Prepare v2012.04-rc1

Signed-off-by: Wolfgang Denk <wd@denx.de>

.checkpatch.conf

@@ -0,0 +1,14 @@
+# Not Linux, so don't expect a Linux tree.
+--no-tree
+
+# Temporary for false positive in checkpatch
+--ignore COMPLEX_MACRO
+
+# For CONFIG_SYS_I2C_NOPROBES
+--ignore MULTISTATEMENT_MACRO_USE_DO_WHILE
+
+# For simple_strtoul
+--ignore CONSIDER_KSTRTO
+
+# For min/max
+--ignore MINMAX

.gitignore

@@ -10,35 +10,48 @@
 *.orig
 *.a
 *.o
+*.su
 *~
 *.swp
 *.patch
+*.bin
 
 #
 # Top-level generic files
 #
 
+/MLO
 /System.map
 /u-boot
 /u-boot.hex
+/u-boot.imx
 /u-boot.map
-/u-boot.bin
 /u-boot.srec
 /u-boot.ldr
 /u-boot.ldr.hex
 /u-boot.ldr.srec
-/u-boot-onenand.bin
-/u-boot-flexonenand.bin
+/u-boot.img
+/u-boot.kwb
+/u-boot.sha1
+/u-boot.dis
+/u-boot.lds
+/u-boot.ubl
+/u-boot.ais
+/u-boot.dtb
+/u-boot.sb
 
 #
 # Generated files
 #
 
-*.depend
+*.depend*
 /LOG
 /errlog
 /reloc_off
 
+/include/generated/
+asm-offsets.s
+
 # stgit generated dirs
 patches-*
 .stgit-edit.txt
@@ -54,6 +67,7 @@ series
 cscope.*
 
 # tags files
+/tags
 /ctags
 /etags
 

COPYING

@@ -1,4 +1,12 @@
-  NOTE! This copyright does *not* cover the so-called "standalone"
+  U-Boot is Free Software.  It is copyrighted by Wolfgang Denk and
+many others who contributed code (see the actual source code for
+details).  You can redistribute U-Boot and/or modify it under the
+terms of version 2 of the GNU General Public License as published by
+the Free Software Foundation.  Most of it can also be distributed,
+at your option, under any later version of the GNU General Public
+License -- see individual files for exceptions.
+
+  NOTE! This license does *not* cover the so-called "standalone"
 applications that use U-Boot services by means of the jump table
 provided by U-Boot exactly for this purpose - this is merely
 considered normal use of U-Boot, and does *not* fall under the

CREDITS

@@ -22,10 +22,6 @@ N: Guillaume Alexandre
 E: guillaume.alexandre@gespac.ch
 D: Add PCIPPC6 configuration
 
-N: Swen Anderson
-E: sand@peppercon.de
-D: ERIC Support
-
 N: Pantelis Antoniou
 E: panto@intracom.gr
 D: NETVIA & NETPHONE board support, ARTOS support.
@@ -86,7 +82,6 @@ D: Port to the gw8260 board
 N: Curt Brune
 E: curt@cucy.com
 D: Added support for Samsung S3C4510B CPU (ARM7tdmi based SoC)
-D: Added support for ESPD-Inc. EVB4510 Board
 W: http://www.cucy.com
 
 N: Jonathan De Bruyne
@@ -138,11 +133,6 @@ N: Dave Ellis
 E: DGE@sixnetio.com
 D: EEPROM Speedup, SXNI855T port
 
-N: Thomas Elste
-E: info@elste.org
-D: Port for the ModNET50 Board, NET+50 CPU Port
-W: http://www.imms.de
-
 N: Daniel Engstr?m
 E: daniel@omicron.se
 D: x86 port, Support for sc520_cdp board
@@ -165,18 +155,13 @@ N: Thomas Frieden
 E: ThomasF@hyperion-entertainment.com
 D: Support for AmigaOne
 
-N: Niklaus Giger
-E: niklaus.giger@netstal.com
-D: Support for HCU(x) boards
-W: www.netstal.com
-
 N: Paul Gortmaker
 E: paul.gortmaker@windriver.com
 D: Support for WRS SBC8347/8349 boards
 
 N: Frank Gottschling
 E: fgottschling@eltec.de
-D: Support for ELTEC MHPC/BAB7xx/ELPPC boards, cfb-console, i8042, SMI LynxEM
+D: Support for ELTEC MHPC/ELPPC boards, cfb-console, i8042, SMI LynxEM
 W: www.eltec.de
 
 N: Marius Groeger
@@ -198,11 +183,7 @@ D: Port to Walnut405 board
 
 N: Andreas Heppel
 E: aheppel@sysgo.de
-D: CPU Support for MPC 75x; board support for Eltec BAB750 [obsolete!]
-
-N: August Hoeraendl
-E: august.hoerandl@gmx.at
-D: Support for the logodl board (PXA2xx)
+D: CPU Support for MPC 75x
 
 N: Josh Huber
 E: huber@alum.wpi.edu
@@ -286,11 +267,6 @@ N: Thomas Lange
 E: thomas@corelatus.se
 D: Support for GTH, GTH2 and dbau1x00 boards; lots of PCMCIA fixes
 
-N: Marc Leeman
-E: marc.leeman@barco.com
-D: Support for Barco Streaming Video Card (SVC) and Sample Compress Network (SCN)
-W: www.barco.com
-
 N: The LEOX team
 E: team@leox.org
 D: Support for LEOX boards, DS164x RTC
@@ -400,7 +376,7 @@ D: Support for the Wind River sbc405, sbc8240 board
 W: http://www.windriver.com
 
 N: Stelian Pop
-E: stelian.pop@leadtechdesign.com
+E: stelian@popies.net
 D: Atmel AT91CAP9ADK support
 
 N: Ricardo Ribalda Delgado
@@ -437,11 +413,11 @@ D: FADS823 configuration, MPC823 video support, I2C, wireless keyboard, lots mor
 
 N: Andre Schwarz
 E: andre.schwarz@matrix-vision.de
-D: Support for Matrix Vision boards (MVBLM7/MVBC_P)
+D: Support for Matrix Vision boards (MVBLM7/MVBC_P/MVSMR)
 
 N: Robert Schwebel
 E: r.schwebel@pengutronix.de
-D: Support for csb226, logodl and innokom boards (PXA2xx)
+D: Support for csb226 and innokom boards (PXA2xx)
 
 N: Aaron Sells
 E: sellsa@embeddedplanet.com
@@ -511,6 +487,11 @@ N: Martin Winistoerfer
 E: martinwinistoerfer@gmx.ch
 D: Port to MPC555/556 microcontrollers and support for cmi board
 
+N: David Wu
+E: support@arcturusnetworks.com
+D: Mercury Security EP2500
+W: http://www.arcturusnetworks.com
+
 N: Ming-Len Wu
 E: minglen_wu@techware.com.tw
 D: Motorola MX1ADS board support

api/Makefile

@@ -22,16 +22,17 @@
 
 include $(TOPDIR)/config.mk
 
-LIB	= $(obj)libapi.a
+LIB	= $(obj)libapi.o
 
-COBJS-$(CONFIG_API) += api.o api_net.o api_storage.o api_platform-$(ARCH).o
+COBJS-$(CONFIG_API) += api.o api_display.o api_net.o api_storage.o \
+		       api_platform-$(ARCH).o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
 
 $(LIB):	$(obj).depend $(OBJS)
-	$(AR) $(ARFLAGS) $@ $(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
 
 # defines $(obj).depend target
 include $(SRCTREE)/rules.mk

api/api.c

@@ -36,9 +36,6 @@
 #define DEBUG
 #undef DEBUG
 
-/* U-Boot routines needed */
-extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-
 /*****************************************************************************
  *
  * This is the API core.
@@ -556,6 +553,50 @@ static int API_env_enum(va_list ap)
 	return 0;
 }
 
+/*
+ * pseudo signature:
+ *
+ * int API_display_get_info(int type, struct display_info *di)
+ */
+static int API_display_get_info(va_list ap)
+{
+	int type;
+	struct display_info *di;
+
+	type = va_arg(ap, int);
+	di = va_arg(ap, struct display_info *);
+
+	return display_get_info(type, di);
+}
+
+/*
+ * pseudo signature:
+ *
+ * int API_display_draw_bitmap(ulong bitmap, int x, int y)
+ */
+static int API_display_draw_bitmap(va_list ap)
+{
+	ulong bitmap;
+	int x, y;
+
+	bitmap = va_arg(ap, ulong);
+	x = va_arg(ap, int);
+	y = va_arg(ap, int);
+
+	return display_draw_bitmap(bitmap, x, y);
+}
+
+/*
+ * pseudo signature:
+ *
+ * void API_display_clear(void)
+ */
+static int API_display_clear(va_list ap)
+{
+	display_clear();
+	return 0;
+}
+
 static cfp_t calls_table[API_MAXCALL] = { NULL, };
 
 /*
@@ -619,6 +660,9 @@ void api_init(void)
 	calls_table[API_ENV_GET] = &API_env_get;
 	calls_table[API_ENV_SET] = &API_env_set;
 	calls_table[API_ENV_ENUM] = &API_env_enum;
+	calls_table[API_DISPLAY_GET_INFO] = &API_display_get_info;
+	calls_table[API_DISPLAY_DRAW_BITMAP] = &API_display_draw_bitmap;
+	calls_table[API_DISPLAY_CLEAR] = &API_display_clear;
 	calls_no = API_MAXCALL;
 
 	debugf("API initialized with %d calls\n", calls_no);

api/api_display.c

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <api_public.h>
+#include <lcd.h>
+#include <video_font.h> /* Get font width and height */
+
+/* lcd.h needs BMP_LOGO_HEIGHT to calculate CONSOLE_ROWS */
+#if defined(CONFIG_LCD_LOGO) && !defined(CONFIG_LCD_INFO_BELOW_LOGO)
+#include <bmp_logo.h>
+#endif
+
+/* TODO(clchiou): add support of video device */
+
+int display_get_info(int type, struct display_info *di)
+{
+	if (!di)
+		return API_EINVAL;
+
+	switch (type) {
+	default:
+		debug("%s: unsupport display device type: %d\n",
+				__FILE__, type);
+		return API_ENODEV;
+#ifdef CONFIG_LCD
+	case DISPLAY_TYPE_LCD:
+		di->pixel_width  = panel_info.vl_col;
+		di->pixel_height = panel_info.vl_row;
+		di->screen_rows = CONSOLE_ROWS;
+		di->screen_cols = CONSOLE_COLS;
+		break;
+#endif
+	}
+
+	di->type = type;
+	return 0;
+}
+
+int display_draw_bitmap(ulong bitmap, int x, int y)
+{
+	if (!bitmap)
+		return API_EINVAL;
+#ifdef CONFIG_LCD
+	return lcd_display_bitmap(bitmap, x, y);
+#else
+	return API_ENODEV;
+#endif
+}
+
+void display_clear(void)
+{
+#ifdef CONFIG_LCD
+	lcd_clear();
+#endif
+}

api/api_net.c

@@ -34,10 +34,6 @@ DECLARE_GLOBAL_DATA_PTR;
 #define DEBUG
 #undef DEBUG
 
-#if !defined(CONFIG_NET_MULTI)
-#error "API/net is currently only available for platforms with CONFIG_NET_MULTI"
-#endif
-
 #ifdef DEBUG
 #define debugf(fmt, args...) do { printf("%s(): ", __func__); printf(fmt, ##args); } while (0)
 #else

api/api_platform-arm.c

@@ -53,5 +53,3 @@ int platform_sys_info(struct sys_info *si)
 
 	return 1;
 }
-
-#endif /* CONFIG_API */

api/api_platform-powerpc.c

@@ -0,0 +1,74 @@
+/*
+ * (C) Copyright 2007 Semihalf
+ *
+ * Written by: Rafal Jaworowski <raj@semihalf.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * This file contains routines that fetch data from PowerPC-dependent sources
+ * (bd_info etc.)
+ *
+ */
+
+#include <config.h>
+#include <linux/types.h>
+#include <api_public.h>
+
+#include <asm/u-boot.h>
+#include <asm/global_data.h>
+
+#include "api_private.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Important notice: handling of individual fields MUST be kept in sync with
+ * include/asm-ppc/u-boot.h and include/asm-ppc/global_data.h, so any changes
+ * need to reflect their current state and layout of structures involved!
+ */
+int platform_sys_info(struct sys_info *si)
+{
+	si->clk_bus = gd->bus_clk;
+	si->clk_cpu = gd->cpu_clk;
+
+#if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) || \
+    defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
+#define bi_bar	bi_immr_base
+#elif defined(CONFIG_MPC5xxx)
+#define bi_bar	bi_mbar_base
+#elif defined(CONFIG_MPC83xx)
+#define bi_bar	bi_immrbar
+#elif defined(CONFIG_MPC8220)
+#define bi_bar	bi_mbar_base
+#endif
+
+#if defined(bi_bar)
+	si->bar = gd->bd->bi_bar;
+#undef bi_bar
+#else
+	si->bar = 0;
+#endif
+
+	platform_set_mr(si, gd->bd->bi_memstart, gd->bd->bi_memsize, MR_ATTR_DRAM);
+	platform_set_mr(si, gd->bd->bi_flashstart, gd->bd->bi_flashsize, MR_ATTR_FLASH);
+	platform_set_mr(si, gd->bd->bi_sramstart, gd->bd->bi_sramsize, MR_ATTR_SRAM);
+
+	return 1;
+}

api/api_platform-ppc.c

@@ -1,74 +0,0 @@
-/*
- * (C) Copyright 2007 Semihalf
- *
- * Written by: Rafal Jaworowski <raj@semihalf.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- *
- * This file contains routines that fetch data from PowerPC-dependent sources
- * (bd_info etc.)
- *
- */
-
-#include <config.h>
-#include <linux/types.h>
-#include <api_public.h>
-
-#include <asm/u-boot.h>
-#include <asm/global_data.h>
-
-#include "api_private.h"
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/*
- * Important notice: handling of individual fields MUST be kept in sync with
- * include/asm-ppc/u-boot.h and include/asm-ppc/global_data.h, so any changes
- * need to reflect their current state and layout of structures involved!
- */
-int platform_sys_info(struct sys_info *si)
-{
-	si->clk_bus = gd->bus_clk;
-	si->clk_cpu = gd->cpu_clk;
-
-#if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) || \
-    defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
-#define bi_bar	bi_immr_base
-#elif defined(CONFIG_MPC5xxx)
-#define bi_bar	bi_mbar_base
-#elif defined(CONFIG_MPC83XX)
-#define bi_bar	bi_immrbar
-#elif defined(CONFIG_MPC8220)
-#define bi_bar	bi_mbar_base
-#endif
-
-#if defined(bi_bar)
-	si->bar = gd->bd->bi_bar;
-#undef bi_bar
-#else
-	si->bar = 0;
-#endif
-
-	platform_set_mr(si, gd->bd->bi_memstart, gd->bd->bi_memsize, MR_ATTR_DRAM);
-	platform_set_mr(si, gd->bd->bi_flashstart, gd->bd->bi_flashsize, MR_ATTR_FLASH);
-	platform_set_mr(si, gd->bd->bi_sramstart, gd->bd->bi_sramsize, MR_ATTR_SRAM);
-
-	return 1;
-}

api/api_private.h

@@ -45,4 +45,8 @@ int		dev_write_net(void *, void *, int);
 
 void dev_stor_init(void);
 
+int display_get_info(int type, struct display_info *di);
+int display_draw_bitmap(ulong bitmap, int x, int y);
+void display_clear(void);
+
 #endif /* _API_PRIVATE_H_ */

api_examples/.gitignore

@@ -1,7 +0,0 @@
-crc32.c
-ctype.c
-demo
-demo.bin
-ppcstring.S
-string.c
-vsprintf.c

api_examples/Makefile

@@ -1,108 +0,0 @@
-#
-# (C) Copyright 2007 Semihalf
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundatio; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-ifeq ($(ARCH),ppc)
-LOAD_ADDR = 0x40000
-endif
-ifeq ($(ARCH),arm)
-LOAD_ADDR = 0x1000000
-endif
-
-include $(TOPDIR)/config.mk
-
-ELF-$(CONFIG_API) += demo
-BIN-$(CONFIG_API) += demo.bin
-ELF	:= $(ELF-y)
-BIN	:= $(BIN-y)
-
-#CFLAGS += -v
-
-COBJS-$(CONFIG_API) += $(ELF:=.o)
-SOBJS-$(CONFIG_API) += crt0.o
-ifeq ($(ARCH),ppc)
-SOBJS-$(CONFIG_API) += ppcstring.o
-endif
-COBJS	:= $(COBJS-y)
-SOBJS	:= $(SOBJS-y)
-
-LIB	= $(obj)libglue.a
-LIBCOBJS-$(CONFIG_API) += glue.o crc32.o ctype.o string.o vsprintf.o \
-				libgenwrap.o
-LIBCOBJS := $(LIBCOBJS-y)
-
-LIBOBJS	= $(addprefix $(obj),$(SOBJS) $(LIBCOBJS))
-
-SRCS	:= $(COBJS:.o=.c) $(LIBCOBJS:.o=.c) $(SOBJS:.o=.S)
-OBJS	:= $(addprefix $(obj),$(COBJS))
-ELF	:= $(addprefix $(obj),$(ELF))
-BIN	:= $(addprefix $(obj),$(BIN))
-
-gcclibdir := $(shell dirname `$(CC) -print-libgcc-file-name`)
-
-CPPFLAGS += -I..
-
-all:	$(obj).depend $(OBJS) $(LIB) $(ELF) $(BIN)
-
-#########################################################################
-$(LIB):	$(obj).depend $(LIBOBJS)
-		$(AR) $(ARFLAGS) $@ $(LIBOBJS)
-
-$(ELF):
-$(obj)%:	$(obj)%.o $(LIB)
-		$(LD) $(obj)crt0.o -Ttext $(LOAD_ADDR) \
-			-o $@ $< $(LIB) \
-			-L$(gcclibdir) -lgcc
-
-$(BIN):
-$(obj)%.bin:	$(obj)%
-		$(OBJCOPY) -O binary $< $@ 2>/dev/null
-
-$(obj)crc32.c:
-	@rm -f $(obj)crc32.c
-	ln -s $(src)../lib_generic/crc32.c $(obj)crc32.c
-
-$(obj)ctype.c:
-	@rm -f $(obj)ctype.c
-	ln -s $(src)../lib_generic/ctype.c $(obj)ctype.c
-
-$(obj)string.c:
-	@rm -f $(obj)string.c
-	ln -s $(src)../lib_generic/string.c $(obj)string.c
-
-$(obj)vsprintf.c:
-	@rm -f $(obj)vsprintf.c
-	ln -s $(src)../lib_generic/vsprintf.c $(obj)vsprintf.c
-
-ifeq ($(ARCH),ppc)
-$(obj)ppcstring.S:
-	@rm -f $(obj)ppcstring.S
-	ln -s $(src)../lib_ppc/ppcstring.S $(obj)ppcstring.S
-endif
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################

api_examples/demo.c

@@ -1,300 +0,0 @@
-/*
- * (C) Copyright 2007-2008 Semihalf
- *
- * Written by: Rafal Jaworowski <raj@semihalf.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- */
-
-#include <common.h>
-#include <linux/types.h>
-#include <api_public.h>
-
-#include "glue.h"
-
-#define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0)
-
-#define BUF_SZ		2048
-#define WAIT_SECS	5
-
-void	test_dump_buf(void *, int);
-void	test_dump_di(int);
-void	test_dump_si(struct sys_info *);
-void	test_dump_sig(struct api_signature *);
-
-static char buf[BUF_SZ];
-
-int main(int argc, char *argv[])
-{
-	int rv = 0, h, i, j, devs_no;
-	struct api_signature *sig = NULL;
-	ulong start, now;
-	struct device_info *di;
-	lbasize_t rlen;
-
-	if (!api_search_sig(&sig))
-		return -1;
-
-	syscall_ptr = sig->syscall;
-	if (syscall_ptr == NULL)
-		return -2;
-
-	if (sig->version > API_SIG_VERSION)
-		return -3;
-
-	printf("API signature found @%x\n", (unsigned int)sig);
-	test_dump_sig(sig);
-
-	printf("\n*** Consumer API test ***\n");
-	printf("syscall ptr 0x%08x@%08x\n", (unsigned int)syscall_ptr,
-		(unsigned int)&syscall_ptr);
-
-	/* console activities */
-	ub_putc('B');
-
-	printf("*** Press any key to continue ***\n");
-	printf("got char 0x%x\n", ub_getc());
-
-	/* system info */
-	test_dump_si(ub_get_sys_info());
-
-	/* timing */
-	printf("\n*** Timing - wait a couple of secs ***\n");
-	start = ub_get_timer(0);
-	printf("\ntime: start %lu\n\n", start);
-	for (i = 0; i < WAIT_SECS; i++)
-		for (j = 0; j < 1000; j++)
-			ub_udelay(1000);	/* wait 1 ms */
-
-	/* this is the number of milliseconds that passed from ub_get_timer(0) */
-	now = ub_get_timer(start);
-	printf("\ntime: now %lu\n\n", now);
-
-	/* enumerate devices */
-	printf("\n*** Enumerate devices ***\n");
-	devs_no = ub_dev_enum();
-
-	printf("Number of devices found: %d\n", devs_no);
-	if (devs_no == 0)
-		return -1;
-
-	printf("\n*** Show devices ***\n");
-	for (i = 0; i < devs_no; i++) {
-		test_dump_di(i);
-		printf("\n");
-	}
-
-	printf("\n*** Operations on devices ***\n");
-
-	/* test opening a device already opened */
-	h = 0;
-	if ((rv = ub_dev_open(h)) != 0) {
-		errf("open device %d error %d\n", h, rv);
-		return -1;
-	}
-	if ((rv = ub_dev_open(h)) != 0)
-		errf("open device %d error %d\n", h, rv);
-
-	ub_dev_close(h);
-
-	/* test storage */
-	printf("Trying storage devices...\n");
-	for (i = 0; i < devs_no; i++) {
-		di = ub_dev_get(i);
-
-		if (di->type & DEV_TYP_STOR)
-			break;
-
-	}
-	if (i == devs_no)
-		printf("No storage devices available\n");
-	else {
-		memset(buf, 0, BUF_SZ);
-
-		if ((rv = ub_dev_open(i)) != 0)
-			errf("open device %d error %d\n", i, rv);
-
-		else if ((rv = ub_dev_read(i, buf, 1, 0, &rlen)) != 0)
-			errf("could not read from device %d, error %d\n", i, rv);
-		else {
-			printf("Sector 0 dump (512B):\n");
-			test_dump_buf(buf, 512);
-		}
-
-		ub_dev_close(i);
-	}
-
-	/* test networking */
-	printf("Trying network devices...\n");
-	for (i = 0; i < devs_no; i++) {
-		di = ub_dev_get(i);
-
-		if (di->type == DEV_TYP_NET)
-			break;
-
-	}
-	if (i == devs_no)
-		printf("No network devices available\n");
-	else {
-		if ((rv = ub_dev_open(i)) != 0)
-			errf("open device %d error %d\n", i, rv);
-		else if ((rv = ub_dev_send(i, &buf, 2048)) != 0)
-			errf("could not send to device %d, error %d\n", i, rv);
-
-		ub_dev_close(i);
-	}
-
-	if (ub_dev_close(h) != 0)
-		errf("could not close device %d\n", h);
-
-	printf("\n*** Env vars ***\n");
-
-	printf("ethact = %s\n", ub_env_get("ethact"));
-	printf("old fileaddr = %s\n", ub_env_get("fileaddr"));
-	ub_env_set("fileaddr", "deadbeef");
-	printf("new fileaddr = %s\n", ub_env_get("fileaddr"));
-
-	const char *env = NULL;
-
-	while ((env = ub_env_enum(env)) != NULL)
-		printf("%s = %s\n", env, ub_env_get(env));
-
-	/* reset */
-	printf("\n*** Resetting board ***\n");
-	ub_reset();
-	printf("\nHmm, reset returned...?!\n");
-
-	return rv;
-}
-
-void test_dump_sig(struct api_signature *sig)
-{
-	printf("signature:\n");
-	printf("  version\t= %d\n", sig->version);
-	printf("  checksum\t= 0x%08x\n", sig->checksum);
-	printf("  sc entry\t= 0x%08x\n", (unsigned int)sig->syscall);
-}
-
-void test_dump_si(struct sys_info *si)
-{
-	int i;
-
-	printf("sys info:\n");
-	printf("  clkbus\t= 0x%08x\n", (unsigned int)si->clk_bus);
-	printf("  clkcpu\t= 0x%08x\n", (unsigned int)si->clk_cpu);
-	printf("  bar\t\t= 0x%08x\n", (unsigned int)si->bar);
-
-	printf("---\n");
-	for (i = 0; i < si->mr_no; i++) {
-		if (si->mr[i].flags == 0)
-			break;
-
-		printf("  start\t= 0x%08lx\n", si->mr[i].start);
-		printf("  size\t= 0x%08lx\n", si->mr[i].size);
-
-		switch(si->mr[i].flags & 0x000F) {
-			case MR_ATTR_FLASH:
-				printf("  type FLASH\n");
-				break;
-			case MR_ATTR_DRAM:
-				printf("  type DRAM\n");
-				break;
-			case MR_ATTR_SRAM:
-				printf("  type SRAM\n");
-				break;
-			default:
-				printf("  type UNKNOWN\n");
-		}
-		printf("---\n");
-	}
-}
-
-static char *test_stor_typ(int type)
-{
-	if (type & DT_STOR_IDE)
-		return "IDE";
-
-	if (type & DT_STOR_MMC)
-		return "MMC";
-
-	if (type & DT_STOR_SATA)
-		return "SATA";
-
-	if (type & DT_STOR_SCSI)
-		return "SCSI";
-
-	if (type & DT_STOR_USB)
-		return "USB";
-
-	return "Unknown";
-}
-
-void test_dump_buf(void *buf, int len)
-{
-	int i;
-	int line_counter = 0;
-	int sep_flag = 0;
-	int addr = 0;
-
-	printf("%07x:\t", addr);
-
-	for (i = 0; i < len; i++) {
-		if (line_counter++ > 15) {
-			line_counter = 0;
-			sep_flag = 0;
-			addr += 16;
-			i--;
-			printf("\n%07x:\t", addr);
-			continue;
-		}
-
-		if (sep_flag++ > 1) {
-			sep_flag = 1;
-			printf(" ");
-		}
-
-		printf("%02x", *((char *)buf++));
-	}
-
-	printf("\n");
-}
-
-void test_dump_di(int handle)
-{
-	int i;
-	struct device_info *di = ub_dev_get(handle);
-
-	printf("device info (%d):\n", handle);
-	printf("  cookie\t= 0x%08x\n", (uint32_t)di->cookie);
-	printf("  type\t\t= 0x%08x\n", di->type);
-
-	if (di->type == DEV_TYP_NET) {
-		printf("  hwaddr\t= ");
-		for (i = 0; i < 6; i++)
-			printf("%02x ", di->di_net.hwaddr[i]);
-
-		printf("\n");
-
-	} else if (di->type & DEV_TYP_STOR) {
-		printf("  type\t\t= %s\n", test_stor_typ(di->type));
-		printf("  blk size\t\t= %d\n", (unsigned int)di->di_stor.block_size);
-		printf("  blk count\t\t= %d\n", (unsigned int)di->di_stor.block_count);
-	}
-}

api_examples/glue.c

@@ -1,404 +0,0 @@
-/*
- * (C) Copyright 2007-2008 Semihalf, Rafal Jaworowski <raj@semihalf.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- */
-
-#include <common.h>
-#include <linux/types.h>
-#include <api_public.h>
-
-#include "glue.h"
-
-static int valid_sig(struct api_signature *sig)
-{
-	uint32_t checksum;
-	struct api_signature s;
-
-	if (sig == NULL)
-		return 0;
-	/*
-	 * Clear the checksum field (in the local copy) so as to calculate the
-	 * CRC with the same initial contents as at the time when the sig was
-	 * produced
-	 */
-	s = *sig;
-	s.checksum = 0;
-
-	checksum = crc32(0, (unsigned char *)&s, sizeof(struct api_signature));
-
-	if (checksum != sig->checksum)
-		return 0;
-
-	return 1;
-}
-
-/*
- * Searches for the U-Boot API signature
- *
- * returns 1/0 depending on found/not found result
- */
-int api_search_sig(struct api_signature **sig)
-{
-	unsigned char *sp;
-	uint32_t search_start = 0;
-	uint32_t search_end = 0;
-
-	if (sig == NULL)
-		return 0;
-
-	if (search_hint == 0)
-		search_hint = 255 * 1024 * 1024;
-
-	search_start = search_hint & ~0x000fffff;
-	search_end = search_start + API_SEARCH_LEN - API_SIG_MAGLEN;
-
-	sp = (unsigned char *)search_start;
-	while ((sp + API_SIG_MAGLEN) < (unsigned char *)search_end) {
-		if (!memcmp(sp, API_SIG_MAGIC, API_SIG_MAGLEN)) {
-			*sig = (struct api_signature *)sp;
-			if (valid_sig(*sig))
-				return 1;
-		}
-		sp += API_SIG_MAGLEN;
-	}
-
-	*sig = NULL;
-	return 0;
-}
-
-/****************************************
- *
- * console
- *
- ****************************************/
-
-int ub_getc(void)
-{
-	int c;
-
-	if (!syscall(API_GETC, NULL, (uint32_t)&c))
-		return -1;
-
-	return c;
-}
-
-int ub_tstc(void)
-{
-	int t;
-
-	if (!syscall(API_TSTC, NULL, (uint32_t)&t))
-		return -1;
-
-	return t;
-}
-
-void ub_putc(char c)
-{
-	syscall(API_PUTC, NULL, (uint32_t)&c);
-}
-
-void ub_puts(const char *s)
-{
-	syscall(API_PUTS, NULL, (uint32_t)s);
-}
-
-/****************************************
- *
- * system
- *
- ****************************************/
-
-void ub_reset(void)
-{
-	syscall(API_RESET, NULL);
-}
-
-static struct mem_region mr[UB_MAX_MR];
-static struct sys_info si;
-
-struct sys_info * ub_get_sys_info(void)
-{
-	int err = 0;
-
-	memset(&si, 0, sizeof(struct sys_info));
-	si.mr = mr;
-	si.mr_no = UB_MAX_MR;
-	memset(&mr, 0, sizeof(mr));
-
-	if (!syscall(API_GET_SYS_INFO, &err, (u_int32_t)&si))
-		return NULL;
-
-	return ((err) ? NULL : &si);
-}
-
-/****************************************
- *
- * timing
- *
- ****************************************/
-
-void ub_udelay(unsigned long usec)
-{
-	syscall(API_UDELAY, NULL, &usec);
-}
-
-unsigned long ub_get_timer(unsigned long base)
-{
-	unsigned long cur;
-
-	if (!syscall(API_GET_TIMER, NULL, &cur, &base))
-		return 0;
-
-	return cur;
-}
-
-
-/****************************************************************************
- *
- * devices
- *
- * Devices are identified by handles: numbers 0, 1, 2, ..., UB_MAX_DEV-1
- *
- ***************************************************************************/
-
-static struct device_info devices[UB_MAX_DEV];
-
-struct device_info * ub_dev_get(int i)
-{
-	return ((i < 0 || i >= UB_MAX_DEV) ? NULL : &devices[i]);
-}
-
-/*
- * Enumerates the devices: fills out device_info elements in the devices[]
- * array.
- *
- * returns:		number of devices found
- */
-int ub_dev_enum(void)
-{
-	struct device_info *di;
-	int n = 0;
-
-	memset(&devices, 0, sizeof(struct device_info) * UB_MAX_DEV);
-	di = &devices[0];
-
-	if (!syscall(API_DEV_ENUM, NULL, di))
-		return 0;
-
-	while (di->cookie != NULL) {
-
-		if (++n >= UB_MAX_DEV)
-			break;
-
-		/* take another device_info */
-		di++;
-
-		/* pass on the previous cookie */
-		di->cookie = devices[n - 1].cookie;
-
-		if (!syscall(API_DEV_ENUM, NULL, di))
-			return 0;
-	}
-
-	return n;
-}
-
-/*
- * handle:	0-based id of the device
- *
- * returns:	0 when OK, err otherwise
- */
-int ub_dev_open(int handle)
-{
-	struct device_info *di;
-	int err = 0;
-
-	if (handle < 0 || handle >= UB_MAX_DEV)
-		return API_EINVAL;
-
-	di = &devices[handle];
-
-	if (!syscall(API_DEV_OPEN, &err, di))
-		return -1;
-
-	return err;
-}
-
-int ub_dev_close(int handle)
-{
-	struct device_info *di;
-
-	if (handle < 0 || handle >= UB_MAX_DEV)
-		return API_EINVAL;
-
-	di = &devices[handle];
-	if (!syscall(API_DEV_CLOSE, NULL, di))
-		return -1;
-
-	return 0;
-}
-
-/*
- *
- * Validates device for read/write, it has to:
- *
- * - have sane handle
- * - be opened
- *
- * returns:	0/1 accordingly
- */
-static int dev_valid(int handle)
-{
-	if (handle < 0 || handle >= UB_MAX_DEV)
-		return 0;
-
-	if (devices[handle].state != DEV_STA_OPEN)
-		return 0;
-
-	return 1;
-}
-
-static int dev_stor_valid(int handle)
-{
-	if (!dev_valid(handle))
-		return 0;
-
-	if (!(devices[handle].type & DEV_TYP_STOR))
-		return 0;
-
-	return 1;
-}
-
-int ub_dev_read(int handle, void *buf, lbasize_t len, lbastart_t start,
-		lbasize_t *rlen)
-{
-	struct device_info *di;
-	lbasize_t act_len;
-	int err = 0;
-
-	if (!dev_stor_valid(handle))
-		return API_ENODEV;
-
-	di = &devices[handle];
-	if (!syscall(API_DEV_READ, &err, di, buf, &len, &start, &act_len))
-		return API_ESYSC;
-
-	if (!err && rlen)
-		*rlen = act_len;
-
-	return err;
-}
-
-static int dev_net_valid(int handle)
-{
-	if (!dev_valid(handle))
-		return 0;
-
-	if (devices[handle].type != DEV_TYP_NET)
-		return 0;
-
-	return 1;
-}
-
-int ub_dev_recv(int handle, void *buf, int len, int *rlen)
-{
-	struct device_info *di;
-	int err = 0, act_len;
-
-	if (!dev_net_valid(handle))
-		return API_ENODEV;
-
-	di = &devices[handle];
-	if (!syscall(API_DEV_READ, &err, di, buf, &len, &act_len))
-		return API_ESYSC;
-
-	if (!err && rlen)
-		*rlen = act_len;
-
-	 return (err);
-}
-
-int ub_dev_send(int handle, void *buf, int len)
-{
-	struct device_info *di;
-	int err = 0;
-
-	if (!dev_net_valid(handle))
-		return API_ENODEV;
-
-	di = &devices[handle];
-	if (!syscall(API_DEV_WRITE, &err, di, buf, &len))
-		return API_ESYSC;
-
-	return err;
-}
-
-/****************************************
- *
- * env vars
- *
- ****************************************/
-
-char * ub_env_get(const char *name)
-{
-	char *value;
-
-	if (!syscall(API_ENV_GET, NULL, (uint32_t)name, (uint32_t)&value))
-		return NULL;
-
-	return value;
-}
-
-void ub_env_set(const char *name, char *value)
-{
-	syscall(API_ENV_SET, NULL, (uint32_t)name, (uint32_t)value);
-}
-
-static char env_name[256];
-
-const char * ub_env_enum(const char *last)
-{
-	const char *env, *str;
-	int i;
-
-	env = NULL;
-
-	/*
-	 * It's OK to pass only the name piece as last (and not the whole
-	 * 'name=val' string), since the API_ENUM_ENV call uses envmatch()
-	 * internally, which handles such case
-	 */
-	if (!syscall(API_ENV_ENUM, NULL, (uint32_t)last, (uint32_t)&env))
-		return NULL;
-
-	if (!env)
-		/* no more env. variables to enumerate */
-		return NULL;
-
-	/* next enumerated env var */
-	memset(env_name, 0, 256);
-	for (i = 0, str = env; *str != '=' && *str != '\0';)
-		env_name[i++] = *str++;
-
-	env_name[i] = '\0';
-
-	return env_name;
-}

api_examples/glue.h

@@ -1,80 +0,0 @@
-/*
- * (C) Copyright 2007 Semihalf
- *
- * Written by: Rafal Jaworowski <raj@semihalf.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- */
-
-/*
- * This is the header file for conveniency wrapper routines (API glue)
- */
-
-#ifndef _API_GLUE_H_
-#define _API_GLUE_H_
-
-#define API_SEARCH_LEN		(3 * 1024 * 1024)	/* 3MB search range */
-
-#define UB_MAX_MR	5	/* max mem regions number */
-#define UB_MAX_DEV	6	/* max devices number */
-
-extern void *syscall_ptr;
-extern uint32_t search_hint;
-
-int	syscall(int, int *, ...);
-int	api_search_sig(struct api_signature **sig);
-
-/*
- * The ub_ library calls are part of the application, not U-Boot code!  They
- * are front-end wrappers that are used by the consumer application: they
- * prepare arguments for particular syscall and jump to the low level
- * syscall()
- */
-
-/* console */
-int	ub_getc(void);
-int	ub_tstc(void);
-void	ub_putc(char c);
-void	ub_puts(const char *s);
-
-/* system */
-void			ub_reset(void);
-struct sys_info *	ub_get_sys_info(void);
-
-/* time */
-void		ub_udelay(unsigned long);
-unsigned long	ub_get_timer(unsigned long);
-
-/* env vars */
-char *		ub_env_get(const char *name);
-void		ub_env_set(const char *name, char *value);
-const char *	ub_env_enum(const char *last);
-
-/* devices */
-int			ub_dev_enum(void);
-int			ub_dev_open(int handle);
-int			ub_dev_close(int handle);
-int			ub_dev_read(int handle, void *buf, lbasize_t len,
-				lbastart_t start, lbasize_t *rlen);
-int			ub_dev_send(int handle, void *buf, int len);
-int			ub_dev_recv(int handle, void *buf, int len, int *rlen);
-struct device_info *	ub_dev_get(int);
-
-#endif /* _API_GLUE_H_ */

api_examples/libgenwrap.c

@@ -1,95 +0,0 @@
-/*
- * (C) Copyright 2007 Semihalf
- *
- * Written by: Rafal Jaworowski <raj@semihalf.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- *
- * This is is a set of wrappers/stubs that allow to use certain routines from
- * U-Boot's lib_generic in the standalone app. This way way we can re-use
- * existing code e.g. operations on strings and similar.
- *
- */
-
-#include <common.h>
-#include <linux/types.h>
-#include <api_public.h>
-
-#include "glue.h"
-
-/*
- * printf() and vprintf() are stolen from u-boot/common/console.c
- */
-void printf (const char *fmt, ...)
-{
-	va_list args;
-	uint i;
-	char printbuffer[256];
-
-	va_start (args, fmt);
-
-	/* For this to work, printbuffer must be larger than
-	 * anything we ever want to print.
-	 */
-	i = vsprintf (printbuffer, fmt, args);
-	va_end (args);
-
-	/* Print the string */
-	ub_puts (printbuffer);
-}
-
-void vprintf (const char *fmt, va_list args)
-{
-	uint i;
-	char printbuffer[256];
-
-	/* For this to work, printbuffer must be larger than
-	 * anything we ever want to print.
-	 */
-	i = vsprintf (printbuffer, fmt, args);
-
-	/* Print the string */
-	ub_puts (printbuffer);
-}
-
-void putc (const char c)
-{
-	ub_putc(c);
-}
-
-void udelay(unsigned long usec)
-{
-	ub_udelay(usec);
-}
-
-void do_reset (void)
-{
-	ub_reset();
-}
-
-void *malloc (size_t len)
-{
-	return NULL;
-}
-
-void hang (void)
-{
-	while (1) ;
-}

arch/.gitignore

@@ -0,0 +1,2 @@
+/*/include/asm/arch
+/*/include/asm/proc

arch/arm/config.mk

@@ -0,0 +1,76 @@
+#
+# (C) Copyright 2000-2002
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+CROSS_COMPILE ?= arm-linux-
+
+ifndef CONFIG_STANDALONE_LOAD_ADDR
+ifeq ($(SOC),omap3)
+CONFIG_STANDALONE_LOAD_ADDR = 0x80300000
+else
+CONFIG_STANDALONE_LOAD_ADDR = 0xc100000
+endif
+endif
+
+PLATFORM_CPPFLAGS += -DCONFIG_ARM -D__ARM__
+
+# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
+PF_CPPFLAGS_ARM := $(call cc-option,-marm,)
+
+# Try if EABI is supported, else fall back to old API,
+# i. e. for example:
+# - with ELDK 4.2 (EABI supported), use:
+#	-mabi=aapcs-linux -mno-thumb-interwork
+# - with ELDK 4.1 (gcc 4.x, no EABI), use:
+#	-mabi=apcs-gnu -mno-thumb-interwork
+# - with ELDK 3.1 (gcc 3.x), use:
+#	-mapcs-32 -mno-thumb-interwork
+PF_CPPFLAGS_ABI := $(call cc-option,\
+			-mabi=aapcs-linux -mno-thumb-interwork,\
+			$(call cc-option,\
+				-mapcs-32,\
+				$(call cc-option,\
+					-mabi=apcs-gnu,\
+				)\
+			) $(call cc-option,-mno-thumb-interwork,)\
+		)
+PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_ARM) $(PF_CPPFLAGS_ABI)
+
+# For EABI, make sure to provide raise()
+ifneq (,$(findstring -mabi=aapcs-linux,$(PLATFORM_CPPFLAGS)))
+# This file is parsed many times, so the string may get added multiple
+# times. Also, the prefix needs to be different based on whether
+# CONFIG_SPL_BUILD is defined or not. 'filter-out' the existing entry
+# before adding the correct one.
+ifdef CONFIG_SPL_BUILD
+PLATFORM_LIBS := $(SPLTREE)/arch/arm/lib/eabi_compat.o \
+	$(filter-out %/arch/arm/lib/eabi_compat.o, $(PLATFORM_LIBS))
+else
+PLATFORM_LIBS := $(OBJTREE)/arch/arm/lib/eabi_compat.o \
+	$(filter-out %/arch/arm/lib/eabi_compat.o, $(PLATFORM_LIBS))
+endif
+endif
+
+# needed for relocation
+ifndef CONFIG_NAND_SPL
+LDFLAGS_u-boot += -pie
+endif

arch/arm/cpu/arm1136/Makefile

@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(CPU).o
+
+START	= start.o
+COBJS	= cpu.o
+
+SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+START	:= $(addprefix $(obj),$(START))
+
+all:	$(obj).depend $(START) $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

arch/arm/cpu/arm1136/config.mk

@@ -0,0 +1,33 @@
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
+
+# Make ARMv5 to allow more compilers to work, even though its v6.
+PLATFORM_CPPFLAGS += -march=armv5
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# =========================================================================
+PF_RELFLAGS_SLB_AT := $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
+PLATFORM_RELFLAGS += $(PF_RELFLAGS_SLB_AT)

arch/arm/cpu/arm1136/cpu.c

@@ -0,0 +1,77 @@
+/*
+ * (C) Copyright 2004 Texas Insturments
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * CPU specific code
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/system.h>
+
+static void cache_flush(void);
+
+int cleanup_before_linux (void)
+{
+	/*
+	 * this function is called just before we call linux
+	 * it prepares the processor for linux
+	 *
+	 * we turn off caches etc ...
+	 */
+
+	disable_interrupts ();
+
+#ifdef CONFIG_LCD
+	{
+		extern void lcd_disable(void);
+		extern void lcd_panel_disable(void);
+
+		lcd_disable(); /* proper disable of lcd & panel */
+		lcd_panel_disable();
+	}
+#endif
+
+	/* turn off I/D-cache */
+	icache_disable();
+	dcache_disable();
+	/* flush I/D-cache */
+	cache_flush();
+
+	return 0;
+}
+
+static void cache_flush(void)
+{
+	unsigned long i = 0;
+
+	asm ("mcr p15, 0, %0, c7, c10, 0": :"r" (i)); /* clean entire data cache */
+	asm ("mcr p15, 0, %0, c7, c7, 0": :"r" (i));  /* invalidate both caches and flush btb */
+	asm ("mcr p15, 0, %0, c7, c10, 4": :"r" (i)); /* mem barrier to sync things */
+}

arch/arm/cpu/arm1136/mx31/Makefile

@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).o
+
+COBJS	+= generic.o
+COBJS	+= timer.o
+COBJS	+= devices.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all:	$(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

arch/arm/cpu/arm1136/mx31/devices.c

@@ -0,0 +1,67 @@
+/*
+ *
+ * (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.com>
+ *
+ * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+
+void mx31_uart1_hw_init(void)
+{
+	/* setup pins for UART1 */
+	mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX);
+	mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX);
+	mx31_gpio_mux(MUX_RTS1__UART1_RTS_B);
+	mx31_gpio_mux(MUX_CTS1__UART1_CTS_B);
+}
+
+void mx31_uart2_hw_init(void)
+{
+	/* setup pins for UART2 */
+	mx31_gpio_mux(MUX_RXD2__UART2_RXD_MUX);
+	mx31_gpio_mux(MUX_TXD2__UART2_TXD_MUX);
+	mx31_gpio_mux(MUX_RTS2__UART2_RTS_B);
+	mx31_gpio_mux(MUX_CTS2__UART2_CTS_B);
+}
+
+#ifdef CONFIG_MXC_SPI
+/*
+ * Note: putting several spi setups here makes no sense as they may differ
+ * at board level (physical pin SS0 of CSPI2 may aswell be used as SS0 of CSPI3)
+ */
+void mx31_spi2_hw_init(void)
+{
+	/* SPI2 */
+	mx31_gpio_mux(MUX_CSPI2_SS2__CSPI2_SS2_B);
+	mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK);
+	mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B);
+	mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI);
+	mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO);
+	mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B);
+	mx31_gpio_mux(MUX_CSPI2_SS1__CSPI2_SS1_B);
+
+	/* start SPI2 clock */
+	__REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4);
+}
+#endif

arch/arm/cpu/arm1136/mx31/generic.c

@@ -0,0 +1,232 @@
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+
+static u32 mx31_decode_pll(u32 reg, u32 infreq)
+{
+	u32 mfi = GET_PLL_MFI(reg);
+	u32 mfn = GET_PLL_MFN(reg);
+	u32 mfd = GET_PLL_MFD(reg);
+	u32 pd =  GET_PLL_PD(reg);
+
+	mfi = mfi <= 5 ? 5 : mfi;
+	mfd += 1;
+	pd += 1;
+
+	return ((2 * (infreq >> 10) * (mfi * mfd + mfn)) /
+		(mfd * pd)) << 10;
+}
+
+static u32 mx31_get_mpl_dpdgck_clk(void)
+{
+	u32 infreq;
+
+	if ((readl(CCM_CCMR) & CCMR_PRCS_MASK) == CCMR_FPM)
+		infreq = CONFIG_MX31_CLK32 * 1024;
+	else
+		infreq = CONFIG_MX31_HCLK_FREQ;
+
+	return mx31_decode_pll(readl(CCM_MPCTL), infreq);
+}
+
+static u32 mx31_get_mcu_main_clk(void)
+{
+	/* For now we assume mpl_dpdgck_clk == mcu_main_clk
+	 * which should be correct for most boards
+	 */
+	return mx31_get_mpl_dpdgck_clk();
+}
+
+static u32 mx31_get_ipg_clk(void)
+{
+	u32 freq = mx31_get_mcu_main_clk();
+	u32 pdr0 = readl(CCM_PDR0);
+
+	freq /= GET_PDR0_MAX_PODF(pdr0) + 1;
+	freq /= GET_PDR0_IPG_PODF(pdr0) + 1;
+
+	return freq;
+}
+
+/* hsp is the clock for the ipu */
+static u32 mx31_get_hsp_clk(void)
+{
+	u32 freq = mx31_get_mcu_main_clk();
+	u32 pdr0 = readl(CCM_PDR0);
+
+	freq /= GET_PDR0_HSP_PODF(pdr0) + 1;
+
+	return freq;
+}
+
+void mx31_dump_clocks(void)
+{
+	u32 cpufreq = mx31_get_mcu_main_clk();
+	printf("mx31 cpu clock: %dMHz\n", cpufreq / 1000000);
+	printf("ipg clock     : %dHz\n", mx31_get_ipg_clk());
+	printf("hsp clock     : %dHz\n", mx31_get_hsp_clk());
+}
+
+unsigned int mxc_get_clock(enum mxc_clock clk)
+{
+	switch (clk) {
+	case MXC_ARM_CLK:
+		return mx31_get_mcu_main_clk();
+	case MXC_IPG_CLK:
+	case MXC_IPG_PERCLK:
+	case MXC_CSPI_CLK:
+	case MXC_UART_CLK:
+	case MXC_ESDHC_CLK:
+		return mx31_get_ipg_clk();
+	case MXC_IPU_CLK:
+		return mx31_get_hsp_clk();
+	}
+	return -1;
+}
+
+u32 imx_get_uartclk(void)
+{
+	return mxc_get_clock(MXC_UART_CLK);
+}
+
+void mx31_gpio_mux(unsigned long mode)
+{
+	unsigned long reg, shift, tmp;
+
+	reg = IOMUXC_BASE + (mode & 0x1fc);
+	shift = (~mode & 0x3) * 8;
+
+	tmp = readl(reg);
+	tmp &= ~(0xff << shift);
+	tmp |= ((mode >> IOMUX_MODE_POS) & 0xff) << shift;
+	writel(tmp, reg);
+}
+
+void mx31_set_pad(enum iomux_pins pin, u32 config)
+{
+	u32 field, l, reg;
+
+	pin &= IOMUX_PADNUM_MASK;
+	reg = (IOMUXC_BASE + 0x154) + (pin + 2) / 3 * 4;
+	field = (pin + 2) % 3;
+
+	l = readl(reg);
+	l &= ~(0x1ff << (field * 10));
+	l |= config << (field * 10);
+	writel(l, reg);
+
+}
+
+void mx31_set_gpr(enum iomux_gp_func gp, char en)
+{
+	u32 l;
+	struct iomuxc_regs *iomuxc = (struct iomuxc_regs *)IOMUXC_BASE;
+
+	l = readl(&iomuxc->gpr);
+	if (en)
+		l |= gp;
+	else
+		l &= ~gp;
+
+	writel(l, &iomuxc->gpr);
+}
+
+void mxc_setup_weimcs(int cs, const struct mxc_weimcs *weimcs)
+{
+	struct mx31_weim *weim = (struct mx31_weim *) WEIM_BASE;
+	struct mx31_weim_cscr *cscr = &weim->cscr[cs];
+
+	writel(weimcs->upper, &cscr->upper);
+	writel(weimcs->lower, &cscr->lower);
+	writel(weimcs->additional, &cscr->additional);
+}
+
+struct mx3_cpu_type mx31_cpu_type[] = {
+	{ .srev = 0x00, .v = 0x10 },
+	{ .srev = 0x10, .v = 0x11 },
+	{ .srev = 0x11, .v = 0x11 },
+	{ .srev = 0x12, .v = 0x1F },
+	{ .srev = 0x13, .v = 0x1F },
+	{ .srev = 0x14, .v = 0x12 },
+	{ .srev = 0x15, .v = 0x12 },
+	{ .srev = 0x28, .v = 0x20 },
+	{ .srev = 0x29, .v = 0x20 },
+};
+
+u32 get_cpu_rev(void)
+{
+	u32 i, srev;
+
+	/* read SREV register from IIM module */
+	struct iim_regs *iim = (struct iim_regs *)MX31_IIM_BASE_ADDR;
+	srev = readl(&iim->iim_srev);
+
+	for (i = 0; i < ARRAY_SIZE(mx31_cpu_type); i++)
+		if (srev == mx31_cpu_type[i].srev)
+			return mx31_cpu_type[i].v;
+
+	return srev | 0x8000;
+}
+
+static char *get_reset_cause(void)
+{
+	/* read RCSR register from CCM module */
+	struct clock_control_regs *ccm =
+		(struct clock_control_regs *)CCM_BASE;
+
+	u32 cause = readl(&ccm->rcsr) & 0x07;
+
+	switch (cause) {
+	case 0x0000:
+		return "POR";
+	case 0x0001:
+		return "RST";
+	case 0x0002:
+		return "WDOG";
+	case 0x0006:
+		return "JTAG";
+	case 0x0007:
+		return "ARM11P power gating";
+	default:
+		return "unknown reset";
+	}
+}
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
+{
+	u32 srev = get_cpu_rev();
+
+	printf("CPU:   Freescale i.MX31 rev %d.%d%s at %d MHz.\n",
+			(srev & 0xF0) >> 4, (srev & 0x0F),
+			((srev & 0x8000) ? " unknown" : ""),
+			mx31_get_mcu_main_clk() / 1000000);
+	printf("Reset cause: %s\n", get_reset_cause());
+	return 0;
+}
+#endif

arch/arm/cpu/arm1136/mx31/timer.c

@@ -0,0 +1,202 @@
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+#include <div64.h>
+#include <watchdog.h>
+#include <asm/io.h>
+
+#define TIMER_BASE 0x53f90000 /* General purpose timer 1 */
+
+/* General purpose timers registers */
+#define GPTCR	__REG(TIMER_BASE)		/* Control register	*/
+#define GPTPR	__REG(TIMER_BASE + 0x4)		/* Prescaler register	*/
+#define GPTSR	__REG(TIMER_BASE + 0x8)		/* Status register	*/
+#define GPTCNT	__REG(TIMER_BASE + 0x24)	/* Counter register	*/
+
+/* General purpose timers bitfields */
+#define GPTCR_SWR		(1 << 15)	/* Software reset	*/
+#define GPTCR_FRR		(1 << 9)	/* Freerun / restart	*/
+#define GPTCR_CLKSOURCE_32	(4 << 6)	/* Clock source		*/
+#define GPTCR_TEN		1		/* Timer enable		*/
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * "time" is measured in 1 / CONFIG_SYS_HZ seconds,
+ * "tick" is internal timer period
+ */
+
+#ifdef CONFIG_MX31_TIMER_HIGH_PRECISION
+/* ~0.4% error - measured with stop-watch on 100s boot-delay */
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+	tick *= CONFIG_SYS_HZ;
+	do_div(tick, CONFIG_MX31_CLK32);
+	return tick;
+}
+
+static inline unsigned long long time_to_tick(unsigned long long time)
+{
+	time *= CONFIG_MX31_CLK32;
+	do_div(time, CONFIG_SYS_HZ);
+	return time;
+}
+
+static inline unsigned long long us_to_tick(unsigned long long us)
+{
+	us = us * CONFIG_MX31_CLK32 + 999999;
+	do_div(us, 1000000);
+	return us;
+}
+#else
+/* ~2% error */
+#define TICK_PER_TIME	((CONFIG_MX31_CLK32 + CONFIG_SYS_HZ / 2) \
+							/ CONFIG_SYS_HZ)
+#define US_PER_TICK	(1000000 / CONFIG_MX31_CLK32)
+
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+	do_div(tick, TICK_PER_TIME);
+	return tick;
+}
+
+static inline unsigned long long time_to_tick(unsigned long long time)
+{
+	return time * TICK_PER_TIME;
+}
+
+static inline unsigned long long us_to_tick(unsigned long long us)
+{
+	us += US_PER_TICK - 1;
+	do_div(us, US_PER_TICK);
+	return us;
+}
+#endif
+
+/* The 32768Hz 32-bit timer overruns in 131072 seconds */
+int timer_init(void)
+{
+	int i;
+
+	/* setup GP Timer 1 */
+	GPTCR = GPTCR_SWR;
+	for (i = 0; i < 100; i++)
+		GPTCR = 0; /* We have no udelay by now */
+	GPTPR = 0; /* 32Khz */
+	/* Freerun Mode, PERCLK1 input */
+	GPTCR |= GPTCR_CLKSOURCE_32 | GPTCR_TEN;
+
+	return 0;
+}
+
+unsigned long long get_ticks(void)
+{
+	ulong now = GPTCNT; /* current tick value */
+
+	if (now >= gd->lastinc)	/* normal mode (non roll) */
+		/* move stamp forward with absolut diff ticks */
+		gd->tbl += (now - gd->lastinc);
+	else			/* we have rollover of incrementer */
+		gd->tbl += (0xFFFFFFFF - gd->lastinc) + now;
+	gd->lastinc = now;
+	return gd->tbl;
+}
+
+ulong get_timer_masked(void)
+{
+	/*
+	 * get_ticks() returns a long long (64 bit), it wraps in
+	 * 2^64 / CONFIG_MX31_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
+	 * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
+	 * 5 * 10^6 days - long enough.
+	 */
+	return tick_to_time(get_ticks());
+}
+
+ulong get_timer(ulong base)
+{
+	return get_timer_masked() - base;
+}
+
+/* delay x useconds AND preserve advance timestamp value */
+void __udelay(unsigned long usec)
+{
+	unsigned long long tmp;
+	ulong tmo;
+
+	tmo = us_to_tick(usec);
+	tmp = get_ticks() + tmo;	/* get current timestamp */
+
+	while (get_ticks() < tmp)	/* loop till event */
+		 /*NOP*/;
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+	return CONFIG_MX31_CLK32;
+}
+
+void reset_cpu(ulong addr)
+{
+	struct wdog_regs *wdog = (struct wdog_regs *)WDOG_BASE;
+	wdog->wcr = WDOG_ENABLE;
+	while (1)
+		;
+}
+
+#ifdef CONFIG_HW_WATCHDOG
+void mxc_hw_watchdog_enable(void)
+{
+	struct wdog_regs *wdog = (struct wdog_regs *)WDOG_BASE;
+	u16 secs;
+
+	/*
+	 * The timer watchdog can be set between
+	 * 0.5 and 128 Seconds. If not defined
+	 * in configuration file, sets 64 Seconds
+	 */
+#ifdef CONFIG_SYS_WD_TIMER_SECS
+	secs = (CONFIG_SYS_WD_TIMER_SECS << 1) & 0xFF;
+	if (!secs) secs = 1;
+#else
+	secs = 64;
+#endif
+	setbits_le16(&wdog->wcr, (secs << WDOG_WT_SHIFT) | WDOG_ENABLE
+							 | WDOG_WDZST);
+}
+
+
+void mxc_hw_watchdog_reset(void)
+{
+	struct wdog_regs *wdog = (struct wdog_regs *)WDOG_BASE;
+
+	writew(0x5555, &wdog->wsr);
+	writew(0xAAAA, &wdog->wsr);
+}
+#endif

arch/arm/cpu/arm1136/mx35/Makefile

@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2008-2009 Freescale Semiconductor, Inc.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).o
+
+COBJS	+= generic.o
+COBJS	+= timer.o
+COBJS	+= iomux.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all:	$(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

arch/arm/cpu/arm1136/mx35/asm-offsets.c

@@ -0,0 +1,43 @@
+/*
+ * Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c
+ *
+ * This program is used to generate definitions needed by
+ * assembly language modules.
+ *
+ * We use the technique used in the OSF Mach kernel code:
+ * generate asm statements containing #defines,
+ * compile this file to assembler, and then extract the
+ * #defines from the assembly-language output.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <common.h>
+#include <asm/arch/imx-regs.h>
+
+#include <linux/kbuild.h>
+
+int main(void)
+{
+
+	/* Round up to make sure size gives nice stack alignment */
+	DEFINE(CLKCTL_CCMR, offsetof(struct ccm_regs, ccmr));
+	DEFINE(CLKCTL_PDR0, offsetof(struct ccm_regs, pdr0));
+	DEFINE(CLKCTL_PDR1, offsetof(struct ccm_regs, pdr1));
+	DEFINE(CLKCTL_PDR2, offsetof(struct ccm_regs, pdr2));
+	DEFINE(CLKCTL_PDR3, offsetof(struct ccm_regs, pdr3));
+	DEFINE(CLKCTL_PDR4, offsetof(struct ccm_regs, pdr4));
+	DEFINE(CLKCTL_RCSR, offsetof(struct ccm_regs, rcsr));
+	DEFINE(CLKCTL_MPCTL, offsetof(struct ccm_regs, mpctl));
+	DEFINE(CLKCTL_PPCTL, offsetof(struct ccm_regs, ppctl));
+	DEFINE(CLKCTL_ACMR, offsetof(struct ccm_regs, acmr));
+	DEFINE(CLKCTL_COSR, offsetof(struct ccm_regs, cosr));
+	DEFINE(CLKCTL_CGR0, offsetof(struct ccm_regs, cgr0));
+	DEFINE(CLKCTL_CGR1, offsetof(struct ccm_regs, cgr1));
+	DEFINE(CLKCTL_CGR2, offsetof(struct ccm_regs, cgr2));
+
+	return 0;
+}

arch/arm/cpu/arm1136/mx35/generic.c

@@ -0,0 +1,490 @@
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2008-2010 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
+#include <netdev.h>
+
+#define CLK_CODE(arm, ahb, sel) (((arm) << 16) + ((ahb) << 8) + (sel))
+#define CLK_CODE_ARM(c)		(((c) >> 16) & 0xFF)
+#define CLK_CODE_AHB(c)		(((c) >>  8) & 0xFF)
+#define CLK_CODE_PATH(c)	((c) & 0xFF)
+
+#define CCM_GET_DIVIDER(x, m, o) (((x) & (m)) >> (o))
+
+#ifdef CONFIG_FSL_ESDHC
+DECLARE_GLOBAL_DATA_PTR;
+#endif
+
+static int g_clk_mux_auto[8] = {
+	CLK_CODE(1, 3, 0), CLK_CODE(1, 2, 1), CLK_CODE(2, 1, 1), -1,
+	CLK_CODE(1, 6, 0), CLK_CODE(1, 4, 1), CLK_CODE(2, 2, 1), -1,
+};
+
+static int g_clk_mux_consumer[16] = {
+	CLK_CODE(1, 4, 0), CLK_CODE(1, 3, 1), CLK_CODE(1, 3, 1), -1,
+	-1, -1, CLK_CODE(4, 1, 0), CLK_CODE(1, 5, 0),
+	CLK_CODE(1, 8, 1), CLK_CODE(1, 6, 1), CLK_CODE(2, 4, 0), -1,
+	-1, -1, CLK_CODE(4, 2, 0), -1,
+};
+
+static int hsp_div_table[3][16] = {
+	{4, 3, 2, -1, -1, -1, 1, 5, 4, 3, 2, -1, -1, -1, 1, -1},
+	{-1, -1, -1, -1, -1, -1, -1, -1, 8, 6, 4, -1, -1, -1, 2, -1},
+	{3, -1, -1, -1, -1, -1, -1, -1, 3, -1, -1, -1, -1, -1, -1, -1},
+};
+
+u32 get_cpu_rev(void)
+{
+	int reg;
+	struct iim_regs *iim =
+		(struct iim_regs *)IIM_BASE_ADDR;
+	reg = readl(&iim->iim_srev);
+	if (!reg) {
+		reg = readw(ROMPATCH_REV);
+		reg <<= 4;
+	} else {
+		reg += CHIP_REV_1_0;
+	}
+
+	return 0x35000 + (reg & 0xFF);
+}
+
+static u32 get_arm_div(u32 pdr0, u32 *fi, u32 *fd)
+{
+	int *pclk_mux;
+	if (pdr0 & MXC_CCM_PDR0_AUTO_CON) {
+		pclk_mux = g_clk_mux_consumer +
+			((pdr0 & MXC_CCM_PDR0_CON_MUX_DIV_MASK) >>
+			MXC_CCM_PDR0_CON_MUX_DIV_OFFSET);
+	} else {
+		pclk_mux = g_clk_mux_auto +
+			((pdr0 & MXC_CCM_PDR0_AUTO_MUX_DIV_MASK) >>
+			MXC_CCM_PDR0_AUTO_MUX_DIV_OFFSET);
+	}
+
+	if ((*pclk_mux) == -1)
+		return -1;
+
+	if (fi && fd) {
+		if (!CLK_CODE_PATH(*pclk_mux)) {
+			*fi = *fd = 1;
+			return CLK_CODE_ARM(*pclk_mux);
+		}
+		if (pdr0 & MXC_CCM_PDR0_AUTO_CON) {
+			*fi = 3;
+			*fd = 4;
+		} else {
+			*fi = 2;
+			*fd = 3;
+		}
+	}
+	return CLK_CODE_ARM(*pclk_mux);
+}
+
+static int get_ahb_div(u32 pdr0)
+{
+	int *pclk_mux;
+
+	pclk_mux = g_clk_mux_consumer +
+		((pdr0 & MXC_CCM_PDR0_CON_MUX_DIV_MASK) >>
+		MXC_CCM_PDR0_CON_MUX_DIV_OFFSET);
+
+	if ((*pclk_mux) == -1)
+		return -1;
+
+	return CLK_CODE_AHB(*pclk_mux);
+}
+
+static u32 decode_pll(u32 reg, u32 infreq)
+{
+	u32 mfi = (reg >> 10) & 0xf;
+	u32 mfn = reg & 0x3f;
+	u32 mfd = (reg >> 16) & 0x3f;
+	u32 pd = (reg >> 26) & 0xf;
+
+	mfi = mfi <= 5 ? 5 : mfi;
+	mfd += 1;
+	pd += 1;
+
+	return ((2 * (infreq / 1000) * (mfi * mfd + mfn)) / (mfd * pd)) * 1000;
+}
+
+static u32 get_mcu_main_clk(void)
+{
+	u32 arm_div = 0, fi = 0, fd = 0;
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+	arm_div = get_arm_div(readl(&ccm->pdr0), &fi, &fd);
+	fi *=
+		decode_pll(readl(&ccm->mpctl),
+			CONFIG_MX35_HCLK_FREQ);
+	return fi / (arm_div * fd);
+}
+
+static u32 get_ipg_clk(void)
+{
+	u32 freq = get_mcu_main_clk();
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+	u32 pdr0 = readl(&ccm->pdr0);
+
+	return freq / (get_ahb_div(pdr0) * 2);
+}
+
+static u32 get_ipg_per_clk(void)
+{
+	u32 freq = get_mcu_main_clk();
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+	u32 pdr0 = readl(&ccm->pdr0);
+	u32 pdr4 = readl(&ccm->pdr4);
+	u32 div;
+	if (pdr0 & MXC_CCM_PDR0_PER_SEL) {
+		div = (CCM_GET_DIVIDER(pdr4,
+			MXC_CCM_PDR4_PER0_PRDF_MASK,
+			MXC_CCM_PDR4_PER0_PODF_OFFSET) + 1) *
+			(CCM_GET_DIVIDER(pdr4,
+			MXC_CCM_PDR4_PER0_PODF_MASK,
+			MXC_CCM_PDR4_PER0_PODF_OFFSET) + 1);
+	} else {
+		div = CCM_GET_DIVIDER(pdr0,
+			MXC_CCM_PDR0_PER_PODF_MASK,
+			MXC_CCM_PDR0_PER_PODF_OFFSET) + 1;
+		freq /= get_ahb_div(pdr0);
+	}
+	return freq / div;
+}
+
+u32 imx_get_uartclk(void)
+{
+	u32 freq;
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+	u32 pdr4 = readl(&ccm->pdr4);
+
+	if (readl(&ccm->pdr3) & MXC_CCM_PDR3_UART_M_U) {
+		freq = get_mcu_main_clk();
+	} else {
+		freq = decode_pll(readl(&ccm->ppctl),
+			CONFIG_MX35_HCLK_FREQ);
+	}
+	freq /= ((CCM_GET_DIVIDER(pdr4,
+			MXC_CCM_PDR4_UART_PRDF_MASK,
+			MXC_CCM_PDR4_UART_PRDF_OFFSET) + 1) *
+		(CCM_GET_DIVIDER(pdr4,
+			MXC_CCM_PDR4_UART_PODF_MASK,
+			MXC_CCM_PDR4_UART_PODF_OFFSET) + 1));
+	return freq;
+}
+
+unsigned int mxc_get_main_clock(enum mxc_main_clocks clk)
+{
+	u32 nfc_pdf, hsp_podf;
+	u32 pll, ret_val = 0, usb_prdf, usb_podf;
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+
+	u32 reg = readl(&ccm->pdr0);
+	u32 reg4 = readl(&ccm->pdr4);
+
+	reg |= 0x1;
+
+	switch (clk) {
+	case CPU_CLK:
+		ret_val = get_mcu_main_clk();
+		break;
+	case AHB_CLK:
+		ret_val = get_mcu_main_clk();
+		break;
+	case HSP_CLK:
+		if (reg & CLKMODE_CONSUMER) {
+			hsp_podf = (reg >> 20) & 0x3;
+			pll = get_mcu_main_clk();
+			hsp_podf = hsp_div_table[hsp_podf][(reg>>16)&0xF];
+			if (hsp_podf > 0) {
+				ret_val = pll / hsp_podf;
+			} else {
+				puts("mismatch HSP with ARM clock setting\n");
+				ret_val = 0;
+			}
+		} else {
+			ret_val = get_mcu_main_clk();
+		}
+		break;
+	case IPG_CLK:
+		ret_val = get_ipg_clk();
+		break;
+	case IPG_PER_CLK:
+		ret_val = get_ipg_per_clk();
+		break;
+	case NFC_CLK:
+		nfc_pdf = (reg4 >> 28) & 0xF;
+		pll = get_mcu_main_clk();
+		/* AHB/nfc_pdf */
+		ret_val = pll / (nfc_pdf + 1);
+		break;
+	case USB_CLK:
+		usb_prdf = (reg4 >> 25) & 0x7;
+		usb_podf = (reg4 >> 22) & 0x7;
+		if (reg4 & 0x200) {
+			pll = get_mcu_main_clk();
+		} else {
+			pll = decode_pll(readl(&ccm->ppctl),
+				CONFIG_MX35_HCLK_FREQ);
+		}
+
+		ret_val = pll / ((usb_prdf + 1) * (usb_podf + 1));
+		break;
+	default:
+		printf("Unknown clock: %d\n", clk);
+		break;
+	}
+
+	return ret_val;
+}
+unsigned int mxc_get_peri_clock(enum mxc_peri_clocks clk)
+{
+	u32 ret_val = 0, pdf, pre_pdf, clk_sel;
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+	u32 mpdr2 = readl(&ccm->pdr2);
+	u32 mpdr3 = readl(&ccm->pdr3);
+	u32 mpdr4 = readl(&ccm->pdr4);
+
+	switch (clk) {
+	case UART1_BAUD:
+	case UART2_BAUD:
+	case UART3_BAUD:
+		clk_sel = mpdr3 & (1 << 14);
+		pre_pdf = (mpdr4 >> 13) & 0x7;
+		pdf = (mpdr4 >> 10) & 0x7;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case SSI1_BAUD:
+		pre_pdf = (mpdr2 >> 24) & 0x7;
+		pdf = mpdr2 & 0x3F;
+		clk_sel = mpdr2 & (1 << 6);
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case SSI2_BAUD:
+		pre_pdf = (mpdr2 >> 27) & 0x7;
+		pdf = (mpdr2 >> 8) & 0x3F;
+		clk_sel = mpdr2 & (1 << 6);
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case CSI_BAUD:
+		clk_sel = mpdr2 & (1 << 7);
+		pre_pdf = (mpdr2 >> 16) & 0x7;
+		pdf = (mpdr2 >> 19) & 0x7;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case MSHC_CLK:
+		pre_pdf = readl(&ccm->pdr1);
+		clk_sel = (pre_pdf & 0x80);
+		pdf = (pre_pdf >> 22) & 0x3F;
+		pre_pdf = (pre_pdf >> 28) & 0x7;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case ESDHC1_CLK:
+		clk_sel = mpdr3 & 0x40;
+		pre_pdf = mpdr3 & 0x7;
+		pdf = (mpdr3>>3) & 0x7;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case ESDHC2_CLK:
+		clk_sel = mpdr3 & 0x40;
+		pre_pdf = (mpdr3 >> 8) & 0x7;
+		pdf = (mpdr3 >> 11) & 0x7;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case ESDHC3_CLK:
+		clk_sel = mpdr3 & 0x40;
+		pre_pdf = (mpdr3 >> 16) & 0x7;
+		pdf = (mpdr3 >> 19) & 0x7;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	case SPDIF_CLK:
+		clk_sel = mpdr3 & 0x400000;
+		pre_pdf = (mpdr3 >> 29) & 0x7;
+		pdf = (mpdr3 >> 23) & 0x3F;
+		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
+			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
+				((pre_pdf + 1) * (pdf + 1));
+		break;
+	default:
+		printf("%s(): This clock: %d not supported yet\n",
+				__func__, clk);
+		break;
+	}
+
+	return ret_val;
+}
+
+unsigned int mxc_get_clock(enum mxc_clock clk)
+{
+	switch (clk) {
+	case MXC_ARM_CLK:
+		return get_mcu_main_clk();
+	case MXC_AHB_CLK:
+		break;
+	case MXC_IPG_CLK:
+		return get_ipg_clk();
+	case MXC_IPG_PERCLK:
+		return get_ipg_per_clk();
+	case MXC_UART_CLK:
+		return imx_get_uartclk();
+	case MXC_ESDHC_CLK:
+		return mxc_get_peri_clock(ESDHC1_CLK);
+	case MXC_USB_CLK:
+		return mxc_get_main_clock(USB_CLK);
+	case MXC_FEC_CLK:
+		return get_ipg_clk();
+	case MXC_CSPI_CLK:
+		return get_ipg_clk();
+	}
+	return -1;
+}
+
+#ifdef CONFIG_FEC_MXC
+/*
+ * The MX35 has no fuse for MAC, return a NULL MAC
+ */
+void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
+{
+	memset(mac, 0, 6);
+}
+
+u32 imx_get_fecclk(void)
+{
+	return mxc_get_clock(MXC_IPG_CLK);
+}
+#endif
+
+int do_mx35_showclocks(cmd_tbl_t *cmdtp,
+	int flag, int argc, char * const argv[])
+{
+	u32 cpufreq = get_mcu_main_clk();
+	printf("mx35 cpu clock: %dMHz\n", cpufreq / 1000000);
+	printf("ipg clock     : %dHz\n", get_ipg_clk());
+	printf("ipg per clock : %dHz\n", get_ipg_per_clk());
+	printf("uart clock    : %dHz\n", mxc_get_clock(MXC_UART_CLK));
+
+	return 0;
+}
+
+U_BOOT_CMD(
+	clocks,	CONFIG_SYS_MAXARGS, 1, do_mx35_showclocks,
+	"display clocks",
+	""
+);
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+static char *get_reset_cause(void)
+{
+	/* read RCSR register from CCM module */
+	struct ccm_regs *ccm =
+		(struct ccm_regs *)IMX_CCM_BASE;
+
+	u32 cause = readl(&ccm->rcsr) & 0x0F;
+
+	switch (cause) {
+	case 0x0000:
+		return "POR";
+	case 0x0002:
+		return "JTAG";
+	case 0x0004:
+		return "RST";
+	case 0x0008:
+		return "WDOG";
+	default:
+		return "unknown reset";
+	}
+}
+
+int print_cpuinfo(void)
+{
+	u32 srev = get_cpu_rev();
+
+	printf("CPU:   Freescale i.MX35 rev %d.%d at %d MHz.\n",
+		(srev & 0xF0) >> 4, (srev & 0x0F),
+		get_mcu_main_clk() / 1000000);
+
+	printf("Reset cause: %s\n", get_reset_cause());
+
+	return 0;
+}
+#endif
+
+/*
+ * Initializes on-chip ethernet controllers.
+ * to override, implement board_eth_init()
+ */
+
+int cpu_eth_init(bd_t *bis)
+{
+	int rc = -ENODEV;
+
+#if defined(CONFIG_FEC_MXC)
+	rc = fecmxc_initialize(bis);
+#endif
+
+	return rc;
+}
+
+int get_clocks(void)
+{
+#ifdef CONFIG_FSL_ESDHC
+	gd->sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+#endif
+	return 0;
+}
+
+void reset_cpu(ulong addr)
+{
+	struct wdog_regs *wdog = (struct wdog_regs *)WDOG_BASE_ADDR;
+	writew(4, &wdog->wcr);
+}

arch/arm/cpu/arm1136/mx35/iomux.c

@@ -0,0 +1,116 @@
+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx35_pins.h>
+#include <asm/arch/iomux.h>
+
+/*
+ * IOMUX register (base) addresses
+ */
+enum iomux_reg_addr {
+	IOMUXGPR = IOMUXC_BASE_ADDR,			/* General purpose */
+	IOMUXSW_MUX_CTL = IOMUXC_BASE_ADDR + 4,		/* MUX control */
+	IOMUXSW_MUX_END = IOMUXC_BASE_ADDR + 0x324,	/* last MUX control */
+	IOMUXSW_PAD_CTL = IOMUXC_BASE_ADDR + 0x328,	/* Pad control */
+	IOMUXSW_PAD_END = IOMUXC_BASE_ADDR + 0x794,	/* last Pad control */
+	IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR + 0x7AC,	/* input select */
+	IOMUXSW_INPUT_END = IOMUXC_BASE_ADDR + 0x9F4,	/* last input select */
+};
+
+#define MUX_PIN_NUM_MAX		\
+		(((IOMUXSW_PAD_END - IOMUXSW_PAD_CTL) >> 2) + 1)
+#define MUX_INPUT_NUM_MUX	\
+		(((IOMUXSW_INPUT_END - IOMUXSW_INPUT_CTL) >> 2) + 1)
+
+#define PIN_TO_IOMUX_INDEX(pin) ((PIN_TO_IOMUX_PAD(pin) - 0x328) >> 2)
+
+/*
+ * Request ownership for an IO pin. This function has to be the first one
+ * being called before that pin is used.
+ */
+void mxc_request_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
+{
+	u32 mux_reg = PIN_TO_IOMUX_MUX(pin);
+
+	if (mux_reg != NON_MUX_I) {
+		mux_reg += IOMUXGPR;
+		writel(cfg, mux_reg);
+	}
+}
+
+/*
+ * Release ownership for an IO pin
+ */
+void mxc_free_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
+{
+}
+
+/*
+ * This function configures the pad value for a IOMUX pin.
+ *
+ * @param  pin     a pin number as defined in iomux_pin_name_t
+ * @param  config  the ORed value of elements defined in iomux_pad_config_t
+ */
+void mxc_iomux_set_pad(iomux_pin_name_t pin, u32 config)
+{
+	u32 pad_reg = IOMUXGPR + PIN_TO_IOMUX_PAD(pin);
+
+	writel(config, pad_reg);
+}
+
+/*
+ * This function enables/disables the general purpose function for a particular
+ * signal.
+ *
+ * @param  gp   one signal as defined in iomux_gp_func_t
+ * @param  en   enable/disable
+ */
+void mxc_iomux_set_gpr(iomux_gp_func_t gp, int en)
+{
+	u32 l;
+
+	l = readl(IOMUXGPR);
+	if (en)
+		l |= gp;
+	else
+		l &= ~gp;
+
+	writel(l, IOMUXGPR);
+}
+
+/*
+ * This function configures input path.
+ *
+ * @param input index of input select register as defined in
+ *			iomux_input_select_t
+ * @param config the binary value of elements defined in
+ *			iomux_input_config_t
+ */
+void mxc_iomux_set_input(iomux_input_select_t input, u32 config)
+{
+	u32 reg = IOMUXSW_INPUT_CTL + (input << 2);
+
+	writel(config, reg);
+}

arch/arm/cpu/arm1136/mx35/timer.c

@@ -0,0 +1,136 @@
+/*
+ * (C) Copyright 2007
+ * Sascha Hauer, Pengutronix
+ *
+ * (C) Copyright 2008-2009 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <div64.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define timestamp	(gd->tbl)
+#define lastinc		(gd->lastinc)
+
+/* General purpose timers bitfields */
+#define GPTCR_SWR       (1<<15)	/* Software reset */
+#define GPTCR_FRR       (1<<9)	/* Freerun / restart */
+#define GPTCR_CLKSOURCE_32   (0x100<<6)	/* Clock source */
+#define GPTCR_CLKSOURCE_IPG (0x001<<6)	/* Clock source */
+#define GPTCR_TEN       (1)	/* Timer enable */
+
+#define	TIMER_FREQ_HZ	mxc_get_clock(MXC_IPG_CLK)
+
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+	tick *= CONFIG_SYS_HZ;
+	do_div(tick, TIMER_FREQ_HZ);
+
+	return tick;
+}
+
+static inline unsigned long long us_to_tick(unsigned long long usec)
+{
+	usec *= TIMER_FREQ_HZ;
+	do_div(usec, 1000000);
+
+	return usec;
+}
+
+int timer_init(void)
+{
+	int i;
+	struct gpt_regs *gpt = (struct gpt_regs *)GPT1_BASE_ADDR;
+
+	/* setup GP Timer 1 */
+	writel(GPTCR_SWR, &gpt->ctrl);
+	for (i = 0; i < 100; i++)
+		writel(0, &gpt->ctrl);	/* We have no udelay by now */
+
+	writel(0, &gpt->pre);
+	/* Freerun Mode, PERCLK1 input */
+	writel(readl(&gpt->ctrl) |
+		GPTCR_CLKSOURCE_IPG | GPTCR_TEN,
+		&gpt->ctrl);
+
+	return 0;
+}
+
+unsigned long long get_ticks(void)
+{
+	struct gpt_regs *gpt = (struct gpt_regs *)GPT1_BASE_ADDR;
+	ulong now = readl(&gpt->counter); /* current tick value */
+
+	if (now >= lastinc) {
+		/*
+		 * normal mode (non roll)
+		 * move stamp forward with absolut diff ticks
+		 */
+		timestamp += (now - lastinc);
+	} else {
+		/* we have rollover of incrementer */
+		timestamp += (0xFFFFFFFF - lastinc) + now;
+	}
+	lastinc = now;
+	return timestamp;
+}
+
+ulong get_timer_masked(void)
+{
+	/*
+	 * get_ticks() returns a long long (64 bit), it wraps in
+	 * 2^64 / CONFIG_MX25_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
+	 * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
+	 * 5 * 10^6 days - long enough.
+	 */
+	return tick_to_time(get_ticks());
+}
+
+ulong get_timer(ulong base)
+{
+	return get_timer_masked() - base;
+}
+
+/* delay x useconds AND preserve advance timstamp value */
+void __udelay(unsigned long usec)
+{
+	unsigned long long tmp;
+	ulong tmo;
+
+	tmo = us_to_tick(usec);
+	tmp = get_ticks() + tmo;	/* get current timestamp */
+
+	while (get_ticks() < tmp)	/* loop till event */
+		 /*NOP*/;
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+	return TIMER_FREQ_HZ;
+}

arch/arm/cpu/arm1136/omap24xx/Makefile

@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).o
+
+SOBJS	= reset.o
+
+COBJS	= timer.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all:	$(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

arch/arm/cpu/arm1136/omap24xx/timer.c

@@ -0,0 +1,145 @@
+/*
+ * (C) Copyright 2004
+ * Texas Instruments
+ * Richard Woodruff <r-woodruff2@ti.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/bits.h>
+#include <asm/arch/omap2420.h>
+
+#define TIMER_LOAD_VAL 0
+
+/* macro to read the 32 bit timer */
+#define READ_TIMER (*((volatile ulong *)(CONFIG_SYS_TIMERBASE+TCRR)))
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int timer_init (void)
+{
+	int32_t val;
+
+	/* Start the counter ticking up */
+	*((int32_t *) (CONFIG_SYS_TIMERBASE + TLDR)) = TIMER_LOAD_VAL;	/* reload value on overflow*/
+	val = (CONFIG_SYS_PTV << 2) | BIT5 | BIT1 | BIT0;		/* mask to enable timer*/
+	*((int32_t *) (CONFIG_SYS_TIMERBASE + TCLR)) = val;	/* start timer */
+
+	/* reset time */
+	gd->lastinc = READ_TIMER;	/* capture current incrementer value */
+	gd->tbl = 0;			/* start "advancing" time stamp */
+
+	return(0);
+}
+/*
+ * timer without interrupts
+ */
+ulong get_timer (ulong base)
+{
+	return get_timer_masked () - base;
+}
+
+/* delay x useconds AND preserve advance timestamp value */
+void __udelay (unsigned long usec)
+{
+	ulong tmo, tmp;
+
+	if (usec >= 1000) {		/* if "big" number, spread normalization to seconds */
+		tmo = usec / 1000;	/* start to normalize for usec to ticks per sec */
+		tmo *= CONFIG_SYS_HZ;	/* find number of "ticks" to wait to achieve target */
+		tmo /= 1000;		/* finish normalize. */
+	} else {			/* else small number, don't kill it prior to HZ multiply */
+		tmo = usec * CONFIG_SYS_HZ;
+		tmo /= (1000*1000);
+	}
+
+	tmp = get_timer (0);		/* get current timestamp */
+	if ((tmo + tmp + 1) < tmp) {	/* if setting this forward will roll */
+					/* time stamp, then reset time */
+		gd->lastinc = READ_TIMER;	/* capture incrementer value */
+		gd->tbl = 0;			/* start time stamp */
+	} else {
+		tmo	+= tmp;		/* else, set advancing stamp wake up time */
+	}
+	while (get_timer_masked () < tmo)/* loop till event */
+		/*NOP*/;
+}
+
+ulong get_timer_masked (void)
+{
+	ulong now = READ_TIMER;		/* current tick value */
+
+	if (now >= gd->lastinc)		/* normal mode (non roll) */
+		gd->tbl += (now - gd->lastinc); /* move stamp fordward with absoulte diff ticks */
+	else				/* we have rollover of incrementer */
+		gd->tbl += (0xFFFFFFFF - gd->lastinc) + now;
+	gd->lastinc = now;
+	return gd->tbl;
+}
+
+/* waits specified delay value and resets timestamp */
+void udelay_masked (unsigned long usec)
+{
+	ulong tmo;
+	ulong endtime;
+	signed long diff;
+
+	if (usec >= 1000) {			/* if "big" number, spread normalization to seconds */
+		tmo = usec / 1000;		/* start to normalize for usec to ticks per sec */
+		tmo *= CONFIG_SYS_HZ;			/* find number of "ticks" to wait to achieve target */
+		tmo /= 1000;			/* finish normalize. */
+	} else {					/* else small number, don't kill it prior to HZ multiply */
+		tmo = usec * CONFIG_SYS_HZ;
+		tmo /= (1000*1000);
+	}
+	endtime = get_timer_masked () + tmo;
+
+	do {
+		ulong now = get_timer_masked ();
+		diff = endtime - now;
+	} while (diff >= 0);
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+	return get_timer(0);
+}
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk (void)
+{
+	ulong tbclk;
+	tbclk = CONFIG_SYS_HZ;
+	return tbclk;
+}

arch/arm/cpu/arm1136/start.S

@@ -0,0 +1,522 @@
+/*
+ *  armboot - Startup Code for OMP2420/ARM1136 CPU-core
+ *
+ *  Copyright (c) 2004	Texas Instruments <r-woodruff2@ti.com>
+ *
+ *  Copyright (c) 2001	Marius Gröger <mag@sysgo.de>
+ *  Copyright (c) 2002	Alex Züpke <azu@sysgo.de>
+ *  Copyright (c) 2002	Gary Jennejohn <garyj@denx.de>
+ *  Copyright (c) 2003	Richard Woodruff <r-woodruff2@ti.com>
+ *  Copyright (c) 2003	Kshitij <kshitij@ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm-offsets.h>
+#include <config.h>
+#include <version.h>
+.globl _start
+_start: b	reset
+#ifdef CONFIG_SPL_BUILD
+	ldr	pc, _hang
+	ldr	pc, _hang
+	ldr	pc, _hang
+	ldr	pc, _hang
+	ldr	pc, _hang
+	ldr	pc, _hang
+	ldr	pc, _hang
+
+_hang:
+	.word	do_hang
+	.word	0x12345678
+	.word	0x12345678
+	.word	0x12345678
+	.word	0x12345678
+	.word	0x12345678
+	.word	0x12345678
+	.word	0x12345678	/* now 16*4=64 */
+#else
+	ldr	pc, _undefined_instruction
+	ldr	pc, _software_interrupt
+	ldr	pc, _prefetch_abort
+	ldr	pc, _data_abort
+	ldr	pc, _not_used
+	ldr	pc, _irq
+	ldr	pc, _fiq
+
+_undefined_instruction: .word undefined_instruction
+_software_interrupt:	.word software_interrupt
+_prefetch_abort:	.word prefetch_abort
+_data_abort:		.word data_abort
+_not_used:		.word not_used
+_irq:			.word irq
+_fiq:			.word fiq
+_pad:			.word 0x12345678 /* now 16*4=64 */
+#endif	/* CONFIG_SPL_BUILD */
+.global _end_vect
+_end_vect:
+
+	.balignl 16,0xdeadbeef
+/*
+ *************************************************************************
+ *
+ * Startup Code (reset vector)
+ *
+ * do important init only if we don't start from memory!
+ * setup Memory and board specific bits prior to relocation.
+ * relocate armboot to ram
+ * setup stack
+ *
+ *************************************************************************
+ */
+
+.globl _TEXT_BASE
+_TEXT_BASE:
+	.word	CONFIG_SYS_TEXT_BASE
+
+/*
+ * These are defined in the board-specific linker script.
+ * Subtracting _start from them lets the linker put their
+ * relative position in the executable instead of leaving
+ * them null.
+ */
+.globl _bss_start_ofs
+_bss_start_ofs:
+	.word __bss_start - _start
+
+.globl _bss_end_ofs
+_bss_end_ofs:
+	.word __bss_end__ - _start
+
+.globl _end_ofs
+_end_ofs:
+	.word _end - _start
+
+#ifdef CONFIG_USE_IRQ
+/* IRQ stack memory (calculated at run-time) */
+.globl IRQ_STACK_START
+IRQ_STACK_START:
+	.word	0x0badc0de
+
+/* IRQ stack memory (calculated at run-time) */
+.globl FIQ_STACK_START
+FIQ_STACK_START:
+	.word 0x0badc0de
+#endif
+
+/* IRQ stack memory (calculated at run-time) + 8 bytes */
+.globl IRQ_STACK_START_IN
+IRQ_STACK_START_IN:
+	.word	0x0badc0de
+
+/*
+ * the actual reset code
+ */
+
+reset:
+	/*
+	 * set the cpu to SVC32 mode
+	 */
+	mrs	r0,cpsr
+	bic	r0,r0,#0x1f
+	orr	r0,r0,#0xd3
+	msr	cpsr,r0
+
+#ifdef CONFIG_OMAP2420H4
+       /* Copy vectors to mask ROM indirect addr */
+	adr	r0, _start		/* r0 <- current position of code   */
+		add     r0, r0, #4				/* skip reset vector			*/
+	mov	r2, #64			/* r2 <- size to copy  */
+	add	r2, r0, r2		/* r2 <- source end address	    */
+	mov	r1, #SRAM_OFFSET0	  /* build vect addr */
+	mov	r3, #SRAM_OFFSET1
+	add	r1, r1, r3
+	mov	r3, #SRAM_OFFSET2
+	add	r1, r1, r3
+next:
+	ldmia	r0!, {r3-r10}		/* copy from source address [r0]    */
+	stmia	r1!, {r3-r10}		/* copy to   target address [r1]    */
+	cmp	r0, r2			/* until source end address [r2]    */
+	bne	next			/* loop until equal */
+	bl	cpy_clk_code		/* put dpll adjust code behind vectors */
+#endif
+	/* the mask ROM code should have PLL and others stable */
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+	bl  cpu_init_crit
+#endif
+
+/* Set stackpointer in internal RAM to call board_init_f */
+call_board_init_f:
+	ldr	sp, =(CONFIG_SYS_INIT_SP_ADDR)
+	bic	sp, sp, #7 /* 8-byte alignment for ABI compliance */
+	ldr	r0,=0x00000000
+
+	bl	board_init_f
+
+/*------------------------------------------------------------------------------*/
+
+/*
+ * void relocate_code (addr_sp, gd, addr_moni)
+ *
+ * This "function" does not return, instead it continues in RAM
+ * after relocating the monitor code.
+ *
+ */
+	.globl	relocate_code
+relocate_code:
+	mov	r4, r0	/* save addr_sp */
+	mov	r5, r1	/* save addr of gd */
+	mov	r6, r2	/* save addr of destination */
+
+	/* Set up the stack						    */
+stack_setup:
+	mov	sp, r4
+
+	adr	r0, _start
+	cmp	r0, r6
+	beq	clear_bss		/* skip relocation */
+	mov	r1, r6			/* r1 <- scratch for copy_loop */
+	ldr	r3, _bss_start_ofs
+	add	r2, r0, r3		/* r2 <- source end address	    */
+
+copy_loop:
+	ldmia	r0!, {r9-r10}		/* copy from source address [r0]    */
+	stmia	r1!, {r9-r10}		/* copy to   target address [r1]    */
+	cmp	r0, r2			/* until source end address [r2]    */
+	blo	copy_loop
+
+#ifndef CONFIG_SPL_BUILD
+	/*
+	 * fix .rel.dyn relocations
+	 */
+	ldr	r0, _TEXT_BASE		/* r0 <- Text base */
+	sub	r9, r6, r0		/* r9 <- relocation offset */
+	ldr	r10, _dynsym_start_ofs	/* r10 <- sym table ofs */
+	add	r10, r10, r0		/* r10 <- sym table in FLASH */
+	ldr	r2, _rel_dyn_start_ofs	/* r2 <- rel dyn start ofs */
+	add	r2, r2, r0		/* r2 <- rel dyn start in FLASH */
+	ldr	r3, _rel_dyn_end_ofs	/* r3 <- rel dyn end ofs */
+	add	r3, r3, r0		/* r3 <- rel dyn end in FLASH */
+fixloop:
+	ldr	r0, [r2]		/* r0 <- location to fix up, IN FLASH! */
+	add	r0, r0, r9		/* r0 <- location to fix up in RAM */
+	ldr	r1, [r2, #4]
+	and	r7, r1, #0xff
+	cmp	r7, #23			/* relative fixup? */
+	beq	fixrel
+	cmp	r7, #2			/* absolute fixup? */
+	beq	fixabs
+	/* ignore unknown type of fixup */
+	b	fixnext
+fixabs:
+	/* absolute fix: set location to (offset) symbol value */
+	mov	r1, r1, LSR #4		/* r1 <- symbol index in .dynsym */
+	add	r1, r10, r1		/* r1 <- address of symbol in table */
+	ldr	r1, [r1, #4]		/* r1 <- symbol value */
+	add	r1, r1, r9		/* r1 <- relocated sym addr */
+	b	fixnext
+fixrel:
+	/* relative fix: increase location by offset */
+	ldr	r1, [r0]
+	add	r1, r1, r9
+fixnext:
+	str	r1, [r0]
+	add	r2, r2, #8		/* each rel.dyn entry is 8 bytes */
+	cmp	r2, r3
+	blo	fixloop
+#endif
+
+clear_bss:
+#ifndef CONFIG_SPL_BUILD
+	ldr	r0, _bss_start_ofs
+	ldr	r1, _bss_end_ofs
+	mov	r4, r6			/* reloc addr */
+	add	r0, r0, r4
+	add	r1, r1, r4
+	mov	r2, #0x00000000		/* clear			    */
+
+clbss_l:str	r2, [r0]		/* clear loop...		    */
+	add	r0, r0, #4
+	cmp	r0, r1
+	bne	clbss_l
+#endif	/* #ifndef CONFIG_SPL_BUILD */
+
+/*
+ * We are done. Do not return, instead branch to second part of board
+ * initialization, now running from RAM.
+ */
+#ifdef CONFIG_NAND_SPL
+	ldr     r0, _nand_boot_ofs
+	mov	pc, r0
+
+_nand_boot_ofs:
+	.word nand_boot
+#else
+jump_2_ram:
+	ldr	r0, _board_init_r_ofs
+	ldr     r1, _TEXT_BASE
+	add	lr, r0, r1
+	add	lr, lr, r9
+	/* setup parameters for board_init_r */
+	mov	r0, r5		/* gd_t */
+	mov	r1, r6		/* dest_addr */
+	/* jump to it ... */
+	mov	pc, lr
+
+_board_init_r_ofs:
+	.word board_init_r - _start
+#endif
+
+_rel_dyn_start_ofs:
+	.word __rel_dyn_start - _start
+_rel_dyn_end_ofs:
+	.word __rel_dyn_end - _start
+_dynsym_start_ofs:
+	.word __dynsym_start - _start
+
+/*
+ *************************************************************************
+ *
+ * CPU_init_critical registers
+ *
+ * setup important registers
+ * setup memory timing
+ *
+ *************************************************************************
+ */
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+cpu_init_crit:
+	/*
+	 * flush v4 I/D caches
+	 */
+	mov	r0, #0
+	mcr	p15, 0, r0, c7, c7, 0	/* Invalidate I+D+BTB caches */
+	mcr	p15, 0, r0, c8, c7, 0	/* Invalidate Unified TLB */
+
+	/*
+	 * disable MMU stuff and caches
+	 */
+	mrc	p15, 0, r0, c1, c0, 0
+	bic	r0, r0, #0x00002300	@ clear bits 13, 9:8 (--V- --RS)
+	bic	r0, r0, #0x00000087	@ clear bits 7, 2:0 (B--- -CAM)
+	orr	r0, r0, #0x00000002	@ set bit 2 (A) Align
+	orr	r0, r0, #0x00001000	@ set bit 12 (I) I-Cache
+	mcr	p15, 0, r0, c1, c0, 0
+
+	/*
+	 * Jump to board specific initialization... The Mask ROM will have already initialized
+	 * basic memory.  Go here to bump up clock rate and handle wake up conditions.
+	 */
+	mov	ip, lr		/* persevere link reg across call */
+	bl	lowlevel_init	/* go setup pll,mux,memory */
+	mov	lr, ip		/* restore link */
+	mov	pc, lr		/* back to my caller */
+#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
+
+#ifndef CONFIG_SPL_BUILD
+/*
+ *************************************************************************
+ *
+ * Interrupt handling
+ *
+ *************************************************************************
+ */
+@
+@ IRQ stack frame.
+@
+#define S_FRAME_SIZE	72
+
+#define S_OLD_R0	68
+#define S_PSR		64
+#define S_PC		60
+#define S_LR		56
+#define S_SP		52
+
+#define S_IP		48
+#define S_FP		44
+#define S_R10		40
+#define S_R9		36
+#define S_R8		32
+#define S_R7		28
+#define S_R6		24
+#define S_R5		20
+#define S_R4		16
+#define S_R3		12
+#define S_R2		8
+#define S_R1		4
+#define S_R0		0
+
+#define MODE_SVC 0x13
+#define I_BIT	 0x80
+
+/*
+ * use bad_save_user_regs for abort/prefetch/undef/swi ...
+ * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling
+ */
+
+	.macro	bad_save_user_regs
+	sub	sp, sp, #S_FRAME_SIZE		@ carve out a frame on current user stack
+	stmia	sp, {r0 - r12}			@ Save user registers (now in svc mode) r0-r12
+
+	ldr	r2, IRQ_STACK_START_IN		@ set base 2 words into abort stack
+	ldmia	r2, {r2 - r3}			@ get values for "aborted" pc and cpsr (into parm regs)
+	add	r0, sp, #S_FRAME_SIZE		@ grab pointer to old stack
+
+	add	r5, sp, #S_SP
+	mov	r1, lr
+	stmia	r5, {r0 - r3}			@ save sp_SVC, lr_SVC, pc, cpsr
+	mov	r0, sp				@ save current stack into r0 (param register)
+	.endm
+
+	.macro	irq_save_user_regs
+	sub	sp, sp, #S_FRAME_SIZE
+	stmia	sp, {r0 - r12}			@ Calling r0-r12
+	add	r8, sp, #S_PC			@ !!!! R8 NEEDS to be saved !!!! a reserved stack spot would be good.
+	stmdb	r8, {sp, lr}^			@ Calling SP, LR
+	str	lr, [r8, #0]			@ Save calling PC
+	mrs	r6, spsr
+	str	r6, [r8, #4]			@ Save CPSR
+	str	r0, [r8, #8]			@ Save OLD_R0
+	mov	r0, sp
+	.endm
+
+	.macro	irq_restore_user_regs
+	ldmia	sp, {r0 - lr}^			@ Calling r0 - lr
+	mov	r0, r0
+	ldr	lr, [sp, #S_PC]			@ Get PC
+	add	sp, sp, #S_FRAME_SIZE
+	subs	pc, lr, #4			@ return & move spsr_svc into cpsr
+	.endm
+
+	.macro get_bad_stack
+	ldr	r13, IRQ_STACK_START_IN		@ setup our mode stack (enter in banked mode)
+
+	str	lr, [r13]			@ save caller lr in position 0 of saved stack
+	mrs	lr, spsr			@ get the spsr
+	str	lr, [r13, #4]			@ save spsr in position 1 of saved stack
+
+	mov	r13, #MODE_SVC			@ prepare SVC-Mode
+	@ msr	spsr_c, r13
+	msr	spsr, r13			@ switch modes, make sure moves will execute
+	mov	lr, pc				@ capture return pc
+	movs	pc, lr				@ jump to next instruction & switch modes.
+	.endm
+
+	.macro get_bad_stack_swi
+	sub	r13, r13, #4			@ space on current stack for scratch reg.
+	str	r0, [r13]			@ save R0's value.
+	ldr	r0, IRQ_STACK_START_IN		@ get data regions start
+	str	lr, [r0]			@ save caller lr in position 0 of saved stack
+	mrs	r0, spsr			@ get the spsr
+	str	lr, [r0, #4]			@ save spsr in position 1 of saved stack
+	ldr	r0, [r13]			@ restore r0
+	add	r13, r13, #4			@ pop stack entry
+	.endm
+
+	.macro get_irq_stack			@ setup IRQ stack
+	ldr	sp, IRQ_STACK_START
+	.endm
+
+	.macro get_fiq_stack			@ setup FIQ stack
+	ldr	sp, FIQ_STACK_START
+	.endm
+#endif	/* CONFIG_SPL_BUILD */
+
+/*
+ * exception handlers
+ */
+#ifdef CONFIG_SPL_BUILD
+	.align	5
+do_hang:
+	ldr	sp, _TEXT_BASE			/* use 32 words about stack */
+	bl	hang				/* hang and never return */
+#else	/* !CONFIG_SPL_BUILD */
+	.align	5
+undefined_instruction:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_undefined_instruction
+
+	.align	5
+software_interrupt:
+	get_bad_stack_swi
+	bad_save_user_regs
+	bl	do_software_interrupt
+
+	.align	5
+prefetch_abort:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_prefetch_abort
+
+	.align	5
+data_abort:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_data_abort
+
+	.align	5
+not_used:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_not_used
+
+#ifdef CONFIG_USE_IRQ
+
+	.align	5
+irq:
+	get_irq_stack
+	irq_save_user_regs
+	bl	do_irq
+	irq_restore_user_regs
+
+	.align	5
+fiq:
+	get_fiq_stack
+	/* someone ought to write a more effiction fiq_save_user_regs */
+	irq_save_user_regs
+	bl	do_fiq
+	irq_restore_user_regs
+
+#else
+
+	.align	5
+irq:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_irq
+
+	.align	5
+fiq:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_fiq
+
+#endif
+	.align 5
+.global arm1136_cache_flush
+arm1136_cache_flush:
+#if !defined(CONFIG_SYS_ICACHE_OFF)
+		mcr	p15, 0, r1, c7, c5, 0	@ invalidate I cache
+#endif
+#if !defined(CONFIG_SYS_DCACHE_OFF)
+		mcr	p15, 0, r1, c7, c14, 0	@ invalidate D cache
+#endif
+		mov	pc, lr			@ back to caller
+#endif	/* CONFIG_SPL_BUILD */

arch/arm/cpu/arm1176/Makefile

@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2008
+# Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(CPU).o
+
+START	= start.o
+COBJS	= cpu.o
+
+SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+START	:= $(addprefix $(obj),$(START))
+
+all:	$(obj).depend $(START) $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

arch/arm/cpu/arm1176/config.mk

@@ -0,0 +1,34 @@
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
+
+# Make ARMv5 to allow more compilers to work, even though its v6.
+PLATFORM_CPPFLAGS += -march=armv5t
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# =========================================================================
+PF_RELFLAGS_SLB_AT := $(call cc-option,-mshort-load-bytes,\
+			$(call cc-option,-malignment-traps,))
+PLATFORM_RELFLAGS += $(PF_RELFLAGS_SLB_AT)

arch/arm/cpu/arm1176/cpu.c

@@ -0,0 +1,67 @@
+/*
+ * (C) Copyright 2004 Texas Insturments
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * CPU specific code
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/system.h>
+
+static void cache_flush (void);
+
+int cleanup_before_linux (void)
+{
+	/*
+	 * this function is called just before we call linux
+	 * it prepares the processor for linux
+	 *
+	 * we turn off caches etc ...
+	 */
+
+	disable_interrupts ();
+
+	/* turn off I/D-cache */
+	icache_disable();
+	dcache_disable();
+	/* flush I/D-cache */
+	cache_flush();
+
+	return 0;
+}
+
+/* flush I/D-cache */
+static void cache_flush (void)
+{
+	/* invalidate both caches and flush btb */
+	asm ("mcr p15, 0, %0, c7, c7, 0": :"r" (0));
+	/* mem barrier to sync things */
+	asm ("mcr p15, 0, %0, c7, c10, 4": :"r" (0));
+}

arch/arm/cpu/arm1176/s3c64xx/Makefile

@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2008
+# Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).o
+
+SOBJS	= reset.o
+
+COBJS-$(CONFIG_S3C6400)	+= cpu_init.o speed.o
+COBJS-y	+= timer.o
+
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS-y))
+
+all:	$(obj).depend $(START) $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

arch/arm/cpu/arm1176/s3c64xx/config.mk

@@ -0,0 +1,34 @@
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
+
+# Make ARMv5 to allow more compilers to work, even though its v6.
+PLATFORM_CPPFLAGS += -march=armv5t
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# =========================================================================
+PF_RELFLAGS_SLB_AT := $(call cc-option,-mshort-load-bytes,\
+			$(call cc-option,-malignment-traps,))
+PLATFORM_RELFLAGS += $(PF_RELFLAGS_SLB_AT)

arch/arm/cpu/arm1176/s3c64xx/cpu_init.S

@@ -0,0 +1,135 @@
+/*
+ * Originates from Samsung's u-boot 1.1.6 port to S3C6400 / SMDK6400
+ *
+ * Copyright (C) 2008
+ * Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <asm/arch/s3c6400.h>
+
+	.globl mem_ctrl_asm_init
+mem_ctrl_asm_init:
+	/* DMC1 base address 0x7e001000 */
+	ldr	r0, =ELFIN_DMC1_BASE
+
+	ldr	r1, =0x4
+	str	r1, [r0, #INDEX_DMC_MEMC_CMD]
+
+	ldr	r1, =DMC_DDR_REFRESH_PRD
+	str	r1, [r0, #INDEX_DMC_REFRESH_PRD]
+
+	ldr	r1, =DMC_DDR_CAS_LATENCY
+	str	r1, [r0, #INDEX_DMC_CAS_LATENCY]
+
+	ldr	r1, =DMC_DDR_t_DQSS
+	str	r1, [r0, #INDEX_DMC_T_DQSS]
+
+	ldr	r1, =DMC_DDR_t_MRD
+	str	r1, [r0, #INDEX_DMC_T_MRD]
+
+	ldr	r1, =DMC_DDR_t_RAS
+	str	r1, [r0, #INDEX_DMC_T_RAS]
+
+	ldr	r1, =DMC_DDR_t_RC
+	str	r1, [r0, #INDEX_DMC_T_RC]
+
+	ldr	r1, =DMC_DDR_t_RCD
+	ldr	r2, =DMC_DDR_schedule_RCD
+	orr	r1, r1, r2
+	str	r1, [r0, #INDEX_DMC_T_RCD]
+
+	ldr	r1, =DMC_DDR_t_RFC
+	ldr	r2, =DMC_DDR_schedule_RFC
+	orr	r1, r1, r2
+	str	r1, [r0, #INDEX_DMC_T_RFC]
+
+	ldr	r1, =DMC_DDR_t_RP
+	ldr	r2, =DMC_DDR_schedule_RP
+	orr	r1, r1, r2
+	str	r1, [r0, #INDEX_DMC_T_RP]
+
+	ldr	r1, =DMC_DDR_t_RRD
+	str	r1, [r0, #INDEX_DMC_T_RRD]
+
+	ldr	r1, =DMC_DDR_t_WR
+	str	r1, [r0, #INDEX_DMC_T_WR]
+
+	ldr	r1, =DMC_DDR_t_WTR
+	str	r1, [r0, #INDEX_DMC_T_WTR]
+
+	ldr	r1, =DMC_DDR_t_XP
+	str	r1, [r0, #INDEX_DMC_T_XP]
+
+	ldr	r1, =DMC_DDR_t_XSR
+	str	r1, [r0, #INDEX_DMC_T_XSR]
+
+	ldr	r1, =DMC_DDR_t_ESR
+	str	r1, [r0, #INDEX_DMC_T_ESR]
+
+	ldr	r1, =DMC1_MEM_CFG
+	str	r1, [r0, #INDEX_DMC_MEMORY_CFG]
+
+	ldr	r1, =DMC1_MEM_CFG2
+	str	r1, [r0, #INDEX_DMC_MEMORY_CFG2]
+
+	ldr	r1, =DMC1_CHIP0_CFG
+	str	r1, [r0, #INDEX_DMC_CHIP_0_CFG]
+
+	ldr	r1, =DMC_DDR_32_CFG
+	str	r1, [r0, #INDEX_DMC_USER_CONFIG]
+
+	/* DMC0 DDR Chip 0 configuration direct command reg */
+	ldr	r1, =DMC_NOP0
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+
+	/* Precharge All */
+	ldr	r1, =DMC_PA0
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+
+	/* Auto Refresh 2 time */
+	ldr	r1, =DMC_AR0
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+
+	/* MRS */
+	ldr	r1, =DMC_mDDR_EMR0
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+
+	/* Mode Reg */
+	ldr	r1, =DMC_mDDR_MR0
+	str	r1, [r0, #INDEX_DMC_DIRECT_CMD]
+
+	/* Enable DMC1 */
+	mov	r1, #0x0
+	str	r1, [r0, #INDEX_DMC_MEMC_CMD]
+
+check_dmc1_ready:
+	ldr	r1, [r0, #INDEX_DMC_MEMC_STATUS]
+	mov	r2, #0x3
+	and	r1, r1, r2
+	cmp	r1, #0x1
+	bne	check_dmc1_ready
+	nop
+
+	mov	pc, lr
+
+	.ltorg

arch/arm/cpu/arm1176/s3c64xx/reset.S

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2009 Samsung Electronics.
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/arch/s3c6400.h>
+
+.globl reset_cpu
+reset_cpu:
+	ldr	r1, =ELFIN_CLOCK_POWER_BASE
+	ldr	r2, [r1, #SYS_ID_OFFSET]
+	ldr	r3, =0xffff
+	and	r2, r3, r2, lsr #12
+	str	r2, [r1, #SW_RST_OFFSET]
+_loop_forever:
+	b	_loop_forever

arch/arm/cpu/arm1176/s3c64xx/speed.c

@@ -0,0 +1,145 @@
+/*
+ * (C) Copyright 2001-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, d.mueller@elsoft.ch
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * This code should work for both the S3C2400 and the S3C2410
+ * as they seem to have the same PLL and clock machinery inside.
+ * The different address mapping is handled by the s3c24xx.h files below.
+ */
+
+#include <common.h>
+#include <asm/arch/s3c6400.h>
+
+#define APLL 0
+#define MPLL 1
+#define EPLL 2
+
+/* ------------------------------------------------------------------------- */
+/*
+ * NOTE: This describes the proper use of this file.
+ *
+ * CONFIG_SYS_CLK_FREQ should be defined as the input frequency of the PLL.
+ *
+ * get_FCLK(), get_HCLK(), get_PCLK() and get_UCLK() return the clock of
+ * the specified bus in HZ.
+ */
+/* ------------------------------------------------------------------------- */
+
+static ulong get_PLLCLK(int pllreg)
+{
+	ulong r, m, p, s;
+
+	switch (pllreg) {
+	case APLL:
+		r = APLL_CON_REG;
+		break;
+	case MPLL:
+		r = MPLL_CON_REG;
+		break;
+	case EPLL:
+		r = EPLL_CON0_REG;
+		break;
+	default:
+		hang();
+	}
+
+	m = (r >> 16) & 0x3ff;
+	p = (r >> 8) & 0x3f;
+	s = r & 0x7;
+
+	return m * (CONFIG_SYS_CLK_FREQ / (p * (1 << s)));
+}
+
+/* return ARMCORE frequency */
+ulong get_ARMCLK(void)
+{
+	ulong div;
+
+	div = CLK_DIV0_REG;
+
+	return get_PLLCLK(APLL) / ((div & 0x7) + 1);
+}
+
+/* return FCLK frequency */
+ulong get_FCLK(void)
+{
+	return get_PLLCLK(APLL);
+}
+
+/* return HCLK frequency */
+ulong get_HCLK(void)
+{
+	ulong fclk;
+
+	uint hclkx2_div = ((CLK_DIV0_REG >> 9) & 0x7) + 1;
+	uint hclk_div = ((CLK_DIV0_REG >> 8) & 0x1) + 1;
+
+	/*
+	 * Bit 7 exists on s3c6410, and not on s3c6400, it is reserved on
+	 * s3c6400 and is always 0, and it is indeed running in ASYNC mode
+	 */
+	if (OTHERS_REG & 0x80)
+		fclk = get_FCLK();		/* SYNC Mode	*/
+	else
+		fclk = get_PLLCLK(MPLL);	/* ASYNC Mode	*/
+
+	return fclk / (hclk_div * hclkx2_div);
+}
+
+/* return PCLK frequency */
+ulong get_PCLK(void)
+{
+	ulong fclk;
+	uint hclkx2_div = ((CLK_DIV0_REG >> 9) & 0x7) + 1;
+	uint pre_div = ((CLK_DIV0_REG >> 12) & 0xf) + 1;
+
+	if (OTHERS_REG & 0x80)
+		fclk = get_FCLK();		/* SYNC Mode	*/
+	else
+		fclk = get_PLLCLK(MPLL);	/* ASYNC Mode	*/
+
+	return fclk / (hclkx2_div * pre_div);
+}
+
+/* return UCLK frequency */
+ulong get_UCLK(void)
+{
+	return get_PLLCLK(EPLL);
+}
+
+int print_cpuinfo(void)
+{
+	printf("\nCPU:     S3C6400@%luMHz\n", get_ARMCLK() / 1000000);
+	printf("         Fclk = %luMHz, Hclk = %luMHz, Pclk = %luMHz ",
+	       get_FCLK() / 1000000, get_HCLK() / 1000000,
+	       get_PCLK() / 1000000);
+
+	if (OTHERS_REG & 0x80)
+		printf("(SYNC Mode) \n");
+	else
+		printf("(ASYNC Mode) \n");
+	return 0;
+}

arch/arm/cpu/arm1176/s3c64xx/timer.c

@@ -0,0 +1,160 @@
+/*
+ * (C) Copyright 2003
+ * Texas Instruments <www.ti.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002-2004
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * (C) Copyright 2004
+ * Philippe Robin, ARM Ltd. <philippe.robin@arm.com>
+ *
+ * (C) Copyright 2008
+ * Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/proc-armv/ptrace.h>
+#include <asm/arch/s3c6400.h>
+#include <div64.h>
+
+static ulong timer_load_val;
+
+#define PRESCALER	167
+
+static s3c64xx_timers *s3c64xx_get_base_timers(void)
+{
+	return (s3c64xx_timers *)ELFIN_TIMER_BASE;
+}
+
+/* macro to read the 16 bit timer */
+static inline ulong read_timer(void)
+{
+	s3c64xx_timers *const timers = s3c64xx_get_base_timers();
+
+	return timers->TCNTO4;
+}
+
+/* Internal tick units */
+/* Last decremneter snapshot */
+static unsigned long lastdec;
+/* Monotonic incrementing timer */
+static unsigned long long timestamp;
+
+int timer_init(void)
+{
+	s3c64xx_timers *const timers = s3c64xx_get_base_timers();
+
+	/* use PWM Timer 4 because it has no output */
+	/*
+	 * We use the following scheme for the timer:
+	 * Prescaler is hard fixed at 167, divider at 1/4.
+	 * This gives at PCLK frequency 66MHz approx. 10us ticks
+	 * The timer is set to wrap after 100s, at 66MHz this obviously
+	 * happens after 10,000,000 ticks. A long variable can thus
+	 * keep values up to 40,000s, i.e., 11 hours. This should be
+	 * enough for most uses:-) Possible optimizations: select a
+	 * binary-friendly frequency, e.g., 1ms / 128. Also calculate
+	 * the prescaler automatically for other PCLK frequencies.
+	 */
+	timers->TCFG0 = PRESCALER << 8;
+	if (timer_load_val == 0) {
+		timer_load_val = get_PCLK() / PRESCALER * (100 / 4); /* 100s */
+		timers->TCFG1 = (timers->TCFG1 & ~0xf0000) | 0x20000;
+	}
+
+	/* load value for 10 ms timeout */
+	lastdec = timers->TCNTB4 = timer_load_val;
+	/* auto load, manual update of Timer 4 */
+	timers->TCON = (timers->TCON & ~0x00700000) | TCON_4_AUTO |
+		TCON_4_UPDATE;
+
+	/* auto load, start Timer 4 */
+	timers->TCON = (timers->TCON & ~0x00700000) | TCON_4_AUTO | COUNT_4_ON;
+	timestamp = 0;
+
+	return 0;
+}
+
+/*
+ * timer without interrupts
+ */
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+	ulong now = read_timer();
+
+	if (lastdec >= now) {
+		/* normal mode */
+		timestamp += lastdec - now;
+	} else {
+		/* we have an overflow ... */
+		timestamp += lastdec + timer_load_val - now;
+	}
+	lastdec = now;
+
+	return timestamp;
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+	/* We overrun in 100s */
+	return (ulong)(timer_load_val / 100);
+}
+
+ulong get_timer_masked(void)
+{
+	unsigned long long res = get_ticks();
+	do_div (res, (timer_load_val / (100 * CONFIG_SYS_HZ)));
+	return res;
+}
+
+ulong get_timer(ulong base)
+{
+	return get_timer_masked() - base;
+}
+
+void __udelay(unsigned long usec)
+{
+	unsigned long long tmp;
+	ulong tmo;
+
+	tmo = (usec + 9) / 10;
+	tmp = get_ticks() + tmo;	/* get current timestamp */
+
+	while (get_ticks() < tmp)/* loop till event */
+		 /*NOP*/;
+}

arch/arm/cpu/arm1176/start.S

@@ -0,0 +1,578 @@
+/*
+ *  armboot - Startup Code for ARM1176 CPU-core
+ *
+ * Copyright (c) 2007	Samsung Electronics
+ *
+ * Copyright (C) 2008
+ * Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ * 2007-09-21 - Restructured codes by jsgood (jsgood.yang@samsung.com)
+ * 2007-09-21 - Added MoviNAND and OneNAND boot codes by
+ * jsgood (jsgood.yang@samsung.com)
+ * Base codes by scsuh (sc.suh)
+ */
+
+#include <asm-offsets.h>
+#include <config.h>
+#include <version.h>
+#ifdef CONFIG_ENABLE_MMU
+#include <asm/proc/domain.h>
+#endif
+
+#if !defined(CONFIG_ENABLE_MMU) && !defined(CONFIG_SYS_PHY_UBOOT_BASE)
+#define CONFIG_SYS_PHY_UBOOT_BASE	CONFIG_SYS_UBOOT_BASE
+#endif
+
+/*
+ *************************************************************************
+ *
+ * Jump vector table as in table 3.1 in [1]
+ *
+ *************************************************************************
+ */
+
+.globl _start
+_start: b	reset
+#ifndef CONFIG_NAND_SPL
+	ldr	pc, _undefined_instruction
+	ldr	pc, _software_interrupt
+	ldr	pc, _prefetch_abort
+	ldr	pc, _data_abort
+	ldr	pc, _not_used
+	ldr	pc, _irq
+	ldr	pc, _fiq
+
+_undefined_instruction:
+	.word undefined_instruction
+_software_interrupt:
+	.word software_interrupt
+_prefetch_abort:
+	.word prefetch_abort
+_data_abort:
+	.word data_abort
+_not_used:
+	.word not_used
+_irq:
+	.word irq
+_fiq:
+	.word fiq
+_pad:
+	.word 0x12345678 /* now 16*4=64 */
+#else
+	. = _start + 64
+#endif
+
+.global _end_vect
+_end_vect:
+	.balignl 16,0xdeadbeef
+/*
+ *************************************************************************
+ *
+ * Startup Code (reset vector)
+ *
+ * do important init only if we don't start from memory!
+ * setup Memory and board specific bits prior to relocation.
+ * relocate armboot to ram
+ * setup stack
+ *
+ *************************************************************************
+ */
+
+.globl _TEXT_BASE
+_TEXT_BASE:
+	.word	CONFIG_SYS_TEXT_BASE
+
+/*
+ * Below variable is very important because we use MMU in U-Boot.
+ * Without it, we cannot run code correctly before MMU is ON.
+ * by scsuh.
+ */
+_TEXT_PHY_BASE:
+	.word	CONFIG_SYS_PHY_UBOOT_BASE
+
+/*
+ * These are defined in the board-specific linker script.
+ * Subtracting _start from them lets the linker put their
+ * relative position in the executable instead of leaving
+ * them null.
+ */
+
+.globl _bss_start_ofs
+_bss_start_ofs:
+	.word __bss_start - _start
+
+.globl _bss_end_ofs
+_bss_end_ofs:
+	.word __bss_end__ - _start
+
+.globl _end_ofs
+_end_ofs:
+	.word _end - _start
+
+/* IRQ stack memory (calculated at run-time) + 8 bytes */
+.globl IRQ_STACK_START_IN
+IRQ_STACK_START_IN:
+	.word	0x0badc0de
+
+/*
+ * the actual reset code
+ */
+
+reset:
+	/*
+	 * set the cpu to SVC32 mode
+	 */
+	mrs	r0, cpsr
+	bic	r0, r0, #0x3f
+	orr	r0, r0, #0xd3
+	msr	cpsr, r0
+
+/*
+ *************************************************************************
+ *
+ * CPU_init_critical registers
+ *
+ * setup important registers
+ * setup memory timing
+ *
+ *************************************************************************
+ */
+	/*
+	 * we do sys-critical inits only at reboot,
+	 * not when booting from ram!
+	 */
+cpu_init_crit:
+	/*
+	 * When booting from NAND - it has definitely been a reset, so, no need
+	 * to flush caches and disable the MMU
+	 */
+#ifndef CONFIG_NAND_SPL
+	/*
+	 * flush v4 I/D caches
+	 */
+	mov	r0, #0
+	mcr	p15, 0, r0, c7, c7, 0	/* flush v3/v4 cache */
+	mcr	p15, 0, r0, c8, c7, 0	/* flush v4 TLB */
+
+	/*
+	 * disable MMU stuff and caches
+	 */
+	mrc	p15, 0, r0, c1, c0, 0
+	bic	r0, r0, #0x00002300	@ clear bits 13, 9:8 (--V- --RS)
+	bic	r0, r0, #0x00000087	@ clear bits 7, 2:0 (B--- -CAM)
+	orr	r0, r0, #0x00000002	@ set bit 2 (A) Align
+	orr	r0, r0, #0x00001000	@ set bit 12 (I) I-Cache
+
+	/* Prepare to disable the MMU */
+	adr	r2, mmu_disable_phys
+	sub	r2, r2, #(CONFIG_SYS_PHY_UBOOT_BASE - CONFIG_SYS_TEXT_BASE)
+	b	mmu_disable
+
+	.align 5
+	/* Run in a single cache-line */
+mmu_disable:
+	mcr	p15, 0, r0, c1, c0, 0
+	nop
+	nop
+	mov	pc, r2
+mmu_disable_phys:
+
+#ifdef CONFIG_DISABLE_TCM
+	/*
+	 * Disable the TCMs
+	 */
+	mrc	p15, 0, r0, c0, c0, 2	/* Return TCM details */
+	cmp	r0, #0
+	beq	skip_tcmdisable
+	mov	r1, #0
+	mov	r2, #1
+	tst	r0, r2
+	mcrne	p15, 0, r1, c9, c1, 1	/* Disable Instruction TCM if present*/
+	tst	r0, r2, LSL #16
+	mcrne	p15, 0, r1, c9, c1, 0	/* Disable Data TCM if present*/
+skip_tcmdisable:
+#endif
+#endif
+
+#ifdef CONFIG_PERIPORT_REMAP
+	/* Peri port setup */
+	ldr	r0, =CONFIG_PERIPORT_BASE
+	orr	r0, r0, #CONFIG_PERIPORT_SIZE
+	mcr	p15,0,r0,c15,c2,4
+#endif
+
+	/*
+	 * Go setup Memory and board specific bits prior to relocation.
+	 */
+	bl	lowlevel_init		/* go setup pll,mux,memory */
+
+/* Set stackpointer in internal RAM to call board_init_f */
+call_board_init_f:
+	ldr	sp, =(CONFIG_SYS_INIT_SP_ADDR)
+	bic	sp, sp, #7 /* 8-byte alignment for ABI compliance */
+	ldr	r0,=0x00000000
+	bl	board_init_f
+
+/*------------------------------------------------------------------------------*/
+
+/*
+ * void relocate_code (addr_sp, gd, addr_moni)
+ *
+ * This "function" does not return, instead it continues in RAM
+ * after relocating the monitor code.
+ *
+ */
+	.globl	relocate_code
+relocate_code:
+	mov	r4, r0	/* save addr_sp */
+	mov	r5, r1	/* save addr of gd */
+	mov	r6, r2	/* save addr of destination */
+
+	/* Set up the stack						    */
+stack_setup:
+	mov	sp, r4
+
+	adr	r0, _start
+	cmp	r0, r6
+	beq	clear_bss		/* skip relocation */
+	mov	r1, r6			/* r1 <- scratch for copy_loop */
+	ldr	r3, _bss_start_ofs
+	add	r2, r0, r3		/* r2 <- source end address	    */
+
+copy_loop:
+	ldmia	r0!, {r9-r10}		/* copy from source address [r0]    */
+	stmia	r1!, {r9-r10}		/* copy to   target address [r1]    */
+	cmp	r0, r2			/* until source end address [r2]    */
+	blo	copy_loop
+
+#ifndef CONFIG_SPL_BUILD
+	/*
+	 * fix .rel.dyn relocations
+	 */
+	ldr	r0, _TEXT_BASE		/* r0 <- Text base */
+	sub	r9, r6, r0		/* r9 <- relocation offset */
+	ldr	r10, _dynsym_start_ofs	/* r10 <- sym table ofs */
+	add	r10, r10, r0		/* r10 <- sym table in FLASH */
+	ldr	r2, _rel_dyn_start_ofs	/* r2 <- rel dyn start ofs */
+	add	r2, r2, r0		/* r2 <- rel dyn start in FLASH */
+	ldr	r3, _rel_dyn_end_ofs	/* r3 <- rel dyn end ofs */
+	add	r3, r3, r0		/* r3 <- rel dyn end in FLASH */
+fixloop:
+	ldr	r0, [r2]		/* r0 <- location to fix up, IN FLASH! */
+	add	r0, r0, r9		/* r0 <- location to fix up in RAM */
+	ldr	r1, [r2, #4]
+	and	r7, r1, #0xff
+	cmp	r7, #23			/* relative fixup? */
+	beq	fixrel
+	cmp	r7, #2			/* absolute fixup? */
+	beq	fixabs
+	/* ignore unknown type of fixup */
+	b	fixnext
+fixabs:
+	/* absolute fix: set location to (offset) symbol value */
+	mov	r1, r1, LSR #4		/* r1 <- symbol index in .dynsym */
+	add	r1, r10, r1		/* r1 <- address of symbol in table */
+	ldr	r1, [r1, #4]		/* r1 <- symbol value */
+	add	r1, r1, r9		/* r1 <- relocated sym addr */
+	b	fixnext
+fixrel:
+	/* relative fix: increase location by offset */
+	ldr	r1, [r0]
+	add	r1, r1, r9
+fixnext:
+	str	r1, [r0]
+	add	r2, r2, #8		/* each rel.dyn entry is 8 bytes */
+	cmp	r2, r3
+	blo	fixloop
+#endif
+
+#ifdef CONFIG_ENABLE_MMU
+enable_mmu:
+	/* enable domain access */
+	ldr	r5, =0x0000ffff
+	mcr	p15, 0, r5, c3, c0, 0	/* load domain access register */
+
+	/* Set the TTB register */
+	ldr	r0, _mmu_table_base
+	ldr	r1, =CONFIG_SYS_PHY_UBOOT_BASE
+	ldr	r2, =0xfff00000
+	bic	r0, r0, r2
+	orr	r1, r0, r1
+	mcr	p15, 0, r1, c2, c0, 0
+
+	/* Enable the MMU */
+	mrc	p15, 0, r0, c1, c0, 0
+	orr	r0, r0, #1		/* Set CR_M to enable MMU */
+
+	/* Prepare to enable the MMU */
+	adr	r1, skip_hw_init
+	and	r1, r1, #0x3fc
+	ldr	r2, _TEXT_BASE
+	ldr	r3, =0xfff00000
+	and	r2, r2, r3
+	orr	r2, r2, r1
+	b	mmu_enable
+
+	.align 5
+	/* Run in a single cache-line */
+mmu_enable:
+
+	mcr	p15, 0, r0, c1, c0, 0
+	nop
+	nop
+	mov	pc, r2
+skip_hw_init:
+#endif
+
+clear_bss:
+#ifndef CONFIG_SPL_BUILD
+	ldr	r0, _bss_start_ofs
+	ldr	r1, _bss_end_ofs
+	mov	r4, r6			/* reloc addr */
+	add	r0, r0, r4
+	add	r1, r1, r4
+	mov	r2, #0x00000000		/* clear			    */
+
+clbss_l:str	r2, [r0]		/* clear loop...		    */
+	add	r0, r0, #4
+	cmp	r0, r1
+	bne	clbss_l
+
+#ifndef CONFIG_NAND_SPL
+	bl coloured_LED_init
+	bl red_led_on
+#endif
+#endif
+
+/*
+ * We are done. Do not return, instead branch to second part of board
+ * initialization, now running from RAM.
+ */
+#ifdef CONFIG_NAND_SPL
+	ldr     pc, _nand_boot
+
+_nand_boot: .word nand_boot
+#else
+	ldr	r0, _board_init_r_ofs
+	adr	r1, _start
+	add	lr, r0, r1
+	add     lr, lr, r9
+	/* setup parameters for board_init_r */
+	mov	r0, r5		/* gd_t */
+	mov	r1, r6		/* dest_addr */
+	/* jump to it ... */
+	mov	pc, lr
+
+_board_init_r_ofs:
+	.word board_init_r - _start
+#endif
+
+_rel_dyn_start_ofs:
+	.word __rel_dyn_start - _start
+_rel_dyn_end_ofs:
+	.word __rel_dyn_end - _start
+_dynsym_start_ofs:
+	.word __dynsym_start - _start
+
+#ifdef CONFIG_ENABLE_MMU
+_mmu_table_base:
+	.word mmu_table
+#endif
+
+#ifndef CONFIG_NAND_SPL
+/*
+ * we assume that cache operation is done before. (eg. cleanup_before_linux())
+ * actually, we don't need to do anything about cache if not use d-cache in
+ * U-Boot. So, in this function we clean only MMU. by scsuh
+ *
+ * void	theLastJump(void *kernel, int arch_num, uint boot_params);
+ */
+#ifdef CONFIG_ENABLE_MMU
+	.globl theLastJump
+theLastJump:
+	mov	r9, r0
+	ldr	r3, =0xfff00000
+	ldr	r4, _TEXT_PHY_BASE
+	adr	r5, phy_last_jump
+	bic	r5, r5, r3
+	orr	r5, r5, r4
+	mov	pc, r5
+phy_last_jump:
+	/*
+	 * disable MMU stuff
+	 */
+	mrc	p15, 0, r0, c1, c0, 0
+	bic	r0, r0, #0x00002300	/* clear bits 13, 9:8 (--V- --RS) */
+	bic	r0, r0, #0x00000087	/* clear bits 7, 2:0 (B--- -CAM) */
+	orr	r0, r0, #0x00000002	/* set bit 2 (A) Align */
+	orr	r0, r0, #0x00001000	/* set bit 12 (I) I-Cache */
+	mcr	p15, 0, r0, c1, c0, 0
+
+	mcr	p15, 0, r0, c8, c7, 0	/* flush v4 TLB */
+
+	mov	r0, #0
+	mov	pc, r9
+#endif
+
+
+/*
+ *************************************************************************
+ *
+ * Interrupt handling
+ *
+ *************************************************************************
+ */
+@
+@ IRQ stack frame.
+@
+#define S_FRAME_SIZE	72
+
+#define S_OLD_R0	68
+#define S_PSR		64
+#define S_PC		60
+#define S_LR		56
+#define S_SP		52
+
+#define S_IP		48
+#define S_FP		44
+#define S_R10		40
+#define S_R9		36
+#define S_R8		32
+#define S_R7		28
+#define S_R6		24
+#define S_R5		20
+#define S_R4		16
+#define S_R3		12
+#define S_R2		8
+#define S_R1		4
+#define S_R0		0
+
+#define MODE_SVC 0x13
+#define I_BIT	 0x80
+
+/*
+ * use bad_save_user_regs for abort/prefetch/undef/swi ...
+ */
+
+	.macro	bad_save_user_regs
+	/* carve out a frame on current user stack */
+	sub	sp, sp, #S_FRAME_SIZE
+	/* Save user registers (now in svc mode) r0-r12 */
+	stmia	sp, {r0 - r12}
+
+	ldr	r2, IRQ_STACK_START_IN
+	/* get values for "aborted" pc and cpsr (into parm regs) */
+	ldmia	r2, {r2 - r3}
+	/* grab pointer to old stack */
+	add	r0, sp, #S_FRAME_SIZE
+
+	add	r5, sp, #S_SP
+	mov	r1, lr
+	/* save sp_SVC, lr_SVC, pc, cpsr */
+	stmia	r5, {r0 - r3}
+	/* save current stack into r0 (param register) */
+	mov	r0, sp
+	.endm
+
+	.macro get_bad_stack
+	ldr	r13, IRQ_STACK_START_IN		@ setup our mode stack
+
+	/* save caller lr in position 0 of saved stack */
+	str	lr, [r13]
+	/* get the spsr */
+	mrs	lr, spsr
+	/* save spsr in position 1 of saved stack */
+	str	lr, [r13, #4]
+
+	/* prepare SVC-Mode */
+	mov	r13, #MODE_SVC
+	@ msr	spsr_c, r13
+	/* switch modes, make sure moves will execute */
+	msr	spsr, r13
+	/* capture return pc */
+	mov	lr, pc
+	/* jump to next instruction & switch modes. */
+	movs	pc, lr
+	.endm
+
+	.macro get_bad_stack_swi
+	/* space on current stack for scratch reg. */
+	sub	r13, r13, #4
+	/* save R0's value. */
+	str	r0, [r13]
+	ldr	r13, IRQ_STACK_START_IN		@ setup our mode stack
+	/* save caller lr in position 0 of saved stack */
+	str	lr, [r0]
+	/* get the spsr */
+	mrs	r0, spsr
+	/* save spsr in position 1 of saved stack */
+	str	lr, [r0, #4]
+	/* restore r0 */
+	ldr	r0, [r13]
+	/* pop stack entry */
+	add	r13, r13, #4
+	.endm
+
+/*
+ * exception handlers
+ */
+	.align	5
+undefined_instruction:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_undefined_instruction
+
+	.align	5
+software_interrupt:
+	get_bad_stack_swi
+	bad_save_user_regs
+	bl	do_software_interrupt
+
+	.align	5
+prefetch_abort:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_prefetch_abort
+
+	.align	5
+data_abort:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_data_abort
+
+	.align	5
+not_used:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_not_used
+
+	.align	5
+irq:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_irq
+
+	.align	5
+fiq:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_fiq
+#endif /* CONFIG_NAND_SPL */

arch/arm/cpu/arm1176/tnetv107x/Makefile

@@ -0,0 +1,44 @@
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).o
+
+COBJS	+= aemif.o clock.o init.o mux.o timer.o wdt.o
+SOBJS	+= lowlevel_init.o
+
+SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
+
+OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+START	:= $(addprefix $(obj),$(START))
+
+all:	$(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

arch/arm/cpu/arm1176/tnetv107x/aemif.c

@@ -0,0 +1,93 @@
+/*
+ * TNETV107X: Asynchronous EMIF Configuration
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/mux.h>
+
+#define ASYNC_EMIF_BASE			TNETV107X_ASYNC_EMIF_CNTRL_BASE
+#define ASYNC_EMIF_CONFIG(cs)		(ASYNC_EMIF_BASE+0x10+(cs)*4)
+#define ASYNC_EMIF_ONENAND_CONTROL	(ASYNC_EMIF_BASE+0x5c)
+#define ASYNC_EMIF_NAND_CONTROL		(ASYNC_EMIF_BASE+0x60)
+#define ASYNC_EMIF_WAITCYCLE_CONFIG	(ASYNC_EMIF_BASE+0x4)
+
+#define CONFIG_SELECT_STROBE(v)		((v) ? 1 << 31 : 0)
+#define CONFIG_EXTEND_WAIT(v)		((v) ? 1 << 30 : 0)
+#define CONFIG_WR_SETUP(v)		(((v) & 0x0f) << 26)
+#define CONFIG_WR_STROBE(v)		(((v) & 0x3f) << 20)
+#define CONFIG_WR_HOLD(v)		(((v) & 0x07) << 17)
+#define CONFIG_RD_SETUP(v)		(((v) & 0x0f) << 13)
+#define CONFIG_RD_STROBE(v)		(((v) & 0x3f) << 7)
+#define CONFIG_RD_HOLD(v)		(((v) & 0x07) << 4)
+#define CONFIG_TURN_AROUND(v)		(((v) & 0x03) << 2)
+#define CONFIG_WIDTH(v)			(((v) & 0x03) << 0)
+
+#define NUM_CS				4
+
+#define set_config_field(reg, field, val)			\
+	do {							\
+		if (val != -1) {				\
+			reg &= ~CONFIG_##field(0xffffffff);	\
+			reg |=	CONFIG_##field(val);		\
+		}						\
+	} while (0)
+
+void configure_async_emif(int cs, struct async_emif_config *cfg)
+{
+	unsigned long tmp;
+
+	if (cfg->mode == ASYNC_EMIF_MODE_NAND) {
+		tmp = __raw_readl(ASYNC_EMIF_NAND_CONTROL);
+		tmp |= (1 << cs);
+		__raw_writel(tmp, ASYNC_EMIF_NAND_CONTROL);
+
+	} else if (cfg->mode == ASYNC_EMIF_MODE_ONENAND) {
+		tmp = __raw_readl(ASYNC_EMIF_ONENAND_CONTROL);
+		tmp |= (1 << cs);
+		__raw_writel(tmp, ASYNC_EMIF_ONENAND_CONTROL);
+	}
+
+	tmp = __raw_readl(ASYNC_EMIF_CONFIG(cs));
+
+	set_config_field(tmp, SELECT_STROBE,	cfg->select_strobe);
+	set_config_field(tmp, EXTEND_WAIT,	cfg->extend_wait);
+	set_config_field(tmp, WR_SETUP,		cfg->wr_setup);
+	set_config_field(tmp, WR_STROBE,	cfg->wr_strobe);
+	set_config_field(tmp, WR_HOLD,		cfg->wr_hold);
+	set_config_field(tmp, RD_SETUP,		cfg->rd_setup);
+	set_config_field(tmp, RD_STROBE,	cfg->rd_strobe);
+	set_config_field(tmp, RD_HOLD,		cfg->rd_hold);
+	set_config_field(tmp, TURN_AROUND,	cfg->turn_around);
+	set_config_field(tmp, WIDTH,		cfg->width);
+
+	__raw_writel(tmp, ASYNC_EMIF_CONFIG(cs));
+}
+
+void init_async_emif(int num_cs, struct async_emif_config *config)
+{
+	int cs;
+
+	clk_enable(TNETV107X_LPSC_AEMIF);
+
+	for (cs = 0; cs < num_cs; cs++)
+		configure_async_emif(cs, config + cs);
+}

arch/arm/cpu/arm1176/tnetv107x/clock.c

@@ -0,0 +1,451 @@
+/*
+ * TNETV107X: Clock management APIs
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <asm-generic/errno.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+#include <asm/arch/clock.h>
+
+#define CLOCK_BASE		TNETV107X_CLOCK_CONTROL_BASE
+#define PSC_BASE		TNETV107X_PSC_BASE
+
+#define BIT(x)			(1 << (x))
+
+#define MAX_PREDIV		64
+#define MAX_POSTDIV		8
+#define MAX_MULT		512
+#define MAX_DIV			(MAX_PREDIV * MAX_POSTDIV)
+
+/* LPSC registers */
+#define PSC_PTCMD		0x120
+#define PSC_PTSTAT		0x128
+#define PSC_MDSTAT(n)		(0x800 + (n) * 4)
+#define PSC_MDCTL(n)		(0xA00 + (n) * 4)
+
+#define PSC_MDCTL_LRSTZ		BIT(8)
+
+#define psc_reg_read(reg)	__raw_readl((u32 *)(PSC_BASE + (reg)))
+#define psc_reg_write(reg, val)	__raw_writel(val, (u32 *)(PSC_BASE + (reg)))
+
+/* SSPLL registers */
+struct sspll_regs {
+	u32	modes;
+	u32	postdiv;
+	u32	prediv;
+	u32	mult_factor;
+	u32	divider_range;
+	u32	bw_divider;
+	u32	spr_amount;
+	u32	spr_rate_div;
+	u32	diag;
+};
+
+/* SSPLL base addresses */
+static struct sspll_regs *sspll_regs[] = {
+	(struct sspll_regs *)(CLOCK_BASE + 0x040),
+	(struct sspll_regs *)(CLOCK_BASE + 0x080),
+	(struct sspll_regs *)(CLOCK_BASE + 0x0c0),
+};
+
+#define sspll_reg(pll, reg)		(&(sspll_regs[pll]->reg))
+#define sspll_reg_read(pll, reg)	__raw_readl(sspll_reg(pll, reg))
+#define sspll_reg_write(pll, reg, val)	__raw_writel(val, sspll_reg(pll, reg))
+
+
+/* PLL Control Registers */
+struct pllctl_regs {
+	u32	ctl;		/* 00 */
+	u32	ocsel;		/* 04 */
+	u32	secctl;		/* 08 */
+	u32	__pad0;
+	u32	mult;		/* 10 */
+	u32	prediv;		/* 14 */
+	u32	div1;		/* 18 */
+	u32	div2;		/* 1c */
+	u32	div3;		/* 20 */
+	u32	oscdiv1;	/* 24 */
+	u32	postdiv;	/* 28 */
+	u32	bpdiv;		/* 2c */
+	u32	wakeup;		/* 30 */
+	u32	__pad1;
+	u32	cmd;		/* 38 */
+	u32	stat;		/* 3c */
+	u32	alnctl;		/* 40 */
+	u32	dchange;	/* 44 */
+	u32	cken;		/* 48 */
+	u32	ckstat;		/* 4c */
+	u32	systat;		/* 50 */
+	u32	ckctl;		/* 54 */
+	u32	__pad2[2];
+	u32	div4;		/* 60 */
+	u32	div5;		/* 64 */
+	u32	div6;		/* 68 */
+	u32	div7;		/* 6c */
+	u32	div8;		/* 70 */
+};
+
+struct lpsc_map {
+	int	pll, div;
+};
+
+static struct pllctl_regs *pllctl_regs[] = {
+	(struct pllctl_regs *)(CLOCK_BASE + 0x700),
+	(struct pllctl_regs *)(CLOCK_BASE + 0x300),
+	(struct pllctl_regs *)(CLOCK_BASE + 0x500),
+};
+
+#define pllctl_reg(pll, reg)		(&(pllctl_regs[pll]->reg))
+#define pllctl_reg_read(pll, reg)	__raw_readl(pllctl_reg(pll, reg))
+#define pllctl_reg_write(pll, reg, val)	__raw_writel(val, pllctl_reg(pll, reg))
+
+#define pllctl_reg_rmw(pll, reg, mask, val)			\
+	pllctl_reg_write(pll, reg,				\
+		(pllctl_reg_read(pll, reg) & ~(mask)) | val)
+
+#define pllctl_reg_setbits(pll, reg, mask)			\
+	pllctl_reg_rmw(pll, reg, 0, mask)
+
+#define pllctl_reg_clrbits(pll, reg, mask)			\
+	pllctl_reg_rmw(pll, reg, mask, 0)
+
+/* PLLCTL Bits */
+#define PLLCTL_CLKMODE		BIT(8)
+#define PLLCTL_PLLSELB		BIT(7)
+#define PLLCTL_PLLENSRC		BIT(5)
+#define PLLCTL_PLLDIS		BIT(4)
+#define PLLCTL_PLLRST		BIT(3)
+#define PLLCTL_PLLPWRDN		BIT(1)
+#define PLLCTL_PLLEN		BIT(0)
+
+#define PLLDIV_ENABLE		BIT(15)
+
+static int pll_div_offset[] = {
+#define div_offset(reg)	offsetof(struct pllctl_regs, reg)
+	div_offset(div1), div_offset(div2), div_offset(div3),
+	div_offset(div4), div_offset(div5), div_offset(div6),
+	div_offset(div7), div_offset(div8),
+};
+
+static unsigned long pll_bypass_mask[] = { 1, 4, 2 };
+static unsigned long pll_div_mask[] = { 0x01ff, 0x00ff, 0x00ff };
+
+/* Mappings from PLL+DIV to subsystem clocks */
+#define sys_arm1176_clk		{SYS_PLL, 0}
+#define sys_dsp_clk		{SYS_PLL, 1}
+#define sys_ddr_clk		{SYS_PLL, 2}
+#define sys_full_clk		{SYS_PLL, 3}
+#define sys_lcd_clk		{SYS_PLL, 4}
+#define sys_vlynq_ref_clk	{SYS_PLL, 5}
+#define sys_tsc_clk		{SYS_PLL, 6}
+#define sys_half_clk		{SYS_PLL, 7}
+
+#define eth_clk_5		{ETH_PLL, 0}
+#define eth_clk_50		{ETH_PLL, 1}
+#define eth_clk_125		{ETH_PLL, 2}
+#define eth_clk_250		{ETH_PLL, 3}
+#define eth_clk_25		{ETH_PLL, 4}
+
+#define tdm_clk			{TDM_PLL, 0}
+#define tdm_extra_clk		{TDM_PLL, 1}
+#define tdm1_clk		{TDM_PLL, 2}
+
+/* Optimization barrier */
+#define barrier()	\
+	__asm__ __volatile__("mov r0, r0\n" : : : "memory");
+
+static const struct lpsc_map lpsc_clk_map[] = {
+	[TNETV107X_LPSC_ARM]			= sys_arm1176_clk,
+	[TNETV107X_LPSC_GEM]			= sys_dsp_clk,
+	[TNETV107X_LPSC_DDR2_PHY]		= sys_ddr_clk,
+	[TNETV107X_LPSC_TPCC]			= sys_full_clk,
+	[TNETV107X_LPSC_TPTC0]			= sys_full_clk,
+	[TNETV107X_LPSC_TPTC1]			= sys_full_clk,
+	[TNETV107X_LPSC_RAM]			= sys_full_clk,
+	[TNETV107X_LPSC_MBX_LITE]		= sys_arm1176_clk,
+	[TNETV107X_LPSC_LCD]			= sys_lcd_clk,
+	[TNETV107X_LPSC_ETHSS]			= eth_clk_125,
+	[TNETV107X_LPSC_AEMIF]			= sys_full_clk,
+	[TNETV107X_LPSC_CHIP_CFG]		= sys_half_clk,
+	[TNETV107X_LPSC_TSC]			= sys_tsc_clk,
+	[TNETV107X_LPSC_ROM]			= sys_half_clk,
+	[TNETV107X_LPSC_UART2]			= sys_half_clk,
+	[TNETV107X_LPSC_PKTSEC]			= sys_half_clk,
+	[TNETV107X_LPSC_SECCTL]			= sys_half_clk,
+	[TNETV107X_LPSC_KEYMGR]			= sys_half_clk,
+	[TNETV107X_LPSC_KEYPAD]			= sys_half_clk,
+	[TNETV107X_LPSC_GPIO]			= sys_half_clk,
+	[TNETV107X_LPSC_MDIO]			= sys_half_clk,
+	[TNETV107X_LPSC_SDIO0]			= sys_half_clk,
+	[TNETV107X_LPSC_UART0]			= sys_half_clk,
+	[TNETV107X_LPSC_UART1]			= sys_half_clk,
+	[TNETV107X_LPSC_TIMER0]			= sys_half_clk,
+	[TNETV107X_LPSC_TIMER1]			= sys_half_clk,
+	[TNETV107X_LPSC_WDT_ARM]		= sys_half_clk,
+	[TNETV107X_LPSC_WDT_DSP]		= sys_half_clk,
+	[TNETV107X_LPSC_SSP]			= sys_half_clk,
+	[TNETV107X_LPSC_TDM0]			= tdm_clk,
+	[TNETV107X_LPSC_VLYNQ]			= sys_vlynq_ref_clk,
+	[TNETV107X_LPSC_MCDMA]			= sys_half_clk,
+	[TNETV107X_LPSC_USB0]			= sys_half_clk,
+	[TNETV107X_LPSC_TDM1]			= tdm1_clk,
+	[TNETV107X_LPSC_DEBUGSS]		= sys_half_clk,
+	[TNETV107X_LPSC_ETHSS_RGMII]		= eth_clk_250,
+	[TNETV107X_LPSC_SYSTEM]			= sys_half_clk,
+	[TNETV107X_LPSC_IMCOP]			= sys_dsp_clk,
+	[TNETV107X_LPSC_SPARE]			= sys_half_clk,
+	[TNETV107X_LPSC_SDIO1]			= sys_half_clk,
+	[TNETV107X_LPSC_USB1]			= sys_half_clk,
+	[TNETV107X_LPSC_USBSS]			= sys_half_clk,
+	[TNETV107X_LPSC_DDR2_EMIF1_VRST]	= sys_ddr_clk,
+	[TNETV107X_LPSC_DDR2_EMIF2_VCTL_RST]	= sys_ddr_clk,
+};
+
+static const unsigned long pll_ext_freq[] = {
+	[SYS_PLL] = CONFIG_PLL_SYS_EXT_FREQ,
+	[ETH_PLL] = CONFIG_PLL_ETH_EXT_FREQ,
+	[TDM_PLL] = CONFIG_PLL_TDM_EXT_FREQ,
+};
+
+static unsigned long pll_freq_get(int pll)
+{
+	unsigned long mult = 1, prediv = 1, postdiv = 1;
+	unsigned long ref = CONFIG_SYS_INT_OSC_FREQ;
+	unsigned long ret;
+	u32 bypass;
+
+	bypass = __raw_readl((u32 *)(CLOCK_BASE));
+	if (!(bypass & pll_bypass_mask[pll])) {
+		mult	= sspll_reg_read(pll, mult_factor);
+		prediv	= sspll_reg_read(pll, prediv) + 1;
+		postdiv	= sspll_reg_read(pll, postdiv) + 1;
+	}
+
+	if (pllctl_reg_read(pll, ctl) & PLLCTL_CLKMODE)
+		ref = pll_ext_freq[pll];
+
+	if (!(pllctl_reg_read(pll, ctl) & PLLCTL_PLLEN))
+		return ref;
+
+	ret = (unsigned long)(ref + ((unsigned long long)ref * mult) / 256);
+	ret /= (prediv * postdiv);
+
+	return ret;
+}
+
+static unsigned long __pll_div_freq_get(int pll, unsigned int fpll,
+					int div)
+{
+	int divider = 1;
+	unsigned long divreg;
+
+	divreg = __raw_readl((void *)pllctl_regs[pll] + pll_div_offset[div]);
+
+	if (divreg & PLLDIV_ENABLE)
+		divider = (divreg & pll_div_mask[pll]) + 1;
+
+	return fpll / divider;
+}
+
+static unsigned long pll_div_freq_get(int pll, int div)
+{
+	unsigned int fpll = pll_freq_get(pll);
+
+	return __pll_div_freq_get(pll, fpll, div);
+}
+
+static void __pll_div_freq_set(int pll, unsigned int fpll, int div,
+			       unsigned long hz)
+{
+	int divider = (fpll / hz - 1);
+
+	divider &= pll_div_mask[pll];
+	divider |= PLLDIV_ENABLE;
+
+	__raw_writel(divider, (void *)pllctl_regs[pll] + pll_div_offset[div]);
+	pllctl_reg_setbits(pll, alnctl, (1 << div));
+	pllctl_reg_setbits(pll, dchange, (1 << div));
+}
+
+static unsigned long pll_div_freq_set(int pll, int div, unsigned long hz)
+{
+	unsigned int fpll = pll_freq_get(pll);
+
+	__pll_div_freq_set(pll, fpll, div, hz);
+
+	pllctl_reg_write(pll, cmd, 1);
+
+	/* Wait until new divider takes effect */
+	while (pllctl_reg_read(pll, stat) & 0x01);
+
+	return __pll_div_freq_get(pll, fpll, div);
+}
+
+unsigned long clk_get_rate(unsigned int clk)
+{
+	return pll_div_freq_get(lpsc_clk_map[clk].pll, lpsc_clk_map[clk].div);
+}
+
+unsigned long clk_round_rate(unsigned int clk, unsigned long hz)
+{
+	unsigned long fpll, divider, pll;
+
+	pll = lpsc_clk_map[clk].pll;
+	fpll = pll_freq_get(pll);
+	divider = (fpll / hz - 1);
+	divider &= pll_div_mask[pll];
+
+	return fpll / (divider + 1);
+}
+
+int clk_set_rate(unsigned int clk, unsigned long _hz)
+{
+	unsigned long hz;
+
+	hz = clk_round_rate(clk, _hz);
+	if (hz != _hz)
+		return -EINVAL;	/* Cannot set to target freq */
+
+	pll_div_freq_set(lpsc_clk_map[clk].pll, lpsc_clk_map[clk].div, hz);
+	return 0;
+}
+
+void lpsc_control(int mod, unsigned long state, int lrstz)
+{
+	u32 mdctl;
+
+	mdctl = psc_reg_read(PSC_MDCTL(mod));
+	mdctl &= ~0x1f;
+	mdctl |= state;
+
+	if (lrstz == 0)
+		mdctl &= ~PSC_MDCTL_LRSTZ;
+	else if (lrstz == 1)
+		mdctl |= PSC_MDCTL_LRSTZ;
+
+	psc_reg_write(PSC_MDCTL(mod), mdctl);
+
+	psc_reg_write(PSC_PTCMD, 1);
+
+	/* wait for power domain transition to end */
+	while (psc_reg_read(PSC_PTSTAT) & 1);
+
+	/* Wait for module state change */
+	while ((psc_reg_read(PSC_MDSTAT(mod)) & 0x1f) != state);
+}
+
+int lpsc_status(unsigned int id)
+{
+	return psc_reg_read(PSC_MDSTAT(id)) & 0x1f;
+}
+
+static void init_pll(const struct pll_init_data *data)
+{
+	unsigned long fpll;
+	unsigned long best_pre = 0, best_post = 0, best_mult = 0;
+	unsigned long div, prediv, postdiv, mult;
+	unsigned long delta, actual;
+	long best_delta = -1;
+	int i;
+	u32 tmp;
+
+	if (data->pll == SYS_PLL)
+		return; /* cannot reconfigure system pll on the fly */
+
+	tmp = pllctl_reg_read(data->pll, ctl);
+	if (data->internal_osc) {
+		tmp &= ~PLLCTL_CLKMODE;
+		fpll = CONFIG_SYS_INT_OSC_FREQ;
+	} else {
+		tmp |= PLLCTL_CLKMODE;
+		fpll = pll_ext_freq[data->pll];
+	}
+	pllctl_reg_write(data->pll, ctl, tmp);
+
+	mult = data->pll_freq / fpll;
+	for (mult = MAX(mult, 1); mult <= MAX_MULT; mult++) {
+		div = (fpll * mult) / data->pll_freq;
+		if (div < 1 || div > MAX_DIV)
+			continue;
+
+		for (postdiv = 1; postdiv <= min(div, MAX_POSTDIV); postdiv++) {
+			prediv = div / postdiv;
+			if (prediv < 1 || prediv > MAX_PREDIV)
+				continue;
+
+			actual = (fpll / prediv) * (mult / postdiv);
+			delta = (actual - data->pll_freq);
+			if (delta < 0)
+				delta = -delta;
+			if ((delta < best_delta) || (best_delta == -1)) {
+				best_delta = delta;
+				best_mult = mult;
+				best_pre = prediv;
+				best_post = postdiv;
+				if (delta == 0)
+					goto done;
+			}
+		}
+	}
+done:
+
+	if (best_delta == -1) {
+		printf("pll cannot derive %lu from %lu\n",
+				data->pll_freq, fpll);
+		return;
+	}
+
+	fpll = fpll * best_mult;
+	fpll /= best_pre * best_post;
+
+	pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLENSRC);
+	pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLEN);
+
+	pllctl_reg_setbits(data->pll, ctl, PLLCTL_PLLRST);
+
+	pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLPWRDN);
+	pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLDIS);
+
+	sspll_reg_write(data->pll, mult_factor,	(best_mult - 1) << 8);
+	sspll_reg_write(data->pll, prediv,	best_pre - 1);
+	sspll_reg_write(data->pll, postdiv,	best_post - 1);
+
+	for (i = 0; i < 10; i++)
+		if (data->div_freq[i])
+			__pll_div_freq_set(data->pll, fpll, i,
+					   data->div_freq[i]);
+
+	pllctl_reg_write(data->pll, cmd, 1);
+
+	/* Wait until pll "go" operation completes */
+	while (pllctl_reg_read(data->pll, stat) & 0x01);
+
+	pllctl_reg_clrbits(data->pll, ctl, PLLCTL_PLLRST);
+	pllctl_reg_setbits(data->pll, ctl, PLLCTL_PLLEN);
+}
+
+void init_plls(int num_pll, struct pll_init_data *config)
+{
+	int i;
+
+	for (i = 0; i < num_pll; i++)
+		init_pll(&config[i]);
+}

arch/arm/cpu/arm1176/tnetv107x/init.c

@@ -0,0 +1,37 @@
+/*
+ * TNETV107X: Architecture initialization
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+
+void chip_configuration_unlock(void)
+{
+       __raw_writel(TNETV107X_KICK0_MAGIC, TNETV107X_KICK0);
+       __raw_writel(TNETV107X_KICK1_MAGIC, TNETV107X_KICK1);
+}
+
+int arch_cpu_init(void)
+{
+       icache_enable();
+       chip_configuration_unlock();
+
+       return 0;
+}

arch/arm/cpu/arm1176/tnetv107x/lowlevel_init.S

@@ -0,0 +1,25 @@
+/*
+ * TNETV107X: Low-level pre-relocation initialization
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+.globl lowlevel_init
+lowlevel_init:
+	/* nothing for now, maybe needed for more exotic boot modes */
+	mov	pc, lr

arch/arm/cpu/arm1176/tnetv107x/mux.c

@@ -0,0 +1,334 @@
+/*
+ * TNETV107X: Pinmux configuration
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/mux.h>
+
+#define MUX_MODE_1		0x00
+#define MUX_MODE_2		0x04
+#define MUX_MODE_3		0x0c
+#define MUX_MODE_4		0x1c
+
+#define MUX_DEBUG		0
+
+static const struct pin_config pin_table[] = {
+	/*		  reg	shift	mode	*/
+	TNETV107X_MUX_CFG(0,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(0,	0,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(0,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(0,	5,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(0,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(0,	10,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(0,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(0,	15,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(0,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(0,	20,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(0,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(0,	25,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(1,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(1,	0,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(1,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(1,	5,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(1,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(1,	10,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(1,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(1,	15,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(1,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(1,	20,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(1,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(1,	25,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(2,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(2,	0,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(2,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(2,	5,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(2,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(2,	10,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(2,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(2,	15,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(2,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(2,	20,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(2,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(2,	25,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(3,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(3,	0,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(3,	0,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(3,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(3,	5,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(3,	5,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(3,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(3,	10,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(3,	10,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(3,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(3,	15,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(3,	15,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(3,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(3,	20,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(3,	20,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(3,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(3,	25,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(3,	25,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(4,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(4,	0,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(4,	0,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(4,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(4,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(4,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(4,	15,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(4,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(4,	20,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(4,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(4,	25,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(5,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(5,	0,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(5,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(5,	5,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(5,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(5,	10,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(5,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(5,	15,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(5,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(5,	20,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(5,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(5,	25,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(6,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(6,	0,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(6,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(6,	5,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(6,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(6,	10,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(6,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(6,	15,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(6,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(6,	20,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(6,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(6,	25,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(7,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(7,	0,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(7,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(7,	5,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(7,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(7,	10,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(7,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(7,	15,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(7,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(7,	20,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(7,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(7,	25,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(8,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(8,	0,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(8,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(8,	5,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(8,	5,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(8,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(8,	10,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(9,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(9,	0,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(9,	0,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(9,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(9,	5,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(9,	5,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(9,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(9,	10,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(9,	10,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(9,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(9,	15,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(9,	15,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(9,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(9,	20,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(9,	20,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(10,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(10,	0,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(10,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(10,	5,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(10,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(10,	10,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(10,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(10,	15,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(10,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(10,	20,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(10,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(10,	25,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(11,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(11,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(12,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(12,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(12,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(12,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(12,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(12,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(13,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(13,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(13,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(13,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(14,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(14,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(14,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(14,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(14,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(14,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(15,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(15,	0,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(15,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(15,	5,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(15,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(15,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(15,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(15,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(16,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(16,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(16,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(16,	10,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(16,	10,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(16,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(16,	15,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(17,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(17,	0,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(17,	0,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(17,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(17,	5,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(17,	5,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(17,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(17,	10,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(17,	10,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(17,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(17,	15,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(17,	15,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(18,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(18,	0,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(18,	0,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(18,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(18,	5,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(18,	5,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(18,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(18,	10,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(18,	10,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(18,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(18,	15,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(18,	15,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(19,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(19,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(19,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(19,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(19,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(19,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(20,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(20,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(20,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(20,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(20,	15,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(20,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(20,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(21,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(21,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(21,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(21,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(21,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(21,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(22,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(22,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(22,	5,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(22,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(22,	10,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(22,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(22,	15,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(22,	15,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(22,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(22,	20,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(22,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(22,	25,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(23,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(23,	0,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(23,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(23,	5,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(23,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(23,	10,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(24,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(24,	0,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(24,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(24,	5,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(24,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(24,	10,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(24,	10,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(24,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(24,	15,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(24,	15,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(24,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(24,	20,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(24,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(24,	25,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(25,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(25,	0,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(25,	0,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(25,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(25,	5,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(25,	5,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(25,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(25,	10,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(25,	10,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(25,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(25,	15,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(25,	15,	MUX_MODE_3),
+	TNETV107X_MUX_CFG(25,	15,	MUX_MODE_4),
+	TNETV107X_MUX_CFG(26,	0,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(26,	5,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(26,	10,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(26,	10,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(26,	15,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(26,	15,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(26,	20,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(26,	20,	MUX_MODE_2),
+	TNETV107X_MUX_CFG(26,	25,	MUX_MODE_1),
+	TNETV107X_MUX_CFG(26,	25,	MUX_MODE_2),
+};
+
+const int pin_table_size = sizeof(pin_table) / sizeof(pin_table[0]);
+
+int mux_select_pin(short index)
+{
+	const struct pin_config *cfg;
+	unsigned long mask, mode, reg;
+
+	if (index >= pin_table_size)
+		return 0;
+
+	cfg = &pin_table[index];
+
+	mask = 0x1f << cfg->mask_offset;
+	mode = cfg->mode << cfg->mask_offset;
+
+	reg = __raw_readl(TNETV107X_PINMUX(cfg->reg_index));
+	reg = (reg & ~mask) | mode;
+	__raw_writel(reg, TNETV107X_PINMUX(cfg->reg_index));
+
+	return 1;
+}
+
+int mux_select_pins(const short *pins)
+{
+	int i, ret = 1;
+
+	for (i = 0; pins[i] >= 0; i++)
+		ret &= mux_select_pin(pins[i]);
+
+	return ret;
+}

arch/arm/cpu/arm1176/tnetv107x/timer.c

@@ -0,0 +1,108 @@
+/*
+ * TNETV107X: Timer implementation
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+
+struct timer_regs {
+	u_int32_t pid12;
+	u_int32_t pad[3];
+	u_int32_t tim12;
+	u_int32_t tim34;
+	u_int32_t prd12;
+	u_int32_t prd34;
+	u_int32_t tcr;
+	u_int32_t tgcr;
+	u_int32_t wdtcr;
+};
+
+#define regs ((struct timer_regs *)CONFIG_SYS_TIMERBASE)
+
+#define TIMER_LOAD_VAL	(CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ)
+#define TIM_CLK_DIV	16
+
+static ulong timestamp;
+static ulong lastinc;
+
+int timer_init(void)
+{
+	clk_enable(TNETV107X_LPSC_TIMER0);
+
+	lastinc = timestamp = 0;
+
+	/* We are using timer34 in unchained 32-bit mode, full speed */
+	__raw_writel(0x0, &regs->tcr);
+	__raw_writel(0x0, &regs->tgcr);
+	__raw_writel(0x06 | ((TIM_CLK_DIV - 1) << 8), &regs->tgcr);
+	__raw_writel(0x0, &regs->tim34);
+	__raw_writel(TIMER_LOAD_VAL, &regs->prd34);
+	__raw_writel(2 << 22, &regs->tcr);
+
+	return 0;
+}
+
+static ulong get_timer_raw(void)
+{
+	ulong now = __raw_readl(&regs->tim34);
+
+	if (now >= lastinc)
+		timestamp += now - lastinc;
+	else
+		timestamp += now + TIMER_LOAD_VAL - lastinc;
+
+	lastinc = now;
+
+	return timestamp;
+}
+
+ulong get_timer(ulong base)
+{
+	return (get_timer_raw() / (TIMER_LOAD_VAL / TIM_CLK_DIV)) - base;
+}
+
+unsigned long long get_ticks(void)
+{
+	return get_timer(0);
+}
+
+void __udelay(unsigned long usec)
+{
+	ulong tmo;
+	ulong endtime;
+	signed long diff;
+
+	tmo = CONFIG_SYS_HZ_CLOCK / 1000;
+	tmo *= usec;
+	tmo /= (1000 * TIM_CLK_DIV);
+
+	endtime = get_timer_raw() + tmo;
+
+	do {
+		ulong now = get_timer_raw();
+		diff = endtime - now;
+	} while (diff >= 0);
+}
+
+ulong get_tbclk(void)
+{
+	return CONFIG_SYS_HZ;
+}

arch/arm/cpu/arm1176/tnetv107x/wdt.c

@@ -0,0 +1,180 @@
+/*
+ * TNETV107X: Watchdog timer implementation (for reset)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+
+#define MAX_DIV		0xFFFE0001
+
+struct wdt_regs {
+	u32 kick_lock;
+#define KICK_LOCK_1	0x5555
+#define KICK_LOCK_2	0xaaaa
+	u32 kick;
+
+	u32 change_lock;
+#define CHANGE_LOCK_1	0x6666
+#define CHANGE_LOCK_2	0xbbbb
+	u32 change;
+
+	u32 disable_lock;
+#define DISABLE_LOCK_1	0x7777
+#define DISABLE_LOCK_2	0xcccc
+#define DISABLE_LOCK_3	0xdddd
+	u32 disable;
+
+	u32 prescale_lock;
+#define PRESCALE_LOCK_1	0x5a5a
+#define PRESCALE_LOCK_2	0xa5a5
+	u32 prescale;
+};
+
+static struct wdt_regs* regs = (struct wdt_regs *)TNETV107X_WDT0_ARM_BASE;
+
+#define wdt_reg_read(reg)	__raw_readl(&regs->reg)
+#define wdt_reg_write(reg, val)	__raw_writel((val), &regs->reg)
+
+static int write_prescale_reg(unsigned long prescale_value)
+{
+	wdt_reg_write(prescale_lock, PRESCALE_LOCK_1);
+	if ((wdt_reg_read(prescale_lock) & 0x3) != 0x1)
+		return -1;
+
+	wdt_reg_write(prescale_lock, PRESCALE_LOCK_2);
+	if ((wdt_reg_read(prescale_lock) & 0x3) != 0x3)
+		return -1;
+
+	wdt_reg_write(prescale, prescale_value);
+
+	return 0;
+}
+
+static int write_change_reg(unsigned long initial_timer_value)
+{
+	wdt_reg_write(change_lock, CHANGE_LOCK_1);
+	if ((wdt_reg_read(change_lock) & 0x3) != 0x1)
+		return -1;
+
+	wdt_reg_write(change_lock, CHANGE_LOCK_2);
+	if ((wdt_reg_read(change_lock) & 0x3) != 0x3)
+		return -1;
+
+	wdt_reg_write(change, initial_timer_value);
+
+	return 0;
+}
+
+static int wdt_control(unsigned long disable_value)
+{
+	wdt_reg_write(disable_lock, DISABLE_LOCK_1);
+	if ((wdt_reg_read(disable_lock) & 0x3) != 0x1)
+		return -1;
+
+	wdt_reg_write(disable_lock, DISABLE_LOCK_2);
+	if ((wdt_reg_read(disable_lock) & 0x3) != 0x2)
+		return -1;
+
+	wdt_reg_write(disable_lock, DISABLE_LOCK_3);
+	if ((wdt_reg_read(disable_lock) & 0x3) != 0x3)
+		return -1;
+
+	wdt_reg_write(disable, disable_value);
+	return 0;
+}
+
+static int wdt_set_period(unsigned long msec)
+{
+	unsigned long change_value, count_value;
+	unsigned long prescale_value = 1;
+	unsigned long refclk_khz, maxdiv;
+	int ret;
+
+	refclk_khz = clk_get_rate(TNETV107X_LPSC_WDT_ARM);
+	maxdiv = (MAX_DIV / refclk_khz);
+
+	if ((!msec) || (msec > maxdiv))
+		return -1;
+
+	count_value = refclk_khz * msec;
+	if (count_value > 0xffff) {
+		change_value = count_value / 0xffff + 1;
+		prescale_value = count_value / change_value;
+	} else {
+		change_value = count_value;
+	}
+
+	ret = write_prescale_reg(prescale_value - 1);
+	if (ret)
+		return ret;
+
+	ret = write_change_reg(change_value);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+unsigned long last_wdt = -1;
+
+int wdt_start(unsigned long msecs)
+{
+	int ret;
+	ret = wdt_control(0);
+	if (ret)
+		return ret;
+	ret = wdt_set_period(msecs);
+	if (ret)
+		return ret;
+	ret = wdt_control(1);
+	if (ret)
+		return ret;
+	ret = wdt_kick();
+	last_wdt = msecs;
+	return ret;
+}
+
+int wdt_stop(void)
+{
+	last_wdt = -1;
+	return wdt_control(0);
+}
+
+int wdt_kick(void)
+{
+	wdt_reg_write(kick_lock, KICK_LOCK_1);
+	if ((wdt_reg_read(kick_lock) & 0x3) != 0x1)
+		return -1;
+
+	wdt_reg_write(kick_lock, KICK_LOCK_2);
+	if ((wdt_reg_read(kick_lock) & 0x3) != 0x3)
+		return -1;
+
+	wdt_reg_write(kick, 1);
+	return 0;
+}
+
+void reset_cpu(ulong addr)
+{
+	clk_enable(TNETV107X_LPSC_WDT_ARM);
+	wdt_start(1);
+	wdt_kick();
+}

arch/arm/cpu/arm720t/Makefile

@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(CPU).o
+
+START	= start.o
+COBJS	= interrupts.o cpu.o
+
+SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+START	:= $(addprefix $(obj),$(START))
+
+all:	$(obj).depend $(START) $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

arch/arm/cpu/arm720t/config.mk

@@ -0,0 +1,35 @@
+#
+# (C) Copyright 2002
+# Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+# Marius Groeger <mgroeger@sysgo.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+PLATFORM_RELFLAGS +=  -fno-common -ffixed-r8 -msoft-float
+
+PLATFORM_CPPFLAGS += -march=armv4 -mtune=arm7tdmi
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# =========================================================================
+PF_RELFLAGS_SLB_AT := $(call cc-option,-mshort-load-bytes,\
+			$(call cc-option,-malignment-traps,))
+PLATFORM_RELFLAGS += $(PF_RELFLAGS_SLB_AT)

arch/arm/cpu/arm720t/cpu.c

@@ -0,0 +1,58 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * CPU specific code
+ */
+
+#include <common.h>
+#include <command.h>
+#include <clps7111.h>
+#include <asm/hardware.h>
+#include <asm/system.h>
+
+int cleanup_before_linux (void)
+{
+	/*
+	 * this function is called just before we call linux
+	 * it prepares the processor for linux
+	 *
+	 * we turn off caches etc ...
+	 * and we set the CPU-speed to 73 MHz - see start.S for details
+	 */
+
+#if defined(CONFIG_NETARM) || defined(CONFIG_S3C4510B) || defined(CONFIG_LPC2292)
+	disable_interrupts ();
+	/* Nothing more needed */
+#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
+	/* No cleanup before linux for IntegratorAP/CM720T as yet */
+#else
+#error No cleanup_before_linux() defined for this CPU type
+#endif
+	return 0;
+}

arch/arm/cpu/arm720t/interrupts.c

@@ -0,0 +1,287 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <clps7111.h>
+#include <asm/proc-armv/ptrace.h>
+#include <asm/hardware.h>
+
+#ifndef CONFIG_NETARM
+/* we always count down the max. */
+#define TIMER_LOAD_VAL 0xffff
+/* macro to read the 16 bit timer */
+#define READ_TIMER (IO_TC1D & 0xffff)
+
+#ifdef CONFIG_LPC2292
+#undef READ_TIMER
+#define READ_TIMER (0xFFFFFFFF - GET32(T0TC))
+#endif
+
+#else
+#define IRQEN	(*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_INTR_ENABLE))
+#define TM2CTRL (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_TIMER2_CONTROL))
+#define TM2STAT (*(volatile unsigned int *)(NETARM_GEN_MODULE_BASE + NETARM_GEN_TIMER2_STATUS))
+#define TIMER_LOAD_VAL NETARM_GEN_TSTAT_CTC_MASK
+#define READ_TIMER (TM2STAT & NETARM_GEN_TSTAT_CTC_MASK)
+#endif
+
+#ifdef CONFIG_S3C4510B
+/* require interrupts for the S3C4510B */
+# ifndef CONFIG_USE_IRQ
+#  error CONFIG_USE_IRQ _must_ be defined when using CONFIG_S3C4510B
+# else
+static struct _irq_handler IRQ_HANDLER[N_IRQS];
+# endif
+#endif	/* CONFIG_S3C4510B */
+
+#ifdef CONFIG_USE_IRQ
+void do_irq (struct pt_regs *pt_regs)
+{
+#if defined(CONFIG_S3C4510B)
+	unsigned int pending;
+
+	while ( (pending = GET_REG( REG_INTOFFSET)) != 0x54) {  /* sentinal value for no pending interrutps */
+		IRQ_HANDLER[pending>>2].m_func( IRQ_HANDLER[pending>>2].m_data);
+
+		/* clear pending interrupt */
+		PUT_REG( REG_INTPEND, (1<<(pending>>2)));
+	}
+#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
+	/* No do_irq() for IntegratorAP/CM720T as yet */
+#elif defined(CONFIG_LPC2292)
+
+    void (*pfnct)(void);
+
+    pfnct = (void (*)(void))VICVectAddr;
+
+    (*pfnct)();
+#else
+#error do_irq() not defined for this CPU type
+#endif
+}
+#endif
+
+#ifdef CONFIG_S3C4510B
+static void default_isr( void *data) {
+	printf ("default_isr():  called for IRQ %d\n", (int)data);
+}
+
+static void timer_isr( void *data) {
+	unsigned int *pTime = (unsigned int *)data;
+
+	(*pTime)++;
+	if ( !(*pTime % (CONFIG_SYS_HZ/4))) {
+		/* toggle LED 0 */
+		PUT_REG( REG_IOPDATA, GET_REG(REG_IOPDATA) ^ 0x1);
+	}
+
+}
+#endif
+
+#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
+	/* Use IntegratorAP routines in board/integratorap.c */
+#else
+
+static ulong timestamp;
+static ulong lastdec;
+
+#if defined(CONFIG_USE_IRQ) && defined(CONFIG_S3C4510B)
+int arch_interrupt_init (void)
+{
+	int i;
+
+	/* install default interrupt handlers */
+	for ( i = 0; i < N_IRQS; i++) {
+		IRQ_HANDLER[i].m_data = (void *)i;
+		IRQ_HANDLER[i].m_func = default_isr;
+	}
+
+	/* configure interrupts for IRQ mode */
+	PUT_REG( REG_INTMODE, 0x0);
+	/* clear any pending interrupts */
+	PUT_REG( REG_INTPEND, 0x1FFFFF);
+
+	lastdec = 0;
+
+	/* install interrupt handler for timer */
+	IRQ_HANDLER[INT_TIMER0].m_data = (void *)&timestamp;
+	IRQ_HANDLER[INT_TIMER0].m_func = timer_isr;
+
+	return 0;
+}
+#endif
+
+int timer_init (void)
+{
+#if defined(CONFIG_NETARM)
+	/* disable all interrupts */
+	IRQEN = 0;
+
+	/* operate timer 2 in non-prescale mode */
+	TM2CTRL = ( NETARM_GEN_TIMER_SET_HZ(CONFIG_SYS_HZ) |
+		    NETARM_GEN_TCTL_ENABLE |
+		    NETARM_GEN_TCTL_INIT_COUNT(TIMER_LOAD_VAL));
+
+	/* set timer 2 counter */
+	lastdec = TIMER_LOAD_VAL;
+#elif defined(CONFIG_S3C4510B)
+	/* configure free running timer 0 */
+	PUT_REG( REG_TMOD, 0x0);
+	/* Stop timer 0 */
+	CLR_REG( REG_TMOD, TM0_RUN);
+
+	/* Configure for interval mode */
+	CLR_REG( REG_TMOD, TM1_TOGGLE);
+
+	/*
+	 * Load Timer data register with count down value.
+	 * count_down_val = CONFIG_SYS_SYS_CLK_FREQ/CONFIG_SYS_HZ
+	 */
+	PUT_REG( REG_TDATA0, (CONFIG_SYS_SYS_CLK_FREQ / CONFIG_SYS_HZ));
+
+	/*
+	 * Enable global interrupt
+	 * Enable timer0 interrupt
+	 */
+	CLR_REG( REG_INTMASK, ((1<<INT_GLOBAL) | (1<<INT_TIMER0)));
+
+	/* Start timer */
+	SET_REG( REG_TMOD, TM0_RUN);
+#elif defined(CONFIG_LPC2292)
+	PUT32(T0IR, 0);		/* disable all timer0 interrupts */
+	PUT32(T0TCR, 0);	/* disable timer0 */
+	PUT32(T0PR, CONFIG_SYS_SYS_CLK_FREQ / CONFIG_SYS_HZ);
+	PUT32(T0MCR, 0);
+	PUT32(T0TC, 0);
+	PUT32(T0TCR, 1);	/* enable timer0 */
+
+#else
+#error No timer_init() defined for this CPU type
+#endif
+	timestamp = 0;
+
+	return (0);
+}
+
+#endif /* ! IntegratorAP */
+
+/*
+ * timer without interrupts
+ */
+
+
+#if defined(CONFIG_NETARM) || defined(CONFIG_LPC2292)
+
+ulong get_timer (ulong base)
+{
+	return get_timer_masked () - base;
+}
+
+void __udelay (unsigned long usec)
+{
+	ulong tmo;
+
+	tmo = usec / 1000;
+	tmo *= CONFIG_SYS_HZ;
+	tmo /= 1000;
+
+	tmo += get_timer (0);
+
+	while (get_timer_masked () < tmo)
+#ifdef CONFIG_LPC2292
+		/* GJ - not sure whether this is really needed or a misunderstanding */
+		__asm__ __volatile__(" nop");
+#else
+		/*NOP*/;
+#endif
+}
+
+ulong get_timer_masked (void)
+{
+	ulong now = READ_TIMER;
+
+	if (lastdec >= now) {
+		/* normal mode */
+		timestamp += lastdec - now;
+	} else {
+		/* we have an overflow ... */
+		timestamp += lastdec + TIMER_LOAD_VAL - now;
+	}
+	lastdec = now;
+
+	return timestamp;
+}
+
+void udelay_masked (unsigned long usec)
+{
+	ulong tmo;
+	ulong endtime;
+	signed long diff;
+
+	if (usec >= 1000) {
+		tmo = usec / 1000;
+		tmo *= CONFIG_SYS_HZ;
+		tmo /= 1000;
+	} else {
+		tmo = usec * CONFIG_SYS_HZ;
+		tmo /= (1000*1000);
+	}
+
+	endtime = get_timer_masked () + tmo;
+
+	do {
+		ulong now = get_timer_masked ();
+		diff = endtime - now;
+	} while (diff >= 0);
+}
+
+#elif defined(CONFIG_S3C4510B)
+
+ulong get_timer (ulong base)
+{
+	return timestamp - base;
+}
+
+void __udelay (unsigned long usec)
+{
+	u32 ticks;
+
+	ticks = (usec * CONFIG_SYS_HZ) / 1000000;
+
+	ticks += get_timer (0);
+
+	while (get_timer (0) < ticks)
+		/*NOP*/;
+
+}
+
+#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
+	/* No timer routines for IntegratorAP/CM720T as yet */
+#else
+#error Timer routines not defined for this CPU type
+#endif

arch/arm/cpu/arm720t/lpc2292/Makefile

@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2000-2007
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).o
+
+COBJS	= flash.o mmc.o mmc_hw.o spi.o
+SOBJS	= $(obj)iap_entry.o
+
+SRCS	:= $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+
+all:	$(obj).depend $(LIB)
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
+
+# this MUST be compiled as thumb code!
+$(SOBJS):
+	$(CC) $(AFLAGS) -march=armv4t -c -o $(SOBJS) iap_entry.S
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

arch/arm/cpu/arm720t/lpc2292/mmc_hw.c

@@ -0,0 +1,233 @@
+/*
+    This code was original written by Ulrich Radig and modified by
+    Embedded Artists AB (www.embeddedartists.com).
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include <config.h>
+#include <common.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/spi.h>
+
+#define MMC_Enable() PUT32(IO1CLR, 1l << 22)
+#define MMC_Disable() PUT32(IO1SET, 1l << 22)
+#define mmc_spi_cfg() spi_set_clock(8); spi_set_cfg(0, 1, 0);
+
+static unsigned char Write_Command_MMC (unsigned char *CMD);
+static void MMC_Read_Block(unsigned char *CMD, unsigned char *Buffer,
+		    unsigned short int Bytes);
+
+/* initialize the hardware */
+int mmc_hw_init(void)
+{
+	unsigned long a;
+	unsigned short int Timeout = 0;
+	unsigned char b;
+	unsigned char CMD[] = {0x40, 0x00, 0x00, 0x00, 0x00, 0x95};
+
+	/* set-up GPIO and SPI */
+	(*((volatile unsigned long *)PINSEL2)) &= ~(1l << 3); /* clear bit 3 */
+	(*((volatile unsigned long *)IO1DIR)) |= (1l << 22); /* set bit 22 (output) */
+
+	MMC_Disable();
+
+	spi_lock();
+	spi_set_clock(248);
+	spi_set_cfg(0, 1, 0);
+	MMC_Enable();
+
+	/* waste some time */
+	for(a=0; a < 20000; a++)
+		asm("nop");
+
+	/* Put the MMC/SD-card into SPI-mode */
+	for (b = 0; b < 10; b++) /* Sends min 74+ clocks to the MMC/SD-card */
+		spi_write(0xff);
+
+	/* Sends command CMD0 to MMC/SD-card */
+	while (Write_Command_MMC(CMD) != 1) {
+		if (Timeout++ > 200) {
+			MMC_Disable();
+			spi_unlock();
+			return(1); /* Abort with command 1 (return 1) */
+		}
+	}
+	/* Sends Command CMD1 an MMC/SD-card */
+	Timeout = 0;
+	CMD[0] = 0x41;/* Command 1 */
+	CMD[5] = 0xFF;
+
+	while (Write_Command_MMC(CMD) != 0) {
+		if (Timeout++ > 200) {
+			MMC_Disable();
+			spi_unlock();
+			return (2); /* Abort with command 2 (return 2) */
+		}
+	}
+
+	MMC_Disable();
+	spi_unlock();
+
+	return 0;
+}
+
+/* ############################################################################
+   Sends a command to the MMC/SD-card
+   ######################################################################### */
+static unsigned char Write_Command_MMC (unsigned char *CMD)
+{
+	unsigned char a, tmp = 0xff;
+	unsigned short int Timeout = 0;
+
+	MMC_Disable();
+	spi_write(0xFF);
+	MMC_Enable();
+
+	for (a = 0; a < 0x06; a++)
+		spi_write(*CMD++);
+
+	while (tmp == 0xff) {
+		tmp = spi_read();
+		if (Timeout++ > 5000)
+		  break;
+	}
+
+	return (tmp);
+}
+
+/* ############################################################################
+   Routine to read the CID register from the MMC/SD-card (16 bytes)
+   ######################################################################### */
+void MMC_Read_Block(unsigned char *CMD, unsigned char *Buffer, unsigned short
+	int Bytes)
+{
+	unsigned short int a;
+
+	spi_lock();
+	mmc_spi_cfg();
+	MMC_Enable();
+
+	if (Write_Command_MMC(CMD) != 0) {
+		MMC_Disable();
+		spi_unlock();
+		return;
+	}
+
+	while (spi_read() != 0xfe) {};
+	for (a = 0; a < Bytes; a++)
+		*Buffer++ = spi_read();
+
+	/* Read the CRC-byte */
+	spi_read(); /* CRC - byte is discarded */
+	spi_read(); /* CRC - byte is discarded */
+	/* set MMC_Chip_Select to high (MMC/SD-card Inaktiv) */
+	MMC_Disable();
+	spi_unlock();
+
+	return;
+}
+
+/* ############################################################################
+   Routine to read a block (512 bytes) from the MMC/SD-card
+   ######################################################################### */
+unsigned char mmc_read_sector (unsigned long addr,unsigned char *Buffer)
+{
+	/* Command 16 to read aBlocks from the MMC/SD - caed */
+	unsigned char CMD[] = {0x51,0x00,0x00,0x00,0x00,0xFF};
+
+	/* The address on the MMC/SD-card is in bytes,
+	addr is transformed from blocks to bytes and the result is
+	placed into the command */
+
+	addr = addr << 9; /* addr = addr * 512 */
+
+	CMD[1] = ((addr & 0xFF000000) >> 24);
+	CMD[2] = ((addr & 0x00FF0000) >> 16);
+	CMD[3] = ((addr & 0x0000FF00) >> 8 );
+
+	MMC_Read_Block(CMD, Buffer, 512);
+
+	return (0);
+}
+
+/* ############################################################################
+   Routine to write a block (512 byte) to the MMC/SD-card
+   ######################################################################### */
+unsigned char mmc_write_sector (unsigned long addr,unsigned char *Buffer)
+{
+	unsigned char tmp, a;
+	unsigned short int b;
+	/* Command 24 to write a block to the MMC/SD - card */
+	unsigned char CMD[] = {0x58, 0x00, 0x00, 0x00, 0x00, 0xFF};
+
+	/* The address on the MMC/SD-card is in bytes,
+	addr is transformed from blocks to bytes and the result is
+	placed into the command */
+
+	addr = addr << 9; /* addr = addr * 512 */
+
+	CMD[1] = ((addr & 0xFF000000) >> 24);
+	CMD[2] = ((addr & 0x00FF0000) >> 16);
+	CMD[3] = ((addr & 0x0000FF00) >> 8 );
+
+	spi_lock();
+	mmc_spi_cfg();
+	MMC_Enable();
+
+	/* Send command CMD24 to the MMC/SD-card (Write 1 Block/512 Bytes) */
+	tmp = Write_Command_MMC(CMD);
+	if (tmp != 0) {
+		MMC_Disable();
+		spi_unlock();
+		return(tmp);
+	}
+
+	/* Do a short delay and send a clock-pulse to the MMC/SD-card */
+	for (a = 0; a < 100; a++)
+		spi_read();
+
+	/* Send a start byte to the MMC/SD-card */
+	spi_write(0xFE);
+
+	/* Write the block (512 bytes) to the MMC/SD-card */
+	for (b = 0; b < 512; b++)
+		spi_write(*Buffer++);
+
+	/* write the CRC-Byte */
+	spi_write(0xFF); /* write a dummy CRC */
+	spi_write(0xFF); /* CRC code is not used */
+
+	/* Wait for MMC/SD-card busy */
+	while (spi_read() != 0xff) {};
+
+	/* set MMC_Chip_Select to high (MMC/SD-card inactive) */
+	MMC_Disable();
+	spi_unlock();
+	return (0);
+}
+
+/* #########################################################################
+   Routine to read the CSD register from the MMC/SD-card (16 bytes)
+   ######################################################################### */
+unsigned char mmc_read_csd (unsigned char *Buffer)
+{
+	/* Command to read the CSD register */
+	unsigned char CMD[] = {0x49, 0x00, 0x00, 0x00, 0x00, 0xFF};
+
+	MMC_Read_Block(CMD, Buffer, 16);
+
+	return (0);
+}

arch/arm/cpu/arm720t/s3c4510b/Makefile

@@ -0,0 +1,45 @@
+#
+# (C) Copyright 2000-2008
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).o
+
+COBJS-y	+= cache.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS-y))
+
+all:	$(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

arch/arm/cpu/arm720t/start.S

@@ -0,0 +1,623 @@
+/*
+ *  armboot - Startup Code for ARM720 CPU-core
+ *
+ *  Copyright (c) 2001	Marius Gröger <mag@sysgo.de>
+ *  Copyright (c) 2002	Alex Züpke <azu@sysgo.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm-offsets.h>
+#include <config.h>
+#include <version.h>
+#include <asm/hardware.h>
+
+/*
+ *************************************************************************
+ *
+ * Jump vector table as in table 3.1 in [1]
+ *
+ *************************************************************************
+ */
+
+
+.globl _start
+_start: b	reset
+	ldr	pc, _undefined_instruction
+	ldr	pc, _software_interrupt
+	ldr	pc, _prefetch_abort
+	ldr	pc, _data_abort
+#ifdef CONFIG_LPC2292
+	.word	0xB4405F76 /* 2's complement of the checksum of the vectors */
+#else
+	ldr	pc, _not_used
+#endif
+	ldr	pc, _irq
+	ldr	pc, _fiq
+
+_undefined_instruction: .word undefined_instruction
+_software_interrupt:	.word software_interrupt
+_prefetch_abort:	.word prefetch_abort
+_data_abort:		.word data_abort
+_not_used:		.word not_used
+_irq:			.word irq
+_fiq:			.word fiq
+
+	.balignl 16,0xdeadbeef
+
+
+/*
+ *************************************************************************
+ *
+ * Startup Code (reset vector)
+ *
+ * do important init only if we don't start from RAM!
+ * relocate armboot to ram
+ * setup stack
+ * jump to second stage
+ *
+ *************************************************************************
+ */
+
+.globl _TEXT_BASE
+_TEXT_BASE:
+	.word	CONFIG_SYS_TEXT_BASE
+
+/*
+ * These are defined in the board-specific linker script.
+ * Subtracting _start from them lets the linker put their
+ * relative position in the executable instead of leaving
+ * them null.
+ */
+.globl _bss_start_ofs
+_bss_start_ofs:
+	.word __bss_start - _start
+
+.globl _bss_end_ofs
+_bss_end_ofs:
+	.word __bss_end__ - _start
+
+.globl _end_ofs
+_end_ofs:
+	.word _end - _start
+
+#ifdef CONFIG_USE_IRQ
+/* IRQ stack memory (calculated at run-time) */
+.globl IRQ_STACK_START
+IRQ_STACK_START:
+	.word	0x0badc0de
+
+/* IRQ stack memory (calculated at run-time) */
+.globl FIQ_STACK_START
+FIQ_STACK_START:
+	.word 0x0badc0de
+#endif
+
+/* IRQ stack memory (calculated at run-time) + 8 bytes */
+.globl IRQ_STACK_START_IN
+IRQ_STACK_START_IN:
+	.word	0x0badc0de
+
+/*
+ * the actual reset code
+ */
+
+reset:
+	/*
+	 * set the cpu to SVC32 mode
+	 */
+	mrs	r0,cpsr
+	bic	r0,r0,#0x1f
+	orr	r0,r0,#0xd3
+	msr	cpsr,r0
+
+	/*
+	 * we do sys-critical inits only at reboot,
+	 * not when booting from ram!
+	 */
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+	bl	cpu_init_crit
+#endif
+
+#ifdef CONFIG_LPC2292
+	bl	lowlevel_init
+#endif
+
+/* Set stackpointer in internal RAM to call board_init_f */
+call_board_init_f:
+	ldr	sp, =(CONFIG_SYS_INIT_SP_ADDR)
+	bic	sp, sp, #7 /* 8-byte alignment for ABI compliance */
+	ldr	r0,=0x00000000
+	bl	board_init_f
+
+/*------------------------------------------------------------------------------*/
+
+/*
+ * void relocate_code (addr_sp, gd, addr_moni)
+ *
+ * This "function" does not return, instead it continues in RAM
+ * after relocating the monitor code.
+ *
+ */
+	.globl	relocate_code
+relocate_code:
+	mov	r4, r0	/* save addr_sp */
+	mov	r5, r1	/* save addr of gd */
+	mov	r6, r2	/* save addr of destination */
+
+	/* Set up the stack						    */
+stack_setup:
+	mov	sp, r4
+
+	adr	r0, _start
+	cmp	r0, r6
+	beq	clear_bss		/* skip relocation */
+	mov	r1, r6			/* r1 <- scratch for copy_loop */
+	ldr	r3, _bss_start_ofs
+	add	r2, r0, r3		/* r2 <- source end address	    */
+
+copy_loop:
+	ldmia	r0!, {r9-r10}		/* copy from source address [r0]    */
+	stmia	r1!, {r9-r10}		/* copy to   target address [r1]    */
+	cmp	r0, r2			/* until source end address [r2]    */
+	blo	copy_loop
+
+#ifndef CONFIG_SPL_BUILD
+	/*
+	 * fix .rel.dyn relocations
+	 */
+	ldr	r0, _TEXT_BASE		/* r0 <- Text base */
+	sub	r9, r6, r0		/* r9 <- relocation offset */
+	ldr	r10, _dynsym_start_ofs	/* r10 <- sym table ofs */
+	add	r10, r10, r0		/* r10 <- sym table in FLASH */
+	ldr	r2, _rel_dyn_start_ofs	/* r2 <- rel dyn start ofs */
+	add	r2, r2, r0		/* r2 <- rel dyn start in FLASH */
+	ldr	r3, _rel_dyn_end_ofs	/* r3 <- rel dyn end ofs */
+	add	r3, r3, r0		/* r3 <- rel dyn end in FLASH */
+fixloop:
+	ldr	r0, [r2]		/* r0 <- location to fix up, IN FLASH! */
+	add	r0, r0, r9		/* r0 <- location to fix up in RAM */
+	ldr	r1, [r2, #4]
+	and	r7, r1, #0xff
+	cmp	r7, #23			/* relative fixup? */
+	beq	fixrel
+	cmp	r7, #2			/* absolute fixup? */
+	beq	fixabs
+	/* ignore unknown type of fixup */
+	b	fixnext
+fixabs:
+	/* absolute fix: set location to (offset) symbol value */
+	mov	r1, r1, LSR #4		/* r1 <- symbol index in .dynsym */
+	add	r1, r10, r1		/* r1 <- address of symbol in table */
+	ldr	r1, [r1, #4]		/* r1 <- symbol value */
+	add	r1, r1, r9		/* r1 <- relocated sym addr */
+	b	fixnext
+fixrel:
+	/* relative fix: increase location by offset */
+	ldr	r1, [r0]
+	add	r1, r1, r9
+fixnext:
+	str	r1, [r0]
+	add	r2, r2, #8		/* each rel.dyn entry is 8 bytes */
+	cmp	r2, r3
+	blo	fixloop
+#endif
+
+clear_bss:
+#ifndef CONFIG_SPL_BUILD
+	ldr	r0, _bss_start_ofs
+	ldr	r1, _bss_end_ofs
+	mov	r4, r6			/* reloc addr */
+	add	r0, r0, r4
+	add	r1, r1, r4
+	mov	r2, #0x00000000		/* clear			    */
+
+clbss_l:str	r2, [r0]		/* clear loop...		    */
+	add	r0, r0, #4
+	cmp	r0, r1
+	bne	clbss_l
+
+	bl coloured_LED_init
+	bl red_led_on
+#endif
+
+/*
+ * We are done. Do not return, instead branch to second part of board
+ * initialization, now running from RAM.
+ */
+	ldr	r0, _board_init_r_ofs
+	adr	r1, _start
+	add	lr, r0, r1
+	add	lr, lr, r9
+	/* setup parameters for board_init_r */
+	mov	r0, r5		/* gd_t */
+	mov	r1, r6		/* dest_addr */
+	/* jump to it ... */
+	mov	pc, lr
+
+_board_init_r_ofs:
+	.word board_init_r - _start
+
+_rel_dyn_start_ofs:
+	.word __rel_dyn_start - _start
+_rel_dyn_end_ofs:
+	.word __rel_dyn_end - _start
+_dynsym_start_ofs:
+	.word __dynsym_start - _start
+
+/*
+ *************************************************************************
+ *
+ * CPU_init_critical registers
+ *
+ * setup important registers
+ * setup memory timing
+ *
+ *************************************************************************
+ */
+
+#if defined(CONFIG_LPC2292)
+PLLCFG_ADR:	.word	PLLCFG
+PLLFEED_ADR:	.word	PLLFEED
+PLLCON_ADR:	.word	PLLCON
+PLLSTAT_ADR:	.word	PLLSTAT
+VPBDIV_ADR:	.word	VPBDIV
+MEMMAP_ADR:	.word	MEMMAP
+
+#endif
+
+cpu_init_crit:
+#if defined(CONFIG_NETARM)
+	/*
+	 * prior to software reset : need to set pin PORTC4 to be *HRESET
+	 */
+	ldr	r0, =NETARM_GEN_MODULE_BASE
+	ldr	r1, =(NETARM_GEN_PORT_MODE(0x10) | \
+			NETARM_GEN_PORT_DIR(0x10))
+	str	r1, [r0, #+NETARM_GEN_PORTC]
+	/*
+	 * software reset : see HW Ref. Guide 8.2.4 : Software Service register
+	 *		    for an explanation of this process
+	 */
+	ldr	r0, =NETARM_GEN_MODULE_BASE
+	ldr	r1, =NETARM_GEN_SW_SVC_RESETA
+	str	r1, [r0, #+NETARM_GEN_SOFTWARE_SERVICE]
+	ldr	r1, =NETARM_GEN_SW_SVC_RESETB
+	str	r1, [r0, #+NETARM_GEN_SOFTWARE_SERVICE]
+	ldr	r1, =NETARM_GEN_SW_SVC_RESETA
+	str	r1, [r0, #+NETARM_GEN_SOFTWARE_SERVICE]
+	ldr	r1, =NETARM_GEN_SW_SVC_RESETB
+	str	r1, [r0, #+NETARM_GEN_SOFTWARE_SERVICE]
+	/*
+	 * setup PLL and System Config
+	 */
+	ldr	r0, =NETARM_GEN_MODULE_BASE
+
+	ldr	r1, =(	NETARM_GEN_SYS_CFG_LENDIAN | \
+			NETARM_GEN_SYS_CFG_BUSFULL | \
+			NETARM_GEN_SYS_CFG_USER_EN | \
+			NETARM_GEN_SYS_CFG_ALIGN_ABORT | \
+			NETARM_GEN_SYS_CFG_BUSARB_INT | \
+			NETARM_GEN_SYS_CFG_BUSMON_EN )
+
+	str	r1, [r0, #+NETARM_GEN_SYSTEM_CONTROL]
+
+#ifndef CONFIG_NETARM_PLL_BYPASS
+	ldr	r1, =(	NETARM_GEN_PLL_CTL_PLLCNT(NETARM_PLL_COUNT_VAL) | \
+			NETARM_GEN_PLL_CTL_POLTST_DEF | \
+			NETARM_GEN_PLL_CTL_INDIV(1) | \
+			NETARM_GEN_PLL_CTL_ICP_DEF | \
+			NETARM_GEN_PLL_CTL_OUTDIV(2) )
+	str	r1, [r0, #+NETARM_GEN_PLL_CONTROL]
+#endif
+
+	/*
+	 * mask all IRQs by clearing all bits in the INTMRs
+	 */
+	mov	r1, #0
+	ldr	r0, =NETARM_GEN_MODULE_BASE
+	str	r1, [r0, #+NETARM_GEN_INTR_ENABLE]
+
+#elif defined(CONFIG_S3C4510B)
+
+	/*
+	 * Mask off all IRQ sources
+	 */
+	ldr	r1, =REG_INTMASK
+	ldr	r0, =0x3FFFFF
+	str	r0, [r1]
+
+	/*
+	 * Disable Cache
+	 */
+	ldr r0, =REG_SYSCFG
+	ldr r1, =0x83ffffa0	/* cache-disabled  */
+	str r1, [r0]
+
+#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
+	/* No specific initialisation for IntegratorAP/CM720T as yet */
+#elif defined(CONFIG_LPC2292)
+	/* Set-up PLL */
+	mov	r3, #0xAA
+	mov	r4, #0x55
+	/* First disconnect and disable the PLL */
+	ldr	r0, PLLCON_ADR
+	mov	r1, #0x00
+	str	r1, [r0]
+	ldr	r0, PLLFEED_ADR /* start feed sequence */
+	str	r3, [r0]
+	str	r4, [r0]	/* feed sequence done */
+	/* Set new M and P values */
+	ldr	r0, PLLCFG_ADR
+	mov	r1, #0x23	/* M=4 and P=2 */
+	str	r1, [r0]
+	ldr	r0, PLLFEED_ADR /* start feed sequence */
+	str	r3, [r0]
+	str	r4, [r0]	/* feed sequence done */
+	/* Then enable the PLL */
+	ldr	r0, PLLCON_ADR
+	mov	r1, #0x01	/* PLL enable bit */
+	str	r1, [r0]
+	ldr	r0, PLLFEED_ADR /* start feed sequence */
+	str	r3, [r0]
+	str	r4, [r0]	/* feed sequence done */
+	/* Wait for the lock */
+	ldr	r0, PLLSTAT_ADR
+	mov	r1, #0x400	/* lock bit */
+lock_loop:
+	ldr	r2, [r0]
+	and	r2, r1, r2
+	cmp	r2, #0
+	beq	lock_loop
+	/* And finally connect the PLL */
+	ldr	r0, PLLCON_ADR
+	mov	r1, #0x03	/* PLL enable bit and connect bit */
+	str	r1, [r0]
+	ldr	r0, PLLFEED_ADR /* start feed sequence */
+	str	r3, [r0]
+	str	r4, [r0]	/* feed sequence done */
+	/* Set-up VPBDIV register */
+	ldr	r0, VPBDIV_ADR
+	mov	r1, #0x01	/* VPB clock is same as process clock */
+	str	r1, [r0]
+#else
+#error No cpu_init_crit() defined for current CPU type
+#endif
+
+#ifdef CONFIG_ARM7_REVD
+	/* set clock speed */
+	/* !!! we run @ 36 MHz due to a hardware flaw in Rev. D processors */
+	/* !!! not doing DRAM refresh properly! */
+	ldr	r0, SYSCON3
+	ldr	r1, [r0]
+	bic	r1, r1, #CLKCTL
+	orr	r1, r1, #CLKCTL_36
+	str	r1, [r0]
+#endif
+
+#ifndef CONFIG_LPC2292
+	mov	ip, lr
+	/*
+	 * before relocating, we have to setup RAM timing
+	 * because memory timing is board-dependent, you will
+	 * find a lowlevel_init.S in your board directory.
+	 */
+	bl	lowlevel_init
+	mov	lr, ip
+#endif
+
+	mov	pc, lr
+
+
+/*
+ *************************************************************************
+ *
+ * Interrupt handling
+ *
+ *************************************************************************
+ */
+
+@
+@ IRQ stack frame.
+@
+#define S_FRAME_SIZE	72
+
+#define S_OLD_R0	68
+#define S_PSR		64
+#define S_PC		60
+#define S_LR		56
+#define S_SP		52
+
+#define S_IP		48
+#define S_FP		44
+#define S_R10		40
+#define S_R9		36
+#define S_R8		32
+#define S_R7		28
+#define S_R6		24
+#define S_R5		20
+#define S_R4		16
+#define S_R3		12
+#define S_R2		8
+#define S_R1		4
+#define S_R0		0
+
+#define MODE_SVC 0x13
+#define I_BIT	 0x80
+
+/*
+ * use bad_save_user_regs for abort/prefetch/undef/swi ...
+ * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling
+ */
+
+	.macro	bad_save_user_regs
+	sub	sp, sp, #S_FRAME_SIZE
+	stmia	sp, {r0 - r12}			@ Calling r0-r12
+	add	r8, sp, #S_PC
+
+	ldr	r2, IRQ_STACK_START_IN
+	ldmia	r2, {r2 - r4}			@ get pc, cpsr, old_r0
+	add	r0, sp, #S_FRAME_SIZE		@ restore sp_SVC
+
+	add	r5, sp, #S_SP
+	mov	r1, lr
+	stmia	r5, {r0 - r4}			@ save sp_SVC, lr_SVC, pc, cpsr, old_r
+	mov	r0, sp
+	.endm
+
+	.macro	irq_save_user_regs
+	sub	sp, sp, #S_FRAME_SIZE
+	stmia	sp, {r0 - r12}			@ Calling r0-r12
+	add	r8, sp, #S_PC
+	stmdb	r8, {sp, lr}^			@ Calling SP, LR
+	str	lr, [r8, #0]			@ Save calling PC
+	mrs	r6, spsr
+	str	r6, [r8, #4]			@ Save CPSR
+	str	r0, [r8, #8]			@ Save OLD_R0
+	mov	r0, sp
+	.endm
+
+	.macro	irq_restore_user_regs
+	ldmia	sp, {r0 - lr}^			@ Calling r0 - lr
+	mov	r0, r0
+	ldr	lr, [sp, #S_PC]			@ Get PC
+	add	sp, sp, #S_FRAME_SIZE
+	subs	pc, lr, #4			@ return & move spsr_svc into cpsr
+	.endm
+
+	.macro get_bad_stack
+	ldr	r13, IRQ_STACK_START_IN		@ setup our mode stack
+
+	str	lr, [r13]			@ save caller lr / spsr
+	mrs	lr, spsr
+	str	lr, [r13, #4]
+
+	mov	r13, #MODE_SVC			@ prepare SVC-Mode
+	msr	spsr_c, r13
+	mov	lr, pc
+	movs	pc, lr
+	.endm
+
+	.macro get_irq_stack			@ setup IRQ stack
+	ldr	sp, IRQ_STACK_START
+	.endm
+
+	.macro get_fiq_stack			@ setup FIQ stack
+	ldr	sp, FIQ_STACK_START
+	.endm
+
+/*
+ * exception handlers
+ */
+	.align	5
+undefined_instruction:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_undefined_instruction
+
+	.align	5
+software_interrupt:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_software_interrupt
+
+	.align	5
+prefetch_abort:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_prefetch_abort
+
+	.align	5
+data_abort:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_data_abort
+
+	.align	5
+not_used:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_not_used
+
+#ifdef CONFIG_USE_IRQ
+
+	.align	5
+irq:
+	get_irq_stack
+	irq_save_user_regs
+	bl	do_irq
+	irq_restore_user_regs
+
+	.align	5
+fiq:
+	get_fiq_stack
+	/* someone ought to write a more effiction fiq_save_user_regs */
+	irq_save_user_regs
+	bl	do_fiq
+	irq_restore_user_regs
+
+#else
+
+	.align	5
+irq:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_irq
+
+	.align	5
+fiq:
+	get_bad_stack
+	bad_save_user_regs
+	bl	do_fiq
+
+#endif
+
+#if defined(CONFIG_NETARM)
+	.align	5
+.globl reset_cpu
+reset_cpu:
+	ldr	r1, =NETARM_MEM_MODULE_BASE
+	ldr	r0, [r1, #+NETARM_MEM_CS0_BASE_ADDR]
+	ldr	r1, =0xFFFFF000
+	and	r0, r1, r0
+	ldr	r1, =(relocate-CONFIG_SYS_TEXT_BASE)
+	add	r0, r1, r0
+	ldr	r4, =NETARM_GEN_MODULE_BASE
+	ldr	r1, =NETARM_GEN_SW_SVC_RESETA
+	str	r1, [r4, #+NETARM_GEN_SOFTWARE_SERVICE]
+	ldr	r1, =NETARM_GEN_SW_SVC_RESETB
+	str	r1, [r4, #+NETARM_GEN_SOFTWARE_SERVICE]
+	ldr	r1, =NETARM_GEN_SW_SVC_RESETA
+	str	r1, [r4, #+NETARM_GEN_SOFTWARE_SERVICE]
+	ldr	r1, =NETARM_GEN_SW_SVC_RESETB
+	str	r1, [r4, #+NETARM_GEN_SOFTWARE_SERVICE]
+	mov	pc, r0
+#elif defined(CONFIG_S3C4510B)
+/* Nothing done here as reseting the CPU is board specific, depending
+ * on external peripherals such as watchdog timers, etc. */
+#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
+	/* No specific reset actions for IntegratorAP/CM720T as yet */
+#elif defined(CONFIG_LPC2292)
+	.align	5
+.globl reset_cpu
+reset_cpu:
+	mov	pc, r0
+#else
+#error No reset_cpu() defined for current CPU type
+#endif

arch/arm/cpu/arm920t/Makefile

@@ -0,0 +1,49 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(CPU).o
+
+START	= start.o
+
+COBJS-y	+= cpu.o
+COBJS-$(CONFIG_USE_IRQ)	+= interrupts.o
+
+SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS-y) $(SOBJS))
+START	:= $(addprefix $(obj),$(START))
+
+all:	$(obj).depend $(START) $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

arch/arm/cpu/arm920t/a320/Makefile

@@ -0,0 +1,46 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).o
+
+SOBJS	+= reset.o
+COBJS	+= timer.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all:	$(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

arch/arm/cpu/arm920t/a320/reset.S

@@ -0,0 +1,22 @@
+/*
+ * (C) Copyright 2009 Faraday Technology
+ * Po-Yu Chuang <ratbert@faraday-tech.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+.global reset_cpu
+reset_cpu:
+	b	reset_cpu

arch/arm/cpu/arm920t/a320/timer.c

@@ -0,0 +1,130 @@
+/*
+ * (C) Copyright 2009 Faraday Technology
+ * Po-Yu Chuang <ratbert@faraday-tech.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <div64.h>
+#include <asm/io.h>
+#include <faraday/ftpmu010.h>
+#include <faraday/fttmr010.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define TIMER_CLOCK	32768
+#define TIMER_LOAD_VAL	0xffffffff
+
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+	tick *= CONFIG_SYS_HZ;
+	do_div(tick, gd->timer_rate_hz);
+
+	return tick;
+}
+
+static inline unsigned long long usec_to_tick(unsigned long long usec)
+{
+	usec *= gd->timer_rate_hz;
+	do_div(usec, 1000000);
+
+	return usec;
+}
+
+int timer_init(void)
+{
+	struct fttmr010 *tmr = (struct fttmr010 *)CONFIG_FTTMR010_BASE;
+	unsigned int cr;
+
+	debug("%s()\n", __func__);
+
+	/* disable timers */
+	writel(0, &tmr->cr);
+
+	/* use 32768Hz oscillator for RTC, WDT, TIMER */
+	ftpmu010_32768osc_enable();
+
+	/* setup timer */
+	writel(TIMER_LOAD_VAL, &tmr->timer3_load);
+	writel(TIMER_LOAD_VAL, &tmr->timer3_counter);
+	writel(0, &tmr->timer3_match1);
+	writel(0, &tmr->timer3_match2);
+
+	/* we don't want timer to issue interrupts */
+	writel(FTTMR010_TM3_MATCH1 |
+	       FTTMR010_TM3_MATCH2 |
+	       FTTMR010_TM3_OVERFLOW,
+	       &tmr->interrupt_mask);
+
+	cr = readl(&tmr->cr);
+	cr |= FTTMR010_TM3_CLOCK;	/* use external clock */
+	cr |= FTTMR010_TM3_ENABLE;
+	writel(cr, &tmr->cr);
+
+	gd->timer_rate_hz = TIMER_CLOCK;
+	gd->tbu = gd->tbl = 0;
+
+	return 0;
+}
+
+/*
+ * Get the current 64 bit timer tick count
+ */
+unsigned long long get_ticks(void)
+{
+	struct fttmr010 *tmr = (struct fttmr010 *)CONFIG_FTTMR010_BASE;
+	ulong now = TIMER_LOAD_VAL - readl(&tmr->timer3_counter);
+
+	/* increment tbu if tbl has rolled over */
+	if (now < gd->tbl)
+		gd->tbu++;
+	gd->tbl = now;
+	return (((unsigned long long)gd->tbu) << 32) | gd->tbl;
+}
+
+void __udelay(unsigned long usec)
+{
+	unsigned long long start;
+	ulong tmo;
+
+	start = get_ticks();		/* get current timestamp */
+	tmo = usec_to_tick(usec);	/* convert usecs to ticks */
+	while ((get_ticks() - start) < tmo)
+		;			/* loop till time has passed */
+}
+
+/*
+ * get_timer(base) can be used to check for timeouts or
+ * to measure elasped time relative to an event:
+ *
+ * ulong start_time = get_timer(0) sets start_time to the current
+ * time value.
+ * get_timer(start_time) returns the time elapsed since then.
+ *
+ * The time is used in CONFIG_SYS_HZ units!
+ */
+ulong get_timer(ulong base)
+{
+	return tick_to_time(get_ticks()) - base;
+}
+
+/*
+ * Return the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+	return gd->timer_rate_hz;
+}

arch/arm/cpu/arm920t/at91/Makefile

@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).o
+
+SOBJS	+= lowlevel_init.o
+COBJS	+= reset.o
+COBJS	+= timer.o
+COBJS	+= clock.o
+COBJS	+= cpu.o
+COBJS	+= at91rm9200_devices.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all:	$(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

arch/arm/cpu/arm920t/at91/at91rm9200_devices.c

@@ -0,0 +1,83 @@
+/*
+ * [partely copied from arch/arm/cpu/arm926ejs/at91/arm9260_devices.c]
+ *
+ * (C) Copyright 2011
+ * Andreas Bießmann <andreas.devel@googlemail.com>
+ *
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian@popies.net>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/gpio.h>
+
+/*
+ * if CONFIG_AT91_GPIO_PULLUP ist set, keep pullups on on all
+ * peripheral pins. Good to have if hardware is soldered optionally
+ * or in case of SPI no slave is selected. Avoid lines to float
+ * needlessly. Use a short local PUP define.
+ *
+ * Due to errata "TXD floats when CTS is inactive" pullups are always
+ * on for TXD pins.
+ */
+#ifdef CONFIG_AT91_GPIO_PULLUP
+# define PUP CONFIG_AT91_GPIO_PULLUP
+#else
+# define PUP 0
+#endif
+
+void at91_serial0_hw_init(void)
+{
+	at91_pmc_t	*pmc	= (at91_pmc_t *)ATMEL_BASE_PMC;
+
+	at91_set_a_periph(AT91_PIO_PORTA, 17, 1);		/* TXD0 */
+	at91_set_a_periph(AT91_PIO_PORTA, 18, PUP);		/* RXD0 */
+	writel(1 << ATMEL_ID_USART0, &pmc->pcer);
+}
+
+void at91_serial1_hw_init(void)
+{
+	at91_pmc_t	*pmc	= (at91_pmc_t *)ATMEL_BASE_PMC;
+
+	at91_set_a_periph(AT91_PIO_PORTB, 20, PUP);		/* RXD1 */
+	at91_set_a_periph(AT91_PIO_PORTB, 21, 1);		/* TXD1 */
+	writel(1 << ATMEL_ID_USART1, &pmc->pcer);
+}
+
+void at91_serial2_hw_init(void)
+{
+	at91_pmc_t	*pmc	= (at91_pmc_t *)ATMEL_BASE_PMC;
+
+	at91_set_a_periph(AT91_PIO_PORTA, 22, PUP);		/* RXD2 */
+	at91_set_a_periph(AT91_PIO_PORTA, 23, 1);		/* TXD2 */
+	writel(1 << ATMEL_ID_USART2, &pmc->pcer);
+}
+
+void at91_seriald_hw_init(void)
+{
+	at91_set_a_periph(AT91_PIO_PORTA, 30, PUP);		/* DRXD */
+	at91_set_a_periph(AT91_PIO_PORTA, 31, 1);		/* DTXD */
+	/* writing SYS to PCER has no effect on AT91RM9200 */
+}

arch/arm/cpu/arm920t/at91/clock.c

@@ -0,0 +1,158 @@
+/*
+ * [origin: Linux kernel linux/arch/arm/mach-at91/clock.c]
+ *
+ * Copyright (C) 2011 Andreas Bießmann
+ * Copyright (C) 2005 David Brownell
+ * Copyright (C) 2005 Ivan Kokshaysky
+ * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/clk.h>
+
+#if !defined(CONFIG_AT91FAMILY)
+# error You need to define CONFIG_AT91FAMILY in your board config!
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static unsigned long at91_css_to_rate(unsigned long css)
+{
+	switch (css) {
+	case AT91_PMC_MCKR_CSS_SLOW:
+		return CONFIG_SYS_AT91_SLOW_CLOCK;
+	case AT91_PMC_MCKR_CSS_MAIN:
+		return gd->main_clk_rate_hz;
+	case AT91_PMC_MCKR_CSS_PLLA:
+		return gd->plla_rate_hz;
+	case AT91_PMC_MCKR_CSS_PLLB:
+		return gd->pllb_rate_hz;
+	}
+
+	return 0;
+}
+
+#ifdef CONFIG_USB_ATMEL
+static unsigned at91_pll_calc(unsigned main_freq, unsigned out_freq)
+{
+	unsigned i, div = 0, mul = 0, diff = 1 << 30;
+	unsigned ret = (out_freq > 155000000) ? 0xbe00 : 0x3e00;
+
+	/* PLL output max 240 MHz (or 180 MHz per errata) */
+	if (out_freq > 240000000)
+		goto fail;
+
+	for (i = 1; i < 256; i++) {
+		int diff1;
+		unsigned input, mul1;
+
+		/*
+		 * PLL input between 1MHz and 32MHz per spec, but lower
+		 * frequences seem necessary in some cases so allow 100K.
+		 * Warning: some newer products need 2MHz min.
+		 */
+		input = main_freq / i;
+		if (input < 100000)
+			continue;
+		if (input > 32000000)
+			continue;
+
+		mul1 = out_freq / input;
+		if (mul1 > 2048)
+			continue;
+		if (mul1 < 2)
+			goto fail;
+
+		diff1 = out_freq - input * mul1;
+		if (diff1 < 0)
+			diff1 = -diff1;
+		if (diff > diff1) {
+			diff = diff1;
+			div = i;
+			mul = mul1;
+			if (diff == 0)
+				break;
+		}
+	}
+	if (i == 256 && diff > (out_freq >> 5))
+		goto fail;
+	return ret | ((mul - 1) << 16) | div;
+fail:
+	return 0;
+}
+#endif
+
+static u32 at91_pll_rate(u32 freq, u32 reg)
+{
+	unsigned mul, div;
+
+	div = reg & 0xff;
+	mul = (reg >> 16) & 0x7ff;
+	if (div && mul) {
+		freq /= div;
+		freq *= mul + 1;
+	} else
+		freq = 0;
+
+	return freq;
+}
+
+int at91_clock_init(unsigned long main_clock)
+{
+	unsigned freq, mckr;
+	at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
+#ifndef CONFIG_SYS_AT91_MAIN_CLOCK
+	unsigned tmp;
+	/*
+	 * When the bootloader initialized the main oscillator correctly,
+	 * there's no problem using the cycle counter.  But if it didn't,
+	 * or when using oscillator bypass mode, we must be told the speed
+	 * of the main clock.
+	 */
+	if (!main_clock) {
+		do {
+			tmp = readl(&pmc->mcfr);
+		} while (!(tmp & AT91_PMC_MCFR_MAINRDY));
+		tmp &= AT91_PMC_MCFR_MAINF_MASK;
+		main_clock = tmp * (CONFIG_SYS_AT91_SLOW_CLOCK / 16);
+	}
+#endif
+	gd->main_clk_rate_hz = main_clock;
+
+	/* report if PLLA is more than mildly overclocked */
+	gd->plla_rate_hz = at91_pll_rate(main_clock, readl(&pmc->pllar));
+
+#ifdef CONFIG_USB_ATMEL
+	/*
+	 * USB clock init:  choose 48 MHz PLLB value,
+	 * disable 48MHz clock during usb peripheral suspend.
+	 *
+	 * REVISIT:  assumes MCK doesn't derive from PLLB!
+	 */
+	gd->at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) |
+			     AT91_PMC_PLLBR_USBDIV_2;
+	gd->pllb_rate_hz = at91_pll_rate(main_clock, gd->at91_pllb_usb_init);
+#endif
+
+	/*
+	 * MCK and CPU derive from one of those primary clocks.
+	 * For now, assume this parentage won't change.
+	 */
+	mckr = readl(&pmc->mckr);
+	gd->mck_rate_hz = at91_css_to_rate(mckr & AT91_PMC_MCKR_CSS_MASK);
+	freq = gd->mck_rate_hz;
+
+	freq /= (1 << ((mckr & AT91_PMC_MCKR_PRES_MASK) >> 2));	/* prescale */
+	/* mdiv */
+	gd->mck_rate_hz = freq / (1 + ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8));
+	gd->cpu_clk_rate_hz = freq;
+
+	return 0;
+}

arch/arm/cpu/arm920t/at91/cpu.c

@@ -0,0 +1,42 @@
+/*
+ * [origin: arch/arm/cpu/arm926ejs/at91/cpu.c]
+ *
+ * (C) Copyright 2011
+ * Andreas Bießmann, andreas.devel@googlemail.com
+ * (C) Copyright 2010
+ * Reinhard Meyer, reinhard.meyer@emk-elektronik.de
+ * (C) Copyright 2009
+ * Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/clk.h>
+
+#ifndef CONFIG_SYS_AT91_MAIN_CLOCK
+#define CONFIG_SYS_AT91_MAIN_CLOCK 0
+#endif
+
+int arch_cpu_init(void)
+{
+	return at91_clock_init(CONFIG_SYS_AT91_MAIN_CLOCK);
+}

arch/arm/cpu/arm920t/at91/lowlevel_init.S

@@ -0,0 +1,168 @@
+/*
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
+ *		       Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
+ *
+ * Modified for the at91rm9200dk board by
+ * (C) Copyright 2004
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+
+#include <asm/arch/hardware.h>
+#include <asm/arch/at91_mc.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_pio.h>
+
+#define ARM920T_CONTROL	0xC0000000	/* @ set bit 31 (iA) and 30 (nF) */
+
+_MTEXT_BASE:
+#undef START_FROM_MEM
+#ifdef START_FROM_MEM
+	.word	CONFIG_SYS_TEXT_BASE-PHYS_FLASH_1
+#else
+	.word	CONFIG_SYS_TEXT_BASE
+#endif
+
+.globl lowlevel_init
+lowlevel_init:
+	ldr     r1, =AT91_ASM_PMC_MOR
+	/* Main oscillator Enable register */
+#ifdef CONFIG_SYS_USE_MAIN_OSCILLATOR
+	ldr     r0, =0x0000FF01		/* Enable main oscillator */
+#else
+	ldr     r0, =0x0000FF00		/* Disable main oscillator */
+#endif
+	str     r0, [r1] /*AT91C_CKGR_MOR] */
+	/* Add loop to compensate Main Oscillator startup time */
+	ldr     r0, =0x00000010
+LoopOsc:
+	subs    r0, r0, #1
+	bhi     LoopOsc
+
+	/* memory control configuration */
+	/* this isn't very elegant, but	 what the heck */
+	ldr	r0, =SMRDATA
+	ldr	r1, _MTEXT_BASE
+	sub	r0, r0, r1
+	ldr	r2, =SMRDATAE
+	sub	r2, r2, r1
+pllloop:
+	/* the address */
+	ldr	r1, [r0], #4
+	/* the value */
+	ldr	r3, [r0], #4
+	str	r3, [r1]
+	cmp	r2, r0
+	bne	pllloop
+	/* delay - this is all done by guess */
+	ldr	r0, =0x00010000
+	/* (vs reading PMC_SR for LOCKA, LOCKB ... or MOSCS earlier) */
+lock:
+	subs	r0, r0, #1
+	bhi	lock
+	ldr	r0, =SMRDATA1
+	ldr	r1, _MTEXT_BASE
+	sub	r0, r0, r1
+	ldr	r2, =SMRDATA1E
+	sub	r2, r2, r1
+sdinit:
+	/* the address */
+	ldr	r1, [r0], #4
+	/* the value */
+	ldr	r3, [r0], #4
+	str	r3, [r1]
+	cmp	r2, r0
+	bne	sdinit
+
+	/* switch from FastBus to Asynchronous clock mode */
+	mrc	p15, 0, r0, c1, c0, 0
+	orr	r0, r0, #ARM920T_CONTROL
+	mcr	p15, 0, r0, c1, c0, 0
+
+	/* everything is fine now */
+	mov	pc, lr
+
+	.ltorg
+
+SMRDATA:
+	.word AT91_ASM_MC_EBI_CFG
+	.word CONFIG_SYS_EBI_CFGR_VAL
+	.word AT91_ASM_MC_SMC_CSR0
+	.word CONFIG_SYS_SMC_CSR0_VAL
+	.word AT91_ASM_PMC_PLLAR
+	.word CONFIG_SYS_PLLAR_VAL
+	.word AT91_ASM_PMC_PLLBR
+	.word CONFIG_SYS_PLLBR_VAL
+	.word AT91_ASM_PMC_MCKR
+	.word CONFIG_SYS_MCKR_VAL
+SMRDATAE:
+	/* here there's a delay */
+SMRDATA1:
+	.word AT91_ASM_PIOC_ASR
+	.word CONFIG_SYS_PIOC_ASR_VAL
+	.word AT91_ASM_PIOC_BSR
+	.word CONFIG_SYS_PIOC_BSR_VAL
+	.word AT91_ASM_PIOC_PDR
+	.word CONFIG_SYS_PIOC_PDR_VAL
+	.word AT91_ASM_MC_EBI_CSA
+	.word CONFIG_SYS_EBI_CSA_VAL
+	.word AT91_ASM_MC_SDRAMC_CR
+	.word CONFIG_SYS_SDRC_CR_VAL
+	.word AT91_ASM_MC_SDRAMC_MR
+	.word CONFIG_SYS_SDRC_MR_VAL
+	.word CONFIG_SYS_SDRAM
+	.word CONFIG_SYS_SDRAM_VAL
+	.word AT91_ASM_MC_SDRAMC_MR
+	.word CONFIG_SYS_SDRC_MR_VAL1
+	.word CONFIG_SYS_SDRAM
+	.word CONFIG_SYS_SDRAM_VAL
+	.word CONFIG_SYS_SDRAM
+	.word CONFIG_SYS_SDRAM_VAL
+	.word CONFIG_SYS_SDRAM
+	.word CONFIG_SYS_SDRAM_VAL
+	.word CONFIG_SYS_SDRAM
+	.word CONFIG_SYS_SDRAM_VAL
+	.word CONFIG_SYS_SDRAM
+	.word CONFIG_SYS_SDRAM_VAL
+	.word CONFIG_SYS_SDRAM
+	.word CONFIG_SYS_SDRAM_VAL
+	.word CONFIG_SYS_SDRAM
+	.word CONFIG_SYS_SDRAM_VAL
+	.word CONFIG_SYS_SDRAM
+	.word CONFIG_SYS_SDRAM_VAL
+	.word AT91_ASM_MC_SDRAMC_MR
+	.word CONFIG_SYS_SDRC_MR_VAL2
+	.word CONFIG_SYS_SDRAM1
+	.word CONFIG_SYS_SDRAM_VAL
+	.word AT91_ASM_MC_SDRAMC_TR
+	.word CONFIG_SYS_SDRC_TR_VAL
+	.word CONFIG_SYS_SDRAM
+	.word CONFIG_SYS_SDRAM_VAL
+	.word AT91_ASM_MC_SDRAMC_MR
+	.word CONFIG_SYS_SDRC_MR_VAL3
+	.word CONFIG_SYS_SDRAM
+	.word CONFIG_SYS_SDRAM_VAL
+SMRDATA1E:
+	/* SMRDATA1 is 176 bytes long */
+#endif /* CONFIG_SKIP_LOWLEVEL_INIT */

arch/arm/cpu/arm920t/at91/reset.c

@@ -0,0 +1,57 @@
+/*
+ * (C) Copyright 2002
+ * Lineo, Inc. <www.lineo.com>
+ * Bernhard Kuhn <bkuhn@lineo.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/at91_st.h>
+
+void  __attribute__((weak)) board_reset(void)
+{
+	/* true empty function for defining weak symbol */
+}
+
+void reset_cpu(ulong ignored)
+{
+	at91_st_t *st = (at91_st_t *) ATMEL_BASE_ST;
+
+	board_reset();
+
+	/* Reset the cpu by setting up the watchdog timer */
+	writel(AT91_ST_WDMR_RSTEN | AT91_ST_WDMR_EXTEN | AT91_ST_WDMR_WDV(2),
+		&st->wdmr);
+	writel(AT91_ST_CR_WDRST, &st->cr);
+	/* and let it timeout */
+	while (1)
+		;
+	/* Never reached */
+}

arch/arm/cpu/arm920t/at91/timer.c

@@ -0,0 +1,143 @@
+/*
+ * (C) Copyright 2002
+ * Lineo, Inc. <www.lineo.com>
+ * Bernhard Kuhn <bkuhn@lineo.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+#include <asm/io.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/at91_tc.h>
+#include <asm/arch/at91_pmc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* the number of clocks per CONFIG_SYS_HZ */
+#define TIMER_LOAD_VAL (CONFIG_SYS_HZ_CLOCK/CONFIG_SYS_HZ)
+
+int timer_init(void)
+{
+	at91_tc_t *tc = (at91_tc_t *) ATMEL_BASE_TC;
+	at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
+
+	/* enables TC1.0 clock */
+	writel(1 << ATMEL_ID_TC0, &pmc->pcer);	/* enable clock */
+
+	writel(0, &tc->bcr);
+	writel(AT91_TC_BMR_TC0XC0S_NONE | AT91_TC_BMR_TC1XC1S_NONE |
+		AT91_TC_BMR_TC2XC2S_NONE , &tc->bmr);
+
+	writel(AT91_TC_CCR_CLKDIS, &tc->tc[0].ccr);
+	/* set to MCLK/2 and restart the timer
+	when the value in TC_RC is reached */
+	writel(AT91_TC_CMR_TCCLKS_CLOCK1 | AT91_TC_CMR_CPCTRG, &tc->tc[0].cmr);
+
+	writel(0xFFFFFFFF, &tc->tc[0].idr); /* disable interrupts */
+	writel(TIMER_LOAD_VAL, &tc->tc[0].rc);
+
+	writel(AT91_TC_CCR_SWTRG | AT91_TC_CCR_CLKEN, &tc->tc[0].ccr);
+	gd->lastinc = 0;
+	gd->tbl = 0;
+
+	return 0;
+}
+
+/*
+ * timer without interrupts
+ */
+ulong get_timer(ulong base)
+{
+	return get_timer_masked() - base;
+}
+
+void __udelay(unsigned long usec)
+{
+	udelay_masked(usec);
+}
+
+ulong get_timer_raw(void)
+{
+	at91_tc_t *tc = (at91_tc_t *) ATMEL_BASE_TC;
+	u32 now;
+
+	now = readl(&tc->tc[0].cv) & 0x0000ffff;
+
+	if (now >= gd->lastinc) {
+		/* normal mode */
+		gd->tbl += now - gd->lastinc;
+	} else {
+		/* we have an overflow ... */
+		gd->tbl += now + TIMER_LOAD_VAL - gd->lastinc;
+	}
+	gd->lastinc = now;
+
+	return gd->tbl;
+}
+
+ulong get_timer_masked(void)
+{
+	return get_timer_raw()/TIMER_LOAD_VAL;
+}
+
+void udelay_masked(unsigned long usec)
+{
+	u32 tmo;
+	u32 endtime;
+	signed long diff;
+
+	tmo = CONFIG_SYS_HZ_CLOCK / 1000;
+	tmo *= usec;
+	tmo /= 1000;
+
+	endtime = get_timer_raw() + tmo;
+
+	do {
+		u32 now = get_timer_raw();
+		diff = endtime - now;
+	} while (diff >= 0);
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+	return get_timer(0);
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+	return CONFIG_SYS_HZ;
+}

arch/arm/cpu/arm920t/config.mk

@@ -0,0 +1,33 @@
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
+
+PLATFORM_CPPFLAGS += -march=armv4
+# =========================================================================
+#
+# Supply options according to compiler version
+#
+# =========================================================================
+PF_RELFLAGS_SLB_AT := $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
+PLATFORM_RELFLAGS += $(PF_RELFLAGS_SLB_AT)

arch/arm/cpu/arm920t/cpu.c

@@ -0,0 +1,64 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * CPU specific code
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/system.h>
+
+static void cache_flush(void);
+
+int cleanup_before_linux (void)
+{
+	/*
+	 * this function is called just before we call linux
+	 * it prepares the processor for linux
+	 *
+	 * we turn off caches etc ...
+	 */
+
+	disable_interrupts ();
+
+	/* turn off I/D-cache */
+	icache_disable();
+	dcache_disable();
+	/* flush I/D-cache */
+	cache_flush();
+
+	return 0;
+}
+
+/* flush I/D-cache */
+static void cache_flush (void)
+{
+	unsigned long i = 0;
+
+	asm ("mcr p15, 0, %0, c7, c7, 0": :"r" (i));
+}

arch/arm/cpu/arm920t/ep93xx/Makefile

@@ -0,0 +1,55 @@
+#
+# Cirrus Logic EP93xx CPU-specific Makefile
+#
+# Copyright (C) 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
+#
+# Copyright (C) 2004, 2005
+# Cory T. Tusar, Videon Central, Inc., <ctusar@videon-central.com>
+#
+# Copyright (C) 2006
+# Dominic Rath <Dominic.Rath@gmx.de>
+#
+# Based on an original Makefile, which is
+#
+# (C) Copyright 2000, 2001, 2002
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this project.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).o
+
+COBJS   = cpu.o led.o speed.o timer.o
+SOBJS   = lowlevel_init.o
+
+SRCS    := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS    := $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all:    $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

arch/arm/cpu/arm920t/ep93xx/cpu.c

@@ -0,0 +1,51 @@
+/*
+ * Cirrus Logic EP93xx CPU-specific support.
+ *
+ * Copyright (C) 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
+ *
+ * Copyright (C) 2004, 2005
+ * Cory T. Tusar, Videon Central, Inc., <ctusar@videon-central.com>
+ *
+ * See file CREDITS for list of people who contributed to this project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.	See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <asm/arch/ep93xx.h>
+#include <asm/io.h>
+
+/* We reset the CPU by generating a 1-->0 transition on DeviceCfg bit 31. */
+extern void reset_cpu(ulong addr)
+{
+	struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE;
+	uint32_t value;
+
+	/* Unlock DeviceCfg and set SWRST */
+	writel(0xAA, &syscon->sysswlock);
+	value = readl(&syscon->devicecfg);
+	value |= SYSCON_DEVICECFG_SWRST;
+	writel(value, &syscon->devicecfg);
+
+	/* Unlock DeviceCfg and clear SWRST */
+	writel(0xAA, &syscon->sysswlock);
+	value = readl(&syscon->devicecfg);
+	value &= ~SYSCON_DEVICECFG_SWRST;
+	writel(value, &syscon->devicecfg);
+
+	/* Dying... */
+	while (1)
+		; /* noop */
+}

arch/arm/cpu/arm920t/ep93xx/led.c

@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2010, 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <asm/io.h>
+#include <asm/arch/ep93xx.h>
+#include <config.h>
+#include <status_led.h>
+
+static uint8_t saved_state[2] = {STATUS_LED_OFF, STATUS_LED_OFF};
+static uint32_t gpio_pin[2] = {1 << STATUS_LED_GREEN,
+			       1 << STATUS_LED_RED};
+
+inline void switch_LED_on(uint8_t led)
+{
+	register struct gpio_regs *gpio = (struct gpio_regs *)GPIO_BASE;
+
+	writel(readl(&gpio->pedr) | gpio_pin[led], &gpio->pedr);
+	saved_state[led] = STATUS_LED_ON;
+}
+
+inline void switch_LED_off(uint8_t led)
+{
+	register struct gpio_regs *gpio = (struct gpio_regs *)GPIO_BASE;
+
+	writel(readl(&gpio->pedr) & ~gpio_pin[led], &gpio->pedr);
+	saved_state[led] = STATUS_LED_OFF;
+}
+
+void red_led_on(void)
+{
+	switch_LED_on(STATUS_LED_RED);
+}
+
+void red_led_off(void)
+{
+	switch_LED_off(STATUS_LED_RED);
+}
+
+void green_led_on(void)
+{
+	switch_LED_on(STATUS_LED_GREEN);
+}
+
+void green_led_off(void)
+{
+	switch_LED_off(STATUS_LED_GREEN);
+}
+
+void __led_init(led_id_t mask, int state)
+{
+	__led_set(mask, state);
+}
+
+void __led_toggle(led_id_t mask)
+{
+	if (STATUS_LED_RED == mask) {
+		if (STATUS_LED_ON == saved_state[STATUS_LED_RED])
+			red_led_off();
+		else
+			red_led_on();
+	} else if (STATUS_LED_GREEN == mask) {
+		if (STATUS_LED_ON == saved_state[STATUS_LED_GREEN])
+			green_led_off();
+		else
+			green_led_on();
+	}
+}
+
+void __led_set(led_id_t mask, int state)
+{
+	if (STATUS_LED_RED == mask) {
+		if (STATUS_LED_ON == state)
+			red_led_on();
+		else
+			red_led_off();
+	} else if (STATUS_LED_GREEN == mask) {
+		if (STATUS_LED_ON == state)
+			green_led_on();
+		else
+			green_led_off();
+	}
+}

arch/arm/cpu/arm920t/ep93xx/lowlevel_init.S

@@ -0,0 +1,65 @@
+/*
+ * Low-level initialization for EP93xx
+ *
+ * Copyright (C) 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
+ *
+ * Copyright (C) 2006 Dominic Rath <Dominic.Rath@gmx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <version.h>
+#include <asm/arch/ep93xx.h>
+
+.globl lowlevel_init
+lowlevel_init:
+	/* backup return address */
+	ldr r1, =SYSCON_SCRATCH0
+	str lr, [r1]
+
+	/* Turn on both LEDs */
+	bl red_led_on
+	bl green_led_on
+
+	/* Configure flash wait states before we switch to the PLL */
+	bl flash_cfg
+
+	/* Set up PLL */
+	bl pll_cfg
+
+	/* Turn off the Green LED and leave the Red LED on */
+	bl green_led_off
+
+	/* Setup SDRAM */
+	bl sdram_cfg
+
+	/* Turn on Green LED, Turn off the Red LED */
+	bl green_led_on
+	bl red_led_off
+
+	/* FIXME: we use async mode for now */
+	mrc p15, 0, r0, c1, c0, 0
+	orr r0, r0, #0xc0000000
+	mcr p15, 0, r0, c1, c0, 0
+
+	/* restore return address */
+	ldr r1, =SYSCON_SCRATCH0
+	ldr lr, [r1]
+
+	mov pc, lr

arch/arm/cpu/arm920t/ep93xx/speed.c

@@ -0,0 +1,110 @@
+/*
+ * Cirrus Logic EP93xx PLL support.
+ *
+ * Copyright (C) 2009 Matthias Kaehlcke <matthias@kaehlcke.net>
+ *
+ * See file CREDITS for list of people who contributed to this project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <asm/arch/ep93xx.h>
+#include <asm/io.h>
+#include <div64.h>
+
+/*
+ * CONFIG_SYS_CLK_FREQ should be defined as the input frequency of the PLL.
+ *
+ * get_FCLK(), get_HCLK(), get_PCLK() and get_UCLK() return the clock of
+ * the specified bus in HZ.
+ */
+
+/*
+ * return the PLL output frequency
+ *
+ * PLL rate = CONFIG_SYS_CLK_FREQ * (X1FBD + 1) * (X2FBD + 1)
+ * / (X2IPD + 1) / 2^PS
+ */
+static ulong get_PLLCLK(uint32_t *pllreg)
+{
+	uint8_t i;
+	const uint32_t clkset = readl(pllreg);
+	uint64_t rate = CONFIG_SYS_CLK_FREQ;
+	rate *= ((clkset >> SYSCON_CLKSET_PLL_X1FBD1_SHIFT) & 0x1f) + 1;
+	rate *= ((clkset >> SYSCON_CLKSET_PLL_X2FBD2_SHIFT) & 0x3f) + 1;
+	do_div(rate, (clkset  & 0x1f) + 1);			/* X2IPD */
+	for (i = 0; i < ((clkset >> SYSCON_CLKSET_PLL_PS_SHIFT) & 3); i++)
+		rate >>= 1;
+
+	return (ulong)rate;
+}
+
+/* return FCLK frequency */
+ulong get_FCLK()
+{
+	const uint8_t fclk_divisors[] = { 1, 2, 4, 8, 16, 1, 1, 1 };
+	struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE;
+
+	const uint32_t clkset1 = readl(&syscon->clkset1);
+	const uint8_t fclk_div =
+		fclk_divisors[(clkset1 >> SYSCON_CLKSET1_FCLK_DIV_SHIFT) & 7];
+	const ulong fclk_rate = get_PLLCLK(&syscon->clkset1) / fclk_div;
+
+	return fclk_rate;
+}
+
+/* return HCLK frequency */
+ulong get_HCLK(void)
+{
+	const uint8_t hclk_divisors[] = { 1, 2, 4, 5, 6, 8, 16, 32 };
+	struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE;
+
+	const uint32_t clkset1 = readl(&syscon->clkset1);
+	const uint8_t hclk_div =
+		hclk_divisors[(clkset1 >> SYSCON_CLKSET1_HCLK_DIV_SHIFT) & 7];
+	const ulong hclk_rate = get_PLLCLK(&syscon->clkset1) / hclk_div;
+
+	return hclk_rate;
+}
+
+/* return PCLK frequency */
+ulong get_PCLK(void)
+{
+	const uint8_t pclk_divisors[] = { 1, 2, 4, 8 };
+	struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE;
+
+	const uint32_t clkset1 = readl(&syscon->clkset1);
+	const uint8_t pclk_div =
+		pclk_divisors[(clkset1 >> SYSCON_CLKSET1_PCLK_DIV_SHIFT) & 3];
+	const ulong pclk_rate = get_HCLK() / pclk_div;
+
+	return pclk_rate;
+}
+
+/* return UCLK frequency */
+ulong get_UCLK(void)
+{
+	struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE;
+	ulong uclk_rate;
+
+	const uint32_t value = readl(&syscon->pwrcnt);
+	if (value & SYSCON_PWRCNT_UART_BAUD)
+		uclk_rate = CONFIG_SYS_CLK_FREQ;
+	else
+		uclk_rate = CONFIG_SYS_CLK_FREQ / 2;
+
+	return uclk_rate;
+}

arch/arm/cpu/arm920t/ep93xx/timer.c

@@ -0,0 +1,134 @@
+/*
+ * Cirrus Logic EP93xx timer support.
+ *
+ * Copyright (C) 2009, 2010 Matthias Kaehlcke <matthias@kaehlcke.net>
+ *
+ * Copyright (C) 2004, 2005
+ * Cory T. Tusar, Videon Central, Inc., <ctusar@videon-central.com>
+ *
+ * Based on the original intr.c Cirrus Logic EP93xx Rev D. interrupt support,
+ * author unknown.
+ *
+ * See file CREDITS for list of people who contributed to this project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <common.h>
+#include <linux/types.h>
+#include <asm/arch/ep93xx.h>
+#include <asm/io.h>
+#include <div64.h>
+
+#define TIMER_CLKSEL	(1 << 3)
+#define TIMER_ENABLE	(1 << 7)
+
+#define TIMER_FREQ			508469		/* ticks / second */
+#define TIMER_MAX_VAL			0xFFFFFFFF
+
+static struct ep93xx_timer
+{
+	unsigned long long ticks;
+	unsigned long last_read;
+} timer;
+
+static inline unsigned long long usecs_to_ticks(unsigned long usecs)
+{
+	unsigned long long ticks = (unsigned long long)usecs * TIMER_FREQ;
+	do_div(ticks, 1000 * 1000);
+
+	return ticks;
+}
+
+static inline void read_timer(void)
+{
+	struct timer_regs *timer_regs = (struct timer_regs *)TIMER_BASE;
+	const unsigned long now = TIMER_MAX_VAL - readl(&timer_regs->timer3.value);
+
+	if (now >= timer.last_read)
+		timer.ticks += now - timer.last_read;
+	else
+		/* an overflow occurred */
+		timer.ticks += TIMER_MAX_VAL - timer.last_read + now;
+
+	timer.last_read = now;
+}
+
+/*
+ * Get the number of ticks (in CONFIG_SYS_HZ resolution)
+ */
+unsigned long long get_ticks(void)
+{
+	unsigned long long sys_ticks;
+
+	read_timer();
+
+	sys_ticks = timer.ticks * CONFIG_SYS_HZ;
+	do_div(sys_ticks, TIMER_FREQ);
+
+	return sys_ticks;
+}
+
+unsigned long get_timer_masked(void)
+{
+	return get_ticks();
+}
+
+unsigned long get_timer(unsigned long base)
+{
+	return get_timer_masked() - base;
+}
+
+void __udelay(unsigned long usec)
+{
+	unsigned long long target;
+
+	read_timer();
+
+	target = timer.ticks + usecs_to_ticks(usec);
+
+	while (timer.ticks < target)
+		read_timer();
+}
+
+int timer_init(void)
+{
+	struct timer_regs *timer_regs = (struct timer_regs *)TIMER_BASE;
+
+	/* use timer 3 with 508KHz and free running, not enabled now */
+	writel(TIMER_CLKSEL, &timer_regs->timer3.control);
+
+	/* set initial timer value */
+	writel(TIMER_MAX_VAL, &timer_regs->timer3.load);
+
+	/* Enable the timer */
+	writel(TIMER_ENABLE | TIMER_CLKSEL,
+		&timer_regs->timer3.control);
+
+	/* Reset the timer */
+	read_timer();
+	timer.ticks = 0;
+
+	return 0;
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+unsigned long get_tbclk(void)
+{
+	return CONFIG_SYS_HZ;
+}

arch/arm/cpu/arm920t/ep93xx/u-boot.lds

@@ -0,0 +1,61 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text      :
+	{
+	  arch/arm/cpu/arm920t/start.o	(.text)
+		/* the EP93xx expects to find the pattern 'CRUS' at 0x1000 */
+	  . = 0x1000;
+	  LONG(0x53555243)
+	  *(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata : { *(.rodata) }
+
+	. = ALIGN(4);
+	.data : { *(.data) }
+
+	. = ALIGN(4);
+	.got : { *(.got) }
+
+	. = .;
+	__u_boot_cmd_start = .;
+	.u_boot_cmd : { *(.u_boot_cmd) }
+	__u_boot_cmd_end = .;
+
+	. = ALIGN(4);
+	__bss_start = .;
+	.bss : { *(.bss) }
+	__bss_end__ = .;
+
+	_end = .;
+}

arch/arm/cpu/arm920t/imx/Makefile

@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).o
+
+COBJS	+= generic.o
+COBJS	+= speed.o
+COBJS	+= timer.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all:	$(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################

arch/arm/cpu/arm920t/imx/timer.c

@@ -0,0 +1,123 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#if defined (CONFIG_IMX)
+
+#include <asm/arch/imx-regs.h>
+
+int timer_init (void)
+{
+	int i;
+	/* setup GP Timer 1 */
+	TCTL1 = TCTL_SWR;
+	for ( i=0; i<100; i++) TCTL1 = 0; /* We have no udelay by now */
+	TPRER1 = get_PERCLK1() / 1000000; /* 1 MHz */
+	TCTL1 |= TCTL_FRR | (1<<1); /* Freerun Mode, PERCLK1 input */
+
+	/* Reset the timer */
+	TCTL1 &= ~TCTL_TEN;
+	TCTL1 |= TCTL_TEN; /* Enable timer */
+
+	return (0);
+}
+
+/*
+ * timer without interrupts
+ */
+ulong get_timer (ulong base)
+{
+	return get_timer_masked() - base;
+}
+
+ulong get_timer_masked (void)
+{
+	return TCN1;
+}
+
+void udelay_masked (unsigned long usec)
+{
+	ulong endtime = get_timer_masked() + usec;
+	signed long diff;
+
+	do {
+		ulong now = get_timer_masked ();
+		diff = endtime - now;
+	} while (diff >= 0);
+}
+
+void __udelay (unsigned long usec)
+{
+	udelay_masked(usec);
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+	return get_timer(0);
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk (void)
+{
+	ulong tbclk;
+
+	tbclk = CONFIG_SYS_HZ;
+
+	return tbclk;
+}
+
+/*
+ * Reset the cpu by setting up the watchdog timer and let him time out
+ */
+void reset_cpu (ulong ignored)
+{
+	/* Disable watchdog and set Time-Out field to 0 */
+	WCR = 0x00000000;
+
+	/* Write Service Sequence */
+	WSR = 0x00005555;
+	WSR = 0x0000AAAA;
+
+	/* Enable watchdog */
+	WCR = 0x00000001;
+
+	while (1);
+	/*NOTREACHED*/
+}
+
+#endif /* defined (CONFIG_IMX) */

arch/arm/cpu/arm920t/interrupts.c

@@ -0,0 +1,43 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/proc-armv/ptrace.h>
+
+#if defined (CONFIG_ARCH_INTEGRATOR)
+void do_irq (struct pt_regs *pt_regs)
+{
+	/* ASSUMED to be a timer interrupt  */
+	/* Just clear it - count handled in */
+	/* integratorap.c                   */
+	*(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0x0C) = 0;
+}
+#endif

arch/arm/cpu/arm920t/ks8695/Makefile

@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).o
+
+SOBJS	= lowlevel_init.o
+
+COBJS	= timer.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+all:	$(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################