Add support for gth2 board
Patch by Thomas Lange, Aug 11 2005
This commit is contained in:
Wolfgang Denk
parent
c12cffc543
commit
0c32d96ddd
@ -2,6 +2,9 @@
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Changes since U-Boot 1.1.4:
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======================================================================
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* Add support for gth2 board
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Patch by Thomas Lange, Aug 11 2005
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* Add support for CONFIG_SERIAL_MULTI on MPC5xxx
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Patch by Martin Krause, 8 Jun 2006
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2
CREDITS
2
CREDITS
@ -253,7 +253,7 @@ D Support for Intrinsyc CERF PXA250 board.
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N: Thomas Lange
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E: thomas@corelatus.se
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D: Support for GTH and dbau1x00 boards; lots of PCMCIA fixes
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D: Support for GTH, GTH2 and dbau1x00 boards; lots of PCMCIA fixes
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N: Marc Leeman
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E: marc.leeman@barco.com
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@ -489,6 +489,7 @@ Wolfgang Denk <wd@denx.de>
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Thomas Lange <thomas@corelatus.se>
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dbau1x00 MIPS32 Au1000
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gth2 MIPS32 Au1000
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#########################################################################
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# Nios-32 Systems: #
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2
MAKEALL
2
MAKEALL
@ -226,7 +226,7 @@ LIST_mips4kc="incaip"
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LIST_mips5kc="purple"
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LIST_au1xx0="dbau1000 dbau1100 dbau1500 dbau1550 dbau1550_el"
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LIST_au1xx0="dbau1000 dbau1100 dbau1500 dbau1550 dbau1550_el gth2"
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LIST_mips="${LIST_mips4kc} ${LIST_mips5kc} ${LIST_au1xx0}"
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5
Makefile
5
Makefile
@ -1652,6 +1652,11 @@ cm4008_config : unconfig
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cm41xx_config : unconfig
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@./mkconfig $(@:_config=) arm arm920t cm41xx NULL ks8695
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gth2_config : unconfig
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@ >include/config.h
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@echo "#define CONFIG_GTH2 1" >>include/config.h
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@./mkconfig -a gth2 mips mips gth2
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#########################################################################
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## S3C44B0 Systems
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#########################################################################
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41
board/gth2/Makefile
Normal file
41
board/gth2/Makefile
Normal file
@ -0,0 +1,41 @@
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#
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# (C) Copyright 2005
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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include $(TOPDIR)/config.mk
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LIB = lib$(BOARD).a
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OBJS = $(BOARD).o flash.o ee_access.o
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SOBJS = lowlevel_init.o
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$(LIB): .depend $(OBJS) $(SOBJS)
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$(AR) crv $@ $(OBJS) $(SOBJS)
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#########################################################################
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.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
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$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
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sinclude .depend
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#########################################################################
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42
board/gth2/config.mk
Normal file
42
board/gth2/config.mk
Normal file
@ -0,0 +1,42 @@
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#
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# (C) Copyright 2004-2005
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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#
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# AMD Alchemy AU1000, MIPS32 core
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#
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ifeq ($(TBASE),0)
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TEXT_BASE = 0
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else
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ifeq ($(TBASE),1)
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TEXT_BASE = 0xbfc10070
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else
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ifeq ($(TBASE),2)
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TEXT_BASE = 0xbfc30070
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else
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## Only to make ordinary make work
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TEXT_BASE = 0x90000000
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endif
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endif
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endif
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347
board/gth2/ee_access.c
Normal file
347
board/gth2/ee_access.c
Normal file
@ -0,0 +1,347 @@
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/* Module for handling DALLAS DS2438, smart battery monitor
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Chip can store up to 40 bytes of user data in EEPROM,
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perform temp, voltage and current measurements.
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Chip also contains a unique serial number.
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Always read/write LSb first
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For documentaion, see data sheet for DS2438, 2438.pdf
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By Thomas.Lange@corelatus.com 001025
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Copyright (C) 2000-2005 Corelatus AB */
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/* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <command.h>
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#include <asm/au1x00.h>
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#include <asm/io.h>
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#include "ee_dev.h"
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#include "ee_access.h"
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/* static int Debug = 1; */
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#undef E_DEBUG
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#define E_DEBUG(fmt,args...) /* */
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/* #define E_DEBUG(fmt,args...) printk("EEA:"fmt,##args); */
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/* We dont have kernel functions */
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#define printk printf
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#define KERN_DEBUG
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#define KERN_ERR
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#define EIO 1
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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/* lookup table ripped from DS app note 17, understanding and using cyclic redundancy checks... */
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static u8 crc_lookup[256] = {
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0, 94, 188, 226, 97, 63, 221, 131,
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194, 156, 126, 32, 163, 253, 31, 65,
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157, 195, 33, 127, 252, 162, 64, 30,
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95, 1, 227, 189, 62, 96, 130, 220,
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35, 125, 159, 193, 66, 28, 254, 160,
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225, 191, 93, 3, 128, 222, 60, 98,
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190, 224, 2, 92, 223, 129, 99, 61,
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124, 34, 192, 158, 29, 67, 161, 255,
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70, 24, 250, 164, 39, 121, 155, 197,
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132, 218, 56, 102, 229, 187, 89, 7,
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219, 133, 103, 57, 186, 228, 6, 88,
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25, 71, 165, 251, 120, 38, 196, 154,
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101, 59, 217, 135, 4, 90, 184, 230,
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167, 249, 27, 69, 198, 152, 122, 36,
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248, 166, 68, 26, 153, 199, 37, 123,
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58, 100, 134, 216, 91, 5, 231, 185,
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140, 210, 48, 110, 237, 179, 81, 15,
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78, 16, 242, 172, 47, 113, 147, 205,
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17, 79, 173, 243, 112, 46, 204, 146,
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211, 141, 111, 49, 178, 236, 14, 80,
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175, 241, 19, 77, 206, 144, 114, 44,
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109, 51, 209, 143, 12, 82, 176, 238,
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50, 108, 142, 208, 83, 13, 239, 177,
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240, 174, 76, 18, 145, 207, 45, 115,
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202, 148, 118, 40, 171, 245, 23, 73,
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8, 86, 180, 234, 105, 55, 213, 139,
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87, 9, 235, 181, 54, 104, 138, 212,
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149, 203, 41, 119, 244, 170, 72, 22,
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233, 183, 85, 11, 136, 214, 52, 106,
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43, 117, 151, 201, 74, 20, 246, 168,
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116, 42, 200, 150, 21, 75, 169, 247,
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182, 232, 10, 84, 215, 137, 107, 53
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};
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static void
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write_gpio_data(int value ){
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if(value){
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/* Tristate */
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gpio_tristate(GPIO_EEDQ);
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}
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else{
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/* Drive 0 */
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gpio_clear(GPIO_EEDQ);
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}
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}
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static u8 make_new_crc( u8 Old_crc, u8 New_value ){
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/* Compute a new checksum with new byte, using previous checksum as input
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See DS app note 17, understanding and using cyclic redundancy checks...
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Also see DS2438, page 11 */
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return( crc_lookup[Old_crc ^ New_value ]);
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}
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int ee_crc_ok( u8 *Buffer, int Len, u8 Crc ){
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/* Check if the checksum for this buffer is correct */
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u8 Curr_crc=0;
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int i;
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u8 *Curr_byte = Buffer;
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for(i=0;i<Len;i++){
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Curr_crc = make_new_crc( Curr_crc, *Curr_byte);
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Curr_byte++;
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}
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E_DEBUG("Calculated CRC = 0x%x, read = 0x%x\n", Curr_crc, Crc);
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if(Curr_crc == Crc){
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/* Good */
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return(TRUE);
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}
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printk(KERN_ERR"EE checksum error, Calculated CRC = 0x%x, read = 0x%x\n", Curr_crc, Crc);
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return(FALSE);
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}
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static void
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set_idle(void){
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/* Send idle and keep start time
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Continous 1 is idle */
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WRITE_PORT(1);
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}
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static int
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do_cpu_reset(void){
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/* Release reset and verify that chip responds with presence pulse */
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int Retries=0;
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while(Retries<15){
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udelay(RESET_LOW_TIME);
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/* Send reset */
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WRITE_PORT(0);
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udelay(RESET_LOW_TIME);
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/* Release reset */
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WRITE_PORT(1);
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/* Wait for EEPROM to drive output */
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udelay(PRESENCE_TIMEOUT);
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if(!READ_PORT){
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/* Ok, EEPROM is driving a 0 */
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E_DEBUG("Presence detected\n");
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if(Retries){
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E_DEBUG("Retries %d\n",Retries);
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}
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/* Make sure chip releases pin */
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udelay(PRESENCE_LOW_TIME);
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return 0;
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}
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Retries++;
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}
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printk(KERN_ERR"eeprom did not respond when releasing reset\n");
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/* Make sure chip releases pin */
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udelay(PRESENCE_LOW_TIME);
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/* Set to idle again */
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set_idle();
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return(-EIO);
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}
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static u8
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read_cpu_byte(void){
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/* Read a single byte from EEPROM
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Read LSb first */
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int i;
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int Value;
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u8 Result=0;
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u32 Flags;
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E_DEBUG("Reading byte\n");
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for(i=0;i<8;i++){
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/* Small delay between pulses */
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udelay(1);
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#ifdef __KERNEL__
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/* Disable irq */
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save_flags(Flags);
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cli();
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#endif
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/* Pull down pin short time to start read
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See page 26 in data sheet */
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WRITE_PORT(0);
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udelay(READ_LOW);
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WRITE_PORT(1);
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/* Wait for chip to drive pin */
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udelay(READ_TIMEOUT);
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Value = READ_PORT;
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if(Value)
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Value=1;
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#ifdef __KERNEL__
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/* Enable irq */
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restore_flags(Flags);
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#endif
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/* Wait for chip to release pin */
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udelay(TOTAL_READ_LOW-READ_TIMEOUT);
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/* LSb first */
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Result|=Value<<i;
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/* E_DEBUG("Read %d\n",Value); */
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}
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E_DEBUG("Read byte 0x%x\n",Result);
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return(Result);
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}
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static void
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write_cpu_byte(u8 Byte){
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/* Write a single byte to EEPROM
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Write LSb first */
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int i;
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int Value;
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u32 Flags;
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E_DEBUG("Writing byte 0x%x\n",Byte);
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for(i=0;i<8;i++){
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/* Small delay between pulses */
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udelay(1);
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Value = Byte&1;
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#ifdef __KERNEL__
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/* Disable irq */
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save_flags(Flags);
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cli();
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#endif
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/* Pull down pin short time for a 1, long time for a 0
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See page 26 in data sheet */
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WRITE_PORT(0);
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if(Value){
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/* Write a 1 */
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udelay(WRITE_1_LOW);
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}
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else{
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/* Write a 0 */
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udelay(WRITE_0_LOW);
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}
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WRITE_PORT(1);
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#ifdef __KERNEL__
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/* Enable irq */
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restore_flags(Flags);
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#endif
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if(Value)
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/* Wait for chip to read the 1 */
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udelay(TOTAL_WRITE_LOW-WRITE_1_LOW);
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/* E_DEBUG("Wrote %d\n",Value); */
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Byte>>=1;
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}
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}
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int ee_do_cpu_command( u8 *Tx, int Tx_len, u8 *Rx, int Rx_len, int Send_skip ){
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/* Execute this command string, including
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giving reset and setting to idle after command
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if Rx_len is set, we read out data from EEPROM */
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int i;
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E_DEBUG("Command, Tx_len %d, Rx_len %d\n", Tx_len, Rx_len );
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if(do_cpu_reset()){
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/* Failed! */
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return(-EIO);
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}
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if(Send_skip)
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/* Always send SKIP_ROM first to tell chip we are sending a command,
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except when we read out rom data for chip */
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write_cpu_byte(SKIP_ROM);
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/* Always have Tx data */
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for(i=0;i<Tx_len;i++){
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write_cpu_byte(Tx[i]);
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}
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if(Rx_len){
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for(i=0;i<Rx_len;i++){
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Rx[i]=read_cpu_byte();
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}
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}
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set_idle();
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E_DEBUG("Command done\n");
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return(0);
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}
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int ee_init_cpu_data(void){
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int i;
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u8 Tx[10];
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/* Leave it floting since altera is driving the same pin */
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set_idle();
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/* Copy all User EEPROM data to scratchpad */
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for(i=0;i<USER_PAGES;i++){
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Tx[0]=RECALL_MEMORY;
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Tx[1]=EE_USER_PAGE_0+i;
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if(ee_do_cpu_command(Tx,2,NULL,0,TRUE)) return(-EIO);
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}
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/* Make sure chip doesnt store measurements in NVRAM */
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Tx[0]=WRITE_SCRATCHPAD;
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Tx[1]=0; /* Page */
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Tx[2]=9;
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if(ee_do_cpu_command(Tx,3,NULL,0,TRUE)) return(-EIO);
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Tx[0]=COPY_SCRATCHPAD;
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if(ee_do_cpu_command(Tx,2,NULL,0,TRUE)) return(-EIO);
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for(i=0;i<10;i++){
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udelay(1000);
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}
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return(0);
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}
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30
board/gth2/ee_access.h
Normal file
30
board/gth2/ee_access.h
Normal file
@ -0,0 +1,30 @@
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/* By Thomas.Lange@Corelatus.com 001025 */
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|
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/* Definitions for EEPROM/VOLT METER DS2438 */
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/* Copyright (C) 2000-2005 Corelatus AB */
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#ifndef INCeeaccessh
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#define INCeeaccessh
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#include <asm/types.h>
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||||
#include "ee_dev.h"
|
||||
|
||||
int ee_do_cpu_command( u8 *Tx, int Tx_len, u8 *Rx, int Rx_len, int Send_skip );
|
||||
int ee_init_cpu_data(void);
|
||||
|
||||
int ee_crc_ok( u8 *Buffer, int Len, u8 Crc );
|
||||
|
||||
/* Defs for altera reg */
|
||||
#define EE_WRITE_SHIFT 8 /* bits to shift left */
|
||||
#define EE_READ_SHIFT 16 /* bits to shift left */
|
||||
#define EE_DONE 0x80000000
|
||||
#define EE_BUSY 0x40000000
|
||||
#define EE_ERROR 0x20000000
|
||||
|
||||
/* Commands */
|
||||
#define EE_CMD_NOP 0
|
||||
#define EE_CMD_INIT_RES 1
|
||||
#define EE_CMD_WR_BYTE 2
|
||||
#define EE_CMD_RD_BYTE 3
|
||||
|
||||
#endif /* INCeeaccessh */
|
||||
96
board/gth2/ee_dev.h
Normal file
96
board/gth2/ee_dev.h
Normal file
@ -0,0 +1,96 @@
|
||||
/* By Thomas.Lange@Corelatus.com 001025 */
|
||||
/* Definitions for EEPROM/VOLT METER DS2438 */
|
||||
/* Copyright (C) 2000-2005 Corelatus AB */
|
||||
|
||||
/* 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
|
||||
*/
|
||||
|
||||
#ifndef INCeedevh
|
||||
#define INCeedevh
|
||||
|
||||
#define E_DEBUG(fmt,args...) if( Debug ) printk(KERN_DEBUG"EE: " fmt, ##args)
|
||||
|
||||
/* MIPS */
|
||||
#define WRITE_PORT(Value) write_gpio_data(Value)
|
||||
|
||||
#define READ_PORT (gpio_read()&GPIO_EEDQ)
|
||||
|
||||
/* 64 bytes chip */
|
||||
#define EE_CHIP_SIZE 64
|
||||
|
||||
/* Board with new current resistor */
|
||||
#define EE_GTH_0304 1
|
||||
|
||||
/* new dsp and 64 MB SDRAM */
|
||||
#define EE_DSP_64 0x10
|
||||
|
||||
/* microsecs */
|
||||
/* Pull line down at least this long for reset pulse */
|
||||
#define RESET_LOW_TIME 490
|
||||
|
||||
/* Read presence pulse after we release reset pulse */
|
||||
#define PRESENCE_TIMEOUT 100
|
||||
#define PRESENCE_LOW_TIME 200
|
||||
|
||||
#define WRITE_0_LOW 60
|
||||
#define WRITE_1_LOW 1
|
||||
#define TOTAL_WRITE_LOW 60
|
||||
|
||||
#define READ_LOW 1
|
||||
#define READ_TIMEOUT 10
|
||||
#define TOTAL_READ_LOW 70
|
||||
|
||||
/* Rom function commands */
|
||||
#define READ_ROM 0x33
|
||||
#define MATCH_ROM 0x55
|
||||
#define SKIP_ROM 0xCC
|
||||
#define SEARCH_ROM 0xF0
|
||||
|
||||
|
||||
/* Memory_command_function */
|
||||
#define WRITE_SCRATCHPAD 0x4E
|
||||
#define READ_SCRATCHPAD 0xBE
|
||||
#define COPY_SCRATCHPAD 0x48
|
||||
#define RECALL_MEMORY 0xB8
|
||||
#define CONVERT_TEMP 0x44
|
||||
#define CONVERT_VOLTAGE 0xB4
|
||||
|
||||
/* Chip is divided in 8 pages, 8 bytes each */
|
||||
|
||||
#define EE_PAGE_SIZE 8
|
||||
|
||||
/* All chip data we want are in page 0 */
|
||||
|
||||
/* Bytes in page 0 */
|
||||
#define EE_P0_STATUS 0
|
||||
#define EE_P0_TEMP_LSB 1
|
||||
#define EE_P0_TEMP_MSB 2
|
||||
#define EE_P0_VOLT_LSB 3
|
||||
#define EE_P0_VOLT_MSB 4
|
||||
#define EE_P0_CURRENT_LSB 5
|
||||
#define EE_P0_CURRENT_MSB 6
|
||||
|
||||
|
||||
/* 40 byte user data is located at page 3-7 */
|
||||
#define EE_USER_PAGE_0 3
|
||||
#define USER_PAGES 5
|
||||
|
||||
/* Layout of gth user pages usage */
|
||||
/* Bytes 0-16 ethernet addr in ascii ( len 17 ) */
|
||||
|
||||
#define EE_ETHERNET_OFFSET 0
|
||||
|
||||
#endif /* INCeedevh */
|
||||
43
board/gth2/flash.c
Normal file
43
board/gth2/flash.c
Normal file
@ -0,0 +1,43 @@
|
||||
/*
|
||||
* (C) Copyright 2005
|
||||
* 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 <common.h>
|
||||
|
||||
flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* flash_init()
|
||||
*
|
||||
* sets up flash_info and returns size of FLASH (bytes)
|
||||
*/
|
||||
unsigned long flash_init (void)
|
||||
{
|
||||
printf ("Skipping flash_init\n");
|
||||
return (0);
|
||||
}
|
||||
|
||||
int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
|
||||
{
|
||||
printf ("write_buff not implemented\n");
|
||||
return (-1);
|
||||
}
|
||||
435
board/gth2/gth2.c
Normal file
435
board/gth2/gth2.c
Normal file
@ -0,0 +1,435 @@
|
||||
/*
|
||||
* (C) Copyright 2005
|
||||
* Thomas.Lange@corelatus.se
|
||||
*
|
||||
* 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 <command.h>
|
||||
#include <asm/au1x00.h>
|
||||
#include <asm/addrspace.h>
|
||||
#include <asm/mipsregs.h>
|
||||
#include <watchdog.h>
|
||||
|
||||
#include "ee_access.h"
|
||||
|
||||
static int wdi_status = 0;
|
||||
|
||||
unsigned long mips_io_port_base = 0;
|
||||
|
||||
#define SDRAM_SIZE ((64*1024*1024)-(12*4096))
|
||||
|
||||
|
||||
#define SERIAL_LOG_BUFFER KSEG1ADDR(SDRAM_SIZE + (8*4096))
|
||||
|
||||
void inline log_serial_char(char c){
|
||||
char *serial_log_buffer = (char*)SERIAL_LOG_BUFFER;
|
||||
int serial_log_offset;
|
||||
u32 *serial_log_offsetp = (u32*)SERIAL_LOG_BUFFER;
|
||||
|
||||
serial_log_offset = *serial_log_offsetp;
|
||||
|
||||
*(serial_log_buffer + serial_log_offset) = c;
|
||||
|
||||
serial_log_offset++;
|
||||
|
||||
if(serial_log_offset >= 4096){
|
||||
serial_log_offset = 4;
|
||||
}
|
||||
*serial_log_offsetp = serial_log_offset;
|
||||
}
|
||||
|
||||
void init_log_serial(void){
|
||||
char *serial_log_buffer = (char*)SERIAL_LOG_BUFFER;
|
||||
u32 *serial_log_offsetp = (u32*)SERIAL_LOG_BUFFER;
|
||||
|
||||
/* Copy buffer from last run */
|
||||
memcpy(serial_log_buffer + 4096,
|
||||
serial_log_buffer,
|
||||
4096);
|
||||
|
||||
memset(serial_log_buffer, 0, 4096);
|
||||
|
||||
*serial_log_offsetp = 4;
|
||||
}
|
||||
|
||||
|
||||
void hw_watchdog_reset(void){
|
||||
volatile u32 *sys_outputset = (volatile u32*)SYS_OUTPUTSET;
|
||||
volatile u32 *sys_outputclear = (volatile u32*)SYS_OUTPUTCLR;
|
||||
if(wdi_status){
|
||||
*sys_outputset = GPIO_CPU_LED|GPIO_WDI;
|
||||
wdi_status = 0;
|
||||
}
|
||||
else{
|
||||
*sys_outputclear = GPIO_CPU_LED|GPIO_WDI;
|
||||
wdi_status = 1;
|
||||
}
|
||||
}
|
||||
|
||||
long int initdram(int board_type)
|
||||
{
|
||||
/* Sdram is setup by assembler code */
|
||||
/* If memory could be changed, we should return the true value here */
|
||||
|
||||
WATCHDOG_RESET();
|
||||
|
||||
return (SDRAM_SIZE);
|
||||
}
|
||||
|
||||
/* In cpu/mips/cpu.c */
|
||||
void write_one_tlb( int index, u32 pagemask, u32 hi, u32 low0, u32 low1 );
|
||||
|
||||
void set_ledcard(u32 value){
|
||||
/* Clock 24 bits to led card */
|
||||
int i;
|
||||
volatile u32 *sys_outputset = (volatile u32*)SYS_OUTPUTSET;
|
||||
volatile u32 *sys_outputclr = (volatile u32*)SYS_OUTPUTCLR;
|
||||
|
||||
/* Start with known values */
|
||||
*sys_outputclr = GPIO_LEDCLK|GPIO_LEDD;
|
||||
|
||||
for(i=0;i<24;i++){
|
||||
if(value&0x00800000){
|
||||
*sys_outputset = GPIO_LEDD;
|
||||
}
|
||||
else{
|
||||
*sys_outputclr = GPIO_LEDD;
|
||||
}
|
||||
udelay(1);
|
||||
*sys_outputset = GPIO_LEDCLK;
|
||||
udelay(1);
|
||||
*sys_outputclr = GPIO_LEDCLK;
|
||||
udelay(1);
|
||||
|
||||
value<<=1;
|
||||
}
|
||||
/* Data is enable output */
|
||||
*sys_outputset = GPIO_LEDD;
|
||||
}
|
||||
|
||||
int checkboard (void)
|
||||
{
|
||||
volatile u32 *sys_counter = (volatile u32*)SYS_COUNTER_CNTRL;
|
||||
volatile u32 *sys_outputset = (volatile u32*)SYS_OUTPUTSET;
|
||||
volatile u32 *sys_outputclr = (volatile u32*)SYS_OUTPUTCLR;
|
||||
u32 proc_id;
|
||||
|
||||
WATCHDOG_RESET();
|
||||
|
||||
*sys_counter = 0x100; /* Enable 32 kHz oscillator for RTC/TOY */
|
||||
|
||||
proc_id = read_32bit_cp0_register(CP0_PRID);
|
||||
|
||||
switch (proc_id >> 24) {
|
||||
case 0:
|
||||
puts ("Board: GTH2\n");
|
||||
printf ("CPU: Au1000 500 MHz, id: 0x%02x, rev: 0x%02x\n",
|
||||
(proc_id >> 8) & 0xFF, proc_id & 0xFF);
|
||||
break;
|
||||
default:
|
||||
printf ("Unsupported cpu %d, proc_id=0x%x\n", proc_id >> 24, proc_id);
|
||||
}
|
||||
#ifdef CONFIG_IDE_PCMCIA
|
||||
/* PCMCIA is on a 36 bit physical address.
|
||||
We need to map it into a 32 bit addresses */
|
||||
write_one_tlb(20, /* index */
|
||||
0x01ffe000, /* Pagemask, 16 MB pages */
|
||||
CFG_PCMCIA_IO_BASE, /* Hi */
|
||||
0x3C000017, /* Lo0 */
|
||||
0x3C200017); /* Lo1 */
|
||||
|
||||
write_one_tlb(21, /* index */
|
||||
0x01ffe000, /* Pagemask, 16 MB pages */
|
||||
CFG_PCMCIA_ATTR_BASE, /* Hi */
|
||||
0x3D000017, /* Lo0 */
|
||||
0x3D200017); /* Lo1 */
|
||||
|
||||
write_one_tlb(22, /* index */
|
||||
0x01ffe000, /* Pagemask, 16 MB pages */
|
||||
CFG_PCMCIA_MEM_ADDR, /* Hi */
|
||||
0x3E000017, /* Lo0 */
|
||||
0x3E200017); /* Lo1 */
|
||||
|
||||
#endif /* CONFIG_IDE_PCMCIA */
|
||||
|
||||
/* Wait for GPIO ports to become stable */
|
||||
udelay(5000); /* FIXME */
|
||||
|
||||
/* Release reset of ethernet PHY chips */
|
||||
/* Always do this, because linux does not know about it */
|
||||
*sys_outputset = GPIO_ERESET;
|
||||
|
||||
/* Kill FPGA:s */
|
||||
*sys_outputclr = GPIO_CACONFIG|GPIO_DPACONFIG;
|
||||
udelay(2);
|
||||
*sys_outputset = GPIO_CACONFIG|GPIO_DPACONFIG;
|
||||
|
||||
/* Turn front led yellow */
|
||||
set_ledcard(0x00100000);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define POWER_OFFSET 0xF0000
|
||||
#define SW_WATCHDOG_REASON 13
|
||||
|
||||
#define BOOTDATA_OFFSET 0xF8000
|
||||
#define MAX_ATTEMPTS 5
|
||||
|
||||
#define FAILSAFE_BOOT 1
|
||||
#define SYSTEM_BOOT 2
|
||||
#define SYSTEM2_BOOT 3
|
||||
|
||||
#define WRITE_FLASH16(a, d) \
|
||||
do \
|
||||
{ \
|
||||
*((volatile u16 *) (a)) = (d);\
|
||||
} while(0)
|
||||
|
||||
static void write_bootdata (volatile u16 * addr, u8 System, u8 Count)
|
||||
{
|
||||
u16 data;
|
||||
volatile u16 *flash = (u16 *) (CFG_FLASH_BASE);
|
||||
|
||||
switch(System){
|
||||
case FAILSAFE_BOOT:
|
||||
printf ("Setting failsafe boot in flash\n");
|
||||
break;
|
||||
case SYSTEM_BOOT:
|
||||
printf ("Setting system boot in flash\n");
|
||||
break;
|
||||
case SYSTEM2_BOOT:
|
||||
printf ("Setting system2 boot in flash\n");
|
||||
break;
|
||||
default:
|
||||
printf ("Invalid system data %u, setting failsafe\n", System);
|
||||
System = FAILSAFE_BOOT;
|
||||
}
|
||||
|
||||
if ((Count < 1) | (Count > MAX_ATTEMPTS)) {
|
||||
printf ("Invalid boot count %u, setting 1\n", Count);
|
||||
Count = 1;
|
||||
}
|
||||
|
||||
printf ("Boot attempt %d\n", Count);
|
||||
|
||||
data = (System << 8) | Count;
|
||||
/* AMD 16 bit */
|
||||
WRITE_FLASH16 (&flash[0x555], 0xAAAA);
|
||||
WRITE_FLASH16 (&flash[0x2AA], 0x5555);
|
||||
WRITE_FLASH16 (&flash[0x555], 0xA0A0);
|
||||
|
||||
WRITE_FLASH16 (addr, data);
|
||||
}
|
||||
|
||||
static int random_system(void){
|
||||
/* EEPROM read failed. Just try to choose one
|
||||
system release and hope it works */
|
||||
|
||||
/* FIXME */
|
||||
return(SYSTEM_BOOT);
|
||||
}
|
||||
|
||||
static int switch_system(int old_system){
|
||||
u8 Rx[10];
|
||||
u8 Tx[5];
|
||||
int valid_release;
|
||||
|
||||
if(old_system==FAILSAFE_BOOT){
|
||||
/* Find out which system release to use */
|
||||
|
||||
/* Copy from nvram to scratchpad */
|
||||
Tx[0] = RECALL_MEMORY;
|
||||
Tx[1] = 7; /* Page */
|
||||
if (ee_do_cpu_command (Tx, 2, NULL, 0, 1)) {
|
||||
printf ("EE user page 7 recall failed\n");
|
||||
return (random_system());
|
||||
}
|
||||
|
||||
Tx[0] = READ_SCRATCHPAD;
|
||||
if (ee_do_cpu_command (Tx, 2, Rx, 9, 1)) {
|
||||
printf ("EE user page 7 read failed\n");
|
||||
return (random_system());
|
||||
}
|
||||
/* Crc in 9:th byte */
|
||||
if (!ee_crc_ok (Rx, 8, *(Rx + 8))) {
|
||||
printf ("EE read failed, page 7. CRC error\n");
|
||||
return (random_system());
|
||||
}
|
||||
|
||||
valid_release = Rx[7];
|
||||
if((valid_release==0xFF)|
|
||||
((valid_release&1) == 0)){
|
||||
return(SYSTEM_BOOT);
|
||||
}
|
||||
else{
|
||||
return(SYSTEM2_BOOT);
|
||||
}
|
||||
}
|
||||
else{
|
||||
return(FAILSAFE_BOOT);
|
||||
}
|
||||
}
|
||||
|
||||
static void check_boot_tries (void)
|
||||
{
|
||||
/* Count the number of boot attemps
|
||||
switch system if too many */
|
||||
|
||||
int i;
|
||||
volatile u16 *addr;
|
||||
volatile u16 data;
|
||||
u8 system = FAILSAFE_BOOT;
|
||||
u8 count;
|
||||
|
||||
addr = (u16 *) (CFG_FLASH_BASE + BOOTDATA_OFFSET);
|
||||
|
||||
if (*addr == 0xFFFF) {
|
||||
printf ("*** No bootdata exists. ***\n");
|
||||
write_bootdata (addr, FAILSAFE_BOOT, 1);
|
||||
} else {
|
||||
/* Search for latest written bootdata */
|
||||
i = 0;
|
||||
while ((*(addr + 1) != 0xFFFF) & (i < 8000)) {
|
||||
addr++;
|
||||
i++;
|
||||
}
|
||||
if (i >= 8000) {
|
||||
/* Whoa, dont write any more */
|
||||
printf ("*** No bootdata found. Not updating flash***\n");
|
||||
} else {
|
||||
/* See how many times we have tried to boot real system */
|
||||
data = *addr;
|
||||
system = data >> 8;
|
||||
count = data & 0xFF;
|
||||
if ((system != SYSTEM_BOOT) &
|
||||
(system != SYSTEM2_BOOT) &
|
||||
(system != FAILSAFE_BOOT)) {
|
||||
printf ("*** Wrong system %d\n", system);
|
||||
system = FAILSAFE_BOOT;
|
||||
count = 1;
|
||||
} else {
|
||||
switch (count) {
|
||||
case 0:
|
||||
case 1:
|
||||
case 2:
|
||||
case 3:
|
||||
case 4:
|
||||
/* Try same system again if needed */
|
||||
count++;
|
||||
break;
|
||||
|
||||
case 5:
|
||||
/* Switch system and reset tries */
|
||||
count = 1;
|
||||
system = switch_system(system);
|
||||
printf ("***Too many boot attempts, switching system***\n");
|
||||
break;
|
||||
default:
|
||||
/* Switch system, start over and hope it works */
|
||||
printf ("***Unexpected data on addr 0x%x, %u***\n",
|
||||
(u32) addr, data);
|
||||
count = 1;
|
||||
system = switch_system(system);
|
||||
}
|
||||
}
|
||||
write_bootdata (addr + 1, system, count);
|
||||
}
|
||||
}
|
||||
switch(system){
|
||||
case FAILSAFE_BOOT:
|
||||
printf ("Booting failsafe system\n");
|
||||
setenv ("bootargs", "panic=1 root=/dev/hda7");
|
||||
setenv ("bootcmd", "ide reset;disk 0x81000000 0:5;run addmisc;bootm");
|
||||
break;
|
||||
|
||||
case SYSTEM_BOOT:
|
||||
printf ("Using normal system\n");
|
||||
setenv ("bootargs", "panic=1 root=/dev/hda4");
|
||||
setenv ("bootcmd", "ide reset;disk 0x81000000 0:2;run addmisc;bootm");
|
||||
break;
|
||||
|
||||
case SYSTEM2_BOOT:
|
||||
printf ("Using normal system2\n");
|
||||
setenv ("bootargs", "panic=1 root=/dev/hda9");
|
||||
setenv ("bootcmd", "ide reset;disk 0x81000000 0:8;run addmisc;bootm");
|
||||
break;
|
||||
default:
|
||||
printf ("Invalid system %d\n", system);
|
||||
printf ("Hanging\n");
|
||||
while(1);
|
||||
}
|
||||
}
|
||||
|
||||
int misc_init_r(void){
|
||||
u8 Rx[80];
|
||||
u8 Tx[5];
|
||||
int page;
|
||||
int read = 0;
|
||||
|
||||
WATCHDOG_RESET();
|
||||
|
||||
if (ee_init_cpu_data ()) {
|
||||
printf ("EEPROM init failed\n");
|
||||
return (0);
|
||||
}
|
||||
|
||||
/* Check which release to boot */
|
||||
check_boot_tries ();
|
||||
|
||||
/* Read the pages where ethernet address is stored */
|
||||
|
||||
for (page = EE_USER_PAGE_0; page <= EE_USER_PAGE_0 + 2; page++) {
|
||||
/* Copy from nvram to scratchpad */
|
||||
Tx[0] = RECALL_MEMORY;
|
||||
Tx[1] = page;
|
||||
if (ee_do_cpu_command (Tx, 2, NULL, 0, 1)) {
|
||||
printf ("EE user page %d recall failed\n", page);
|
||||
return (0);
|
||||
}
|
||||
|
||||
Tx[0] = READ_SCRATCHPAD;
|
||||
if (ee_do_cpu_command (Tx, 2, Rx + read, 9, 1)) {
|
||||
printf ("EE user page %d read failed\n", page);
|
||||
return (0);
|
||||
}
|
||||
/* Crc in 9:th byte */
|
||||
if (!ee_crc_ok (Rx + read, 8, *(Rx + read + 8))) {
|
||||
printf ("EE read failed, page %d. CRC error\n", page);
|
||||
return (0);
|
||||
}
|
||||
read += 8;
|
||||
}
|
||||
|
||||
/* Add eos after eth addr */
|
||||
Rx[17] = 0;
|
||||
|
||||
printf ("Ethernet addr read from eeprom: %s\n\n", Rx);
|
||||
|
||||
if ((Rx[2] != ':') |
|
||||
(Rx[5] != ':') |
|
||||
(Rx[8] != ':') | (Rx[11] != ':') | (Rx[14] != ':')) {
|
||||
printf ("*** ethernet addr invalid, using default ***\n");
|
||||
} else {
|
||||
setenv ("ethaddr", Rx);
|
||||
}
|
||||
return (0);
|
||||
}
|
||||
454
board/gth2/lowlevel_init.S
Normal file
454
board/gth2/lowlevel_init.S
Normal file
@ -0,0 +1,454 @@
|
||||
/* Memory sub-system initialization code */
|
||||
|
||||
#include <config.h>
|
||||
#include <version.h>
|
||||
#include <asm/regdef.h>
|
||||
#include <asm/au1x00.h>
|
||||
#include <asm/mipsregs.h>
|
||||
|
||||
#define CP0_Config0 $16
|
||||
#define MEM_1MS ((CFG_MHZ) * 1000)
|
||||
#define GPIO_RJ1LY (1<<22)
|
||||
#define GPIO_CFRESET (1<<10)
|
||||
|
||||
.text
|
||||
.set noreorder
|
||||
.set mips32
|
||||
|
||||
.globl lowlevel_init
|
||||
lowlevel_init:
|
||||
/*
|
||||
* Step 2) Establish Status Register
|
||||
* (set BEV, clear ERL, clear EXL, clear IE)
|
||||
*/
|
||||
li t1, 0x00400000
|
||||
mtc0 t1, CP0_STATUS
|
||||
|
||||
/*
|
||||
* Step 3) Establish CP0 Config0
|
||||
* (set OD, set K0=3)
|
||||
*/
|
||||
li t1, 0x00080003
|
||||
mtc0 t1, CP0_CONFIG
|
||||
|
||||
/*
|
||||
* Step 4) Disable Watchpoint facilities
|
||||
*/
|
||||
li t1, 0x00000000
|
||||
mtc0 t1, CP0_WATCHLO
|
||||
mtc0 t1, CP0_IWATCHLO
|
||||
/*
|
||||
* Step 5) Disable the performance counters
|
||||
*/
|
||||
mtc0 zero, CP0_PERFORMANCE
|
||||
nop
|
||||
|
||||
/*
|
||||
* Step 6) Establish EJTAG Debug register
|
||||
*/
|
||||
mtc0 zero, CP0_DEBUG
|
||||
nop
|
||||
|
||||
/*
|
||||
* Step 7) Establish Cause
|
||||
* (set IV bit)
|
||||
*/
|
||||
li t1, 0x00800000
|
||||
mtc0 t1, CP0_CAUSE
|
||||
|
||||
/* Establish Wired (and Random) */
|
||||
mtc0 zero, CP0_WIRED
|
||||
nop
|
||||
|
||||
/* No workaround if running from ram */
|
||||
lui t0, 0xffc0
|
||||
lui t3, 0xbfc0
|
||||
and t1, ra, t0
|
||||
bne t1, t3, noCacheJump
|
||||
nop
|
||||
|
||||
/*** From AMD YAMON ***/
|
||||
/*
|
||||
* Step 8) Initialize the caches
|
||||
*/
|
||||
li t0, (16*1024)
|
||||
li t1, 32
|
||||
li t2, 0x80000000
|
||||
addu t3, t0, t2
|
||||
cacheloop:
|
||||
cache 0, 0(t2)
|
||||
cache 1, 0(t2)
|
||||
addu t2, t1
|
||||
bne t2, t3, cacheloop
|
||||
nop
|
||||
|
||||
/* Save return address */
|
||||
move t3, ra
|
||||
|
||||
/* Run from cacheable space now */
|
||||
bal cachehere
|
||||
nop
|
||||
cachehere:
|
||||
li t1, ~0x20000000 /* convert to KSEG0 */
|
||||
and t0, ra, t1
|
||||
addi t0, 5*4 /* 5 insns beyond cachehere */
|
||||
jr t0
|
||||
nop
|
||||
|
||||
/* Restore return address */
|
||||
move ra, t3
|
||||
|
||||
/*
|
||||
* Step 9) Initialize the TLB
|
||||
*/
|
||||
li t0, 0 # index value
|
||||
li t1, 0x00000000 # entryhi value
|
||||
li t2, 32 # 32 entries
|
||||
|
||||
tlbloop:
|
||||
/* Probe TLB for matching EntryHi */
|
||||
mtc0 t1, CP0_ENTRYHI
|
||||
tlbp
|
||||
nop
|
||||
|
||||
/* Examine Index[P], 1=no matching entry */
|
||||
mfc0 t3, CP0_INDEX
|
||||
li t4, 0x80000000
|
||||
and t3, t4, t3
|
||||
addiu t1, t1, 1 # increment t1 (asid)
|
||||
beq zero, t3, tlbloop
|
||||
nop
|
||||
|
||||
/* Initialize the TLB entry */
|
||||
mtc0 t0, CP0_INDEX
|
||||
mtc0 zero, CP0_ENTRYLO0
|
||||
mtc0 zero, CP0_ENTRYLO1
|
||||
mtc0 zero, CP0_PAGEMASK
|
||||
tlbwi
|
||||
|
||||
/* Do it again */
|
||||
addiu t0, t0, 1
|
||||
bne t0, t2, tlbloop
|
||||
nop
|
||||
|
||||
/* First setup pll:s to make serial work ok */
|
||||
/* We have a 12.5 MHz crystal */
|
||||
li t0, SYS_CPUPLL
|
||||
li t1, 0x28 /* CPU clock, 500 MHz */
|
||||
sw t1, 0(t0)
|
||||
sync
|
||||
nop
|
||||
nop
|
||||
|
||||
/* wait 1mS for clocks to settle */
|
||||
li t1, MEM_1MS
|
||||
1: add t1, -1
|
||||
bne t1, zero, 1b
|
||||
nop
|
||||
/* Setup AUX PLL */
|
||||
li t0, SYS_AUXPLL
|
||||
li t1, 0
|
||||
sw t1, 0(t0) /* aux pll */
|
||||
sync
|
||||
|
||||
/* Static memory controller */
|
||||
/* RCE0 - can not change while fetching, do so from icache */
|
||||
move t2, ra /* Store return address */
|
||||
bal getAddr
|
||||
nop
|
||||
|
||||
getAddr:
|
||||
move t1, ra
|
||||
move ra, t2 /* Move return addess back */
|
||||
|
||||
cache 0x14,0(t1)
|
||||
cache 0x14,32(t1)
|
||||
/*** /From YAMON ***/
|
||||
|
||||
noCacheJump:
|
||||
|
||||
/* Static memory controller */
|
||||
|
||||
/* RCE0 AMD 29LV800 Flash */
|
||||
li t0, MEM_STCFG0
|
||||
li t1, 0x00000243
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, MEM_STTIME0
|
||||
li t1, 0x040181D7 /* FIXME */
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, MEM_STADDR0
|
||||
li t1, 0x11E03F80
|
||||
sw t1, 0(t0)
|
||||
|
||||
/* RCE1 PCMCIA 250ns */
|
||||
li t0, MEM_STCFG1
|
||||
li t1, 0x00000002
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, MEM_STTIME1
|
||||
li t1, 0x280E3E07
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, MEM_STADDR1
|
||||
li t1, 0x10000000
|
||||
sw t1, 0(t0)
|
||||
|
||||
/* RCE2 CP Altera */
|
||||
li t0, MEM_STCFG2
|
||||
li t1, 0x00000280 /* BE, EW */
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, MEM_STTIME2
|
||||
li t1, 0x0303000c
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, MEM_STADDR2
|
||||
li t1, 0x10c03f80 /* 1 MB */
|
||||
sw t1, 0(t0)
|
||||
|
||||
/* RCE3 DP Altera */
|
||||
li t0, MEM_STCFG3
|
||||
li t1, 0x00000280 /* BE, EW */
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, MEM_STTIME3
|
||||
li t1, 0x0303000c
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, MEM_STADDR3
|
||||
li t1, 0x10e03f80 /* 1 MB */
|
||||
sw t1, 0(t0)
|
||||
|
||||
sync
|
||||
|
||||
/* Set peripherals to a known state */
|
||||
li t0, IC0_CFG0CLR
|
||||
li t1, 0xFFFFFFFF
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC0_CFG0CLR
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC0_CFG1CLR
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC0_CFG2CLR
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC0_SRCSET
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC0_ASSIGNSET
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC0_WAKECLR
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC0_RISINGCLR
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC0_FALLINGCLR
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC0_TESTBIT
|
||||
li t1, 0x00000000
|
||||
sw t1, 0(t0)
|
||||
sync
|
||||
|
||||
li t0, IC1_CFG0CLR
|
||||
li t1, 0xFFFFFFFF
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC1_CFG0CLR
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC1_CFG1CLR
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC1_CFG2CLR
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC1_SRCSET
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC1_ASSIGNSET
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC1_WAKECLR
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC1_RISINGCLR
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC1_FALLINGCLR
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, IC1_TESTBIT
|
||||
li t1, 0x00000000
|
||||
sw t1, 0(t0)
|
||||
sync
|
||||
|
||||
li t0, SYS_FREQCTRL0
|
||||
li t1, 0x00000000
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, SYS_FREQCTRL1
|
||||
li t1, 0x00000000
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, SYS_CLKSRC
|
||||
li t1, 0x00000000
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, SYS_PININPUTEN
|
||||
li t1, 0x00000000
|
||||
sw t1, 0(t0)
|
||||
sync
|
||||
|
||||
li t0, 0xB1100100
|
||||
li t1, 0x00000000
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, 0xB1400100
|
||||
li t1, 0x00000000
|
||||
sw t1, 0(t0)
|
||||
|
||||
|
||||
li t0, SYS_WAKEMSK
|
||||
li t1, 0x00000000
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, SYS_WAKESRC
|
||||
li t1, 0x00000000
|
||||
sw t1, 0(t0)
|
||||
|
||||
/* wait 1mS before setup */
|
||||
li t1, MEM_1MS
|
||||
1: add t1, -1
|
||||
bne t1, zero, 1b
|
||||
nop
|
||||
|
||||
|
||||
/* SDCS 0 SDRAM */
|
||||
li t0, MEM_SDMODE0
|
||||
li t1, 0x592CD1
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, MEM_SDMODE1
|
||||
li t1, 0x00000000
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, MEM_SDMODE2
|
||||
li t1, 0x00000000
|
||||
sw t1, 0(t0)
|
||||
|
||||
/* 64 MB SDRAM at addr 0 */
|
||||
li t0, MEM_SDADDR0
|
||||
li t1, 0x001003F0
|
||||
sw t1, 0(t0)
|
||||
|
||||
|
||||
li t0, MEM_SDADDR1
|
||||
li t1, 0x00000000
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, MEM_SDADDR2
|
||||
li t1, 0x00000000
|
||||
sw t1, 0(t0)
|
||||
|
||||
sync
|
||||
|
||||
li t0, MEM_SDREFCFG
|
||||
li t1, 0x880007A1 /* Disable */
|
||||
sw t1, 0(t0)
|
||||
sync
|
||||
|
||||
li t0, MEM_SDPRECMD
|
||||
sw zero, 0(t0)
|
||||
sync
|
||||
|
||||
li t0, MEM_SDAUTOREF
|
||||
sw zero, 0(t0)
|
||||
sync
|
||||
sw zero, 0(t0)
|
||||
sync
|
||||
|
||||
li t0, MEM_SDREFCFG
|
||||
li t1, 0x8A0007A1 /* Enable */
|
||||
sw t1, 0(t0)
|
||||
sync
|
||||
|
||||
li t0, MEM_SDWRMD0
|
||||
li t1, 0x00000023
|
||||
sw t1, 0(t0)
|
||||
sync
|
||||
|
||||
/* wait 1mS after setup */
|
||||
li t1, MEM_1MS
|
||||
1: add t1, -1
|
||||
bne t1, zero, 1b
|
||||
nop
|
||||
|
||||
/* Setup GPIO pins */
|
||||
|
||||
li t0, SYS_PINFUNC
|
||||
li t1, 0x00007025 /* 0x8080 */
|
||||
sw t1, 0(t0)
|
||||
|
||||
li t0, SYS_TRIOUTCLR
|
||||
li t1, 0xFFFFFFFF /* 0x1FFF */
|
||||
sw t1, 0(t0)
|
||||
|
||||
/* Turn yellow front led on */
|
||||
/* Release reset on CF */
|
||||
li t0, SYS_OUTPUTCLR
|
||||
li t1, GPIO_RJ1LG
|
||||
sw t1, 0(t0)
|
||||
li t0, SYS_OUTPUTSET
|
||||
li t1, GPIO_RJ1LY|GPIO_CFRESET
|
||||
sw t1, 0(t0)
|
||||
sync
|
||||
j clearmem
|
||||
nop
|
||||
|
||||
.globl memtest
|
||||
memtest:
|
||||
/* Fill memory with address */
|
||||
li t0, 0x80000000
|
||||
li t1, 0xFFF000 /* 64 MB */
|
||||
mt0: sw t0, 0(t0)
|
||||
add t1, -1
|
||||
add t0, 4
|
||||
bne t1, zero, mt0
|
||||
nop
|
||||
nop
|
||||
/* Verify addr */
|
||||
li t0, 0x80000000
|
||||
li t1, 0xFFF000 /* 64 MB */
|
||||
mt1: lw t2, 0(t0)
|
||||
bne t0, t2, memhang
|
||||
add t1, -1
|
||||
add t0, 4
|
||||
bne t1, zero, mt1
|
||||
nop
|
||||
nop
|
||||
.globl clearmem
|
||||
clearmem:
|
||||
/* Clear memory */
|
||||
li t0, 0x80000000
|
||||
li t1, 0xFFF000 /* 64 MB */
|
||||
mtc: sw zero, 0(t0)
|
||||
add t1, -1
|
||||
add t0, 4
|
||||
bne t1, zero, mtc
|
||||
nop
|
||||
nop
|
||||
memtestend:
|
||||
j ra
|
||||
nop
|
||||
|
||||
memhang:
|
||||
b memhang
|
||||
nop
|
||||
68
board/gth2/u-boot.lds
Normal file
68
board/gth2/u-boot.lds
Normal file
@ -0,0 +1,68 @@
|
||||
/*
|
||||
* (C) Copyright 2003-2005
|
||||
* Wolfgang Denk 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
|
||||
*/
|
||||
|
||||
/*
|
||||
OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-bigmips")
|
||||
*/
|
||||
OUTPUT_FORMAT("elf32-tradbigmips", "elf32-tradbigmips", "elf32-tradbigmips")
|
||||
OUTPUT_ARCH(mips)
|
||||
ENTRY(_start)
|
||||
SECTIONS
|
||||
{
|
||||
. = 0x00000000;
|
||||
|
||||
. = ALIGN(4);
|
||||
.text :
|
||||
{
|
||||
*(.text)
|
||||
}
|
||||
|
||||
. = ALIGN(4);
|
||||
.rodata : { *(.rodata) }
|
||||
|
||||
. = ALIGN(4);
|
||||
.data : { *(.data) }
|
||||
|
||||
. = ALIGN(4);
|
||||
.sdata : { *(.sdata) }
|
||||
|
||||
_gp = ALIGN(16);
|
||||
|
||||
__got_start = .;
|
||||
.got : { *(.got) }
|
||||
__got_end = .;
|
||||
|
||||
.sdata : { *(.sdata) }
|
||||
|
||||
__u_boot_cmd_start = .;
|
||||
.u_boot_cmd : { *(.u_boot_cmd) }
|
||||
__u_boot_cmd_end = .;
|
||||
|
||||
uboot_end_data = .;
|
||||
num_got_entries = (__got_end - __got_start) >> 2;
|
||||
|
||||
. = ALIGN(4);
|
||||
.sbss : { *(.sbss) }
|
||||
.bss : { *(.bss) }
|
||||
uboot_end = .;
|
||||
}
|
||||
@ -855,7 +855,7 @@ output_data_short(int dev, ulong *sect_buf, int words)
|
||||
|
||||
/* We only need to swap data if we are running on a big endian cpu. */
|
||||
/* But Au1x00 cpu:s already swaps data in big endian mode! */
|
||||
#if defined(__LITTLE_ENDIAN) || defined(CONFIG_AU1X00)
|
||||
#if defined(__LITTLE_ENDIAN) || ( defined(CONFIG_AU1X00) && !defined(CONFIG_GTH2) )
|
||||
#define input_swap_data(x,y,z) input_data(x,y,z)
|
||||
#else
|
||||
static void
|
||||
@ -881,8 +881,13 @@ input_swap_data(int dev, ulong *sect_buf, int words)
|
||||
debug("in input swap data base for read is %lx\n", (unsigned long) pbuf);
|
||||
|
||||
while (words--) {
|
||||
#ifdef __MIPS__
|
||||
*dbuf++ = swab16p((u16*)pbuf);
|
||||
*dbuf++ = swab16p((u16*)pbuf);
|
||||
#else
|
||||
*dbuf++ = ld_le16(pbuf);
|
||||
*dbuf++ = ld_le16(pbuf);
|
||||
#endif /* !MIPS */
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
@ -119,6 +119,11 @@ static __inline__ int au_ffs(int x)
|
||||
return __ilog2(x & -x) + 1;
|
||||
}
|
||||
|
||||
#define gpio_set(Value) outl(Value, SYS_OUTPUTSET)
|
||||
#define gpio_clear(Value) outl(Value, SYS_OUTPUTCLR)
|
||||
#define gpio_read() inl(SYS_PINSTATERD)
|
||||
#define gpio_tristate(Value) outl(Value, SYS_TRIOUTCLR)
|
||||
|
||||
#endif /* !ASSEMBLY */
|
||||
|
||||
#ifdef CONFIG_PM
|
||||
|
||||
195
include/configs/gth2.h
Normal file
195
include/configs/gth2.h
Normal file
@ -0,0 +1,195 @@
|
||||
/*
|
||||
* (C) Copyright 2005
|
||||
* Thomas.Lange@corelatus.se
|
||||
*
|
||||
* 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 the configuration parameters for the gth2 board.
|
||||
*/
|
||||
|
||||
#ifndef __CONFIG_H
|
||||
#define __CONFIG_H
|
||||
|
||||
#define CONFIG_MIPS32 1 /* MIPS32 CPU core */
|
||||
#define CONFIG_GTH2 1
|
||||
#define CONFIG_AU1X00 1 /* alchemy series cpu */
|
||||
|
||||
#define CONFIG_AU1000 1
|
||||
|
||||
#define CONFIG_MISC_INIT_R 1
|
||||
|
||||
#define CONFIG_ETHADDR DE:AD:BE:EF:01:02 /* Ethernet address */
|
||||
|
||||
#define CONFIG_BOOTDELAY 1 /* autoboot after 1 seconds */
|
||||
|
||||
#define CONFIG_ENV_OVERWRITE 1 /* Allow change of ethernet address */
|
||||
|
||||
#define CONFIG_BOOT_RETRY_TIME 5 /* Retry boot in 5 secs */
|
||||
|
||||
#define CONFIG_RESET_TO_RETRY 1 /* If timeout waiting for command, perform a reset */
|
||||
|
||||
#define CONFIG_BAUDRATE 115200
|
||||
|
||||
/* valid baudrates */
|
||||
#define CFG_BAUDRATE_TABLE { 115200 }
|
||||
|
||||
/* Only interrupt boot if space is pressed */
|
||||
/* If a long serial cable is connected but */
|
||||
/* other end is dead, garbage will be read */
|
||||
#define CONFIG_AUTOBOOT_KEYED 1
|
||||
#define CONFIG_AUTOBOOT_PROMPT "Press space to abort autoboot in %d second\n"
|
||||
#define CONFIG_AUTOBOOT_DELAY_STR "d"
|
||||
#define CONFIG_AUTOBOOT_STOP_STR " "
|
||||
|
||||
#define CONFIG_TIMESTAMP /* Print image info with timestamp */
|
||||
#define CONFIG_BOOTARGS "panic=1"
|
||||
|
||||
#define CONFIG_EXTRA_ENV_SETTINGS \
|
||||
"addmisc=setenv bootargs $(bootargs) " \
|
||||
"ethaddr=$(ethaddr) \0" \
|
||||
"netboot=bootp;run addmisc;bootm\0" \
|
||||
""
|
||||
|
||||
/* Boot from Compact flash partition 2 as default */
|
||||
#define CONFIG_BOOTCOMMAND "ide reset;disk 0x81000000 0:2;run addmisc;bootm"
|
||||
|
||||
#define CONFIG_COMMANDS ((CONFIG_CMD_DFL | CFG_CMD_IDE | CFG_CMD_DHCP ) & \
|
||||
~(CFG_CMD_ENV | CFG_CMD_FAT | CFG_CMD_FLASH | CFG_CMD_FPGA | \
|
||||
CFG_CMD_MII | CFG_CMD_LOADS | CFG_CMD_LOADB | CFG_CMD_ELF | \
|
||||
CFG_CMD_BDI | CFG_CMD_BEDBUG | CFG_CMD_NFS | CFG_CMD_AUTOSCRIPT ))
|
||||
|
||||
#include <cmd_confdefs.h>
|
||||
|
||||
/*
|
||||
* Miscellaneous configurable options
|
||||
*/
|
||||
#define CFG_LONGHELP /* undef to save memory */
|
||||
#define CFG_PROMPT "GTH2 # " /* Monitor Command Prompt */
|
||||
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
|
||||
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
|
||||
#define CFG_MAXARGS 16 /* max number of command args*/
|
||||
|
||||
#define CFG_MALLOC_LEN 128*1024
|
||||
|
||||
#define CFG_BOOTPARAMS_LEN 128*1024
|
||||
|
||||
#define CFG_MHZ 500
|
||||
|
||||
#define CFG_HZ (CFG_MHZ * 1000000) /* FIXME causes overflow in net.c */
|
||||
|
||||
#define CFG_SDRAM_BASE 0x80000000 /* Cached addr */
|
||||
|
||||
#define CFG_LOAD_ADDR 0x81000000 /* default load address */
|
||||
|
||||
#define CFG_MEMTEST_START 0x80100000
|
||||
#define CFG_MEMTEST_END 0x83000000
|
||||
|
||||
#define CONFIG_HW_WATCHDOG 1
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* FLASH and environment organization
|
||||
*/
|
||||
#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
|
||||
#define CFG_MAX_FLASH_SECT (128) /* max number of sectors on one chip */
|
||||
|
||||
#define PHYS_FLASH 0xbfc00000 /* Flash Bank #1 */
|
||||
|
||||
/* The following #defines are needed to get flash environment right */
|
||||
#define CFG_MONITOR_BASE TEXT_BASE
|
||||
#define CFG_MONITOR_LEN (192 << 10)
|
||||
|
||||
#define CFG_INIT_SP_OFFSET 0x400000
|
||||
|
||||
/* We boot from this flash, selected with dip switch */
|
||||
#define CFG_FLASH_BASE PHYS_FLASH
|
||||
|
||||
/* timeout values are in ticks */
|
||||
#define CFG_FLASH_ERASE_TOUT (2 * CFG_HZ) /* Timeout for Flash Erase */
|
||||
#define CFG_FLASH_WRITE_TOUT (2 * CFG_HZ) /* Timeout for Flash Write */
|
||||
|
||||
#define CFG_ENV_IS_NOWHERE 1
|
||||
|
||||
/* Address and size of Primary Environment Sector */
|
||||
#define CFG_ENV_ADDR 0xB0030000
|
||||
#define CFG_ENV_SIZE 0x10000
|
||||
|
||||
#define CONFIG_FLASH_16BIT
|
||||
|
||||
#define CONFIG_NR_DRAM_BANKS 2
|
||||
|
||||
#define CONFIG_NET_MULTI
|
||||
|
||||
#define CONFIG_MEMSIZE_IN_BYTES
|
||||
|
||||
/*---ATA PCMCIA ------------------------------------*/
|
||||
#define CFG_PCMCIA_MEM_SIZE 0x4000000 /* Offset to slot 1 FIXME!!! */
|
||||
|
||||
#define CFG_PCMCIA_MEM_ADDR 0x20000000
|
||||
#define CFG_PCMCIA_IO_BASE 0x28000000
|
||||
#define CFG_PCMCIA_ATTR_BASE 0x30000000
|
||||
|
||||
#define CONFIG_PCMCIA_SLOT_A
|
||||
|
||||
#define CONFIG_ATAPI 1
|
||||
#define CONFIG_MAC_PARTITION 1
|
||||
|
||||
/* We run CF in "true ide" mode or a harddrive via pcmcia */
|
||||
#define CONFIG_IDE_PCMCIA 1
|
||||
|
||||
/* We only support one slot for now */
|
||||
#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
|
||||
#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
|
||||
|
||||
#undef CONFIG_IDE_LED /* LED for ide not supported */
|
||||
#undef CONFIG_IDE_RESET /* reset for ide not supported */
|
||||
|
||||
#define CFG_ATA_IDE0_OFFSET 0
|
||||
|
||||
#define CFG_ATA_BASE_ADDR CFG_PCMCIA_IO_BASE
|
||||
|
||||
/* Offset for data I/O */
|
||||
#define CFG_ATA_DATA_OFFSET 0
|
||||
|
||||
/* Offset for normal register accesses */
|
||||
#define CFG_ATA_REG_OFFSET 0
|
||||
|
||||
/* Offset for alternate registers */
|
||||
#define CFG_ATA_ALT_OFFSET 0x0200
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Cache Configuration
|
||||
*/
|
||||
#define CFG_DCACHE_SIZE 16384
|
||||
#define CFG_ICACHE_SIZE 16384
|
||||
#define CFG_CACHELINE_SIZE 32
|
||||
|
||||
#define GPIO_CACONFIG (1<<0)
|
||||
#define GPIO_DPACONFIG (1<<6)
|
||||
#define GPIO_ERESET (1<<11)
|
||||
#define GPIO_EEDQ (1<<17)
|
||||
#define GPIO_WDI (1<<18)
|
||||
#define GPIO_RJ1LY (1<<22)
|
||||
#define GPIO_RJ1LG (1<<23)
|
||||
#define GPIO_LEDCLK (1<<29)
|
||||
#define GPIO_LEDD (1<<30)
|
||||
#define GPIO_CPU_LED (1<<31)
|
||||
|
||||
#endif /* __CONFIG_H */
|
||||
Loading…
Reference in New Issue
Block a user