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Blackfin: blackstamp: new board port

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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2008-10-12 23:28:33 -04:00
parent 59ac972970
commit 3088189a15
9 changed files with 562 additions and 2 deletions
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5
MAINTAINERS
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@ -888,6 +888,11 @@ Blackfin Team <u-boot-devel@blackfin.uclinux.org>
BF537-minotaur BF537
BF537-srv1 BF537
Wojtek Skulski <skulski@pas.rochester.edu>
Benjamin Matthews <mben12@gmail.com>
BLACKSTAMP BF532
#########################################################################
# End of MAINTAINERS list #
#########################################################################

1
MAKEALL
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@ -809,6 +809,7 @@ LIST_blackfin=" \
bf538f-ezkit \
bf548-ezkit \
bf561-ezkit \
blackstamp \
cm-bf527 \
cm-bf533 \
cm-bf537e \

4
Makefile
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@ -3394,7 +3394,7 @@ BFIN_BOARDS = bf518f-ezbrd bf526-ezbrd bf527-ezkit bf533-ezkit bf533-stamp \
BFIN_BOARDS += cm-bf527 cm-bf533 cm-bf537e cm-bf548 cm-bf561 tcm-bf537
# Misc third party boards
BFIN_BOARDS += bf537-minotaur bf537-srv1
BFIN_BOARDS += bf537-minotaur bf537-srv1 blackstamp
$(BFIN_BOARDS:%=%_config) : unconfig
@$(MKCONFIG) $(@:_config=) blackfin blackfin $(@:_config=)
@ -3570,7 +3570,7 @@ clean:
$(obj)board/armltd/{integratorap,integratorcp}/u-boot.lds \
$(obj)board/bf5{18f,26,27,33,38f,48,61}-ez{brd,kit}/u-boot.lds \
$(obj)board/bf5{33,37}-stamp/u-boot.lds \
$(obj)board/bf537-{minotaur,pnav,srv1}/u-boot.lds \
$(obj)board/{bf537-{minotaur,pnav,srv1},blackstamp}/u-boot.lds \
$(obj)board/{,t}cm-bf5{27,33,37e,48,61}/u-boot.lds \
$(obj)cpu/blackfin/bootrom-asm-offsets.[chs]
@rm -f $(obj)include/bmp_logo.h

1
board/blackstamp/.gitignore vendored Normal file
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@ -0,0 +1 @@
/u-boot.lds

57
board/blackstamp/Makefile Normal file
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@ -0,0 +1,57 @@
#
# U-boot - Makefile
#
# Copyright (c) 2005-2008 Analog Device Inc.
#
# (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 = $(obj)lib$(BOARD).a
COBJS-y := $(BOARD).o
SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS-y))
SOBJS := $(addprefix $(obj),$(SOBJS-y))
$(LIB): $(obj).depend $(OBJS) $(SOBJS) $(obj)u-boot.lds
$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
$(obj)u-boot.lds: u-boot.lds.S
$(CPP) $(CPPFLAGS) -D__ASSEMBLY__ -P $^ > $@
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak $(obj).depend
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

46
board/blackstamp/blackstamp.c Normal file
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@ -0,0 +1,46 @@
/*
* U-boot - blackstamp.c BlackStamp board specific routines
* Most code stolen from boards/bf533-stamp/bf533-stamp.c
* Edited to the BlackStamp by Ben Matthews for UR LLE
*
* Copyright (c) 2005-2009 Analog Devices Inc.
*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* Licensed under the GPL-2 or later.
*/
#include <common.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
int checkboard(void)
{
printf("Board: BlackStamp\n");
printf("Support: http://blackfin.uclinux.org/gf/project/blackstamp/\n");
return 0;
}
phys_size_t initdram(int board_type)
{
gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
return gd->bd->bi_memsize;
}
#ifdef SHARED_RESOURCES
void swap_to(int device_id)
{
bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF0);
SSYNC();
if (device_id == ETHERNET)
bfin_write_FIO_FLAG_S(PF0);
else if (device_id == FLASH)
bfin_write_FIO_FLAG_C(PF0);
else
printf("Unknown device to switch\n");
SSYNC();
}
#endif

32
board/blackstamp/config.mk Normal file
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@ -0,0 +1,32 @@
#
# Copyright (c) 2005-2008 Analog Device Inc.
#
# (C) Copyright 2001
# 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
#
# This is not actually used for Blackfin boards so do not change it
#TEXT_BASE = do-not-use-me
LDSCRIPT = $(obj)board/$(BOARDDIR)/u-boot.lds
# Set some default LDR flags based on boot mode.
LDR_FLAGS += $(LDR_FLAGS-$(CONFIG_BFIN_BOOT_MODE))

143
board/blackstamp/u-boot.lds.S Normal file
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@ -0,0 +1,143 @@
/*
* U-boot - u-boot.lds.S
*
* Copyright (c) 2005-2008 Analog Device Inc.
*
* (C) Copyright 2000-2004
* 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 <config.h>
#include <asm/blackfin.h>
#undef ALIGN
#undef ENTRY
#undef bfin
/* If we don't actually load anything into L1 data, this will avoid
* a syntax error. If we do actually load something into L1 data,
* we'll get a linker memory load error (which is what we'd want).
* This is here in the first place so we can quickly test building
* for different CPU's which may lack non-cache L1 data.
*/
#ifndef L1_DATA_B_SRAM
# define L1_DATA_B_SRAM CONFIG_SYS_MONITOR_BASE
# define L1_DATA_B_SRAM_SIZE 0
#endif
OUTPUT_ARCH(bfin)
MEMORY
{
ram : ORIGIN = CONFIG_SYS_MONITOR_BASE, LENGTH = CONFIG_SYS_MONITOR_LEN
l1_code : ORIGIN = L1_INST_SRAM, LENGTH = L1_INST_SRAM_SIZE
l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE
}
ENTRY(_start)
SECTIONS
{
.text :
{
cpu/blackfin/start.o (.text .text.*)
#ifdef ENV_IS_EMBEDDED
/* WARNING - the following is hand-optimized to fit within
* the sector before the environment sector. If it throws
* an error during compilation remove an object here to get
* it linked after the configuration sector.
*/
cpu/blackfin/traps.o (.text .text.*)
cpu/blackfin/interrupt.o (.text .text.*)
cpu/blackfin/serial.o (.text .text.*)
common/dlmalloc.o (.text .text.*)
lib_generic/crc32.o (.text .text.*)
. = DEFINED(env_offset) ? env_offset : .;
common/env_embedded.o (.text .text.*)
#endif
__initcode_start = .;
cpu/blackfin/initcode.o (.text .text.*)
__initcode_end = .;
*(.text .text.*)
} >ram
.rodata :
{
. = ALIGN(4);
*(.rodata .rodata.*)
*(.rodata1)
*(.eh_frame)
. = ALIGN(4);
} >ram
.data :
{
. = ALIGN(256);
*(.data .data.*)
*(.data1)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
} >ram
.u_boot_cmd :
{
___u_boot_cmd_start = .;
*(.u_boot_cmd)
___u_boot_cmd_end = .;
} >ram
.text_l1 :
{
. = ALIGN(4);
__stext_l1 = .;
*(.l1.text)
. = ALIGN(4);
__etext_l1 = .;
} >l1_code AT>ram
__stext_l1_lma = LOADADDR(.text_l1);
.data_l1 :
{
. = ALIGN(4);
__sdata_l1 = .;
*(.l1.data)
*(.l1.bss)
. = ALIGN(4);
__edata_l1 = .;
} >l1_data AT>ram
__sdata_l1_lma = LOADADDR(.data_l1);
.bss :
{
. = ALIGN(4);
__bss_start = .;
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss .bss.*)
*(COMMON)
__bss_end = .;
} >ram
}

275
include/configs/blackstamp.h Normal file
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@ -0,0 +1,275 @@
/*
* U-boot - Configuration file for BlackStamp board
* Configuration by Ben Matthews for UR LLE using bf533-stamp.h
* as a template
* See http://blackfin.uclinux.org/gf/project/blackstamp/
*/
#ifndef __CONFIG_BLACKSTAMP_H__
#define __CONFIG_BLACKSTAMP_H__
#include <asm/blackfin-config-pre.h>
/*
* Debugging: Set these options if you're having problems
*/
/*
* #define CONFIG_DEBUG_EARLY_SERIAL
* #define DEBUG
* #define CONFIG_DEBUG_DUMP
* #define CONFIG_DEBUG_DUMP_SYMS
*/
#define CONFIG_PANIC_HANG 0
/* CPU Options
* Be sure to set the Silicon Revision Correctly
*/
#define CONFIG_BFIN_CPU bf532-0.5
#define CONFIG_BFIN_BOOT_MODE BFIN_BOOT_SPI_MASTER
/*
* Board settings
*/
#define CONFIG_DRIVER_SMC91111 1
#define CONFIG_SMC91111_BASE 0x20300300
/* FLASH/ETHERNET uses the same address range
* Depending on what you have the CPLD doing
* this probably isn't needed
*/
#define SHARED_RESOURCES 1
/* Is I2C bit-banged? */
#undef CONFIG_SOFT_I2
/*
* Clock Settings
* CCLK = (CLKIN * VCO_MULT) / CCLK_DIV
* SCLK = (CLKIN * VCO_MULT) / SCLK_DIV
*/
/* CONFIG_CLKIN_HZ is any value in Hz */
#define CONFIG_CLKIN_HZ 25000000
/* CLKIN_HALF controls the DF bit in PLL_CTL 0 = CLKIN */
/* 1 = CLKIN / 2 */
#define CONFIG_CLKIN_HALF 0
/* PLL_BYPASS controls the BYPASS bit in PLL_CTL 0 = do not bypass */
/* 1 = bypass PLL */
#define CONFIG_PLL_BYPASS 0
/* VCO_MULT controls the MSEL (multiplier) bits in PLL_CTL */
/* Values can range from 0-63 (where 0 means 64) */
#define CONFIG_VCO_MULT 16
/* CCLK_DIV controls the core clock divider */
/* Values can be 1, 2, 4, or 8 ONLY */
#define CONFIG_CCLK_DIV 1
/* SCLK_DIV controls the system clock divider */
/* Values can range from 1-15 */
#define CONFIG_SCLK_DIV 3
/*
* Network settings
*/
#ifdef CONFIG_DRIVER_SMC91111
#define CONFIG_IPADDR 192.168.0.15
#define CONFIG_NETMASK 255.255.255.0
#define CONFIG_GATEWAYIP 192.168.0.1
#define CONFIG_SERVERIP 192.168.0.2
#define CONFIG_HOSTNAME blackstamp
#define CONFIG_ROOTPATH /checkout/uClinux-dist/romfs
#define CONFIG_SYS_AUTOLOAD "no"
/* To remove hardcoding and enable MAC storage in EEPROM */
/* #define CONFIG_ETHADDR 02:80:ad:20:31:b8 */
#endif
#define CONFIG_ENV_IS_IN_SPI_FLASH
#define CONFIG_ENV_OFFSET 0x4000
#define CONFIG_ENV_SIZE 0x2000
#define CONFIG_ENV_SECT_SIZE 0x40000
#define ENV_IS_EMBEDDED_CUSTOM
/*
* SDRAM settings & memory map
*/
#define CONFIG_MEM_SIZE 64 /* 128, 64, 32, 16 */
#define CONFIG_MEM_ADD_WDTH 10 /* 8, 9, 10, 11 */
#define CONFIG_SYS_MONITOR_LEN (256 << 10)
#define CONFIG_SYS_MALLOC_LEN (384 << 10)
/*
* Command settings
*/
#define CONFIG_SYS_LONGHELP 1
#define CONFIG_CMDLINE_EDITING 1
#define CONFIG_AUTO_COMPLETE 1
#define CONFIG_ENV_OVERWRITE 1
#include <config_cmd_default.h>
#ifdef CONFIG_DRIVER_SMC91111
# define CONFIG_CMD_DHCP
# define CONFIG_CMD_PING
#else
# undef CONFIG_CMD_NET
#endif
#ifdef CONFIG_SOFT_I2C
# define CONFIG_CMD_I2C
#endif
#define CONFIG_CMD_BOOTLDR
#define CONFIG_CMD_CACHE
#define CONFIG_CMD_CPLBINFO
#define CONFIG_CMD_DATE
#define CONFIG_CMD_SF
#define CONFIG_CMD_ELF
#define CONFIG_BOOTDELAY 5
#define CONFIG_BOOTCOMMAND "run ramboot"
#define CONFIG_BOOTARGS \
"root=/dev/mtdblock0 rw " \
"clkin_hz=" MK_STR(CONFIG_CLKIN_HZ) " " \
"earlyprintk=" \
"serial," \
"uart" MK_STR(CONFIG_UART_CONSOLE) "," \
MK_STR(CONFIG_BAUDRATE) " " \
"console=ttyBF0," MK_STR(CONFIG_BAUDRATE)
#if defined(CONFIG_CMD_NET)
# if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_BYPASS)
# define UBOOT_ENV_FILE "u-boot.bin"
# else
# define UBOOT_ENV_FILE "u-boot.ldr"
# endif
# if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_SPI_MASTER)
# ifdef CONFIG_SPI
# define UBOOT_ENV_UPDATE \
"eeprom write $(loadaddr) 0x0 $(filesize)"
# else
# define UBOOT_ENV_UPDATE \
"sf probe " MK_STR(BFIN_BOOT_SPI_SSEL) ";" \
"sf erase 0 0x40000;" \
"sf write $(loadaddr) 0 $(filesize)"
# endif
# else
# define UBOOT_ENV_UPDATE \
"protect off 0x20000000 0x2003FFFF;" \
"erase 0x20000000 0x2003FFFF;" \
"cp.b $(loadaddr) 0x20000000 $(filesize)"
# endif
# define NETWORK_ENV_SETTINGS \
"ubootfile=" UBOOT_ENV_FILE "\0" \
"update=" \
"tftp $(loadaddr) $(ubootfile);" \
UBOOT_ENV_UPDATE \
"\0" \
"addip=set bootargs $(bootargs) " \
"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):" \
"$(hostname):eth0:off" \
"\0" \
"ramargs=set bootargs " CONFIG_BOOTARGS "\0" \
"ramboot=" \
"tftp $(loadaddr) uImage;" \
"run ramargs;" \
"run addip;" \
"bootm" \
"\0" \
"nfsargs=set bootargs " \
"root=/dev/nfs rw " \
"nfsroot=$(serverip):$(rootpath),tcp,nfsvers=3" \
"\0" \
"nfsboot=" \
"tftp $(loadaddr) vmImage;" \
"run nfsargs;" \
"run addip;" \
"bootm" \
"\0"
#else
# define NETWORK_ENV_SETTINGS
#endif
/*
* Console settings
*/
#define CONFIG_BAUDRATE 57600
#define CONFIG_LOADS_ECHO 1
#define CONFIG_UART_CONSOLE 0
/*
* I2C settings
* By default PF2 is used as SDA and PF3 as SCL on the Stamp board
* Located on the expansion connector on pins 86/85
* Note these pins are arbitrarily chosen because we aren't using
* them yet. You can (and probably should) change these values!
*/
#ifdef CONFIG_SOFT_I2C
#define PF_SCL PF9
#define PF_SDA PF8
#define I2C_INIT do { *pFIO_DIR |= PF_SCL; SSYNC(); } while (0)
#define I2C_ACTIVE do { *pFIO_DIR |= PF_SDA; *pFIO_INEN &= ~PF_SDA; SSYNC(); } while (0)
#define I2C_TRISTATE do { *pFIO_DIR &= ~PF_SDA; *pFIO_INEN |= PF_SDA; SSYNC(); } while (0)
#define I2C_READ ((*pFIO_FLAG_D & PF_SDA) != 0)
#define I2C_SDA(bit) \
do { \
if (bit) \
*pFIO_FLAG_S = PF_SDA; \
else \
*pFIO_FLAG_C = PF_SDA; \
SSYNC(); \
} while (0)
#define I2C_SCL(bit) \
do { \
if (bit) \
*pFIO_FLAG_S = PF_SCL; \
else \
*pFIO_FLAG_C = PF_SCL; \
SSYNC(); \
} while (0)
#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
#define CONFIG_SYS_I2C_SPEED 50000
#define CONFIG_SYS_I2C_SLAVE 0xFE
#endif
/*
* Miscellaneous configurable options
*/
#define CONFIG_RTC_BFIN 1
/*
* Serial Flash Infomation
*/
#define CONFIG_BFIN_SPI
/* For the M25P64 SCK Should be Kept < 20Mhz */
#define CONFIG_ENV_SPI_MAX_HZ 20000000
#define CONFIG_SF_DEFAULT_HZ 20000000
#define CONFIG_SPI_FLASH
#define CONFIG_SPI_FLASH_STMICRO
/*
* FLASH organization and environment definitions
*/
#define CONFIG_EBIU_AMGCTL_VAL 0xFF
#define CONFIG_EBIU_AMBCTL0_VAL 0xBBC3BBC3
#define CONFIG_EBIU_AMBCTL1_VAL 0x99B39983
#define CONFIG_EBIU_SDRRC_VAL 0x268
#define CONFIG_EBIU_SDGCTL_VAL 0x911109
/* Even though Rev C boards have Parallel Flash
* We aren't supporting it. Newer versions of the
* hardware don't support Parallel Flash at all.
*/
#define CONFIG_SYS_NO_FLASH
#undef CONFIG_CMD_IMLS
#undef CONFIG_CMD_JFFS2
#undef CONFIG_CMD_FLASH
#include <asm/blackfin-config-post.h>
#endif