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mpc8641 image size cleanup

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e600 does not have a bootpg restriction.
Move the version string to beginning of image at fff00000.
Resetvec.S is not needed.
Update flash copy instructions.
Add tftpflash env variable

Signed-off-by: Ed Swarthout <Ed.Swarthout@freescale.com>
Signed-off-by: Jon Loeliger <jdl@freescale.com>
This commit is contained in:
Ed Swarthout 2007-06-05 12:30:52 -05:00 committed by Jon Loeliger
parent b84289b595
commit 32922cdc47
6 changed files with 21 additions and 29 deletions
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3
Makefile
View file

@ -173,9 +173,6 @@ endif
ifeq ($(CPU),mpc85xx)
OBJS += cpu/$(CPU)/resetvec.o
endif
ifeq ($(CPU),mpc86xx)
OBJS += cpu/$(CPU)/resetvec.o
endif
ifeq ($(CPU),bf533)
OBJS += cpu/$(CPU)/start1.o cpu/$(CPU)/interrupt.o cpu/$(CPU)/cache.o
OBJS += cpu/$(CPU)/flush.o cpu/$(CPU)/init_sdram.o

2
board/mpc8641hpcn/config.mk
View file

@ -25,7 +25,7 @@
# default CCSRBAR is at 0xff700000
# assume U-Boot is less than 0.5MB
#
TEXT_BASE = 0xfff01000
TEXT_BASE = 0xfff00000
PLATFORM_CPPFLAGS += -DCONFIG_MPC86xx=1
PLATFORM_CPPFLAGS += -DCONFIG_MPC8641=1 -maltivec -mabi=altivec -msoft-float

22
board/mpc8641hpcn/u-boot.lds
View file

@ -1,7 +1,5 @@
/*
* (C) Copyright 2004, Freescale, Inc.
* (C) Copyright 2002,2003, Motorola,Inc.
* Jeff Brown
* Copyright 2006, 2007 Freescale Semiconductor, Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
@ -23,24 +21,11 @@
*/
OUTPUT_ARCH(powerpc)
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
/* Do we need any of these for elf?
__DYNAMIC = 0; */
SECTIONS
{
.resetvec 0xFFF00100 :
{
*(.resetvec)
} = 0xffff
.bootpg 0xFFF70000 :
{
cpu/mpc86xx/start.o (.bootpg)
board/mpc8641hpcn/init.o (.bootpg)
} = 0xffff
/* Read-only sections, merged into text segment: */
. = + 1024;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
@ -66,7 +51,7 @@ SECTIONS
.text :
{
cpu/mpc86xx/start.o (.text)
board/mpc8641hpcn/init.o (.text)
board/mpc8641hpcn/init.o (.bootpg)
cpu/mpc86xx/traps.o (.text)
cpu/mpc86xx/interrupts.o (.text)
cpu/mpc86xx/cpu_init.o (.text)
@ -88,6 +73,7 @@ SECTIONS
*(.rodata)
*(.rodata1)
*(.rodata.str1.4)
*(.eh_frame)
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }

2
cpu/mpc86xx/resetvec.S
View file

@ -1,2 +0,0 @@
.section .resetvec,"ax"
b _start

11
doc/README.mpc8641hpcn
View file

@ -96,14 +96,17 @@ To Flash U-Boot into the booting bank (0xFFC00000 - 0xFFFFFFFF):
tftp 1000000 u-boot.bin
protect off all
erase fff00000 ffffffff
cp.b 1000000 fff00100 80000
erase fff00000 +$filesize
cp.b 1000000 fff00000 $filesize
or use tftpflash command:
run tftpflash
To Flash U-boot into the alternative bank (0xFF800000 - 0xFFBFFFFF):
tftp 1000000 u-boot.bin
erase ffb00000 ffbfffff
cp.b 1000000 ffb00100 80000
erase ffb00000 +$filesize
cp.b 1000000 ffb00000 $filesize
4. Memory Map

10
include/configs/MPC8641HPCN.h
View file

@ -577,6 +577,7 @@
#define CONFIG_HOSTNAME unknown
#define CONFIG_ROOTPATH /opt/nfsroot
#define CONFIG_BOOTFILE uImage
#define CONFIG_UBOOTPATH u-boot.bin /* U-Boot image on TFTP server */
#define CONFIG_SERVERIP 192.168.1.1
#define CONFIG_GATEWAYIP 192.168.1.1
@ -592,10 +593,17 @@
#define CONFIG_EXTRA_ENV_SETTINGS \
"netdev=eth0\0" \
"uboot=" MK_STR(CONFIG_UBOOTPATH) "\0" \
"tftpflash=tftpboot $loadaddr $uboot; " \
"protect off " MK_STR(TEXT_BASE) " +$filesize; " \
"erase " MK_STR(TEXT_BASE) " +$filesize; " \
"cp.b $loadaddr " MK_STR(TEXT_BASE) " $filesize; " \
"protect on " MK_STR(TEXT_BASE) " +$filesize; " \
"cmp.b $loadaddr " MK_STR(TEXT_BASE) " $filesize\0" \
"consoledev=ttyS0\0" \
"ramdiskaddr=2000000\0" \
"ramdiskfile=your.ramdisk.u-boot\0" \
"dtbaddr=400000\0" \
"dtbaddr=c00000\0" \
"dtbfile=mpc8641_hpcn.dtb\0" \
"en-wd=mw.b f8100010 0x08; echo -expect:- 08; md.b f8100010 1\0" \
"dis-wd=mw.b f8100010 0x00; echo -expect:- 00; md.b f8100010 1\0" \