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Add the board directory for SMN42

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This commit is contained in:
Peter Pearse 2007-05-09 11:42:44 +01:00
parent 160131bf96
commit 65fb6a676e
6 changed files with 796 additions and 0 deletions
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51
board/siemens/SMN42/Makefile Normal file
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#
# (C) Copyright 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 = $(obj)lib$(BOARD).a
COBJS := flash.o smn42.o
SOBJTS := lowlevel_init.o
SRCS := $(SOBJTS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJTS))
$(LIB): $(obj).depend $(OBJS) $(SOBJS)
$(AR) crv $@ $(OBJS) $(SOBJS)
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
#########################################################################

30
board/siemens/SMN42/config.mk Normal file
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#
# (C) Copyright 2000
# Sysgo Real-Time Solutions, GmbH <www.elinos.com>
# Marius Groeger <mgroeger@sysgo.de>
#
# (C) Copyright 2000
# 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
#
#address where u-boot will be relocated
#TEXT_BASE = 0x0
TEXT_BASE = 0x81500000

475
board/siemens/SMN42/flash.c Normal file
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/*
* (C) Copyright 2006 Embedded Artists AB <www.embeddedartists.com>
*
* (C) Copyright 2007 Gary Jennejohn garyj@denx.de
* Modified to use the routines in cpu/arm720t/lpc2292/flash.c.
* Heavily modified to support the SMN42 board from Siemens
*
* 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/byteorder.h>
#include <asm/arch/hardware.h>
static unsigned long flash_addr_table[CFG_MAX_FLASH_BANKS] = CFG_FLASH_BANKS_LIST;
flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
extern int lpc2292_copy_buffer_to_flash(flash_info_t *, ulong);
extern int lpc2292_flash_erase(flash_info_t *, int, int);
extern int lpc2292_write_buff (flash_info_t *, uchar *, ulong, ulong);
static unsigned long ext_flash_init(void);
static int ext_flash_erase(flash_info_t *, int, int);
static int ext_write_buff(flash_info_t *, uchar *, ulong, ulong);
/*-----------------------------------------------------------------------
*/
ulong flash_init (void)
{
int j, k;
ulong size = 0;
ulong flashbase = 0;
flash_info[0].flash_id = PHILIPS_LPC2292;
flash_info[0].size = 0x003E000; /* 256 - 8 KB */
flash_info[0].sector_count = 17;
memset (flash_info[0].protect, 0, 17);
flashbase = 0x00000000;
for (j = 0, k = 0; j < 8; j++, k++) {
flash_info[0].start[k] = flashbase;
flashbase += 0x00002000;
}
for (j = 0; j < 2; j++, k++) {
flash_info[0].start[k] = flashbase;
flashbase += 0x00010000;
}
for (j = 0; j < 7; j++, k++) {
flash_info[0].start[k] = flashbase;
flashbase += 0x00002000;
}
size += flash_info[0].size;
/* Protect monitor and environment sectors */
flash_protect (FLAG_PROTECT_SET,
0x0,
0x0 + monitor_flash_len - 1,
&flash_info[0]);
flash_protect (FLAG_PROTECT_SET,
CFG_ENV_ADDR,
CFG_ENV_ADDR + CFG_ENV_SIZE - 1,
&flash_info[0]);
size += ext_flash_init();
return size;
}
/*-----------------------------------------------------------------------
*/
void flash_print_info (flash_info_t * info)
{
int i;
int erased = 0;
unsigned long j;
unsigned long count;
unsigned char *p;
switch (info->flash_id & FLASH_VENDMASK) {
case (PHILIPS_LPC2292 & FLASH_VENDMASK):
printf("Philips: ");
break;
case FLASH_MAN_AMD:
printf("AMD: ");
break;
default:
printf ("Unknown Vendor ");
break;
}
switch (info->flash_id & FLASH_TYPEMASK) {
case (PHILIPS_LPC2292 & FLASH_TYPEMASK):
printf("LPC2292 internal flash\n");
break;
case FLASH_S29GL128N:
printf ("S29GL128N (128 Mbit, uniform sector size)\n");
break;
default:
printf("Unknown Chip Type\n");
return;
}
printf (" Size: %ld KB in %d Sectors\n",
info->size >> 10, info->sector_count);
printf (" Sector Start Addresses:");
for (i = 0; i < info->sector_count; i++) {
if ((i % 5) == 0) {
printf ("\n ");
}
if (i < (info->sector_count - 1)) {
count = info->start[i+1] - info->start[i];
}
else {
count = info->start[0] + info->size - info->start[i];
}
p = (unsigned char*)(info->start[i]);
erased = 1;
for (j = 0; j < count; j++) {
if (*p != 0xFF) {
erased = 0;
break;
}
p++;
}
printf (" %08lX%s%s", info->start[i], info->protect[i] ? " RO" : " ",
erased ? " E" : " ");
}
printf ("\n");
}
int flash_erase (flash_info_t * info, int s_first, int s_last)
{
switch (info->flash_id & FLASH_TYPEMASK) {
case (PHILIPS_LPC2292 & FLASH_TYPEMASK):
return lpc2292_flash_erase(info, s_first, s_last);
case FLASH_S29GL128N:
return ext_flash_erase(info, s_first, s_last);
default:
return ERR_PROTECTED;
}
return ERR_PROTECTED;
}
int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
{
switch (info->flash_id & FLASH_TYPEMASK) {
case (PHILIPS_LPC2292 & FLASH_TYPEMASK):
return lpc2292_write_buff(info, src, addr, cnt);
case FLASH_S29GL128N:
return ext_write_buff(info, src, addr, cnt);
default:
return ERR_PROG_ERROR;
}
return ERR_PROG_ERROR;
}
/*--------------------------------------------------------------------------
* From here on is code for the external S29GL128N taken from cam5200_flash.c
*/
#define CFG_FLASH_WORD_SIZE unsigned short
static int wait_for_DQ7_32(flash_info_t * info, int sect)
{
ulong start, now, last;
volatile CFG_FLASH_WORD_SIZE *addr =
(CFG_FLASH_WORD_SIZE *) (info->start[sect]);
start = get_timer(0);
last = start;
while ((addr[0] & (CFG_FLASH_WORD_SIZE) 0x00800080) !=
(CFG_FLASH_WORD_SIZE) 0x00800080) {
if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
printf("Timeout\n");
return -1;
}
/* show that we're waiting */
if ((now - last) > 1000) { /* every second */
putc('.');
last = now;
}
}
return 0;
}
int ext_flash_erase(flash_info_t * info, int s_first, int s_last)
{
volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]);
volatile CFG_FLASH_WORD_SIZE *addr2;
int flag, prot, sect, l_sect, ret;
ret = 0;
if ((s_first < 0) || (s_first > s_last)) {
if (info->flash_id == FLASH_UNKNOWN)
printf("- missing\n");
else
printf("- no sectors to erase\n");
return 1;
}
if (info->flash_id == FLASH_UNKNOWN) {
printf("Can't erase unknown flash type - aborted\n");
return 1;
}
prot = 0;
for (sect = s_first; sect <= s_last; ++sect) {
if (info->protect[sect])
prot++;
}
if (prot)
printf("- Warning: %d protected sectors will not be erased!", prot);
printf("\n");
l_sect = -1;
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
/* Start erase on unprotected sectors */
for (sect = s_first; sect <= s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[sect]);
addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080;
addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00300030; /* sector erase */
l_sect = sect;
/*
* Wait for each sector to complete, it's more
* reliable. According to AMD Spec, you must
* issue all erase commands within a specified
* timeout. This has been seen to fail, especially
* if printf()s are included (for debug)!!
*/
ret = wait_for_DQ7_32(info, sect);
if (ret) {
ret = ERR_PROTECTED;
break;
}
}
}
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* wait at least 80us - let's wait 1 ms */
udelay(1000);
/* reset to read mode */
addr = (CFG_FLASH_WORD_SIZE *) info->start[0];
addr[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */
if (ret)
printf(" error\n");
else
printf(" done\n");
return ret;
}
static ulong flash_get_size(vu_long * addr, flash_info_t * info)
{
short i;
CFG_FLASH_WORD_SIZE value;
ulong base = (ulong) addr;
volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) addr;
/* Write auto select command: read Manufacturer ID */
addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00900090;
udelay(1000);
value = addr2[0];
switch (value) {
case (CFG_FLASH_WORD_SIZE) AMD_MANUFACT:
info->flash_id = FLASH_MAN_AMD;
break;
default:
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
return (0); /* no or unknown flash */
}
value = addr2[1]; /* device ID */
switch (value) {
case (CFG_FLASH_WORD_SIZE)AMD_ID_MIRROR:
value = addr2[14];
switch(value) {
case (CFG_FLASH_WORD_SIZE)AMD_ID_GL128N_2:
value = addr2[15];
if (value != (CFG_FLASH_WORD_SIZE)AMD_ID_GL128N_3) {
info->flash_id = FLASH_UNKNOWN;
} else {
info->flash_id += FLASH_S29GL128N;
info->sector_count = 128;
info->size = 0x01000000;
}
break;
default:
info->flash_id = FLASH_UNKNOWN;
return(0);
}
break;
default:
info->flash_id = FLASH_UNKNOWN;
return (0); /* => no or unknown flash */
}
/* set up sector start address table */
for (i = 0; i < info->sector_count; i++)
info->start[i] = base + (i * 0x00020000);
/* check for protected sectors */
for (i = 0; i < info->sector_count; i++) {
/* read sector protection at sector address, (A7 .. A0) = 0x02 */
/* D0 = 1 if protected */
addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]);
info->protect[i] = addr2[2] & 1;
}
/* issue bank reset to return to read mode */
addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0;
return (info->size);
}
static unsigned long ext_flash_init(void)
{
unsigned long total_b = 0;
unsigned long size_b[CFG_MAX_FLASH_BANKS];
int i;
/* Init: no FLASHes known */
for (i = 1; i < CFG_MAX_FLASH_BANKS; ++i) {
flash_info[i].flash_id = FLASH_UNKNOWN;
flash_info[i].sector_count = -1;
flash_info[i].size = 0;
/* call flash_get_size() to initialize sector address */
size_b[i] = flash_get_size((vu_long *) flash_addr_table[i],
&flash_info[i]);
flash_info[i].size = size_b[i];
if (flash_info[i].flash_id == FLASH_UNKNOWN) {
printf("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",
i+1, size_b[i], size_b[i] << 20);
flash_info[i].sector_count = -1;
flash_info[i].size = 0;
}
total_b += flash_info[i].size;
}
return total_b;
}
static int write_word(flash_info_t * info, ulong dest, ushort data)
{
volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[0]);
volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *) dest;
volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *) &data;
ulong start;
int flag;
/* Check if Flash is (sufficiently) erased */
if ((*dest2 & *data2) != *data2) {
return (2);
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA;
addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055;
addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00A000A0;
*dest2 = *data2;
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* data polling for D7 */
start = get_timer(0);
while ((*dest2 & (CFG_FLASH_WORD_SIZE) 0x00800080) !=
(*data2 & (CFG_FLASH_WORD_SIZE) 0x00800080)) {
if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
printf("WRITE_TOUT\n");
return (1);
}
}
return (0);
}
/*-----------------------------------------------------------------------
* This is taken from the original flash.c for the LPC2292 SODIMM board
* and modified to suit.
*/
int ext_write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)
{
ushort tmp;
ulong i;
uchar* src_org;
uchar* dst_org;
ulong cnt_org = cnt;
int ret = ERR_OK;
src_org = src;
dst_org = (uchar*)addr;
if (addr & 1) { /* if odd address */
tmp = *((uchar*)(addr - 1)); /* little endian */
tmp |= (*src << 8);
if (write_word(info, addr - 1, tmp))
return ERR_PROG_ERROR;
addr += 1;
cnt -= 1;
src++;
}
while (cnt > 1) {
tmp = ((*(src+1)) << 8) + (*src); /* little endian */
if (write_word(info, addr, tmp))
return ERR_PROG_ERROR;
addr += 2;
src += 2;
cnt -= 2;
}
if (cnt > 0) {
tmp = (*((uchar*)(addr + 1))) << 8;
tmp |= *src;
if (write_word(info, addr, tmp))
return ERR_PROG_ERROR;
}
for (i = 0; i < cnt_org; i++) {
if (*dst_org != *src_org) {
printf("Write failed. Byte %lX differs\n", i);
ret = ERR_PROG_ERROR;
break;
}
dst_org++;
src_org++;
}
return ret;
}

123
board/siemens/SMN42/lowlevel_init.S Normal file
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/*
* (C) Copyright 2006 Embedded Artists AB <www.embeddedartists.com>
*
* Slight modifications made to support the SMN42 board from Siemens.
* 2007 Gary Jennejohn garyj@denx.de
*
* 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 <version.h>
#include <asm/arch/hardware.h>
/* some parameters for the board */
/* setting up the CPU-internal memory */
#define SRAM_START 0x40000000
#define SRAM_SIZE 0x00004000
#define BCFG0_VALUE 0x1000ffef
#define BCFG1_VALUE 0x10005D2F
#define BCFG2_VALUE 0x10005D2F
/*
* For P0.18 to set ZZ to the SRAMs to 1. Also set P0.2 (SCL) and P0.3 (SDA)
* for the bit-banger I2C driver correctly.
*/
#define IO0_VALUE 0x4000C
_TEXT_BASE:
.word TEXT_BASE
MEMMAP_ADR:
.word MEMMAP
BCFG0_ADR:
.word BCFG0
_BCFG0_VALUE:
.word BCFG0_VALUE
BCFG1_ADR:
.word BCFG1
_BCFG1_VALUE:
.word BCFG1_VALUE
BCFG2_ADR:
.word BCFG2
_BCFG2_VALUE:
.word BCFG2_VALUE
IO0DIR_ADR:
.word IO0DIR
_IO0DIR_VALUE:
.word IO0_VALUE
IO0SET_ADR:
.word IO0SET
_IO0SET_VALUE:
.word IO0_VALUE
PINSEL2_ADR:
.word PINSEL2
PINSEL2_MASK:
.word 0x00000000
PINSEL2_VALUE:
.word 0x0F804914
.extern _start
.globl lowlevel_init
lowlevel_init:
/* set up memory control register for bank 0 */
ldr r0, _BCFG0_VALUE
ldr r1, BCFG0_ADR
str r0, [r1]
/* set up memory control register for bank 1 */
ldr r0, _BCFG1_VALUE
ldr r1, BCFG1_ADR
str r0, [r1]
/* set up memory control register for bank 2 */
ldr r0, _BCFG2_VALUE
ldr r1, BCFG2_ADR
str r0, [r1]
/* set IO0DIR to make P0.2, P0.3 and P0.18 outputs */
ldr r0, _IO0DIR_VALUE
ldr r1, IO0DIR_ADR
str r0, [r1]
/* set P0.18 to 1 */
ldr r0, _IO0SET_VALUE
ldr r1, IO0SET_ADR
str r0, [r1]
/* set up PINSEL2 for bus-pins */
ldr r0, PINSEL2_ADR
ldr r1, [r0]
ldr r2, PINSEL2_MASK
ldr r3, PINSEL2_VALUE
and r1, r1, r2
orr r1, r1, r3
str r1, [r0]
/* move vectors to beginning of SRAM */
mov r2, #SRAM_START
mov r0, #0 /*_start*/
ldmneia r0!, {r3-r10}
stmneia r2!, {r3-r10}
ldmneia r0, {r3-r9}
stmneia r2, {r3-r9}
/* Set-up MEMMAP register, so vectors are taken from SRAM */
ldr r0, MEMMAP_ADR
mov r1, #0x02 /* vectors re-mapped to static RAM */
str r1, [r0]
/* everything is fine now */
mov pc, lr

62
board/siemens/SMN42/smn42.c Normal file
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/*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* (C) Copyright 2005 Rowel Atienza <rowel@diwalabs.com>
* Armadillo board HT1070
*
* (C) Copyright 2007 Gary Jennejohn <garyj@denx.de>
* Siemens board SMN42
*
* 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>
/* ------------------------------------------------------------------------- */
/*
* Miscellaneous platform dependent initialisations
*/
int board_init (void)
{
DECLARE_GLOBAL_DATA_PTR;
/* arch number MACH_TYPE_ARMADILLO - not official*/
gd->bd->bi_arch_number = 83;
/* location of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x00000100;
return 0;
}
int dram_init (void)
{
DECLARE_GLOBAL_DATA_PTR;
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
return (0);
}

55
board/siemens/SMN42/u-boot.lds Normal file
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/*
* (C) Copyright 2000
* 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
*/
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(_start)
SECTIONS
{
. = 0x00000000;
. = ALIGN(4);
.text :
{
cpu/arm720t/start.o (.text)
*(.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) }
_end = .;
}