* Patch by Ron Alder, 11 July 2005

Add Xianghua Xiao and Lunsheng Wang's support for the
    GDA MPC8540 EVAL board.
This commit is contained in:
Lunsheng Wang 2005-07-29 10:20:29 -05:00 committed by Jon Loeliger
parent a720fd99b6
commit b0e3294923
12 changed files with 1969 additions and 25 deletions

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@ -1,6 +1,10 @@
======================================================================
Changes for U-Boot 1.1.3:
======================================================================
* Patch by Ron Alder, 11 July 2005
Add Xianghua Xiao and Lunsheng Wang's support for the
GDA MPC8540 EVAL board.
* Patch by Eran Liberty
Add support for the Freescale MPC8349ADS board.

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@ -121,9 +121,9 @@ LIST_83xx=" \
LIST_85xx=" \
MPC8540ADS MPC8541CDS MPC8548CDS MPC8555CDS \
MPC8560ADS PM854 sbc8540 sbc8560 \
stxgp3 TQM8540 \
MPC8540ADS MPC8540EVAL MPC8541CDS MPC8548CDS \
MPC8555CDS MPC8560ADS PM854 sbc8540 \
sbc8560 stxgp3 TQM8540 \
"
#########################################################################

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@ -1197,6 +1197,26 @@ MPC8349ADS_config: unconfig
MPC8540ADS_config: unconfig
@./mkconfig $(@:_config=) ppc mpc85xx mpc8540ads
MPC8540EVAL_config \
MPC8540EVAL_33_config \
MPC8540EVAL_66_config \
MPC8540EVAL_33_slave_config \
MPC8540EVAL_66_slave_config: unconfig
@echo "" >include/config.h ; \
if [ "$(findstring _33_,$@)" ] ; then \
echo -n "... 33 MHz PCI" ; \
else \
echo "#define CONFIG_SYSCLK_66M" >>include/config.h ; \
echo -n "... 66 MHz PCI" ; \
fi ; \
if [ "$(findstring _slave_,$@)" ] ; then \
echo "#define CONFIG_PCI_SLAVE" >>include/config.h ; \
echo " slave" ; \
else \
echo " host" ; \
fi
@./mkconfig -a MPC8540EVAL ppc mpc85xx mpc8540eval
MPC8560ADS_config: unconfig
@./mkconfig $(@:_config=) ppc mpc85xx mpc8560ads

38
README
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@ -287,17 +287,17 @@ The following options need to be configured:
CONFIG_EBONY CONFIG_MOUSSE CONFIG_SXNI855T
CONFIG_ELPPC CONFIG_MPC8260ADS CONFIG_TQM823L
CONFIG_ELPT860 CONFIG_MPC8540ADS CONFIG_TQM8260
CONFIG_ep8260 CONFIG_MPC8560ADS CONFIG_TQM850L
CONFIG_ERIC CONFIG_MUSENKI CONFIG_TQM855L
CONFIG_ESTEEM192E CONFIG_MVS1 CONFIG_TQM860L
CONFIG_ETX094 CONFIG_NETPHONE CONFIG_TTTech
CONFIG_EVB64260 CONFIG_NETTA CONFIG_UTX8245
CONFIG_FADS823 CONFIG_NETVIA CONFIG_V37
CONFIG_FADS850SAR CONFIG_NX823 CONFIG_W7OLMC
CONFIG_FADS860T CONFIG_OCRTC CONFIG_W7OLMG
CONFIG_FLAGADM CONFIG_ORSG CONFIG_WALNUT405
CONFIG_FPS850L CONFIG_OXC CONFIG_ZPC1900
CONFIG_FPS860L CONFIG_ZUMA
CONFIG_ep8260 CONFIG_MPC8540EVAL CONFIG_TQM850L
CONFIG_ERIC CONFIG_MPC8560ADS CONFIG_TQM855L
CONFIG_ESTEEM192E CONFIG_MUSENKI CONFIG_TQM860L
CONFIG_ETX094 CONFIG_MVS1 CONFIG_TTTech
CONFIG_EVB64260 CONFIG_NETPHONE CONFIG_UTX8245
CONFIG_FADS823 CONFIG_NETTA CONFIG_V37
CONFIG_FADS850SAR CONFIG_NETVIA CONFIG_W7OLMC
CONFIG_FADS860T CONFIG_NX823 CONFIG_W7OLMG
CONFIG_FLAGADM CONFIG_OCRTC CONFIG_WALNUT405
CONFIG_FPS850L CONFIG_ORSG CONFIG_ZPC1900
CONFIG_FPS860L CONFIG_OXC CONFIG_ZUMA
ARM based boards:
-----------------
@ -2186,14 +2186,14 @@ configurations; the following names are supported:
DUET_ADS_config MBX_config sbc8560_66_config
EBONY_config MPC8260ADS_config SM850_config
ELPT860_config MPC8540ADS_config SPD823TS_config
ESTEEM192E_config MPC8560ADS_config stxgp3_config
ETX094_config NETVIA_config SXNI855T_config
FADS823_config omap1510inn_config TQM823L_config
FADS850SAR_config omap1610h2_config TQM850L_config
FADS860T_config omap1610inn_config TQM855L_config
FPS850L_config omap5912osk_config TQM860L_config
omap2420h4_config WALNUT405_config
Yukon8220_config
ESTEEM192E_config MPC8540EVAL_config stxgp3_config
ETX094_config MPC8560ADS_config SXNI855T_config
FADS823_config NETVIA_config TQM823L_config
FADS850SAR_config omap1510inn_config TQM850L_config
FADS860T_config omap1610h2_config TQM855L_config
FPS850L_config omap1610inn_config TQM860L_config
omap5912osk_config WALNUT405_config
omap2420h4_config Yukon8220_config
ZPC1900_config
Note: for some board special configuration names may exist; check if

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@ -0,0 +1,49 @@
#
# (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
#
include $(TOPDIR)/config.mk
LIB = lib$(BOARD).a
OBJS := $(BOARD).o flash.o
#OBJS := $(BOARD).o flash.o $(BOARD)_slave.o
SOBJS := init.o
#SOBJS :=
$(LIB): $(OBJS) $(SOBJS)
$(AR) crv $@ $(OBJS)
clean:
rm -f $(OBJS) $(SOBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
-include .depend
#########################################################################

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@ -0,0 +1,34 @@
# Modified by Xianghua Xiao, X.Xiao@motorola.com
# (C) Copyright 2002,Motorola Inc.
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
#
# gda8540 board
# default CCARBAR is at 0xff700000
# assume U-Boot is less than 0.5MB
#
#TEXT_BASE = 0x1000000
TEXT_BASE = 0xfff80000
PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx=1
PLATFORM_CPPFLAGS += -DCONFIG_MPC8540=1
PLATFORM_CPPFLAGS += -DCONFIG_E500=1

892
board/mpc8540eval/flash.c Normal file
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@ -0,0 +1,892 @@
/*
* (C) Copyright 2003 Motorola Inc.
* Xianghua Xiao,(X.Xiao@motorola.com)
*
* (C) Copyright 2000, 2001
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2001, Stuart Hughes, Lineo Inc, stuarth@lineo.com
* Add support the Sharp chips on the mpc8260ads.
* I started with board/ip860/flash.c and made changes I found in
* the MTD project by David Schleef.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#if !defined(CFG_NO_FLASH)
flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
#if defined(CFG_ENV_IS_IN_FLASH)
# ifndef CFG_ENV_ADDR
# define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET)
# endif
# ifndef CFG_ENV_SIZE
# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE
# endif
# ifndef CFG_ENV_SECT_SIZE
# define CFG_ENV_SECT_SIZE CFG_ENV_SIZE
# endif
#endif
/*
* The variable should be in the flash info structure. Since it
* is only used in this board specific file it is declared here.
* In the future I think an endian flag should be part of the
* flash_info_t structure. (Ron Alder)
*/
static ulong big_endian = 0;
/*-----------------------------------------------------------------------
* Functions
*/
static ulong flash_get_size (vu_long *addr, flash_info_t *info);
static int write_block (flash_info_t *info, uchar * src, ulong dest, ulong cnt);
static int write_short (flash_info_t *info, ulong dest, ushort data);
static int write_word (flash_info_t *info, ulong dest, ulong data);
static int clear_block_lock_bit(flash_info_t *info, vu_long * addr);
/*-----------------------------------------------------------------------
*/
unsigned long flash_init (void)
{
unsigned long size;
int i;
/* Init: enable write,
* or we cannot even write flash commands
*/
for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
flash_info[i].flash_id = FLASH_UNKNOWN;
/* set the default sector offset */
}
/* Static FLASH Bank configuration here - FIXME XXX */
size = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
if (flash_info[0].flash_id == FLASH_UNKNOWN) {
printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
size, size<<20);
}
/* Re-do sizing to get full correct info */
size = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
flash_info[0].size = size;
#if !defined(CONFIG_RAM_AS_FLASH)
#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
/* monitor protection ON by default */
flash_protect(FLAG_PROTECT_SET,
CFG_MONITOR_BASE,
CFG_MONITOR_BASE+monitor_flash_len-1,
&flash_info[0]);
#endif
#ifdef CFG_ENV_IS_IN_FLASH
/* ENV protection ON by default */
flash_protect(FLAG_PROTECT_SET,
CFG_ENV_ADDR,
CFG_ENV_ADDR+CFG_ENV_SECT_SIZE-1,
&flash_info[0]);
#endif
#endif
return (size);
}
/*-----------------------------------------------------------------------
*/
void flash_print_info (flash_info_t *info)
{
int i;
if (info->flash_id == FLASH_UNKNOWN) {
printf ("missing or unknown FLASH type\n");
return;
}
switch (info->flash_id & FLASH_VENDMASK) {
case FLASH_MAN_INTEL: printf ("Intel "); break;
case FLASH_MAN_SHARP: printf ("Sharp "); break;
default: printf ("Unknown Vendor "); break;
}
switch (info->flash_id & FLASH_TYPEMASK) {
case FLASH_28F016SV: printf ("28F016SV (16 Mbit, 32 x 64k)\n");
break;
case FLASH_28F160S3: printf ("28F160S3 (16 Mbit, 32 x 512K)\n");
break;
case FLASH_28F320S3: printf ("28F320S3 (32 Mbit, 64 x 512K)\n");
break;
case FLASH_LH28F016SCT: printf ("28F016SC (16 Mbit, 32 x 64K)\n");
break;
case FLASH_28F640J3A: printf ("28F640J3A (64 Mbit, 64 x 128K)\n");
break;
default: printf ("Unknown Chip Type\n");
break;
}
printf (" Size: %ld MB in %d Sectors\n",
info->size >> 20, info->sector_count);
printf (" Sector Start Addresses:");
for (i=0; i<info->sector_count; ++i) {
if ((i % 5) == 0)
printf ("\n ");
printf (" %08lX%s",
info->start[i],
info->protect[i] ? " (RO)" : " "
);
}
printf ("\n");
}
/* only deal with 16 bit and 32 bit port width, 16bit chip */
static ulong flash_get_size (vu_long *addr, flash_info_t *info)
{
short i;
ulong value,va,vb,vc,vd;
ulong base = (ulong)addr;
ulong sector_offset;
#ifdef DEBUG
printf("Check flash at 0x%08x\n",(uint)addr);
#endif
/* Write "Intelligent Identifier" command: read Manufacturer ID */
*addr = 0x90909090;
udelay(20);
asm("sync");
#ifndef CFG_FLASH_CFI
printf("Not define CFG_FLASH_CFI\n");
return (0);
#else
value = addr[0];
va=(value & 0xFF000000)>>24;
vb=(value & 0x00FF0000)>>16;
vc=(value & 0x0000FF00)>>8;
vd=(value & 0x000000FF);
if ((va==0) && (vb==0)) {
printf("cannot identify Flash\n");
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
return (0); /* no or unknown flash */
}
else if ((va==0) && (vb!=0)) {
big_endian = 1;
info->chipwidth = FLASH_CFI_BY16;
if(vb == vd) info->portwidth = FLASH_CFI_32BIT;
else info->portwidth = FLASH_CFI_16BIT;
}
else if ((va!=0) && (vb==0)) {
big_endian = 0;
info->chipwidth = FLASH_CFI_BY16;
if(va == vc) info->portwidth = FLASH_CFI_32BIT;
else info->portwidth = FLASH_CFI_16BIT;
}
else if ((va!=0) && (vb!=0)) {
big_endian = 1; /* no meaning for 8bit chip */
info->chipwidth = FLASH_CFI_BY8;
if(va == vb) info->portwidth = FLASH_CFI_16BIT;
else info->portwidth = FLASH_CFI_8BIT;
}
#ifdef DEBUG
switch (info->portwidth) {
case FLASH_CFI_8BIT:
printf("port width is 8 bit.\n");
break;
case FLASH_CFI_16BIT:
printf("port width is 16 bit, ");
break;
case FLASH_CFI_32BIT:
printf("port width is 32 bit, ");
break;
}
switch (info->chipwidth) {
case FLASH_CFI_BY16:
printf("chip width is 16 bit, ");
switch (big_endian) {
case 0:
printf("Little Endian.\n");
break;
case 1:
printf("Big Endian.\n");
break;
}
break;
}
#endif
#endif /*#ifdef CFG_FLASH_CFI*/
if (big_endian==0) value = (addr[0] & 0xFF000000) >>8;
else value = (addr[0] & 0x00FF0000);
#ifdef DEBUG
printf("manufacturer=0x%x\n",(uint)(value>>16));
#endif
switch (value) {
case MT_MANUFACT & 0xFFFF0000: /* SHARP, MT or => Intel */
case INTEL_ALT_MANU & 0xFFFF0000:
info->flash_id = FLASH_MAN_INTEL;
break;
default:
printf("unknown manufacturer: %x\n", (unsigned int)value);
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
return (0); /* no or unknown flash */
}
if (info->portwidth==FLASH_CFI_16BIT) {
switch (big_endian) {
case 0:
value = (addr[0] & 0x0000FF00)>>8;
break;
case 1:
value = (addr[0] & 0x000000FF);
break;
}
}
else if (info->portwidth == FLASH_CFI_32BIT) {
switch (big_endian) {
case 0:
value = (addr[1] & 0x0000FF00)>>8;
break;
case 1:
value = (addr[1] & 0x000000FF);
break;
}
}
#ifdef DEBUG
printf("deviceID=0x%x\n",(uint)value);
#endif
switch (value) {
case (INTEL_ID_28F016S & 0x0000FFFF):
info->flash_id += FLASH_28F016SV;
info->sector_count = 32;
sector_offset = 0x10000;
break; /* => 2 MB */
case (INTEL_ID_28F160S3 & 0x0000FFFF):
info->flash_id += FLASH_28F160S3;
info->sector_count = 32;
sector_offset = 0x10000;
break; /* => 2 MB */
case (INTEL_ID_28F320S3 & 0x0000FFFF):
info->flash_id += FLASH_28F320S3;
info->sector_count = 64;
sector_offset = 0x10000;
break; /* => 4 MB */
case (INTEL_ID_28F640J3A & 0x0000FFFF):
info->flash_id += FLASH_28F640J3A;
info->sector_count = 64;
sector_offset = 0x20000;
break; /* => 8 MB */
case SHARP_ID_28F016SCL & 0x0000FFFF:
case SHARP_ID_28F016SCZ & 0x0000FFFF:
info->flash_id = FLASH_MAN_SHARP | FLASH_LH28F016SCT;
info->sector_count = 32;
sector_offset = 0x10000;
break; /* => 2 MB */
default:
info->flash_id = FLASH_UNKNOWN;
return (0); /* => no or unknown flash */
}
sector_offset = sector_offset * (info->portwidth / info->chipwidth);
info->size = info->sector_count * sector_offset;
/* set up sector start address table */
for (i = 0; i < info->sector_count; i++) {
info->start[i] = base;
base += sector_offset;
/* don't know how to check sector protection */
info->protect[i] = 0;
}
/*
* Prevent writes to uninitialized FLASH.
*/
if (info->flash_id != FLASH_UNKNOWN) {
addr = (vu_long *)info->start[0];
*addr = 0xFFFFFF; /* reset bank to read array mode */
asm("sync");
}
return (info->size);
}
/*-----------------------------------------------------------------------
*/
int flash_erase (flash_info_t *info, int s_first, int s_last)
{
int flag, prot, sect;
ulong start, now, last, ready, erase_err_status;
if (big_endian == 1) {
ready = 0x0080;
erase_err_status = 0x00a0;
}
else {
ready = 0x8000;
erase_err_status = 0xa000;
}
if ((info->portwidth / info->chipwidth)==2) {
ready += (ready <<16);
erase_err_status += (erase_err_status <<16);
}
#ifdef DEBUG
printf ("\nReady flag is 0x%lx\nErase error flag is 0x%lx", ready, erase_err_status);
#endif
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_VENDMASK) != FLASH_MAN_INTEL)
&& ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_SHARP) ) {
printf ("Can't erase unknown flash type %08lx - aborted\n",
info->flash_id);
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!\n",
prot);
} else {
printf ("\n");
}
#ifdef DEBUG
printf("\nFlash Erase:\n");
#endif
/* Make Sure Block Lock Bit is not set. */
if(clear_block_lock_bit(info, (vu_long *)(info->start[s_first]))){
return 1;
}
/* Start erase on unprotected sectors */
#if defined(DEBUG)
printf("Begin to erase now,s_first=0x%x s_last=0x%x...\n",s_first,s_last);
#endif
for (sect = s_first; sect<=s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
vu_short *addr16 = (vu_short *)(info->start[sect]);
vu_long *addr = (vu_long *)(info->start[sect]);
printf(".");
switch (info->portwidth) {
case FLASH_CFI_16BIT:
asm("sync");
last = start = get_timer (0);
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
/* Reset Array */
*addr16 = 0xffff;
asm("sync");
/* Clear Status Register */
*addr16 = 0x5050;
asm("sync");
/* Single Block Erase Command */
*addr16 = 0x2020;
asm("sync");
/* Confirm */
*addr16 = 0xD0D0;
asm("sync");
if((info->flash_id & FLASH_TYPEMASK) != FLASH_LH28F016SCT) {
/* Resume Command, as per errata update */
*addr16 = 0xD0D0;
asm("sync");
}
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* wait at least 80us - let's wait 1 ms */
*addr16 = 0x7070;
udelay (1000);
while ((*addr16 & ready) != ready) {
if((*addr16 & erase_err_status)== erase_err_status){
printf("Error in Block Erase - Lock Bit may be set!\n");
printf("Status Register = 0x%X\n", (uint)*addr16);
*addr16 = 0xFFFF; /* reset bank */
asm("sync");
return 1;
}
if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
*addr16 = 0xFFFF; /* reset bank */
asm("sync");
return 1;
}
/* show that we're waiting */
if ((now - last) > 1000) { /* every second */
putc ('.');
last = now;
}
}
/* reset to read mode */
*addr16 = 0xFFFF;
asm("sync");
break;
case FLASH_CFI_32BIT:
asm("sync");
last = start = get_timer (0);
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
/* Reset Array */
*addr = 0xffffffff;
asm("sync");
/* Clear Status Register */
*addr = 0x50505050;
asm("sync");
/* Single Block Erase Command */
*addr = 0x20202020;
asm("sync");
/* Confirm */
*addr = 0xD0D0D0D0;
asm("sync");
if((info->flash_id & FLASH_TYPEMASK) != FLASH_LH28F016SCT) {
/* Resume Command, as per errata update */
*addr = 0xD0D0D0D0;
asm("sync");
}
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* wait at least 80us - let's wait 1 ms */
*addr = 0x70707070;
udelay (1000);
while ((*addr & ready) != ready) {
if((*addr & erase_err_status)==erase_err_status){
printf("Error in Block Erase - Lock Bit may be set!\n");
printf("Status Register = 0x%X\n", (uint)*addr);
*addr = 0xFFFFFFFF; /* reset bank */
asm("sync");
return 1;
}
if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
*addr = 0xFFFFFFFF; /* reset bank */
asm("sync");
return 1;
}
/* show that we're waiting */
if ((now - last) > 1000) { /* every second */
putc ('.');
last = now;
}
}
/* reset to read mode */
*addr = 0xFFFFFFFF;
asm("sync");
break;
} /* end switch */
} /* end if */
} /* end for */
printf ("flash erase done\n");
return 0;
}
/*-----------------------------------------------------------------------
* Copy memory to flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
#define FLASH_BLOCK_SIZE 32
int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
{
ulong cp, wp, data, count, temp;
/* ulong temp[FLASH_BLOCK_SIZE/4];*/
int i, l, rc;
count = cnt;
wp = (addr & ~3); /* get lower word aligned address */
/*
* handle unaligned start bytes
*/
if ((l = addr - wp) != 0) {
data = 0;
for (i=0, cp=wp; i<l; ++i, ++cp) {
data = (data << 8) | (*(uchar *)cp);
}
for (; i<4 && cnt>0; ++i) {
data = (data << 8) | *src++;
--cnt;
++cp;
}
for (; cnt==0 && i<4; ++i, ++cp) {
data = (data << 8) | (*(uchar *)cp);
}
if ((rc = write_word(info, wp, data)) != 0) {
return (rc);
}
wp += 4;
}
cp = wp;
/* handle unaligned block bytes , flash block size = 16bytes */
wp = (cp+FLASH_BLOCK_SIZE-1) & ~(FLASH_BLOCK_SIZE-1);
if ((wp-cp)>=cnt) {
if ((rc = write_block(info,src,cp,wp-cp)) !=0)
return (rc);
src += wp-cp;
cnt -= wp-cp;
}
/* handle aligned block bytes */
temp = 0;
printf("\n");
while ( cnt >= FLASH_BLOCK_SIZE) {
if ((rc = write_block(info,src,cp,FLASH_BLOCK_SIZE)) !=0) {
return (rc);
}
src += FLASH_BLOCK_SIZE;
cp += FLASH_BLOCK_SIZE;
cnt -= FLASH_BLOCK_SIZE;
if (((count-cnt)>>10)>temp) {
temp=(count-cnt)>>10;
printf("\r%d KB",temp);
}
}
printf("\n");
wp = cp;
/*
* handle word aligned part
*/
while (cnt >= 4) {
data = 0;
for (i=0; i<4; ++i) {
data = (data << 8) | *src++;
}
if ((rc = write_word(info, wp, data)) != 0) {
return (rc);
}
wp += 4;
cnt -= 4;
}
if (cnt == 0) {
return (0);
}
/*
* handle unaligned tail bytes
*/
data = 0;
for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
data = (data << 8) | *src++;
--cnt;
}
for (; i<4; ++i, ++cp) {
data = (data << 8) | (*(uchar *)cp);
}
return (write_word(info, wp, data));
}
#undef FLASH_BLOCK_SIZE
/*-----------------------------------------------------------------------
* Write block to Flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
* -1 Error
*/
static int write_block(flash_info_t *info, uchar * src, ulong dest, ulong cnt)
{
vu_short *baddr, *addr = (vu_short *)dest;
ushort data;
ulong start, now, xsr,csr, ready;
int flag;
if (cnt==0) return 0;
else if(cnt != (cnt& ~1)) return -1;
/* Check if Flash is (sufficiently) erased */
data = * src;
data = (data<<8) | *(src+1);
if ((*addr & data) != data) {
return (2);
}
if (big_endian == 1) {
ready = 0x0080;
}
else {
ready = 0x8000;
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
do {
/* Write Command */
*addr = 0xe8e8;
asm("sync");
xsr = *addr;
asm("sync");
} while (!(xsr & ready)); /*wait until read */
/*write count=BLOCK SIZE -1 */
data=(cnt>>1)-1;
data=(data<<8)|data;
*addr = data; /* word mode, cnt/2 */
asm("sync");
baddr = addr;
while(cnt) {
data = * src++;
data = (data<<8) | *src++;
asm("sync");
*baddr = data;
asm("sync");
++baddr;
cnt = cnt -2;
}
*addr = 0xd0d0; /* confirm write */
start = get_timer(0);
asm("sync");
if (flag)
enable_interrupts();
/* data polling for D7 */
flag = 0;
while (((csr = *addr) & ready) != ready) {
if ((now=get_timer(start)) > CFG_FLASH_WRITE_TOUT) {
flag = 1;
break;
}
}
if (csr & 0x4040) {
printf ("CSR indicates write error (%04x) at %08lx\n", csr, (ulong)addr);
flag = 1;
}
/* Clear Status Registers Command */
*addr = 0x5050;
asm("sync");
/* Reset to read array mode */
*addr = 0xFFFF;
asm("sync");
return (flag);
}
/*-----------------------------------------------------------------------
* Write a short word to Flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
static int write_short (flash_info_t *info, ulong dest, ushort data)
{
vu_short *addr = (vu_short *)dest;
ulong start, now, csr, ready;
int flag;
/* Check if Flash is (sufficiently) erased */
if ((*addr & data) != data) {
return (2);
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
/* Write Command */
*addr = 0x1010;
start = get_timer (0);
asm("sync");
/* Write Data */
*addr = data;
asm("sync");
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
if (big_endian == 1) {
ready = 0x0080;
}
else {
ready = 0x8000;
}
/* data polling for D7 */
flag = 0;
while (((csr = *addr) & ready) != ready) {
if ((now=get_timer(start)) > CFG_FLASH_WRITE_TOUT) {
flag = 1;
break;
}
}
if (csr & 0x4040) {
printf ("CSR indicates write error (%04x) at %08lx\n", csr, (ulong)addr);
flag = 1;
}
/* Clear Status Registers Command */
*addr = 0x5050;
asm("sync");
/* Reset to read array mode */
*addr = 0xFFFF;
asm("sync");
return (flag);
}
/*-----------------------------------------------------------------------
* Write a word to Flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
static int write_word (flash_info_t *info, ulong dest, ulong data)
{
vu_long *addr = (vu_long *)dest;
ulong start, csr, ready;
int flag=0;
switch (info->portwidth) {
case FLASH_CFI_32BIT:
/* Check if Flash is (sufficiently) erased */
if ((*addr & data) != data) {
return (2);
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
if (big_endian == 1) {
ready = 0x0080;
}
else {
ready = 0x8000;
}
if ((info->portwidth / info->chipwidth)==2) {
ready += (ready <<16);
}
else {
ready = ready << 16;
}
/* Write Command */
*addr = 0x10101010;
asm("sync");
/* Write Data */
*addr = data;
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* data polling for D7 */
start = get_timer (0);
flag = 0;
while (((csr = *addr) & ready) != ready) {
if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
flag = 1;
break;
}
}
if (csr & 0x40404040) {
printf ("CSR indicates write error (%08lx) at %08lx\n", csr, (ulong)addr);
flag = 1;
}
/* Clear Status Registers Command */
*addr = 0x50505050;
asm("sync");
/* Reset to read array mode */
*addr = 0xFFFFFFFF;
asm("sync");
break;
case FLASH_CFI_16BIT:
flag = write_short (info, dest, (unsigned short) (data>>16));
if (flag == 0)
flag = write_short (info, dest+2, (unsigned short) (data));
break;
}
return (flag);
}
/*-----------------------------------------------------------------------
* Clear Block Lock Bit, returns:
* 0 - OK
* 1 - Timeout
*/
static int clear_block_lock_bit(flash_info_t * info, vu_long * addr)
{
ulong start, now, ready;
/* Reset Array */
*addr = 0xffffffff;
asm("sync");
/* Clear Status Register */
*addr = 0x50505050;
asm("sync");
*addr = 0x60606060;
asm("sync");
*addr = 0xd0d0d0d0;
asm("sync");
if (big_endian == 1) {
ready = 0x0080;
}
else {
ready = 0x8000;
}
if ((info->portwidth / info->chipwidth)==2) {
ready += (ready <<16);
}
else {
ready = ready << 16;
}
#ifdef DEBUG
printf ("%s: Ready flag is 0x%8lx\n", __FUNCTION__, ready);
#endif
*addr = 0x70707070; /* read status */
start = get_timer (0);
while((*addr & ready) != ready){
if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
printf ("Timeout on clearing Block Lock Bit\n");
*addr = 0xFFFFFFFF; /* reset bank */
asm("sync");
return 1;
}
}
return 0;
}
#endif /* !CFG_NO_FLASH */

178
board/mpc8540eval/init.S Normal file
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@ -0,0 +1,178 @@
/*
* Copyright (C) 2002,2003, Motorola Inc.
* Xianghua Xiao <X.Xiao@motorola.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <ppc_asm.tmpl>
#include <ppc_defs.h>
#include <asm/cache.h>
#include <asm/mmu.h>
#include <config.h>
#include <mpc85xx.h>
#define entry_start \
mflr r1 ; \
bl 0f ;
#define entry_end \
0: mflr r0 ; \
mtlr r1 ; \
blr ;
/* TLB1 entries configuration: */
.section .bootpg, "ax"
.globl tlb1_entry
tlb1_entry:
entry_start
.long 0x0a /* the following data table uses a few of 16 TLB entries */
.long TLB1_MAS0(1,1,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_1M)
.long TLB1_MAS2(((CFG_CCSRBAR>>12) & 0xfffff),0,0,0,0,1,0,1,0)
.long TLB1_MAS3(((CFG_CCSRBAR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
#if defined(CFG_FLASH_PORT_WIDTH_16)
.long TLB1_MAS0(1,2,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_4M)
.long TLB1_MAS2(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
.long TLB1_MAS3(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(1,3,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_4M)
.long TLB1_MAS2((((CFG_FLASH_BASE+0x400000)>>12)&0xfffff),0,0,0,0,1,0,1,0)
.long TLB1_MAS3((((CFG_FLASH_BASE+0x400000)>>12)&0xfffff),0,0,0,0,0,1,0,1,0,1)
#else
.long TLB1_MAS0(1,2,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16M)
.long TLB1_MAS2(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
.long TLB1_MAS3(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(1,3,0)
.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
#endif
#if !defined(CONFIG_SPD_EEPROM)
.long TLB1_MAS0(1,4,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M)
.long TLB1_MAS2(((CFG_DDR_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,0,0,0)
.long TLB1_MAS3(((CFG_DDR_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(1,5,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M)
.long TLB1_MAS2((((CFG_DDR_SDRAM_BASE+0x4000000)>>12) & 0xfffff),0,0,0,0,0,0,0,0)
.long TLB1_MAS3((((CFG_DDR_SDRAM_BASE+0x4000000)>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
#else
.long TLB1_MAS0(1,4,0)
.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(1,5,0)
.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
#endif
.long TLB1_MAS0(1,6,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M)
#if defined(CONFIG_RAM_AS_FLASH)
.long TLB1_MAS2(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
#else
.long TLB1_MAS2(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,0,0,0)
#endif
.long TLB1_MAS3(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(1,7,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16K)
#ifdef CONFIG_L2_INIT_RAM
.long TLB1_MAS2(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,1,0,0,0,0)
#else
.long TLB1_MAS2(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,0,0,0,0,0)
#endif
.long TLB1_MAS3(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(1,8,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_256M)
.long TLB1_MAS2(((CFG_PCI_MEM_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
.long TLB1_MAS3(((CFG_PCI_MEM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
.long TLB1_MAS0(1,9,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16K)
.long TLB1_MAS2(((CFG_BCSR>>12) & 0xfffff),0,0,0,0,1,0,1,0)
.long TLB1_MAS3(((CFG_BCSR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
.long TLB1_MAS0(1,15,0)
.long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_1M)
.long TLB1_MAS2(((CFG_CCSRBAR_DEFAULT>>12) & 0xfffff),0,0,0,0,1,0,1,0)
.long TLB1_MAS3(((CFG_CCSRBAR_DEFAULT>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
#else
.long TLB1_MAS0(1,15,0)
.long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
.long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
.long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
#endif
entry_end
/* LAW(Local Access Window) configuration:
* 0000_0000-0800_0000: DDR(128M) -or- larger
* f000_0000-f3ff_ffff: PCI(256M)
* f400_0000-f7ff_ffff: RapidIO(128M)
* f800_0000-ffff_ffff: localbus(128M)
* f800_0000-fbff_ffff: LBC SDRAM(64M)
* fc00_0000-fdef_ffff: LBC BCSR,RTC,etc(31M)
* fdf0_0000-fdff_ffff: CCSRBAR(1M)
* fe00_0000-ffff_ffff: Flash(32M)
* Note: CCSRBAR and L2-as-SRAM don't need configure Local Access
* Window.
* Note: If flash is 8M at default position(last 8M),no LAW needed.
*/
#if !defined(CONFIG_SPD_EEPROM)
#define LAWBAR0 ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff)
#define LAWAR0 (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M))
#else
#define LAWBAR0 0
#define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
#endif
#define LAWBAR1 ((CFG_PCI_MEM_BASE>>12) & 0xfffff)
#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_256M))
#if !defined(CONFIG_RAM_AS_FLASH)
#define LAWBAR2 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_128M))
#else
#define LAWBAR2 0
#define LAWAR2 ((LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
#endif
.section .bootpg, "ax"
.globl law_entry
law_entry:
entry_start
.long 0x03
.long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2
entry_end

View File

@ -0,0 +1,271 @@
/*
* (C) Copyright 2002,2003, Motorola Inc.
* Xianghua Xiao, (X.Xiao@motorola.com)
*
* (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
extern long int spd_sdram (void);
#include <common.h>
#include <asm/processor.h>
#include <asm/immap_85xx.h>
#include <spd.h>
long int fixed_sdram (void);
/* MPC8540ADS Board Status & Control Registers */
#if 0
typedef struct bscr_ {
unsigned long bcsr0;
unsigned long bcsr1;
unsigned long bcsr2;
unsigned long bcsr3;
unsigned long bcsr4;
unsigned long bcsr5;
unsigned long bcsr6;
unsigned long bcsr7;
} bcsr_t;
#endif
int board_pre_init (void)
{
#if defined(CONFIG_PCI)
volatile immap_t *immr = (immap_t *)CFG_IMMR;
volatile ccsr_pcix_t *pci = &immr->im_pcix;
pci->peer &= 0xffffffdf; /* disable master abort */
#endif
return 0;
}
int checkboard (void)
{
sys_info_t sysinfo;
get_sys_info (&sysinfo);
printf ("Board: Freescale MPC8540EVAL Board\n");
printf ("\tCPU: %lu MHz\n", sysinfo.freqProcessor / 1000000);
printf ("\tCCB: %lu MHz\n", sysinfo.freqSystemBus / 1000000);
printf ("\tDDR: %lu MHz\n", sysinfo.freqSystemBus / 2000000);
if((CFG_LBC_LCRR & 0x0f) == 2 || (CFG_LBC_LCRR & 0x0f) == 4 \
|| (CFG_LBC_LCRR & 0x0f) == 8) {
printf ("\tLBC: %lu MHz\n", sysinfo.freqSystemBus / 1000000 /(CFG_LBC_LCRR & 0x0f));
} else {
printf("\tLBC: unknown\n");
}
printf("L1 D-cache 32KB, L1 I-cache 32KB enabled.\n");
return (0);
}
long int initdram (int board_type)
{
long dram_size = 0;
extern long spd_sdram (void);
volatile immap_t *immap = (immap_t *)CFG_IMMR;
#if !defined(CONFIG_RAM_AS_FLASH)
volatile ccsr_lbc_t *lbc= &immap->im_lbc;
sys_info_t sysinfo;
uint temp_lbcdll = 0;
#endif
#if !defined(CONFIG_RAM_AS_FLASH) || defined(CONFIG_DDR_DLL)
volatile ccsr_gur_t *gur= &immap->im_gur;
#endif
#if defined(CONFIG_DDR_DLL)
uint temp_ddrdll = 0;
/* Work around to stabilize DDR DLL */
temp_ddrdll = gur->ddrdllcr;
gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
asm("sync;isync;msync");
#endif
#if defined(CONFIG_SPD_EEPROM)
dram_size = spd_sdram ();
#else
dram_size = fixed_sdram ();
#endif
#if defined(CFG_RAMBOOT)
return dram_size;
#endif
#if !defined(CONFIG_RAM_AS_FLASH) /* LocalBus is not emulating flash */
get_sys_info(&sysinfo);
/* if localbus freq is less than 66Mhz,we use bypass mode,otherwise use DLL */
if(sysinfo.freqSystemBus/(CFG_LBC_LCRR & 0x0f) < 66000000) {
lbc->lcrr = (CFG_LBC_LCRR & 0x0fffffff)| 0x80000000;
} else {
lbc->lcrr = CFG_LBC_LCRR & 0x7fffffff;
udelay(200);
temp_lbcdll = gur->lbcdllcr;
gur->lbcdllcr = ((temp_lbcdll & 0xff) << 16 ) | 0x80000000;
asm("sync;isync;msync");
}
lbc->or2 = CFG_OR2_PRELIM; /* 64MB SDRAM */
lbc->br2 = CFG_BR2_PRELIM;
lbc->lbcr = CFG_LBC_LBCR;
lbc->lsdmr = CFG_LBC_LSDMR_1;
asm("sync");
* (ulong *)0 = 0x000000ff;
lbc->lsdmr = CFG_LBC_LSDMR_2;
asm("sync");
* (ulong *)0 = 0x000000ff;
lbc->lsdmr = CFG_LBC_LSDMR_3;
asm("sync");
* (ulong *)0 = 0x000000ff;
lbc->lsdmr = CFG_LBC_LSDMR_4;
asm("sync");
* (ulong *)0 = 0x000000ff;
lbc->lsdmr = CFG_LBC_LSDMR_5;
asm("sync");
lbc->lsrt = CFG_LBC_LSRT;
asm("sync");
lbc->mrtpr = CFG_LBC_MRTPR;
asm("sync");
#endif
#if defined(CONFIG_DDR_ECC)
{
/* Initialize all of memory for ECC, then
* enable errors */
uint *p = 0;
uint i = 0;
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile ccsr_ddr_t *ddr= &immap->im_ddr;
dma_init();
for (*p = 0; p < (uint *)(8 * 1024); p++) {
if (((unsigned int)p & 0x1f) == 0) { dcbz(p); }
*p = (unsigned int)0xdeadbeef;
if (((unsigned int)p & 0x1c) == 0x1c) { dcbf(p); }
}
/* 8K */
dma_xfer((uint *)0x2000,0x2000,(uint *)0);
/* 16K */
dma_xfer((uint *)0x4000,0x4000,(uint *)0);
/* 32K */
dma_xfer((uint *)0x8000,0x8000,(uint *)0);
/* 64K */
dma_xfer((uint *)0x10000,0x10000,(uint *)0);
/* 128k */
dma_xfer((uint *)0x20000,0x20000,(uint *)0);
/* 256k */
dma_xfer((uint *)0x40000,0x40000,(uint *)0);
/* 512k */
dma_xfer((uint *)0x80000,0x80000,(uint *)0);
/* 1M */
dma_xfer((uint *)0x100000,0x100000,(uint *)0);
/* 2M */
dma_xfer((uint *)0x200000,0x200000,(uint *)0);
/* 4M */
dma_xfer((uint *)0x400000,0x400000,(uint *)0);
for (i = 1; i < dram_size / 0x800000; i++) {
dma_xfer((uint *)(0x800000*i),0x800000,(uint *)0);
}
/* Enable errors for ECC */
ddr->err_disable = 0x00000000;
asm("sync;isync;msync");
}
#endif
return dram_size;
}
#if defined(CFG_DRAM_TEST)
int testdram (void)
{
uint *pstart = (uint *) CFG_MEMTEST_START;
uint *pend = (uint *) CFG_MEMTEST_END;
uint *p;
printf("SDRAM test phase 1:\n");
for (p = pstart; p < pend; p++)
*p = 0xaaaaaaaa;
for (p = pstart; p < pend; p++) {
if (*p != 0xaaaaaaaa) {
printf ("SDRAM test fails at: %08x\n", (uint) p);
return 1;
}
}
printf("SDRAM test phase 2:\n");
for (p = pstart; p < pend; p++)
*p = 0x55555555;
for (p = pstart; p < pend; p++) {
if (*p != 0x55555555) {
printf ("SDRAM test fails at: %08x\n", (uint) p);
return 1;
}
}
printf("SDRAM test passed.\n");
return 0;
}
#endif
#if !defined(CONFIG_SPD_EEPROM)
/*************************************************************************
* fixed sdram init -- doesn't use serial presence detect.
************************************************************************/
long int fixed_sdram (void)
{
#ifndef CFG_RAMBOOT
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile ccsr_ddr_t *ddr= &immap->im_ddr;
ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
ddr->cs0_config = CFG_DDR_CS0_CONFIG;
ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
ddr->sdram_mode = CFG_DDR_MODE;
ddr->sdram_interval = CFG_DDR_INTERVAL;
#if defined (CONFIG_DDR_ECC)
ddr->err_disable = 0x0000000D;
ddr->err_sbe = 0x00ff0000;
#endif
asm("sync;isync;msync");
udelay(500);
#if defined (CONFIG_DDR_ECC)
/* Enable ECC checking */
ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000);
#else
ddr->sdram_cfg = CFG_DDR_CONTROL;
#endif
asm("sync; isync; msync");
udelay(500);
#endif
return (CFG_SDRAM_SIZE * 1024 * 1024);
}
#endif /* !defined(CONFIG_SPD_EEPROM) */

View File

@ -0,0 +1,152 @@
/*
* (C) Copyright 2002,2003, Motorola,Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/* Assumes that the size of u-boot is less than 512K and the
* start address is aligned on a 512K block.
* Boot page and reset vector is put at that end of the 512K block. */
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
{
/* Read-only sections, merged into text segment: */
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
.text :
{
cpu/mpc85xx/start.o (.text)
board/mpc8540eval/init.o (.text)
cpu/mpc85xx/traps.o (.text)
cpu/mpc85xx/interrupts.o (.text)
cpu/mpc85xx/cpu_init.o (.text)
cpu/mpc85xx/cpu.o (.text)
cpu/mpc85xx/speed.o (.text)
cpu/mpc85xx/pci.o (.text)
common/dlmalloc.o (.text)
lib_generic/crc32.o (.text)
lib_ppc/extable.o (.text)
lib_generic/zlib.o (.text)
*(.text)
*(.fixup)
*(.got1)
}
_etext = .;
PROVIDE (etext = .);
.rodata :
{
*(.rodata)
*(.rodata1)
*(.rodata.str1.4)
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }
.dtors : { *(.dtors) }
/* Read-write section, merged into data segment: */
. = (. + 0x00FF) & 0xFFFFFF00;
_erotext = .;
PROVIDE (erotext = .);
.reloc :
{
*(.got)
_GOT2_TABLE_ = .;
*(.got2)
_FIXUP_TABLE_ = .;
*(.fixup)
}
__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
__fixup_entries = (. - _FIXUP_TABLE_) >> 2;
.data :
{
*(.data)
*(.data1)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
}
_edata = .;
PROVIDE (edata = .);
__u_boot_cmd_start = .;
.u_boot_cmd : { *(.u_boot_cmd) }
__u_boot_cmd_end = .;
__start___ex_table = .;
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
. = ALIGN(256);
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
. = ALIGN(256);
__init_end = .;
__bss_start = .;
.bss :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
}
_end = . ;
PROVIDE (end = .);
. = (. & 0xFFF80000) + 0x0007F000;
.bootpg :
{
cpu/mpc85xx/start.o (.bootpg)
board/mpc8540eval/init.o (.bootpg)
} = 0xffff
. = (. & 0xFFF80000) + 0x0007FFFC;
.resetvec :
{
*(.resetvec)
} = 0xffff
}

View File

@ -155,11 +155,13 @@ _start_e500:
mtspr MCSR,r0
mtspr DEAR,r0
mtspr DBCR0,r0
/* not needed and conflicts with some debuggers */
/* mtspr DBCR0,r0 */
mtspr DBCR1,r0
mtspr DBCR2,r0
mtspr IAC1,r0
mtspr IAC2,r0
/* not needed and conflicts with some debuggers */
/* mtspr IAC1,r0 */
/* mtspr IAC2,r0 */
mtspr DAC1,r0
mtspr DAC2,r0

View File

@ -0,0 +1,342 @@
/*
* (C) Copyright 2002,2003 Motorola,Inc.
* Modified by Lunsheng Wang, lunsheng@sohu.com
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/* mpc8540eval board configuration file */
/* please refer to doc/README.mpc85xxads for more info */
/* make sure you change the MAC address and other network params first,
* search for CONFIG_ETHADDR,CONFIG_SERVERIP,etc in this file
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/* High Level Configuration Options */
#define CONFIG_BOOKE 1 /* BOOKE */
#define CONFIG_E500 1 /* BOOKE e500 family */
#define CONFIG_MPC85xx 1 /* MPC8540/MPC8560 */
#define CONFIG_MPC8540 1 /* MPC8540 specific */
#define CONFIG_MPC8540EVAL 1 /* MPC8540EVAL board specific */
#undef CONFIG_PCI /* pci ethernet support */
#define CONFIG_TSEC_ENET /* tsec ethernet support */
#define CONFIG_ENV_OVERWRITE
#define CONFIG_SPD_EEPROM /* Use SPD EEPROM for DDR setup */
#undef CONFIG_DDR_ECC /* only for ECC DDR module */
#define CONFIG_DDR_DLL /* possible DLL fix needed */
/* Using Localbus SDRAM to emulate flash before we can program the flash,
* normally you only need a flash-boot image(u-boot.bin),if unsure undef this.
* Not availabe for EVAL board
*/
#undef CONFIG_RAM_AS_FLASH
/* sysclk for MPC8540EVAL */
#if defined(CONFIG_SYSCLK_66M)
#define CONFIG_SYS_CLK_FREQ 66000000 /* the oscillator on board is 66Mhz */
/* can also get 66M clock from external PCI */
#else
#define CONFIG_SYS_CLK_FREQ 33000000 /* most pci cards are 33Mhz */
#endif
/* below can be toggled for performance analysis. otherwise use default */
#define CONFIG_L2_CACHE /* toggle L2 cache */
#undef CONFIG_BTB /* toggle branch predition */
#undef CONFIG_ADDR_STREAMING /* toggle addr streaming */
#define CONFIG_BOARD_PRE_INIT 1 /* Call board_pre_init */
#undef CFG_DRAM_TEST /* memory test, takes time */
#define CFG_MEMTEST_START 0x00200000 /* memtest works on */
#define CFG_MEMTEST_END 0x00400000
#if defined(CONFIG_PCI) && defined(CONFIG_TSEC_ENET)
#error "You can only use either PCI Ethernet Card or TSEC Ethernet, not both."
#endif
/*
* Base addresses -- Note these are effective addresses where the
* actual resources get mapped (not physical addresses)
*/
#define CFG_CCSRBAR_DEFAULT 0xff700000 /* CCSRBAR Default */
#define CFG_CCSRBAR 0xe0000000 /* relocated CCSRBAR */
#define CFG_IMMR CFG_CCSRBAR /* PQII uses CFG_IMMR */
#define CFG_DDR_SDRAM_BASE 0x00000000 /* DDR is system memory */
#define CFG_SDRAM_BASE CFG_DDR_SDRAM_BASE
#define CFG_SDRAM_SIZE 256 /* DDR is now 256MB */
#if defined(CONFIG_RAM_AS_FLASH)
#define CFG_LBC_SDRAM_BASE 0xfc000000 /* Localbus SDRAM */
#else
#define CFG_LBC_SDRAM_BASE 0xf0000000 /* Localbus SDRAM */
#endif
#define CFG_LBC_SDRAM_SIZE 64 /* LBC SDRAM is 0MB */
#if defined(CONFIG_RAM_AS_FLASH)
#define CFG_FLASH_BASE 0xf8000000 /* start of FLASH 16M */
#define CFG_BR0_PRELIM 0xf8001801 /* port size 32bit */
#else /* Boot from real Flash */
#define CFG_FLASH_BASE 0xff800000 /* start of FLASH 8M */
#define CFG_BR0_PRELIM 0xff801001 /* port size 16bit */
#endif
#define CFG_OR0_PRELIM 0xff806f67 /* 8MB Flash */
#define CFG_MAX_FLASH_BANKS 1 /* number of banks */
#define CFG_MAX_FLASH_SECT 64 /* sectors per device */
#undef CFG_FLASH_CHECKSUM
#define CFG_FLASH_ERASE_TOUT 60000 /* Timeout for Flash Erase (in ms)*/
#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms)*/
#define CFG_FLASH_CFI 1
#define CFG_MONITOR_BASE TEXT_BASE /* start of monitor */
#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
#define CFG_RAMBOOT
#else
#undef CFG_RAMBOOT
#endif
#define SPD_EEPROM_ADDRESS 0x51 /* DDR DIMM */
/* Here some DDR setting should be added */
#undef CONFIG_CLOCKS_IN_MHZ
/* local bus definitions */
#define CFG_BR2_PRELIM 0xf0001861 /* 64MB localbus SDRAM */
#define CFG_OR2_PRELIM 0xfc006901
#define CFG_LBC_LCRR 0x00030004 /* local bus freq divider*/
#define CFG_LBC_LBCR 0x00000000
#define CFG_LBC_LSRT 0x20000000
#define CFG_LBC_MRTPR 0x20000000
#define CFG_LBC_LSDMR_1 0x2861b723
#define CFG_LBC_LSDMR_2 0x0861b723
#define CFG_LBC_LSDMR_3 0x0861b723
#define CFG_LBC_LSDMR_4 0x1861b723
#define CFG_LBC_LSDMR_5 0x4061b723
#if defined(CONFIG_RAM_AS_FLASH)
#define CFG_BR4_PRELIM 0xf8000801 /* 32KB, 8-bit wide for ADS config reg */
#else
#define CFG_BR4_PRELIM 0xf8000801 /* 32KB, 8-bit wide for ADS config reg */
#endif
#define CFG_OR4_PRELIM 0xffffe1f1
#define CFG_BCSR (CFG_BR4_PRELIM & 0xffff8000)
#define CONFIG_L1_INIT_RAM
#define CFG_INIT_RAM_LOCK 1
#define CFG_INIT_RAM_ADDR 0x40000000 /* Initial RAM address */
#define CFG_INIT_RAM_END 0x4000 /* End of used area in RAM */
#define CFG_GBL_DATA_SIZE 128 /* num bytes initial data */
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon */
#define CFG_MALLOC_LEN (128 * 1024) /* Reserved for malloc */
/* Serial Port */
#define CONFIG_CONS_INDEX 1
#undef CONFIG_SERIAL_SOFTWARE_FIFO
#define CFG_NS16550
#define CFG_NS16550_SERIAL
#define CFG_NS16550_REG_SIZE 1
#define CFG_NS16550_CLK get_bus_freq(0)
#define CONFIG_BAUDRATE 115200
#define CFG_BAUDRATE_TABLE \
{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
#define CFG_NS16550_COM1 (CFG_CCSRBAR+0x4500)
#define CFG_NS16550_COM2 (CFG_CCSRBAR+0x4600)
/* Use the HUSH parser */
#define CFG_HUSH_PARSER
#ifdef CFG_HUSH_PARSER
#define CFG_PROMPT_HUSH_PS2 "> "
#endif
/* I2C */
#define CONFIG_HARD_I2C /* I2C with hardware support*/
#undef CONFIG_SOFT_I2C /* I2C bit-banged */
#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
#define CFG_I2C_SLAVE 0x7F
#define CFG_I2C_NOPROBES {0x69} /* Don't probe these addrs */
/* General PCI */
#define CFG_PCI_MEM_BASE 0x80000000
#define CFG_PCI_MEM_PHYS 0x80000000
#define CFG_PCI_MEM_SIZE 0x20000000
#define CFG_PCI_IO_BASE 0xe2000000
#if defined(CONFIG_PCI)
#define CONFIG_NET_MULTI
#undef CONFIG_EEPRO100
#define CONFIG_TULIP
#define CONFIG_PCI_PNP /* do pci plug-and-play */
#if !defined(CONFIG_PCI_PNP)
#define PCI_ENET0_IOADDR 0xe0000000
#define PCI_ENET0_MEMADDR 0xe0000000
#define PCI_IDSEL_NUMBER 0x0c /*slot0->3(IDSEL)=12->15*/
#endif
#define CONFIG_PCI_SCAN_SHOW 1 /* show pci devices on startup */
#define CFG_PCI_SUBSYS_VENDORID 0x1057 /* Motorola */
#define CFG_PCI_SUBSYS_DEVICEID 0x0008
#elif defined(CONFIG_TSEC_ENET)
#define CONFIG_NET_MULTI 1
#define CONFIG_MII 1 /* MII PHY management */
#define CONFIG_MPC85XX_TSEC1 1
#define CONFIG_MPC85XX_TSEC1_NAME "TSEC0"
#define CONFIG_MPC85XX_TSEC2 1
#define CONFIG_MPC85XX_TSEC2_NAME "TSEC1"
#define CONFIG_MPC85XX_FEC 1
#define CONFIG_MPC85XX_FEC_NAME "FEC"
#define TSEC1_PHY_ADDR 7
#define TSEC2_PHY_ADDR 4
#define FEC_PHY_ADDR 2
#define TSEC1_PHYIDX 0
#define TSEC2_PHYIDX 0
#define FEC_PHYIDX 0
/* Options are: TSEC[0-1], FEC */
#define CONFIG_ETHPRIME "TSEC0"
#define CONFIG_PHY_M88E1011 1 /* GigaBit Ether PHY */
#define INTEL_LXT971_PHY 1 /* on EVAL board. It is Davicom 9161 on ADS. */
#endif
#undef DEBUG
/* Environment */
#ifndef CFG_RAMBOOT
#if defined(CONFIG_RAM_AS_FLASH)
#define CFG_ENV_IS_NOWHERE
#define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x100000)
#define CFG_ENV_SIZE 0x2000
#else
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR (CFG_MONITOR_BASE + 0x40000)
#define CFG_ENV_SECT_SIZE 0x40000 /* 256K(one sector) for env */
#endif
#define CFG_ENV_SIZE 0x2000
#else
/* #define CFG_NO_FLASH 1 */ /* Flash is not usable now */
#define CFG_ENV_IS_NOWHERE 1 /* Store ENV in memory only */
#define CFG_ENV_ADDR (CFG_MONITOR_BASE - 0x1000)
#define CFG_ENV_SIZE 0x2000
#endif
/*#define CONFIG_BOOTARGS "root=/dev/nfs rw nfsroot=192.168.1.10:/tftproot/192.168.1.11 ip=192.168.1.11:192.168.1.10:192.168.1.0:255.255.255.0:mpc8540ads-003:eth0:off console=ttyS0,115200"*/
#define CONFIG_BOOTARGS "root=/dev/ram rw console=ttyS0,115200"
#define CONFIG_BOOTCOMMAND "bootm 0xff800000 0xffa00000"
#define CONFIG_BOOTDELAY 3 /* -1 disable autoboot */
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
#if defined(CFG_RAMBOOT) || defined(CONFIG_RAM_AS_FLASH)
#if defined(CONFIG_PCI)
#define CONFIG_COMMANDS ((CONFIG_CMD_DFL | CFG_CMD_PING | CFG_CMD_PCI | CFG_CMD_I2C ) & \
~(CFG_CMD_ENV | CFG_CMD_LOADS ))
#else
#define CONFIG_COMMANDS ((CONFIG_CMD_DFL | CFG_CMD_PING | CFG_CMD_I2C ) & \
~(CFG_CMD_ENV | \
CFG_CMD_LOADS ))
#endif
#else
#if defined(CONFIG_PCI)
#define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_PCI | CFG_CMD_PING | CFG_CMD_I2C )
#else
#define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_PING | CFG_CMD_I2C )
#endif
#endif
#include <cmd_confdefs.h>
#undef CONFIG_WATCHDOG /* watchdog disabled */
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#define CFG_LOAD_ADDR 0x2000000 /* default load address */
#define CFG_PROMPT "MPC8540EVAL=> "/* Monitor Command Prompt */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#else
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
/*
* For booting Linux, the board info and command line data
* have to be in the first 8 MB of memory, since this is
* the maximum mapped by the Linux kernel during initialization.
*/
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
/* Cache Configuration */
#define CFG_DCACHE_SIZE 32768
#define CFG_CACHELINE_SIZE 32
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
#endif
/*
* Internal Definitions
*
* Boot Flags
*/
#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
#define BOOTFLAG_WARM 0x02 /* Software reboot */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
#endif
/*****************************/
/* Environment Configuration */
/*****************************/
/* The mac addresses for all ethernet interface */
/* NOTE: change below for your network setting!!! */
#if defined(CONFIG_TSEC_ENET)
#define CONFIG_ETHADDR 00:01:af:07:9b:8a
#define CONFIG_ETH1ADDR 00:01:af:07:9b:8b
#define CONFIG_ETH2ADDR 00:01:af:07:9b:8c
#endif
#define CONFIG_ROOTPATH /nfsroot
#define CONFIG_BOOTFILE your.uImage
#define CONFIG_SERVERIP 192.168.101.1
#define CONFIG_IPADDR 192.168.101.11
#define CONFIG_GATEWAYIP 192.168.101.0
#define CONFIG_NETMASK 255.255.255.0
#define CONFIG_LOADADDR 200000 /* default location for tftp and bootm */
#define CONFIG_HOSTNAME MPC8540EVAL
#endif /* __CONFIG_H */