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BUBINGA405EP board added (IBM PPC405EP Eval Board).

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master
stroese 22 years ago
parent c93f70962b
commit 46578cc018
9 changed files with 1755 additions and 0 deletions
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  1. 47
      board/bubinga405ep/Makefile
  2. 126
      board/bubinga405ep/bubinga405ep.c
  3. 44
      board/bubinga405ep/bubinga405ep.h
  4. 29
      board/bubinga405ep/config.mk
  5. 737
      board/bubinga405ep/flash.c
  6. 55
      board/bubinga405ep/init.S
  7. 144
      board/bubinga405ep/u-boot.lds
  8. 147
      board/bubinga405ep/u-boot.lds.debug
  9. 426
      include/configs/BUBINGA405EP.h

47
board/bubinga405ep/Makefile
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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
#
include $(TOPDIR)/config.mk
LIB = lib$(BOARD).a
OBJS = $(BOARD).o flash.o
SOBJS = init.o
$(LIB): $(OBJS) $(SOBJS)
$(AR) crv $@ $^
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
sinclude .depend
#########################################################################

126
board/bubinga405ep/bubinga405ep.c
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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
*/
long int spd_sdram (void);
#include <common.h>
#include "bubinga405ep.h"
#include <asm/processor.h>
int board_pre_init (void)
{
mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
mtdcr (uicer, 0x00000000); /* disable all ints */
mtdcr (uiccr, 0x00000010);
mtdcr (uicpr, 0xFFFF7FF0); /* set int polarities */
mtdcr (uictr, 0x00000010); /* set int trigger levels */
mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
#if 0
#define mtebc(reg, data) mtdcr(ebccfga,reg);mtdcr(ebccfgd,data)
/* CS1 */
/* BAS=0xF00,BS=0x0(1MB),BU=0x3(R/W),BW=0x0( 8 bits) */
mtebc (pb1ap, 0x02815480);
mtebc (pb1cr, 0xF0018000);
p = (unsigned int*)0xEF600708;
t = *p;
t = t | 0x00000400;
*p = t;
/* BAS=0xF01,BS=0x0(1MB),BU=0x3(R/W),BW=0x0(8 bits) */
mtebc (pb2ap, 0x04815A80);
mtebc (pb2cr, 0xF0118000);
/* BAS=0xF02,BS=0x0(1MB),BU=0x3(R/W),BW=0x0( 8 bits) */
mtebc (pb3ap, 0x01815280);
mtebc (pb3cr, 0xF0218000);
/* BAS=0xF03,BS=0x0(1MB),BU=0x3(R/W),BW=0x0(8 bits) */
mtebc (pb7ap, 0x01815280);
mtebc (pb7cr, 0xF0318000);
/* set UART1 control to select CTS/RTS */
#define FPGA_BRDC 0xF0300004
*(volatile char *) (FPGA_BRDC) |= 0x1;
#endif
return 0;
}
/* ------------------------------------------------------------------------- */
/*
* Check Board Identity:
*/
int checkboard (void)
{
unsigned char *s = getenv ("serial#");
unsigned char *e;
puts ("Board: ");
if (!s || strncmp (s, "BUBINGA405EP", 9)) {
puts ("### No HW ID - assuming WALNUT405");
} else {
for (e = s; *e; ++e) {
if (*e == ' ')
break;
}
for (; s < e; ++s) {
putc (*s);
}
}
putc ('\n');
return (0);
}
/* -------------------------------------------------------------------------
initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of
the necessary info for SDRAM controller configuration
------------------------------------------------------------------------- */
long int initdram (int board_type)
{
long int ret;
ret = spd_sdram ();
return ret;
}
/* ------------------------------------------------------------------------- */
int testdram (void)
{
/* TODO: XXX XXX XXX */
printf ("test: xxx MB - ok\n");
return (0);
}
/* ------------------------------------------------------------------------- */

44
board/bubinga405ep/bubinga405ep.h
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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
*/
/****************************************************************************
* FLASH Memory Map as used by TQ Monitor:
*
* Start Address Length
* +-----------------------+ 0x4000_0000 Start of Flash -----------------
* | MON8xx code | 0x4000_0100 Reset Vector
* +-----------------------+ 0x400?_????
* | (unused) |
* +-----------------------+ 0x4001_FF00
* | Ethernet Addresses | 0x78
* +-----------------------+ 0x4001_FF78
* | (Reserved for MON8xx) | 0x44
* +-----------------------+ 0x4001_FFBC
* | Lock Address | 0x04
* +-----------------------+ 0x4001_FFC0 ^
* | Hardware Information | 0x40 | MON8xx
* +=======================+ 0x4002_0000 (sector border) -----------------
* | Autostart Header | | Applications
* | ... | v
*
*****************************************************************************/

29
board/bubinga405ep/config.mk
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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
#
#
# esd ADCIOP boards
#
#TEXT_BASE = 0xFFFE0000
TEXT_BASE = 0xFFF80000

737
board/bubinga405ep/flash.c
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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
*/
/*
* Modified 4/5/2001
* Wait for completion of each sector erase command issued
* 4/5/2001
* Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
*/
#include <common.h>
#include <ppc4xx.h>
#include <asm/processor.h>
flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
/*-----------------------------------------------------------------------
* Functions
*/
static ulong flash_get_size (vu_long *addr, flash_info_t *info);
static int write_word (flash_info_t *info, ulong dest, ulong data);
static void flash_get_offsets (ulong base, flash_info_t *info);
#ifdef CONFIG_ADCIOP
#define ADDR0 0x0aa9
#define ADDR1 0x0556
#define FLASH_WORD_SIZE unsigned char
#endif
#ifdef CONFIG_CPCI405
#define ADDR0 0x5555
#define ADDR1 0x2aaa
#define FLASH_WORD_SIZE unsigned short
#endif
#ifdef CONFIG_WALNUT405
#define ADDR0 0x5555
#define ADDR1 0x2aaa
#define FLASH_WORD_SIZE unsigned char
#endif
#ifdef CONFIG_BUBINGA405EP
#define ADDR0 0x5555
#define ADDR1 0x2aaa
#define FLASH_WORD_SIZE unsigned char
#endif
/*-----------------------------------------------------------------------
*/
unsigned long flash_init (void)
{
unsigned long size_b0, size_b1;
int i;
uint pbcr;
unsigned long base_b0, base_b1;
/* Init: no FLASHes known */
for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
flash_info[i].flash_id = FLASH_UNKNOWN;
}
/* Static FLASH Bank configuration here - FIXME XXX */
size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]);
if (flash_info[0].flash_id == FLASH_UNKNOWN) {
printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
size_b0, size_b0<<20);
}
/* Only one bank */
if (CFG_MAX_FLASH_BANKS == 1)
{
/* Setup offsets */
flash_get_offsets (FLASH_BASE0_PRELIM, &flash_info[0]);
/* Monitor protection ON by default */
(void)flash_protect(FLAG_PROTECT_SET,
FLASH_BASE0_PRELIM,
FLASH_BASE0_PRELIM+CFG_MONITOR_LEN-1,
&flash_info[0]);
size_b1 = 0 ;
flash_info[0].size = size_b0;
}
/* 2 banks */
else
{
size_b1 = flash_get_size((vu_long *)FLASH_BASE1_PRELIM, &flash_info[1]);
/* Re-do sizing to get full correct info */
if (size_b1)
{
mtdcr(ebccfga, pb0cr);
pbcr = mfdcr(ebccfgd);
mtdcr(ebccfga, pb0cr);
base_b1 = -size_b1;
pbcr = (pbcr & 0x0001ffff) | base_b1 | (((size_b1/1024/1024)-1)<<17);
mtdcr(ebccfgd, pbcr);
/* printf("pb1cr = %x\n", pbcr); */
}
if (size_b0)
{
mtdcr(ebccfga, pb1cr);
pbcr = mfdcr(ebccfgd);
mtdcr(ebccfga, pb1cr);
base_b0 = base_b1 - size_b0;
pbcr = (pbcr & 0x0001ffff) | base_b0 | (((size_b0/1024/1024)-1)<<17);
mtdcr(ebccfgd, pbcr);
/* printf("pb0cr = %x\n", pbcr); */
}
size_b0 = flash_get_size((vu_long *)base_b0, &flash_info[0]);
flash_get_offsets (base_b0, &flash_info[0]);
/* monitor protection ON by default */
(void)flash_protect(FLAG_PROTECT_SET,
base_b0+size_b0-CFG_MONITOR_LEN,
base_b0+size_b0-1,
&flash_info[0]);
if (size_b1) {
/* Re-do sizing to get full correct info */
size_b1 = flash_get_size((vu_long *)base_b1, &flash_info[1]);
flash_get_offsets (base_b1, &flash_info[1]);
/* monitor protection ON by default */
(void)flash_protect(FLAG_PROTECT_SET,
base_b1+size_b1-CFG_MONITOR_LEN,
base_b1+size_b1-1,
&flash_info[1]);
/* monitor protection OFF by default (one is enough) */
(void)flash_protect(FLAG_PROTECT_CLEAR,
base_b0+size_b0-CFG_MONITOR_LEN,
base_b0+size_b0-1,
&flash_info[0]);
} else {
flash_info[1].flash_id = FLASH_UNKNOWN;
flash_info[1].sector_count = -1;
}
flash_info[0].size = size_b0;
flash_info[1].size = size_b1;
}/* else 2 banks */
return (size_b0 + size_b1);
}
/*-----------------------------------------------------------------------
*/
static void flash_get_offsets (ulong base, flash_info_t *info)
{
int i;
/* set up sector start address table */
if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
(info->flash_id == FLASH_AM040)){
for (i = 0; i < info->sector_count; i++)
info->start[i] = base + (i * 0x00010000);
} else {
if (info->flash_id & FLASH_BTYPE) {
/* set sector offsets for bottom boot block type */
info->start[0] = base + 0x00000000;
info->start[1] = base + 0x00004000;
info->start[2] = base + 0x00006000;
info->start[3] = base + 0x00008000;
for (i = 4; i < info->sector_count; i++) {
info->start[i] = base + (i * 0x00010000) - 0x00030000;
}
} else {
/* set sector offsets for top boot block type */
i = info->sector_count - 1;
info->start[i--] = base + info->size - 0x00004000;
info->start[i--] = base + info->size - 0x00006000;
info->start[i--] = base + info->size - 0x00008000;
for (; i >= 0; i--) {
info->start[i] = base + i * 0x00010000;
}
}
}
}
/*-----------------------------------------------------------------------
*/
void flash_print_info (flash_info_t *info)
{
int i;
int k;
int size;
int erased;
volatile unsigned long *flash;
if (info->flash_id == FLASH_UNKNOWN) {
printf ("missing or unknown FLASH type\n");
return;
}
switch (info->flash_id & FLASH_VENDMASK) {
case FLASH_MAN_AMD: printf ("AMD "); break;
case FLASH_MAN_FUJ: printf ("FUJITSU "); break;
case FLASH_MAN_SST: printf ("SST "); break;
default: printf ("Unknown Vendor "); break;
}
switch (info->flash_id & FLASH_TYPEMASK) {
case FLASH_AM040: printf ("AM29F040 (512 Kbit, uniform sector size)\n");
break;
case FLASH_AM400B: printf ("AM29LV400B (4 Mbit, bottom boot sect)\n");
break;
case FLASH_AM400T: printf ("AM29LV400T (4 Mbit, top boot sector)\n");
break;
case FLASH_AM800B: printf ("AM29LV800B (8 Mbit, bottom boot sect)\n");
break;
case FLASH_AM800T: printf ("AM29LV800T (8 Mbit, top boot sector)\n");
break;
case FLASH_AM160B: printf ("AM29LV160B (16 Mbit, bottom boot sect)\n");
break;
case FLASH_AM160T: printf ("AM29LV160T (16 Mbit, top boot sector)\n");
break;
case FLASH_AM320B: printf ("AM29LV320B (32 Mbit, bottom boot sect)\n");
break;
case FLASH_AM320T: printf ("AM29LV320T (32 Mbit, top boot sector)\n");
break;
case FLASH_SST800A: printf ("SST39LF/VF800 (8 Mbit, uniform sector size)\n");
break;
case FLASH_SST160A: printf ("SST39LF/VF160 (16 Mbit, uniform sector size)\n");
break;
default: printf ("Unknown Chip Type\n");
break;
}
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) {
/*
* Check if whole sector is erased
*/
if (i != (info->sector_count-1))
size = info->start[i+1] - info->start[i];
else
size = info->start[0] + info->size - info->start[i];
erased = 1;
flash = (volatile unsigned long *)info->start[i];
size = size >> 2; /* divide by 4 for longword access */
for (k=0; k<size; k++)
{
if (*flash++ != 0xffffffff)
{
erased = 0;
break;
}
}
if ((i % 5) == 0)
printf ("\n ");
#if 0 /* test-only */
printf (" %08lX%s",
info->start[i],
info->protect[i] ? " (RO)" : " "
#else
printf (" %08lX%s%s",
info->start[i],
erased ? " E" : " ",
info->protect[i] ? "RO " : " "
#endif
);
}
printf ("\n");
return;
}
/*-----------------------------------------------------------------------
*/
/*-----------------------------------------------------------------------
*/
/*
* The following code cannot be run from FLASH!
*/
static ulong flash_get_size (vu_long *addr, flash_info_t *info)
{
short i;
FLASH_WORD_SIZE value;
ulong base = (ulong)addr;
volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)addr;
/* Write auto select command: read Manufacturer ID */
addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
addr2[ADDR0] = (FLASH_WORD_SIZE)0x00900090;
#ifdef CONFIG_ADCIOP
value = addr2[2];
#else
value = addr2[0];
#endif
switch (value) {
case (FLASH_WORD_SIZE)AMD_MANUFACT:
info->flash_id = FLASH_MAN_AMD;
break;
case (FLASH_WORD_SIZE)FUJ_MANUFACT:
info->flash_id = FLASH_MAN_FUJ;
break;
case (FLASH_WORD_SIZE)SST_MANUFACT:
info->flash_id = FLASH_MAN_SST;
break;
default:
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
return (0); /* no or unknown flash */
}
#ifdef CONFIG_ADCIOP
value = addr2[0]; /* device ID */
/* printf("\ndev_code=%x\n", value); */
#else
value = addr2[1]; /* device ID */
#endif
switch (value) {
case (FLASH_WORD_SIZE)AMD_ID_F040B:
info->flash_id += FLASH_AM040;
info->sector_count = 8;
info->size = 0x0080000; /* => 512 ko */
break;
case (FLASH_WORD_SIZE)AMD_ID_LV400T:
info->flash_id += FLASH_AM400T;
info->sector_count = 11;
info->size = 0x00080000;
break; /* => 0.5 MB */
case (FLASH_WORD_SIZE)AMD_ID_LV400B:
info->flash_id += FLASH_AM400B;
info->sector_count = 11;
info->size = 0x00080000;
break; /* => 0.5 MB */
case (FLASH_WORD_SIZE)AMD_ID_LV800T:
info->flash_id += FLASH_AM800T;
info->sector_count = 19;
info->size = 0x00100000;
break; /* => 1 MB */
case (FLASH_WORD_SIZE)AMD_ID_LV800B:
info->flash_id += FLASH_AM800B;
info->sector_count = 19;
info->size = 0x00100000;
break; /* => 1 MB */
case (FLASH_WORD_SIZE)AMD_ID_LV160T:
info->flash_id += FLASH_AM160T;
info->sector_count = 35;
info->size = 0x00200000;
break; /* => 2 MB */
case (FLASH_WORD_SIZE)AMD_ID_LV160B:
info->flash_id += FLASH_AM160B;
info->sector_count = 35;
info->size = 0x00200000;
break; /* => 2 MB */
#if 0 /* enable when device IDs are available */
case (FLASH_WORD_SIZE)AMD_ID_LV320T:
info->flash_id += FLASH_AM320T;
info->sector_count = 67;
info->size = 0x00400000;
break; /* => 4 MB */
case (FLASH_WORD_SIZE)AMD_ID_LV320B:
info->flash_id += FLASH_AM320B;
info->sector_count = 67;
info->size = 0x00400000;
break; /* => 4 MB */
#endif
case (FLASH_WORD_SIZE)SST_ID_xF800A:
info->flash_id += FLASH_SST800A;
info->sector_count = 16;
info->size = 0x00100000;
break; /* => 1 MB */
case (FLASH_WORD_SIZE)SST_ID_xF160A:
info->flash_id += FLASH_SST160A;
info->sector_count = 32;
info->size = 0x00200000;
break; /* => 2 MB */
default:
info->flash_id = FLASH_UNKNOWN;
return (0); /* => no or unknown flash */
}
/* set up sector start address table */
if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
(info->flash_id == FLASH_AM040)){
for (i = 0; i < info->sector_count; i++)
info->start[i] = base + (i * 0x00010000);
} else {
if (info->flash_id & FLASH_BTYPE) {
/* set sector offsets for bottom boot block type */
info->start[0] = base + 0x00000000;
info->start[1] = base + 0x00004000;
info->start[2] = base + 0x00006000;
info->start[3] = base + 0x00008000;
for (i = 4; i < info->sector_count; i++) {
info->start[i] = base + (i * 0x00010000) - 0x00030000;
}
} else {
/* set sector offsets for top boot block type */
i = info->sector_count - 1;
info->start[i--] = base + info->size - 0x00004000;
info->start[i--] = base + info->size - 0x00006000;
info->start[i--] = base + info->size - 0x00008000;
for (; i >= 0; i--) {
info->start[i] = base + i * 0x00010000;
}
}
}
/* 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 */
#ifdef CONFIG_ADCIOP
addr2 = (volatile FLASH_WORD_SIZE *)(info->start[i]);
info->protect[i] = addr2[4] & 1;
#else
addr2 = (volatile FLASH_WORD_SIZE *)(info->start[i]);
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
info->protect[i] = 0;
else
info->protect[i] = addr2[2] & 1;
#endif
}
/*
* Prevent writes to uninitialized FLASH.
*/
if (info->flash_id != FLASH_UNKNOWN) {
#if 0 /* test-only */
#ifdef CONFIG_ADCIOP
addr2 = (volatile unsigned char *)info->start[0];
addr2[ADDR0] = 0xAA;
addr2[ADDR1] = 0x55;
addr2[ADDR0] = 0xF0; /* reset bank */
#else
addr2 = (FLASH_WORD_SIZE *)info->start[0];
*addr2 = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
#endif
#else /* test-only */
addr2 = (FLASH_WORD_SIZE *)info->start[0];
*addr2 = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
#endif /* test-only */
}
return (info->size);
}
int wait_for_DQ7(flash_info_t *info, int sect)
{
ulong start, now, last;
volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[sect]);
start = get_timer (0);
last = start;
while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (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 flash_erase (flash_info_t *info, int s_first, int s_last)
{
volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[0]);
volatile FLASH_WORD_SIZE *addr2;
int flag, prot, sect, l_sect;
int i;
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!\n",
prot);
} else {
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 = (FLASH_WORD_SIZE *)(info->start[sect]);
printf("Erasing sector %p\n", addr2); /* CLH */
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080;
addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
addr2[0] = (FLASH_WORD_SIZE)0x00500050; /* block erase */
for (i=0; i<50; i++)
udelay(1000); /* wait 1 ms */
} else {
addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080;
addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
addr2[0] = (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)!!
*/
wait_for_DQ7(info, sect);
}
}
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* wait at least 80us - let's wait 1 ms */
udelay (1000);
#if 0
/*
* We wait for the last triggered sector
*/
if (l_sect < 0)
goto DONE;
wait_for_DQ7(info, l_sect);
DONE:
#endif
/* reset to read mode */
addr = (FLASH_WORD_SIZE *)info->start[0];
addr[0] = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
printf (" done\n");
return 0;
}
/*-----------------------------------------------------------------------
* Copy memory to flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
{
ulong cp, wp, data;
int i, l, rc;
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;
}
/*
* 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));
}
/*-----------------------------------------------------------------------
* 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)
{
volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *) (info->start[0]);
volatile FLASH_WORD_SIZE *dest2 = (FLASH_WORD_SIZE *) dest;
volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *) & data;
ulong start;
int i;
/* Check if Flash is (sufficiently) erased */
if ((*((volatile FLASH_WORD_SIZE *) dest) &
(FLASH_WORD_SIZE) data) != (FLASH_WORD_SIZE) data) {
return (2);
}
for (i = 0; i < 4 / sizeof (FLASH_WORD_SIZE); i++) {
int flag;
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts ();
addr2[ADDR0] = (FLASH_WORD_SIZE) 0x00AA00AA;
addr2[ADDR1] = (FLASH_WORD_SIZE) 0x00550055;
addr2[ADDR0] = (FLASH_WORD_SIZE) 0x00A000A0;
dest2[i] = data2[i];
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts ();
/* data polling for D7 */
start = get_timer (0);
while ((dest2[i] & (FLASH_WORD_SIZE) 0x00800080) !=
(data2[i] & (FLASH_WORD_SIZE) 0x00800080)) {
if (get_timer (start) > CFG_FLASH_WRITE_TOUT) {
return (1);
}
}
}
return (0);
}
/*-----------------------------------------------------------------------
*/

55
board/bubinga405ep/init.S
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/*------------------------------------------------------------------------------+ */
/* */
/* This source code has been made available to you by IBM on an AS-IS */
/* basis. Anyone receiving this source is licensed under IBM */
/* copyrights to use it in any way he or she deems fit, including */
/* copying it, modifying it, compiling it, and redistributing it either */
/* with or without modifications. No license under IBM patents or */
/* patent applications is to be implied by the copyright license. */
/* */
/* Any user of this software should understand that IBM cannot provide */
/* technical support for this software and will not be responsible for */
/* any consequences resulting from the use of this software. */
/* */
/* Any person who transfers this source code or any derivative work */
/* must include the IBM copyright notice, this paragraph, and the */
/* preceding two paragraphs in the transferred software. */
/* */
/* COPYRIGHT I B M CORPORATION 1995 */
/* LICENSED MATERIAL - PROGRAM PROPERTY OF I B M */
/*------------------------------------------------------------------------------- */
/*----------------------------------------------------------------------------- */
/* Function: ext_bus_cntlr_init */
/* Description: Initializes the External Bus Controller for the external */
/* peripherals. IMPORTANT: For pass1 this code must run from */
/* cache since you can not reliably change a peripheral banks */
/* timing register (pbxap) while running code from that bank. */
/* For ex., since we are running from ROM on bank 0, we can NOT */
/* execute the code that modifies bank 0 timings from ROM, so */
/* we run it from cache. */
/* Bank 0 - Flash and SRAM */
/* Bank 1 - NVRAM/RTC */
/* Bank 2 - Keyboard/Mouse controller */
/* Bank 3 - IR controller */
/* Bank 4 - not used */
/* Bank 5 - not used */
/* Bank 6 - not used */
/* Bank 7 - FPGA registers */
/*----------------------------------------------------------------------------- */
#include <ppc4xx.h>
#include <ppc_asm.tmpl>
#include <ppc_defs.h>
#include <asm/cache.h>
#include <asm/mmu.h>
/*----------------------------------------------------------------------------- */
/* Function: sdram_init */
/* Description: Dummy implementation here - done in C later */
/*----------------------------------------------------------------------------- */
.globl sdram_init
sdram_init:
blr

144
board/bubinga405ep/u-boot.lds
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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_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 0xFFFFFFFC :
{
*(.resetvec)
} = 0xffff
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.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 :
{
/* WARNING - the following is hand-optimized to fit within */
/* the sector layout of our flash chips! XXX FIXME XXX */
cpu/ppc4xx/start.o (.text)
board/bubinga405ep/init.o (.text)
cpu/ppc4xx/kgdb.o (.text)
cpu/ppc4xx/traps.o (.text)
cpu/ppc4xx/interrupts.o (.text)
cpu/ppc4xx/serial.o (.text)
cpu/ppc4xx/cpu_init.o (.text)
cpu/ppc4xx/speed.o (.text)
cpu/ppc4xx/405gp_enet.o (.text)
common/dlmalloc.o (.text)
lib_generic/crc32.o (.text)
lib_ppc/extable.o (.text)
lib_generic/zlib.o (.text)
/* . = env_offset;*/
/* common/environment.o(.text)*/
*(.text)
*(.fixup)
*(.got1)
}
_etext = .;
PROVIDE (etext = .);
.rodata :
{
*(.rodata)
*(.rodata1)
}
.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 = .);
__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 = .);
}

147
board/bubinga405ep/u-boot.lds.debug
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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_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: */
. = + SIZEOF_HEADERS;
.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 :
{
/* WARNING - the following is hand-optimized to fit within */
/* the sector layout of our flash chips! XXX FIXME XXX */
/*
cpu/ppc4xx/start.o (.text)
common/dlmalloc.o (.text)
lib_generic/vsprintf.o (.text)
lib_generic/crc32.o (.text)
lib_ppc/extable.o (.text)
*/
cpu/ppc4xx/start.o (.text)
board/bubinga405ep/init.o (.text)
cpu/ppc4xx/kgdb.o (.text)
cpu/ppc4xx/traps.o (.text)
cpu/ppc4xx/interrupts.o (.text)
cpu/ppc4xx/serial.o (.text)
cpu/ppc4xx/cpu_init.o (.text)
cpu/ppc4xx/speed.o (.text)
cpu/ppc4xx/405gp_enet.o (.text)
common/dlmalloc.o (.text)
lib_generic/crc32.o (.text)
lib_ppc/extable.o (.text)
lib_generic/zlib.o (.text)
common/environment.o(.text)
*(.text)
*(.fixup)
*(.got1)
}
_etext = .;
PROVIDE (etext = .);
.rodata :
{
*(.rodata)
*(.rodata1)
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }
.dtors : { *(.dtors) }
/* Read-write section, merged into data segment: */
. = (. + 0x0FFF) & 0xFFFFF000;
_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 = .);
__start___ex_table = .;
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
. = ALIGN(4096);
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
. = ALIGN(4096);
__init_end = .;
__bss_start = .;
.bss :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
}
_end = . ;
PROVIDE (end = .);
}

426
include/configs/BUBINGA405EP.h
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/*
* (C) Copyright 2000, 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
*/
/*
* board/config.h - configuration options, board specific
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/* Debug options */
//#define __DEBUG_START_FROM_SRAM__
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_405EP 1 /* This is a PPC405 CPU */
#define CONFIG_4xx 1 /* ...member of PPC4xx family */
#define CONFIG_BUBINGA405EP 1 /* ...on a BUBINGA405EP board */
#define CONFIG_BOARD_PRE_INIT 1 /* Call board_pre_init */
#define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
#define CONFIG_NO_SERIAL_EEPROM
/*#undef CONFIG_NO_SERIAL_EEPROM*/
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
#ifdef CONFIG_NO_SERIAL_EEPROM
/*
!-------------------------------------------------------------------------------
! Defines for entry options.
! Note: Because the 405EP SDRAM controller does not support ECC, ECC DIMMs that
! are plugged in the board will be utilized as non-ECC DIMMs.
!-------------------------------------------------------------------------------
*/
#define AUTO_MEMORY_CONFIG
#define DIMM_READ_ADDR 0xAB
#define DIMM_WRITE_ADDR 0xAA
/*
!-------------------------------------------------------------------------------
! PLL settings for 266MHz CPU, 133MHz PLB/SDRAM, 66MHz EBC, 33MHz PCI,
! assuming a 33MHz input clock to the 405EP from the C9531.
!-------------------------------------------------------------------------------
*/
#define PLLMR0_DEFAULT PLLMR0_266_133_66
#define PLLMR1_DEFAULT PLLMR1_266_133_66
#endif
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/
/*#define CFG_ENV_IS_IN_FLASH 1*/ /* use FLASH for environment vars */
#define CFG_ENV_IS_IN_NVRAM 1 /* use NVRAM for environment vars */
#ifdef CFG_ENV_IS_IN_NVRAM
#undef CFG_ENV_IS_IN_FLASH
#else
#ifdef CFG_ENV_IS_IN_FLASH
#undef CFG_ENV_IS_IN_NVRAM
#endif
#endif
#define CONFIG_BAUDRATE 115200
#define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
#if 1
#define CONFIG_BOOTCOMMAND "" /* autoboot command */
#else
#define CONFIG_BOOTCOMMAND "bootp" /* autoboot command */
#endif
/* Size (bytes) of interrupt driven serial port buffer.
* Set to 0 to use polling instead of interrupts.
* Setting to 0 will also disable RTS/CTS handshaking.
*/
#if 0
#define CONFIG_SERIAL_SOFTWARE_FIFO 4000
#else
#undef CONFIG_SERIAL_SOFTWARE_FIFO
#endif
#if 0
#define CONFIG_BOOTARGS "root=/dev/nfs " \
"ip=192.168.2.176:192.168.2.190:192.168.2.79:255.255.255.0 " \
"nfsroot=192.168.2.190:/home/stefan/cpci405/target_ftest4"
#else
#define CONFIG_BOOTARGS "root=/dev/hda1 " \
"ip=192.168.2.176:192.168.2.190:192.168.2.79:255.255.255.0"
#endif
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
#define CONFIG_MII 1 /* MII PHY management */
#define CONFIG_PHY_ADDR 1 /* PHY address */
#define CONFIG_RTC_DS174x 1 /* use DS1743 RTC in Bubinga */
/*
#ifndef __DEBUG_START_FROM_SRAM__
#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
CFG_CMD_PCI | \
CFG_CMD_IRQ | \
CFG_CMD_KGDB | \
CFG_CMD_DHCP | \
CFG_CMD_DATE | \
CFG_CMD_BEDBUG | \
CFG_CMD_ELF )
#else
#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
CFG_CMD_PCI | \
CFG_CMD_IRQ | \
CFG_CMD_KGDB | \
CFG_CMD_DHCP | \
CFG_CMD_DATE | \
CFG_CMD_DATE | \
CFG_CMD_ELF )
#endif
*/
#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
CFG_CMD_PCI | \
CFG_CMD_IRQ | \
CFG_CMD_KGDB | \
CFG_CMD_DHCP | \
CFG_CMD_DATE | \
CFG_CMD_DATE | \
CFG_CMD_ELF )
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
#undef CONFIG_WATCHDOG /* watchdog disabled */
#define CONFIG_SPD_EEPROM 1 /* use SPD EEPROM for setup */
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#define CFG_PROMPT "=> " /* 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_MEMTEST_START 0x0400000 /* memtest works on */
#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
/*
* If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
* If CFG_405_UART_ERRATA_59, then UART divisor is 31.
* Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
* The Linux BASE_BAUD define should match this configuration.
* baseBaud = cpuClock/(uartDivisor*16)
* If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
* set Linux BASE_BAUD to 403200.
*/
#undef CFG_EXT_SERIAL_CLOCK /* external serial clock */
#undef CFG_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
#define CFG_BASE_BAUD 691200
/* The following table includes the supported baudrates */
#define CFG_BAUDRATE_TABLE \
{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
#define CFG_LOAD_ADDR 0x100000 /* default load address */
#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
#define CONFIG_HARD_I2C 1 /* 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
/*-----------------------------------------------------------------------
* PCI stuff
*-----------------------------------------------------------------------
*/
#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
#define PCI_HOST_FORCE 1 /* configure as pci host */
#define PCI_HOST_AUTO 2 /* detected via arbiter enable */
#define CONFIG_PCI /* include pci support */
#define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */
#define CONFIG_PCI_PNP /* do pci plug-and-play */
/* resource configuration */
#define CFG_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */
#define CFG_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */
#define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */
#define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
#define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
#define CFG_PCI_PTM2LA 0x00000000 /* disabled */
#define CFG_PCI_PTM2MS 0x00000000 /* disabled */
#define CFG_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
/*-----------------------------------------------------------------------
* External peripheral base address
*-----------------------------------------------------------------------
*/
#undef CONFIG_IDE_LED /* no led for ide supported */
#undef CONFIG_IDE_RESET /* no reset for ide supported */
#define CFG_KEY_REG_BASE_ADDR 0xF0100000
#define CFG_IR_REG_BASE_ADDR 0xF0200000
#define CFG_FPGA_REG_BASE_ADDR 0xF0300000
/*-----------------------------------------------------------------------
* Start addresses for the final memory configuration
* (Set up by the startup code)
* Please note that CFG_SDRAM_BASE _must_ start at 0
*/
#define CFG_SDRAM_BASE 0x00000000
#ifdef __DEBUG_START_FROM_SRAM__
#define CFG_SRAM_BASE 0xFFF80000
#define CFG_FLASH_BASE 0xFFF00000
#define CFG_MONITOR_BASE CFG_SRAM_BASE
#else
#define CFG_SRAM_BASE 0xFFF00000
#define CFG_FLASH_BASE 0xFFF80000
#define CFG_MONITOR_BASE CFG_FLASH_BASE
#endif
//#define CFG_MONITOR_LEN (200 * 1024) /* Reserve 200 kB for Monitor */
#define CFG_MONITOR_LEN (192 * 1024) /* Reserve 200 kB for Monitor */
#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
/*
* 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 */
/*-----------------------------------------------------------------------
* FLASH organization
*/
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
/* BEG ENVIRONNEMENT FLASH */
#ifdef CFG_ENV_IS_IN_FLASH
#define CFG_ENV_OFFSET 0x00050000 /* Offset of Environment Sector */
#define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
#define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
#endif
/* END ENVIRONNEMENT FLASH */
/*-----------------------------------------------------------------------
* NVRAM organization
*/
#define CFG_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */
#define CFG_NVRAM_SIZE 0x1ff8 /* NVRAM size */
#ifdef CFG_ENV_IS_IN_NVRAM
#define CFG_ENV_SIZE 0x1000 /* Size of Environment vars */
#define CFG_ENV_ADDR \
(CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE) /* Env */
#endif
/*-----------------------------------------------------------------------
* Cache Configuration
*/
#define CFG_DCACHE_SIZE 16384 /* For IBM 405EP CPU */
#define CFG_CACHELINE_SIZE 32 /* ... */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
#endif
/*
* Init Memory Controller:
*
* BR0/1 and OR0/1 (FLASH)
*/
#define FLASH_BASE0_PRELIM CFG_FLASH_BASE /* FLASH bank #0 */
#define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
/* Configuration Port location */
#define CONFIG_PORT_ADDR 0xF0000500
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area (in data cache)
*/
/* use on chip memory ( OCM ) for temperary stack until sdram is tested */
#define CFG_TEMP_STACK_OCM 1
/* On Chip Memory location */
#define CFG_OCM_DATA_ADDR 0xF8000000
#define CFG_OCM_DATA_SIZE 0x1000
#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of SDRAM */
#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */
#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
/*-----------------------------------------------------------------------
* External Bus Controller (EBC) Setup
*/
/* Memory Bank 0 (Flash/SRAM) initialization */
#define CFG_EBC_PB0AP 0x04006000
#define CFG_EBC_PB0CR 0xFFF18000 /* BAS=0xFFF,BS=1MB,BU=R/W,BW=8bit */
/* Memory Bank 1 (NVRAM/RTC) initialization */
#define CFG_EBC_PB1AP 0x04041000
#define CFG_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
/* Memory Bank 2 (not used) initialization */
#define CFG_EBC_PB2AP 0x00000000
#define CFG_EBC_PB2CR 0x00000000
/* Memory Bank 2 (not used) initialization */
#define CFG_EBC_PB3AP 0x00000000
#define CFG_EBC_PB3CR 0x00000000
/* Memory Bank 4 (FPGA regs) initialization */
#define CFG_EBC_PB4AP 0x01815000
#define CFG_EBC_PB4CR 0xF0318000 /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit */
/*-----------------------------------------------------------------------
* Definitions for Serial Presence Detect EEPROM address
* (to get SDRAM settings)
*/
#define SPD_EEPROM_ADDRESS 0x55
/*-----------------------------------------------------------------------
* Definitions for GPIO setup (PPC405EP specific)
*
* GPIO0[0] - External Bus Controller BLAST output
* GPIO0[1-9] - Instruction trace outputs
* GPIO0[10-13] - External Bus Controller CS_1 - CS_4 outputs
* GPIO0[14-16] - External Bus Controller ABUS3-ABUS5 outputs
* GPIO0[17-23] - External Interrupts IRQ0 - IRQ6 inputs
* GPIO0[24-27] - UART0 control signal inputs/outputs
* GPIO0[28-29] - UART1 data signal input/output
* GPIO0[30-31] - EMAC0 and EMAC1 reject packet inputs
*/
#define CFG_GPIO0_OSRH 0x55555555
#define CFG_GPIO0_OSRL 0x40000110
#define CFG_GPIO0_ISR1H 0x00000000
#define CFG_GPIO0_ISR1L 0x15555445
#define CFG_GPIO0_TSRH 0x00000000
#define CFG_GPIO0_TSRL 0x00000000
#define CFG_GPIO0_TCR 0xFFFF8014
/*-----------------------------------------------------------------------
* Some BUBINGA stuff...
*/
#define NVRAM_BASE 0xF0000000
#define FPGA_REG0 0xF0300000 /* FPGA Reg 0 */
#define FPGA_REG1 0xF0300001 /* FPGA Reg 1 */
#define NVRVFY1 0x4f532d4f /* used to determine if state data in */
#define NVRVFY2 0x50454e00 /* NVRAM initialized (ascii for OS-OPEN)*/
#define FPGA_REG0_F_RANGE 0x80 /* SDRAM PLL freq range */
#define FPGA_REG0_EXT_INT_DIS 0x20 /* External interface disable */
#define FPGA_REG0_LED_MASK 0x07 /* Board LEDs DS9, DS10, and DS11 */
#define FPGA_REG0_LED0 0x04 /* Turn on LED0 */
#define FPGA_REG0_LED1 0x02 /* Turn on LED1 */
#define FPGA_REG0_LED2 0x01 /* Turn on LED2 */
#define FPGA_REG1_SSPEC_DIS 0x80 /* C9531 Spread Spectrum disabled */
#define FPGA_REG1_OFFBD_PCICLK 0x40 /* Onboard PCI clock selected */
#define FPGA_REG1_CLOCK_MASK 0x30 /* Mask for C9531 output freq select */
#define FPGA_REG1_CLOCK_BIT_SHIFT 4
#define FPGA_REG1_PCI_INT_ARB 0x08 /* PCI Internal arbiter selected */
#define FPGA_REG1_PCI_FREQ 0x04 /* PCI Frequency select */
#define FPGA_REG1_OFFB_FLASH 0x02 /* Off board flash */
#define FPGA_REG1_SRAM_BOOT 0x01 /* SRAM at 0xFFF80000 not Flash */
/*
* 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
#endif /* __CONFIG_H */
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