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Patches by David Snowdon, 07 Sep 2004:

Browse source 
- add u-boot.hex target in the top level Makefile
- add support for the UNSW/NICTA PLEB 2 board (pleb2)
- use -mtune=xscale and -march=armv5 options for PXA
This commit is contained in:
wdenk 2005-01-09 21:28:15 +00:00
parent a562e1bd9d
commit 6310eb9da7
11 changed files with 1755 additions and 8 deletions
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5
CHANGELOG
View file

@ -2,6 +2,11 @@
Changes for U-Boot 1.1.3:
======================================================================
* Patches by David Snowdon, 07 Sep 2004:
- add u-boot.hex target in the top level Makefile
- add support for the UNSW/NICTA PLEB 2 board (pleb2)
- use -mtune=xscale and -march=armv5 options for PXA
* Patch by Florian Schlote, 08 Sep 2004:
Add support for SenTec-COBRA5272-board (Coldfire).

5
Makefile
View file

@ -139,6 +139,9 @@ ALL = u-boot.srec u-boot.bin System.map
all: $(ALL)
u-boot.hex: u-boot
$(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
u-boot.srec: u-boot
$(OBJCOPY) ${OBJCFLAGS} -O srec $< $@
@ -1584,7 +1587,7 @@ clobber: clean
| xargs -0 rm -f
rm -f $(OBJS) *.bak tags TAGS
rm -fr *.*~
rm -f u-boot u-boot.map $(ALL)
rm -f u-boot u-boot.map u-boot.hex $(ALL)
rm -f tools/crc32.c tools/environment.c tools/env/crc32.c
rm -f tools/inca-swap-bytes cpu/mpc824x/bedbug_603e.c
rm -f include/asm/proc include/asm/arch include/asm

48
board/pleb2/Makefile Normal file
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@ -0,0 +1,48 @@
#
# (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 := pleb2.o flash.o
SOBJS := memsetup.o
$(LIB): $(OBJS) $(SOBJS)
$(AR) crv $@ $(OBJS) $(SOBJS)
clean:
rm -f $(SOBJS) $(OBJS)
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
#########################################################################

3
board/pleb2/config.mk Normal file
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@ -0,0 +1,3 @@
TEXT_BASE = 0xa1F80000
#TEXT_BASE = 0xa3080000
#TEXT_BASE = 0

814
board/pleb2/flash.c Normal file
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@ -0,0 +1,814 @@
/*
* (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 <common.h>
#include <mpc8xx.h>
/* environment.h defines the various CFG_ENV_... values in terms
* of whichever ones are given in the configuration file.
*/
#include <environment.h>
flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
/* NOTE - CONFIG_FLASH_16BIT means the CPU interface is 16-bit, it
* has nothing to do with the flash chip being 8-bit or 16-bit.
*/
#ifdef CONFIG_FLASH_16BIT
typedef unsigned short FLASH_PORT_WIDTH;
typedef volatile unsigned short FLASH_PORT_WIDTHV;
#define FLASH_ID_MASK 0xFFFF
#else
typedef unsigned long FLASH_PORT_WIDTH;
typedef volatile unsigned long FLASH_PORT_WIDTHV;
#define FLASH_ID_MASK 0xFFFFFFFF
#endif
#define FPW FLASH_PORT_WIDTH
#define FPWV FLASH_PORT_WIDTHV
#define ORMASK(size) ((-size) & OR_AM_MSK)
/*-----------------------------------------------------------------------
* Functions
*/
static ulong flash_get_size (FPWV * addr, flash_info_t * info);
static void flash_reset (flash_info_t * info);
static int write_word_intel (flash_info_t * info, FPWV * dest, FPW data);
static int write_word_amd (flash_info_t * info, FPWV * dest, FPW data);
static void flash_get_offsets (ulong base, flash_info_t * info);
#ifdef CFG_FLASH_PROTECTION
static void flash_sync_real_protect (flash_info_t * info);
#endif
/*-----------------------------------------------------------------------
* flash_init()
*
* sets up flash_info and returns size of FLASH (bytes)
*/
unsigned long flash_init (void)
{
unsigned long size_b;
int i;
/* Init: no FLASHes known */
for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
flash_info[i].flash_id = FLASH_UNKNOWN;
}
size_b = flash_get_size ((FPW *) CFG_FLASH_BASE, &flash_info[0]);
flash_info[0].size = size_b;
if (flash_info[0].flash_id == FLASH_UNKNOWN) {
printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx\n",
size_b);
}
/* Do this again (was done already in flast_get_size), just
* in case we move it when remap the FLASH.
*/
flash_get_offsets (CFG_FLASH_BASE, &flash_info[0]);
#ifdef CFG_FLASH_PROTECTION
/* read the hardware protection status (if any) into the
* protection array in flash_info.
*/
flash_sync_real_protect (&flash_info[0]);
#endif
#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_ADDR
flash_protect (FLAG_PROTECT_SET,
CFG_ENV_ADDR,
CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0]);
#endif
#ifdef CFG_ENV_ADDR_REDUND
flash_protect (FLAG_PROTECT_SET,
CFG_ENV_ADDR_REDUND,
CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
&flash_info[0]);
#endif
return (size_b);
}
/*-----------------------------------------------------------------------
*/
static void flash_reset (flash_info_t * info)
{
FPWV *base = (FPWV *) (info->start[0]);
/* Put FLASH back in read mode */
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL)
*base = (FPW) 0x00FF00FF; /* Intel Read Mode */
else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD)
*base = (FPW) 0x00F000F0; /* AMD Read Mode */
}
/*-----------------------------------------------------------------------
*/
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_INTEL
&& (info->flash_id & FLASH_BTYPE)) {
int bootsect_size; /* number of bytes/boot sector */
int sect_size; /* number of bytes/regular sector */
bootsect_size = 0x00002000 * (sizeof (FPW) / 2);
sect_size = 0x00010000 * (sizeof (FPW) / 2);
/* set sector offsets for bottom boot block type */
for (i = 0; i < 8; ++i) {
info->start[i] = base + (i * bootsect_size);
}
for (i = 8; i < info->sector_count; i++) {
info->start[i] = base + ((i - 7) * sect_size);
}
} else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD
&& (info->flash_id & FLASH_TYPEMASK) == FLASH_AM640U) {
int sect_size; /* number of bytes/sector */
sect_size = 0x00010000 * (sizeof (FPW) / 2);
/* set up sector start address table (uniform sector type) */
for (i = 0; i < info->sector_count; i++)
info->start[i] = base + (i * sect_size);
} else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD
&& (info->flash_id & FLASH_TYPEMASK) == FLASH_AM800T) {
int sect_size; /* number of bytes/sector */
sect_size = 0x00010000 * (sizeof (FPW) / 2);
/* set up sector start address table (top boot sector type) */
for (i = 0; i < info->sector_count - 3; i++)
info->start[i] = base + (i * sect_size);
i = info->sector_count - 1;
info->start[i--] =
base + (info->size - 0x00004000) * (sizeof (FPW) / 2);
info->start[i--] =
base + (info->size - 0x00006000) * (sizeof (FPW) / 2);
info->start[i--] =
base + (info->size - 0x00008000) * (sizeof (FPW) / 2);
}
}
/*-----------------------------------------------------------------------
*/
void flash_print_info (flash_info_t * info)
{
int i;
uchar *boottype;
uchar *bootletter;
uchar *fmt;
uchar botbootletter[] = "B";
uchar topbootletter[] = "T";
uchar botboottype[] = "bottom boot sector";
uchar topboottype[] = "top boot sector";
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_BM:
printf ("BRIGHT MICRO ");
break;
case FLASH_MAN_FUJ:
printf ("FUJITSU ");
break;
case FLASH_MAN_SST:
printf ("SST ");
break;
case FLASH_MAN_STM:
printf ("STM ");
break;
case FLASH_MAN_INTEL:
printf ("INTEL ");
break;
default:
printf ("Unknown Vendor ");
break;
}
/* check for top or bottom boot, if it applies */
if (info->flash_id & FLASH_BTYPE) {
boottype = botboottype;
bootletter = botbootletter;
} else {
boottype = topboottype;
bootletter = topbootletter;
}
switch (info->flash_id & FLASH_TYPEMASK) {
case FLASH_AM800T:
fmt = "29LV800B%s (8 Mbit, %s)\n";
break;
case FLASH_AM640U:
fmt = "29LV641D (64 Mbit, uniform sectors)\n";
break;
case FLASH_28F800C3B:
case FLASH_28F800C3T:
fmt = "28F800C3%s (8 Mbit, %s)\n";
break;
case FLASH_INTEL800B:
case FLASH_INTEL800T:
fmt = "28F800B3%s (8 Mbit, %s)\n";
break;
case FLASH_28F160C3B:
case FLASH_28F160C3T:
fmt = "28F160C3%s (16 Mbit, %s)\n";
break;
case FLASH_INTEL160B:
case FLASH_INTEL160T:
fmt = "28F160B3%s (16 Mbit, %s)\n";
break;
case FLASH_28F320C3B:
case FLASH_28F320C3T:
fmt = "28F320C3%s (32 Mbit, %s)\n";
break;
case FLASH_INTEL320B:
case FLASH_INTEL320T:
fmt = "28F320B3%s (32 Mbit, %s)\n";
break;
case FLASH_28F640C3B:
case FLASH_28F640C3T:
fmt = "28F640C3%s (64 Mbit, %s)\n";
break;
case FLASH_INTEL640B:
case FLASH_INTEL640T:
fmt = "28F640B3%s (64 Mbit, %s)\n";
break;
default:
fmt = "Unknown Chip Type\n";
break;
}
printf (fmt, bootletter, boottype);
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");
}
/*-----------------------------------------------------------------------
*/
/*
* The following code cannot be run from FLASH!
*/
ulong flash_get_size (FPWV * addr, flash_info_t * info)
{
/* Write auto select command: read Manufacturer ID */
/* Write auto select command sequence and test FLASH answer */
addr[0x0555] = (FPW) 0x00AA00AA; /* for AMD, Intel ignores this */
addr[0x02AA] = (FPW) 0x00550055; /* for AMD, Intel ignores this */
addr[0x0555] = (FPW) 0x00900090; /* selects Intel or AMD */
/* The manufacturer codes are only 1 byte, so just use 1 byte.
* This works for any bus width and any FLASH device width.
*/
switch (addr[0] & 0xff) {
case (uchar) AMD_MANUFACT:
info->flash_id = FLASH_MAN_AMD;
break;
case (uchar) INTEL_MANUFACT:
info->flash_id = FLASH_MAN_INTEL;
break;
default:
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
break;
}
/* Check 16 bits or 32 bits of ID so work on 32 or 16 bit bus. */
if (info->flash_id != FLASH_UNKNOWN)
switch (addr[1]) {
case (FPW) AMD_ID_LV800T:
info->flash_id += FLASH_AM800T;
info->sector_count = 19;
info->size = 0x00100000 * (sizeof (FPW) / 2);
break; /* => 1 or 2 MiB */
case (FPW) AMD_ID_LV640U: /* 29LV640 and 29LV641 have same ID */
info->flash_id += FLASH_AM640U;
info->sector_count = 128;
info->size = 0x00800000 * (sizeof (FPW) / 2);
break; /* => 8 or 16 MB */
case (FPW) INTEL_ID_28F800C3B:
info->flash_id += FLASH_28F800C3B;
info->sector_count = 23;
info->size = 0x00100000 * (sizeof (FPW) / 2);
break; /* => 1 or 2 MB */
case (FPW) INTEL_ID_28F800B3B:
info->flash_id += FLASH_INTEL800B;
info->sector_count = 23;
info->size = 0x00100000 * (sizeof (FPW) / 2);
break; /* => 1 or 2 MB */
case (FPW) INTEL_ID_28F160C3B:
info->flash_id += FLASH_28F160C3B;
info->sector_count = 39;
info->size = 0x00200000 * (sizeof (FPW) / 2);
break; /* => 2 or 4 MB */
case (FPW) INTEL_ID_28F160B3B:
info->flash_id += FLASH_INTEL160B;
info->sector_count = 39;
info->size = 0x00200000 * (sizeof (FPW) / 2);
break; /* => 2 or 4 MB */
case (FPW) INTEL_ID_28F320C3B:
info->flash_id += FLASH_28F320C3B;
info->sector_count = 71;
info->size = 0x00400000 * (sizeof (FPW) / 2);
break; /* => 4 or 8 MB */
case (FPW) INTEL_ID_28F320B3B:
info->flash_id += FLASH_INTEL320B;
info->sector_count = 71;
info->size = 0x00400000 * (sizeof (FPW) / 2);
break; /* => 4 or 8 MB */
case (FPW) INTEL_ID_28F640C3B:
info->flash_id += FLASH_28F640C3B;
info->sector_count = 135;
info->size = 0x00800000 * (sizeof (FPW) / 2);
break; /* => 8 or 16 MB */
case (FPW) INTEL_ID_28F640B3B:
info->flash_id += FLASH_INTEL640B;
info->sector_count = 135;
info->size = 0x00800000 * (sizeof (FPW) / 2);
break; /* => 8 or 16 MB */
default:
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
return (0); /* => no or unknown flash */
}
flash_get_offsets ((ulong) addr, info);
/* Put FLASH back in read mode */
flash_reset (info);
return (info->size);
}
#ifdef CFG_FLASH_PROTECTION
/*-----------------------------------------------------------------------
*/
static void flash_sync_real_protect (flash_info_t * info)
{
FPWV *addr = (FPWV *) (info->start[0]);
FPWV *sect;
int i;
switch (info->flash_id & FLASH_TYPEMASK) {
case FLASH_28F800C3B:
case FLASH_28F800C3T:
case FLASH_28F160C3B:
case FLASH_28F160C3T:
case FLASH_28F320C3B:
case FLASH_28F320C3T:
case FLASH_28F640C3B:
case FLASH_28F640C3T:
/* check for protected sectors */
*addr = (FPW) 0x00900090;
for (i = 0; i < info->sector_count; i++) {
/* read sector protection at sector address, (A7 .. A0) = 0x02.
* D0 = 1 for each device if protected.
* If at least one device is protected the sector is marked
* protected, but mixed protected and unprotected devices
* within a sector should never happen.
*/
sect = (FPWV *) (info->start[i]);
info->protect[i] =
(sect[2] & (FPW) (0x00010001)) ? 1 : 0;
}
/* Put FLASH back in read mode */
flash_reset (info);
break;
case FLASH_AM640U:
case FLASH_AM800T:
default:
/* no hardware protect that we support */
break;
}
}
#endif
/*-----------------------------------------------------------------------
*/
int flash_erase (flash_info_t * info, int s_first, int s_last)
{
FPWV *addr;
int flag, prot, sect;
int intel = (info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL;
ulong now, last;
int rcode = 0;
if ((s_first < 0) || (s_first > s_last)) {
if (info->flash_id == FLASH_UNKNOWN) {
printf ("- missing\n");
} else {
printf ("- no sectors to erase\n");
}
return 1;
}
switch (info->flash_id & FLASH_TYPEMASK) {
case FLASH_INTEL800B:
case FLASH_INTEL160B:
case FLASH_INTEL320B:
case FLASH_INTEL640B:
case FLASH_28F800C3B:
case FLASH_28F160C3B:
case FLASH_28F320C3B:
case FLASH_28F640C3B:
case FLASH_AM640U:
case FLASH_AM800T:
break;
case FLASH_UNKNOWN:
default:
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");
}
reset_timer_masked ();
/* Start erase on unprotected sectors */
for (sect = s_first; sect <= s_last && rcode == 0; sect++) {
if (info->protect[sect] != 0) /* protected, skip it */
continue;
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts ();
reset_timer_masked ();
last = 0;
addr = (FPWV *) (info->start[sect]);
if (intel) {
*addr = (FPW) 0x00500050; /* clear status register */
*addr = (FPW) 0x00200020; /* erase setup */
*addr = (FPW) 0x00D000D0; /* erase confirm */
} else {
/* must be AMD style if not Intel */
FPWV *base; /* first address in bank */
base = (FPWV *) (info->start[0]);
base[0x0555] = (FPW) 0x00AA00AA; /* unlock */
base[0x02AA] = (FPW) 0x00550055; /* unlock */
base[0x0555] = (FPW) 0x00800080; /* erase mode */
base[0x0555] = (FPW) 0x00AA00AA; /* unlock */
base[0x02AA] = (FPW) 0x00550055; /* unlock */
*addr = (FPW) 0x00300030; /* erase sector */
}
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts ();
/* wait at least 50us for AMD, 80us for Intel.
* Let's wait 1 ms.
*/
udelay (1000);
while ((*addr & (FPW) 0x00800080) != (FPW) 0x00800080) {
if ((now =
get_timer_masked ()) > CFG_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
if (intel) {
/* suspend erase */
*addr = (FPW) 0x00B000B0;
}
flash_reset (info); /* reset to read mode */
rcode = 1; /* failed */
break;
}
/* show that we're waiting */
if ((now - last) > 1 * CFG_HZ) { /* every second */
putc ('.');
last = now;
}
}
flash_reset (info); /* reset to read mode */
}
printf (" done\n");
return rcode;
}
/*-----------------------------------------------------------------------
* 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)
{
FPW data = 0; /* 16 or 32 bit word, matches flash bus width on MPC8XX */
int bytes; /* number of bytes to program in current word */
int left; /* number of bytes left to program */
int i, res;
for (left = cnt, res = 0;
left > 0 && res == 0;
addr += sizeof (data), left -= sizeof (data) - bytes) {
bytes = addr & (sizeof (data) - 1);
addr &= ~(sizeof (data) - 1);
/* combine source and destination data so can program
* an entire word of 16 or 32 bits
*/
#ifdef CFG_LITTLE_ENDIAN
for (i = 0; i < sizeof (data); i++) {
data >>= 8;
if (i < bytes || i - bytes >= left)
data += (*((uchar *) addr + i)) << 24;
else
data += (*src++) << 24;
}
#else
for (i = 0; i < sizeof (data); i++) {
data <<= 8;
if (i < bytes || i - bytes >= left)
data += *((uchar *) addr + i);
else
data += *src++;
}
#endif
/* write one word to the flash */
switch (info->flash_id & FLASH_VENDMASK) {
case FLASH_MAN_AMD:
res = write_word_amd (info, (FPWV *) addr, data);
break;
case FLASH_MAN_INTEL:
res = write_word_intel (info, (FPWV *) addr, data);
break;
default:
/* unknown flash type, error! */
printf ("missing or unknown FLASH type\n");
res = 1; /* not really a timeout, but gives error */
break;
}
}
return (res);
}
/*-----------------------------------------------------------------------
* Write a word to Flash for AMD FLASH
* A word is 16 or 32 bits, whichever the bus width of the flash bank
* (not an individual chip) is.
*
* returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
static int write_word_amd (flash_info_t * info, FPWV * dest, FPW data)
{
int flag;
int res = 0; /* result, assume success */
FPWV *base; /* first address in flash bank */
/* Check if Flash is (sufficiently) erased */
if ((*dest & data) != data) {
return (2);
}
base = (FPWV *) (info->start[0]);
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts ();
base[0x0555] = (FPW) 0x00AA00AA; /* unlock */
base[0x02AA] = (FPW) 0x00550055; /* unlock */
base[0x0555] = (FPW) 0x00A000A0; /* selects program mode */
*dest = data; /* start programming the data */
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts ();
reset_timer_masked ();
/* data polling for D7 */
while (res == 0
&& (*dest & (FPW) 0x00800080) != (data & (FPW) 0x00800080)) {
if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
*dest = (FPW) 0x00F000F0; /* reset bank */
res = 1;
}
}
return (res);
}
/*-----------------------------------------------------------------------
* Write a word to Flash for Intel FLASH
* A word is 16 or 32 bits, whichever the bus width of the flash bank
* (not an individual chip) is.
*
* returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
static int write_word_intel (flash_info_t * info, FPWV * dest, FPW data)
{
int flag;
int res = 0; /* result, assume success */
/* Check if Flash is (sufficiently) erased */
if ((*dest & data) != data) {
return (2);
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts ();
*dest = (FPW) 0x00500050; /* clear status register */
*dest = (FPW) 0x00FF00FF; /* make sure in read mode */
*dest = (FPW) 0x00400040; /* program setup */
*dest = data; /* start programming the data */
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts ();
reset_timer_masked ();
while (res == 0 && (*dest & (FPW) 0x00800080) != (FPW) 0x00800080) {
if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
*dest = (FPW) 0x00B000B0; /* Suspend program */
res = 1;
}
}
if (res == 0 && (*dest & (FPW) 0x00100010))
res = 1; /* write failed, time out error is close enough */
*dest = (FPW) 0x00500050; /* clear status register */
*dest = (FPW) 0x00FF00FF; /* make sure in read mode */
return (res);
}
#ifdef CFG_FLASH_PROTECTION
/*-----------------------------------------------------------------------
*/
int flash_real_protect (flash_info_t * info, long sector, int prot)
{
int rcode = 0; /* assume success */
FPWV *addr; /* address of sector */
FPW value;
addr = (FPWV *) (info->start[sector]);
switch (info->flash_id & FLASH_TYPEMASK) {
case FLASH_28F800C3B:
case FLASH_28F800C3T:
case FLASH_28F160C3B:
case FLASH_28F160C3T:
case FLASH_28F320C3B:
case FLASH_28F320C3T:
case FLASH_28F640C3B:
case FLASH_28F640C3T:
flash_reset (info); /* make sure in read mode */
*addr = (FPW) 0x00600060L; /* lock command setup */
if (prot)
*addr = (FPW) 0x00010001L; /* lock sector */
else
*addr = (FPW) 0x00D000D0L; /* unlock sector */
flash_reset (info); /* reset to read mode */
/* now see if it really is locked/unlocked as requested */
*addr = (FPW) 0x00900090;
/* read sector protection at sector address, (A7 .. A0) = 0x02.
* D0 = 1 for each device if protected.
* If at least one device is protected the sector is marked
* protected, but return failure. Mixed protected and
* unprotected devices within a sector should never happen.
*/
value = addr[2] & (FPW) 0x00010001;
if (value == 0)
info->protect[sector] = 0;
else if (value == (FPW) 0x00010001)
info->protect[sector] = 1;
else {
/* error, mixed protected and unprotected */
rcode = 1;
info->protect[sector] = 1;
}
if (info->protect[sector] != prot)
rcode = 1; /* failed to protect/unprotect as requested */
/* reload all protection bits from hardware for now */
flash_sync_real_protect (info);
break;
case FLASH_AM640U:
case FLASH_AM800T:
default:
/* no hardware protect that we support */
info->protect[sector] = prot;
break;
}
return rcode;
}
#endif

488
board/pleb2/memsetup.S Normal file
View file

@ -0,0 +1,488 @@
/*
* Most of this taken from Redboot hal_platform_setup.h with cleanup
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <config.h>
#include <version.h>
#include <asm/arch/pxa-regs.h>
DRAM_SIZE: .long CFG_DRAM_SIZE
/* wait for coprocessor write complete */
.macro CPWAIT reg
mrc p15,0,\reg,c2,c0,0
mov \reg,\reg
sub pc,pc,#4
.endm
.globl memsetup
memsetup:
mov r10, lr
/* Set up GPIO pins first */
ldr r0, =GPSR0
ldr r1, =CFG_GPSR0_VAL
str r1, [r0]
ldr r0, =GPSR1
ldr r1, =CFG_GPSR1_VAL
str r1, [r0]
ldr r0, =GPSR2
ldr r1, =CFG_GPSR2_VAL
str r1, [r0]
ldr r0, =GPCR0
ldr r1, =CFG_GPCR0_VAL
str r1, [r0]
ldr r0, =GPCR1
ldr r1, =CFG_GPCR1_VAL
str r1, [r0]
ldr r0, =GPCR2
ldr r1, =CFG_GPCR2_VAL
str r1, [r0]
ldr r0, =GRER0
ldr r1, =CFG_GRER0_VAL
str r1, [r0]
ldr r0, =GRER1
ldr r1, =CFG_GRER1_VAL
str r1, [r0]
ldr r0, =GRER2
ldr r1, =CFG_GRER2_VAL
str r1, [r0]
ldr r0, =GFER0
ldr r1, =CFG_GFER0_VAL
str r1, [r0]
ldr r0, =GFER1
ldr r1, =CFG_GFER1_VAL
str r1, [r0]
ldr r0, =GFER2
ldr r1, =CFG_GFER2_VAL
str r1, [r0]
ldr r0, =GPDR0
ldr r1, =CFG_GPDR0_VAL
str r1, [r0]
ldr r0, =GPDR1
ldr r1, =CFG_GPDR1_VAL
str r1, [r0]
ldr r0, =GPDR2
ldr r1, =CFG_GPDR2_VAL
str r1, [r0]
ldr r0, =GAFR0_L
ldr r1, =CFG_GAFR0_L_VAL
str r1, [r0]
ldr r0, =GAFR0_U
ldr r1, =CFG_GAFR0_U_VAL
str r1, [r0]
ldr r0, =GAFR1_L
ldr r1, =CFG_GAFR1_L_VAL
str r1, [r0]
ldr r0, =GAFR1_U
ldr r1, =CFG_GAFR1_U_VAL
str r1, [r0]
ldr r0, =GAFR2_L
ldr r1, =CFG_GAFR2_L_VAL
str r1, [r0]
ldr r0, =GAFR2_U
ldr r1, =CFG_GAFR2_U_VAL
str r1, [r0]
/* enable GPIO pins */
ldr r0, =PSSR
ldr r1, =CFG_PSSR_VAL
str r1, [r0]
/*********************************************************************
Initlialize Memory Controller
See PXA250 Operating System Developer's Guide
pause for 200 uSecs- allow internal clocks to settle
*Note: only need this if hard reset... doing it anyway for now
*/
@ Step 1
@ ---- Wait 200 usec
ldr r3, =OSCR @ reset the OS Timer Count to zero
mov r2, #0
str r2, [r3]
ldr r4, =0x300 @ really 0x2E1 is about 200usec, so 0x300 should be plenty
1:
ldr r2, [r3]
cmp r4, r2
bgt 1b
mem_init:
@ get memory controller base address
ldr r1, =MEMC_BASE
@****************************************************************************
@ Step 2
@
@ Step 2a
@ write msc0, read back to ensure data latches
@
ldr r2, =CFG_MSC0_VAL
str r2, [r1, #MSC0_OFFSET]
ldr r2, [r1, #MSC0_OFFSET]
@ write msc1
ldr r2, =CFG_MSC1_VAL
str r2, [r1, #MSC1_OFFSET]
ldr r2, [r1, #MSC1_OFFSET]
@ write msc2
ldr r2, =CFG_MSC2_VAL
str r2, [r1, #MSC2_OFFSET]
ldr r2, [r1, #MSC2_OFFSET]
@ Step 2b
@ write mecr
ldr r2, =CFG_MECR_VAL
str r2, [r1, #MECR_OFFSET]
@ write mcmem0
ldr r2, =CFG_MCMEM0_VAL
str r2, [r1, #MCMEM0_OFFSET]
@ write mcmem1
ldr r2, =CFG_MCMEM1_VAL
str r2, [r1, #MCMEM1_OFFSET]
@ write mcatt0
ldr r2, =CFG_MCATT0_VAL
str r2, [r1, #MCATT0_OFFSET]
@ write mcatt1
ldr r2, =CFG_MCATT1_VAL
str r2, [r1, #MCATT1_OFFSET]
@ write mcio0
ldr r2, =CFG_MCIO0_VAL
str r2, [r1, #MCIO0_OFFSET]
@ write mcio1
ldr r2, =CFG_MCIO1_VAL
str r2, [r1, #MCIO1_OFFSET]
@ Step 2c
@ fly-by-dma is defeatured on this part
@ write flycnfg
@ldr r2, =CFG_FLYCNFG_VAL
@str r2, [r1, #FLYCNFG_OFFSET]
/* FIXME Does this sequence really make sense */
#ifdef REDBOOT_WAY
@ Step 2d
@ get the mdrefr settings
ldr r3, =CFG_MDREFR_VAL
@ extract DRI field (we need a valid DRI field)
@
ldr r2, =0xFFF
@ valid DRI field in r3
@
and r3, r3, r2
@ get the reset state of MDREFR
@
ldr r4, [r1, #MDREFR_OFFSET]
@ clear the DRI field
@
bic r4, r4, r2
@ insert the valid DRI field loaded above
@
orr r4, r4, r3
@ write back mdrefr
@
str r4, [r1, #MDREFR_OFFSET]
@ *Note: preserve the mdrefr value in r4 *
@****************************************************************************
@ Step 3
@
@ NO SRAM
mov pc, r10
@****************************************************************************
@ Step 4
@
@ Assumes previous mdrefr value in r4, if not then read current mdrefr
@ clear the free-running clock bits
@ (clear K0Free, K1Free, K2Free
@
bic r4, r4, #(0x00800000 | 0x01000000 | 0x02000000)
@ set K0RUN for CPLD clock
@
orr r4, r4, #0x00002000
@ set K1RUN if bank 0 installed
@
orr r4, r4, #0x00010000
@ write back mdrefr
@
str r4, [r1, #MDREFR_OFFSET]
ldr r4, [r1, #MDREFR_OFFSET]
@ deassert SLFRSH
@
bic r4, r4, #0x00400000
@ write back mdrefr
@
str r4, [r1, #MDREFR_OFFSET]
@ assert E1PIN
@
orr r4, r4, #0x00008000
@ write back mdrefr
@
str r4, [r1, #MDREFR_OFFSET]
ldr r4, [r1, #MDREFR_OFFSET]
nop
nop
#else
@ Step 2d
@ get the mdrefr settings
ldr r3, =CFG_MDREFR_VAL
@ write back mdrefr
@
str r4, [r1, #MDREFR_OFFSET]
@ Step 4
@ set K0RUN for CPLD clock
@
orr r4, r4, #0x00002000
@ set K1RUN for bank 0
@
orr r4, r4, #0x00010000
@ write back mdrefr
@
str r4, [r1, #MDREFR_OFFSET]
ldr r4, [r1, #MDREFR_OFFSET]
@ deassert SLFRSH
@
bic r4, r4, #0x00400000
@ write back mdrefr
@
str r4, [r1, #MDREFR_OFFSET]
@ assert E1PIN
@
orr r4, r4, #0x00008000
@ write back mdrefr
@
str r4, [r1, #MDREFR_OFFSET]
ldr r4, [r1, #MDREFR_OFFSET]
nop
nop
#endif
@ Step 4d
@ fetch platform value of mdcnfg
@
ldr r2, =CFG_MDCNFG_VAL
@ disable all sdram banks
@
bic r2, r2, #(MDCNFG_DE0 | MDCNFG_DE1)
bic r2, r2, #(MDCNFG_DE2 | MDCNFG_DE3)
@ program banks 0/1 for bus width
@
bic r2, r2, #MDCNFG_DWID0 @0=32-bit
@ write initial value of mdcnfg, w/o enabling sdram banks
@
str r2, [r1, #MDCNFG_OFFSET]
@ Step 4e
@ pause for 200 uSecs
@
ldr r3, =OSCR @ reset the OS Timer Count to zero
mov r2, #0
str r2, [r3]
ldr r4, =0x300 @ really 0x2E1 is about 200usec, so 0x300 should be plenty
1:
ldr r2, [r3]
cmp r4, r2
bgt 1b
/* Why is this here??? */
mov r0, #0x78 @turn everything off
mcr p15, 0, r0, c1, c0, 0 @(caches off, MMU off, etc.)
@ Step 4f
@ Access memory *not yet enabled* for CBR refresh cycles (8)
@ - CBR is generated for all banks
ldr r2, =CFG_DRAM_BASE
str r2, [r2]
str r2, [r2]
str r2, [r2]
str r2, [r2]
str r2, [r2]
str r2, [r2]
str r2, [r2]
str r2, [r2]
@ Step 4g
@get memory controller base address
@
ldr r1, =MEMC_BASE
@fetch current mdcnfg value
@
ldr r3, [r1, #MDCNFG_OFFSET]
@enable sdram bank 0 if installed (must do for any populated bank)
@
orr r3, r3, #MDCNFG_DE0
@write back mdcnfg, enabling the sdram bank(s)
@
str r3, [r1, #MDCNFG_OFFSET]
@ Step 4h
@ write mdmrs
@
ldr r2, =CFG_MDMRS_VAL
str r2, [r1, #MDMRS_OFFSET]
@ Done Memory Init
/*SET_LED 6 */
@********************************************************************
@ Disable (mask) all interrupts at the interrupt controller
@
@ clear the interrupt level register (use IRQ, not FIQ)
@
mov r1, #0
ldr r2, =ICLR
str r1, [r2]
@ Set interrupt mask register
@
ldr r1, =CFG_ICMR_VAL
ldr r2, =ICMR
str r1, [r2]
@ ********************************************************************
@ Disable the peripheral clocks, and set the core clock
@
@ Turn Off ALL on-chip peripheral clocks for re-configuration
@
ldr r1, =CKEN
mov r2, #0
str r2, [r1]
@ set core clocks
@
ldr r2, =CFG_CCCR_VAL
ldr r1, =CCCR
str r2, [r1]
#ifdef ENABLE32KHZ
@ enable the 32Khz oscillator for RTC and PowerManager
@
ldr r1, =OSCC
mov r2, #OSCC_OON
str r2, [r1]
@ NOTE: spin here until OSCC.OOK get set,
@ meaning the PLL has settled.
@
60:
ldr r2, [r1]
ands r2, r2, #1
beq 60b
#endif
@ Turn on needed clocks
@
ldr r1, =CKEN
ldr r2, =CFG_CKEN_VAL
str r2, [r1]
/*SET_LED 7 */
/* Is this needed???? */
#define NODEBUG
#ifdef NODEBUG
/*Disable software and data breakpoints */
mov r0,#0
mcr p15,0,r0,c14,c8,0 /* ibcr0 */
mcr p15,0,r0,c14,c9,0 /* ibcr1 */
mcr p15,0,r0,c14,c4,0 /* dbcon */
/*Enable all debug functionality */
mov r0,#0x80000000
mcr p14,0,r0,c10,c0,0 /* dcsr */
#endif
mov pc, r10
@ End memsetup

76
board/pleb2/pleb2.c Normal file
View file

@ -0,0 +1,76 @@
/*
* (C) Copyright 2002
* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.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 <common.h>
#include <asm-arm/mach-types.h>
/* ------------------------------------------------------------------------- */
/*
* Miscelaneous platform dependent initialisations
*/
int board_init (void)
{
DECLARE_GLOBAL_DATA_PTR;
/* memory and cpu-speed are setup before relocation */
/* so we do _nothing_ here */
/* arch number of Lubbock-Board */
gd->bd->bi_arch_number = MACH_TYPE_PLEB2;
/* adress of boot parameters */
gd->bd->bi_boot_params = 0xa0000100;
return 0;
}
int board_late_init(void)
{
setenv("stdout", "serial");
setenv("stderr", "serial");
return 0;
}
int dram_init (void)
{
DECLARE_GLOBAL_DATA_PTR;
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
gd->bd->bi_dram[2].start = PHYS_SDRAM_3;
gd->bd->bi_dram[2].size = PHYS_SDRAM_3_SIZE;
gd->bd->bi_dram[3].start = PHYS_SDRAM_4;
gd->bd->bi_dram[3].size = PHYS_SDRAM_4_SIZE;
return 0;
}

55
board/pleb2/u-boot.lds Normal file
View file

@ -0,0 +1,55 @@
/*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(_start)
SECTIONS
{
. = 0x00000000;
. = ALIGN(4);
.text :
{
cpu/pxa/start.o (.text)
*(.text)
}
. = ALIGN(4);
.rodata : { *(.rodata) }
. = ALIGN(4);
.data : { *(.data) }
. = ALIGN(4);
.got : { *(.got) }
__u_boot_cmd_start = .;
.u_boot_cmd : { *(.u_boot_cmd) }
__u_boot_cmd_end = .;
. = ALIGN(4);
__bss_start = .;
.bss : { *(.bss) }
_end = .;
}

3
cpu/pxa/config.mk
View file

@ -25,4 +25,5 @@
PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -ffixed-r8 \
-mshort-load-bytes -msoft-float
PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=strongarm1100
#PLATFORM_CPPFLAGS += -mapcs-32 -march=armv4 -mtune=strongarm1100
PLATFORM_CPPFLAGS += -mapcs-32 -march=armv5 -mtune=xscale

16
include/asm-arm/arch-pxa/hardware.h
View file

@ -84,10 +84,10 @@ typedef struct { volatile u32 offset[4096]; } __regbase;
# define __REG(x) io_p2v(x)
# define __PREG(x) io_v2p(x)
# undef io_p2v
# undef io_p2v
# undef __REG
# ifndef __ASSEMBLY__
# define io_p2v(PhAdd) (PhAdd)
# define io_p2v(PhAdd) (PhAdd)
# define __REG(x) (*((volatile u32 *)io_p2v(x)))
# define __REG2(x,y) (*(volatile u32 *)((u32)&__REG(x) + (y)))
# else
@ -105,9 +105,9 @@ typedef struct { volatile u32 offset[4096]; } __regbase;
* This must be called *before* the corresponding IRQ is registered.
* Use this instead of directly setting GRER/GFER.
*/
#define GPIO_FALLING_EDGE 1
#define GPIO_RISING_EDGE 2
#define GPIO_BOTH_EDGES 3
#define GPIO_FALLING_EDGE 1
#define GPIO_RISING_EDGE 2
#define GPIO_BOTH_EDGES 3
extern void set_GPIO_IRQ_edge( int gpio_nr, int edge_mask );
/*
@ -147,4 +147,8 @@ extern unsigned int get_lclk_frequency_10khz(void);
#include "innokom.h"
#endif
#endif /* _ASM_ARCH_HARDWARE_H */
#ifdef CONFIG_ARCH_PLEB
#include "pleb.h"
#endif
#endif /* _ASM_ARCH_HARDWARE_H */

250
include/configs/pleb2.h Normal file
View file

@ -0,0 +1,250 @@
/*
* (C) Copyright 2002
* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* Configuration settings for the PLEB 2 board.
*
* 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
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* If we are developing, we might want to start armboot from ram
* so we MUST NOT initialize critical regs like mem-timing ...
*/
#define CONFIG_INIT_CRITICAL /* undef for developing */
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_PXA250 1 /* This is an PXA255 CPU */
#define CONFIG_PLEB2 1 /* on an PLEB2 Board */
#undef CONFIG_LCD
#undef CONFIG_MMC
#define BOARD_LATE_INIT 1
#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
/*
* Size of malloc() pool
*/
#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
/*
* Hardware drivers
*/
/* None - PLEB 2 doesn't have any of this.
#define CONFIG_DRIVER_LAN91C96
#define CONFIG_LAN91C96_BASE 0x0C000000 */
/*
* select serial console configuration
*/
#define CONFIG_FFUART 1 /* we use FFUART on PLEB 2 */
/* allow to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE
#define CONFIG_BAUDRATE 115200
#define CONFIG_COMMANDS (CONFIG_CMD_DFL & ~CFG_CMD_NET)
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
#define CONFIG_BOOTDELAY 3
#define CONFIG_ETHADDR 08:00:3e:26:0a:5b
#define CONFIG_NETMASK 255.255.0.0
#define CONFIG_IPADDR 192.168.0.21
#define CONFIG_SERVERIP 192.168.0.250
#define CONFIG_BOOTCOMMAND "bootm 40000"
#define CONFIG_BOOTARGS "root=/dev/mtdblock2 prompt_ramdisk=0 load_ramdisk=1 console=ttyS0,115200"
#define CONFIG_CMDLINE_TAG
#define CONFIG_INITRD_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#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
/*
* Miscellaneous configurable options
*/
#define CFG_HUSH_PARSER 1
#define CFG_PROMPT_HUSH_PS2 "> "
#define CFG_LONGHELP /* undef to save memory */
#ifdef CFG_HUSH_PARSER
#define CFG_PROMPT "$ " /* Monitor Command Prompt */
#else
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
#endif
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#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_DEVICE_NULLDEV 1
#define CFG_MEMTEST_START 0xa0400000 /* memtest works on */
#define CFG_MEMTEST_END 0xa0800000 /* 4 ... 8 MB in DRAM */
#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
#define CFG_LOAD_ADDR 0xa2000000 /* default load address */
#define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */
#define CFG_CPUSPEED 0x141 /* set core clock to 200/200/100 MHz */
/* valid baudrates */
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
/*
* Stack sizes
*
* The stack sizes are set up in start.S using the settings below
*/
#define CONFIG_STACKSIZE (128*1024) /* regular stack */
#ifdef CONFIG_USE_IRQ
#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
#endif
/*
* Physical Memory Map
*/
#define CONFIG_NR_DRAM_BANKS 4 /* we have 2 banks of DRAM */
#define PHYS_SDRAM_1 0xa0000000 /* SDRAM Bank #1 */
#define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB */
#define PHYS_SDRAM_2 0xa4000000 /* SDRAM Bank #2 */
#define PHYS_SDRAM_2_SIZE 0x00000000 /* 0 MB */
#define PHYS_SDRAM_3 0xa8000000 /* SDRAM Bank #3 */
#define PHYS_SDRAM_3_SIZE 0x00000000 /* 0 MB */
#define PHYS_SDRAM_4 0xac000000 /* SDRAM Bank #4 */
#define PHYS_SDRAM_4_SIZE 0x00000000 /* 0 MB */
#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
#define PHYS_FLASH_2 0x04000000 /* Flash Bank #2 */
#define PHYS_FLASH_SIZE 0x00800000 /* 4 MB */
/* Not entirely sure about this - DS/CHC */
#define PHYS_FLASH_BANK_SIZE 0x02000000 /* 32 MB Banks */
#define PHYS_FLASH_SECT_SIZE 0x00010000 /* 64 KB sectors (x2) */
#define CFG_DRAM_BASE PHYS_SDRAM_1
#define CFG_DRAM_SIZE PHYS_SDRAM_1_SIZE
#define CFG_FLASH_BASE PHYS_FLASH_1
#define CFG_MONITOR_BASE CFG_FLASH_BASE
/*
* GPIO settings
*/
#define CFG_GPSR0_VAL 0x00000000 /* Don't set anything */
#define CFG_GPSR1_VAL 0x00000080
#define CFG_GPSR2_VAL 0x00000000
#define CFG_GPCR0_VAL 0x00000000 /* Don't clear anything */
#define CFG_GPCR1_VAL 0x00000000
#define CFG_GPCR2_VAL 0x00000000
#define CFG_GPDR0_VAL 0x00000000
#define CFG_GPDR1_VAL 0x000007C3
#define CFG_GPDR2_VAL 0x00000000
/* Edge detect registers (these are set by the kernel) */
#define CFG_GRER0_VAL 0x00000000
#define CFG_GRER1_VAL 0x00000000
#define CFG_GRER2_VAL 0x00000000
#define CFG_GFER0_VAL 0x00000000
#define CFG_GFER1_VAL 0x00000000
#define CFG_GFER2_VAL 0x00000000
#define CFG_GAFR0_L_VAL 0x00000000
#define CFG_GAFR0_U_VAL 0x00000000
#define CFG_GAFR1_L_VAL 0x00008010 /* Use FF UART Send and Receive */
#define CFG_GAFR1_U_VAL 0x00000000
#define CFG_GAFR2_L_VAL 0x00000000
#define CFG_GAFR2_U_VAL 0x00000000
#define CFG_PSSR_VAL 0x20
#define CFG_CCCR_VAL 0x00000141 /* 100 MHz memory, 200 MHz CPU */
#define CFG_CKEN_VAL 0x00000060 /* FFUART and STUART enabled */
#define CFG_ICMR_VAL 0x00000000 /* No interrupts enabled */
/*
* Memory settings
*/
#define CFG_MSC0_VAL 0x00007FF0 /* Not properly calculated - FIXME (DS) */
#define CFG_MSC1_VAL 0x00000000
#define CFG_MSC2_VAL 0x00000000
#define CFG_MDCNFG_VAL 0x00000aC9 /* Memory timings for the SDRAM.
tRP=2, CL=2, tRCD=2, tRAS=5, tRC=8 */
#define CFG_MDREFR_VAL 0x00403018 /* Initial setting, individual
bits set in memsetup.S */
#define CFG_MDMRS_VAL 0x00000000
/*
* PCMCIA and CF Interfaces
*/
#define CFG_MECR_VAL 0x00000000 /* Hangover from Lubbock.
Needs calculating. (DS/CHC) */
#define CFG_MCMEM0_VAL 0x00010504
#define CFG_MCMEM1_VAL 0x00010504
#define CFG_MCATT0_VAL 0x00010504
#define CFG_MCATT1_VAL 0x00010504
#define CFG_MCIO0_VAL 0x00004715
#define CFG_MCIO1_VAL 0x00004715
/*
* FLASH and environment organization
*/
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 64 /* max number of sectors on one chip */
/* timeout values are in ticks */
/* FIXME */
#define CFG_FLASH_ERASE_TOUT (25*CFG_HZ) /* Timeout for Flash Erase */
#define CFG_FLASH_WRITE_TOUT (25*CFG_HZ) /* Timeout for Flash Write */
/* Flash protection */
#define CFG_FLASH_PROTECTION 1
/* FIXME */
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x3C000) /* Addr of Environment Sector */
#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment */
#define CFG_ENV_SECT_SIZE 0x20000
/* Option added to get around byte ordering issues in the flash driver */
#define CFG_LITTLE_ENDIAN 1
#endif /* __CONFIG_H */