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Patch by Greg Ungerer, 19 May 2005:

Browse Source 
add support for the OpenGear CM4008 board
master
wdenk 20 years ago
parent 121fc64022
commit 16b013e750
13 changed files with 1372 additions and 1 deletions
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  1. 6
      Makefile
  2. 46
      board/cm4008/Makefile
  3. 2
      board/cm4008/cm4008.c
  4. 1
      board/cm4008/config.mk
  5. 409
      board/cm4008/flash.c
  6. 55
      board/cm4008/u-boot.lds
  7. 46
      board/cm41xx/Makefile
  8. 101
      board/cm41xx/cm41xx.c
  9. 1
      board/cm41xx/config.mk
  10. 409
      board/cm41xx/flash.c
  11. 55
      board/cm41xx/u-boot.lds
  12. 121
      include/configs/cm4008.h
  13. 121
      include/configs/cm41xx.h

6
Makefile
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@ -1407,6 +1407,12 @@ voiceblue_config: unconfig
fi
@./mkconfig -a voiceblue arm arm925t voiceblue
cm4008_config : unconfig
@./mkconfig $(@:_config=) arm arm920t cm4008 NULL ks8695
cm41xx_config : unconfig
@./mkconfig $(@:_config=) arm arm920t cm41xx NULL ks8695
#########################################################################
## S3C44B0 Systems
#########################################################################

46
board/cm4008/Makefile
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@ -0,0 +1,46 @@
#
# (C) Copyright 2000, 2002
# 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 := cm4008.o flash.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 $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
-include .depend
#########################################################################

2
board/cm4008/cm4008.c
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@ -86,7 +86,7 @@ int board_init (void)
/* power down all but port 0 on the switch */
ks8695_write(KS8695_SWITCH_LPPM12, 0x00000005);
ks8695_write(KS8695_SWITCH_LPPM34, 0x00050005);
return 0;
}

1
board/cm4008/config.mk
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@ -0,0 +1 @@
TEXT_BASE = 0x00f00000

409
board/cm4008/flash.c
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@ -0,0 +1,409 @@
/*
* (C) Copyright 2005
* Greg Ungerer, OpenGear Inc, greg.ungerer@opengear.com
*
* (C) Copyright 2001
* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
*
* (C) Copyright 2001
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <linux/byteorder/swab.h>
flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
#define mb() __asm__ __volatile__ ("" : : : "memory")
/*-----------------------------------------------------------------------
* Functions
*/
static ulong flash_get_size (unsigned char * addr, flash_info_t * info);
static int write_data (flash_info_t * info, ulong dest, unsigned char data);
static void flash_get_offsets (ulong base, flash_info_t * info);
void inline spin_wheel (void);
/*-----------------------------------------------------------------------
*/
unsigned long flash_init (void)
{
int i;
ulong size = 0;
for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
switch (i) {
case 0:
flash_get_size ((unsigned char *) PHYS_FLASH_1, &flash_info[i]);
flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
break;
case 1:
/* ignore for now */
flash_info[i].flash_id = FLASH_UNKNOWN;
break;
default:
panic ("configured too many flash banks!\n");
break;
}
size += flash_info[i].size;
}
/* Protect monitor and environment sectors
*/
flash_protect (FLAG_PROTECT_SET,
CFG_FLASH_BASE,
CFG_FLASH_BASE + _bss_start - _armboot_start,
&flash_info[0]);
return size;
}
/*-----------------------------------------------------------------------
*/
static void flash_get_offsets (ulong base, flash_info_t * info)
{
int i;
if (info->flash_id == FLASH_UNKNOWN)
return;
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
for (i = 0; i < info->sector_count; i++) {
info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE);
info->protect[i] = 0;
}
}
}
/*-----------------------------------------------------------------------
*/
void flash_print_info (flash_info_t * info)
{
int i;
if (info->flash_id == FLASH_UNKNOWN) {
printf ("missing or unknown FLASH type\n");
return;
}
switch (info->flash_id & FLASH_VENDMASK) {
case FLASH_MAN_INTEL:
printf ("INTEL ");
break;
default:
printf ("Unknown Vendor ");
break;
}
switch (info->flash_id & FLASH_TYPEMASK) {
case FLASH_28F128J3A:
printf ("28F128J3A\n");
break;
default:
printf ("Unknown Chip Type\n");
break;
}
printf (" Size: %ld MB in %d Sectors\n",
info->size >> 20, info->sector_count);
printf (" Sector Start Addresses:");
for (i = 0; i < info->sector_count; ++i) {
if ((i % 5) == 0)
printf ("\n ");
printf (" %08lX%s",
info->start[i], info->protect[i] ? " (RO)" : " ");
}
printf ("\n");
return;
}
/*
* The following code cannot be run from FLASH!
*/
static ulong flash_get_size (unsigned char * addr, flash_info_t * info)
{
volatile unsigned char value;
/* Write auto select command: read Manufacturer ID */
addr[0x5555] = 0xAA;
addr[0x2AAA] = 0x55;
addr[0x5555] = 0x90;
mb ();
value = addr[0];
switch (value) {
case (unsigned char)INTEL_MANUFACT:
info->flash_id = FLASH_MAN_INTEL;
break;
default:
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
addr[0] = 0xFF; /* restore read mode */
return (0); /* no or unknown flash */
}
mb ();
value = addr[2]; /* device ID */
switch (value) {
case (unsigned char)INTEL_ID_28F640J3A:
info->flash_id += FLASH_28F640J3A;
info->sector_count = 64;
info->size = 0x00800000;
break; /* => 8 MB */
case (unsigned char)INTEL_ID_28F128J3A:
info->flash_id += FLASH_28F128J3A;
info->sector_count = 128;
info->size = 0x01000000;
break; /* => 16 MB */
default:
info->flash_id = FLASH_UNKNOWN;
break;
}
if (info->sector_count > CFG_MAX_FLASH_SECT) {
printf ("** ERROR: sector count %d > max (%d) **\n",
info->sector_count, CFG_MAX_FLASH_SECT);
info->sector_count = CFG_MAX_FLASH_SECT;
}
addr[0] = 0xFF; /* restore read mode */
return (info->size);
}
/*-----------------------------------------------------------------------
*/
int flash_erase (flash_info_t * info, int s_first, int s_last)
{
int flag, prot, sect;
ulong type;
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;
}
type = (info->flash_id & FLASH_VENDMASK);
if ((type != FLASH_MAN_INTEL)) {
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");
/* 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 */
volatile unsigned char *addr;
unsigned char status;
printf ("Erasing sector %2d ... ", sect);
/* arm simple, non interrupt dependent timer */
reset_timer_masked ();
addr = (volatile unsigned char *) (info->start[sect]);
*addr = 0x50; /* clear status register */
*addr = 0x20; /* erase setup */
*addr = 0xD0; /* erase confirm */
while (((status = *addr) & 0x80) != 0x80) {
if (get_timer_masked () >
CFG_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
*addr = 0xB0; /* suspend erase */
*addr = 0xFF; /* reset to read mode */
rcode = 1;
break;
}
}
*addr = 0x50; /* clear status register cmd */
*addr = 0xFF; /* resest to read mode */
printf (" done\n");
}
}
return rcode;
}
/*-----------------------------------------------------------------------
* Copy memory to flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
* 4 - Flash not identified
*/
int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
{
ulong cp, wp;
unsigned char data;
int count, i, l, rc, port_width;
if (info->flash_id == FLASH_UNKNOWN)
return 4;
wp = addr;
port_width = 1;
/*
* 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 < port_width && cnt > 0; ++i) {
data = (data << 8) | *src++;
--cnt;
++cp;
}
for (; cnt == 0 && i < port_width; ++i, ++cp) {
data = (data << 8) | (*(uchar *) cp);
}
if ((rc = write_data (info, wp, data)) != 0) {
return (rc);
}
wp += port_width;
}
/*
* handle word aligned part
*/
count = 0;
while (cnt >= port_width) {
data = 0;
for (i = 0; i < port_width; ++i) {
data = (data << 8) | *src++;
}
if ((rc = write_data (info, wp, data)) != 0) {
return (rc);
}
wp += port_width;
cnt -= port_width;
if (count++ > 0x800) {
spin_wheel ();
count = 0;
}
}
if (cnt == 0) {
return (0);
}
/*
* handle unaligned tail bytes
*/
data = 0;
for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) {
data = (data << 8) | *src++;
--cnt;
}
for (; i < port_width; ++i, ++cp) {
data = (data << 8) | (*(uchar *) cp);
}
return (write_data (info, wp, data));
}
/*-----------------------------------------------------------------------
* Write a word or halfword to Flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
static int write_data (flash_info_t * info, ulong dest, unsigned char data)
{
volatile unsigned char *addr = (volatile unsigned char *) dest;
ulong status;
int flag;
/* Check if Flash is (sufficiently) erased */
if ((*addr & data) != data) {
printf ("not erased at %08lx (%lx)\n", (ulong) addr,
(ulong) * addr);
return (2);
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts ();
*addr = 0x40; /* write setup */
*addr = data;
/* arm simple, non interrupt dependent timer */
reset_timer_masked ();
/* wait while polling the status register */
while (((status = *addr) & 0x80) != 0x80) {
if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
*addr = 0xFF; /* restore read mode */
return (1);
}
}
*addr = 0xFF; /* restore read mode */
return (0);
}
void inline spin_wheel (void)
{
static int p = 0;
static char w[] = "\\/-";
printf ("\010%c", w[p]);
(++p == 3) ? (p = 0) : 0;
}

55
board/cm4008/u-boot.lds
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@ -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/arm920t/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 = .;
}

46
board/cm41xx/Makefile
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@ -0,0 +1,46 @@
#
# (C) Copyright 2000, 2002
# 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 := cm41xx.o flash.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 $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
-include .depend
#########################################################################

101
board/cm41xx/cm41xx.c
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@ -0,0 +1,101 @@
/*
* (C) Copyright 2005
* Greg Ungerer, OpenGear Inc, <greg.ungerer@opengear.com>
*
* (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/arch/platform.h>
/* ------------------------------------------------------------------------- */
#define ks8695_read(a) *((volatile unsigned int *) (KS8695_IO_BASE+(a)))
#define ks8695_write(a,b) *((volatile unsigned int *) (KS8695_IO_BASE+(a))) = (b)
/* ------------------------------------------------------------------------- */
/*
* Miscelaneous platform dependent initialisations
*/
int env_flash_cmdline (void)
{
unsigned char *sp = (unsigned char *) 0x0201c020;
unsigned char *ep;
int len;
/* Check if "erase" push button is depressed */
if ((ks8695_read(KS8695_GPIO_DATA) & 0x8) == 0) {
printf("### Entering network recovery mode...\n");
setenv("bootargs", "console=ttyAM0,115200 mem=32M initrd=0x400000,8M root=/dev/ram0");
setenv("bootcmd", "bootp 0x400000; gofsk 0x400000");
setenv("bootdelay", "2");
return 0;
}
/* Check for flash based kernel boot args to use as default */
for (ep = sp, len = 0; ((len < 1024) && (*ep != 0)); ep++, len++)
;
if ((len > 0) && (len <1024))
setenv("bootargs", sp);
return 0;
}
int board_late_init (void)
{
return 0;
}
int board_init (void)
{
DECLARE_GLOBAL_DATA_PTR;
/* arch number of CM41xx */
gd->bd->bi_arch_number = 672;
/* adress of boot parameters */
gd->bd->bi_boot_params = 0x00000100;
/* power down all but port 0 on the switch */
ks8695_write(KS8695_SWITCH_LPPM12, 0x00000005);
ks8695_write(KS8695_SWITCH_LPPM34, 0x00050005);
return 0;
}
int dram_init (void)
{
DECLARE_GLOBAL_DATA_PTR;
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
return (0);
}

1
board/cm41xx/config.mk
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TEXT_BASE = 0x00f00000

409
board/cm41xx/flash.c
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/*
* (C) Copyright 2005
* Greg Ungerer, OpenGear Inc, greg.ungerer@opengear.com
*
* (C) Copyright 2001
* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
*
* (C) Copyright 2001
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <linux/byteorder/swab.h>
flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
#define mb() __asm__ __volatile__ ("" : : : "memory")
/*-----------------------------------------------------------------------
* Functions
*/
static ulong flash_get_size (unsigned char * addr, flash_info_t * info);
static int write_data (flash_info_t * info, ulong dest, unsigned char data);
static void flash_get_offsets (ulong base, flash_info_t * info);
void inline spin_wheel (void);
/*-----------------------------------------------------------------------
*/
unsigned long flash_init (void)
{
int i;
ulong size = 0;
for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
switch (i) {
case 0:
flash_get_size ((unsigned char *) PHYS_FLASH_1, &flash_info[i]);
flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
break;
case 1:
/* ignore for now */
flash_info[i].flash_id = FLASH_UNKNOWN;
break;
default:
panic ("configured too many flash banks!\n");
break;
}
size += flash_info[i].size;
}
/* Protect monitor and environment sectors
*/
flash_protect (FLAG_PROTECT_SET,
CFG_FLASH_BASE,
CFG_FLASH_BASE + _bss_start - _armboot_start,
&flash_info[0]);
return size;
}
/*-----------------------------------------------------------------------
*/
static void flash_get_offsets (ulong base, flash_info_t * info)
{
int i;
if (info->flash_id == FLASH_UNKNOWN)
return;
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
for (i = 0; i < info->sector_count; i++) {
info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE);
info->protect[i] = 0;
}
}
}
/*-----------------------------------------------------------------------
*/
void flash_print_info (flash_info_t * info)
{
int i;
if (info->flash_id == FLASH_UNKNOWN) {
printf ("missing or unknown FLASH type\n");
return;
}
switch (info->flash_id & FLASH_VENDMASK) {
case FLASH_MAN_INTEL:
printf ("INTEL ");
break;
default:
printf ("Unknown Vendor ");
break;
}
switch (info->flash_id & FLASH_TYPEMASK) {
case FLASH_28F128J3A:
printf ("28F128J3A\n");
break;
default:
printf ("Unknown Chip Type\n");
break;
}
printf (" Size: %ld MB in %d Sectors\n",
info->size >> 20, info->sector_count);
printf (" Sector Start Addresses:");
for (i = 0; i < info->sector_count; ++i) {
if ((i % 5) == 0)
printf ("\n ");
printf (" %08lX%s",
info->start[i], info->protect[i] ? " (RO)" : " ");
}
printf ("\n");
return;
}
/*
* The following code cannot be run from FLASH!
*/
static ulong flash_get_size (unsigned char * addr, flash_info_t * info)
{
volatile unsigned char value;
/* Write auto select command: read Manufacturer ID */
addr[0x5555] = 0xAA;
addr[0x2AAA] = 0x55;
addr[0x5555] = 0x90;
mb ();
value = addr[0];
switch (value) {
case (unsigned char)INTEL_MANUFACT:
info->flash_id = FLASH_MAN_INTEL;
break;
default:
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
addr[0] = 0xFF; /* restore read mode */
return (0); /* no or unknown flash */
}
mb ();
value = addr[2]; /* device ID */
switch (value) {
case (unsigned char)INTEL_ID_28F640J3A:
info->flash_id += FLASH_28F640J3A;
info->sector_count = 64;
info->size = 0x00800000;
break; /* => 8 MB */
case (unsigned char)INTEL_ID_28F128J3A:
info->flash_id += FLASH_28F128J3A;
info->sector_count = 128;
info->size = 0x01000000;
break; /* => 16 MB */
default:
info->flash_id = FLASH_UNKNOWN;
break;
}
if (info->sector_count > CFG_MAX_FLASH_SECT) {
printf ("** ERROR: sector count %d > max (%d) **\n",
info->sector_count, CFG_MAX_FLASH_SECT);
info->sector_count = CFG_MAX_FLASH_SECT;
}
addr[0] = 0xFF; /* restore read mode */
return (info->size);
}
/*-----------------------------------------------------------------------
*/
int flash_erase (flash_info_t * info, int s_first, int s_last)
{
int flag, prot, sect;
ulong type;
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;
}
type = (info->flash_id & FLASH_VENDMASK);
if ((type != FLASH_MAN_INTEL)) {
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");
/* 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 */
volatile unsigned char *addr;
unsigned char status;
printf ("Erasing sector %2d ... ", sect);
/* arm simple, non interrupt dependent timer */
reset_timer_masked ();
addr = (volatile unsigned char *) (info->start[sect]);
*addr = 0x50; /* clear status register */
*addr = 0x20; /* erase setup */
*addr = 0xD0; /* erase confirm */
while (((status = *addr) & 0x80) != 0x80) {
if (get_timer_masked () >
CFG_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
*addr = 0xB0; /* suspend erase */
*addr = 0xFF; /* reset to read mode */
rcode = 1;
break;
}
}
*addr = 0x50; /* clear status register cmd */
*addr = 0xFF; /* resest to read mode */
printf (" done\n");
}
}
return rcode;
}
/*-----------------------------------------------------------------------
* Copy memory to flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
* 4 - Flash not identified
*/
int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
{
ulong cp, wp;
unsigned char data;
int count, i, l, rc, port_width;
if (info->flash_id == FLASH_UNKNOWN)
return 4;
wp = addr;
port_width = 1;
/*
* 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 < port_width && cnt > 0; ++i) {
data = (data << 8) | *src++;
--cnt;
++cp;
}
for (; cnt == 0 && i < port_width; ++i, ++cp) {
data = (data << 8) | (*(uchar *) cp);
}
if ((rc = write_data (info, wp, data)) != 0) {
return (rc);
}
wp += port_width;
}
/*
* handle word aligned part
*/
count = 0;
while (cnt >= port_width) {
data = 0;
for (i = 0; i < port_width; ++i) {
data = (data << 8) | *src++;
}
if ((rc = write_data (info, wp, data)) != 0) {
return (rc);
}
wp += port_width;
cnt -= port_width;
if (count++ > 0x800) {
spin_wheel ();
count = 0;
}
}
if (cnt == 0) {
return (0);
}
/*
* handle unaligned tail bytes
*/
data = 0;
for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) {
data = (data << 8) | *src++;
--cnt;
}
for (; i < port_width; ++i, ++cp) {
data = (data << 8) | (*(uchar *) cp);
}
return (write_data (info, wp, data));
}
/*-----------------------------------------------------------------------
* Write a word or halfword to Flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
static int write_data (flash_info_t * info, ulong dest, unsigned char data)
{
volatile unsigned char *addr = (volatile unsigned char *) dest;
ulong status;
int flag;
/* Check if Flash is (sufficiently) erased */
if ((*addr & data) != data) {
printf ("not erased at %08lx (%lx)\n", (ulong) addr,
(ulong) * addr);
return (2);
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts ();
*addr = 0x40; /* write setup */
*addr = data;
/* arm simple, non interrupt dependent timer */
reset_timer_masked ();
/* wait while polling the status register */
while (((status = *addr) & 0x80) != 0x80) {
if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
*addr = 0xFF; /* restore read mode */
return (1);
}
}
*addr = 0xFF; /* restore read mode */
return (0);
}
void inline spin_wheel (void)
{
static int p = 0;
static char w[] = "\\/-";
printf ("\010%c", w[p]);
(++p == 3) ? (p = 0) : 0;
}

55
board/cm41xx/u-boot.lds
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@ -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/arm920t/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 = .;
}

121
include/configs/cm4008.h
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/*
* (C) Copyright 2004
* Greg Ungerer <greg.ungerer@opengear.com>.
* 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
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_KS8695 1 /* it is a KS8695 CPU */
#define CONFIG_CM4008 1 /* it is an OpenGear CM4008 boad */
#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS 1
#define CONFIG_INITRD_TAG 1
/*
* 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
*/
/*
* select serial console configuration
*/
#define CFG_ENV_IS_NOWHERE
#define CONFIG_SERIAL1
#define CONFIG_CONS_INDEX 1
#define CONFIG_BAUDRATE 115200
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
#undef CONFIG_COMMANDS
#define CONFIG_COMMANDS (CONFIG_CMD_DFL & ~(CFG_CMD_NONSTD | CFG_CMD_ENV))
#define CONFIG_BOOTDELAY 0
#define CONFIG_BOOTARGS "mem=16M console=ttyAM0,115200"
#define CONFIG_BOOTCOMMAND "gofsk 0x02200000"
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#define CFG_PROMPT "boot > " /* Monitor Command Prompt */
#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_MEMTEST_START 0x00800000 /* memtest works on */
#define CFG_MEMTEST_END 0x01000000 /* 16 MB in DRAM */
#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
#define CFG_LOAD_ADDR 0x00008000 /* default load address */
#define CFG_HZ (1000) /* 1ms resolution ticks */
/*-----------------------------------------------------------------------
* 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 1 /* we have 1 bank of DRAM */
#define PHYS_SDRAM_1 0x00000000 /* SDRAM Bank #1 */
#define PHYS_SDRAM_1_SIZE 0x01000000 /* 16 MB */
#define PHYS_FLASH_1 0x02000000 /* Flash Bank #1 */
#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 128 KB sectors (x1) */
#define CFG_FLASH_BASE PHYS_FLASH_1
/*-----------------------------------------------------------------------
* FLASH and environment organization
*/
#define CFG_MAX_FLASH_BANKS 2 /* max number of flash banks */
#define CFG_MAX_FLASH_SECT (128) /* max number of sectors on one chip */
/* timeout values are in ticks */
#define CFG_FLASH_ERASE_TOUT (20*CFG_HZ) /* Timeout for Flash Erase */
#define CFG_FLASH_WRITE_TOUT (20*CFG_HZ) /* Timeout for Flash Write */
#define CFG_ENV_SIZE 0x20000 /* Total Size of Environment */
#endif /* __CONFIG_H */

121
include/configs/cm41xx.h
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@ -0,0 +1,121 @@
/*
* (C) Copyright 2005
* Greg Ungerer <greg.ungerer@opengear.com>.
* 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
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_KS8695 1 /* it is a KS8695 CPU */
#define CONFIG_CM41xx 1 /* it is an OpenGear CM41xx boad */
#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS 1
#define CONFIG_INITRD_TAG 1
/*
* 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
*/
/*
* select serial console configuration
*/
#define CFG_ENV_IS_NOWHERE
#define CONFIG_SERIAL1
#define CONFIG_CONS_INDEX 1
#define CONFIG_BAUDRATE 115200
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
#undef CONFIG_COMMANDS
#define CONFIG_COMMANDS (CONFIG_CMD_DFL & ~(CFG_CMD_NONSTD | CFG_CMD_ENV))
#define CONFIG_BOOTDELAY 0
#define CONFIG_BOOTARGS "mem=32M console=ttyAM0,115200"
#define CONFIG_BOOTCOMMAND "gofsk 0x02200000"
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#define CFG_PROMPT "boot > " /* Monitor Command Prompt */
#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_MEMTEST_START 0x00800000 /* memtest works on */
#define CFG_MEMTEST_END 0x01000000 /* 16 MB in DRAM */
#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
#define CFG_LOAD_ADDR 0x00008000 /* default load address */
#define CFG_HZ (1000) /* 1ms resolution ticks */
/*-----------------------------------------------------------------------
* 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 1 /* we have 1 bank of DRAM */
#define PHYS_SDRAM_1 0x00000000 /* SDRAM Bank #1 */
#define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB */
#define PHYS_FLASH_1 0x02000000 /* Flash Bank #1 */
#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 128 KB sectors (x1) */
#define CFG_FLASH_BASE PHYS_FLASH_1
/*-----------------------------------------------------------------------
* FLASH and environment organization
*/
#define CFG_MAX_FLASH_BANKS 2 /* max number of flash banks */
#define CFG_MAX_FLASH_SECT (128) /* max number of sectors on one chip */
/* timeout values are in ticks */
#define CFG_FLASH_ERASE_TOUT (20*CFG_HZ) /* Timeout for Flash Erase */
#define CFG_FLASH_WRITE_TOUT (20*CFG_HZ) /* Timeout for Flash Write */
#define CFG_ENV_SIZE 0x20000 /* Total Size of Environment */
#endif /* __CONFIG_H */
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