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Patch by Kurt Stremerch, 28 May 2004:

Browse Source 
Add support for Exys XSEngine board

Some code cleanup.
This commit is contained in:
wdenk 2004-06-09 15:37:23 +00:00
parent 697037fe9b
commit ca0e774894
15 changed files with 1177 additions and 6 deletions
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3
CHANGELOG
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@ -2,6 +2,9 @@
Changes since U-Boot 1.1.1:
======================================================================
* Patch by Kurt Stremerch, 28 May 2004:
Add support for Exys XSEngine board
* Patch by Martin Krause, 27 May 2004:
Fix a MPC5xxx I2C timing issue in i2c_probe().

4
CREDITS
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@ -319,6 +319,10 @@ N: Robert Schwebel
E: r.schwebel@pengutronix.de
D: Support for csb226, logodl and innokom boards (PXA2xx)
N: Kurt Stremerch
E: kurt@exys.be
D: Support for Exys XSEngine board
N: Rob Taylor
E: robt@flyingpig.com
D: Port to MBX860T and Sandpoint8240

2
MAKEALL
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@ -149,7 +149,7 @@ LIST_ARM9=" \
## Xscale Systems
#########################################################################
LIST_pxa="cradle csb226 innokom lubbock wepep250 xm250"
LIST_pxa="cradle csb226 innokom lubbock wepep250 xm250 xsengine"
LIST_ixp="ixdp425"

3
Makefile
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@ -1166,6 +1166,9 @@ wepep250_config : unconfig
xm250_config : unconfig
@./mkconfig $(@:_config=) arm pxa xm250
xsengine_config : unconfig
@./mkconfig $(@:_config=) arm pxa xsengine
#========================================================================
# i386
#========================================================================

4
board/omap1610inn/omap1610innovator.c
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@ -102,8 +102,8 @@ void flash__init (void)
#ifdef CONFIG_CS_AUTOBOOT
/* Check swapping of CS0 and CS3, set flash base accordingly */
omap_flash_base = ((*((u32 *)OMAP_EMIFS_CONFIG_REG) & 0x02) == 0) ?
PHYS_FLASH_1_BM0 : PHYS_FLASH_1_BM1;
omap_flash_base = ((*((u32 *)OMAP_EMIFS_CONFIG_REG) & 0x02) == 0) ?
PHYS_FLASH_1_BM0 : PHYS_FLASH_1_BM1;
#endif
regval = *((volatile unsigned int *) EMIFS_GlB_Config_REG);
/* Turn off write protection for flash devices. */

47
board/xsengine/Makefile Normal file
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@ -0,0 +1,47 @@
#
# (C) Copyright 2000-2004
# 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 := xsengine.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 --disassemble-all $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
-include .depend
#########################################################################

1
board/xsengine/config.mk Normal file
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@ -0,0 +1 @@
TEXT_BASE = 0xA3F80000

565
board/xsengine/flash.c Normal file
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@ -0,0 +1,565 @@
/*
* (C) Copyright 2002
* Robert Schwebel, Pengutronix, <r.schwebel@pengutronix.de>
*
* (C) Copyright 2000-2004
* 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>
#if defined CFG_JFFS_CUSTOM_PART
#include <jffs2/jffs2.h>
#endif
#define SWAP(x) __swab32(x)
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);
#if defined CFG_JFFS_CUSTOM_PART
/*
* jffs2_part_info - get information about a JFFS2 partition
*
* @part_num: number of the partition you want to get info about
* @return: struct part_info* in case of success, 0 if failure
*/
static struct part_info part;
static int current_part = -1;
struct part_info* jffs2_part_info(int part_num) {
void *jffs2_priv_saved = part.jffs2_priv;
printf("jffs2_part_info: part_num=%i\n",part_num);
if (current_part == part_num)
return &part;
/* u-boot partition */
if(part_num==0){
memset(&part, 0, sizeof(part));
part.offset=(char*)0x00000000;
part.size=256*1024;
/* Mark the struct as ready */
current_part = part_num;
printf("part.offset = 0x%08x\n",(unsigned int)part.offset);
printf("part.size = 0x%08x\n",(unsigned int)part.size);
}
/* primary OS+firmware partition */
if(part_num==1){
memset(&part, 0, sizeof(part));
part.offset=(char*)0x00040000;
part.size=1024*1024;
/* Mark the struct as ready */
current_part = part_num;
printf("part.offset = 0x%08x\n",(unsigned int)part.offset);
printf("part.size = 0x%08x\n",(unsigned int)part.size);
}
/* secondary OS+firmware partition */
if(part_num==2){
memset(&part, 0, sizeof(part));
part.offset=(char*)0x00140000;
part.size=8*1024*1024;
/* Mark the struct as ready */
current_part = part_num;
printf("part.offset = 0x%08x\n",(unsigned int)part.offset);
printf("part.size = 0x%08x\n",(unsigned int)part.size);
}
if (current_part == part_num) {
part.usr_priv = &current_part;
part.jffs2_priv = jffs2_priv_saved;
return &part;
}
printf("jffs2_part_info: end of partition table\n");
return 0;
}
#endif
/*-----------------------------------------------------------------------
*/
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 ((long *) PHYS_FLASH_1, &flash_info[i]);
flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
break;
case 1:
flash_get_size ((long *) PHYS_FLASH_2, &flash_info[i]);
flash_get_offsets (PHYS_FLASH_2, &flash_info[i]);
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 + monitor_flash_len - 1,&flash_info[0] );
flash_protect ( FLAG_PROTECT_SET,CFG_ENV_ADDR,CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0] );
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_AMD) {
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_AMD: printf ("AMD "); break;
case FLASH_MAN_FUJ: printf ("FUJITSU "); break;
default: printf ("Unknown Vendor "); break;
}
switch (info->flash_id & FLASH_TYPEMASK) {
case FLASH_AMLV128U: printf ("AM29LV128ML (128Mbit, uniform sector size)\n");
break;
case FLASH_AMLV320U: printf ("AM29LV320ML (32Mbit, uniform sector size)\n");
break;
case FLASH_AMLV640U: printf ("AM29LV640ML (64Mbit, uniform sector size)\n");
break;
case FLASH_AMLV320B: printf ("AM29LV320MB (32Mbit, bottom boot sect)\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 (vu_long *addr, flash_info_t *info)
{
short i;
ulong value;
ulong base = (ulong)addr;
/* Write auto select command: read Manufacturer ID */
addr[0x0555] = 0x00AA00AA;
addr[0x02AA] = 0x00550055;
addr[0x0555] = 0x00900090;
value = addr[0];
debug ("Manuf. ID @ 0x%08lx: 0x%08lx\n", (ulong)addr, value);
switch (value) {
case AMD_MANUFACT:
debug ("Manufacturer: AMD\n");
info->flash_id = FLASH_MAN_AMD;
break;
case FUJ_MANUFACT:
debug ("Manufacturer: FUJITSU\n");
info->flash_id = FLASH_MAN_FUJ;
break;
default:
debug ("Manufacturer: *** unknown ***\n");
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
return (0); /* no or unknown flash */
}
value = addr[1]; /* device ID */
debug ("Device ID @ 0x%08lx: 0x%08lx\n", (ulong)(&addr[1]), value);
switch (value) {
case AMD_ID_MIRROR:
debug ("Mirror Bit flash: addr[14] = %08lX addr[15] = %08lX\n",
addr[14], addr[15]);
switch(addr[14]) {
case AMD_ID_LV128U_2:
if (addr[15] != AMD_ID_LV128U_3) {
debug ("Chip: AMLV128U -> unknown\n");
info->flash_id = FLASH_UNKNOWN;
} else {
debug ("Chip: AMLV128U\n");
info->flash_id += FLASH_AMLV128U;
info->sector_count = 256;
info->size = 0x02000000;
}
break; /* => 32 MB */
case AMD_ID_LV640U_2:
if (addr[15] != AMD_ID_LV640U_3) {
debug ("Chip: AMLV640U -> unknown\n");
info->flash_id = FLASH_UNKNOWN;
} else {
debug ("Chip: AMLV640U\n");
info->flash_id += FLASH_AMLV640U;
info->sector_count = 128;
info->size = 0x01000000;
}
break; /* => 16 MB */
case AMD_ID_LV320B_2:
if (addr[15] != AMD_ID_LV320B_3) {
debug ("Chip: AMLV320B -> unknown\n");
info->flash_id = FLASH_UNKNOWN;
} else {
debug ("Chip: AMLV320B\n");
info->flash_id += FLASH_AMLV320B;
info->sector_count = 71;
info->size = 0x00800000;
}
break; /* => 8 MB */
default:
debug ("Chip: *** unknown ***\n");
info->flash_id = FLASH_UNKNOWN;
break;
}
break;
default:
info->flash_id = FLASH_UNKNOWN;
return (0); /* => no or unknown flash */
}
/* set up sector start address table */
switch (value) {
case AMD_ID_MIRROR:
switch (info->flash_id & FLASH_TYPEMASK) {
/* only known types here - no default */
case FLASH_AMLV128U:
case FLASH_AMLV640U:
case FLASH_AMLV320U:
for (i = 0; i < info->sector_count; i++) {
info->start[i] = base;
base += 0x20000;
}
break;
case FLASH_AMLV320B:
for (i = 0; i < info->sector_count; i++) {
info->start[i] = base;
/*
* The first 8 sectors are 8 kB,
* all the other ones are 64 kB
*/
base += (i < 8)
? 2 * ( 8 << 10)
: 2 * (64 << 10);
}
break;
}
break;
default:
return (0);
break;
}
#if 0
/* 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 */
addr = (volatile unsigned long *)(info->start[i]);
info->protect[i] = addr[2] & 1;
}
#endif
/*
* Prevent writes to uninitialized FLASH.
*/
if (info->flash_id != FLASH_UNKNOWN) {
addr = (volatile unsigned long *)info->start[0];
*addr = 0x00F000F0; /* reset bank */
}
return (info->size);
}
/*-----------------------------------------------------------------------
*/
int flash_erase (flash_info_t *info, int s_first, int s_last)
{
vu_long *addr = (vu_long*)(info->start[0]);
int flag, prot, sect, l_sect;
ulong start, now, last;
debug ("flash_erase: first: %d last: %d\n", s_first, s_last);
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) ||
(info->flash_id > FLASH_AMD_COMP)) {
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");
}
l_sect = -1;
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
addr[0x0555] = 0x00AA00AA;
addr[0x02AA] = 0x00550055;
addr[0x0555] = 0x00800080;
addr[0x0555] = 0x00AA00AA;
addr[0x02AA] = 0x00550055;
/* Start erase on unprotected sectors */
for (sect = s_first; sect<=s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
addr = (vu_long*)(info->start[sect]);
addr[0] = 0x00300030;
l_sect = sect;
}
}
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* wait at least 80us - let's wait 1 ms */
udelay (1000);
/*
* We wait for the last triggered sector
*/
if (l_sect < 0)
goto DONE;
start = get_timer (0);
last = start;
addr = (vu_long*)(info->start[l_sect]);
while ((addr[0] & 0x00800080) != 0x00800080) {
if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
return 1;
}
/* show that we're waiting */
if ((now - last) > 100000) { /* every second */
putc ('.');
last = now;
}
}
DONE:
/* reset to read mode */
addr = (volatile unsigned long *)info->start[0];
addr[0] = 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, SWAP(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, SWAP(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, SWAP(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)
{
vu_long *addr = (vu_long*)(info->start[0]);
ulong start;
ulong rev;
int flag;
int i;
/* Check if Flash is (sufficiently) erased */
if ((*((vu_long *)dest) & data) != data) {
return (2);
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
addr[0x0555] = 0x00AA00AA;
addr[0x02AA] = 0x00550055;
addr[0x0555] = 0x00A000A0;
*((vu_long *)dest) = data;
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* data polling for D7 */
start = get_timer (0);
while ((*((vu_long *)dest) & 0x00800080) != (data & 0x00800080)) {
if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
return (1);
}
}
return (0);
}

221
board/xsengine/memsetup.S Normal file
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@ -0,0 +1,221 @@
#include <config.h>
#include <version.h>
#include <asm/arch/pxa-regs.h>
DRAM_SIZE: .long CFG_DRAM_SIZE
.globl memsetup
memsetup:
mov r10, lr
/* ---- GPIO INITIALISATION ---- */
/* Set up GPIO pins first (3 groups [31:0] [63:32] [80:64]) */
/* General purpose set registers */
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]
/* General purpose clear registers */
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]
/* General rising edge registers */
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]
/* General falling edge registers */
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]
/* General edge detect registers */
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]
/* General alternate function registers */
ldr r0, =GAFR0_L /* [0:15] */
ldr r1, =CFG_GAFR0_L_VAL
str r1, [r0]
ldr r0, =GAFR0_U /* [31:16] */
ldr r1, =CFG_GAFR0_U_VAL
str r1, [r0]
ldr r0, =GAFR1_L /* [47:32] */
ldr r1, =CFG_GAFR1_L_VAL
str r1, [r0]
ldr r0, =GAFR1_U /* [63:48] */
ldr r1, =CFG_GAFR1_U_VAL
str r1, [r0]
ldr r0, =GAFR2_L /* [79:64] */
ldr r1, =CFG_GAFR2_L_VAL
str r1, [r0]
ldr r0, =GAFR2_U /* [80] */
ldr r1, =CFG_GAFR2_U_VAL
str r1, [r0]
/* General purpose direction registers */
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]
/* Power manager sleep status */
ldr r0, =PSSR
ldr r1, =CFG_PSSR_VAL
str r1, [r0]
/* ---- MEMORY INITIALISATION ---- */
/* Initialize Memory Controller, see PXA250 Operating System Developer's Guide */
/* pause for 200 uSecs- allow internal clocks to settle */
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
/* ---- FLASH INITIALISATION ---- */
/* Write MSC0 and read back to ensure data change is accepted by cpu */
ldr r2, =CFG_MSC0_VAL
str r2, [r1, #MSC0_OFFSET]
ldr r2, [r1, #MSC0_OFFSET]
/* ---- SDRAM INITIALISATION ---- */
/* get the MDREFR settings */
ldr r2, =CFG_MDREFR_VAL
str r2, [r1, #MDREFR_OFFSET]
/* 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)
/* write initial value of MDCNFG, w/o enabling sdram banks */
str r2, [r1, #MDCNFG_OFFSET]
/* pause for 200 uSecs */
ldr r3, =OSCR /* reset the OS Timer Count to zero */
mov r2, #0
str r2, [r3]
ldr r4, =0x300 /* about 200 usec */
1:
ldr r2, [r3]
cmp r4, r2
bgt 1b
/* 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]
/* get memory controller base address */
ldr r2, =MEMC_BASE
/* Enable SDRAM bank 0 in MDCNFG register */
ldr r2, [r1, #MDCNFG_OFFSET]
orr r2, r2, #MDCNFG_DE0
str r2, [r1, #MDCNFG_OFFSET]
/* write MDMRS to trigger an MSR command to all enabled SDRAM banks */
ldr r2, =CFG_MDMRS_VAL
str r2, [r1, #MDMRS_OFFSET]
/* ---- INTERRUPT INITIALISATION ---- */
/* 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]
/* ---- CLOCK INITIALISATION ---- */
/* 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]
mov pc, r10

55
board/xsengine/u-boot.lds Normal file
View File

@ -0,0 +1,55 @@
/*
* (C) Copyright 2000-2004
* 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 = .;
}

65
board/xsengine/xsengine.c Normal file
View File

@ -0,0 +1,65 @@
/*
* (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>
/*
* 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 */
gd->bd->bi_arch_number = 532;
/* adress of boot parameters */
gd->bd->bi_boot_params = 0xa0000100;
return 0;
}
int board_post_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;
return 0;
}

26
drivers/smc91111.h
View File

@ -76,6 +76,16 @@ typedef unsigned long int dword;
#ifdef CONFIG_PXA250
#ifdef CONFIG_XSENGINE
#define SMC_inl(r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r<<1))))
#define SMC_inw(r) (*((volatile word *)(SMC_BASE_ADDRESS+(r<<1))))
#define SMC_inb(p) ({ \
unsigned int __p = (unsigned int)(SMC_BASE_ADDRESS + (p<<1)); \
unsigned int __v = *(volatile unsigned short *)((__p) & ~2); \
if (__p & 2) __v >>= 8; \
else __v &= 0xff; \
__v; })
#else
#define SMC_inl(r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r))))
#define SMC_inw(r) (*((volatile word *)(SMC_BASE_ADDRESS+(r))))
#define SMC_inb(p) ({ \
@ -84,9 +94,16 @@ typedef unsigned long int dword;
if (__p & 1) __v >>= 8; \
else __v &= 0xff; \
__v; })
#endif
#ifdef CONFIG_XSENGINE
#define SMC_outl(d,r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r<<1))) = d)
#define SMC_outw(d,r) (*((volatile word *)(SMC_BASE_ADDRESS+(r<<1))) = d)
#else
#define SMC_outl(d,r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r))) = d)
#define SMC_outw(d,r) (*((volatile word *)(SMC_BASE_ADDRESS+(r))) = d)
#endif
#define SMC_outb(d,r) ({ word __d = (byte)(d); \
word __w = SMC_inw((r)&~1); \
__w &= ((r)&1) ? 0x00FF : 0xFF00; \
@ -191,7 +208,11 @@ typedef unsigned long int dword;
#if defined(CONFIG_SMC_USE_32_BIT)
#ifdef CONFIG_XSENGINE
#define SMC_inl(r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r<<1))))
#else
#define SMC_inl(r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r))))
#endif
#define SMC_insl(r,b,l) ({ int __i ; \
dword *__b2; \
@ -202,8 +223,11 @@ typedef unsigned long int dword;
}; \
})
#ifdef CONFIG_XSENGINE
#define SMC_outl(d,r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r<<1))) = d)
#else
#define SMC_outl(d,r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r))) = d)
#endif
#define SMC_outsl(r,b,l) ({ int __i; \
dword *__b2; \
__b2 = (dword *) b; \

2
include/configs/omap1610h2.h
View File

@ -150,7 +150,7 @@
#define PHYS_FLASH_1_BM0 0x0C000000 /* Flash Bank #1 if booting from RAM */
#ifdef CONFIG_CS_AUTOBOOT /* Determine CS assignment in runtime */
#ifndef __ASSEMBLY__
extern unsigned long omap_flash_base; /* set in flash__init */
#endif

2
include/configs/omap1610inn.h
View File

@ -155,7 +155,7 @@
#define PHYS_FLASH_1_BM0 0x0C000000 /* Flash Bank #1 if booting from RAM */
#ifdef CONFIG_CS_AUTOBOOT /* Determine CS assignment in runtime */
#ifndef __ASSEMBLY__
extern unsigned long omap_flash_base; /* set in flash__init */
#endif

183
include/configs/xsengine.h Normal file
View File

@ -0,0 +1,183 @@
/*
* (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
*/
#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 */
#define CONFIG_PXA250 1 /* This is an PXA250 CPU */
#define CONFIG_XSENGINE 1
#define CONFIG_MMC 1
#define BOARD_POST_INIT 1
#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
#define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */
#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
#define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */
#define CFG_CPUSPEED 0x161 /* set core clock to 400/200/100 MHz */
#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */
#define PHYS_SDRAM_1 0xa0000000 /* SDRAM Bank #1 */
#define PHYS_SDRAM_1_SIZE 0x04000000 /* 64 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 CFG_DRAM_BASE 0xa0000000
#define CFG_DRAM_SIZE 0x04000000
/* FLASH organization */
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
#define PHYS_FLASH_2 0x00000000 /* Flash Bank #2 */
#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 127 KB sectors */
#define CFG_FLASH_BASE PHYS_FLASH_1
#define CFG_JFFS2_NUM_BANKS 1
#define CFG_JFFS2_FIRST_BANK 0
#define CFG_JFFS_CUSTOM_PART 1
/* Environment settings */
#define CONFIG_ENV_OVERWRITE
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x40000) /* Addr of Environment Sector (after monitor)*/
#define CFG_ENV_SECT_SIZE PHYS_FLASH_SECT_SIZE /* Size of the Environment Sector */
#define CFG_ENV_SIZE 0x4000 /* 16kB Total Size of Environment Sector */
/* timeout values are in ticks */
#define CFG_FLASH_ERASE_TOUT (75*CFG_HZ) /* Timeout for Flash Erase */
#define CFG_FLASH_WRITE_TOUT (50*CFG_HZ) /* Timeout for Flash Write */
/* Size of malloc() pool */
#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 256*1024)
#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
/* Hardware drivers */
#define CONFIG_DRIVER_SMC91111
#define CONFIG_SMC91111_BASE 0x04000300
#define CONFIG_SMC_USE_32_BIT 1
/* select serial console configuration */
#define CONFIG_FFUART 1
/* allow to overwrite serial and ethaddr */
#define CONFIG_BAUDRATE 115200
#define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_MMC | CFG_CMD_FAT | CFG_CMD_PING | CFG_CMD_JFFS2)
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
#define CONFIG_BOOTDELAY 3
#define CONFIG_ETHADDR FF:FF:FF:FF:FF:FF
#define CONFIG_NETMASK 255.255.255.0
#define CONFIG_IPADDR 192.168.1.50
#define CONFIG_SERVERIP 192.168.1.2
#define CONFIG_BOOTARGS "root=/dev/mtdblock2 rootfstype=jffs2 console=ttyS1,115200"
#define CONFIG_CMDLINE_TAG
/* Miscellaneous configurable options */
#define CFG_HUSH_PARSER 1
#define CFG_PROMPT_HUSH_PS2 "> "
#define CFG_LONGHELP /* undef to save memory */
#define CFG_PROMPT "XS-Engine u-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 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_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } /* valid baudrates */
#define CFG_MMC_BASE 0xF0000000
#define CFG_LOAD_ADDR 0xA0000000 /* load kernel to this address */
/* 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
/* GP set register */
#define CFG_GPSR0_VAL 0x0000A000 /* CS1, PROG(FPGA) */
#define CFG_GPSR1_VAL 0x00020000 /* nPWE */
#define CFG_GPSR2_VAL 0x0000C000 /* CS2, CS3 */
/* GP clear register */
#define CFG_GPCR0_VAL 0x00000000
#define CFG_GPCR1_VAL 0x00000000
#define CFG_GPCR2_VAL 0x00000000
/* GP direction register */
#define CFG_GPDR0_VAL 0x0000A000 /* CS1, PROG(FPGA) */
#define CFG_GPDR1_VAL 0x00022A80 /* nPWE, FFUART + BTUART pins */
#define CFG_GPDR2_VAL 0x0000C000 /* CS2, CS3 */
/* GP rising edge detect register */
#define CFG_GRER0_VAL 0x00000000
#define CFG_GRER1_VAL 0x00000000
#define CFG_GRER2_VAL 0x00000000
/* GP falling edge detect register */
#define CFG_GFER0_VAL 0x00000000
#define CFG_GFER1_VAL 0x00000000
#define CFG_GFER2_VAL 0x00000000
/* GP alternate function register */
#define CFG_GAFR0_L_VAL 0x80000000 /* CS1 */
#define CFG_GAFR0_U_VAL 0x00000010 /* RDY */
#define CFG_GAFR1_L_VAL 0x09988050 /* FFUART + BTUART pins */
#define CFG_GAFR1_U_VAL 0x00000008 /* nPWE */
#define CFG_GAFR2_L_VAL 0xA0000000 /* CS2, CS3 */
#define CFG_GAFR2_U_VAL 0x00000000
#define CFG_PSSR_VAL 0x00000020 /* Power manager sleep status */
#define CFG_CCCR_VAL 0x00000161 /* 100 MHz memory, 400 MHz CPU */
#define CFG_CKEN_VAL 0x000000C0 /* BTUART and FFUART enabled */
#define CFG_ICMR_VAL 0x00000000 /* No interrupts enabled */
/* Memory settings */
#define CFG_MSC0_VAL 0x25F425F0
/* MDCNFG: SDRAM Configuration Register */
#define CFG_MDCNFG_VAL 0x000009C9
/* MDREFR: SDRAM Refresh Control Register */
#define CFG_MDREFR_VAL 0x00018018
/* MDMRS: Mode Register Set Configuration Register */
#define CFG_MDMRS_VAL 0x00220022
#endif /* __CONFIG_H */