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Patch by Vincent Dubey, 24 Sep 2004:

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Add support for xaeniax board
This commit is contained in:
wdenk 2004-09-28 16:44:41 +00:00
parent 79536a6eb0
commit 4ec3a7f0fd
10 changed files with 1603 additions and 1 deletions
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3
CHANGELOG
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@ -2,6 +2,9 @@
Changes since U-Boot 1.1.1:
======================================================================
* Patch by Vincent Dubey, 24 Sep 2004:
Add support for xaeniax board
* Add comment about non-GPL character of standalone applications to
COPYING file

6
MAKEALL
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@ -149,7 +149,11 @@ LIST_ARM9=" \
## Xscale Systems
#########################################################################
LIST_pxa="cerf250 cradle csb226 innokom lubbock wepep250 xm250 xsengine"
LIST_pxa=" \
cerf250 cradle csb226 innokom \
lubbock wepep250 xaeniax xm250 \
xsengine \
"
LIST_ixp="ixdp425"

3
Makefile
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@ -1316,6 +1316,9 @@ logodl_config : unconfig
wepep250_config : unconfig
@./mkconfig $(@:_config=) arm pxa wepep250
xaeniax_config : unconfig
@./mkconfig $(@:_config=) arm pxa xaeniax
xm250_config : unconfig
@./mkconfig $(@:_config=) arm pxa xm250

47
board/xaeniax/Makefile Normal file
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@ -0,0 +1,47 @@
#
# (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 := xaeniax.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
#########################################################################

2
board/xaeniax/config.mk Normal file
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@ -0,0 +1,2 @@
TEXT_BASE = 0xa3FB0000
#TEXT_BASE = 0

431
board/xaeniax/flash.c Normal file
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@ -0,0 +1,431 @@
/*
* (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 */
/* Board support for 1 or 2 flash devices */
#define FLASH_PORT_WIDTH32
#undef FLASH_PORT_WIDTH16
#ifdef FLASH_PORT_WIDTH16
#define FLASH_PORT_WIDTH ushort
#define FLASH_PORT_WIDTHV vu_short
#define SWAP(x) __swab16(x)
#else
#define FLASH_PORT_WIDTH ulong
#define FLASH_PORT_WIDTHV vu_long
#define SWAP(x) __swab32(x)
#endif
#define FPW FLASH_PORT_WIDTH
#define FPWV FLASH_PORT_WIDTHV
#define mb() __asm__ __volatile__ ("" : : : "memory")
/*-----------------------------------------------------------------------
* Functions
*/
static ulong flash_get_size (FPW *addr, flash_info_t *info);
static int write_data (flash_info_t *info, ulong dest, FPW 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 ((FPW *) PHYS_FLASH_1, &flash_info[i]);
flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
break;
case 1:
flash_get_size ((FPW *) 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_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 (FPW *addr, flash_info_t *info)
{
volatile FPW value;
/* Write auto select command: read Manufacturer ID */
addr[0x5555] = (FPW) 0x00AA00AA;
addr[0x2AAA] = (FPW) 0x00550055;
addr[0x5555] = (FPW) 0x00900090;
mb ();
value = addr[0];
switch (value) {
case (FPW) INTEL_MANUFACT:
info->flash_id = FLASH_MAN_INTEL;
break;
default:
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
return (0); /* no or unknown flash */
}
mb ();
value = addr[1]; /* device ID */
switch (value) {
case (FPW) INTEL_ID_28F128J3A:
info->flash_id += FLASH_28F128J3A;
info->sector_count = 128;
info->size = 0x02000000;
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] = (FPW) 0x00FF00FF; /* 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, start, 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;
}
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");
}
start = get_timer (0);
last = start;
/* 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 */
FPWV *addr = (FPWV *) (info->start[sect]);
FPW status;
printf ("Erasing sector %2d ... ", sect);
/* arm simple, non interrupt dependent timer */
reset_timer_masked ();
*addr = (FPW) 0x00500050; /* clear status register */
*addr = (FPW) 0x00200020; /* erase setup */
*addr = (FPW) 0x00D000D0; /* erase confirm */
while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
if (get_timer_masked () > CFG_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
*addr = (FPW) 0x00B000B0; /* suspend erase */
*addr = (FPW) 0x00FF00FF; /* reset to read mode */
rcode = 1;
break;
}
}
*addr = 0x00500050; /* clear status register cmd. */
*addr = 0x00FF00FF; /* 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;
FPW data;
int count, i, l, rc, port_width;
if (info->flash_id == FLASH_UNKNOWN) {
return 4;
}
/* get lower word aligned address */
#ifdef FLASH_PORT_WIDTH16
wp = (addr & ~1);
port_width = 2;
#else
wp = (addr & ~3);
port_width = 4;
#endif
/*
* 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, SWAP (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, SWAP (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, SWAP (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, FPW data)
{
FPWV *addr = (FPWV *) dest;
ulong status;
int flag;
/* Check if Flash is (sufficiently) erased */
if ((*addr & data) != data) {
printf ("not erased at %08lx (%lx)\n", (ulong) addr, *addr);
return (2);
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts ();
*addr = (FPW) 0x00400040; /* write setup */
*addr = data;
/* arm simple, non interrupt dependent timer */
reset_timer_masked ();
/* wait while polling the status register */
while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
*addr = (FPW) 0x00FF00FF; /* restore read mode */
return (1);
}
}
*addr = (FPW) 0x00FF00FF; /* 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;
}

424
board/xaeniax/memsetup.S Normal file
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@ -0,0 +1,424 @@
/*
* Most of this taken from Redboot hal_platform_setup.h with cleanup
*
* NOTE: I haven't clean this up considerably, just enough to get it
* running. See hal_platform_setup.h for the source. See
* board/cradle/memsetup.S for another PXA250 setup that is
* much cleaner.
*
* 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,=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]
ldr r0,=PSSR /* enable GPIO pins */
ldr r1,=CFG_PSSR_VAL
str r1,[r0]
/* ---------------------------------------------------------------- */
/* Enable memory interface */
/* */
/* The sequence below is based on the recommended init steps */
/* detailed in the Intel PXA250 Operating Systems Developers Guide, */
/* Chapter 10. */
/* ---------------------------------------------------------------- */
/* ---------------------------------------------------------------- */
/* Step 1: Wait for at least 200 microsedonds to allow internal */
/* clocks to settle. Only necessary after hard reset... */
/* FIXME: can be optimized later */
/* ---------------------------------------------------------------- */
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:
ldr r1,=MEMC_BASE /* get memory controller base addr. */
/* ---------------------------------------------------------------- */
/* Step 2a: Initialize Asynchronous static memory controller */
/* ---------------------------------------------------------------- */
/* MSC registers: timing, bus width, mem type */
/* MSC0: nCS(0,1) */
ldr r2,=CFG_MSC0_VAL
str r2,[r1, #MSC0_OFFSET]
ldr r2,[r1, #MSC0_OFFSET] /* read back to ensure data latches */
/* MSC1: nCS(2,3) */
ldr r2,=CFG_MSC1_VAL
str r2,[r1, #MSC1_OFFSET]
ldr r2,[r1, #MSC1_OFFSET]
/* MSC2: nCS(4,5) */
ldr r2,=CFG_MSC2_VAL
str r2,[r1, #MSC2_OFFSET]
ldr r2,[r1, #MSC2_OFFSET]
/* ---------------------------------------------------------------- */
/* Step 2b: Initialize Card Interface */
/* ---------------------------------------------------------------- */
/* MECR: Memory Expansion Card Register */
ldr r2,=CFG_MECR_VAL
str r2,[r1, #MECR_OFFSET]
ldr r2,[r1, #MECR_OFFSET]
/* MCMEM0: Card Interface slot 0 timing */
ldr r2,=CFG_MCMEM0_VAL
str r2,[r1, #MCMEM0_OFFSET]
ldr r2,[r1, #MCMEM0_OFFSET]
/* MCMEM1: Card Interface slot 1 timing */
ldr r2,=CFG_MCMEM1_VAL
str r2,[r1, #MCMEM1_OFFSET]
ldr r2,[r1, #MCMEM1_OFFSET]
/* MCATT0: Card Interface Attribute Space Timing, slot 0 */
ldr r2,=CFG_MCATT0_VAL
str r2,[r1, #MCATT0_OFFSET]
ldr r2,[r1, #MCATT0_OFFSET]
/* MCATT1: Card Interface Attribute Space Timing, slot 1 */
ldr r2,=CFG_MCATT1_VAL
str r2,[r1, #MCATT1_OFFSET]
ldr r2,[r1, #MCATT1_OFFSET]
/* MCIO0: Card Interface I/O Space Timing, slot 0 */
ldr r2,=CFG_MCIO0_VAL
str r2,[r1, #MCIO0_OFFSET]
ldr r2,[r1, #MCIO0_OFFSET]
/* MCIO1: Card Interface I/O Space Timing, slot 1 */
ldr r2,=CFG_MCIO1_VAL
str r2,[r1, #MCIO1_OFFSET]
ldr r2,[r1, #MCIO1_OFFSET]
/* ---------------------------------------------------------------- */
/* Step 2c: Write FLYCNFG FIXME: what's that??? */
/* ---------------------------------------------------------------- */
/* ---------------------------------------------------------------- */
/* Step 2d: Initialize Timing for Sync Memory (SDCLK0) */
/* ---------------------------------------------------------------- */
@ get the mdrefr settings
ldr r4,=CFG_MDREFR_VAL
@ write back mdrefr
str r4,[r1, #MDREFR_OFFSET]
ldr r4,[r1, #MDREFR_OFFSET]
/* ---------------------------------------------------------------- */
/* Step 3: Initialize Synchronous Static Memory (Flash/Peripherals) */
/* ---------------------------------------------------------------- */
/* Initialize SXCNFG register. Assert the enable bits */
/* Write SXMRS to cause an MRS command to all enabled banks of */
/* synchronous static memory. Note that SXLCR need not be written */
/* at this time. */
/* FIXME: we use async mode for now */
/* ---------------------------------------------------------------- */
/* Step 4: Initialize SDRAM */
/* ---------------------------------------------------------------- */
@ set K1RUN for bank 0
@
orr r4, r4, #MDREFR_K1RUN
@ write back mdrefr
@
str r4, [r1, #MDREFR_OFFSET]
ldr r4, [r1, #MDREFR_OFFSET]
@ deassert SLFRSH
@
bic r4, r4, #MDREFR_SLFRSH
@ write back mdrefr
@
str r4, [r1, #MDREFR_OFFSET]
ldr r4, [r1, #MDREFR_OFFSET]
@ assert E1PIN
@ if E0PIN is also used: #(MDREFR_E1PIN|MDREFR_E0PIN)
orr r4, r4, #(MDREFR_E1PIN)
@ write back mdrefr
@
str r4, [r1, #MDREFR_OFFSET]
ldr r4, [r1, #MDREFR_OFFSET]
nop
nop
/* 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: Wait for the clock to the SDRAMs to stabilize, */
/* 100..200 µsec. */
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
/* Step 4f: Trigger a number (usually 8) refresh cycles by */
/* attempting non-burst read or write accesses to disabled */
/* SDRAM, as commonly specified in the power up sequence */
/* documented in SDRAM data sheets. The address(es) used */
/* for this purpose must not be cacheable. */
ldr r3, =CFG_DRAM_BASE
str r2, [r3]
str r2, [r3]
str r2, [r3]
str r2, [r3]
str r2, [r3]
str r2, [r3]
str r2, [r3]
str r2, [r3]
str r2, [r3]
/* Step 4g: Write MDCNFG with enable bits asserted */
/* 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]
/* We are finished with Intel's memory controller initialisation */
/* ---------------------------------------------------------------- */
/* Disable (mask) all interrupts at interrupt controller */
/* ---------------------------------------------------------------- */
initirqs:
mov r1, #0 /* clear int. level register (IRQ, not FIQ) */
ldr r2, =ICLR
str r1, [r2]
ldr r1, =CFG_ICMR_VAL /* mask all interrupts at the controller */
ldr r2, =ICMR
str r1, [r2]
/* ---------------------------------------------------------------- */
/* Clock initialisation */
/* ---------------------------------------------------------------- */
initclks:
/* Disable the peripheral clocks, and set the core clock frequency */
/* (hard-coding at 398.12MHz for now). */
/* Turn Off ALL on-chip peripheral clocks for re-configuration */
/* Note: See label 'ENABLECLKS' for the re-enabling */
ldr r1, =CKEN
mov r2, #0
str r2, [r1]
/* default value */
ldr r2, =(CCCR_L27|CCCR_M2|CCCR_N10) /* DEFAULT: {200/200/100} */
/* ... and write the core clock config register */
ldr r1, =CCCR
str r2, [r1]
#ifdef RTC
/* 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
@
test:
ldr r1, =CKEN
ldr r2, =CFG_CKEN_VAL
str r2, [r1]
/* ---------------------------------------------------------------- */
/* */
/* ---------------------------------------------------------------- */
/* Save SDRAM size ?*/
ldr r1, =DRAM_SIZE
str r8, [r1]
/* FIXME */
#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
/* ---------------------------------------------------------------- */
/* End memsetup */
/* ---------------------------------------------------------------- */
endmemsetup:
mov pc, lr

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/*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
OUTPUT_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 = .;
}

78
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/*
* (C) Copyright 2004
* Vincent Dubey, Xa SA, vincent.dubey@xa-ch.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>
/* ------------------------------------------------------------------------- */
/*
* 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 xaeniax */
gd->bd->bi_arch_number = 585;
/* 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;
}

555
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/*
* (C) Copyright 2004
* Vincent Dubey, Xa SA, vincent.dubey@xa-ch.com
*
* (C) Copyright 2002
* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.ne
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* Configuation settings for the xaeniax 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 */
/*
#undef CONFIG_INIT_CRITICAL
*/
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_PXA250 1 /* This is an PXA255 CPU */
#define CONFIG_XAENIAX 1 /* on a xaeniax board */
#define BOARD_LATE_INIT 1
#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
/*
* select serial console configuration
*/
#define CONFIG_BTUART 1 /* we use BTUART on XAENIAX */
/* allow to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE
#define CONFIG_BAUDRATE 115200
#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } /* valid baudrates */
#define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_DIAG | CFG_CMD_SDRAM & ~CONFIG_CMD_DTT)
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
#define CONFIG_ETHADDR 08:00:3e:26:0a:5b
#define CONFIG_NETMASK 255.255.255.0
#define CONFIG_IPADDR 192.168.68.201
#define CONFIG_SERVERIP 192.168.68.62
#define CONFIG_BOOTDELAY 3
#define CONFIG_BOOTCOMMAND "bootm 0x00100000"
#define CONFIG_BOOTARGS "console=ttyS1,115200"
#define CONFIG_CMDLINE_TAG1 /* enable passing of ATAGs */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CONFIG_KGDB_BAUDRATE 115200 /* speed to run kgdb serial port */
#define CONFIG_KGDB_SER_INDEX 1 /* which serial port to use */
#endif
/*
* Size of malloc() pool; this lives below the uppermost 128 KiB which are
* used for the RAM copy of the uboot code
*/
#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
/*
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
#define CFG_HUSH_PARSER 1
#define CFG_PROMPT_HUSH_PS2 "> "
#ifdef CFG_HUSH_PARSER
#define CFG_PROMPT "u-boot$ " /* Monitor Command Prompt */
#else
#define CFG_PROMPT "u-boot=> " /* 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 0xa1000000 /* default load address */
#define CFG_HZ 3686400 /* incrementer freq: 3.6864 MHz */
#define CFG_CPUSPEED 0x141 /* set core clock to 400/200/100 MHz */
/*
* Physical Memory Map
*/
#define CONFIG_NR_DRAM_BANKS 1 /* we have 1 banks (partition) 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 PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
#define PHYS_FLASH_2 0x04000000 /* Flash Bank #2 */
#define PHYS_FLASH_SIZE 0x02000000 /* 32 MB */
#define PHYS_FLASH_BANK_SIZE 0x02000000 /* 32 MB Banks */
#define PHYS_FLASH_SECT_SIZE 0x00040000 /* 256 KB sectors (x2) */
#define CFG_DRAM_BASE 0xa0000000
#define CFG_DRAM_SIZE 0x04000000
#define CFG_FLASH_BASE PHYS_FLASH_1
/*
* FLASH and environment 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 */
/* timeout values are in ticks */
#define CFG_FLASH_ERASE_TOUT (25*CFG_HZ) /* Timeout for Flash Erase */
#define CFG_FLASH_WRITE_TOUT (25*CFG_HZ) /* Timeout for Flash Write */
/* FIXME */
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x40000)/* Addr of Environment Sector */
#define CFG_ENV_SIZE 0x40000 /* Total Size of Environment Sector */
/*
* 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
/*
* SMSC91C111 Network Card
*/
#define CONFIG_DRIVER_SMC91111 1
#define CONFIG_SMC91111_BASE 0x0C00030 /* chip select 3 */
#define CONFIG_SMC_USE_32_BIT 1 /* 32 bit bus */
#undef CONFIG_SMC_91111_EXT_PHY /* we use internal phy */
#undef CONFIG_SHOW_ACTIVITY
#define CONFIG_NET_RETRY_COUNT 10 /* # of retries */
/*
* GPIO settings
*/
/*
* GP05 == nUSBReset is 1
* GP10 == CFReset is 1
* GP13 == nCFDataEnable is 1
* GP14 == nCFAddrEnable is 1
* GP15 == nCS1 is 1
* GP21 == ComBrdReset is 1
* GP24 == SFRM is 1
* GP25 == TXD is 1
* GP31 == SYNC is 1
* GP33 == nCS5 is 1
* GP39 == FFTXD is 1
* GP41 == RTS is 1
* GP43 == BTTXD is 1
* GP45 == BTRTS is 1
* GP47 == TXD is 1
* GP48 == nPOE is 1
* GP49 == nPWE is 1
* GP50 == nPIOR is 1
* GP51 == nPIOW is 1
* GP52 == nPCE[1] is 1
* GP53 == nPCE[2] is 1
* GP54 == nPSKTSEL is 1
* GP55 == nPREG is 1
* GP78 == nCS2 is 1
* GP79 == nCS3 is 1
* GP80 == nCS4 is 1
* GP82 == NSSPSFRM is 1
* GP83 == NSSPTXD is 1
*/
#define CFG_GPSR0_VAL 0x8320E420
#define CFG_GPSR1_VAL 0x00FFAA82
#define CFG_GPSR2_VAL 0x000DC000
/*
* GP03 == LANReset is 0
* GP06 == USBWakeUp is 0
* GP11 == USBControl is 0
* GP12 == Buzzer is 0
* GP16 == PWM0 is 0
* GP17 == PWM1 is 0
* GP23 == SCLK is 0
* GP30 == SDATA_OUT is 0
* GP81 == NSSPCLK is 0
*/
#define CFG_GPCR0_VAL 0x40C31868
#define CFG_GPCR1_VAL 0x00000000
#define CFG_GPCR2_VAL 0x00020000
/*
* GP00 == CPUWakeUpUSB is input
* GP01 == GP reset is input
* GP02 == LANInterrupt is input
* GP03 == LANReset is output
* GP04 == USBInterrupt is input
* GP05 == nUSBReset is output
* GP06 == USBWakeUp is output
* GP07 == CFReady/nBusy is input
* GP08 == nCFCardDetect1 is input
* GP09 == nCFCardDetect2 is input
* GP10 == nCFReset is output
* GP11 == USBControl is output
* GP12 == Buzzer is output
* GP13 == CFDataEnable is output
* GP14 == CFAddressEnable is output
* GP15 == nCS1 is output
* GP16 == PWM0 is output
* GP17 == PWM1 is output
* GP18 == RDY is input
* GP19 == ReaderReady is input
* GP20 == ReaderReset is input
* GP21 == ComBrdReset is output
* GP23 == SCLK is output
* GP24 == SFRM is output
* GP25 == TXD is output
* GP26 == RXD is input
* GP27 == EXTCLK is input
* GP28 == BITCLK is output
* GP29 == SDATA_IN0 is input
* GP30 == SDATA_OUT is output
* GP31 == SYNC is output
* GP32 == SYSSCLK is output
* GP33 == nCS5 is output
* GP34 == FFRXD is input
* GP35 == CTS is input
* GP36 == DCD is input
* GP37 == DSR is input
* GP38 == RI is input
* GP39 == FFTXD is output
* GP40 == DTR is output
* GP41 == RTS is output
* GP42 == BTRXD is input
* GP43 == BTTXD is output
* GP44 == BTCTS is input
* GP45 == BTRTS is output
* GP46 == RXD is input
* GP47 == TXD is output
* GP48 == nPOE is output
* GP49 == nPWE is output
* GP50 == nPIOR is output
* GP51 == nPIOW is output
* GP52 == nPCE[1] is output
* GP53 == nPCE[2] is output
* GP54 == nPSKTSEL is output
* GP55 == nPREG is output
* GP56 == nPWAIT is input
* GP57 == nPIOS16 is input
* GP58 == LDD[0] is output
* GP59 == LDD[1] is output
* GP60 == LDD[2] is output
* GP61 == LDD[3] is output
* GP62 == LDD[4] is output
* GP63 == LDD[5] is output
* GP64 == LDD[6] is output
* GP65 == LDD[7] is output
* GP66 == LDD[8] is output
* GP67 == LDD[9] is output
* GP68 == LDD[10] is output
* GP69 == LDD[11] is output
* GP70 == LDD[12] is output
* GP71 == LDD[13] is output
* GP72 == LDD[14] is output
* GP73 == LDD[15] is output
* GP74 == LCD_FCLK is output
* GP75 == LCD_LCLK is output
* GP76 == LCD_PCLK is output
* GP77 == LCD_ACBIAS is output
* GP78 == nCS2 is output
* GP79 == nCS3 is output
* GP80 == nCS4 is output
* GP81 == NSSPCLK is output
* GP82 == NSSPSFRM is output
* GP83 == NSSPTXD is output
* GP84 == NSSPRXD is input
*/
#define CFG_GPDR0_VAL 0xD3E3FC68
#define CFG_GPDR1_VAL 0xFCFFAB83
#define CFG_GPDR2_VAL 0x000FFFFF
/*
* GP01 == GP reset is AF01
* GP15 == nCS1 is AF10
* GP16 == PWM0 is AF10
* GP17 == PWM1 is AF10
* GP18 == RDY is AF01
* GP23 == SCLK is AF10
* GP24 == SFRM is AF10
* GP25 == TXD is AF10
* GP26 == RXD is AF01
* GP27 == EXTCLK is AF01
* GP28 == BITCLK is AF01
* GP29 == SDATA_IN0 is AF10
* GP30 == SDATA_OUT is AF01
* GP31 == SYNC is AF01
* GP32 == SYSCLK is AF01
* GP33 == nCS5 is AF10
* GP34 == FFRXD is AF01
* GP35 == CTS is AF01
* GP36 == DCD is AF01
* GP37 == DSR is AF01
* GP38 == RI is AF01
* GP39 == FFTXD is AF10
* GP40 == DTR is AF10
* GP41 == RTS is AF10
* GP42 == BTRXD is AF01
* GP43 == BTTXD is AF10
* GP44 == BTCTS is AF01
* GP45 == BTRTS is AF10
* GP46 == RXD is AF10
* GP47 == TXD is AF01
* GP48 == nPOE is AF10
* GP49 == nPWE is AF10
* GP50 == nPIOR is AF10
* GP51 == nPIOW is AF10
* GP52 == nPCE[1] is AF10
* GP53 == nPCE[2] is AF10
* GP54 == nPSKTSEL is AF10
* GP55 == nPREG is AF10
* GP56 == nPWAIT is AF01
* GP57 == nPIOS16 is AF01
* GP58 == LDD[0] is AF10
* GP59 == LDD[1] is AF10
* GP60 == LDD[2] is AF10
* GP61 == LDD[3] is AF10
* GP62 == LDD[4] is AF10
* GP63 == LDD[5] is AF10
* GP64 == LDD[6] is AF10
* GP65 == LDD[7] is AF10
* GP66 == LDD[8] is AF10
* GP67 == LDD[9] is AF10
* GP68 == LDD[10] is AF10
* GP69 == LDD[11] is AF10
* GP70 == LDD[12] is AF10
* GP71 == LDD[13] is AF10
* GP72 == LDD[14] is AF10
* GP73 == LDD[15] is AF10
* GP74 == LCD_FCLK is AF10
* GP75 == LCD_LCLK is AF10
* GP76 == LCD_PCLK is AF10
* GP77 == LCD_ACBIAS is AF10
* GP78 == nCS2 is AF10
* GP79 == nCS3 is AF10
* GP80 == nCS4 is AF10
* GP81 == NSSPCLK is AF01
* GP82 == NSSPSFRM is AF01
* GP83 == NSSPTXD is AF01
* GP84 == NSSPRXD is AF10
*/
#define CFG_GAFR0_L_VAL 0x80000004
#define CFG_GAFR0_U_VAL 0x595A801A
#define CFG_GAFR1_L_VAL 0x699A9559
#define CFG_GAFR1_U_VAL 0xAAA5AAAA
#define CFG_GAFR2_L_VAL 0xAAAAAAAA
#define CFG_GAFR2_U_VAL 0x00000256
/*
* clock settings
*/
/* RDH = 1
* PH = 0
* VFS = 0
* BFS = 0
* SSS = 0
*/
#define CFG_PSSR_VAL 0x00000030
#define CFG_CKEN_VAL 0x00000080 /* */
#define CFG_ICMR_VAL 0x00000000 /* No interrupts enabled */
/*
* Memory settings
*
* This is the configuration for nCS0/1 -> flash banks
* configuration for nCS1 :
* [31] 0 -
* [30:28] 000 -
* [27:24] 0000 -
* [23:20] 0000 -
* [19] 0 -
* [18:16] 000 -
* configuration for nCS0:
* [15] 0 - Slower Device
* [14:12] 010 - CS deselect to CS time: 2*(2*MemClk) = 40 ns
* [11:08] 0011 - Address to data valid in bursts: (3+1)*MemClk = 40 ns
* [07:04] 1111 - " for first access: (23+2)*MemClk = 250 ns (fixme 12+2?)
* [03] 0 - 32 Bit bus width
* [02:00] 010 - burst OF 4 ROM or FLASH
*/
#define CFG_MSC0_VAL 0x000023D2
/* This is the configuration for nCS2/3 -> USB controller, LAN
* configuration for nCS3: LAN
* [31] 0 - Slower Device
* [30:28] 001 - RRR3: CS deselect to CS time: 1*(2*MemClk) = 20 ns
* [27:24] 0010 - RDN3: Address to data valid in bursts: (2+1)*MemClk = 30 ns
* [23:20] 0010 - RDF3: Address for first access: (2+1)*MemClk = 30 ns
* [19] 0 - 32 Bit bus width
* [18:16] 100 - variable latency I/O
* configuration for nCS2: USB
* [15] 1 - Faster Device
* [14:12] 010 - RRR2: CS deselect to CS time: 2*(2*MemClk) = 40 ns
* [11:08] 0010 - RDN2: Address to data valid in bursts: (2+1)*MemClk = 30 ns
* [07:04] 0110 - RDF2: Address for first access: (6+1)*MemClk = 70 ns
* [03] 0 - 32 Bit bus width
* [02:00] 100 - variable latency I/O
*/
#define CFG_MSC1_VAL 0x1224A264
/* This is the configuration for nCS4/5 -> LAN
* configuration for nCS5:
* [31] 0 -
* [30:28] 000 -
* [27:24] 0000 -
* [23:20] 0000 -
* [19] 0 -
* [18:16] 000 -
* configuration for nCS4: LAN
* [15] 1 - Faster Device
* [14:12] 010 - RRR2: CS deselect to CS time: 2*(2*MemClk) = 40 ns
* [11:08] 0010 - RDN2: Address to data valid in bursts: (2+1)*MemClk = 30 ns
* [07:04] 0110 - RDF2: Address for first access: (6+1)*MemClk = 70 ns
* [03] 0 - 32 Bit bus width
* [02:00] 100 - variable latency I/O
*/
#define CFG_MSC2_VAL 0x00001224
/* MDCNFG: SDRAM Configuration Register
*
* [31:29] 000 - reserved
* [28] 0 - no SA1111 compatiblity mode
* [27] 0 - latch return data with return clock
* [26] 0 - alternate addressing for pair 2/3
* [25:24] 00 - timings
* [23] 0 - internal banks in lower partition 2/3 (not used)
* [22:21] 00 - row address bits for partition 2/3 (not used)
* [20:19] 00 - column address bits for partition 2/3 (not used)
* [18] 0 - SDRAM partition 2/3 width is 32 bit
* [17] 0 - SDRAM partition 3 disabled
* [16] 0 - SDRAM partition 2 disabled
* [15:13] 000 - reserved
* [12] 0 - no SA1111 compatiblity mode
* [11] 1 - latch return data with return clock
* [10] 0 - no alternate addressing for pair 0/1
* [09:08] 10 - tRP=2*MemClk CL=2 tRCD=2*MemClk tRAS=5*MemClk tRC=8*MemClk
* [7] 1 - 4 internal banks in lower partition pair
* [06:05] 10 - 13 row address bits for partition 0/1
* [04:03] 01 - 9 column address bits for partition 0/1
* [02] 0 - SDRAM partition 0/1 width is 32 bit
* [01] 0 - disable SDRAM partition 1
* [00] 1 - enable SDRAM partition 0
*/
/* use the configuration above but disable partition 0 */
#define CFG_MDCNFG_VAL 0x00000AC9
/* MDREFR: SDRAM Refresh Control Register
*
* [32:26] 0 - reserved
* [25] 0 - K2FREE: not free running
* [24] 0 - K1FREE: not free running
* [23] 0 - K0FREE: not free running
* [22] 0 - SLFRSH: self refresh disabled
* [21] 0 - reserved
* [20] 1 - APD: auto power down
* [19] 0 - K2DB2: SDCLK2 is MemClk
* [18] 0 - K2RUN: disable SDCLK2
* [17] 0 - K1DB2: SDCLK1 is MemClk
* [16] 1 - K1RUN: enable SDCLK1
* [15] 1 - E1PIN: SDRAM clock enable
* [14] 0 - K0DB2: SDCLK0 is MemClk
* [13] 0 - K0RUN: disable SDCLK0
* [12] 0 - E0PIN: disable SDCKE0
* [11:00] 000000011000 - (64ms/8192)*MemClkFreq/32 = 24
*/
#define CFG_MDREFR_VAL 0x00138018 /* mh: was 0x00118018 */
/* MDMRS: Mode Register Set Configuration Register
*
* [31] 0 - reserved
* [30:23] 00000000- MDMRS2: SDRAM2/3 MRS Value. (not used)
* [22:20] 011 - MDCL2: SDRAM2/3 Cas Latency. (not used)
* [19] 0 - MDADD2: SDRAM2/3 burst Type. Fixed to sequential. (not used)
* [18:16] 010 - MDBL2: SDRAM2/3 burst Length. Fixed to 4. (not used)
* [15] 0 - reserved
* [14:07] 00000000- MDMRS0: SDRAM0/1 MRS Value.
* [06:04] 011 - MDCL0: SDRAM0/1 Cas Latency.
* [03] 0 - MDADD0: SDRAM0/1 burst Type. Fixed to sequential.
* [02:00] 010 - MDBL0: SDRAM0/1 burst Length. Fixed to 4.
*/
#define CFG_MDMRS_VAL 0x00320032
/*
* PCMCIA and CF Interfaces
*/
#define CFG_MECR_VAL 0x00000000
#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
#endif /* __CONFIG_H */