leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

powerpc: ppc4xx: remove board support for CRAYL1

Browse Source 
This board has been orphaned for more than 6 months.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
This commit is contained in:
Masahiro Yamada 2014-09-29 01:37:58 +09:00 committed by Tom Rini
parent dc9617e0ce
commit 1521cdc530
15 changed files with 1 additions and 1470 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/powerpc/cpu/ppc4xx/Kconfig
View File

@ -106,9 +106,6 @@ config TARGET_FX12MM
config TARGET_V5FX30TEVAL
bool "Support v5fx30teval"
config TARGET_CRAYL1
bool "Support CRAYL1"
config TARGET_CATCENTER
bool "Support CATcenter"
@ -260,7 +257,6 @@ source "board/amcc/yosemite/Kconfig"
source "board/amcc/yucca/Kconfig"
source "board/avnet/fx12mm/Kconfig"
source "board/avnet/v5fx30teval/Kconfig"
source "board/cray/L1/Kconfig"
source "board/csb272/Kconfig"
source "board/csb472/Kconfig"
source "board/dave/PPChameleonEVB/Kconfig"

2
board/cray/L1/.gitignore vendored
View File

@ -1,2 +0,0 @@
bootscript.c
bootscript.image

12
board/cray/L1/Kconfig
View File

@ -1,12 +0,0 @@
if TARGET_CRAYL1
config SYS_BOARD
default "L1"
config SYS_VENDOR
default "cray"
config SYS_CONFIG_NAME
default "CRAYL1"
endif

350
board/cray/L1/L1.c
View File

@ -1,350 +0,0 @@
/*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/processor.h>
#include <asm/ppc4xx-i2c.h>
#include <command.h>
#include <rtc.h>
#include <post.h>
#include <net.h>
#include <malloc.h>
#define L1_MEMSIZE (32*1024*1024)
/* the std. DHCP stufff */
#define DHCP_ROUTER 3
#define DHCP_NETMASK 1
#define DHCP_BOOTFILE 67
#define DHCP_ROOTPATH 17
#define DHCP_HOSTNAME 12
/* some extras used by CRAY
*
* on the server this looks like:
*
* option L1-initrd-image code 224 = string;
* option L1-initrd-image "/opt/craysv2/craymcu/l1/flash/initrd.image"
*/
#define DHCP_L1_INITRD 224
/* new, [better?] way via official vendor-extensions, defining an option
* space.
* on the server this looks like:
*
* option space CRAYL1;
* option CRAYL1.initrd code 3 = string;
* ..etc...
*/
#define DHCP_VENDOR_SPECX 43
#define DHCP_VX_INITRD 3
#define DHCP_VX_BOOTCMD 4
#define DHCP_VX_BOOTARGS 5
#define DHCP_VX_ROOTDEV 6
#define DHCP_VX_FROMFLASH 7
#define DHCP_VX_BOOTSCRIPT 8
#define DHCP_VX_RCFILE 9
#define DHCP_VX_MAGIC 10
/* Things DHCP server can tellme about. If there's no flash address, then
* they dont participate in 'update' to flash, and we force their values
* back to '0' every boot to be sure to get them fresh from DHCP. Yes, I
* know this is a pain...
*
* If I get no bootfile, boot from flash. If rootpath, use that. If no
* rootpath use initrd in flash.
*/
typedef struct dhcp_item_s {
u8 dhcp_option;
u8 dhcp_vendor_option;
char *dhcpvalue;
char *envname;
} dhcp_item_t;
static dhcp_item_t Things[] = {
{DHCP_ROUTER, 0, NULL, "gateway"},
{DHCP_NETMASK, 0, NULL, "netmask"},
{DHCP_BOOTFILE, 0, NULL, "bootfile"},
{DHCP_ROOTPATH, 0, NULL, "rootpath"},
{DHCP_HOSTNAME, 0, NULL, "hostname"},
{DHCP_L1_INITRD, 0, NULL, "initrd"},
/* and the other way.. */
{DHCP_VENDOR_SPECX, DHCP_VX_INITRD, NULL, "initrd"},
{DHCP_VENDOR_SPECX, DHCP_VX_BOOTCMD, NULL, "bootcmd"},
{DHCP_VENDOR_SPECX, DHCP_VX_FROMFLASH, NULL, "fromflash"},
{DHCP_VENDOR_SPECX, DHCP_VX_BOOTSCRIPT, NULL, "bootscript"},
{DHCP_VENDOR_SPECX, DHCP_VX_RCFILE, NULL, "rcfile"},
{DHCP_VENDOR_SPECX, DHCP_VX_BOOTARGS, NULL, "xbootargs"},
{DHCP_VENDOR_SPECX, DHCP_VX_ROOTDEV, NULL, NULL},
{DHCP_VENDOR_SPECX, DHCP_VX_MAGIC, NULL, NULL}
};
#define N_THINGS ((sizeof(Things))/(sizeof(dhcp_item_t)))
extern char bootscript[];
/* Here is the boot logic as HUSH script. Overridden by any TFP provided
* bootscript file.
*/
static void init_sdram (void);
/* ------------------------------------------------------------------------- */
int board_early_init_f (void)
{
/* Running from ROM: global data is still READONLY */
init_sdram ();
mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
mtdcr (UIC0ER, 0x00000000); /* disable all ints */
mtdcr (UIC0CR, 0x00000020); /* set all but FPGA SMI to be non-critical */
mtdcr (UIC0PR, 0xFFFFFFE0); /* set int polarities */
mtdcr (UIC0TR, 0x10000000); /* set int trigger levels */
mtdcr (UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority */
mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
return 0;
}
/* ------------------------------------------------------------------------- */
int checkboard (void)
{
return (0);
}
/* ------------------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */
int misc_init_r (void)
{
char *s, *e;
image_header_t *hdr;
time_t timestamp;
struct rtc_time tm;
char bootcmd[32];
hdr = (image_header_t *) (CONFIG_SYS_MONITOR_BASE - image_get_header_size ());
#if defined(CONFIG_FIT)
if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) {
puts ("Non legacy image format not supported\n");
return -1;
}
#endif
timestamp = (time_t)image_get_time (hdr);
to_tm (timestamp, &tm);
printf ("Welcome to U-Boot on Cray L1. Compiled %4d-%02d-%02d %2d:%02d:%02d (UTC)\n", tm.tm_year, tm.tm_mon, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
#define FACTORY_SETTINGS 0xFFFC0000
if ((s = getenv ("ethaddr")) == NULL) {
e = (char *) (FACTORY_SETTINGS);
if (*(e + 0) != '0'
|| *(e + 1) != '0'
|| *(e + 2) != ':'
|| *(e + 3) != '4' || *(e + 4) != '0' || *(e + 17) != '\0') {
printf ("No valid MAC address in flash location 0x3C0000!\n");
} else {
printf ("Factory MAC: %s\n", e);
setenv ("ethaddr", e);
}
}
sprintf (bootcmd,"source %X",(unsigned)bootscript);
setenv ("bootcmd", bootcmd);
return (0);
}
/* ------------------------------------------------------------------------- */
/* stubs so we can print dates w/o any nvram RTC.*/
int rtc_get (struct rtc_time *tmp)
{
return 0;
}
int rtc_set (struct rtc_time *tmp)
{
return 0;
}
void rtc_reset (void)
{
return;
}
/* ------------------------------------------------------------------------- */
/* Do sdram bank init in C so I can read it..no console to print to yet!
*/
static void init_sdram (void)
{
unsigned long tmp;
/* write SDRAM bank 0 register */
mtdcr (SDRAM0_CFGADDR, SDRAM0_B0CR);
mtdcr (SDRAM0_CFGDATA, 0x00062001);
/* Set the SDRAM Timing reg, SDTR1 and the refresh timer reg, RTR. */
/* To set the appropriate timings, we need to know the SDRAM speed. */
/* We can use the PLB speed since the SDRAM speed is the same as */
/* the PLB speed. The PLB speed is the FBK divider times the */
/* 405GP reference clock, which on the L1 is 25MHz. */
/* Thus, if FBK div is 2, SDRAM is 50MHz; if FBK div is 3, SDRAM is */
/* 150MHz; if FBK is 3, SDRAM is 150MHz. */
/* divisor = ((mfdcr(strap)>> 28) & 0x3); */
/* write SDRAM timing for 100MHz. */
mtdcr (SDRAM0_CFGADDR, SDRAM0_TR);
mtdcr (SDRAM0_CFGDATA, 0x0086400D);
/* write SDRAM refresh interval register */
mtdcr (SDRAM0_CFGADDR, SDRAM0_RTR);
mtdcr (SDRAM0_CFGDATA, 0x05F00000);
udelay (200);
/* sdram controller.*/
mtdcr (SDRAM0_CFGADDR, SDRAM0_CFG);
mtdcr (SDRAM0_CFGDATA, 0x90800000);
udelay (200);
/* initially, disable ECC on all banks */
udelay (200);
mtdcr (SDRAM0_CFGADDR, SDRAM0_ECCCFG);
tmp = mfdcr (SDRAM0_CFGDATA);
tmp &= 0xff0fffff;
mtdcr (SDRAM0_CFGADDR, SDRAM0_ECCCFG);
mtdcr (SDRAM0_CFGDATA, tmp);
return;
}
extern int memory_post_test (int flags);
int testdram (void)
{
unsigned long tmp;
uint *pstart = (uint *) 0x00000000;
uint *pend = (uint *) L1_MEMSIZE;
uint *p;
if (getenv_f("booted",NULL,0) <= 0)
{
printf ("testdram..");
/*AA*/
for (p = pstart; p < pend; p++)
*p = 0xaaaaaaaa;
for (p = pstart; p < pend; p++) {
if (*p != 0xaaaaaaaa) {
printf ("SDRAM test fails at: %08x, was %08x expected %08x\n",
(uint) p, *p, 0xaaaaaaaa);
return 1;
}
}
/*55*/
for (p = pstart; p < pend; p++)
*p = 0x55555555;
for (p = pstart; p < pend; p++) {
if (*p != 0x55555555) {
printf ("SDRAM test fails at: %08x, was %08x expected %08x\n",
(uint) p, *p, 0x55555555);
return 1;
}
}
/*addr*/
for (p = pstart; p < pend; p++)
*p = (unsigned)p;
for (p = pstart; p < pend; p++) {
if (*p != (unsigned)p) {
printf ("SDRAM test fails at: %08x, was %08x expected %08x\n",
(uint) p, *p, (uint)p);
return 1;
}
}
printf ("Success. ");
}
printf ("Enable ECC..");
mtdcr (SDRAM0_CFGADDR, SDRAM0_CFG);
tmp = (mfdcr (SDRAM0_CFGDATA) & ~0xFFE00000) | 0x90800000;
mtdcr (SDRAM0_CFGADDR, SDRAM0_CFG);
mtdcr (SDRAM0_CFGDATA, tmp);
udelay (600);
for (p = (unsigned long) 0; ((unsigned long) p < L1_MEMSIZE); *p++ = 0L)
;
udelay (400);
mtdcr (SDRAM0_CFGADDR, SDRAM0_ECCCFG);
tmp = mfdcr (SDRAM0_CFGDATA);
tmp |= 0x00800000;
mtdcr (SDRAM0_CFGDATA, tmp);
udelay (400);
printf ("enabled.\n");
return (0);
}
/* ------------------------------------------------------------------------- */
static u8 *dhcp_env_update (u8 thing, u8 * pop)
{
u8 i, oplen;
oplen = *(pop + 1);
if ((Things[thing].dhcpvalue = malloc (oplen)) == NULL) {
printf ("Whoops! failed to malloc space for DHCP thing %s\n",
Things[thing].envname);
return NULL;
}
for (i = 0; (i < oplen); i++)
if ((*(Things[thing].dhcpvalue + i) = *(pop + 2 + i)) == ' ')
break;
*(Things[thing].dhcpvalue + i) = '\0';
/* set env. */
if (Things[thing].envname)
{
setenv (Things[thing].envname, Things[thing].dhcpvalue);
}
return ((u8 *)(Things[thing].dhcpvalue));
}
/* ------------------------------------------------------------------------- */
u8 *dhcp_vendorex_prep (u8 * e)
{
u8 thing;
/* ask for the things I want. */
*e++ = 55; /* Parameter Request List */
*e++ = N_THINGS;
for (thing = 0; thing < N_THINGS; thing++)
*e++ = Things[thing].dhcp_option;
*e++ = 255;
return e;
}
/* ------------------------------------------------------------------------- */
/* .. return NULL means it wasnt mine, non-null means I got it..*/
u8 *dhcp_vendorex_proc (u8 * pop)
{
u8 oplen, *sub_op, sub_oplen, *retval;
u8 thing = 0;
retval = NULL;
oplen = *(pop + 1);
/* if pop is vender spec indicator, there are sub-options. */
if (*pop == DHCP_VENDOR_SPECX) {
for (sub_op = pop + 2;
oplen && (sub_oplen = *(sub_op + 1));
oplen -= sub_oplen, sub_op += (sub_oplen + 2)) {
for (thing = 0; thing < N_THINGS; thing++) {
if (*sub_op == Things[thing].dhcp_vendor_option) {
if (!(retval = dhcp_env_update (thing, sub_op))) {
return NULL;
}
}
}
}
} else {
for (thing = 0; thing < N_THINGS; thing++) {
if (*pop == Things[thing].dhcp_option)
if (!(retval = dhcp_env_update (thing, pop)))
return NULL;
}
}
return (pop);
}

6
board/cray/L1/MAINTAINERS
View File

@ -1,6 +0,0 @@
L1 BOARD
#M: David Updegraff <dave@cray.com>
S: Orphan (since 2014-03)
F: board/cray/L1/
F: include/configs/CRAYL1.h
F: configs/CRAYL1_defconfig

23
board/cray/L1/Makefile
View File

@ -1,23 +0,0 @@
#
# (C) Copyright 2000-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# SPDX-License-Identifier: GPL-2.0+
#
obj-y = L1.o flash.o
obj-y += init.o
obj-y += bootscript.o
quiet_cmd_awk = AWK $@
cmd_awk = od -t x1 -v -A x $< | $(AWK) -f $(filter-out $<,$^) > $@
$(obj)/bootscript.c: $(obj)/bootscript.image $(src)/x2c.awk
$(call cmd,awk)
MKIMAGEFLAGS_bootscript.image := -A ppc -O linux -T script -C none \
-a 0 -e 0 -n bootscript
$(obj)/bootscript.image: $(src)/bootscript.hush
$(call cmd,mkimage)
clean-files := bootscript.c bootscript.image

117
board/cray/L1/bootscript.hush
View File

@ -1,117 +0,0 @@
# $Header$
# hush bootscript for PPCBOOT on L1
# note: all #s are in hex, do _NOT_ prefix it with 0x
flash_rfs=ffc00000
flash_krl=fff00000
tftp_addr=100000
tftp2_addr=1000000
if printenv booted
then
echo already booted before
else
echo first boot in environment, create and save settings
setenv booted OK
saveenv
fi
setenv autoload no
# clear out stale env stuff, so we get fresh from dhcp.
for setting in initrd fromflash kernel rootfs rootpath
do
setenv $setting
done
dhcp
# if host provides us with a different bootscript, us it.
if printenv bootscript
then
tftp $tftp_addr $bootcript
if imi $tftp_addr
then
source $tftp_addr
fi
fi
# default base kernel arguments.
setenv bootargs $xbootargs devfs=mount ip=$ipaddr:$serverip:$gatewayip:$netmask:L1:eth0:off wdt=120
# Have a kernel in flash?
if imi $flash_krl
then
echo ok kernel to boot from $flash_krl
setenv kernel $flash_krl
else
echo no kernel to boot from $flash_krl, need tftp
fi
# Have a rootfs in flash?
echo test for SQUASHfs at $flash_rfs
if imi $flash_rfs
then
echo appears to be a good initrd image at base of flash OK
setenv rootfs $flash_rfs
else
echo no image at base of flash, need nfsroot or initrd
fi
# I boot from flash if told to and I can.
if printenv fromflash && printenv kernel && printenv rootfs
then
echo booting entirely from flash
setenv bootargs root=/dev/ram0 rw $bootargs
bootm $kernel $rootfs
echo oh no failed so I try some other stuff
fi
# TFTP down a kernel
if printenv bootfile
then
tftp $tftp_addr $bootfile
setenv kernel $tftp_addr
echo I will boot the TFTP kernel
else
if printenv kernel
then
echo no bootfile specified, will use one from flash
else
setenv bootfile /opt/crayx1/craymcu/l1/flash/linux.image
echo OH NO! we have no bootfile,nor flash kernel! try default: $bootfile
tftp $tftp_addr $bootfile
setenv kernel $tftp_addr
fi
fi
# the rootfs.
if printenv rootpath
then
echo rootpath is $rootpath
if printenv initrd
then
echo initrd is also specified, so use $initrd
tftp $tftp2_addr $initrd
setenv bootargs root=/dev/ram0 rw cwsroot=$serverip:$rootpath $bootargs
bootm $kernel $tftp2_addr
else
echo initrd is not specified, so use NFSROOT $rootpat
setenv bootargs root=/dev/nfs ro nfsroot=$serverip:$rootpath $bootargs
bootm $kernel
fi
else
echo we have no rootpath check for one in flash
if printenv rootfs
then
echo I will use the one in flash
setenv bootargs root=/dev/mtdblock/0 ro rootfstype=squashfs $bootargs
bootm $kernel
else
setenv rootpath /export/crayl1
echo OH NO! we have no rootpath,nor flash kernel! try default: $rootpath
setenv bootargs root=/dev/mtdblock/0 ro rootfstype=squashfs $bootargs
bootm $kernel
fi
fi
reset

451
board/cray/L1/flash.c
View File

@ -1,451 +0,0 @@
/*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
/*
* Modified 4/5/2001
* Wait for completion of each sector erase command issued
* 4/5/2001
* Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
*/
/*
* Modified July 20, 2001
* Strip down to support ONLY the AMD29F032B.
* Dave Updegraff - Cray, Inc. dave@cray.com
*/
#include <common.h>
#include <asm/ppc4xx.h>
#include <asm/processor.h>
/* The flash chip we use... */
#define AMD_ID_F032B 0x41 /* 29F032B ID 32 Mbit,64 64Kx8 sectors */
#define FLASH_AM320B 0x0009
flash_info_t flash_info[CONFIG_SYS_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);
#define ADDR0 0x5555
#define ADDR1 0x2aaa
#define FLASH_WORD_SIZE unsigned char
/*-----------------------------------------------------------------------
*/
unsigned long flash_init (void)
{
unsigned long size_b0, size_b1;
int i;
/* Init: no FLASHes known */
for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
flash_info[i].flash_id = FLASH_UNKNOWN;
}
/* Static FLASH Bank configuration here - FIXME XXX */
size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]);
if (flash_info[0].flash_id == FLASH_UNKNOWN) {
printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
size_b0, size_b0<<20);
}
/* Only one bank */
if (CONFIG_SYS_MAX_FLASH_BANKS == 1)
{
/* Setup offsets */
flash_get_offsets (FLASH_BASE0_PRELIM, &flash_info[0]);
#if 0
/* Monitor protection ON by default */
(void)flash_protect(FLAG_PROTECT_SET,
FLASH_BASE0_PRELIM,
FLASH_BASE0_PRELIM+monitor_flash_len-1,
&flash_info[0]);
#endif
size_b1 = 0 ;
flash_info[0].size = size_b0;
}
return (size_b0 + size_b1);
}
/*-----------------------------------------------------------------------
*/
static void flash_get_offsets (ulong base, flash_info_t *info)
{
int i;
/* set up sector start address table */
for (i = 0; i < info->sector_count; i++)
info->start[i] = base + (i * 0x00010000);
}
/*-----------------------------------------------------------------------
*/
void flash_print_info (flash_info_t *info)
{
int i;
int k;
int size;
int erased;
volatile unsigned long *flash;
if (info->flash_id == FLASH_UNKNOWN) {
printf ("missing or unknown FLASH type\n");
return;
}
switch (info->flash_id & FLASH_VENDMASK) {
case FLASH_MAN_AMD: printf ("AMD "); break;
default: printf ("Unknown Vendor "); break;
}
switch (info->flash_id & FLASH_TYPEMASK) {
case FLASH_AM320B:printf ("AM29F032B (32 Mbit 64x64KB uniform sectors)\n");
break;
default: printf ("Unknown Chip Type\n");
break;
}
printf (" Size: %ld KB in %d Sectors\n",
info->size >> 10, info->sector_count);
printf (" Sector Start Addresses:");
for (i=0; i<info->sector_count; ++i) {
/*
* Check if whole sector is erased
*/
if (i != (info->sector_count-1))
size = info->start[i+1] - info->start[i];
else
size = info->start[0] + info->size - info->start[i];
erased = 1;
flash = (volatile unsigned long *)info->start[i];
size = size >> 2; /* divide by 4 for longword access */
for (k=0; k<size; k++)
{
if (*flash++ != 0xffffffff)
{
erased = 0;
break;
}
}
if ((i % 5) == 0)
printf ("\n ");
printf (" %08lX%s%s",
info->start[i],
erased ? " E" : " ",
info->protect[i] ? "RO " : " "
);
}
printf ("\n");
}
/*-----------------------------------------------------------------------
*/
/*-----------------------------------------------------------------------
*/
/*
* The following code cannot be run from FLASH!
*/
static ulong flash_get_size (vu_long *addr, flash_info_t *info)
{
short i;
FLASH_WORD_SIZE value;
ulong base = (ulong)addr;
volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)addr;
/* Write auto select command: read Manufacturer ID */
addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
addr2[ADDR0] = (FLASH_WORD_SIZE)0x00900090;
value = addr2[0];
switch (value) {
case (FLASH_WORD_SIZE)AMD_MANUFACT:
info->flash_id = FLASH_MAN_AMD;
break;
default:
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
return (0); /* no or unknown flash */
}
value = addr2[1]; /* device ID */
switch (value) {
case (FLASH_WORD_SIZE)AMD_ID_F032B:
info->flash_id += FLASH_AM320B;
info->sector_count = 64;
info->size = 0x0400000; /* => 4 MB */
break;
default:
info->flash_id = FLASH_UNKNOWN;
return (0); /* => no or unknown flash */
}
/* set up sector start address table */
for (i = 0; i < info->sector_count; i++)
info->start[i] = base + (i * 0x00010000);
/* check for protected sectors */
for (i = 0; i < info->sector_count; i++) {
/* read sector protection at sector address, (A7 .. A0) = 0x02 */
/* D0 = 1 if protected */
addr2 = (volatile FLASH_WORD_SIZE *)(info->start[i]);
info->protect[i] = addr2[2] & 1;
}
/*
* Prevent writes to uninitialized FLASH.
*/
if (info->flash_id != FLASH_UNKNOWN) {
addr2 = (FLASH_WORD_SIZE *)info->start[0];
*addr2 = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
}
return (info->size);
}
int wait_for_DQ7(flash_info_t *info, int sect)
{
ulong start, now, last;
volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[sect]);
start = get_timer (0);
last = start;
while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (FLASH_WORD_SIZE)0x00800080) {
if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
return -1;
}
/* show that we're waiting */
if ((now - last) > 1000) { /* every second */
putc ('.');
last = now;
}
}
return 0;
}
/*-----------------------------------------------------------------------
*/
int flash_erase (flash_info_t *info, int s_first, int s_last)
{
volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[0]);
volatile FLASH_WORD_SIZE *addr2;
int flag, prot, sect;
if ((s_first < 0) || (s_first > s_last)) {
if (info->flash_id == FLASH_UNKNOWN) {
printf ("- missing\n");
} else {
printf ("- no sectors to erase\n");
}
return 1;
}
if (info->flash_id == FLASH_UNKNOWN) {
printf ("Can't erase unknown flash type - aborted\n");
return 1;
}
prot = 0;
for (sect=s_first; sect<=s_last; ++sect) {
if (info->protect[sect]) {
prot++;
}
}
if (prot) {
printf ("- Warning: %d protected sectors will not be erased!\n",
prot);
} else {
printf ("\n");
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
/* Start erase on unprotected sectors */
for (sect = s_first; sect<=s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
addr2 = (FLASH_WORD_SIZE *)(info->start[sect]);
printf("Erasing sector %p\n", addr2);
addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080;
addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
addr2[0] = (FLASH_WORD_SIZE)0x00300030; /* sector erase */
/*
* Wait for each sector to complete, it's more
* reliable. According to AMD Spec, you must
* issue all erase commands within a specified
* timeout. This has been seen to fail, especially
* if printf()s are included (for debug)!!
*/
wait_for_DQ7(info, sect);
}
}
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* wait at least 80us - let's wait 1 ms */
udelay (1000);
/* reset to read mode */
addr = (FLASH_WORD_SIZE *)info->start[0];
addr[0] = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
printf (" done\n");
return 0;
}
/*-----------------------------------------------------------------------
* Copy memory to flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
{
ulong cp, wp, data;
int i, l, rc;
wp = (addr & ~3); /* get lower word aligned address */
/*
* handle unaligned start bytes
*/
if ((l = addr - wp) != 0) {
data = 0;
for (i=0, cp=wp; i<l; ++i, ++cp) {
data = (data << 8) | (*(uchar *)cp);
}
for (; i<4 && cnt>0; ++i) {
data = (data << 8) | *src++;
--cnt;
++cp;
}
for (; cnt==0 && i<4; ++i, ++cp) {
data = (data << 8) | (*(uchar *)cp);
}
if ((rc = write_word(info, wp, data)) != 0) {
return (rc);
}
wp += 4;
}
/*
* handle word aligned part
*/
while (cnt >= 4) {
data = 0;
for (i=0; i<4; ++i) {
data = (data << 8) | *src++;
}
if ((rc = write_word(info, wp, data)) != 0) {
return (rc);
}
wp += 4;
cnt -= 4;
}
if (cnt == 0) {
return (0);
}
/*
* handle unaligned tail bytes
*/
data = 0;
for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
data = (data << 8) | *src++;
--cnt;
}
for (; i<4; ++i, ++cp) {
data = (data << 8) | (*(uchar *)cp);
}
return (write_word(info, wp, data));
}
/*-----------------------------------------------------------------------
* Write a word to Flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
static int write_word (flash_info_t *info, ulong dest, ulong data)
{
volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)(info->start[0]);
volatile FLASH_WORD_SIZE *dest2 = (FLASH_WORD_SIZE *)dest;
volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *)&data;
ulong start;
int flag;
int i;
/* Check if Flash is (sufficiently) erased */
if ((*((volatile FLASH_WORD_SIZE *)dest) &
(FLASH_WORD_SIZE)data) != (FLASH_WORD_SIZE)data) {
return (2);
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
for (i=0; i<4/sizeof(FLASH_WORD_SIZE); i++)
{
addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
addr2[ADDR0] = (FLASH_WORD_SIZE)0x00A000A0;
dest2[i] = data2[i];
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* data polling for D7 */
start = get_timer (0);
while ((dest2[i] & (FLASH_WORD_SIZE)0x00800080) !=
(data2[i] & (FLASH_WORD_SIZE)0x00800080)) {
if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
return (1);
}
}
}
return (0);
}
/*-----------------------------------------------------------------------
*/

117
board/cray/L1/init.S
View File

@ -1,117 +0,0 @@
/*
* SPDX-License-Identifier: GPL-2.0 IBM-pibs
*/
/*----------------------------------------------------------------------------- */
/* Function: ext_bus_cntlr_init */
/* Description: Initializes the External Bus Controller for the external */
/* peripherals. IMPORTANT: For pass1 this code must run from */
/* cache since you can not reliably change a peripheral banks */
/* timing register (pbxap) while running code from that bank. */
/* For ex., since we are running from ROM on bank 0, we can NOT */
/* execute the code that modifies bank 0 timings from ROM, so */
/* we run it from cache. */
/* Bank 0 - Flash and SRAM */
/* Bank 1 - NVRAM/RTC */
/* Bank 2 - Keyboard/Mouse controller */
/* Bank 3 - IR controller */
/* Bank 4 - not used */
/* Bank 5 - not used */
/* Bank 6 - not used */
/* Bank 7 - FPGA registers */
/*-----------------------------------------------------------------------------#include <config.h> */
#include <asm/ppc4xx.h>
#include <ppc_asm.tmpl>
#include <ppc_defs.h>
#include <asm/cache.h>
#include <asm/mmu.h>
/* CRAY - L1: only nominally a 'walnut', since ext.Bus.Cntlr is all empty */
/* except for #1 which we use for DMA'ing to IOCA-like things, so the */
/* control registers to set that up are determined by what we've */
/* empirically discovered work there. */
.globl ext_bus_cntlr_init
ext_bus_cntlr_init:
mflr r4 /* save link register */
bl ..getAddr
..getAddr:
mflr r3 /* get address of ..getAddr */
mtlr r4 /* restore link register */
addi r4,0,14 /* set ctr to 10; used to prefetch */
mtctr r4 /* 10 cache lines to fit this function */
/* in cache (gives us 8x10=80 instrctns) */
..ebcloop:
icbt r0,r3 /* prefetch cache line for addr in r3 */
addi r3,r3,32 /* move to next cache line */
bdnz ..ebcloop /* continue for 10 cache lines */
/*------------------------------------------------------------------- */
/* Delay to ensure all accesses to ROM are complete before changing */
/* bank 0 timings. 200usec should be enough. */
/* 200,000,000 (cycles/sec) X .000200 (sec) = 0x9C40 cycles */
/*------------------------------------------------------------------- */
addis r3,0,0x0
ori r3,r3,0xA000 /* ensure 200usec have passed since reset */
mtctr r3
..spinlp:
bdnz ..spinlp /* spin loop */
/*---------------------------------------------------------------------- */
/* Peripheral Bank 0 (Flash) initialization */
/*---------------------------------------------------------------------- */
/* 0x7F8FFE80 slowest boot */
addi r4,0,PB1AP
mtdcr EBC0_CFGADDR,r4
addis r4,0,0x9B01
ori r4,r4,0x5480
mtdcr EBC0_CFGDATA,r4
addi r4,0,PB0CR
mtdcr EBC0_CFGADDR,r4
addis r4,0,0xFFC5 /* BAS=0xFFC,BS=0x4(4MB),BU=0x3(R/W), */
ori r4,r4,0x8000 /* BW=0x0( 8 bits) */
mtdcr EBC0_CFGDATA,r4
blr
/*---------------------------------------------------------------------- */
/* Peripheral Bank 1 (NVRAM/RTC) initialization */
/* CRAY:the L1 has NOT this bank, it is tied to SV2/IOCA/etc/ instead */
/* and we do DMA on it. The ConfigurationRegister part is threfore */
/* almost arbitrary, except that our linux driver needs to know the */
/* address, but it can query, it.. */
/* */
/* The AccessParameter is CRITICAL, */
/* thouch, since it needs to agree with the electrical timings on the */
/* IOCA parallel interface. That value is: 0x0185,4380 */
/* BurstModeEnable BME=0 */
/* TransferWait TWT=3 */
/* ChipSelectOnTiming CSN=1 */
/* OutputEnableOnTimimg OEN=1 */
/* WriteByteEnableOnTiming WBN=1 */
/* WriteByteEnableOffTiming WBF=0 */
/* TransferHold TH=1 */
/* ReadyEnable RE=1 */
/* SampleOnReady SOR=1 */
/* ByteEnableMode BEM=0 */
/* ParityEnable PEN=0 */
/* all reserved bits=0 */
/*---------------------------------------------------------------------- */
/*---------------------------------------------------------------------- */
addi r4,0,PB1AP
mtdcr EBC0_CFGADDR,r4
addis r4,0,0x0185 /* hiword */
ori r4,r4,0x4380 /* loword */
mtdcr EBC0_CFGDATA,r4
addi r4,0,PB1CR
mtdcr EBC0_CFGADDR,r4
addis r4,0,0xF001 /* BAS=0xF00,BS=0x0(1MB),BU=0x3(R/W), */
ori r4,r4,0x8000 /* BW=0x0( 8 bits) */
mtdcr EBC0_CFGDATA,r4
blr

30
board/cray/L1/patchme
View File

@ -1,30 +0,0 @@
# master confi.mk
echo "CROSS_COMPILE = powerpc-linux-" >>include/config.mk
# patch the examples/Makefile to ignore return value from OBJCOPY
sed -e 's/$(OBJCOPY)/-&/' < examples/Makefile > examples/makefile
# add a built target for mkimage on the target architecture
sed -e 's/^all:.*$/all: .depend envcrc mkimage mkimage.ppc/' < tools/Makefile > tools/makefile
cat <<EOF >>tools/makefile
mkimage.ppc : mkimage.o.ppc crc32.o.ppc
powerpc-linux-gcc -msoft-float -Wall -Wstrict-prototypes -o \$@ \$^
powerpc-linux-strip $@
XFLAGS="-D__KERNEL__ -I../include -DCONFIG_4xx -Wall -Wstict-prototypes"
mkimage.o.ppc: mkimage.c
powerpc-linux-gcc -msoft-float -Wall -I../include -c -o \$@ \$^
crc32.o.ppc: crc32.c
powerpc-linux-gcc -msoft-float -Wall -I../include -c -o \$@ \$^
EOF
# make an image by default out of the u-boot image
sed -e 's/^all:.*$/all: u-boot.image /' < Makefile > makefile
cat <<EOF >>makefile
u-boot.image: u-boot.bin
tools/mkimage -A ppc -O linux -T firmware -C none -a 0 -e 0 -n U-Boot -d \$^ \$@
EOF

121
board/cray/L1/u-boot.lds.debug
View File

@ -1,121 +0,0 @@
/*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
OUTPUT_ARCH(powerpc)
/* Do we need any of these for elf?
__DYNAMIC = 0; */
SECTIONS
{
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
.text :
{
/* WARNING - the following is hand-optimized to fit within */
/* the sector layout of our flash chips! XXX FIXME XXX */
mpc8xx/start.o (.text)
common/dlmalloc.o (.text)
lib/vsprintf.o (.text)
lib/crc32.o (.text)
arch/powerpc/lib/extable.o (.text)
common/env_embedded.o(.text)
*(.text)
*(.got1)
}
_etext = .;
PROVIDE (etext = .);
.rodata :
{
*(.rodata)
*(.rodata1)
*(.rodata.str1.4)
*(.eh_frame)
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }
.dtors : { *(.dtors) }
/* Read-write section, merged into data segment: */
. = (. + 0x0FFF) & 0xFFFFF000;
_erotext = .;
PROVIDE (erotext = .);
.reloc :
{
*(.got)
_GOT2_TABLE_ = .;
*(.got2)
_FIXUP_TABLE_ = .;
*(.fixup)
}
__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
__fixup_entries = (. - _FIXUP_TABLE_)>>2;
.data :
{
*(.data)
*(.data1)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
}
_edata = .;
PROVIDE (edata = .);
. = ALIGN(4);
.u_boot_list : {
KEEP(*(SORT(.u_boot_list*)));
}
__start___ex_table = .;
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
. = ALIGN(4096);
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
. = ALIGN(4096);
__init_end = .;
__bss_start = .;
.bss :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
}
__bss_end = . ;
PROVIDE (end = .);
}

6
board/cray/L1/x2c.awk
View File

@ -1,6 +0,0 @@
#!/bin/awk
BEGIN { print "unsigned char bootscript[] = { \n"}
{ for (i = 2; i <= NF ; i++ ) printf "0x"$i","
print ""
}
END { print "\n};\n" }

3
configs/CRAYL1_defconfig
View File

@ -1,3 +0,0 @@
CONFIG_PPC=y
CONFIG_4xx=y
CONFIG_TARGET_CRAYL1=y

1
doc/README.scrapyard
View File

@ -12,6 +12,7 @@ The list should be sorted in reverse chronological order.
Board Arch CPU Commit Removed Last known maintainer/contact
=================================================================================================
CRAYL1 powerpc ppc4xx - - David Updegraff <dave@cray.com>
KAREF powerpc ppc4xx - - Travis Sawyer <travis.sawyer@sandburst.com>
METROBOX powerpc ppc4xx - - Travis Sawyer <travis.sawyer@sandburst.com>
PK1C20 nios2 - 70fbc461 2014-08-24 Scott McNutt <smcnutt@psyent.com>

228
include/configs/CRAYL1.h
View File

@ -1,228 +0,0 @@
/*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
* David Updegraff, Cray, Inc. dave@cray.com: our 405 is walnut-lite..
*
* SPDX-License-Identifier: GPL-2.0+
*/
/*
* board/config.h - configuration options, board specific
*/
#ifndef __CONFIG_H
#define __CONFIG_H
#define CONFIG_CRAYL1
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_405GP 1 /* This is a PPC405 CPU */
/*
* Note: I make an "image" from U-Boot itself, which prefixes 0x40
* bytes of header info, hence start address is thus shifted.
*/
#define CONFIG_SYS_TEXT_BASE 0xFFFD0040
#define CONFIG_SYS_CLK_FREQ 25000000
#define CONFIG_BAUDRATE 9600
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
#define CONFIG_PPC4xx_EMAC
#define CONFIG_MII 1 /* MII PHY management */
#define CONFIG_PHY_ADDR 1 /* PHY address; handling of ENET */
#define CONFIG_BOARD_EARLY_INIT_F 1 /* early setup for 405gp */
#define CONFIG_MISC_INIT_R 1 /* so that a misc_init_r() is called */
#define CONFIG_CONS_INDEX 1 /* Use UART0 */
#define CONFIG_SYS_NS16550
#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE 1
#define CONFIG_SYS_NS16550_CLK get_serial_clock()
/* set PRAM to keep U-Boot out, mem= to keep linux out, and initrd_hi to
* keep possible initrd ramdisk decompression out. This is in k (1024 bytes)
#define CONFIG_PRAM 16
*/
#define CONFIG_LOADADDR 0x100000 /* where TFTP images go */
#undef CONFIG_BOOTARGS
/* Bootcmd is overridden by the bootscript in board/cray/L1
*/
#define CONFIG_SYS_AUTOLOAD "no"
#define CONFIG_BOOTCOMMAND "dhcp"
/*
* ..during experiments..
#define CONFIG_SERVERIP 10.0.0.1
#define CONFIG_ETHADDR 00:40:a6:80:14:5
*/
#define CONFIG_SYS_I2C
#define CONFIG_SYS_I2C_PPC4XX
#define CONFIG_SYS_I2C_PPC4XX_CH0
#define CONFIG_SDRAM_BANK0 1
#define CONFIG_SYS_I2C_PPC4XX_SPEED_0 400000
#define CONFIG_SYS_I2C_PPC4XX_SLAVE_0 0x7F
#define CONFIG_SYS_I2C_EEPROM_ADDR 0x57
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
#define CONFIG_IDENT_STRING "Cray L1"
#define CONFIG_ENV_OVERWRITE 1
#define CONFIG_SYS_HUSH_PARSER 1
#define CONFIG_SOURCE 1
/*
* Command line configuration.
*/
#define CONFIG_CMD_ASKENV
#define CONFIG_CMD_BDI
#define CONFIG_CMD_CONSOLE
#define CONFIG_CMD_DATE
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_DIAG
#define CONFIG_CMD_ECHO
#define CONFIG_CMD_EEPROM
#define CONFIG_CMD_FLASH
#define CONFIG_CMD_I2C
#define CONFIG_CMD_IMI
#define CONFIG_CMD_IMMAP
#define CONFIG_CMD_MEMORY
#define CONFIG_CMD_NET
#define CONFIG_CMD_REGINFO
#define CONFIG_CMD_RUN
#define CONFIG_CMD_SAVEENV
#define CONFIG_CMD_SETGETDCR
#define CONFIG_CMD_SOURCE
/*
* BOOTP options
*/
#define CONFIG_BOOTP_SUBNETMASK
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_VENDOREX
#define CONFIG_BOOTP_DNS
#define CONFIG_BOOTP_BOOTFILESIZE
/*
* how many time to fail & restart a net-TFTP before giving up & resetting
* the board hoping that a reset of net interface might help..
*/
#define CONFIG_NET_RESET 5
/*
* bauds. Just to make it compile; in our case, I read the base_baud
* from the DCR anyway, so its kinda-tied to the above ref. clock which in turn
* drives the system clock.
*/
#define CONFIG_SYS_BASE_BAUD 403225
#define CONFIG_SYS_BAUDRATE_TABLE \
{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
/*
* Miscellaneous configurable options
*/
#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
#define CONFIG_SYS_LOAD_ADDR 0x100000 /* where to load what we get from TFTP */
#define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_into (bd_t) */
#define CONFIG_SYS_DRAM_TEST 1
/*-----------------------------------------------------------------------
* Start addresses for the final memory configuration
* (Set up by the startup code)
* Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
*/
#define CONFIG_SYS_SDRAM_BASE 0x00000000
#define CONFIG_SYS_FLASH_BASE 0xFFC00000
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_MONITOR_LEN (192 * 1024) /* Reserve 192 kB for Monitor */
/*
* For booting Linux, the board info and command line data
* have to be in the first 8 MB of memory, since this is
* the maximum mapped by the Linux kernel during initialization.
*/
#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
/*-----------------------------------------------------------------------
* FLASH organization
*/
#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CONFIG_SYS_MAX_FLASH_SECT 64 /* max number of sectors on one chip */
#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
/* BEG ENVIRONNEMENT FLASH: needs to be a whole FlashSector */
#define CONFIG_ENV_OFFSET 0x3c8000
#define CONFIG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
#define CONFIG_ENV_SIZE 0x1000 /* Total Size of Environment area */
#define CONFIG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
/* Memory tests: U-BOOT relocates itself to the top of Ram, so its at
* 32meg-(128k+some_malloc_space+copy-of-ENV sector)..
*/
#define CONFIG_SYS_SDRAM_SIZE 32 /* megs of ram */
#define CONFIG_SYS_MEMTEST_START 0x2000 /* memtest works from the end of */
/* the exception vector table */
/* to the end of the DRAM */
/* less monitor and malloc area */
#define CONFIG_SYS_STACK_USAGE 0x10000 /* Reserve 64k for the stack usage */
#define CONFIG_SYS_MALLOC_LEN (128 << 10) /* 128k for malloc space */
#define CONFIG_SYS_MEM_END_USAGE ( CONFIG_SYS_MONITOR_LEN \
+ CONFIG_SYS_MALLOC_LEN \
+ CONFIG_ENV_SECT_SIZE \
+ CONFIG_SYS_STACK_USAGE )
#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_SIZE * 1024 * 1024 - CONFIG_SYS_MEM_END_USAGE)
/* END ENVIRONNEMENT FLASH */
/*
* Init Memory Controller:
*
* BR0/1 and OR0/1 (FLASH)
*/
#define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area (in OnChipMem )
*/
#if 1
/* On Chip Memory location */
#define CONFIG_SYS_TEMP_STACK_OCM 1
#define CONFIG_SYS_OCM_DATA_ADDR 0xF0000000
#define CONFIG_SYS_OCM_DATA_SIZE 0x1000
#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR /* inside of SDRAM */
#define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_OCM_DATA_SIZE /* Size of used area in RAM */
#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
#else
#define CONFIG_SYS_OCM_DATA_ADDR 0xF0000000
#define CONFIG_SYS_OCM_DATA_SIZE 0x1000
#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR /* inside of On Chip SRAM */
#define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_OCM_DATA_SIZE /* Size of On Chip SRAM */
#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
#endif
/*-----------------------------------------------------------------------
* Definitions for Serial Presence Detect EEPROM address
*/
#define EEPROM_WRITE_ADDRESS 0xA0
#define EEPROM_READ_ADDRESS 0xA1
#endif /* __CONFIG_H */