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wdenk 2002-09-17 21:26:59 +00:00
parent 0669d4d315
commit e69b4b8f1c
15 changed files with 3188 additions and 0 deletions
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57
board/eltec/bab7xx/Makefile Normal file
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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
#
include $(TOPDIR)/config.mk
LIB = lib$(BOARD).a
OBJS = $(BOARD).o flash.o pci.o misc.o el_srom.o dc_srom.o l2cache.o
SOBJS = asm_init.o
$(LIB): .depend $(OBJS) $(SOBJS)
$(AR) crv $@ $^
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
sinclude .depend
#########################################################################

26
board/eltec/bab7xx/config.mk Normal file
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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
#
TEXT_BASE = 0xFFF00000
PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE)

291
board/eltec/bab7xx/dc_srom.c Normal file
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/*
* (C) Copyright 2002 ELTEC Elektronik AG
* Frank Gottschling <fgottschling@eltec.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
*/
/*
* SRom I/O routines.
*/
#include <common.h>
#include <pci.h>
#include "srom.h"
#define SROM_RD 0x00004000 /* Read from Boot ROM */
#define SROM_WR 0x00002000 /* Write to Boot ROM */
#define SROM_SR 0x00000800 /* Select Serial ROM when set */
#define DT_IN 0x00000004 /* Serial Data In */
#define DT_CLK 0x00000002 /* Serial ROM Clock */
#define DT_CS 0x00000001 /* Serial ROM Chip Select */
static u_int dc_srom_iobase;
/*----------------------------------------------------------------------------*/
static int inl(u_long addr)
{
return le32_to_cpu(*(volatile u_long *)(addr));
}
/*----------------------------------------------------------------------------*/
static void outl (int command, u_long addr)
{
*(volatile u_long *)(addr) = cpu_to_le32(command);
}
/*----------------------------------------------------------------------------*/
static void sendto_srom(u_int command, u_long addr)
{
outl(command, addr);
udelay(1);
return;
}
/*----------------------------------------------------------------------------*/
static int getfrom_srom(u_long addr)
{
s32 tmp;
tmp = inl(addr);
udelay(1);
return tmp;
}
/*----------------------------------------------------------------------------*/
static void srom_latch (u_int command, u_long addr)
{
sendto_srom (command, addr);
sendto_srom (command | DT_CLK, addr);
sendto_srom (command, addr);
return;
}
/*----------------------------------------------------------------------------*/
static void srom_command_rd (u_int command, u_long addr)
{
srom_latch (command, addr);
srom_latch (command, addr);
srom_latch ((command & 0x0000ff00) | DT_CS, addr);
return;
}
/*----------------------------------------------------------------------------*/
static void srom_command_wr (u_int command, u_long addr)
{
srom_latch (command, addr);
srom_latch ((command & 0x0000ff00) | DT_CS, addr);
srom_latch (command, addr);
return;
}
/*----------------------------------------------------------------------------*/
static void srom_address(u_int command, u_long addr, u_char offset)
{
int i;
signed char a;
a = (char)(offset << 2);
for (i=0; i<6; i++, a <<= 1)
{
srom_latch(command | ((a < 0) ? DT_IN : 0), addr);
}
udelay(1);
i = (getfrom_srom(addr) >> 3) & 0x01;
return;
}
/*----------------------------------------------------------------------------*/
static short srom_data_rd (u_int command, u_long addr)
{
int i;
short word = 0;
s32 tmp;
for (i=0; i<16; i++)
{
sendto_srom(command | DT_CLK, addr);
tmp = getfrom_srom(addr);
sendto_srom(command, addr);
word = (word << 1) | ((tmp >> 3) & 0x01);
}
sendto_srom(command & 0x0000ff00, addr);
return word;
}
/*----------------------------------------------------------------------------*/
static int srom_data_wr (u_int command, u_long addr, short val)
{
int i;
u_long longVal;
s32 tmp;
longVal = (u_long)(le16_to_cpu(val));
for (i=0; i<16; i++)
{
tmp = (longVal & 0x8000)>>13;
sendto_srom (tmp | command, addr);
sendto_srom (tmp | command | DT_CLK, addr);
sendto_srom (tmp | command, addr);
longVal = longVal<<1;
}
sendto_srom(command & 0x0000ff00, addr);
sendto_srom(command, addr);
tmp = 100;
do
{
if ((getfrom_srom(dc_srom_iobase) & 0x8) == 0x8)
break;
udelay(1000);
} while (--tmp);
if (tmp == 0)
{
printf("Write DEC21143 SRom timed out !\n");
return (-1);
}
return 0;
}
/*----------------------------------------------------------------------------*/
static short srom_rd (u_long addr, u_char offset)
{
sendto_srom (SROM_RD | SROM_SR, addr);
srom_latch (SROM_RD | SROM_SR | DT_CS, addr);
srom_command_rd (SROM_RD | SROM_SR | DT_IN | DT_CS, addr);
srom_address (SROM_RD | SROM_SR | DT_CS, addr, offset);
return srom_data_rd (SROM_RD | SROM_SR | DT_CS, addr);
}
/*----------------------------------------------------------------------------*/
static void srom_wr_enable (u_long addr)
{
int i;
sendto_srom (SROM_WR | SROM_SR, addr);
srom_latch (SROM_WR | SROM_SR | DT_CS, addr);
srom_latch (SROM_WR | SROM_SR | DT_IN | DT_CS, addr);
srom_latch (SROM_WR | SROM_SR | DT_CS, addr);
srom_latch (SROM_WR | SROM_SR | DT_CS, addr);
for (i=0; i<6; i++)
{
srom_latch (SROM_WR | SROM_SR | DT_IN | DT_CS, addr);
}
}
/*----------------------------------------------------------------------------*/
static int srom_wr (u_long addr, u_char offset, short val)
{
srom_wr_enable (addr);
sendto_srom (SROM_WR | SROM_SR, addr);
srom_latch (SROM_WR | SROM_SR | DT_CS, addr);
srom_command_wr (SROM_WR | SROM_SR | DT_IN | DT_CS, addr);
srom_address (SROM_WR | SROM_SR | DT_CS, addr, offset);
return srom_data_wr (SROM_WR | SROM_SR | DT_CS, addr, val);
}
/*----------------------------------------------------------------------------*/
/*
* load data from the srom
*/
int dc_srom_load (u_short *dest)
{
int offset;
short tmp;
/* get srom iobase from local network controller */
pci_read_config_dword(PCI_BDF(0,14,0), PCI_BASE_ADDRESS_1, &dc_srom_iobase);
dc_srom_iobase &= PCI_BASE_ADDRESS_MEM_MASK;
dc_srom_iobase = pci_mem_to_phys(PCI_BDF(0,14,0), dc_srom_iobase);
dc_srom_iobase += 0x48; /* io offset for srom access */
memset (dest, 0, 128);
for (offset=0; offset<64; offset++)
{
tmp = srom_rd (dc_srom_iobase, offset);
*dest++ = le16_to_cpu(tmp);
}
return (0);
}
/*----------------------------------------------------------------------------*/
/*
* store data into the srom
*/
int dc_srom_store (u_short *src)
{
int offset;
/* get srom iobase from local network controller */
pci_read_config_dword(PCI_BDF(0,14,0), PCI_BASE_ADDRESS_1, &dc_srom_iobase);
dc_srom_iobase &= PCI_BASE_ADDRESS_MEM_MASK;
dc_srom_iobase = pci_mem_to_phys(PCI_BDF(0,14,0), dc_srom_iobase);
dc_srom_iobase += 0x48; /* io offset for srom access */
for (offset=0; offset<64; offset++)
{
if (srom_wr (dc_srom_iobase, offset, *src) == -1)
return (-1);
src++;
}
return (0);
}
/*----------------------------------------------------------------------------*/

513
board/eltec/bab7xx/flash.c Normal file
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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
*/
/*
* 07-10-2002 Frank Gottschling: added 29F032 flash (ELPPC).
* fixed monitor protection part
*
* 09-18-2001 Andreas Heppel: Reduced the code in here to the usage
* of AMD's 29F040 and 29F016 flashes, since the BAB7xx does use
* any other.
*/
#include <common.h>
#include <asm/processor.h>
#include <asm/pci_io.h>
flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
ulong flash_get_size (vu_long *addr, flash_info_t *info);
static int write_word (flash_info_t *info, ulong dest, ulong data);
/*flash command address offsets*/
#define ADDR0 (0x555)
#define ADDR1 (0x2AA)
#define ADDR3 (0x001)
#define FLASH_WORD_SIZE unsigned char
/*----------------------------------------------------------------------------*/
unsigned long flash_init (void)
{
unsigned long size1, size2;
int i;
/* Init: no FLASHes known */
for (i=0; i<CFG_MAX_FLASH_BANKS; ++i)
{
flash_info[i].flash_id = FLASH_UNKNOWN;
}
/* initialise 1st flash */
size1 = 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",
size1, size1<<20);
}
/* initialise 2nd flash */
size2 = flash_get_size((vu_long *)FLASH_BASE1_PRELIM, &flash_info[1]);
if (flash_info[1].flash_id == FLASH_UNKNOWN)
{
printf ("## Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n",
size2, size2<<20);
}
/* monitor protection ON by default */
if (size1 == 512*1024)
{
(void)flash_protect(FLAG_PROTECT_SET,
FLASH_BASE0_PRELIM,
FLASH_BASE0_PRELIM+CFG_MONITOR_LEN-1,
&flash_info[0]);
}
if (size2 == 512*1024)
{
(void)flash_protect(FLAG_PROTECT_SET,
FLASH_BASE1_PRELIM,
FLASH_BASE1_PRELIM+CFG_MONITOR_LEN-1,
&flash_info[1]);
}
if (size2 == 4*1024*1024)
{
(void)flash_protect(FLAG_PROTECT_SET,
CFG_FLASH_BASE,
CFG_FLASH_BASE+CFG_MONITOR_LEN-1,
&flash_info[1]);
}
return (size1 + size2);
}
/*----------------------------------------------------------------------------*/
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");
flash_init();
}
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 AMD_ID_F040B:
printf ("AM29F040B (4 Mbit)\n");
break;
case AMD_ID_F016D:
printf ("AM29F016D (16 Mbit)\n");
break;
case AMD_ID_F032B:
printf ("AM29F032B (32 Mbit)\n");
break;
default:
printf ("Unknown Chip Type\n");
break;
}
if (info->size >= (1 << 20)) {
printf (" Size: %ld MB in %d Sectors\n", info->size >> 20, info->sector_count);
} else {
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!
*/
ulong flash_get_size (vu_long *addr, flash_info_t *info)
{
short i;
ulong vendor, devid;
ulong base = (ulong)addr;
volatile unsigned char *caddr = (unsigned char *)addr;
#ifdef DEBUG
printf("flash_get_size for address 0x%lx: \n", (unsigned long)caddr);
#endif
/* Write auto select command: read Manufacturer ID */
caddr[0] = 0xF0; /* reset bank */
udelay(10);
eieio();
caddr[0x555] = 0xAA;
udelay(10);
caddr[0x2AA] = 0x55;
udelay(10);
caddr[0x555] = 0x90;
udelay(10);
vendor = caddr[0];
devid = caddr[1];
#ifdef DEBUG
printf("Manufacturer: 0x%lx\n", vendor);
#endif
vendor &= 0xff;
devid &= 0xff;
/* We accept only two AMD types */
switch (vendor) {
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 */
}
switch (devid) {
case (FLASH_WORD_SIZE)AMD_ID_F040B:
info->flash_id |= AMD_ID_F040B;
info->sector_count = 8;
info->size = 0x00080000;
break; /* => 0.5 MB */
case (FLASH_WORD_SIZE)AMD_ID_F016D:
info->flash_id |= AMD_ID_F016D;
info->sector_count = 32;
info->size = 0x00200000;
break; /* => 2 MB */
case (FLASH_WORD_SIZE)AMD_ID_F032B:
info->flash_id |= AMD_ID_F032B;
info->sector_count = 64;
info->size = 0x00400000;
break; /* => 4 MB */
default:
info->flash_id = FLASH_UNKNOWN;
return (0); /* => no or unknown flash */
}
#ifdef DEBUG
printf("flash id 0x%lx; sector count 0x%x, size 0x%lx\n", info->flash_id, info->sector_count, info->size);
#endif
/* check for protected sectors */
for (i = 0; i < info->sector_count; i++) {
/* sector base address */
info->start[i] = base + i * (info->size / info->sector_count);
/* read sector protection at sector address, (A7 .. A0) = 0x02 */
/* D0 = 1 if protected */
caddr = (volatile unsigned char *)(info->start[i]);
info->protect[i] = caddr[2] & 1;
}
/*
* Prevent writes to uninitialized FLASH.
*/
if (info->flash_id != FLASH_UNKNOWN) {
caddr = (volatile unsigned char *)info->start[0];
caddr[0] = 0xF0; /* reset bank */
}
return (info->size);
}
/*----------------------------------------------------------------------------*/
int flash_erase (flash_info_t *info, int s_first, int s_last)
{
volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[0]);
int flag, prot, sect, l_sect;
ulong start, now, last;
int rc = 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;
}
if ((info->flash_id == FLASH_UNKNOWN) ||
(info->flash_id > FLASH_AMD_COMP)) {
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");
}
l_sect = -1;
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
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;
/* Start erase on unprotected sectors */
for (sect = s_first; sect<=s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
addr = (FLASH_WORD_SIZE *)(info->start[sect]);
if (info->flash_id & FLASH_MAN_SST) {
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;
addr[0] = (FLASH_WORD_SIZE)0x00500050; /* block erase */
udelay(30000); /* wait 30 ms */
}
else
addr[0] = (FLASH_WORD_SIZE)0x00300030; /* sector erase */
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 = (FLASH_WORD_SIZE *)(info->start[l_sect]);
while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (FLASH_WORD_SIZE)0x00800080) {
if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
return 1;
}
/* show that we're waiting */
if ((now - last) > 1000) { /* every second */
serial_putc ('.');
last = now;
}
}
DONE:
/* reset to read mode */
addr = (FLASH_WORD_SIZE *)info->start[0];
addr[0] = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
printf (" done\n");
return rc;
}
/*----------------------------------------------------------------------------*/
/*
* 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) > CFG_FLASH_WRITE_TOUT) {
return (1);
}
}
}
return (0);
}
/*----------------------------------------------------------------------------*/

159
board/eltec/bab7xx/l2cache.c Normal file
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/*
* (C) Copyright 2002 ELTEC Elektronik AG
* Frank Gottschling <fgottschling@eltec.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>
#if defined(CFG_L2_BAB7xx)
#include <pci.h>
#include <mpc106.h>
/* defines L2CR register for MPC750 */
#define L2CR_E 0x80000000
#define L2CR_256K 0x10000000
#define L2CR_512K 0x20000000
#define L2CR_1024K 0x30000000
#define L2CR_I 0x00200000
#define L2CR_SL 0x00008000
#define L2CR_IP 0x00000001
/*----------------------------------------------------------------------------*/
static int dummy (int dummy)
{
return (dummy+1);
}
/*----------------------------------------------------------------------------*/
int l2_cache_enable (int l2control)
{
if (l2control) /* BAB750 */
{
mtspr(SPRN_L2CR, l2control);
mtspr(SPRN_L2CR, (l2control | L2CR_I));
while (mfspr(SPRN_L2CR) & L2CR_IP)
;
mtspr(SPRN_L2CR, (l2control | L2CR_E));
return (0);
}
else /* BAB740 */
{
int picr1, picr2, mask;
int picr2CacheSize, cacheSize;
int *d;
int devbusfn;
u32 reg32;
devbusfn = pci_find_device(PCI_VENDOR_ID_MOTOROLA,
PCI_DEVICE_ID_MOTOROLA_MPC106, 0);
if (devbusfn == -1)
return (-1);
pci_read_config_dword (devbusfn, PCI_PICR2, &reg32);
reg32 &= ~PICR2_L2_EN;
pci_write_config_dword (devbusfn, PCI_PICR2, reg32);
/* cache size */
if (*(volatile unsigned char *) (CFG_ISA_IO + 0x220) & 0x04)
{
/* cache size is 512 KB */
picr2CacheSize = PICR2_L2_SIZE_512K;
cacheSize = 0x80000;
}
else
{
/* cache size is 256 KB */
picr2CacheSize = PICR2_L2_SIZE_256K;
cacheSize = 0x40000;
}
/* setup PICR1 */
mask =
~(PICR1_CF_BREAD_WS(1) |
PICR1_CF_BREAD_WS(2) |
PICR1_CF_CBA(0xff) |
PICR1_CF_CACHE_1G |
PICR1_CF_DPARK |
PICR1_CF_APARK |
PICR1_CF_L2_CACHE_MASK);
picr1 =
(PICR1_CF_CBA(0x3f) |
PICR1_CF_CACHE_1G |
PICR1_CF_APARK |
PICR1_CF_DPARK |
PICR1_CF_L2_COPY_BACK); /* PICR1_CF_L2_WRITE_THROUGH */
pci_read_config_dword (devbusfn, PCI_PICR1, &reg32);
reg32 &= mask;
reg32 |= picr1;
pci_write_config_dword (devbusfn, PCI_PICR1, reg32);
/*
* invalidate all L2 cache
*/
picr2 =
(PICR2_CF_INV_MODE |
PICR2_CF_HIT_HIGH |
PICR2_CF_MOD_HIGH |
PICR2_CF_L2_HIT_DELAY(1) |
PICR2_CF_APHASE_WS(1) |
picr2CacheSize);
pci_write_config_dword (devbusfn, PCI_PICR2, picr2);
/*
* dummy transactions
*/
for (d=0; d<(int *)(2*cacheSize); d++)
dummy(*d);
pci_write_config_dword (devbusfn, PCI_PICR2,
(picr2 | PICR2_CF_FLUSH_L2));
/* setup PICR2 */
picr2 =
(PICR2_CF_FAST_CASTOUT |
PICR2_CF_WDATA |
PICR2_CF_ADDR_ONLY_DISABLE |
PICR2_CF_HIT_HIGH |
PICR2_CF_MOD_HIGH |
PICR2_L2_UPDATE_EN |
PICR2_L2_EN |
PICR2_CF_APHASE_WS(1) |
PICR2_CF_DATA_RAM_PBURST |
PICR2_CF_L2_HIT_DELAY(1) |
PICR2_CF_SNOOP_WS(2) |
picr2CacheSize);
pci_write_config_dword (devbusfn, PCI_PICR2, picr2);
}
return (0);
}
/*----------------------------------------------------------------------------*/
#endif /* (CFG_L2_BAB7xx) */

547
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/*
* (C) Copyright 2002 ELTEC Elektronik AG
* Frank Gottschling <fgottschling@eltec.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
*/
/* includes */
#include <common.h>
#include <linux/ctype.h>
#include <pci.h>
#include <net.h>
#include <mpc106.h>
#include <w83c553f.h>
#include "srom.h"
/* imports */
extern char console_buffer[CFG_CBSIZE];
extern int l2_cache_enable (int l2control);
extern void *nvram_read (void *dest, const short src, size_t count);
extern void nvram_write (short dest, const void *src, size_t count);
/* globals */
unsigned int ata_reset_time = 60;
unsigned int scsi_reset_time = 10;
unsigned int eltec_board;
/* BAB750 uses SYM53C875(default) and BAB740 uses SYM53C860
* values fixed after board identification
*/
unsigned short scsi_dev_id = PCI_DEVICE_ID_NCR_53C875;
unsigned int scsi_max_scsi_id = 15;
unsigned char scsi_sym53c8xx_ccf = 0x13;
/*----------------------------------------------------------------------------*/
/*
* handle sroms on BAB740/750
* fix ether address
* L2 cache initialization
* ide dma control
*/
int misc_init_r (void)
{
revinfo eerev;
u_char *ptr;
u_int i, l, initSrom, copyNv;
char buf[256];
char hex[23] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0,
0, 0, 0, 0, 10, 11, 12, 13, 14, 15 };
pci_dev_t bdf;
char sromSYM[] = {
#ifdef TULIP_BUG
/* 10BaseT, 100BaseTx no full duplex modes */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x08,
0x02, 0x86, 0x02, 0x00, 0xaf, 0x08, 0xa5, 0x00,
0x88, 0x04, 0x03, 0x27, 0x08, 0x25, 0x00, 0x61,
0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xe8
#endif
/* 10BaseT, 10BaseT-FD, 100BaseTx, 100BaseTx-FD */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x08,
0x04, 0x86, 0x02, 0x00, 0xaf, 0x08, 0xa5, 0x00,
0x86, 0x02, 0x04, 0xaf, 0x08, 0xa5, 0x00, 0x88,
0x04, 0x03, 0x27, 0x08, 0x25, 0x00, 0x61, 0x80,
0x88, 0x04, 0x05, 0x27, 0x08, 0x25, 0x00, 0x61,
0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x77
};
char sromMII[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x01, 0x00, 0x00, 0x5b, 0x00,
0x2e, 0x4d, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x08,
0x01, 0x95, 0x03, 0x00, 0x00, 0x04, 0x01, 0x08,
0x00, 0x00, 0x02, 0x08, 0x02, 0x00, 0x00, 0x78,
0xe0, 0x01, 0x00, 0x50, 0x00, 0x18, 0x80, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xde, 0x41
};
/*
* Check/Remake revision info
*/
initSrom = 0;
copyNv = 0;
/* read out current revision srom contens */
el_srom_load (0x0000, (u_char*)&eerev, sizeof(revinfo),
SECOND_DEVICE, FIRST_BLOCK);
/* read out current nvram shadow image */
nvram_read (buf, CFG_NV_SROM_COPY_ADDR, CFG_SROM_SIZE);
if (strcmp (eerev.magic, "ELTEC") != 0)
{
/* srom is not initialized -> create a default revision info */
for (i = 0, ptr = (u_char *)&eerev; i < sizeof(revinfo); i++)
*ptr++ = 0x00;
strcpy(eerev.magic, "ELTEC");
eerev.revrev[0] = 1;
eerev.revrev[1] = 0;
eerev.size = 0x00E0;
eerev.category[0] = 0x01;
/* node id from dead e128 as default */
eerev.etheraddr[0] = 0x00;
eerev.etheraddr[1] = 0x00;
eerev.etheraddr[2] = 0x5B;
eerev.etheraddr[3] = 0x00;
eerev.etheraddr[4] = 0x2E;
eerev.etheraddr[5] = 0x4D;
/* cache config word for bab750 */
*(int*)&eerev.res[0] = CLK2P0TO1_1MB_PB_0P5DH;
initSrom = 1; /* force dialog */
copyNv = 1; /* copy to nvram */
}
if ((copyNv == 0) && (el_srom_checksum((u_char*)&eerev, CFG_SROM_SIZE) !=
el_srom_checksum((u_char*)buf, CFG_SROM_SIZE)))
{
printf ("Invalid revision info copy in nvram !\n");
printf ("Press key:\n <c> to copy current revision info to nvram.\n");
printf (" <r> to reenter revision info.\n");
printf ("=> ");
if (0 != readline (NULL))
{
switch ((char)toupper(console_buffer[0]))
{
case 'C':
copyNv = 1;
break;
case 'R':
copyNv = 1;
initSrom = 1;
break;
}
}
}
if (initSrom)
{
memcpy (buf, &eerev.revision[0][0], 14); /* save all revision info */
printf ("Enter revision number (0-9): %c ", eerev.revision[0][0]);
if (0 != readline (NULL))
{
eerev.revision[0][0] = (char)toupper(console_buffer[0]);
memcpy (&eerev.revision[1][0], buf, 12); /* shift rest of rev info */
}
printf ("Enter revision character (A-Z): %c ", eerev.revision[0][1]);
if (1 == readline (NULL))
{
eerev.revision[0][1] = (char)toupper(console_buffer[0]);
}
printf ("Enter board name (V-XXXX-XXXX): %s ", (char *)&eerev.board);
if (11 == readline (NULL))
{
for (i=0; i<11; i++)
eerev.board[i] = (char)toupper(console_buffer[i]);
eerev.board[11] = '\0';
}
printf ("Enter serial number: %s ", (char *)&eerev.serial );
if (6 == readline (NULL))
{
for (i=0; i<6; i++)
eerev.serial[i] = console_buffer[i];
eerev.serial[6] = '\0';
}
printf ("Enter ether node ID with leading zero (HEX): %02x%02x%02x%02x%02x%02x ",
eerev.etheraddr[0], eerev.etheraddr[1],
eerev.etheraddr[2], eerev.etheraddr[3],
eerev.etheraddr[4], eerev.etheraddr[5]);
if (12 == readline (NULL))
{
for (i=0; i<12; i+=2)
eerev.etheraddr[i>>1] = (char)(16*hex[toupper(console_buffer[i])-'0'] +
hex[toupper(console_buffer[i+1])-'0']);
}
l = strlen ((char *)&eerev.text);
printf("Add to text section (max 64 chr): %s ", (char *)&eerev.text );
if (0 != readline (NULL))
{
for (i = l; i<63; i++)
eerev.text[i] = console_buffer[i-l];
eerev.text[63] = '\0';
}
if (strstr ((char *)&eerev.board, "75") != NULL)
eltec_board = 750;
else
eltec_board = 740;
if (eltec_board == 750)
{
if (CPU_TYPE == CPU_TYPE_750)
*(int*)&eerev.res[0] = CLK2P0TO1_1MB_PB_0P5DH;
else
*(int*)&eerev.res[0] = CLK2P5TO1_1MB_PB_0P5DH;
printf("Enter L2Cache config word with leading zero (HEX): %08X ",
*(int*)&eerev.res[0] );
if (0 != readline (NULL))
{
for (i=0; i<7; i+=2)
{
eerev.res[i>>1] =
(char)(16*hex[toupper(console_buffer[i])-'0'] +
hex[toupper(console_buffer[i+1])-'0']);
}
}
/* prepare network eeprom */
sromMII[20] = eerev.etheraddr[0];
sromMII[21] = eerev.etheraddr[1];
sromMII[22] = eerev.etheraddr[2];
sromMII[23] = eerev.etheraddr[3];
sromMII[24] = eerev.etheraddr[4];
sromMII[25] = eerev.etheraddr[5];
printf("\nSRom: Writing DEC21143 MII info .. ");
if (dc_srom_store ((u_short *)sromMII) == -1)
printf("FAILED\n");
else
printf("OK\n");
}
if (eltec_board == 740)
{
*(int *)&eerev.res[0] = 0;
sromSYM[20] = eerev.etheraddr[0];
sromSYM[21] = eerev.etheraddr[1];
sromSYM[22] = eerev.etheraddr[2];
sromSYM[23] = eerev.etheraddr[3];
sromSYM[24] = eerev.etheraddr[4];
sromSYM[25] = eerev.etheraddr[5];
printf("\nSRom: Writing DEC21143 SYM info .. ");
if (dc_srom_store ((u_short *)sromSYM) == -1)
printf("FAILED\n");
else
printf("OK\n");
}
/* update CRC */
eerev.crc = el_srom_checksum((u_char *)eerev.board, eerev.size);
/* write new values */
printf("\nSRom: Writing revision info ...... ");
if (el_srom_store((BLOCK_SIZE-sizeof(revinfo)), (u_char *)&eerev,
sizeof(revinfo), SECOND_DEVICE, FIRST_BLOCK) == -1)
printf("FAILED\n\n");
else
printf("OK\n\n");
/* write new values as shadow image to nvram */
nvram_write (CFG_NV_SROM_COPY_ADDR, (void *)&eerev, CFG_SROM_SIZE);
} /*if (initSrom) */
/* copy current values as shadow image to nvram */
if (initSrom == 0 && copyNv == 1)
nvram_write (CFG_NV_SROM_COPY_ADDR, (void *)&eerev, CFG_SROM_SIZE);
/* update environment */
sprintf (buf, "%02x:%02x:%02x:%02x:%02x:%02x",
eerev.etheraddr[0], eerev.etheraddr[1],
eerev.etheraddr[2], eerev.etheraddr[3],
eerev.etheraddr[4], eerev.etheraddr[5]);
setenv ("ethaddr", buf);
/* print actual board identification */
printf("Ident: %s Ser %s Rev %c%c\n",
eerev.board, (char *)&eerev.serial,
eerev.revision[0][0], eerev.revision[0][1]);
/* global board ident */
if (strstr ((char *)&eerev.board, "75") != NULL)
eltec_board = 750;
else
eltec_board = 740;
/*
* L2 cache configuration
*/
#if defined(CFG_L2_BAB7xx)
ptr = getenv("l2cache");
if (*ptr == '0')
{
printf ("Cache: L2 NOT activated on BAB%d\n", eltec_board);
}
else
{
printf ("Cache: L2 activated on BAB%d\n", eltec_board);
l2_cache_enable(*(int*)&eerev.res[0]);
}
#endif
/*
* Reconfig ata reset timeout from environment
*/
if ((ptr = getenv ("ata_reset_time")) != NULL)
{
ata_reset_time = (int)simple_strtoul (ptr, NULL, 10);
}
else
{
sprintf (buf, "%d", ata_reset_time);
setenv ("ata_reset_time", buf);
}
/*
* Reconfig scsi reset timeout from environment
*/
if ((ptr = getenv ("scsi_reset_time")) != NULL)
{
scsi_reset_time = (int)simple_strtoul (ptr, NULL, 10);
}
else
{
sprintf (buf, "%d", scsi_reset_time);
setenv ("scsi_reset_time", buf);
}
if ((bdf = pci_find_device(PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_83C553, 0)) > 0)
{
if (pci_find_device(PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_53C860, 0) > 0)
{
/* BAB740 with SCSI=IRQ 11; SCC=IRQ 9; no IDE; NCR860 at 80 Mhz */
scsi_dev_id = PCI_DEVICE_ID_NCR_53C860;
scsi_max_scsi_id = 7;
scsi_sym53c8xx_ccf = 0x15;
pci_write_config_byte (bdf, WINBOND_IDEIRCR, 0xb0);
}
if ((ptr = getenv ("ide_dma_off")) != NULL)
{
u_long dma_off = simple_strtoul (ptr, NULL, 10);
/*
* setup user defined registers
* s.a. linux/drivers/ide/sl82c105.c
*/
bdf |= PCI_BDF(0,0,1); /* ide user reg at bdf function 1 */
if (dma_off & 1)
{
pci_write_config_byte (bdf, 0x46, 1);
printf("IDE: DMA off flag set: Bus 0 : Dev 0\n");
}
if (dma_off & 2)
{
pci_write_config_byte (bdf, 0x4a, 1);
printf("IDE: DMA off flag set: Bus 0 : Dev 1\n");
}
if (dma_off & 4)
{
pci_write_config_byte (bdf, 0x4e, 1);
printf("IDE: DMA off flag set: Bus 1 : Dev 0\n");
}
if (dma_off & 8)
{
pci_write_config_byte (bdf, 0x52, 1);
printf("IDE: DMA off flag set: Bus 1 : Dev 1\n");
}
}
}
return (0);
}
/*----------------------------------------------------------------------------*/
/*
* BAB740 uses KENDIN KS8761 modem chip with not common setup values
*/
#ifdef CONFIG_TULIP_SELECT_MEDIA
/* Register bits.
*/
#define BMR_SWR 0x00000001 /* Software Reset */
#define STS_TS 0x00700000 /* Transmit Process State */
#define STS_RS 0x000e0000 /* Receive Process State */
#define OMR_ST 0x00002000 /* Start/Stop Transmission Command */
#define OMR_SR 0x00000002 /* Start/Stop Receive */
#define OMR_PS 0x00040000 /* Port Select */
#define OMR_SDP 0x02000000 /* SD Polarity - MUST BE ASSERTED */
#define OMR_PM 0x00000080 /* Pass All Multicast */
#define OMR_PR 0x00000040 /* Promiscuous Mode */
#define OMR_PCS 0x00800000 /* PCS Function */
#define OMR_TTM 0x00400000 /* Transmit Threshold Mode */
/* Ethernet chip registers.
*/
#define DE4X5_BMR 0x000 /* Bus Mode Register */
#define DE4X5_TPD 0x008 /* Transmit Poll Demand Reg */
#define DE4X5_RRBA 0x018 /* RX Ring Base Address Reg */
#define DE4X5_TRBA 0x020 /* TX Ring Base Address Reg */
#define DE4X5_STS 0x028 /* Status Register */
#define DE4X5_OMR 0x030 /* Operation Mode Register */
#define DE4X5_SISR 0x060 /* SIA Status Register */
#define DE4X5_SICR 0x068 /* SIA Connectivity Register */
#define DE4X5_TXRX 0x070 /* SIA Transmit and Receive Register */
#define DE4X5_GPPR 0x078 /* General Purpose Port register */
#define DE4X5_APROM 0x048 /* Ethernet Address PROM */
/*----------------------------------------------------------------------------*/
static int INL(struct eth_device* dev, u_long addr)
{
return le32_to_cpu(*(volatile u_long *)(addr + dev->iobase));
}
/*----------------------------------------------------------------------------*/
static void OUTL(struct eth_device* dev, int command, u_long addr)
{
*(volatile u_long *)(addr + dev->iobase) = cpu_to_le32(command);
}
/*----------------------------------------------------------------------------*/
static void media_reg_init (
struct eth_device* dev,
u32 csr14,
u32 csr15_dir,
u32 csr15_v0,
u32 csr15_v1,
u32 csr6 )
{
OUTL(dev, 0, DE4X5_OMR); /* CSR6 */
udelay(10 * 1000);
OUTL(dev, 0, DE4X5_SICR); /* CSR13 */
OUTL(dev, 1, DE4X5_SICR); /* CSR13 */
udelay(10 * 1000);
OUTL(dev, csr14, DE4X5_TXRX); /* CSR14 */
OUTL(dev, csr15_dir, DE4X5_GPPR); /* CSR15 */
OUTL(dev, csr15_v0, DE4X5_GPPR); /* CSR15 */
udelay(10 * 1000);
OUTL(dev, csr15_v1, DE4X5_GPPR); /* CSR15 */
OUTL(dev, 0x00000301, DE4X5_SISR); /* CSR12 */
OUTL(dev, csr6, DE4X5_OMR); /* CSR6 */
}
/*----------------------------------------------------------------------------*/
void dc21x4x_select_media(struct eth_device* dev)
{
int i, status, ext;
extern unsigned int eltec_board;
if (eltec_board == 740)
{
printf("SYM media select "); /* BAB740 */
/* start autoneg. with 10 mbit */
media_reg_init (dev, 0x3ffff, 0x08af0008, 0x00a10008, 0x00a50008, 0x02400080);
ext = status = 0;
for (i=0; i<2000+ext; i++)
{
status = INL(dev, DE4X5_SISR);
udelay(1000);
if (status & 0x2000) ext = 2000;
if ((status & 0x7000) == 0x5000) break;
}
/* autoneg. ok -> 100MB FD */
if ((status & 0x0100f000) == 0x0100d000)
{
media_reg_init (dev, 0x37f7f, 0x08270008, 0x00210008, 0x00250008, 0x03c40280);
printf("100baseTx-FD\n");
}
/* autoneg. ok -> 100MB HD */
else if ((status & 0x0080f000) == 0x0080d000)
{
media_reg_init (dev, 0x17f7f, 0x08270008, 0x00210008, 0x00250008, 0x03c40080);
printf("100baseTx\n");
}
/* autoneg. ok -> 10MB FD */
else if ((status & 0x0040f000) == 0x0040d000)
{
media_reg_init (dev, 0x07f7f, 0x08af0008, 0x00a10008, 0x00a50008, 0x02400280);
printf("10baseT-FD\n");
}
/* autoneg. fail -> 10MB HD */
else
{
media_reg_init (dev, 0x7f7f, 0x08af0008, 0x00a10008, 0x00a50008,
(OMR_SDP | OMR_TTM | OMR_PM));
printf("10baseT\n");
}
}
else
{
printf("MII media selected\n"); /* BAB750 */
OUTL(dev, OMR_SDP | OMR_PS | OMR_PM, DE4X5_OMR); /* CSR6 */
}
}
#endif /* CONFIG_TULIP_SELECT_MEDIA */
/*---------------------------------------------------------------------------*/

120
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/*
* (C) Copyright 2002 ELTEC Elektronik AG
* Frank Gottschling <fgottschling@eltec.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
*/
/*
* PCI initialisation for the MPC10x.
*/
#include <common.h>
#include <pci.h>
#include <mpc106.h>
#ifdef CONFIG_PCI
struct pci_controller local_hose;
void pci_init(void)
{
struct pci_controller* hose = (struct pci_controller *)&local_hose;
u32 reg32;
u16 reg16;
hose->first_busno = 0;
hose->last_busno = 0xff;
pci_set_region(hose->regions + 0,
CFG_PCI_MEMORY_BUS,
CFG_PCI_MEMORY_PHYS,
/*
* Attention: pci_hose_phys_to_bus() failes in address compare,
* so we need (CFG_PCI_MEMORY_SIZE-1)
*/
CFG_PCI_MEMORY_SIZE-1,
PCI_REGION_MEM | PCI_REGION_MEMORY);
/* PCI memory space */
pci_set_region(hose->regions + 1,
CFG_PCI_MEM_BUS,
CFG_PCI_MEM_PHYS,
CFG_PCI_MEM_SIZE,
PCI_REGION_MEM);
/* ISA/PCI memory space */
pci_set_region(hose->regions + 2,
CFG_ISA_MEM_BUS,
CFG_ISA_MEM_PHYS,
CFG_ISA_MEM_SIZE,
PCI_REGION_MEM);
/* PCI I/O space */
pci_set_region(hose->regions + 3,
CFG_PCI_IO_BUS,
CFG_PCI_IO_PHYS,
CFG_PCI_IO_SIZE,
PCI_REGION_IO);
/* ISA/PCI I/O space */
pci_set_region(hose->regions + 4,
CFG_ISA_IO_BUS,
CFG_ISA_IO_PHYS,
CFG_ISA_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 5;
pci_setup_indirect(hose,
MPC106_REG_ADDR,
MPC106_REG_DATA);
pci_register_hose(hose);
hose->last_busno = pci_hose_scan(hose);
/* Initialises the MPC10x PCI Configuration regs. */
pci_read_config_dword (PCI_BDF(0,0,0), PCI_PICR2, &reg32);
reg32 |= PICR2_CF_SNOOP_WS(3) |
PICR2_CF_FLUSH_L2 |
PICR2_CF_L2_HIT_DELAY(3) |
PICR2_CF_APHASE_WS(3);
reg32 &= ~(PICR2_L2_EN | PICR2_L2_UPDATE_EN);
pci_write_config_dword (PCI_BDF(0,0,0), PCI_PICR2, reg32);
pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, &reg16);
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16);
/* Clear non-reserved bits in status register */
pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
pci_read_config_dword (PCI_BDF(0,0,0), PCI_PICR1, &reg32);
reg32 |= PICR1_CF_CBA(63) |
PICR1_CF_BREAD_WS(2) |
PICR1_MCP_EN |
PICR1_CF_DPARK |
PICR1_PROC_TYPE_604 |
PICR1_CF_LOOP_SNOOP |
PICR1_CF_APARK;
pci_write_config_dword (PCI_BDF(0,0,0), PCI_PICR1, reg32);
}
#endif /* CONFIG_PCI */

102
board/eltec/bab7xx/srom.h Normal file
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/*
* (C) Copyright 2002 ELTEC Elektronik AG
* Frank Gottschling <fgottschling@eltec.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
*/
/* common srom defs */
#define FIRST_DEVICE 0x00
#define SECOND_DEVICE 0x04
#define FIRST_BLOCK 0x00
#define SECOND_BLOCK 0x02
#define BLOCK_SIZE 0x100
#define ERROR (-1)
#define CLK2P0TO1_1MB_PB_0P5DH 0x79000100
#define CLK2P5TO1_1MB_PB_0P5DH 0x7B000100
#define CPU_TYPE_740 0x08
#define CPU_TYPE_750 0x08
#define CPU_TYPE ((get_pvr()>>16)&0xffff)
#define ABS(x) ((x<0)?-x:x)
#define SROM_SHORT(pX) (*(u8 *)(pX) | *((u8 *)(pX)+1) << 8)
/* bab7xx ELTEC srom */
#define I2C_BUS_DAT (CFG_ISA_IO + 0x220)
#define I2C_BUS_DIR (CFG_ISA_IO + 0x221)
/* srom at mpc107 */
#define MPC107_I2CADDR (mpc107_eumb_addr + 0x3000) /* address */
#define MPC107_I2CFDR (mpc107_eumb_addr + 0x3004) /* freq divider */
#define MPC107_I2CCR (mpc107_eumb_addr + 0x3008) /* control */
#define MPC107_I2CSR (mpc107_eumb_addr + 0x300c) /* status */
#define MPC107_I2CDR (mpc107_eumb_addr + 0x3010) /* data */
#define MPC107_I2C_TIMEOUT 10000000
/* i82559 */
#define EE_ADDR_BITS 6
#define EE_SIZE 0x40 /* 0x40 words */
#define EE_CHECKSUM 0xBABA
/* dc21143 */
#define DEC_SROM_SIZE 128
/*
* structure of revision srom
*/
typedef struct {
char magic[8]; /* 000 - Magic number */
char revrev[2]; /* 008 - Revision of structure */
unsigned short size; /* 00A - Size of CRC area */
unsigned long crc; /* 00C - CRC */
char board[16]; /* 010 - Board Revision information */
char option[4][16]; /* 020 - Option Revision information */
char serial[8]; /* 060 - Board serial number */
char etheraddr[6]; /* 068 - Ethernet node addresse */
char reserved[2]; /* 06E - Reserved */
char revision[7][2]; /* 070 - Revision codes */
char category[2]; /* 07E - Category codes */
char text[64]; /* 080 - Text field */
char res[64]; /* 0C0 - Reserved */
} revinfo;
unsigned long el_srom_checksum (unsigned char *ptr, unsigned long size);
int el_srom_load (unsigned char addr, unsigned char *buf, int cnt,
unsigned char device, unsigned char block);
int el_srom_store (unsigned char addr, unsigned char *buf, int cnt,
unsigned char device, unsigned char block);
int mpc107_i2c_init (unsigned long eumb_addr, unsigned long divider);
int mpc107_i2c_read_byte (unsigned char device, unsigned char block, unsigned char offset);
int mpc107_i2c_write_byte (unsigned char device, unsigned char block,
unsigned char offset, unsigned char val);
int mpc107_srom_load (unsigned char addr, unsigned char *pBuf, int cnt,
unsigned char device, unsigned char block);
int mpc107_srom_store (unsigned char addr, unsigned char *pBuf, int cnt,
unsigned char device, unsigned char block);
int dc_srom_load (unsigned short *dest);
int dc_srom_store (unsigned short *src);
unsigned short eepro100_srom_checksum (unsigned short *sromdata);
void eepro100_srom_load (unsigned short *destination);
int eepro100_srom_store (unsigned short *source);

57
board/eltec/elppc/Makefile Normal file
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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
#
include $(TOPDIR)/config.mk
LIB = lib$(BOARD).a
OBJS = $(BOARD).o flash.o pci.o misc.o mpc107_i2c.o eepro100_srom.o
SOBJS = asm_init.o
$(LIB): .depend $(OBJS) $(SOBJS)
$(AR) crv $@ $^
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
sinclude .depend
#########################################################################

26
board/eltec/elppc/config.mk Normal file
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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
#
TEXT_BASE = 0xFFF00000
PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE)

513
board/eltec/elppc/flash.c Normal file
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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
*/
/*
* 07-10-2002 Frank Gottschling: added 29F032 flash (ELPPC).
* fixed monitor protection part
*
* 09-18-2001 Andreas Heppel: Reduced the code in here to the usage
* of AMD's 29F040 and 29F016 flashes, since the BAB7xx does use
* any other.
*/
#include <common.h>
#include <asm/processor.h>
#include <asm/pci_io.h>
flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
ulong flash_get_size (vu_long *addr, flash_info_t *info);
static int write_word (flash_info_t *info, ulong dest, ulong data);
/*flash command address offsets*/
#define ADDR0 (0x555)
#define ADDR1 (0x2AA)
#define ADDR3 (0x001)
#define FLASH_WORD_SIZE unsigned char
/*----------------------------------------------------------------------------*/
unsigned long flash_init (void)
{
unsigned long size1, size2;
int i;
/* Init: no FLASHes known */
for (i=0; i<CFG_MAX_FLASH_BANKS; ++i)
{
flash_info[i].flash_id = FLASH_UNKNOWN;
}
/* initialise 1st flash */
size1 = 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",
size1, size1<<20);
}
/* initialise 2nd flash */
size2 = flash_get_size((vu_long *)FLASH_BASE1_PRELIM, &flash_info[1]);
if (flash_info[1].flash_id == FLASH_UNKNOWN)
{
printf ("## Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n",
size2, size2<<20);
}
/* monitor protection ON by default */
if (size1 == 512*1024)
{
(void)flash_protect(FLAG_PROTECT_SET,
FLASH_BASE0_PRELIM,
FLASH_BASE0_PRELIM+CFG_MONITOR_LEN-1,
&flash_info[0]);
}
if (size2 == 512*1024)
{
(void)flash_protect(FLAG_PROTECT_SET,
FLASH_BASE1_PRELIM,
FLASH_BASE1_PRELIM+CFG_MONITOR_LEN-1,
&flash_info[1]);
}
if (size2 == 4*1024*1024)
{
(void)flash_protect(FLAG_PROTECT_SET,
CFG_FLASH_BASE,
CFG_FLASH_BASE+CFG_MONITOR_LEN-1,
&flash_info[1]);
}
return (size1 + size2);
}
/*----------------------------------------------------------------------------*/
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");
flash_init();
}
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 AMD_ID_F040B:
printf ("AM29F040B (4 Mbit)\n");
break;
case AMD_ID_F016D:
printf ("AM29F016D (16 Mbit)\n");
break;
case AMD_ID_F032B:
printf ("AM29F032B (32 Mbit)\n");
break;
default:
printf ("Unknown Chip Type\n");
break;
}
if (info->size >= (1 << 20)) {
printf (" Size: %ld MB in %d Sectors\n", info->size >> 20, info->sector_count);
} else {
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!
*/
ulong flash_get_size (vu_long *addr, flash_info_t *info)
{
short i;
ulong vendor, devid;
ulong base = (ulong)addr;
volatile unsigned char *caddr = (unsigned char *)addr;
#ifdef DEBUG
printf("flash_get_size for address 0x%lx: \n", (unsigned long)caddr);
#endif
/* Write auto select command: read Manufacturer ID */
caddr[0] = 0xF0; /* reset bank */
udelay(10);
eieio();
caddr[0x555] = 0xAA;
udelay(10);
caddr[0x2AA] = 0x55;
udelay(10);
caddr[0x555] = 0x90;
udelay(10);
vendor = caddr[0];
devid = caddr[1];
#ifdef DEBUG
printf("Manufacturer: 0x%lx\n", vendor);
#endif
vendor &= 0xff;
devid &= 0xff;
/* We accept only two AMD types */
switch (vendor) {
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 */
}
switch (devid) {
case (FLASH_WORD_SIZE)AMD_ID_F040B:
info->flash_id |= AMD_ID_F040B;
info->sector_count = 8;
info->size = 0x00080000;
break; /* => 0.5 MB */
case (FLASH_WORD_SIZE)AMD_ID_F016D:
info->flash_id |= AMD_ID_F016D;
info->sector_count = 32;
info->size = 0x00200000;
break; /* => 2 MB */
case (FLASH_WORD_SIZE)AMD_ID_F032B:
info->flash_id |= AMD_ID_F032B;
info->sector_count = 64;
info->size = 0x00400000;
break; /* => 4 MB */
default:
info->flash_id = FLASH_UNKNOWN;
return (0); /* => no or unknown flash */
}
#ifdef DEBUG
printf("flash id 0x%lx; sector count 0x%x, size 0x%lx\n", info->flash_id, info->sector_count, info->size);
#endif
/* check for protected sectors */
for (i = 0; i < info->sector_count; i++) {
/* sector base address */
info->start[i] = base + i * (info->size / info->sector_count);
/* read sector protection at sector address, (A7 .. A0) = 0x02 */
/* D0 = 1 if protected */
caddr = (volatile unsigned char *)(info->start[i]);
info->protect[i] = caddr[2] & 1;
}
/*
* Prevent writes to uninitialized FLASH.
*/
if (info->flash_id != FLASH_UNKNOWN) {
caddr = (volatile unsigned char *)info->start[0];
caddr[0] = 0xF0; /* reset bank */
}
return (info->size);
}
/*----------------------------------------------------------------------------*/
int flash_erase (flash_info_t *info, int s_first, int s_last)
{
volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[0]);
int flag, prot, sect, l_sect;
ulong start, now, last;
int rc = 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;
}
if ((info->flash_id == FLASH_UNKNOWN) ||
(info->flash_id > FLASH_AMD_COMP)) {
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");
}
l_sect = -1;
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
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;
/* Start erase on unprotected sectors */
for (sect = s_first; sect<=s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
addr = (FLASH_WORD_SIZE *)(info->start[sect]);
if (info->flash_id & FLASH_MAN_SST) {
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;
addr[0] = (FLASH_WORD_SIZE)0x00500050; /* block erase */
udelay(30000); /* wait 30 ms */
}
else
addr[0] = (FLASH_WORD_SIZE)0x00300030; /* sector erase */
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 = (FLASH_WORD_SIZE *)(info->start[l_sect]);
while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (FLASH_WORD_SIZE)0x00800080) {
if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
return 1;
}
/* show that we're waiting */
if ((now - last) > 1000) { /* every second */
serial_putc ('.');
last = now;
}
}
DONE:
/* reset to read mode */
addr = (FLASH_WORD_SIZE *)info->start[0];
addr[0] = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
printf (" done\n");
return rc;
}
/*----------------------------------------------------------------------------*/
/*
* 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) > CFG_FLASH_WRITE_TOUT) {
return (1);
}
}
}
return (0);
}
/*----------------------------------------------------------------------------*/

258
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/*
* (C) Copyright 2002 ELTEC Elektronik AG
* Frank Gottschling <fgottschling@eltec.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
*/
/* includes */
#include <common.h>
#include <linux/ctype.h>
#include <pci.h>
#include <net.h>
#include "srom.h"
/* imports */
extern char console_buffer[CFG_CBSIZE];
extern int l2_cache_enable (int l2control);
extern int eepro100_write_eeprom (struct eth_device* dev, int location,
int addr_len, unsigned short data);
extern int read_eeprom (struct eth_device* dev, int location, int addr_len);
/*----------------------------------------------------------------------------*/
/*
* read/write to nvram is only byte access
*/
void *nvram_read(void *dest, const long src, size_t count)
{
uchar *d = (uchar *) dest;
uchar *s = (uchar *) (CFG_ENV_MAP_ADRS + src);
while (count--)
*d++ = *s++;
return dest;
}
void nvram_write(long dest, const void *src, size_t count)
{
uchar *d = (uchar *) (CFG_ENV_MAP_ADRS + dest);
uchar *s = (uchar *) src;
while (count--)
*d++ = *s++;
}
/*----------------------------------------------------------------------------*/
/*
* handle sroms on ELPPC
* fix ether address
* set serial console as default
*/
int misc_init_r (void)
{
revinfo eerev;
u_char *ptr;
u_int i, l, initSrom, copyNv;
char buf[256];
char hex[23] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0,
0, 0, 0, 0, 10, 11, 12, 13, 14, 15 };
/* Clock setting for MPC107 i2c */
mpc107_i2c_init (MPC107_EUMB_ADDR, 0x2b);
/* Reset the EPIC */
out32r (MPC107_EUMB_GCR, 0xa0000000);
while (in32r (MPC107_EUMB_GCR) & 0x80000000); /* Wait for reset to complete */
out32r (MPC107_EUMB_GCR, 0x20000000); /* Put into into mixed mode */
while (in32r (MPC107_EUMB_IACKR) != 0xff); /* Clear all pending interrupts */
/*
* Check/Remake revision info
*/
initSrom = 0;
copyNv = 0;
/* read out current revision srom contens */
mpc107_srom_load (0x0000, (u_char*)&eerev, sizeof(revinfo),
SECOND_DEVICE, FIRST_BLOCK);
/* read out current nvram shadow image */
nvram_read (buf, CFG_NV_SROM_COPY_ADDR, CFG_SROM_SIZE);
if (strcmp (eerev.magic, "ELTEC") != 0)
{
/* srom is not initialized -> create a default revision info */
for (i = 0, ptr = (u_char *)&eerev; i < sizeof(revinfo); i++)
*ptr++ = 0x00;
strcpy(eerev.magic, "ELTEC");
eerev.revrev[0] = 1;
eerev.revrev[1] = 0;
eerev.size = 0x00E0;
eerev.category[0] = 0x01;
/* node id from dead e128 as default */
eerev.etheraddr[0] = 0x00;
eerev.etheraddr[1] = 0x00;
eerev.etheraddr[2] = 0x5B;
eerev.etheraddr[3] = 0x00;
eerev.etheraddr[4] = 0x2E;
eerev.etheraddr[5] = 0x4D;
/* cache config word for ELPPC */
*(int*)&eerev.res[0] = 0;
initSrom = 1; /* force dialog */
copyNv = 1; /* copy to nvram */
}
if ((copyNv == 0) && (el_srom_checksum((u_char*)&eerev, CFG_SROM_SIZE) !=
el_srom_checksum((u_char*)buf, CFG_SROM_SIZE)))
{
printf ("Invalid revision info copy in nvram !\n");
printf ("Press key:\n <c> to copy current revision info to nvram.\n");
printf (" <r> to reenter revision info.\n");
printf ("=> ");
if (0 != readline (NULL))
{
switch ((char)toupper(console_buffer[0]))
{
case 'C':
copyNv = 1;
break;
case 'R':
copyNv = 1;
initSrom = 1;
break;
}
}
}
if (initSrom)
{
memcpy (buf, &eerev.revision[0][0], 14); /* save all revision info */
printf ("Enter revision number (0-9): %c ", eerev.revision[0][0]);
if (0 != readline (NULL))
{
eerev.revision[0][0] = (char)toupper(console_buffer[0]);
memcpy (&eerev.revision[1][0], buf, 12); /* shift rest of rev info */
}
printf ("Enter revision character (A-Z): %c ", eerev.revision[0][1]);
if (1 == readline (NULL))
{
eerev.revision[0][1] = (char)toupper(console_buffer[0]);
}
printf ("Enter board name (V-XXXX-XXXX): %s ", (char *)&eerev.board);
if (11 == readline (NULL))
{
for (i=0; i<11; i++)
eerev.board[i] = (char)toupper(console_buffer[i]);
eerev.board[11] = '\0';
}
printf ("Enter serial number: %s ", (char *)&eerev.serial );
if (6 == readline (NULL))
{
for (i=0; i<6; i++)
eerev.serial[i] = console_buffer[i];
eerev.serial[6] = '\0';
}
printf ("Enter ether node ID with leading zero (HEX): %02x%02x%02x%02x%02x%02x ",
eerev.etheraddr[0], eerev.etheraddr[1],
eerev.etheraddr[2], eerev.etheraddr[3],
eerev.etheraddr[4], eerev.etheraddr[5]);
if (12 == readline (NULL))
{
for (i=0; i<12; i+=2)
eerev.etheraddr[i>>1] = (char)(16*hex[toupper(console_buffer[i])-'0'] +
hex[toupper(console_buffer[i+1])-'0']);
}
l = strlen ((char *)&eerev.text);
printf("Add to text section (max 64 chr): %s ", (char *)&eerev.text );
if (0 != readline (NULL))
{
for (i = l; i<63; i++)
eerev.text[i] = console_buffer[i-l];
eerev.text[63] = '\0';
}
/* prepare network eeprom */
memset (buf, 0, 128);
buf[0] = eerev.etheraddr[1];
buf[1] = eerev.etheraddr[0];
buf[2] = eerev.etheraddr[3];
buf[3] = eerev.etheraddr[2];
buf[4] = eerev.etheraddr[5];
buf[5] = eerev.etheraddr[4];
*(unsigned short *)&buf[20] = 0x48B2;
*(unsigned short *)&buf[22] = 0x0004;
*(unsigned short *)&buf[24] = 0x1433;
printf("\nSRom: Writing i82559 info ........ ");
if (eepro100_srom_store ((unsigned short *)buf) == -1)
printf("FAILED\n");
else
printf("OK\n");
/* update CRC */
eerev.crc = el_srom_checksum((u_char *)eerev.board, eerev.size);
/* write new values */
printf("\nSRom: Writing revision info ...... ");
if (mpc107_srom_store((BLOCK_SIZE-sizeof(revinfo)), (u_char *)&eerev,
sizeof(revinfo), SECOND_DEVICE, FIRST_BLOCK) == -1)
printf("FAILED\n\n");
else
printf("OK\n\n");
/* write new values as shadow image to nvram */
nvram_write (CFG_NV_SROM_COPY_ADDR, (void *)&eerev, CFG_SROM_SIZE);
} /*if (initSrom) */
/* copy current values as shadow image to nvram */
if (initSrom == 0 && copyNv == 1)
nvram_write (CFG_NV_SROM_COPY_ADDR, (void *)&eerev, CFG_SROM_SIZE);
/* update environment */
sprintf (buf, "%02x:%02x:%02x:%02x:%02x:%02x",
eerev.etheraddr[0], eerev.etheraddr[1],
eerev.etheraddr[2], eerev.etheraddr[3],
eerev.etheraddr[4], eerev.etheraddr[5]);
setenv ("ethaddr", buf);
/* set serial console as default */
if ((ptr = getenv ("console")) == NULL)
setenv ("console", "serial");
/* print actual board identification */
printf("Ident: %s Ser %s Rev %c%c\n",
eerev.board, (char *)&eerev.serial,
eerev.revision[0][0], eerev.revision[0][1]);
return (0);
}
/*----------------------------------------------------------------------------*/

320
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/*
* (C) Copyright 2002 ELTEC Elektronik AG
* Frank Gottschling <fgottschling@eltec.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
*/
/* includes */
#include <common.h>
#include "srom.h"
/* locals */
static unsigned long mpc107_eumb_addr = 0;
/*----------------------------------------------------------------------------*/
/*
* calculate checksum for ELTEC revision srom
*/
unsigned long el_srom_checksum (ptr, size)
register unsigned char *ptr;
unsigned long size;
{
u_long f, accu = 0;
u_int i;
u_char byte;
for (; size; size--)
{
byte = *ptr++;
for (i = 8; i; i--)
{
f = ((byte & 1) ^ (accu & 1)) ? 0x84083001 : 0;
accu >>= 1; accu ^= f;
byte >>= 1;
}
}
return(accu);
}
/*----------------------------------------------------------------------------*/
static int mpc107_i2c_wait ( unsigned long timeout )
{
unsigned long x;
while (((x = in32r(MPC107_I2CSR)) & 0x82) != 0x82)
{
if (!timeout--)
return -1;
}
if (x & 0x10)
{
return -1;
}
out32r(MPC107_I2CSR, 0);
return 0;
}
/*----------------------------------------------------------------------------*/
static int mpc107_i2c_wait_idle ( unsigned long timeout )
{
while (in32r(MPC107_I2CSR) & 0x20)
{
if (!timeout--)
return -1;
}
return 0;
}
/*----------------------------------------------------------------------------*/
int mpc107_i2c_read_byte (
unsigned char device,
unsigned char block,
unsigned char offset )
{
unsigned long timeout = MPC107_I2C_TIMEOUT;
int data;
if (!mpc107_eumb_addr)
return -6;
mpc107_i2c_wait_idle (timeout);
/* Start with MEN */
out32r(MPC107_I2CCR, 0x80);
/* Start as master */
out32r(MPC107_I2CCR, 0xB0);
out32r(MPC107_I2CDR, (0xA0 | device | block));
if (mpc107_i2c_wait(timeout) < 0)
{
printf("mpc107_i2c_read Error 1\n");
return -2;
}
if (in32r(MPC107_I2CSR)&0x1)
{
/* Generate STOP condition; device busy or not existing */
out32r(MPC107_I2CCR, 0x80);
return -1;
}
/* Data address */
out32r(MPC107_I2CDR, offset);
if (mpc107_i2c_wait(timeout) < 0)
{
printf("mpc107_i2c_read Error 2\n");
return -3;
}
/* Switch to read - restart */
out32r(MPC107_I2CCR, 0xB4);
out32r(MPC107_I2CDR, (0xA1 | device | block));
if (mpc107_i2c_wait(timeout) < 0)
{
printf("mpc107_i2c_read Error 3\n");
return -4;
}
out32r(MPC107_I2CCR, 0xA8); /* no ACK */
in32r(MPC107_I2CDR);
if (mpc107_i2c_wait(timeout) < 0)
{
printf("mpc107_i2c_read Error 4\n");
return -5;
}
/* Generate STOP condition */
out32r(MPC107_I2CCR, 0x88);
/* read */
data = in32r(MPC107_I2CDR);
return (data);
}
/*----------------------------------------------------------------------------*/
int mpc107_i2c_write_byte (
unsigned char device,
unsigned char block,
unsigned char offset,
unsigned char val )
{
unsigned long timeout = MPC107_I2C_TIMEOUT;
if (!mpc107_eumb_addr)
return -6;
mpc107_i2c_wait_idle(timeout);
/* Start with MEN */
out32r(MPC107_I2CCR, 0x80);
/* Start as master */
out32r(MPC107_I2CCR, 0xB0);
out32r(MPC107_I2CDR, (0xA0 | device | block));
if (mpc107_i2c_wait(timeout) < 0)
{
printf("mpc107_i2c_write Error 1\n");
return -1;
}
/* Data address */
out32r(MPC107_I2CDR, offset);
if (mpc107_i2c_wait(timeout) < 0)
{
printf("mpc107_i2c_write Error 2\n");
return -1;
}
/* Write */
out32r(MPC107_I2CDR, val);
if (mpc107_i2c_wait(timeout) < 0)
{
printf("mpc107_i2c_write Error 3\n");
return -1;
}
/* Generate Stop Condition */
out32r(MPC107_I2CCR, 0x80);
/* Return ACK or no ACK */
return (in32r(MPC107_I2CSR) & 0x01);
}
/*----------------------------------------------------------------------------*/
int mpc107_srom_load (
unsigned char addr,
unsigned char *pBuf,
int cnt,
unsigned char device,
unsigned char block )
{
register int i;
int val;
int timeout;
for (i = 0; i < cnt; i++)
{
timeout=100;
do
{
val = mpc107_i2c_read_byte (device, block, addr);
if (val < -1)
{
printf("i2c_read_error %d at dev %x block %x addr %x\n",
val, device, block, addr);
return -1;
}
else if (timeout==0)
{
printf ("i2c_read_error: timeout at dev %x block %x addr %x\n",
device, block, addr);
return -1;
}
timeout--;
} while (val == -1); /* if no ack: try again! */
*pBuf++ = (unsigned char)val;
addr++;
if ((addr == 0) && (i != cnt-1)) /* is it the same block ? */
{
if (block == FIRST_BLOCK)
block = SECOND_BLOCK;
else
{
printf ("ic2_read_error: read beyond 2. block !\n");
return -1;
}
}
}
udelay(100000);
return (cnt);
}
/*----------------------------------------------------------------------------*/
int mpc107_srom_store (
unsigned char addr,
unsigned char *pBuf,
int cnt,
unsigned char device,
unsigned char block )
{
register int i;
for (i = 0; i < cnt; i++)
{
while (mpc107_i2c_write_byte (device,block,addr,*pBuf) == 1);
addr++;
pBuf++;
if ((addr == 0) && (i != cnt-1)) /* is it the same block ? */
{
if (block == FIRST_BLOCK)
block = SECOND_BLOCK;
else
{
printf ("ic2_write_error: write beyond 2. block !\n");
return -1;
}
}
}
udelay(100000);
return(cnt);
}
/*----------------------------------------------------------------------------*/
int mpc107_i2c_init ( unsigned long eumb_addr, unsigned long divider )
{
unsigned long x;
if (eumb_addr)
mpc107_eumb_addr = eumb_addr;
else
return -1;
/* Set I2C clock */
x = in32r(MPC107_I2CFDR) & 0xffffff00;
out32r(MPC107_I2CFDR, (x | divider));
/* Clear arbitration */
out32r(MPC107_I2CSR, 0);
return mpc107_eumb_addr;
}
/*----------------------------------------------------------------------------*/

97
board/eltec/elppc/pci.c Normal file
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/*
* (C) Copyright 2002 ELTEC Elektronik AG
* Frank Gottschling <fgottschling@eltec.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
*/
/*
* PCI initialisation for the MPC10x.
*/
#include <common.h>
#include <pci.h>
#include <mpc106.h>
#ifdef CONFIG_PCI
struct pci_controller local_hose;
void pci_init(void)
{
struct pci_controller* hose = (struct pci_controller *)&local_hose;
u16 reg16;
hose->first_busno = 0;
hose->last_busno = 0xff;
pci_set_region(hose->regions + 0,
CFG_PCI_MEMORY_BUS,
CFG_PCI_MEMORY_PHYS,
CFG_PCI_MEMORY_SIZE,
PCI_REGION_MEM | PCI_REGION_MEMORY);
/* PCI memory space */
pci_set_region(hose->regions + 1,
CFG_PCI_MEM_BUS,
CFG_PCI_MEM_PHYS,
CFG_PCI_MEM_SIZE,
PCI_REGION_MEM);
/* ISA/PCI memory space */
pci_set_region(hose->regions + 2,
CFG_ISA_MEM_BUS,
CFG_ISA_MEM_PHYS,
CFG_ISA_MEM_SIZE,
PCI_REGION_MEM);
/* PCI I/O space */
pci_set_region(hose->regions + 3,
CFG_PCI_IO_BUS,
CFG_PCI_IO_PHYS,
CFG_PCI_IO_SIZE,
PCI_REGION_IO);
/* ISA/PCI I/O space */
pci_set_region(hose->regions + 4,
CFG_ISA_IO_BUS,
CFG_ISA_IO_PHYS,
CFG_ISA_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 5;
pci_setup_indirect(hose,
MPC106_REG_ADDR,
MPC106_REG_DATA);
pci_register_hose(hose);
hose->last_busno = pci_hose_scan(hose);
/* Initialises the MPC10x PCI Configuration regs. */
pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, &reg16);
reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16);
/* Clear non-reserved bits in status register */
pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
}
#endif /* CONFIG_PCI */

102
board/eltec/elppc/srom.h Normal file
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/*
* (C) Copyright 2002 ELTEC Elektronik AG
* Frank Gottschling <fgottschling@eltec.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
*/
/* common srom defs */
#define FIRST_DEVICE 0x00
#define SECOND_DEVICE 0x04
#define FIRST_BLOCK 0x00
#define SECOND_BLOCK 0x02
#define BLOCK_SIZE 0x100
#define ERROR (-1)
#define CLK2P0TO1_1MB_PB_0P5DH 0x79000100
#define CLK2P5TO1_1MB_PB_0P5DH 0x7B000100
#define CPU_TYPE_740 0x08
#define CPU_TYPE_750 0x08
#define CPU_TYPE ((get_pvr()>>16)&0xffff)
#define ABS(x) ((x<0)?-x:x)
#define SROM_SHORT(pX) (*(u8 *)(pX) | *((u8 *)(pX)+1) << 8)
/* bab7xx ELTEC srom */
#define I2C_BUS_DAT (CFG_ISA_IO + 0x220)
#define I2C_BUS_DIR (CFG_ISA_IO + 0x221)
/* srom at mpc107 */
#define MPC107_I2CADDR (mpc107_eumb_addr + 0x3000) /* address */
#define MPC107_I2CFDR (mpc107_eumb_addr + 0x3004) /* freq divider */
#define MPC107_I2CCR (mpc107_eumb_addr + 0x3008) /* control */
#define MPC107_I2CSR (mpc107_eumb_addr + 0x300c) /* status */
#define MPC107_I2CDR (mpc107_eumb_addr + 0x3010) /* data */
#define MPC107_I2C_TIMEOUT 10000000
/* i82559 */
#define EE_ADDR_BITS 6
#define EE_SIZE 0x40 /* 0x40 words */
#define EE_CHECKSUM 0xBABA
/* dc21143 */
#define DEC_SROM_SIZE 128
/*
* structure of revision srom
*/
typedef struct {
char magic[8]; /* 000 - Magic number */
char revrev[2]; /* 008 - Revision of structure */
unsigned short size; /* 00A - Size of CRC area */
unsigned long crc; /* 00C - CRC */
char board[16]; /* 010 - Board Revision information */
char option[4][16]; /* 020 - Option Revision information */
char serial[8]; /* 060 - Board serial number */
char etheraddr[6]; /* 068 - Ethernet node addresse */
char reserved[2]; /* 06E - Reserved */
char revision[7][2]; /* 070 - Revision codes */
char category[2]; /* 07E - Category codes */
char text[64]; /* 080 - Text field */
char res[64]; /* 0C0 - Reserved */
} revinfo;
unsigned long el_srom_checksum (unsigned char *ptr, unsigned long size);
int el_srom_load (unsigned char addr, unsigned char *buf, int cnt,
unsigned char device, unsigned char block);
int el_srom_store (unsigned char addr, unsigned char *buf, int cnt,
unsigned char device, unsigned char block);
int mpc107_i2c_init (unsigned long eumb_addr, unsigned long divider);
int mpc107_i2c_read_byte (unsigned char device, unsigned char block, unsigned char offset);
int mpc107_i2c_write_byte (unsigned char device, unsigned char block,
unsigned char offset, unsigned char val);
int mpc107_srom_load (unsigned char addr, unsigned char *pBuf, int cnt,
unsigned char device, unsigned char block);
int mpc107_srom_store (unsigned char addr, unsigned char *pBuf, int cnt,
unsigned char device, unsigned char block);
int dc_srom_load (unsigned short *dest);
int dc_srom_store (unsigned short *src);
unsigned short eepro100_srom_checksum (unsigned short *sromdata);
void eepro100_srom_load (unsigned short *destination);
int eepro100_srom_store (unsigned short *source);