mirror of
https://review.coreboot.org/flashrom.git
synced 2025-04-26 22:52:34 +02:00
Dammit
Corresponding to coreboot v1 svn r490.
This commit is contained in:
Ronald G. Minnich
parent
5e5f75e559
commit
fb331567e9
196
flash_rom.c
196
flash_rom.c
@ -1,196 +0,0 @@
|
||||
/*
|
||||
* flash_rom.c: Flash programming utility for SiS 630/950 M/Bs
|
||||
*
|
||||
*
|
||||
* Copyright 2000 Silicon Integrated System Corporation
|
||||
*
|
||||
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*
|
||||
*
|
||||
* Reference:
|
||||
* 1. SiS 630 Specification
|
||||
* 2. SiS 950 Specification
|
||||
*
|
||||
* $Id$
|
||||
*/
|
||||
|
||||
#include <errno.h>
|
||||
#include <fcntl.h>
|
||||
#include <sys/mman.h>
|
||||
#include <sys/io.h>
|
||||
#include <unistd.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#include "flash.h"
|
||||
#include "jedec.h"
|
||||
|
||||
struct flashchip flashchips[] = {
|
||||
{"Am29F040B", AMD_ID, AM_29F040B, NULL, 512, 64*1024,
|
||||
probe_29f040b, erase_29f040b, write_29f040b},
|
||||
{"At29C040A", ATMEL_ID, AT_29C040A, NULL, 512, 256,
|
||||
probe_jedec, erase_jedec, write_jedec},
|
||||
{"Mx29f002", MX_ID, MX_29F002, NULL, 256, 64*1024,
|
||||
probe_29f002, erase_29f002, write_29f002},
|
||||
{"SST29EE020A", SST_ID, SST_29EE020A, NULL, 256, 128,
|
||||
probe_jedec, erase_jedec, write_jedec},
|
||||
{"SST28SF040A", SST_ID, SST_28SF040, NULL, 512, 256,
|
||||
probe_28sf040, erase_28sf040, write_28sf040},
|
||||
{"W29C020C", WINBOND_ID, W_29C020C, NULL, 256, 128,
|
||||
probe_jedec, erase_jedec, write_jedec},
|
||||
{NULL,}
|
||||
};
|
||||
|
||||
int enable_flash_sis630 (void)
|
||||
{
|
||||
char b;
|
||||
|
||||
/* get io privilege access PCI configuration space */
|
||||
if (iopl(3) != 0) {
|
||||
perror("Can not set io priviliage");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/* Enable 0xFFF8000~0xFFFF0000 decoding on SiS 540/630 */
|
||||
outl(0x80000840, 0x0cf8);
|
||||
b = inb(0x0cfc) | 0x0b;
|
||||
outb(b, 0xcfc);
|
||||
/* Flash write enable on SiS 540/630 */
|
||||
outl(0x80000845, 0x0cf8);
|
||||
b = inb(0x0cfd) | 0x40;
|
||||
outb(b, 0xcfd);
|
||||
|
||||
/* The same thing on SiS 950 SuperIO side */
|
||||
outb(0x87, 0x2e);
|
||||
outb(0x01, 0x2e);
|
||||
outb(0x55, 0x2e);
|
||||
outb(0x55, 0x2e);
|
||||
|
||||
if (inb(0x2f) != 0x87) {
|
||||
outb(0x87, 0x4e);
|
||||
outb(0x01, 0x4e);
|
||||
outb(0x55, 0x4e);
|
||||
outb(0xaa, 0x4e);
|
||||
if (inb(0x4f) != 0x87) {
|
||||
printf("Can not access SiS 950\n");
|
||||
return -1;
|
||||
}
|
||||
outb(0x24, 0x4e);
|
||||
b = inb(0x4f) | 0xfc;
|
||||
outb(0x24, 0x4e);
|
||||
outb(b, 0x4f);
|
||||
outb(0x02, 0x4e);
|
||||
outb(0x02, 0x4f);
|
||||
}
|
||||
|
||||
outb(0x24, 0x2e);
|
||||
printf("2f is %#x\n", inb(0x2f));
|
||||
b = inb(0x2f) | 0xfc;
|
||||
outb(0x24, 0x2e);
|
||||
outb(b, 0x2f);
|
||||
|
||||
outb(0x02, 0x2e);
|
||||
outb(0x02, 0x2f);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
struct flashchip * probe_flash(struct flashchip * flash)
|
||||
{
|
||||
int fd_mem;
|
||||
char * bios;
|
||||
unsigned long size;
|
||||
|
||||
if ((fd_mem = open("/dev/mem", O_RDWR)) < 0) {
|
||||
perror("Can not open /dev/mem");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
while (flash->name != NULL) {
|
||||
size = flash->total_size * 1024;
|
||||
bios = mmap (0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
|
||||
fd_mem, (off_t) (0 - size));
|
||||
if (bios == MAP_FAILED) {
|
||||
perror("Error MMAP /dev/mem");
|
||||
exit(1);
|
||||
}
|
||||
flash->virt_addr = bios;
|
||||
|
||||
if (flash->probe(flash) == 1) {
|
||||
printf ("%s found at physical address: 0x%lx\n",
|
||||
flash->name, (0 - size), bios);
|
||||
return flash;
|
||||
}
|
||||
munmap (bios, size);
|
||||
flash++;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int verify_flash (struct flashchip * flash, char * buf)
|
||||
{
|
||||
int i = 0;
|
||||
int total_size = flash->total_size *1024;
|
||||
char * bios = flash->virt_addr;
|
||||
|
||||
printf("Verifying address: ");
|
||||
while (i++ < total_size) {
|
||||
printf("0x%08x", i);
|
||||
if (*(bios+i) != *(buf+i)) {
|
||||
return 0;
|
||||
}
|
||||
printf("\b\b\b\b\b\b\b\b\b\b");
|
||||
}
|
||||
printf("\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
main (int argc, char * argv[])
|
||||
{
|
||||
char * buf;
|
||||
unsigned long size;
|
||||
FILE * image;
|
||||
struct flashchip * flash;
|
||||
|
||||
if (argc > 2){
|
||||
printf("usage: %s [romimage]\n", argv[0]);
|
||||
printf(" If no romimage is specified, then all that happens\n");
|
||||
printf(" is that flash writes are enabled (useful for DoC)\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
enable_flash_sis630 ();
|
||||
|
||||
if ((flash = probe_flash (flashchips)) == NULL) {
|
||||
printf("EEPROM not found\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
if (argc < 2){
|
||||
printf("OK, only ENABLING flash write, but NOT FLASHING\n");
|
||||
exit(0);
|
||||
}
|
||||
size = flash->total_size * 1024;
|
||||
|
||||
if ((image = fopen (argv[1], "r")) == NULL) {
|
||||
perror("Error opening image file");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
buf = (char *) calloc (size, sizeof(char));
|
||||
fread (buf, sizeof(char), size, image);
|
||||
|
||||
flash->write (flash, buf);
|
||||
verify_flash (flash, buf);
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user