openwrt/flashrom
1
0
Fork 0
mirror of https://review.coreboot.org/flashrom.git synced 2025-11-04 07:00:39 +01:00
Code Issues Releases Wiki Activity

Tyan update to work with new CPU Config

Browse Source 
Corresponding to flashrom svn r26 and coreboot v2 svn r1693.
This commit is contained in:
Yinghai Lu
2004-10-20 05:07:16 +00:00
parent 1f4d653d8c
commit ad8ffd2e76
2 changed files with 74 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

70
flash_rom.c
View File

@@ -3,6 +3,8 @@
*
*
* Copyright 2000 Silicon Integrated System Corporation
* Copyright 2004 Tyan Corp
* yhlu yhlu@tyan.com add exclude start and end option
*
* 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
@@ -49,6 +51,7 @@
#include "sst_fwhub.h"
struct flashchip flashchips[] = {
#if 1
{"Am29F040B", AMD_ID, AM_29F040B, NULL, 512, 64 * 1024,
probe_29f040b, erase_29f040b, write_29f040b, NULL},
{"At29C040A", ATMEL_ID, AT_29C040A, NULL, 512, 256,
@@ -75,8 +78,10 @@ struct flashchip flashchips[] = {
probe_jedec, erase_chip_jedec, write_49lf040,NULL},
{"SST49LF008A", SST_ID, SST_49LF008A, NULL, 1024, 4096,
probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub, NULL},
#endif
{"Pm49FL004", PMC_ID, PMC_49FL004, NULL, 512, 64 * 1024,
probe_jedec, erase_chip_jedec, write_49fl004,NULL},
#if 1
{"W29C011", WINBOND_ID, W_29C011, NULL, 128, 128,
probe_jedec, erase_chip_jedec, write_jedec, NULL},
{"W29C020C", WINBOND_ID, W_29C020C, NULL, 256, 128,
@@ -93,6 +98,7 @@ struct flashchip flashchips[] = {
MSYSTEMS_ID, MSYSTEMS_MD2802,
NULL, 8, 8 * 1024,
probe_md2802, erase_md2802, write_md2802, read_md2802},
#endif
{NULL,}
};
@@ -171,16 +177,20 @@ int verify_flash(struct flashchip *flash, char *buf, int verbose)
void usage(const char *name)
{
printf("usage: %s [-rwv] [-c chipname][file]\n", name);
printf("usage: %s [-rwv] [-c chipname] [-s exclude_start] [-e exclude_end] [file]\n", name);
printf("-r: read flash and save into file\n"
"-w: write file into flash (default when file is specified)\n"
"-v: verify flash against file\n"
"-c: probe only for specified flash chip\n"
"-s: exclude start position\n"
"-e: exclude end postion\n"
" If no file is specified, then all that happens\n"
" is that flash info is dumped\n");
exit(1);
}
int exclude_start_page, exclude_end_page;
int main(int argc, char *argv[])
{
char *buf;
@@ -191,9 +201,34 @@ int main(int argc, char *argv[])
int read_it = 0, write_it = 0, verify_it = 0, verbose = 0;
char *filename = NULL;
unsigned int exclude_start_position=0, exclude_end_position=0; // [x,y)
char *tempstr=NULL;
#if 0
#if 1
/* Keep fallback image */
exclude_start_position = 0x60000;
exclude_end_position = 0x80000;
#else
/* Keep DMI etc. */
exclude_start_position = 0x60000;
exclude_end_position = 0x70000;
#endif
#endif
if (argc > 1) {
/* Yes, print them. */
int i;
printf ("The arguments are:\n");
for (i = 1; i < argc; ++i)
printf ("%s\n", argv[i]);
}
setbuf(stdout, NULL);
while ((opt = getopt(argc, argv, "rwvVc:")) != EOF) {
while ((opt = getopt(argc, argv, "rwvVc:s:e:")) != EOF) {
switch (opt) {
case 'r':
read_it = 1;
@@ -210,11 +245,22 @@ int main(int argc, char *argv[])
case 'V':
verbose = 1;
break;
case 's':
tempstr = strdup(optarg);
sscanf(tempstr,"%x",&exclude_start_position);
break;
case 'e':
tempstr = strdup(optarg);
sscanf(tempstr,"%x",&exclude_end_position);
break;
default:
usage(argv[0]);
break;
}
}
if (read_it && write_it) {
printf("-r and -w are mutually exclusive\n");
usage(argv[0]);
@@ -239,7 +285,8 @@ int main(int argc, char *argv[])
printf("Part is %s\n", flash->name);
if (!filename) {
printf("OK, only ENABLING flash write, but NOT FLASHING\n");
printf
("OK, only ENABLING flash write, but NOT FLASHING\n");
return 0;
}
size = flash->total_size * 1024;
@@ -255,6 +302,10 @@ int main(int argc, char *argv[])
memcpy(buf, (const char *) flash->virt_addr, size);
else
flash->read(flash, buf);
if(exclude_end_position - exclude_start_position > 0)
memset(buf+exclude_start_position, 0, exclude_end_position-exclude_start_position);
fwrite(buf, sizeof(char), size, image);
fclose(image);
printf("done\n");
@@ -267,8 +318,19 @@ int main(int argc, char *argv[])
fclose(image);
}
if (write_it || (!read_it && !verify_it))
if(exclude_end_position - exclude_start_position > 0)
memcpy(buf+exclude_start_position, (const char *) flash->virt_addr+exclude_start_position,
exclude_end_position-exclude_start_position);
exclude_start_page = exclude_start_position/flash->page_size;
if((exclude_start_position%flash->page_size) != 0) {
exclude_start_page++;
}
exclude_end_page = exclude_end_position/flash->page_size;
if (write_it || (!read_it && !verify_it)) {
flash->write(flash, buf);
}
if (verify_it)
verify_flash(flash, buf, verbose);
return 0;

9
pm49fl004.c
View File

@@ -3,6 +3,7 @@
*
*
* Copyright 2004 Tyan Corporation
* yhlu yhlu@tyan.com add exclude range
*
* 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
@@ -55,15 +56,21 @@ static __inline__ int erase_block_49fl004(volatile unsigned char *bios,
return (0);
}
extern int exclude_start_page, exclude_end_page;
int write_49fl004(struct flashchip *flash, unsigned char *buf)
{
int i;
int total_size = flash->total_size * 1024, page_size =
flash->page_size;
volatile char *bios = flash->virt_addr;
printf("Programming Page: ");
for (i = 0; i < total_size / page_size; i++) {
if( (i>=exclude_start_page) && (i<exclude_end_page))
continue;
/* erase the page before programming */
erase_block_49fl004(bios, i * page_size);