*
*
* 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
#include "sst49lf040.h"
#include "pm49fl004.h"
#include "mx29f002.h"
+#include "sst_fwhub.h"
struct flashchip flashchips[] = {
- {"Am29F040B", AMD_ID, AM_29F040B, NULL, 512, 64*1024,
- probe_29f040b, erase_29f040b, write_29f040b, NULL},
- {"At29C040A", ATMEL_ID, AT_29C040A, NULL, 512, 256,
- probe_jedec, erase_jedec, write_jedec, NULL},
- {"Mx29f002", MX_ID, MX_29F002, NULL, 256, 64*1024,
- probe_29f002, erase_29f002, write_29f002, NULL},
- {"SST29EE020A", SST_ID, SST_29EE020A, NULL, 256, 128,
- probe_jedec, erase_jedec, write_jedec, NULL},
- {"SST28SF040A", SST_ID, SST_28SF040, NULL, 512, 256,
- probe_28sf040, erase_28sf040, write_28sf040, NULL},
- {"SST39SF020A", SST_ID, SST_39SF020, NULL, 256, 4096,
- probe_39sf020, erase_39sf020, write_39sf020, NULL},
- {"SST39VF020", SST_ID, SST_39VF020, NULL, 256, 4096,
- probe_39sf020, erase_39sf020, write_39sf020, NULL},
- {"SST49LF040", SST_ID, SST_49LF040, NULL, 512, 4096,
- probe_49lf040, erase_49lf040, write_49lf040, NULL},
- //By LYH begin
- {"Pm49FL004", PMC_ID, PMC_49FL004, NULL, 512, 64*1024,
- probe_49fl004, erase_49fl004, write_49fl004, NULL},
- //END
- {"W29C011", WINBOND_ID, W_29C011, NULL, 128, 128,
- probe_jedec, erase_jedec, write_jedec, NULL},
- {"W29C020C", WINBOND_ID, W_29C020C, NULL, 256, 128,
- probe_jedec, erase_jedec, write_jedec, NULL},
- {"W49F002U", WINBOND_ID, W_49F002U, NULL, 256, 128,
- probe_49f002, erase_49f002, write_49f002, NULL},
- {"M29F400BT", ST_ID, ST_M29F400BT , NULL, 512, 64*1024,
- probe_m29f400bt, erase_m29f400bt, write_linuxbios_m29f400bt, NULL},
- {"82802ab", 137, 173 , NULL, 512, 64*1024,
- probe_82802ab, erase_82802ab, write_82802ab, NULL},
- {"82802ac", 137, 172 , NULL, 1024, 64*1024,
- probe_82802ab, erase_82802ab, write_82802ab, NULL},
+ {"Am29F040B", AMD_ID, AM_29F040B, NULL, 512, 64 * 1024,
+ probe_29f040b, erase_29f040b, write_29f040b, NULL},
+ {"At29C040A", ATMEL_ID, AT_29C040A, NULL, 512, 256,
+ probe_jedec, erase_chip_jedec, write_jedec, NULL},
+ {"Mx29f002", MX_ID, MX_29F002, NULL, 256, 64 * 1024,
+ probe_29f002, erase_29f002, write_29f002, NULL},
+ {"SST29EE020A", SST_ID, SST_29EE020A, NULL, 256, 128,
+ probe_jedec, erase_chip_jedec, write_jedec, NULL},
+ {"SST28SF040A", SST_ID, SST_28SF040, NULL, 512, 256,
+ probe_28sf040, erase_28sf040, write_28sf040, NULL},
+ {"SST39SF020A", SST_ID, SST_39SF020, NULL, 256, 4096,
+ probe_jedec, erase_chip_jedec, write_39sf020,NULL},
+ {"SST39VF020", SST_ID, SST_39VF020, NULL, 256, 4096,
+ probe_jedec, erase_chip_jedec, write_39sf020,NULL},
+ {"SST49LF040", SST_ID, SST_49LF040, NULL, 512, 4096,
+ probe_jedec, erase_chip_jedec, write_49lf040,NULL},
+ {"SST49LF080A", SST_ID, SST_49LF080A, NULL, 1024, 4096,
+ probe_jedec, erase_chip_jedec, write_49lf040,NULL},
+ {"SST49LF002A/B", SST_ID, SST_49LF002A, NULL, 256, 16 * 1024,
+ probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub, NULL},
+ {"SST49LF003A/B", SST_ID, SST_49LF003A, NULL, 384, 64 * 1024,
+ probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub,NULL},
+ {"SST49LF004A/B", SST_ID, SST_49LF004A, NULL, 512, 64 * 1024,
+ probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub,NULL},
+ {"SST49LF008A", SST_ID, SST_49LF008A, NULL, 1024, 64 * 1024 ,
+ probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub, NULL},
+ {"Pm49FL004", PMC_ID, PMC_49FL004, NULL, 512, 64 * 1024,
+ probe_jedec, erase_chip_jedec, write_49fl004,NULL},
+ {"W29C011", WINBOND_ID, W_29C011, NULL, 128, 128,
+ probe_jedec, erase_chip_jedec, write_jedec, NULL},
+ {"W29C020C", WINBOND_ID, W_29C020C, NULL, 256, 128,
+ probe_jedec, erase_chip_jedec, write_jedec, NULL},
+ {"W49F002U", WINBOND_ID, W_49F002U, NULL, 256, 128,
+ probe_jedec, erase_chip_jedec, write_49f002, NULL},
+ {"M29F400BT", ST_ID, ST_M29F400BT, NULL, 512, 64 * 1024,
+ probe_m29f400bt, erase_m29f400bt, write_linuxbios_m29f400bt, NULL},
+ {"82802ab", 137, 173, NULL, 512, 64 * 1024,
+ probe_82802ab, erase_82802ab, write_82802ab, NULL},
+ {"82802ac", 137, 172, NULL, 1024, 64 * 1024,
+ probe_82802ab, erase_82802ab, write_82802ab, NULL},
{"MD-2802 (M-Systems DiskOnChip Millennium Module)",
MSYSTEMS_ID, MSYSTEMS_MD2802,
- NULL, 8, 8*1024,
+ NULL, 8, 8 * 1024,
probe_md2802, erase_md2802, write_md2802, read_md2802},
{NULL,}
};
char *chip_to_probe = NULL;
-struct flashchip * probe_flash(struct flashchip * flash)
+struct flashchip *probe_flash(struct flashchip *flash)
{
int fd_mem;
- volatile char * bios;
+ volatile char *bios;
unsigned long size;
if ((fd_mem = open("/dev/mem", O_RDWR)) < 0) {
-> ``Error MMAP /dev/mem: Invalid argument'' NIKI */
if (getpagesize() > size) {
size = getpagesize();
- printf("%s: warning: size: %d -> %ld\n", __FUNCTION__,
- flash->total_size * 1024, (unsigned long)size);
+ printf("%s: warning: size: %d -> %ld\n",
+ __FUNCTION__, flash->total_size * 1024,
+ (unsigned long) size);
}
- bios = mmap (0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
- fd_mem, (off_t) (0xffffffff - size + 1));
+ bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
+ fd_mem, (off_t) (0xffffffff - size + 1));
if (bios == MAP_FAILED) {
perror("Error MMAP /dev/mem");
exit(1);
flash->fd_mem = fd_mem;
if (flash->probe(flash) == 1) {
- printf ("%s found at physical address: 0x%lx\n",
- flash->name, (0xffffffff - size + 1));
+ printf("%s found at physical address: 0x%lx\n",
+ flash->name, (0xffffffff - size + 1));
return flash;
}
- munmap ((void *) bios, size);
+ munmap((void *) bios, size);
flash++;
}
return NULL;
}
-int verify_flash (struct flashchip * flash, char * buf, int verbose)
+int verify_flash(struct flashchip *flash, char *buf, int verbose)
{
- int i = 0;
- int total_size = flash->total_size *1024;
- volatile char * bios = flash->virt_addr;
+ int i;
+ int total_size = flash->total_size * 1024;
+ volatile char *bios = flash->virt_addr;
printf("Verifying address: ");
- while (i < total_size) {
- if (verbose)
+ for (i = 0; i < total_size; i++) {
+ if (verbose)
printf("0x%08x", i);
- if (*(bios+i) != *(buf+i)) {
+ if (*(bios + i) != *(buf + i)) {
printf("FAILED\n");
return 0;
}
- if (verbose)
+ if (verbose)
printf("\b\b\b\b\b\b\b\b\b\b");
- i++
}
if (verbose)
printf("\n");
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 main (int argc, char * argv[])
+int exclude_start_page, exclude_end_page;
+
+int main(int argc, char *argv[])
{
- char * buf;
+ char *buf;
unsigned long size;
- FILE * image;
- struct flashchip * flash;
+ FILE *image;
+ struct flashchip *flash;
int opt;
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 (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;
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]);
* really need this to be done, etc., etc. It sucks.
*/
(void) enable_flash_write();
-
- if ((flash = probe_flash (flashchips)) == NULL) {
+
+ if ((flash = probe_flash(flashchips)) == NULL) {
printf("EEPROM not found\n");
exit(1);
}
printf("Part is %s\n", flash->name);
- if (!filename){
+ if (!filename) {
printf("OK, only ENABLING flash write, but NOT FLASHING\n");
return 0;
}
size = flash->total_size * 1024;
- buf = (char *) calloc (size, sizeof(char));
+ buf = (char *) calloc(size, sizeof(char));
if (read_it) {
- if ((image = fopen (filename, "w")) == NULL) {
+ if ((image = fopen(filename, "w")) == NULL) {
perror(filename);
exit(1);
}
printf("Reading Flash...");
- if(flash->read == NULL)
+ if (flash->read == NULL)
memcpy(buf, (const char *) flash->virt_addr, size);
else
- flash->read (flash, buf);
+ 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");
} else {
- if ((image = fopen (filename, "r")) == NULL) {
+ if ((image = fopen(filename, "r")) == NULL) {
perror(filename);
exit(1);
}
- fread (buf, sizeof(char), size, image);
+ fread(buf, sizeof(char), size, image);
fclose(image);
}
- if (write_it || (!read_it && !verify_it))
- flash->write (flash, buf);
+ 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);
+ verify_flash(flash, buf, verbose);
return 0;
}
projects / coreboot.git / blobdiff