diff options
Diffstat (limited to 'flash_rom.c')
-rw-r--r-- | flash_rom.c | 150 |
1 files changed, 78 insertions, 72 deletions
diff --git a/flash_rom.c b/flash_rom.c index a4bb9867..0213005b 100644 --- a/flash_rom.c +++ b/flash_rom.c @@ -48,59 +48,60 @@ #include "mx29f002.h" struct flashchip flashchips[] = { - {"Am29F040B", AMD_ID, AM_29F040B, NULL, 512, 64*1024, + {"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, + {"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_jedec, write_39sf020, NULL}, - {"SST39VF020", SST_ID, SST_39VF020, NULL, 256, 4096, - probe_jedec, erase_jedec, write_39sf020, NULL}, - {"SST49LF040", SST_ID, SST_49LF040, NULL, 512, 4096, - probe_jedec, erase_jedec, write_49lf040, NULL}, - {"SST49LF080A", SST_ID, SST_49LF080A, NULL, 1024, 4096, - probe_jedec, erase_jedec, write_49lf040, NULL}, - {"SST49LF002A", SST_ID, SST_49LF002A, NULL, 256, 4096, - probe_jedec, erase_jedec, write_49lf040, NULL}, - {"SST49LF003A", SST_ID, SST_49LF003A, NULL, 384, 4096, - probe_jedec, erase_jedec, write_49lf040, NULL}, - {"SST49LF004A", SST_ID, SST_49LF004A, NULL, 512, 4096, - probe_jedec, erase_jedec, write_49lf040, NULL}, - {"SST49LF008A", SST_ID, SST_49LF008A, NULL, 1024, 4096, - probe_jedec, erase_jedec, write_49lf040, NULL}, - {"Pm49FL004", PMC_ID, PMC_49FL004, NULL, 512, 64*1024, - probe_jedec, erase_jedec, write_49fl004, NULL}, - {"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_jedec, erase_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}, + {"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", SST_ID, SST_49LF002A, NULL, 256, 4096, + probe_jedec, erase_chip_jedec, write_49lf040, NULL}, + {"SST49LF003A", SST_ID, SST_49LF003A, NULL, 384, 4096, + probe_jedec, erase_chip_jedec, write_49lf040, NULL}, + {"SST49LF004A", SST_ID, SST_49LF004A, NULL, 512, 4096, + probe_jedec, erase_chip_jedec, write_49lf040, NULL}, + {"SST49LF008A", SST_ID, SST_49LF008A, NULL, 1024, 4096, + probe_jedec, erase_chip_jedec, write_49lf040, 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) { @@ -109,21 +110,24 @@ struct flashchip * probe_flash(struct flashchip * flash) } while (flash->name != NULL) { - if (chip_to_probe && strcmp(flash->name, chip_to_probe) != 0) { + if (chip_to_probe + && strcmp(flash->name, chip_to_probe) != 0) { flash++; continue; } - printf("Trying %s, %d KB\n", flash->name, flash->total_size); + printf("Trying %s, %d KB\n", flash->name, + flash->total_size); size = flash->total_size * 1024; /* BUG? what happens if getpagesize() > size!? -> ``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); @@ -132,31 +136,31 @@ struct flashchip * probe_flash(struct flashchip * flash) 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 total_size = flash->total_size * 1024; + volatile char *bios = flash->virt_addr; printf("Verifying address: "); while (i < total_size) { - if (verbose) + 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++; } @@ -180,12 +184,12 @@ void usage(const char *name) exit(1); } -int main (int argc, char * argv[]) +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; @@ -222,7 +226,8 @@ int main (int argc, char * argv[]) if (optind < argc) filename = argv[optind++]; - printf("Calibrating timer since microsleep sucks ... takes a second\n"); + printf + ("Calibrating timer since microsleep sucks ... takes a second\n"); myusec_calibrate_delay(); printf("OK, calibrated, now do the deed\n"); @@ -230,22 +235,23 @@ int main (int argc, char * argv[]) * 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){ - printf("OK, only ENABLING flash write, but NOT FLASHING\n"); + 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); } @@ -253,22 +259,22 @@ int main (int argc, char * argv[]) if (flash->read == NULL) memcpy(buf, (const char *) flash->virt_addr, size); else - flash->read (flash, buf); + flash->read(flash, buf); 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); + flash->write(flash, buf); if (verify_it) - verify_flash (flash, buf, verbose); + verify_flash(flash, buf, verbose); return 0; } |