mirror of
https://review.coreboot.org/flashrom.git
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Consolidate more jedec standard code
Corresponding to flashrom svn r15 and coreboot v2 svn r1457.
This commit is contained in:
Ollie Lho
150
flash_rom.c
150
flash_rom.c
@ -48,59 +48,60 @@
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#include "mx29f002.h"
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struct flashchip flashchips[] = {
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{"Am29F040B", AMD_ID, AM_29F040B, NULL, 512, 64*1024,
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{"Am29F040B", AMD_ID, AM_29F040B, NULL, 512, 64 * 1024,
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probe_29f040b, erase_29f040b, write_29f040b, NULL},
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{"At29C040A", ATMEL_ID, AT_29C040A, NULL, 512, 256,
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probe_jedec, erase_jedec, write_jedec, NULL},
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{"Mx29f002", MX_ID, MX_29F002, NULL, 256, 64*1024,
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probe_29f002, erase_29f002, write_29f002, NULL},
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{"SST29EE020A", SST_ID, SST_29EE020A, NULL, 256, 128,
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probe_jedec, erase_jedec, write_jedec, NULL},
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{"SST28SF040A", SST_ID, SST_28SF040, NULL, 512, 256,
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{"At29C040A", ATMEL_ID, AT_29C040A, NULL, 512, 256,
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probe_jedec, erase_chip_jedec, write_jedec, NULL},
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{"Mx29f002", MX_ID, MX_29F002, NULL, 256, 64 * 1024,
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probe_29f002, erase_29f002, write_29f002, NULL},
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{"SST29EE020A", SST_ID, SST_29EE020A, NULL, 256, 128,
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probe_jedec, erase_chip_jedec, write_jedec, NULL},
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{"SST28SF040A", SST_ID, SST_28SF040, NULL, 512, 256,
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probe_28sf040, erase_28sf040, write_28sf040, NULL},
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{"SST39SF020A", SST_ID, SST_39SF020, NULL, 256, 4096,
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probe_jedec, erase_jedec, write_39sf020, NULL},
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{"SST39VF020", SST_ID, SST_39VF020, NULL, 256, 4096,
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probe_jedec, erase_jedec, write_39sf020, NULL},
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{"SST49LF040", SST_ID, SST_49LF040, NULL, 512, 4096,
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probe_jedec, erase_jedec, write_49lf040, NULL},
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{"SST49LF080A", SST_ID, SST_49LF080A, NULL, 1024, 4096,
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probe_jedec, erase_jedec, write_49lf040, NULL},
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{"SST49LF002A", SST_ID, SST_49LF002A, NULL, 256, 4096,
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probe_jedec, erase_jedec, write_49lf040, NULL},
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{"SST49LF003A", SST_ID, SST_49LF003A, NULL, 384, 4096,
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probe_jedec, erase_jedec, write_49lf040, NULL},
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{"SST49LF004A", SST_ID, SST_49LF004A, NULL, 512, 4096,
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probe_jedec, erase_jedec, write_49lf040, NULL},
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{"SST49LF008A", SST_ID, SST_49LF008A, NULL, 1024, 4096,
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probe_jedec, erase_jedec, write_49lf040, NULL},
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{"Pm49FL004", PMC_ID, PMC_49FL004, NULL, 512, 64*1024,
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probe_jedec, erase_jedec, write_49fl004, NULL},
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{"W29C011", WINBOND_ID, W_29C011, NULL, 128, 128,
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probe_jedec, erase_jedec, write_jedec, NULL},
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{"W29C020C", WINBOND_ID, W_29C020C, NULL, 256, 128,
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probe_jedec, erase_jedec, write_jedec, NULL},
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{"W49F002U", WINBOND_ID, W_49F002U, NULL, 256, 128,
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probe_jedec, erase_jedec, write_49f002, NULL},
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{"M29F400BT", ST_ID, ST_M29F400BT ,NULL, 512, 64*1024,
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probe_m29f400bt, erase_m29f400bt, write_linuxbios_m29f400bt, NULL},
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{"82802ab", 137, 173 , NULL, 512, 64*1024,
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probe_82802ab, erase_82802ab, write_82802ab, NULL},
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{"82802ac", 137, 172 , NULL, 1024, 64*1024,
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probe_82802ab, erase_82802ab, write_82802ab, NULL},
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{"SST39SF020A", SST_ID, SST_39SF020, NULL, 256, 4096,
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probe_jedec, erase_chip_jedec, write_39sf020, NULL},
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{"SST39VF020", SST_ID, SST_39VF020, NULL, 256, 4096,
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probe_jedec, erase_chip_jedec, write_39sf020, NULL},
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{"SST49LF040", SST_ID, SST_49LF040, NULL, 512, 4096,
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probe_jedec, erase_chip_jedec, write_49lf040, NULL},
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{"SST49LF080A", SST_ID, SST_49LF080A, NULL, 1024, 4096,
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probe_jedec, erase_chip_jedec, write_49lf040, NULL},
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{"SST49LF002A", SST_ID, SST_49LF002A, NULL, 256, 4096,
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probe_jedec, erase_chip_jedec, write_49lf040, NULL},
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{"SST49LF003A", SST_ID, SST_49LF003A, NULL, 384, 4096,
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probe_jedec, erase_chip_jedec, write_49lf040, NULL},
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{"SST49LF004A", SST_ID, SST_49LF004A, NULL, 512, 4096,
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probe_jedec, erase_chip_jedec, write_49lf040, NULL},
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{"SST49LF008A", SST_ID, SST_49LF008A, NULL, 1024, 4096,
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probe_jedec, erase_chip_jedec, write_49lf040, NULL},
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{"Pm49FL004", PMC_ID, PMC_49FL004, NULL, 512, 64 * 1024,
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probe_jedec, erase_chip_jedec, write_49fl004, NULL},
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{"W29C011", WINBOND_ID, W_29C011, NULL, 128, 128,
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probe_jedec, erase_chip_jedec, write_jedec, NULL},
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{"W29C020C", WINBOND_ID, W_29C020C, NULL, 256, 128,
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probe_jedec, erase_chip_jedec, write_jedec, NULL},
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{"W49F002U", WINBOND_ID, W_49F002U, NULL, 256, 128,
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probe_jedec, erase_chip_jedec, write_49f002, NULL},
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{"M29F400BT", ST_ID, ST_M29F400BT, NULL, 512, 64 * 1024,
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probe_m29f400bt, erase_m29f400bt, write_linuxbios_m29f400bt,
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NULL},
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{"82802ab", 137, 173, NULL, 512, 64 * 1024,
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probe_82802ab, erase_82802ab, write_82802ab, NULL},
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{"82802ac", 137, 172, NULL, 1024, 64 * 1024,
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probe_82802ab, erase_82802ab, write_82802ab, NULL},
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{"MD-2802 (M-Systems DiskOnChip Millennium Module)",
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MSYSTEMS_ID, MSYSTEMS_MD2802,
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NULL, 8, 8*1024,
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NULL, 8, 8 * 1024,
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probe_md2802, erase_md2802, write_md2802, read_md2802},
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{NULL,}
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};
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char *chip_to_probe = NULL;
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struct flashchip * probe_flash(struct flashchip * flash)
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struct flashchip *probe_flash(struct flashchip *flash)
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{
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int fd_mem;
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volatile char * bios;
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volatile char *bios;
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unsigned long size;
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if ((fd_mem = open("/dev/mem", O_RDWR)) < 0) {
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@ -109,21 +110,24 @@ struct flashchip * probe_flash(struct flashchip * flash)
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}
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while (flash->name != NULL) {
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if (chip_to_probe && strcmp(flash->name, chip_to_probe) != 0) {
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if (chip_to_probe
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&& strcmp(flash->name, chip_to_probe) != 0) {
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flash++;
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continue;
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}
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printf("Trying %s, %d KB\n", flash->name, flash->total_size);
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printf("Trying %s, %d KB\n", flash->name,
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flash->total_size);
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size = flash->total_size * 1024;
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/* BUG? what happens if getpagesize() > size!?
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-> ``Error MMAP /dev/mem: Invalid argument'' NIKI */
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if (getpagesize() > size) {
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size = getpagesize();
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printf("%s: warning: size: %d -> %ld\n", __FUNCTION__,
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flash->total_size * 1024, (unsigned long)size);
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printf("%s: warning: size: %d -> %ld\n",
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__FUNCTION__, flash->total_size * 1024,
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(unsigned long) size);
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}
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bios = mmap (0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
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fd_mem, (off_t) (0xffffffff - size + 1));
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bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
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fd_mem, (off_t) (0xffffffff - size + 1));
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if (bios == MAP_FAILED) {
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perror("Error MMAP /dev/mem");
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exit(1);
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@ -132,31 +136,31 @@ struct flashchip * probe_flash(struct flashchip * flash)
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flash->fd_mem = fd_mem;
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if (flash->probe(flash) == 1) {
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printf ("%s found at physical address: 0x%lx\n",
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flash->name, (0xffffffff - size + 1));
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printf("%s found at physical address: 0x%lx\n",
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flash->name, (0xffffffff - size + 1));
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return flash;
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}
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munmap ((void *) bios, size);
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munmap((void *) bios, size);
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flash++;
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}
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return NULL;
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}
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int verify_flash (struct flashchip * flash, char * buf, int verbose)
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int verify_flash(struct flashchip *flash, char *buf, int verbose)
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{
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int i = 0;
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int total_size = flash->total_size *1024;
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volatile char * bios = flash->virt_addr;
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int total_size = flash->total_size * 1024;
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volatile char *bios = flash->virt_addr;
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printf("Verifying address: ");
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while (i < total_size) {
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if (verbose)
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if (verbose)
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printf("0x%08x", i);
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if (*(bios+i) != *(buf+i)) {
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if (*(bios + i) != *(buf + i)) {
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printf("FAILED\n");
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return 0;
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}
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if (verbose)
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if (verbose)
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printf("\b\b\b\b\b\b\b\b\b\b");
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i++;
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}
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@ -180,12 +184,12 @@ void usage(const char *name)
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exit(1);
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}
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int main (int argc, char * argv[])
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int main(int argc, char *argv[])
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{
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char * buf;
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char *buf;
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unsigned long size;
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FILE * image;
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struct flashchip * flash;
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FILE *image;
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struct flashchip *flash;
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int opt;
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int read_it = 0, write_it = 0, verify_it = 0, verbose = 0;
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char *filename = NULL;
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@ -222,7 +226,8 @@ int main (int argc, char * argv[])
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if (optind < argc)
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filename = argv[optind++];
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printf("Calibrating timer since microsleep sucks ... takes a second\n");
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printf
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("Calibrating timer since microsleep sucks ... takes a second\n");
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myusec_calibrate_delay();
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printf("OK, calibrated, now do the deed\n");
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@ -230,22 +235,23 @@ int main (int argc, char * argv[])
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* really need this to be done, etc., etc. It sucks.
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*/
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(void) enable_flash_write();
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if ((flash = probe_flash (flashchips)) == NULL) {
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if ((flash = probe_flash(flashchips)) == NULL) {
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printf("EEPROM not found\n");
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exit(1);
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}
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printf("Part is %s\n", flash->name);
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if (!filename){
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printf("OK, only ENABLING flash write, but NOT FLASHING\n");
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if (!filename) {
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printf
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("OK, only ENABLING flash write, but NOT FLASHING\n");
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return 0;
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}
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size = flash->total_size * 1024;
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buf = (char *) calloc (size, sizeof(char));
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buf = (char *) calloc(size, sizeof(char));
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if (read_it) {
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if ((image = fopen (filename, "w")) == NULL) {
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if ((image = fopen(filename, "w")) == NULL) {
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perror(filename);
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exit(1);
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}
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@ -253,22 +259,22 @@ int main (int argc, char * argv[])
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if (flash->read == NULL)
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memcpy(buf, (const char *) flash->virt_addr, size);
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else
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flash->read (flash, buf);
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flash->read(flash, buf);
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fwrite(buf, sizeof(char), size, image);
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fclose(image);
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printf("done\n");
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} else {
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if ((image = fopen (filename, "r")) == NULL) {
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if ((image = fopen(filename, "r")) == NULL) {
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perror(filename);
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exit(1);
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}
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fread (buf, sizeof(char), size, image);
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fread(buf, sizeof(char), size, image);
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fclose(image);
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}
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if (write_it || (!read_it && !verify_it))
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flash->write (flash, buf);
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flash->write(flash, buf);
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if (verify_it)
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verify_flash (flash, buf, verbose);
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verify_flash(flash, buf, verbose);
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return 0;
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}
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