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Commit 98bea8ab authored by Ollie Lho's avatar Ollie Lho
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SST49LF00[2,3,4] should use the same driver as 49LF008 

Corresponding to flashrom svn r27 and coreboot v2 svn r1812.
parent ad8ffd2e
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Showing with 49 additions and 51 deletions
flash_rom.c
View file @ 98bea8ab
......@@ -71,11 +71,11 @@ struct flashchip flashchips[] = {
{"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},
probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub, NULL},
{"SST49LF003A", SST_ID, SST_49LF003A, NULL, 384, 4096,
probe_jedec, erase_chip_jedec, write_49lf040,NULL},
probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub,NULL},
{"SST49LF004A", SST_ID, SST_49LF004A, NULL, 512, 4096,
probe_jedec, erase_chip_jedec, write_49lf040,NULL},
probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub,NULL},
{"SST49LF008A", SST_ID, SST_49LF008A, NULL, 1024, 4096,
probe_sst_fwhub, erase_sst_fwhub, write_sst_fwhub, NULL},
#endif
......@@ -250,9 +250,9 @@ int main(int argc, char *argv[])
sscanf(tempstr,"%x",&exclude_start_position);
break;
case 'e':
tempstr = strdup(optarg);
sscanf(tempstr,"%x",&exclude_end_position);
break;
tempstr = strdup(optarg);
sscanf(tempstr,"%x",&exclude_end_position);
break;
default:
usage(argv[0]);
......@@ -260,7 +260,6 @@ int main(int argc, char *argv[])
}
}
if (read_it && write_it) {
printf("-r and -w are mutually exclusive\n");
usage(argv[0]);
......@@ -285,8 +284,7 @@ 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;
......@@ -303,8 +301,9 @@ int main(int argc, char *argv[])
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);
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);
......@@ -318,15 +317,16 @@ int main(int argc, char *argv[])
fclose(image);
}
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);
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 ((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);
......
jedec.c
View file @ 98bea8ab
......@@ -89,6 +89,7 @@ int erase_sector_jedec(volatile unsigned char *bios, unsigned int page)
return (0);
}
int erase_block_jedec(volatile unsigned char *bios, unsigned int block)
{
volatile unsigned char *Temp;
......@@ -149,43 +150,45 @@ int erase_chip_jedec(struct flashchip *flash)
return (0);
}
void write_page_write_jedec(volatile unsigned char *bios, unsigned char *src,
volatile unsigned char *dst, int page_size)
int write_page_write_jedec(volatile unsigned char *bios, unsigned char *src,
volatile unsigned char *dst, int page_size)
{
int i;
/* Issue JEDEC Data Unprotect comand */
*(volatile char *) (bios + 0x5555) = 0xAA;
*(volatile char *) (bios + 0x2AAA) = 0x55;
*(volatile char *) (bios + 0x5555) = 0xA0;
*(volatile unsigned char *) (bios + 0x5555) = 0xAA;
*(volatile unsigned char *) (bios + 0x2AAA) = 0x55;
*(volatile unsigned char *) (bios + 0x5555) = 0xA0;
/* transfer data from source to destination */
for (i = 0; i < page_size; i++) {
/* transfer data from source to destination */
/* If the data is 0xFF, don't program it */
if (*src == 0xFF)
continue;
*dst++ = *src++;
}
usleep(100);
toggle_ready_jedec(dst - 1);
return 0;
}
int write_byte_program_jedec(volatile unsigned char *bios, unsigned char *src,
volatile unsigned char *dst)
{
volatile unsigned char *Temp;
/* transfer data from source to destination */
/* If the data is 0xFF, don't program it */
if (*src == 0xFF) {
/* If the data is 0xFF, don't program it */
return 0;
}
/* Issue JEDEC Byte Program command */
Temp = bios + 0x5555;
*Temp = 0xAA;
Temp = bios + 0x2AAA;
*Temp = 0x55;
Temp = bios + 0x5555;
*Temp = 0xA0;
*(volatile unsigned char *) (bios + 0x5555) = 0xAA;
*(volatile unsigned char *) (bios + 0x2AAA) = 0x55;
*(volatile unsigned char *) (bios + 0x5555) = 0xA0;
/* transfer data from source to destination */
*dst = *src;
toggle_ready_jedec(bios);
return 0;
......
sst_fwhub.c
View file @ 98bea8ab
......@@ -75,19 +75,17 @@ int probe_sst_fwhub(struct flashchip *flash)
printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
if (id1 != flash->manufacture_id || id2 != flash->model_id)
return 0;
return 0;
myusec_delay(10);
// we need to mmap the write-protect space.
bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
flash->fd_mem, (off_t) (0 - 0x400000 - size));
if (bios == MAP_FAILED) {
// it's this part but we can't map it ...
perror("Error MMAP /dev/mem");
exit(1);
// it's this part but we can't map it ...
perror("Error MMAP /dev/mem");
exit(1);
}
flash->virt_addr_2 = bios;
......@@ -96,9 +94,6 @@ int probe_sst_fwhub(struct flashchip *flash)
unsigned char wait_sst_fwhub(volatile unsigned char *bios)
{
toggle_ready_jedec(bios);
return 0;
}
......@@ -138,16 +133,16 @@ int erase_sst_fwhub(struct flashchip *flash)
return (0);
}
void write_page_sst_fwhub(volatile char *bios, char *src, volatile char *dst,
int page_size)
void write_page_sst_fwhub(volatile char *bios, char *src,
volatile char *dst, int page_size)
{
int i;
for (i = 0; i < page_size; i++) {
/* transfer data from source to destination */
write_byte_program_jedec(bios, src, dst);
src++;
dst++;
write_byte_program_jedec(bios, src, dst);
src++;
dst++;
}
}
......@@ -168,7 +163,7 @@ int write_sst_fwhub(struct flashchip *flash, unsigned char *buf)
for (i = 0; i < total_size / page_size; i++) {
printf("%04d at address: 0x%08x", i, i * page_size);
write_page_sst_fwhub(bios, buf + i * page_size,
bios + i * page_size, page_size);
bios + i * page_size, page_size);
printf
("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
}
......
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