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Remove false alarm of erase/write, use verify '-v' if you are not sure about the integrity

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Corresponding to flashrom svn r19 and coreboot v2 svn r1486.
This commit is contained in:
Ollie Lho 2004-03-27 00:18:15 +00:00
parent 070647d114
commit 8b8897a5fd
8 changed files with 77 additions and 138 deletions
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2
flash.h
View File

@ -31,7 +31,7 @@ struct flashchip {
#define MX_ID 0xC2 #define MX_ID 0xC2
#define MX_29F002 0xB0 #define MX_29F002 0xB0
#define SST_ID 0xBF /* SST Manufacturer ID[B code */ #define SST_ID 0xBF /* SST Manufacturer ID code */
#define SST_29EE020A 0x10 /* SST 29EE020 device code */ #define SST_29EE020A 0x10 /* SST 29EE020 device code */
#define SST_28SF040 0x04 /* SST 29EE040 device code */ #define SST_28SF040 0x04 /* SST 29EE040 device code */
#define SST_39SF020 0xB6 /* SST 39SF020 device */ #define SST_39SF020 0xB6 /* SST 39SF020 device */

28
flash_enable.c
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@ -75,8 +75,7 @@ static int enable_flash_e7500(struct pci_dev *dev, char *name)
pci_write_byte(dev, 0x4e, new); pci_write_byte(dev, 0x4e, new);
if (pci_read_byte(dev, 0x4e) != new) { if (pci_read_byte(dev, 0x4e) != new) {
printf printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
0x4e, new, name); 0x4e, new, name);
return -1; return -1;
} }
@ -104,15 +103,12 @@ static int enable_flash_vt8235(struct pci_dev *dev, char *name)
ok = pci_write_byte(dev, 0x40, new); ok = pci_write_byte(dev, 0x40, new);
if (ok != 0) { if (ok != 0) {
printf printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
old, new, name); old, new, name);
} }
/* enable GPIO15 which is connected to write protect. */ /* enable GPIO15 which is connected to write protect. */
base = base = ((pci_read_byte(dev, 0x88) & 0x80) | pci_read_byte(dev, 0x89) << 8);
((pci_read_byte(dev, 0x88) & 0x80) | pci_read_byte(dev, 0x89)
<< 8);
val = inb(base + 0x4d); val = inb(base + 0x4d);
val |= 0x80; val |= 0x80;
outb(val, base + 0x4d); outb(val, base + 0x4d);
@ -133,8 +129,7 @@ static int enable_flash_vt8231(struct pci_dev *dev, char *name)
pci_write_byte(dev, 0x40, val); pci_write_byte(dev, 0x40, val);
if (pci_read_byte(dev, 0x40) != val) { if (pci_read_byte(dev, 0x40) != val) {
printf printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
0x40, val, name); 0x40, val, name);
return -1; return -1;
} }
@ -150,8 +145,7 @@ static int enable_flash_cs5530(struct pci_dev *dev, char *name)
new = pci_read_byte(dev, 0x52); new = pci_read_byte(dev, 0x52);
if (new != 0xee) { if (new != 0xee) {
printf printf("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
0x52, new, name); 0x52, new, name);
return -1; return -1;
} }
@ -167,8 +161,7 @@ static int enable_flash_sc1100(struct pci_dev *dev, char *name)
new = pci_read_byte(dev, 0x52); new = pci_read_byte(dev, 0x52);
if (new != 0xee) { if (new != 0xee) {
printf printf("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
0x52, new, name); 0x52, new, name);
return -1; return -1;
} }
@ -190,8 +183,7 @@ static int enable_flash_sis5595(struct pci_dev *dev, char *name)
newer = pci_read_byte(dev, 0x45); newer = pci_read_byte(dev, 0x45);
if (newer != new) { if (newer != new) {
printf printf("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
("tried to set register 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
0x45, new, name); 0x45, new, name);
printf("Stuck at 0x%x\n", newer); printf("Stuck at 0x%x\n", newer);
return -1; return -1;
@ -214,8 +206,7 @@ static int enable_flash_amd8111(struct pci_dev *dev, char *name)
if (new != old) { if (new != old) {
pci_write_byte(dev, 0x43, new); pci_write_byte(dev, 0x43, new);
if (pci_read_byte(dev, 0x43) != new) { if (pci_read_byte(dev, 0x43) != new) {
printf printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
0x43, new, name); 0x43, new, name);
} }
} }
@ -227,8 +218,7 @@ static int enable_flash_amd8111(struct pci_dev *dev, char *name)
pci_write_byte(dev, 0x40, new); pci_write_byte(dev, 0x40, new);
if (pci_read_byte(dev, 0x40) != new) { if (pci_read_byte(dev, 0x40) != new) {
printf printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
0x40, new, name); 0x40, new, name);
return -1; return -1;
} }

12
flash_rom.c
View File

@ -83,8 +83,7 @@ struct flashchip flashchips[] = {
{"W49F002U", WINBOND_ID, W_49F002U, NULL, 256, 128, {"W49F002U", WINBOND_ID, W_49F002U, NULL, 256, 128,
probe_jedec, erase_chip_jedec, write_49f002, NULL}, probe_jedec, erase_chip_jedec, write_49f002, NULL},
{"M29F400BT", ST_ID, ST_M29F400BT, NULL, 512, 64 * 1024, {"M29F400BT", ST_ID, ST_M29F400BT, NULL, 512, 64 * 1024,
probe_m29f400bt, erase_m29f400bt, write_linuxbios_m29f400bt, probe_m29f400bt, erase_m29f400bt, write_linuxbios_m29f400bt, NULL},
NULL},
{"82802ab", 137, 173, NULL, 512, 64 * 1024, {"82802ab", 137, 173, NULL, 512, 64 * 1024,
probe_82802ab, erase_82802ab, write_82802ab, NULL}, probe_82802ab, erase_82802ab, write_82802ab, NULL},
{"82802ac", 137, 172, NULL, 1024, 64 * 1024, {"82802ac", 137, 172, NULL, 1024, 64 * 1024,
@ -110,13 +109,11 @@ struct flashchip *probe_flash(struct flashchip *flash)
} }
while (flash->name != NULL) { while (flash->name != NULL) {
if (chip_to_probe if (chip_to_probe && strcmp(flash->name, chip_to_probe) != 0) {
&& strcmp(flash->name, chip_to_probe) != 0) {
flash++; flash++;
continue; continue;
} }
printf("Trying %s, %d KB\n", flash->name, printf("Trying %s, %d KB\n", flash->name, flash->total_size);
flash->total_size);
size = flash->total_size * 1024; size = flash->total_size * 1024;
/* BUG? what happens if getpagesize() > size!? /* BUG? what happens if getpagesize() > size!?
-> ``Error MMAP /dev/mem: Invalid argument'' NIKI */ -> ``Error MMAP /dev/mem: Invalid argument'' NIKI */
@ -225,8 +222,7 @@ int main(int argc, char *argv[])
if (optind < argc) if (optind < argc)
filename = argv[optind++]; filename = argv[optind++];
printf printf("Calibrating timer since microsleep sucks ... takes a second\n");
("Calibrating timer since microsleep sucks ... takes a second\n");
myusec_calibrate_delay(); myusec_calibrate_delay();
printf("OK, calibrated, now do the deed\n"); printf("OK, calibrated, now do the deed\n");

19
jedec.c
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@ -120,7 +120,7 @@ int erase_chip_jedec(struct flashchip *flash)
return (0); return (0);
} }
void write_page_jedec(volatile char *bios, char *src, volatile char *dst, void write_page_write_jedec(volatile char *bios, char *src, volatile char *dst,
int page_size) int page_size)
{ {
int i; int i;
@ -139,16 +139,11 @@ void write_page_jedec(volatile char *bios, char *src, volatile char *dst,
toggle_ready_jedec(dst - 1); toggle_ready_jedec(dst - 1);
} }
int wirte_byte_program_jedec(volatile unsigned char *bios, unsigned char *src, int write_byte_program_jedec(volatile unsigned char *bios, unsigned char *src,
volatile unsigned char *dst) volatile unsigned char *dst)
{ {
volatile unsigned char *Temp; volatile unsigned char *Temp;
if (*dst != 0xff) {
printf("FATAL: dst %p not erased (val 0x%x)\n",
dst, *dst);
return (-1);
}
/* transfer data from source to destination */ /* transfer data from source to destination */
if (*src == 0xFF) { if (*src == 0xFF) {
dst++, src++; dst++, src++;
@ -164,10 +159,7 @@ int wirte_byte_program_jedec(volatile unsigned char *bios, unsigned char *src,
*Temp = 0xA0; *Temp = 0xA0;
*dst = *src; *dst = *src;
toggle_ready_jedec(bios); toggle_ready_jedec(bios);
if (*dst != *src)
printf("BAD! dst 0x%lx val 0x%x src 0x%x\n",
(unsigned long) dst, *dst, *src);
dst++, src++;
return 0; return 0;
} }
@ -178,7 +170,8 @@ int write_sector_jedec(volatile unsigned char *bios, unsigned char *src,
int i; int i;
for (i = 0; i < page_size; i++) { for (i = 0; i < page_size; i++) {
wirte_byte_program_jedec(bios, src, dst); write_byte_program_jedec(bios, src, dst);
dst++, src++;
} }
return (0); return (0);
@ -199,7 +192,7 @@ int write_jedec(struct flashchip *flash, unsigned char *buf)
printf("Programming Page: "); printf("Programming Page: ");
for (i = 0; i < total_size / page_size; i++) { for (i = 0; i < total_size / page_size; i++) {
printf("%04d at address: 0x%08x", i, i * page_size); printf("%04d at address: 0x%08x", i, i * page_size);
write_page_jedec(bios, buf + i * page_size, write_page_write_jedec(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"); 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");
} }

4
jedec.h
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@ -17,7 +17,7 @@ extern __inline__ void toggle_ready_jedec(volatile char *dst)
tmp1 = *dst & 0x40; tmp1 = *dst & 0x40;
while (i++ < 0xFFFFFF) { while (i++ < 0xFFFFFFF) {
tmp2 = *dst & 0x40; tmp2 = *dst & 0x40;
if (tmp1 == tmp2) { if (tmp1 == tmp2) {
break; break;
@ -33,7 +33,7 @@ extern __inline__ void data_polling_jedec(volatile char *dst, char data)
data &= 0x80; data &= 0x80;
while (i++ < 0xFFFFFF) { while (i++ < 0xFFFFFFF) {
tmp = *dst & 0x80; tmp = *dst & 0x80;
if (tmp == data) { if (tmp == data) {
break; break;

42
pm49fl004.c
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@ -55,43 +55,6 @@ static __inline__ int erase_block_49fl004(volatile unsigned char *bios,
return (0); return (0);
} }
static __inline__ int write_block_49fl004(volatile char *bios,
unsigned char *src,
volatile unsigned char *dst,
unsigned int page_size)
{
int i;
volatile char *Temp;
for (i = 0; i < page_size; i++) {
if (*dst != 0xff) {
printf("FATAL: dst %p not erased (val 0x%x\n", dst,
*dst);
return (-1);
}
/* transfer data from source to destination */
if (*src == 0xFF) {
dst++, src++;
/* If the data is 0xFF, don't program it */
continue;
}
Temp = (bios + 0x5555);
*Temp = 0xAA;
Temp = bios + 0x2AAA;
*Temp = 0x55;
Temp = bios + 0x5555;
*Temp = 0xA0;
*dst = *src;
toggle_ready_jedec(bios);
if (*dst != *src)
printf("BAD! dst 0x%lx val 0x%x src 0x%x\n",
(unsigned long) dst, *dst, *src);
dst++, src++;
}
return (0);
}
int write_49fl004(struct flashchip *flash, unsigned char *buf) int write_49fl004(struct flashchip *flash, unsigned char *buf)
{ {
int i; int i;
@ -106,10 +69,9 @@ int write_49fl004(struct flashchip *flash, unsigned char *buf)
/* write to the sector */ /* write to the sector */
printf("%04d at address: 0x%08x", i, i * page_size); printf("%04d at address: 0x%08x", i, i * page_size);
write_block_49fl004(bios, buf + i * page_size, write_sector_jedec(bios, buf + i * page_size,
bios + i * page_size, page_size); bios + i * page_size, page_size);
printf 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");
("\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");
fflush(stdout); fflush(stdout);
} }
printf("\n"); printf("\n");

3
sst28sf040.c
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@ -163,8 +163,7 @@ int write_28sf040(struct flashchip *flash, unsigned char *buf)
printf("%04d at address: 0x%08x", i, i * page_size); printf("%04d at address: 0x%08x", i, i * page_size);
write_sector_28sf040(bios, buf + i * page_size, write_sector_28sf040(bios, buf + i * page_size,
bios + i * page_size, page_size); bios + i * page_size, page_size);
printf 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");
("\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");
} }
printf("\n"); printf("\n");

7
sst49lf040.c
View File

@ -33,8 +33,8 @@
int write_49lf040(struct flashchip *flash, unsigned char *buf) int write_49lf040(struct flashchip *flash, unsigned char *buf)
{ {
int i; int i;
int total_size = flash->total_size * 1024, page_size = int total_size = flash->total_size * 1024;
flash->page_size; int page_size = flash->page_size;
volatile char *bios = flash->virt_addr; volatile char *bios = flash->virt_addr;
printf("Programming Page: "); printf("Programming Page: ");
@ -48,8 +48,7 @@ int write_49lf040(struct flashchip *flash, unsigned char *buf)
printf("%04d at address: 0x%08x ", i, i * page_size); printf("%04d at address: 0x%08x ", i, i * page_size);
write_sector_jedec(bios, buf + i * page_size, write_sector_jedec(bios, buf + i * page_size,
bios + i * page_size, page_size); bios + i * page_size, page_size);
printf 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\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\b\b");
fflush(stdout); fflush(stdout);
} }
printf("\n"); printf("\n");