remove duplicated code
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1456 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Li-Ta Lo
parent
b9e06c2692
commit
6a1a1102ea
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@ -59,33 +59,30 @@ struct flashchip flashchips[] = {
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{"SST28SF040A", SST_ID, SST_28SF040, NULL, 512, 256,
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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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probe_28sf040, erase_28sf040, write_28sf040, NULL},
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{"SST39SF020A", SST_ID, SST_39SF020, NULL, 256, 4096,
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{"SST39SF020A", SST_ID, SST_39SF020, NULL, 256, 4096,
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probe_39sf020, erase_39sf020, write_39sf020, NULL},
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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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{"SST39VF020", SST_ID, SST_39VF020, NULL, 256, 4096,
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probe_39sf020, erase_39sf020, write_39sf020, NULL},
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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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{"SST49LF040", SST_ID, SST_49LF040, NULL, 512, 4096,
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probe_49lf040, erase_49lf040, write_49lf040, NULL},
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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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{"SST49LF080A", SST_ID, SST_49LF080A, NULL, 1024, 4096,
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probe_49lf040, erase_49lf040, write_49lf040, NULL},
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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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{"SST49LF002A", SST_ID, SST_49LF002A, NULL, 256, 4096,
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probe_49lf040, erase_49lf040, write_49lf040, NULL},
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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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{"SST49LF003A", SST_ID, SST_49LF003A, NULL, 384, 4096,
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probe_49lf040, erase_49lf040, write_49lf040, NULL},
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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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{"SST49LF004A", SST_ID, SST_49LF004A, NULL, 512, 4096,
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probe_49lf040, erase_49lf040, write_49lf040, NULL},
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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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{"SST49LF008A", SST_ID, SST_49LF008A, NULL, 1024, 4096,
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probe_49lf040, erase_49lf040, write_49lf040, NULL},
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probe_jedec, erase_jedec, write_49lf040, NULL},
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//By LYH begin
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{"Pm49FL004", PMC_ID, PMC_49FL004, NULL, 512, 64*1024,
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{"Pm49FL004", PMC_ID, PMC_49FL004, NULL, 512, 64*1024,
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probe_49fl004, erase_49fl004, write_49fl004, NULL},
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probe_jedec, erase_jedec, write_49fl004, NULL},
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//END
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{"W29C011", WINBOND_ID, W_29C011, NULL, 128, 128,
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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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probe_jedec, erase_jedec, write_jedec, NULL},
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{"W29C020C", WINBOND_ID, W_29C020C, NULL, 256, 128,
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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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probe_jedec, erase_jedec, write_jedec, NULL},
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{"W49F002U", WINBOND_ID, W_49F002U, NULL, 256, 128,
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{"W49F002U", WINBOND_ID, W_49F002U, NULL, 256, 128,
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probe_49f002, erase_49f002, write_49f002, NULL},
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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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{"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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probe_m29f400bt, erase_m29f400bt, write_linuxbios_m29f400bt, NULL},
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{"82802ab", 137, 173 , NULL, 512, 64*1024,
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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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probe_82802ab, erase_82802ab, write_82802ab, NULL},
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@ -253,7 +250,7 @@ int main (int argc, char * argv[])
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exit(1);
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exit(1);
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}
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}
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printf("Reading Flash...");
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printf("Reading Flash...");
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if(flash->read == NULL)
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if (flash->read == NULL)
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memcpy(buf, (const char *) flash->virt_addr, size);
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memcpy(buf, (const char *) flash->virt_addr, size);
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else
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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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@ -30,44 +30,89 @@
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int probe_jedec (struct flashchip * flash)
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int probe_jedec (struct flashchip * flash)
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{
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{
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volatile char * bios = flash->virt_addr;
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volatile char * bios = flash->virt_addr;
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unsigned char id1, id2;
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unsigned char id1, id2;
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*(volatile char *) (bios + 0x5555) = 0xAA;
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*(volatile char *) (bios + 0x5555) = 0xAA;
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*(volatile char *) (bios + 0x2AAA) = 0x55;
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myusec_delay(10);
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*(volatile char *) (bios + 0x5555) = 0x90;
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*(volatile char *) (bios + 0x2AAA) = 0x55;
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myusec_delay(10);
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*(volatile char *) (bios + 0x5555) = 0x90;
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myusec_delay(10);
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myusec_delay(10);
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id1 = *(volatile unsigned char *) bios;
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id2 = *(volatile unsigned char *) (bios + 0x01);
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id1 = *(volatile unsigned char *) bios;
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*(volatile char *) (bios + 0x5555) = 0xAA;
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id2 = *(volatile unsigned char *) (bios + 0x01);
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myusec_delay(10);
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*(volatile char *) (bios + 0x2AAA) = 0x55;
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*(volatile char *) (bios + 0x5555) = 0xAA;
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myusec_delay(10);
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*(volatile char *) (bios + 0x2AAA) = 0x55;
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*(volatile char *) (bios + 0x5555) = 0xF0;
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*(volatile char *) (bios + 0x5555) = 0xF0;
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myusec_delay(10);
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myusec_delay(10);
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printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
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printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
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if (id1 == flash->manufacture_id && id2 == flash->model_id)
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if (id1 == flash->manufacture_id && id2 == flash->model_id)
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return 1;
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return 1;
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return 0;
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return 0;
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}
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int erase_sector_jedec (volatile char * bios, unsigned int page)
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{
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/* Chip erase function does not exist for LPC mode on 49lf040.
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* Erase sector-by-sector instead. */
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volatile unsigned char *Temp;
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/* Issue the Sector Erase command to 40LF040 */
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Temp = bios + 0x5555; /* set up address to be C000:5555h */
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*Temp = 0xAA; /* write data 0xAA to the address */
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myusec_delay(10);
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Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
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*Temp = 0x55; /* write data 0x55 to the address */
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myusec_delay(10);
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Temp = bios + 0x5555; /* set up address to be C000:5555h */
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*Temp = 0x80; /* write data 0x80 to the address */
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myusec_delay(10);
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Temp = bios + 0x5555; /* set up address to be C000:5555h */
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*Temp = 0xAA; /* write data 0xAA to the address */
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myusec_delay(10);
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Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
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*Temp = 0x55; /* write data 0x55 to the address */
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myusec_delay(10);
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Temp = bios + page; /* set up address to be the current sector */
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*Temp = 0x30; /* write data 0x30 to the address */
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/* wait for Toggle bit ready */
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toggle_ready_jedec(bios);
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return(0);
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}
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}
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int erase_jedec (struct flashchip * flash)
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int erase_jedec (struct flashchip * flash)
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{
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{
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volatile char * bios = flash->virt_addr;
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volatile unsigned char * bios = flash->virt_addr;
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volatile unsigned char *Temp;
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*(volatile char *) (bios + 0x5555) = 0xAA;
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*(volatile char *) (bios + 0x2AAA) = 0x55;
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*(volatile char *) (bios + 0x5555) = 0x80;
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*(volatile char *) (bios + 0x5555) = 0xAA;
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*(volatile char *) (bios + 0x2AAA) = 0x55;
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*(volatile char *) (bios + 0x5555) = 0x10;
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/* Issue the Sector Erase command to 39SF020 */
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Temp = bios + 0x5555; /* set up address to be C000:5555h */
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*Temp = 0xAA; /* write data 0xAA to the address */
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myusec_delay(10);
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myusec_delay(10);
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Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
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*Temp = 0x55; /* write data 0x55 to the address */
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myusec_delay(10);
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Temp = bios + 0x5555; /* set up address to be C000:5555h */
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*Temp = 0x80; /* write data 0x80 to the address */
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myusec_delay(10);
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Temp = bios + 0x5555; /* set up address to be C000:5555h */
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*Temp = 0xAA; /* write data 0xAA to the address */
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myusec_delay(10);
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Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
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*Temp = 0x55; /* write data 0x55 to the address */
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myusec_delay(10);
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Temp = bios + 0x5555; /* set up address to be C000:5555h */
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*Temp = 0x10; /* write data 0x55 to the address */
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myusec_delay(10);
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toggle_ready_jedec(bios);
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toggle_ready_jedec(bios);
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return(0);
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return(0);
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@ -45,6 +45,8 @@ extern __inline__ void protect_jedec (volatile char * bios)
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usleep(200);
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usleep(200);
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}
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}
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extern int erase_sector_jedec (volatile char * bios, unsigned int page);
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extern __inline__ void write_page_jedec (volatile char * bios, char * src, volatile char * dst,
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extern __inline__ void write_page_jedec (volatile char * bios, char * src, volatile char * dst,
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int page_size)
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int page_size)
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{
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{
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@ -63,4 +65,40 @@ extern __inline__ void write_page_jedec (volatile char * bios, char * src, volat
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toggle_ready_jedec(dst-1);
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toggle_ready_jedec(dst-1);
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}
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}
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static __inline__ int write_sector_jedec(volatile char * bios,
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unsigned char * src,
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volatile unsigned char * dst,
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unsigned int page_size)
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{
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int i;
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volatile char *Temp;
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for (i = 0; i < page_size; i++) {
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if (*dst != 0xff) {
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printf("FATAL: dst %p not erased (val 0x%x\n", dst, *dst);
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return(-1);
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}
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/* transfer data from source to destination */
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if (*src == 0xFF) {
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dst++, src++;
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/* If the data is 0xFF, don't program it */
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continue;
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}
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Temp = (bios + 0x5555);
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*Temp = 0xAA;
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Temp = bios + 0x2AAA;
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*Temp = 0x55;
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Temp = bios + 0x5555;
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*Temp = 0xA0;
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*dst = *src;
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toggle_ready_jedec(bios);
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if (*dst != *src)
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printf("BAD! dst 0x%lx val 0x%x src 0x%x\n",
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(unsigned long)dst, *dst, *src);
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dst++, src++;
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}
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return(0);
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}
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#endif /* !__JEDEC_H__ */
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#endif /* !__JEDEC_H__ */
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@ -35,23 +35,23 @@ static __inline__ int erase_block_49fl004 ( volatile unsigned char * bios ,unsig
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{
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{
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volatile unsigned char *Temp;
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volatile unsigned char *Temp;
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Temp = bios + 0x5555; /* set up address to be C000:5555h */
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Temp = bios + 0x5555; /* set up address to be C000:5555h */
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*Temp = 0xAA; /* write data 0xAA to the address */
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*Temp = 0xAA; /* write data 0xAA to the address */
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myusec_delay(10);
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myusec_delay(10);
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Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
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Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
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*Temp = 0x55; /* write data 0x55 to the address */
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*Temp = 0x55; /* write data 0x55 to the address */
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myusec_delay(10);
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myusec_delay(10);
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Temp = bios + 0x5555; /* set up address to be C000:5555h */
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Temp = bios + 0x5555; /* set up address to be C000:5555h */
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*Temp = 0x80; /* write data 0x80 to the address */
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*Temp = 0x80; /* write data 0x80 to the address */
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myusec_delay(10);
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myusec_delay(10);
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Temp = bios + 0x5555; /* set up address to be C000:5555h */
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Temp = bios + 0x5555; /* set up address to be C000:5555h */
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*Temp = 0xAA; /* write data 0xAA to the address */
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*Temp = 0xAA; /* write data 0xAA to the address */
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myusec_delay(10);
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myusec_delay(10);
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Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
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Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
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*Temp = 0x55; /* write data 0x55 to the address */
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*Temp = 0x55; /* write data 0x55 to the address */
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myusec_delay(10);
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myusec_delay(10);
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Temp = bios + address; /* set up address to be C000:5555h */
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Temp = bios + address; /* set up address to be C000:5555h */
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*Temp = 0x50; /* write data 0x55 to the address */
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*Temp = 0x50; /* write data 0x50 to the address */
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/* wait for Toggle bit ready */
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/* wait for Toggle bit ready */
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toggle_ready_jedec(bios);
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toggle_ready_jedec(bios);
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@ -95,66 +95,6 @@ static __inline__ int write_block_49fl004(volatile char * bios,
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return(0);
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return(0);
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}
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}
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int probe_49fl004 (struct flashchip * flash)
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{
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volatile char * bios = flash->virt_addr;
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unsigned char id1, id2;
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*(volatile char *) (bios + 0x5555) = 0xAA;
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myusec_delay(10);
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*(volatile char *) (bios + 0x2AAA) = 0x55;
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myusec_delay(10);
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*(volatile char *) (bios + 0x5555) = 0x90;
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myusec_delay(10);
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id1 = *(volatile unsigned char *) bios;
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id2 = *(volatile unsigned char *) (bios + 0x01);
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*(volatile char *) (bios + 0x5555) = 0xAA;
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*(volatile char *) (bios + 0x2AAA) = 0x55;
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*(volatile char *) (bios + 0x5555) = 0xF0;
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myusec_delay(10);
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printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
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if (id1 == flash->manufacture_id && id2 == flash->model_id)
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return 1;
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return 0;
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}
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int erase_49fl004 (struct flashchip * flash)
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{
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volatile unsigned char * bios = flash->virt_addr;
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volatile unsigned char *Temp;
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Temp = bios + 0x5555; /* set up address to be C000:5555h */
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*Temp = 0xAA; /* write data 0xAA to the address */
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myusec_delay(10);
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Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
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*Temp = 0x55; /* write data 0x55 to the address */
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myusec_delay(10);
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Temp = bios + 0x5555; /* set up address to be C000:5555h */
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*Temp = 0x80; /* write data 0x80 to the address */
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myusec_delay(10);
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Temp = bios + 0x5555; /* set up address to be C000:5555h */
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*Temp = 0xAA; /* write data 0xAA to the address */
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myusec_delay(10);
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|
||||||
Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
|
|
||||||
*Temp = 0x55; /* write data 0x55 to the address */
|
|
||||||
myusec_delay(10);
|
|
||||||
Temp = bios + 0x5555; /* set up address to be C000:5555h */
|
|
||||||
*Temp = 0x10; /* write data 0x10 to the address */
|
|
||||||
|
|
||||||
|
|
||||||
/* wait for Toggle bit ready */
|
|
||||||
toggle_ready_jedec(bios);
|
|
||||||
|
|
||||||
return(0);
|
|
||||||
}
|
|
||||||
|
|
||||||
int write_49fl004 (struct flashchip * flash, unsigned char * buf)
|
int write_49fl004 (struct flashchip * flash, unsigned char * buf)
|
||||||
{
|
{
|
||||||
int i;
|
int i;
|
||||||
|
|
|
||||||
|
|
@ -50,108 +50,13 @@ static __inline__ int erase_sector_39sf020 (volatile char * bios, unsigned long
|
||||||
return(0);
|
return(0);
|
||||||
}
|
}
|
||||||
|
|
||||||
static __inline__ int write_sector_39sf020(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 probe_39sf020 (struct flashchip * flash)
|
|
||||||
{
|
|
||||||
volatile char * bios = flash->virt_addr;
|
|
||||||
unsigned char id1, id2;
|
|
||||||
|
|
||||||
*(volatile char *) (bios + 0x5555) = 0xAA;
|
|
||||||
myusec_delay(10);
|
|
||||||
*(volatile char *) (bios + 0x2AAA) = 0x55;
|
|
||||||
myusec_delay(10);
|
|
||||||
*(volatile char *) (bios + 0x5555) = 0x90;
|
|
||||||
|
|
||||||
myusec_delay(10);
|
|
||||||
|
|
||||||
id1 = *(volatile unsigned char *) bios;
|
|
||||||
id2 = *(volatile unsigned char *) (bios + 0x01);
|
|
||||||
|
|
||||||
*(volatile char *) (bios + 0x5555) = 0xAA;
|
|
||||||
*(volatile char *) (bios + 0x2AAA) = 0x55;
|
|
||||||
*(volatile char *) (bios + 0x5555) = 0xF0;
|
|
||||||
|
|
||||||
myusec_delay(10);
|
|
||||||
|
|
||||||
printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
|
|
||||||
|
|
||||||
if (id1 == flash->manufacture_id && id2 == flash->model_id)
|
|
||||||
return 1;
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
int erase_39sf020 (struct flashchip * flash)
|
|
||||||
{
|
|
||||||
volatile unsigned char * bios = flash->virt_addr;
|
|
||||||
volatile unsigned char *Temp;
|
|
||||||
|
|
||||||
/* Issue the Sector Erase command to 39SF020 */
|
|
||||||
Temp = bios + 0x5555; /* set up address to be C000:5555h */
|
|
||||||
*Temp = 0xAA; /* write data 0xAA to the address */
|
|
||||||
myusec_delay(10);
|
|
||||||
Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
|
|
||||||
*Temp = 0x55; /* write data 0x55 to the address */
|
|
||||||
myusec_delay(10);
|
|
||||||
Temp = bios + 0x5555; /* set up address to be C000:5555h */
|
|
||||||
*Temp = 0x80; /* write data 0x80 to the address */
|
|
||||||
myusec_delay(10);
|
|
||||||
Temp = bios + 0x5555; /* set up address to be C000:5555h */
|
|
||||||
*Temp = 0xAA; /* write data 0xAA to the address */
|
|
||||||
myusec_delay(10);
|
|
||||||
Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
|
|
||||||
*Temp = 0x55; /* write data 0x55 to the address */
|
|
||||||
myusec_delay(10);
|
|
||||||
Temp = bios + 0x5555; /* set up address to be C000:5555h */
|
|
||||||
*Temp = 0x10; /* write data 0x55 to the address */
|
|
||||||
|
|
||||||
myusec_delay(50000);
|
|
||||||
|
|
||||||
return(0);
|
|
||||||
}
|
|
||||||
|
|
||||||
int write_39sf020 (struct flashchip * flash, unsigned char * buf)
|
int write_39sf020 (struct flashchip * flash, unsigned char * buf)
|
||||||
{
|
{
|
||||||
int i;
|
int i;
|
||||||
int total_size = flash->total_size * 1024, page_size = flash->page_size;
|
int total_size = flash->total_size * 1024, page_size = flash->page_size;
|
||||||
volatile char * bios = flash->virt_addr;
|
volatile char * bios = flash->virt_addr;
|
||||||
|
|
||||||
erase_39sf020(flash);
|
erase_jedec(flash);
|
||||||
|
|
||||||
printf ("Programming Page: ");
|
printf ("Programming Page: ");
|
||||||
for (i = 0; i < total_size/page_size; i++) {
|
for (i = 0; i < total_size/page_size; i++) {
|
||||||
|
|
@ -160,7 +65,7 @@ int write_39sf020 (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_sector_39sf020(bios, buf + i * page_size, bios + i * page_size,
|
write_sector_jedec(bios, buf + i * page_size, bios + i * page_size,
|
||||||
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");
|
||||||
fflush(stdout);
|
fflush(stdout);
|
||||||
|
|
|
||||||
|
|
@ -2,7 +2,6 @@
|
||||||
#define __SST39SF020_H__ 1
|
#define __SST39SF020_H__ 1
|
||||||
|
|
||||||
extern int probe_39sf020 (struct flashchip * flash);
|
extern int probe_39sf020 (struct flashchip * flash);
|
||||||
extern int erase_39sf020 (struct flashchip * flash);
|
|
||||||
extern int write_39sf020 (struct flashchip * flash, unsigned char * buf);
|
extern int write_39sf020 (struct flashchip * flash, unsigned char * buf);
|
||||||
|
|
||||||
#endif /* !__SST39SF020_H__ */
|
#endif /* !__SST39SF020_H__ */
|
||||||
|
|
|
||||||
|
|
@ -37,131 +37,6 @@
|
||||||
#define RESET 0xFF
|
#define RESET 0xFF
|
||||||
#define READ_ID 0x90
|
#define READ_ID 0x90
|
||||||
|
|
||||||
static int erase_sector_49lf040 (volatile char * bios, unsigned int page)
|
|
||||||
{
|
|
||||||
/* Chip erase function does not exist for LPC mode on 49lf040.
|
|
||||||
* Erase sector-by-sector instead. */
|
|
||||||
volatile unsigned char *Temp;
|
|
||||||
|
|
||||||
/* Issue the Sector Erase command to 40LF040 */
|
|
||||||
Temp = bios + 0x5555; /* set up address to be C000:5555h */
|
|
||||||
*Temp = 0xAA; /* write data 0xAA to the address */
|
|
||||||
myusec_delay(10);
|
|
||||||
Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
|
|
||||||
*Temp = 0x55; /* write data 0x55 to the address */
|
|
||||||
myusec_delay(10);
|
|
||||||
Temp = bios + 0x5555; /* set up address to be C000:5555h */
|
|
||||||
*Temp = 0x80; /* write data 0x80 to the address */
|
|
||||||
myusec_delay(10);
|
|
||||||
Temp = bios + 0x5555; /* set up address to be C000:5555h */
|
|
||||||
*Temp = 0xAA; /* write data 0xAA to the address */
|
|
||||||
myusec_delay(10);
|
|
||||||
Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
|
|
||||||
*Temp = 0x55; /* write data 0x55 to the address */
|
|
||||||
myusec_delay(10);
|
|
||||||
Temp = bios + page; /* set up address to be the current sector */
|
|
||||||
*Temp = 0x30; /* write data 0x30 to the address */
|
|
||||||
|
|
||||||
/* wait for Toggle bit ready */
|
|
||||||
toggle_ready_jedec(bios);
|
|
||||||
|
|
||||||
return(0);
|
|
||||||
}
|
|
||||||
|
|
||||||
static __inline__ int write_sector_49lf040(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 probe_49lf040 (struct flashchip * flash)
|
|
||||||
{
|
|
||||||
volatile char * bios = flash->virt_addr;
|
|
||||||
unsigned char id1, id2;
|
|
||||||
|
|
||||||
*(volatile char *) (bios + 0x5555) = 0xAA;
|
|
||||||
myusec_delay(10);
|
|
||||||
*(volatile char *) (bios + 0x2AAA) = 0x55;
|
|
||||||
myusec_delay(10);
|
|
||||||
*(volatile char *) (bios + 0x5555) = 0x90;
|
|
||||||
myusec_delay(10);
|
|
||||||
|
|
||||||
id1 = *(volatile unsigned char *) bios;
|
|
||||||
id2 = *(volatile unsigned char *) (bios + 0x01);
|
|
||||||
|
|
||||||
*(volatile char *) (bios + 0x5555) = 0xAA;
|
|
||||||
*(volatile char *) (bios + 0x2AAA) = 0x55;
|
|
||||||
*(volatile char *) (bios + 0x5555) = 0xF0;
|
|
||||||
|
|
||||||
myusec_delay(10);
|
|
||||||
|
|
||||||
printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
|
|
||||||
|
|
||||||
if (id1 == flash->manufacture_id && id2 == flash->model_id)
|
|
||||||
return 1;
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Chip erase only works in parallel programming mode for the 49lf040.
|
|
||||||
* Use sector-erase instead */
|
|
||||||
int erase_49lf040 (struct flashchip * flash)
|
|
||||||
{
|
|
||||||
volatile unsigned char * bios = flash->virt_addr;
|
|
||||||
volatile unsigned char *Temp;
|
|
||||||
|
|
||||||
/* Issue the Sector Erase command to 40LF040 */
|
|
||||||
Temp = bios + 0x5555; /* set up address to be C000:5555h */
|
|
||||||
*Temp = 0xAA; /* write data 0xAA to the address */
|
|
||||||
myusec_delay(10);
|
|
||||||
Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
|
|
||||||
*Temp = 0x55; /* write data 0x55 to the address */
|
|
||||||
myusec_delay(10);
|
|
||||||
Temp = bios + 0x5555; /* set up address to be C000:5555h */
|
|
||||||
*Temp = 0x80; /* write data 0x80 to the address */
|
|
||||||
myusec_delay(10);
|
|
||||||
Temp = bios + 0x5555; /* set up address to be C000:5555h */
|
|
||||||
*Temp = 0xAA; /* write data 0xAA to the address */
|
|
||||||
myusec_delay(10);
|
|
||||||
Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
|
|
||||||
*Temp = 0x55; /* write data 0x55 to the address */
|
|
||||||
myusec_delay(10);
|
|
||||||
Temp = bios + 0x5555; /* set up address to be C000:5555h */
|
|
||||||
*Temp = 0x10; /* write data 0x55 to the address */
|
|
||||||
myusec_delay(50000);
|
|
||||||
|
|
||||||
return(0);
|
|
||||||
}
|
|
||||||
|
|
||||||
int write_49lf040 (struct flashchip * flash, unsigned char * buf)
|
int write_49lf040 (struct flashchip * flash, unsigned char * buf)
|
||||||
{
|
{
|
||||||
|
|
@ -171,13 +46,15 @@ int write_49lf040 (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++) {
|
||||||
/* erase the page before programming */
|
/* erase the page before programming
|
||||||
erase_sector_49lf040(bios, i * page_size);
|
* Chip erase only works in parallel programming mode for the 49lf040.
|
||||||
|
* Use sector-erase instead */
|
||||||
|
erase_sector_jedec(bios, i * page_size);
|
||||||
|
|
||||||
/* 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_sector_49lf040(bios, buf + i * page_size, bios + i * page_size,
|
write_sector_jedec(bios, buf + i * page_size, bios + i * page_size,
|
||||||
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\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\b");
|
||||||
fflush(stdout);
|
fflush(stdout);
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -32,49 +32,6 @@
|
||||||
#include "jedec.h"
|
#include "jedec.h"
|
||||||
#include "w49f002u.h"
|
#include "w49f002u.h"
|
||||||
|
|
||||||
int probe_49f002 (struct flashchip * flash)
|
|
||||||
{
|
|
||||||
volatile char * bios = flash->virt_addr;
|
|
||||||
unsigned char id1, id2;
|
|
||||||
|
|
||||||
*(volatile char *) (bios + 0x5555) = 0xAA;
|
|
||||||
*(volatile char *) (bios + 0x2AAA) = 0x55;
|
|
||||||
*(volatile char *) (bios + 0x5555) = 0x90;
|
|
||||||
|
|
||||||
id1 = *(volatile unsigned char *) bios;
|
|
||||||
id2 = *(volatile unsigned char *) (bios + 0x01);
|
|
||||||
|
|
||||||
*(volatile char *) (bios + 0x5555) = 0xAA;
|
|
||||||
*(volatile char *) (bios + 0x2AAA) = 0x55;
|
|
||||||
*(volatile char *) (bios + 0x5555) = 0xF0;
|
|
||||||
|
|
||||||
myusec_delay(10);
|
|
||||||
|
|
||||||
printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
|
|
||||||
|
|
||||||
if (id1 == flash->manufacture_id && id2 == flash->model_id)
|
|
||||||
return 1;
|
|
||||||
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
int erase_49f002 (struct flashchip * flash)
|
|
||||||
{
|
|
||||||
volatile char * bios = flash->virt_addr;
|
|
||||||
|
|
||||||
*(bios + 0x5555) = 0xAA;
|
|
||||||
*(bios + 0x2AAA) = 0x55;
|
|
||||||
*(bios + 0x5555) = 0x80;
|
|
||||||
*(bios + 0x5555) = 0xAA;
|
|
||||||
*(bios + 0x2AAA) = 0x55;
|
|
||||||
*(bios + 0x5555) = 0x10;
|
|
||||||
|
|
||||||
myusec_delay(100);
|
|
||||||
toggle_ready_jedec(bios);
|
|
||||||
|
|
||||||
return(0);
|
|
||||||
}
|
|
||||||
|
|
||||||
int write_49f002 (struct flashchip * flash, unsigned char * buf)
|
int write_49f002 (struct flashchip * flash, unsigned char * buf)
|
||||||
{
|
{
|
||||||
int i;
|
int i;
|
||||||
|
|
@ -82,7 +39,7 @@ int write_49f002 (struct flashchip * flash, unsigned char * buf)
|
||||||
volatile char * bios = flash->virt_addr;
|
volatile char * bios = flash->virt_addr;
|
||||||
volatile char * dst = bios;
|
volatile char * dst = bios;
|
||||||
|
|
||||||
erase_49f002(flash);
|
erase_jedec(flash);
|
||||||
|
|
||||||
printf ("Programming Page: ");
|
printf ("Programming Page: ");
|
||||||
for (i = 0; i < total_size; i++) {
|
for (i = 0; i < total_size; i++) {
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue