/* probe_jedec works fine for probing */
int probe_sst_fwhub(struct flashchip *flash)
{
if (probe_jedec(flash) == 0)
return 0;
map_flash_registers(flash);
return 1;
}
int probe_82802ab(struct flashctx *flash)
{
chipaddr bios = flash->virtual_memory;
uint8_t id1, id2, flashcontent1, flashcontent2;
int shifted = (flash->chip->feature_bits & FEATURE_ADDR_SHIFTED) ? 1 : 0;
/* Reset to get a clean state */
chip_writeb(flash, 0xFF, bios);
programmer_delay(10);
/* Enter ID mode */
chip_writeb(flash, 0x90, bios);
programmer_delay(10);
id1 = chip_readb(flash, bios + (0x00 << shifted));
id2 = chip_readb(flash, bios + (0x01 << shifted));
/* Leave ID mode */
chip_writeb(flash, 0xFF, bios);
programmer_delay(10);
msg_cdbg("%s: id1 0x%02x, id2 0x%02x", __func__, id1, id2);
if (!oddparity(id1))
msg_cdbg(", id1 parity violation");
/*
* Read the product ID location again. We should now see normal
* flash contents.
*/
flashcontent1 = chip_readb(flash, bios + (0x00 << shifted));
flashcontent2 = chip_readb(flash, bios + (0x01 << shifted));
if (id1 == flashcontent1)
msg_cdbg(", id1 is normal flash content");
if (id2 == flashcontent2)
msg_cdbg(", id2 is normal flash content");
msg_cdbg("\n");
if (id1 != flash->chip->manufacture_id || id2 != flash->chip->model_id)
return 0;
if (flash->chip->feature_bits & FEATURE_REGISTERMAP)
map_flash_registers(flash);
return 1;
}
int probe_lhf00l04(struct flashchip *flash)
{
volatile uint8_t *bios = flash->virtual_memory;
uint8_t id1, id2;
#if 0
/* Enter ID mode */
*(volatile uint8_t *)(bios + 0x5555) = 0xAA;
*(volatile uint8_t *)(bios + 0x2AAA) = 0x55;
*(volatile uint8_t *)(bios + 0x5555) = 0x90;
#endif
*bios = 0xff;
myusec_delay(10);
*bios = 0x90;
myusec_delay(10);
id1 = *(volatile uint8_t *)bios;
id2 = *(volatile uint8_t *)(bios + 0x01);
/* Leave ID mode */
*(volatile uint8_t *)(bios + 0x5555) = 0xAA;
*(volatile uint8_t *)(bios + 0x2AAA) = 0x55;
*(volatile uint8_t *)(bios + 0x5555) = 0xF0;
myusec_delay(10);
printf_debug("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
if (id1 != flash->manufacture_id || id2 != flash->model_id)
return 0;
map_flash_registers(flash);
return 1;
}
