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Diffstat (limited to 'src/drivers/spi/spi_flash.c')
-rw-r--r--src/drivers/spi/spi_flash.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/src/drivers/spi/spi_flash.c b/src/drivers/spi/spi_flash.c
index ff69a9a1c1..4a86146503 100644
--- a/src/drivers/spi/spi_flash.c
+++ b/src/drivers/spi/spi_flash.c
@@ -368,9 +368,6 @@ static struct {
{ 0, VENDOR_ID_WINBOND, spi_flash_probe_winbond, },
#endif
/* Keep it sorted by best detection */
-#if CONFIG(SPI_FLASH_STMICRO)
- { 0, VENDOR_ID_STMICRO_FF, spi_flash_probe_stmicro, },
-#endif
#if CONFIG(SPI_FLASH_ADESTO)
{ 0, VENDOR_ID_ADESTO, spi_flash_probe_adesto, },
#endif
@@ -402,6 +399,15 @@ int spi_flash_generic_probe(const struct spi_slave *spi,
printk(BIOS_INFO, "Manufacturer: %02x\n", *idp);
+ /* If no result from RDID command and STMicro parts are enabled attempt
+ to wake the part from deep sleep and obtain alternative id info. */
+ if (CONFIG(SPI_FLASH_STMICRO) && *idp == 0xff) {
+ if (stmicro_release_deep_sleep_identify(spi, idcode))
+ return -1;
+ idp = idcode;
+ shift = 0;
+ }
+
/* search the table for matches in shift and id */
for (i = 0; i < (int)ARRAY_SIZE(flashes); ++i)
if (flashes[i].shift == shift && flashes[i].idcode == *idp) {