openwrtv4/target/linux/generic/patches-4.4/465-m25p80-mx-disable-software-protection.patch
Felix Fietkau 8b9707379f kernel: spi-nor: add support for ESMT_f25l32qa and ESMT_f25l64qa
Add Support for the ESMT_F25L32QA and ESMT_F25L64QA.
These are 4MB and 8MB SPI NOR Chips from Elite Semiconductor Memory Technology

Signed-off-by: L. D. Pinney <ldpinney@gmail.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2016-08-30 10:51:20 +02:00

14 lines
454 B
Diff

Disable software protection bits for Macronix flashes.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1158,6 +1158,7 @@ int spi_nor_scan(struct spi_nor *nor, co
if (JEDEC_MFR(info) == SNOR_MFR_ATMEL ||
JEDEC_MFR(info) == SNOR_MFR_INTEL ||
+ JEDEC_MFR(info) == SNOR_MFR_MACRONIX ||
JEDEC_MFR(info) == SNOR_MFR_SST) {
write_enable(nor);
write_sr(nor, 0);