mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-30 10:39:04 +00:00
f0f35fdac1
This reverts commit d7f21940bc.
Winbond W25Q256FV and W25Q256JV both uses 0xef4019 as JEDEC ID,
but only the latter has proper 4B_OPCODES support.
W25Q256FV has all 4B read instructions but it lacks a 4B page program
instruction, causing the entire flash to be read-only.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
19 lines
638 B
Diff
19 lines
638 B
Diff
From: Felix Fietkau <nbd@nbd.name>
|
|
Subject: Disable software protection bits for Macronix flashes.
|
|
|
|
Signed-off-by: Felix Fietkau <nbd@nbd.name>
|
|
---
|
|
drivers/mtd/spi-nor/spi-nor.c | 1 +
|
|
1 file changed, 1 insertion(+)
|
|
|
|
--- a/drivers/mtd/spi-nor/spi-nor.c
|
|
+++ b/drivers/mtd/spi-nor/spi-nor.c
|
|
@@ -4884,6 +4884,7 @@ int spi_nor_scan(struct spi_nor *nor, co
|
|
*/
|
|
if (JEDEC_MFR(nor->info) == SNOR_MFR_ATMEL ||
|
|
JEDEC_MFR(nor->info) == SNOR_MFR_INTEL ||
|
|
+ JEDEC_MFR(nor->info) == SNOR_MFR_MACRONIX ||
|
|
JEDEC_MFR(nor->info) == SNOR_MFR_SST ||
|
|
nor->info->flags & SPI_NOR_HAS_LOCK)
|
|
nor->clear_sr_bp = spi_nor_clear_sr_bp;
|