From c3fc2a7a35c9270028839532a4d0b4f4dcd57e12 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 24 Nov 2015 19:09:56 +0000 Subject: [PATCH] kernel: disable software protection bits for macronix flash chips at init Signed-off-by: Felix Fietkau SVN-Revision: 47626 --- ...465-m25p80-mx-disable-software-protection.patch | 14 ++++++++++++++ ...465-m25p80-mx-disable-software-protection.patch | 14 ++++++++++++++ 2 files changed, 28 insertions(+) create mode 100644 target/linux/generic/patches-4.1/465-m25p80-mx-disable-software-protection.patch create mode 100644 target/linux/generic/patches-4.3/465-m25p80-mx-disable-software-protection.patch diff --git a/target/linux/generic/patches-4.1/465-m25p80-mx-disable-software-protection.patch b/target/linux/generic/patches-4.1/465-m25p80-mx-disable-software-protection.patch new file mode 100644 index 0000000000..dcf594bad1 --- /dev/null +++ b/target/linux/generic/patches-4.1/465-m25p80-mx-disable-software-protection.patch @@ -0,0 +1,14 @@ +Disable software protection bits for Macronix flashes. + +Signed-off-by: Felix Fietkau + +--- a/drivers/mtd/spi-nor/spi-nor.c ++++ b/drivers/mtd/spi-nor/spi-nor.c +@@ -1200,6 +1200,7 @@ 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 || + JEDEC_MFR(info) == SNOR_MFR_WINBOND) { + write_enable(nor); diff --git a/target/linux/generic/patches-4.3/465-m25p80-mx-disable-software-protection.patch b/target/linux/generic/patches-4.3/465-m25p80-mx-disable-software-protection.patch new file mode 100644 index 0000000000..dcf594bad1 --- /dev/null +++ b/target/linux/generic/patches-4.3/465-m25p80-mx-disable-software-protection.patch @@ -0,0 +1,14 @@ +Disable software protection bits for Macronix flashes. + +Signed-off-by: Felix Fietkau + +--- a/drivers/mtd/spi-nor/spi-nor.c ++++ b/drivers/mtd/spi-nor/spi-nor.c +@@ -1200,6 +1200,7 @@ 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 || + JEDEC_MFR(info) == SNOR_MFR_WINBOND) { + write_enable(nor); -- 2.25.1