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authorFrieder Schrempf <[email protected]>2022-08-24 15:59:07 +0200
committerStefano Babic <[email protected]>2022-10-20 17:35:51 +0200
commit2a6f0230619a821eae034c741fc20d586776b9ad (patch)
treef4daa883b938f09c0af9039ea3b99f54e72ba0d3
parent0761beef9826085fb604502eb76e95b829b9e183 (diff)
imx: kontron-sl-mx8mm: Add redundant environment and SPI NOR partitions
Enable the redundant environment feature to allow falling back in case of storage corruption. The partition layout for the SPI NOR device is added to the devicetree. Signed-off-by: Frieder Schrempf <[email protected]> Reviewed-by: Fabio Estevam <[email protected]>
-rw-r--r--arch/arm/dts/imx8mm-kontron-n801x-som.dtsi21
-rw-r--r--configs/kontron-sl-mx8mm_defconfig4
2 files changed, 24 insertions, 1 deletions
diff --git a/arch/arm/dts/imx8mm-kontron-n801x-som.dtsi b/arch/arm/dts/imx8mm-kontron-n801x-som.dtsi
index 8f90eb02550..3b66e560927 100644
--- a/arch/arm/dts/imx8mm-kontron-n801x-som.dtsi
+++ b/arch/arm/dts/imx8mm-kontron-n801x-som.dtsi
@@ -70,6 +70,27 @@
compatible = "mxicy,mx25r1635f", "jedec,spi-nor";
spi-max-frequency = <80000000>;
reg = <0>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "u-boot";
+ reg = <0x0 0x1e0000>;
+ };
+
+ partition@1e0000 {
+ label = "env";
+ reg = <0x1e0000 0x10000>;
+ };
+
+ partition@1f0000 {
+ label = "env_redundant";
+ reg = <0x1f0000 0x10000>;
+ };
+ };
};
};
diff --git a/configs/kontron-sl-mx8mm_defconfig b/configs/kontron-sl-mx8mm_defconfig
index c4b53f2d466..e796189f572 100644
--- a/configs/kontron-sl-mx8mm_defconfig
+++ b/configs/kontron-sl-mx8mm_defconfig
@@ -6,7 +6,7 @@ CONFIG_SPL_GPIO=y
CONFIG_SPL_LIBCOMMON_SUPPORT=y
CONFIG_SPL_LIBGENERIC_SUPPORT=y
CONFIG_ENV_SIZE=0x10000
-CONFIG_ENV_OFFSET=0x1f0000
+CONFIG_ENV_OFFSET=0x1E0000
CONFIG_ENV_SECT_SIZE=0x10000
CONFIG_IMX_CONFIG="board/kontron/sl-mx8mm/imximage.cfg"
CONFIG_DM_GPIO=y
@@ -19,6 +19,7 @@ CONFIG_SPL_SERIAL=y
CONFIG_SPL_DRIVERS_MISC=y
CONFIG_BOOTCOUNT_BOOTLIMIT=3
CONFIG_SPL=y
+CONFIG_ENV_OFFSET_REDUND=0x1F0000
CONFIG_SPL_SPI_FLASH_SUPPORT=y
CONFIG_SPL_SPI=y
CONFIG_SYS_LOAD_ADDR=0x42000000
@@ -71,6 +72,7 @@ CONFIG_CMD_EXT4_WRITE=y
CONFIG_OF_CONTROL=y
CONFIG_SPL_OF_CONTROL=y
CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
CONFIG_NET_RANDOM_ETHADDR=y
CONFIG_SPL_DM=y