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imx: kontron-sl-mx8mm: Add redundant environment and SPI NOR partitions

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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 <frieder.schrempf@kontron.de>
Reviewed-by: Fabio Estevam <festevam@denx.de>
This commit is contained in:
Frieder Schrempf 2022-08-24 15:59:07 +02:00 committed by Stefano Babic
parent 0761beef98
commit 2a6f023061
2 changed files with 24 additions and 1 deletions
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21
arch/arm/dts/imx8mm-kontron-n801x-som.dtsi
View file

@ -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>;
};
};
};
};

4
configs/kontron-sl-mx8mm_defconfig
View file

@ -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