[PATCH] imx8m[m,n,p]_evk: Add redundant environment support

[Fabio Estevam]

For reliable Over The Air update, it is recommended that redundant
environment is used.

Add redundand environmen support for the i.MX8M EVK boards.

While at it, increase the environment size and adjust the offset.

Signed-off-by: Fabio Estevam <festevam at gmail.com>
---
 configs/imx8mn_ddr4_evk_defconfig | 6 ++++--
 configs/imx8mn_evk_defconfig      | 6 ++++--
 configs/imx8mp_evk_defconfig      | 6 ++++--
 configs/imx8mq_evk_defconfig      | 6 ++++--
 4 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/configs/imx8mn_ddr4_evk_defconfig b/configs/imx8mn_ddr4_evk_defconfig
index a80ceab56f5d..c0c22f99078b 100644
--- a/configs/imx8mn_ddr4_evk_defconfig
+++ b/configs/imx8mn_ddr4_evk_defconfig
@@ -5,8 +5,8 @@ CONFIG_SYS_MALLOC_LEN=0x2000000
 CONFIG_SPL_GPIO=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
-CONFIG_ENV_SIZE=0x1000
-CONFIG_ENV_OFFSET=0x400000
+CONFIG_ENV_SIZE=0x4000
+CONFIG_ENV_OFFSET=0x200000
 CONFIG_DM_GPIO=y
 CONFIG_DEFAULT_DEVICE_TREE="freescale/imx8mn-ddr4-evk"
 CONFIG_TARGET_IMX8MN_DDR4_EVK=y
@@ -22,6 +22,7 @@ CONFIG_SPL_BSS_MAX_SIZE=0x2000
 CONFIG_SYS_BOOTM_LEN=0x2000000
 CONFIG_SYS_LOAD_ADDR=0x42000000
 CONFIG_SPL=y
+CONFIG_ENV_OFFSET_REDUND=0x204000
 CONFIG_SPL_IMX_ROMAPI_LOADADDR=0x48000000
 CONFIG_FIT=y
 CONFIG_FIT_EXTERNAL_OFFSET=0x3000
@@ -64,6 +65,7 @@ CONFIG_OF_CONTROL=y
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_REDUNDANT=y
 CONFIG_ENV_RELOC_GD_ENV_ADDR=y
 CONFIG_ENV_MMC_DEVICE_INDEX=1
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
diff --git a/configs/imx8mn_evk_defconfig b/configs/imx8mn_evk_defconfig
index 47a309468181..0d6d31abba3f 100644
--- a/configs/imx8mn_evk_defconfig
+++ b/configs/imx8mn_evk_defconfig
@@ -5,8 +5,8 @@ CONFIG_SYS_MALLOC_LEN=0x2000000
 CONFIG_SPL_GPIO=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
-CONFIG_ENV_SIZE=0x1000
-CONFIG_ENV_OFFSET=0x400000
+CONFIG_ENV_SIZE=0x4000
+CONFIG_ENV_OFFSET=0x200000
 CONFIG_DM_GPIO=y
 CONFIG_DEFAULT_DEVICE_TREE="freescale/imx8mn-evk"
 CONFIG_TARGET_IMX8MN_EVK=y
@@ -22,6 +22,7 @@ CONFIG_SPL_BSS_MAX_SIZE=0x2000
 CONFIG_SYS_BOOTM_LEN=0x2000000
 CONFIG_SYS_LOAD_ADDR=0x42000000
 CONFIG_SPL=y
+CONFIG_ENV_OFFSET_REDUND=0x204000
 CONFIG_SPL_IMX_ROMAPI_LOADADDR=0x48000000
 CONFIG_EFI_SET_TIME=y
 CONFIG_EFI_MM_COMM_TEE=y
@@ -82,6 +83,7 @@ CONFIG_OF_CONTROL=y
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_REDUNDANT=y
 CONFIG_ENV_RELOC_GD_ENV_ADDR=y
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_SPL_DM=y
diff --git a/configs/imx8mp_evk_defconfig b/configs/imx8mp_evk_defconfig
index 0ad1acb94b6d..5c3c8a2ca57b 100644
--- a/configs/imx8mp_evk_defconfig
+++ b/configs/imx8mp_evk_defconfig
@@ -5,8 +5,8 @@ CONFIG_SYS_MALLOC_LEN=0x2000000
 CONFIG_SPL_GPIO=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
-CONFIG_ENV_SIZE=0x1000
-CONFIG_ENV_OFFSET=0x400000
+CONFIG_ENV_SIZE=0x4000
+CONFIG_ENV_OFFSET=0x200000
 CONFIG_DM_GPIO=y
 CONFIG_DEFAULT_DEVICE_TREE="freescale/imx8mp-evk"
 CONFIG_TARGET_IMX8MP_EVK=y
@@ -22,6 +22,7 @@ CONFIG_SPL_BSS_MAX_SIZE=0x400
 CONFIG_SYS_BOOTM_LEN=0x2000000
 CONFIG_SYS_LOAD_ADDR=0x40480000
 CONFIG_SPL=y
+CONFIG_ENV_OFFSET_REDUND=0x20400
 CONFIG_SPL_IMX_ROMAPI_LOADADDR=0x48000000
 CONFIG_EFI_MM_COMM_TEE=y
 CONFIG_EFI_VAR_BUF_SIZE=139264
@@ -77,6 +78,7 @@ CONFIG_OF_CONTROL=y
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_REDUNDANT=y
 CONFIG_ENV_RELOC_GD_ENV_ADDR=y
 CONFIG_ENV_MMC_DEVICE_INDEX=1
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
diff --git a/configs/imx8mq_evk_defconfig b/configs/imx8mq_evk_defconfig
index 21bb04d18a81..10de69689e9f 100644
--- a/configs/imx8mq_evk_defconfig
+++ b/configs/imx8mq_evk_defconfig
@@ -5,8 +5,8 @@ CONFIG_SYS_MALLOC_LEN=0x600000
 CONFIG_SPL_GPIO=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
-CONFIG_ENV_SIZE=0x1000
-CONFIG_ENV_OFFSET=0x400000
+CONFIG_ENV_SIZE=0x4000
+CONFIG_ENV_OFFSET=0x200000
 CONFIG_SYS_I2C_MXC_I2C1=y
 CONFIG_SYS_I2C_MXC_I2C2=y
 CONFIG_SYS_I2C_MXC_I2C3=y
@@ -25,6 +25,7 @@ CONFIG_SPL_BSS_START_ADDR=0x180000
 CONFIG_SPL_BSS_MAX_SIZE=0x2000
 CONFIG_SYS_LOAD_ADDR=0x40480000
 CONFIG_SPL=y
+CONFIG_ENV_OFFSET_REDUND=0x204000
 CONFIG_IMX_BOOTAUX=y
 CONFIG_REMAKE_ELF=y
 CONFIG_EFI_MM_COMM_TEE=y
@@ -75,6 +76,7 @@ CONFIG_CMD_EXT4_WRITE=y
 CONFIG_OF_CONTROL=y
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_REDUNDANT=y
 CONFIG_ENV_RELOC_GD_ENV_ADDR=y
 CONFIG_ENV_MMC_DEVICE_INDEX=1
 CONFIG_USE_ETHPRIME=y
-- 
2.34.1