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-rw-r--r--doc/device-tree-bindings/config.txt2
-rw-r--r--env/Kconfig12
-rw-r--r--env/mmc.c5
3 files changed, 19 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/config.txt b/doc/device-tree-bindings/config.txt
index 3151778..f50c68b 100644
--- a/doc/device-tree-bindings/config.txt
+++ b/doc/device-tree-bindings/config.txt
@@ -76,6 +76,8 @@ u-boot,mmc-env-partition (int)
precedence. In that case, only if the partition is not found,
mmc-env-offset* will be tried.
+ Note that CONFIG_ENV_MMC_PARTITION overrides this device-tree setting.
+
u-boot,no-apm-finalize (bool)
For x86 devices running on coreboot, this tells U-Boot not to lock
down the Intel Management Engine (ME) registers. This allows U-Boot to
diff --git a/env/Kconfig b/env/Kconfig
index 7342397..13e3210 100644
--- a/env/Kconfig
+++ b/env/Kconfig
@@ -662,6 +662,18 @@ config SYS_MMC_ENV_PART
partition 0 or the first boot partition, which is 1 or some other defined
partition.
+config USE_ENV_MMC_PARTITION
+ bool "use the mmc environment partition name"
+ depends on ENV_IS_IN_MMC
+
+config ENV_MMC_PARTITION
+ string "mmc environment partition name"
+ depends on USE_ENV_MMC_PARTITION
+ help
+ MMC partition name used to save environment variables.
+ If this variable is unset, u-boot will try to get the env partition name
+ from the device-tree's /config node.
+
config ENV_MMC_USE_DT
bool "Read partition name and offset in DT"
depends on ENV_IS_IN_MMC && OF_CONTROL
diff --git a/env/mmc.c b/env/mmc.c
index 7a5836a..cb14bbb 100644
--- a/env/mmc.c
+++ b/env/mmc.c
@@ -114,8 +114,13 @@ static inline s64 mmc_offset(struct mmc *mmc, int copy)
if (IS_ENABLED(CONFIG_SYS_MMC_ENV_PART))
hwpart = mmc_get_env_part(mmc);
+#if defined(CONFIG_ENV_MMC_PARTITION)
+ str = CONFIG_ENV_MMC_PARTITION;
+#else
/* look for the partition in mmc CONFIG_SYS_MMC_ENV_DEV */
str = ofnode_conf_read_str(dt_prop.partition);
+#endif
+
if (str) {
/* try to place the environment at end of the partition */
err = mmc_offset_try_partition(str, copy, &val);