Convert CONFIG_ENV_IS_IN_NVRAM to Kconfig

[people/ms/u-boot.git] / common / Kconfig

diff --git a/common/Kconfig b/common/Kconfig
index 29e25fef2f5ba392728dcbca1080f2538ea0d1b2..2f86e7ca90929f19e81554d77483bb8ce61adab4 100644 (file)
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -340,6 +340,22 @@ config ENV_IS_IN_NAND
          Currently, CONFIG_ENV_OFFSET_REDUND is not supported when
          using CONFIG_ENV_OFFSET_OOB.
 
+config ENV_IS_IN_NVRAM
+       bool "Environment in a non-volatile RAM"
+       depends on !CHAIN_OF_TRUST
+       help
+         Define this if you have some non-volatile memory device
+         (NVRAM, battery buffered SRAM) which you want to use for the
+         environment.
+
+         - CONFIG_ENV_ADDR:
+         - CONFIG_ENV_SIZE:
+
+         These two #defines are used to determine the memory area you
+         want to use for environment. It is assumed that this memory
+         can just be read and written to, without any special
+         provision.
+
 config ENV_IS_IN_UBI
        bool "Environment in a UBI volume"
        depends on !CHAIN_OF_TRUST