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author | Simon Dawson <spdawson@gmail.com> | 2013-12-09 17:51:13 +0000 |
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committer | Peter Korsgaard <peter@korsgaard.com> | 2013-12-12 23:20:35 +0100 |
commit | f3fbfc52ebeaa4011388ccfbcdea42fc5ec01b53 (patch) | |
tree | f24c400591c77bdea27d9475b8488b730d703ebb | |
parent | 08db3236c4508b2329d3b0ed61d3db54f59fd49c (diff) | |
download | buildroot-f3fbfc52ebeaa4011388ccfbcdea42fc5ec01b53.tar.gz buildroot-f3fbfc52ebeaa4011388ccfbcdea42fc5ec01b53.zip |
uboot: support -r option for mkenvimage
Some boards are configured in u-boot to store multiple redundant copies of
the environment image in flash. For these boards, it is required to pass
the -r flag, when generating a boot environment image using mkenvimage.
Signed-off-by: Simon Dawson <spdawson@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
-rw-r--r-- | boot/uboot/Config.in | 14 | ||||
-rw-r--r-- | boot/uboot/uboot.mk | 1 |
2 files changed, 15 insertions, 0 deletions
diff --git a/boot/uboot/Config.in b/boot/uboot/Config.in index 77553c13bd..d693bcfcdd 100644 --- a/boot/uboot/Config.in +++ b/boot/uboot/Config.in @@ -251,6 +251,20 @@ config BR2_TARGET_UBOOT_ENVIMAGE_SIZE Size of envronment, can be prefixed with 0x for hexadecimal values. +config BR2_TARGET_UBOOT_ENVIMAGE_REDUNDANT + bool "Environment has two copies" + help + Some platforms define in their U-Boot configuration that the + U-Boot environment should be duplicated in two locations (for + extra safety). Check your U-Boot configuration for the + CONFIG_ENV_ADDR_REDUND and CONFIG_ENV_SIZE_REDUND settings to + see if this is the case for your platform. + + If it is the case, then you should enable this option to + ensure that the U-Boot environment image generated by + Buildroot is compatible with the "redundant environment" + mechanism of U-Boot. + endif # BR2_TARGET_UBOOT_ENVIMAGE endif # BR2_TARGET_UBOOT diff --git a/boot/uboot/uboot.mk b/boot/uboot/uboot.mk index 06b75eddeb..ba7087e26f 100644 --- a/boot/uboot/uboot.mk +++ b/boot/uboot/uboot.mk @@ -120,6 +120,7 @@ define UBOOT_INSTALL_IMAGES_CMDS cp -dpf $(@D)/$(BR2_TARGET_UBOOT_SPL_NAME) $(BINARIES_DIR)/) $(if $(BR2_TARGET_UBOOT_ENVIMAGE), $(HOST_DIR)/usr/bin/mkenvimage -s $(BR2_TARGET_UBOOT_ENVIMAGE_SIZE) \ + $(if $(BR2_TARGET_UBOOT_ENVIMAGE_REDUNDANT),-r) \ -o $(BINARIES_DIR)/uboot-env.bin $(BR2_TARGET_UBOOT_ENVIMAGE_SOURCE)) endef |