[Buildroot] [PATCH v2] uboot: support -r option for mkenvimage
spdawson at gmail.com
spdawson at gmail.com
Sat Oct 12 10:05:39 UTC 2013
From: Simon Dawson <spdawson at gmail.com>
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 at gmail.com>
---
v2: Change configuration menu text and help text, in response to feedback
from Arnout Vandecappelle and Thomas Petazzoni
boot/uboot/Config.in | 8 ++++++++
boot/uboot/uboot.mk | 1 +
2 files changed, 9 insertions(+)
diff --git a/boot/uboot/Config.in b/boot/uboot/Config.in
index 998cda2..b750c77 100644
--- a/boot/uboot/Config.in
+++ b/boot/uboot/Config.in
@@ -242,6 +242,14 @@ 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
+ There are two copies of the environment in flash.
+
+ Check your u-boot configuration for the CONFIG_ENV_ADDR_REDUND and
+ CONFIG_ENV_SIZE_REDUND settings.
+
endif # BR2_TARGET_UBOOT_ENVIMAGE
endif # BR2_TARGET_UBOOT
diff --git a/boot/uboot/uboot.mk b/boot/uboot/uboot.mk
index dc8e26f..e21ee81 100644
--- a/boot/uboot/uboot.mk
+++ b/boot/uboot/uboot.mk
@@ -117,6 +117,7 @@ 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
--
1.8.1.2
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