Add u-boot redundant environments
Update fw_env config with two sections.
Update init script to handle redundant envs.
Patch u-boot. Can be removed when openbmc/u-boot is updated and recipe
bumped.
Resolves openbmc/openbmc#1937
Change-Id: I15137f55d960381a0b3fbb58c53090bbd5b86482
Signed-off-by: Edward A. James <eajames@us.ibm.com>
diff --git a/common/recipes-bsp/u-boot/files/0001-configs-ast-Add-redundnant-env.patch b/common/recipes-bsp/u-boot/files/0001-configs-ast-Add-redundnant-env.patch
new file mode 100644
index 0000000..35337a3
--- /dev/null
+++ b/common/recipes-bsp/u-boot/files/0001-configs-ast-Add-redundnant-env.patch
@@ -0,0 +1,33 @@
+From ba7cf47befb92e2565bf6169ccc5b766647de222 Mon Sep 17 00:00:00 2001
+From: "Edward A. James" <eajames@us.ibm.com>
+Date: Thu, 13 Jul 2017 13:42:18 -0500
+Subject: [PATCH u-boot] configs/ast: Add redundnant env
+
+Configure ast chips to run redundant u-boot environments.
+
+Signed-off-by: Edward A. James <eajames@us.ibm.com>
+---
+ include/configs/ast-common.h | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/include/configs/ast-common.h b/include/configs/ast-common.h
+index 110c780..15e1db4 100644
+--- a/include/configs/ast-common.h
++++ b/include/configs/ast-common.h
+@@ -92,9 +92,12 @@
+ #define CONFIG_SYS_MAX_FLASH_SECT (8192) /* max number of sectors on one chip */
+ #define CONFIG_ENV_IS_IN_FLASH 1
+ #define CONFIG_ENV_ADDR (AST_FMC_CS0_BASE + 0x60000)
++#define CONFIG_ENV_ADDR_REDUND (AST_FMC_CS0_BASE + 0x70000)
+
+ #define CONFIG_ENV_OFFSET 0x60000 /* environment starts here */
+-#define CONFIG_ENV_SIZE 0x20000 /* Total Size of Environment Sector */
++#define CONFIG_ENV_OFFSET_REDUND 0x70000
++#define CONFIG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
++#define CONFIG_ENV_SIZE_REDUND 0x10000
+
+ #define CONFIG_BOOTCOMMAND \
+ "fdt addr 20080000; " \
+--
+1.8.3.1
+