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authorFabio Estevam <festevam@gmail.com>2019-08-30 13:58:29 -0300
committerStefano Babic <sbabic@denx.de>2019-10-08 16:35:59 +0200
commit033f6ea5fa5fce63d52c8c2b63d8284144415b88 (patch)
treedd44ba77e47eb9023254c36408453b12a8a1fd29 /include/configs/mx53loco.h
parent31bd001b21272dacdf74e2795323ec10ff887605 (diff)
mx53loco: Fix U-Boot corruption after saving the environment
U-Boot binary has grown in such a way that it goes beyond the reserved area for the environment variables. Running "saveenv" causes U-Boot to hang because of this overlap. Fix this problem by increasing the CONFIG_ENV_OFFSET size. Also, in order to prevent this same problem in the future, use CONFIG_BOARD_SIZE_LIMIT, which will detect the overlap in build-time. CONFIG_BOARD_SIZE_LIMIT does not accept math expressions, so declare CONFIG_ENV_OFFSET with its direct value instead. Signed-off-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Diffstat (limited to 'include/configs/mx53loco.h')
-rw-r--r--include/configs/mx53loco.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/include/configs/mx53loco.h b/include/configs/mx53loco.h
index b734b822dd..65a5993f61 100644
--- a/include/configs/mx53loco.h
+++ b/include/configs/mx53loco.h
@@ -163,8 +163,18 @@
#define CONFIG_SYS_INIT_SP_ADDR \
(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
-/* environment organization */
-#define CONFIG_ENV_OFFSET (6 * 64 * 1024)
+/* Environment starts at 768k = 768 * 1024 = 786432 */
+#define CONFIG_ENV_OFFSET 786432
+/*
+ * Detect overlap between U-Boot image and environment area in build-time
+ *
+ * CONFIG_BOARD_SIZE_LIMIT = CONFIG_ENV_OFFSET - u-boot.imx offset
+ * CONFIG_BOARD_SIZE_LIMIT = 768k - 1k = 767k = 785408
+ *
+ * Currently CONFIG_BOARD_SIZE_LIMIT does not handle expressions, so
+ * write the direct value here
+ */
+#define CONFIG_BOARD_SIZE_LIMIT 785408
#define CONFIG_ENV_SIZE (8 * 1024)
#define CONFIG_SYS_MMC_ENV_DEV 0