There's a 64K reserved area at the end of the first 4M.
Store env there, so we can use fastboot to flash it.

Signed-off-by: Jeffy Chen <jeffy.c...@rock-chips.com>

---

Changes in v5:
New patch.

Changes in v4: None
Changes in v3: None
Changes in v2: None

 include/configs/kylin_rk3036.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/configs/kylin_rk3036.h b/include/configs/kylin_rk3036.h
index 3fe43eb..b56c492 100644
--- a/include/configs/kylin_rk3036.h
+++ b/include/configs/kylin_rk3036.h
@@ -7,10 +7,22 @@
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
+#include <linux/sizes.h>
 #include <configs/rk3036_common.h>
 
 #ifndef CONFIG_SPL_BUILD
 
+/* Store env in emmc */
+#undef CONFIG_ENV_SIZE
+#define CONFIG_ENV_SIZE                        SZ_32K
+#undef CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_SYS_MMC_ENV_DEV         0 /* emmc */
+#define CONFIG_SYS_MMC_ENV_PART                0 /* user area */
+#define CONFIG_ENV_OFFSET              (SZ_4M - SZ_64K) /* reserved area */
+#define CONFIG_ENV_OFFSET_REDUND       (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
+#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+
 /* Enable gpt partition table */
 #define CONFIG_CMD_GPT
 #define CONFIG_RANDOM_UUID
-- 
2.1.4


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