[U-Boot] [PATCH] arm: atmel: add nand trimffs subcommand for at91sam9n12 and at91sam9x5

[Bo Shen]

as the at91sam9n12 and at91sam9x5 soc support PMECC, when use u-boot
to flash the rootfs, in order to avoid flash one sector with all 0xff
into NAND, so use nand trimffs subcommand to avoid it

Signed-off-by: Bo Shen <voice.shen at atmel.com>
---
 include/configs/at91sam9n12ek.h |    3 +++
 include/configs/at91sam9x5ek.h  |    2 ++
 2 files changed, 5 insertions(+)

diff --git a/include/configs/at91sam9n12ek.h b/include/configs/at91sam9n12ek.h
index b4b1c31..c2826f3 100644
--- a/include/configs/at91sam9n12ek.h
+++ b/include/configs/at91sam9n12ek.h
@@ -138,6 +138,9 @@
 #define CONFIG_PMECC_CAP		2
 #define CONFIG_PMECC_SECTOR_SIZE	512
 #define CONFIG_PMECC_INDEX_TABLE_OFFSET	0x8000
+
+#define CONFIG_CMD_NAND_TRIMFFS
+
 #endif
 
 #define CONFIG_MTD_PARTITIONS
diff --git a/include/configs/at91sam9x5ek.h b/include/configs/at91sam9x5ek.h
index ee6e3fc..625142c 100644
--- a/include/configs/at91sam9x5ek.h
+++ b/include/configs/at91sam9x5ek.h
@@ -139,6 +139,8 @@
 #define CONFIG_PMECC_SECTOR_SIZE	512
 #define CONFIG_PMECC_INDEX_TABLE_OFFSET	0x8000
 
+#define CONFIG_CMD_NAND_TRIMFFS
+
 #define CONFIG_MTD_DEVICE
 #define CONFIG_CMD_MTDPARTS
 #define CONFIG_MTD_PARTITIONS
-- 
1.7.9.5