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[U-Boot,v3,1/3] ARM: at91: sama5d3_xplained: save environment in a FAT file in MMC card

Message ID 1421721213-9642-2-git-send-email-josh.wu@atmel.com
State Accepted, archived
Delegated to: Andreas Bießmann
Headers show

Commit Message

Josh Wu Jan. 20, 2015, 2:33 a.m. UTC
This patch will save U-Boot environment as a file: uboot.env, in FAT partition
instead of saving it in raw sector of MMC card.

This make us easier to manage the environment file.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Bo Shen <voice.shen@atmel.com>
---

Changes in v3:
- move CONFIG_FAT_WRITE macro to share with USB and MMC

Changes in v2:
- refined commit messages

 include/configs/sama5d3_xplained.h | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

Comments

Andreas Bießmann Feb. 7, 2015, 10:47 p.m. UTC | #1
Dear Josh Wu,

Josh Wu <Josh.wu@atmel.com> writes:
>This patch will save U-Boot environment as a file: uboot.env, in FAT partition
>instead of saving it in raw sector of MMC card.
>
>This make us easier to manage the environment file.
>
>Signed-off-by: Josh Wu <josh.wu@atmel.com>
>Acked-by: Bo Shen <voice.shen@atmel.com>
>---
>
>Changes in v3:
>- move CONFIG_FAT_WRITE macro to share with USB and MMC
>
>Changes in v2:
>- refined commit messages
>
> include/configs/sama5d3_xplained.h | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)

applied to u-boot-atmel/master, thanks!

Best regards,
Andreas Bießmann
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Patch

diff --git a/include/configs/sama5d3_xplained.h b/include/configs/sama5d3_xplained.h
index d5588b1..3ff2b07 100644
--- a/include/configs/sama5d3_xplained.h
+++ b/include/configs/sama5d3_xplained.h
@@ -169,13 +169,14 @@ 
 				"bootz 0x22000000 - 0x21000000"
 #elif CONFIG_SYS_USE_MMC
 /* bootstrap + u-boot + env in sd card */
-#define CONFIG_ENV_IS_IN_MMC
-#define CONFIG_ENV_OFFSET	0x2000
-#define CONFIG_ENV_SIZE		0x1000
+#define CONFIG_ENV_IS_IN_FAT
+#define FAT_ENV_INTERFACE	"mmc"
+#define FAT_ENV_FILE		"uboot.env"
+#define FAT_ENV_DEVICE_AND_PART	"0"
+#define CONFIG_ENV_SIZE		0x4000
 #define CONFIG_BOOTCOMMAND	"fatload mmc 0:1 0x21000000 at91-sama5d3_xplained.dtb; " \
 				"fatload mmc 0:1 0x22000000 zImage; " \
 				"bootz 0x22000000 - 0x21000000"
-#define CONFIG_SYS_MMC_ENV_DEV	0
 #else
 #define CONFIG_ENV_IS_NOWHERE
 #endif