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[U-Boot,03/13] M28EVK: Add SD update command

Message ID 1335906232-24549-4-git-send-email-marex@denx.de
State Accepted
Commit 9a0f98d39714f5d681ee541e88a91a59a4e5407f
Delegated to: Marek Vasut
Headers show

Commit Message

Marek Vasut May 1, 2012, 9:03 p.m. UTC 
Add "update_sd_firmware" command to easily reload the SD card of
m28evk kit. This comes handy when the board boots from SD card.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Detlev Zundel <dzu@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Stefano Babic <sbabic@denxde>
Cc: Wolfgang Denk <wd@denx.de>
---
 include/configs/m28evk.h |    9 +++++++++
 1 file changed, 9 insertions(+)
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Patch

diff --git a/include/configs/m28evk.h b/include/configs/m28evk.h
index 012381a..c40d2a8 100644
--- a/include/configs/m28evk.h
+++ b/include/configs/m28evk.h
@@ -286,6 +286,7 @@ 
 #define	CONFIG_EXTRA_ENV_SETTINGS					\
 	"update_nand_full_filename=u-boot.nand\0"			\
 	"update_nand_firmware_filename=u-boot.sb\0"			\
+	"update_sd_firmware_filename=u-boot.sd\0"			\
 	"update_nand_firmware_maxsz=0x100000\0"				\
 	"update_nand_stride=0x40\0"	/* MX28 datasheet ch. 12.12 */	\
 	"update_nand_count=0x4\0"	/* MX28 datasheet ch. 12.12 */	\
@@ -312,6 +313,14 @@ 
 		"nand erase ${fcb_sz} ${fw_sz} ; "			\
 		"nand write ${loadaddr} ${fcb_sz} ${filesize} ; "	\
 		"nand write ${loadaddr} ${fw_off} ${filesize} ; "	\
+		"fi\0"							\
+	"update_sd_firmware="		/* Update the SD firmware partition */ \
+		"if mmc rescan ; then "					\
+		"if tftp ${update_sd_firmware_filename} ; then "	\
+		"setexpr fw_sz ${filesize} / 0x200 ; "	/* SD block size */ \
+		"setexpr fw_sz ${fw_sz} + 1 ; "				\
+		"mmc write ${loadaddr} 0x800 ${fw_sz} ; "		\
+		"fi ; "							\
 		"fi\0"
 
 #endif /* __M28_H__ */