From: Otavio Salvador <otavio@ossystems.com.br>
Date: Fri, 19 Apr 2013 03:42:00 +0000 (+0000)
Subject: wandboard: Add update_sd_firmware support
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=0798d5785d3fe71f1e2b30dab908fc9a9b40e016;p=u-boot.git

wandboard: Add update_sd_firmware support

This allow for easy update of firmware in the SD card from a running
U-Boot.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
---

diff --git a/include/configs/wandboard.h b/include/configs/wandboard.h
index bd3e727a17..0dc328687b 100644
--- a/include/configs/wandboard.h
+++ b/include/configs/wandboard.h
@@ -47,6 +47,8 @@
 
 #undef CONFIG_CMD_IMLS
 
+#define CONFIG_CMD_SETEXPR
+
 #define CONFIG_BOOTDELAY		5
 
 #define CONFIG_SYS_MEMTEST_START	0x10000000
@@ -100,6 +102,20 @@
 	"mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \
 	"mmcpart=" __stringify(CONFIG_SYS_MMC_ENV_PART) "\0" \
 	"mmcroot=/dev/mmcblk0p3 rootwait rw\0" \
+	"update_sd_firmware_filename=u-boot.imx\0" \
+	"update_sd_firmware=" \
+		"if test ${ip_dyn} = yes; then " \
+			"setenv get_cmd dhcp; " \
+		"else " \
+			"setenv get_cmd tftp; " \
+		"fi; " \
+		"if mmc dev ${mmcdev}; then "	\
+			"if ${get_cmd} ${update_sd_firmware_filename}; then " \
+				"setexpr fw_sz ${filesize} / 0x200; " \
+				"setexpr fw_sz ${fw_sz} + 1; "	\
+				"mmc write ${loadaddr} 0x2 ${fw_sz}; " \
+			"fi; "	\
+		"fi\0" \
 	"mmcargs=setenv bootargs console=${console},${baudrate} " \
 		"root=${mmcroot}\0" \
 	"loadbootscript=" \