This allow for easy update of firmware in the SD card from a running
U-Boot.
Signed-off-by: Otavio Salvador <ota...@ossystems.com.br>
---
Changes in v3:
- New patch
Changes in v2: None
include/configs/wandboard.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/include/configs/wandboard.h b/include/configs/wandboard.h
index bd3e727..0dc3286 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=" \
--
1.8.1
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