colibri_imx7: add update_uboot wrapper

Add universal update_uboot wrapper that helps to update
U-Boot image on internal storage.

Usage example:
> tftpboot ${loadaddr} ${board_name}/u-boot-dtb.imx
> run update_uboot

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>

diff --git a/include/configs/colibri_imx7.h b/include/configs/colibri_imx7.h
index d92db7192ee38618aa9edda65c0f6829487a7e8f..88e1be1ef58b13af7284e21aabb93af39ef8c5f2 100644 (file)
--- a/include/configs/colibri_imx7.h
+++ b/include/configs/colibri_imx7.h
@@ -43,6 +43,22 @@
 #define CONFIG_NETMASK                 255.255.255.0
 #define CONFIG_SERVERIP                        192.168.10.1
 
+#if defined(CONFIG_TARGET_COLIBRI_IMX7_EMMC)
+#define UBOOT_UPDATE \
+       "uboot_hwpart=1\0" \
+       "uboot_blk=2\0" \
+       "set_blkcnt=setexpr blkcnt ${filesize} + 0x1ff && " \
+               "setexpr blkcnt ${blkcnt} / 0x200\0" \
+       "update_uboot=run set_blkcnt && mmc dev 0 ${uboot_hwpart} && " \
+               "mmc write ${loadaddr} ${uboot_blk} ${blkcnt}\0"
+#elif defined(CONFIG_TARGET_COLIBRI_IMX7_NAND)
+#define UBOOT_UPDATE \
+       "update_uboot=nand erase.part u-boot1 && " \
+               "nand write ${loadaddr} u-boot1 ${filesize} && " \
+               "nand erase.part u-boot2 && " \
+               "nand write ${loadaddr} u-boot2 ${filesize}\0"
+#endif
+
 #ifndef PARTS_DEFAULT
 /* Define the default GPT table for eMMC */
 #define PARTS_DEFAULT \
@@ -163,6 +179,7 @@
        MEM_LAYOUT_ENV_SETTINGS \
        NFS_BOOTCMD \
        MODULE_EXTRA_ENV_SETTINGS \
+       UBOOT_UPDATE \
        "boot_file=zImage\0" \
        "console=ttymxc0\0" \
        "defargs=\0" \