This command allows easy update on SD card or eMMC of the flash.bin
generated (with binman) during u-boot build.

Signed-off-by: Lukasz Majewski <lu...@denx.de>
---
Changes for v2:
- Remove 'update_mmc_part' variable
- Change path for hostname
- Use full version of dhcp command (${loadaddr} added)

Changes for v3:
- Remove +1 when calculating the size of binary to be written
---
 include/configs/phycore_imx8mm.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/configs/phycore_imx8mm.h b/include/configs/phycore_imx8mm.h
index ce6dc87c69..361e665676 100644
--- a/include/configs/phycore_imx8mm.h
+++ b/include/configs/phycore_imx8mm.h
@@ -29,6 +29,16 @@
        "mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \
        "mmcpart=1\0" \
        "mmcroot=2\0" \
+       "update_offset=0x42\0" \
+       "update_filename=flash.bin\0" \
+       "hostname=/srv/tftp/\0" \
+       "update_bootimg="                                               \
+               "mmc dev ${mmcdev} ; "          \
+               "if dhcp ${loadaddr} ${hostname}/${update_filename} ; then "    
\
+               "setexpr fw_sz ${filesize} / 0x200 ; "  /* SD block size */ \
+               "setexpr fw_sz ${fw_sz} ; "                             \
+               "mmc write ${loadaddr} ${update_offset} ${fw_sz} ; "    \
+               "fi\0" \
        "mmcautodetect=yes\0" \
        "mmcargs=setenv bootargs console=${console} " \
                "root=/dev/mmcblk${mmcdev}p${mmcroot} rootwait rw\0" \
-- 
2.39.2

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