If GPT gets broken, then after N boot attempts we will run the SWUpdate restoration image. On its enter we will check GPT and restore it if needed.
To test it: display5 > mmc write 0x12000000 4 8
It will overwrite the primary GPT table.
Signed-off-by: Lukasz Majewski lukma@denx.de ---
include/configs/display5.h | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/include/configs/display5.h b/include/configs/display5.h index 906345067c..4b6a7cc00e 100644 --- a/include/configs/display5.h +++ b/include/configs/display5.h @@ -144,6 +144,16 @@ "echo '#######################';" \ "echo '# RECOVERY SWUupdate #';" \ "echo '#######################';" \ + "echo '#######################';" \ + "echo '# GPT verify #';" \ + "if gpt verify mmc ${mmcdev} ${partitions}; then " \ + "echo '# OK ! #';" \ + "else " \ + "echo '# FAILED ! #';" \ + "echo '# GPT RESTORATION #';" \ + "gpt write mmc ${mmcdev} ${partitions};" \ + "fi;" \ + "echo '#######################';" \ "setenv loadaddr_swu_initramfs 0x14000000;" \ "setenv bootargs console=${console} " \ "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \