From: Eduard Strehlau eduard@lionizers.com
When performing rootfs update via swupdate, it is convenient to check the 'ustate' variable to decide whether the update succeeded or not.
Signed-off-by: Eduard Strehlau eduard@lionizers.com Signed-off-by: Fabio Estevam festevam@denx.de --- Changes since v4: - None
include/configs/smegw01.h | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/include/configs/smegw01.h b/include/configs/smegw01.h index 05edaac42f8e..277c828d0e07 100644 --- a/include/configs/smegw01.h +++ b/include/configs/smegw01.h @@ -30,13 +30,19 @@ "bootm_size=0x10000000\0" \ "mmcdev=0\0" \ "mmcpart=1\0" \ + "mmcpart_committed=1\0" \ "mmcargs=setenv bootargs console=${console},${baudrate} " \ - "root=/dev/mmcblk0p${mmcpart} rootwait rw " \ + "root=/dev/mmcblk0p${mmcpart_committed} rootwait rw " \ __stringify(EXTRA_BOOTPARAMS) "\0" \ + "commit_mmc=if test "${ustate}" = 1 -a "${mmcpart}" != "${mmcpart_committed}"; then " \ + "setenv mmcpart_committed ${mmcpart};" \ + "saveenv;" \ + "fi;\0" \ "bootlimit=3\0" \ - "loadimage=load mmc ${mmcdev}:${mmcpart} ${loadaddr} boot/${image}\0" \ - "loadfdt=load mmc ${mmcdev}:${mmcpart} ${fdt_addr} boot/${fdtfile}\0" \ + "loadimage=load mmc ${mmcdev}:${mmcpart_committed} ${loadaddr} boot/${image}\0" \ + "loadfdt=load mmc ${mmcdev}:${mmcpart_committed} ${fdt_addr} boot/${fdtfile}\0" \ "mmcboot=echo Booting from mmc ...; " \ + "run commit_mmc; " \ "run mmcargs; " \ "if run loadfdt; then " \ "if bootz ${loadaddr} - ${fdt_addr}; then " \ @@ -48,10 +54,12 @@ "run altbootcmd; " \ "fi;\0" \ "altbootcmd=echo Performing rollback...; " \ - "if test "${mmcpart}" = 1; then " \ + "if test "${mmcpart_committed}" = 1; then " \ "setenv mmcpart 2; " \ + "setenv mmcpart_committed 2;" \ "else " \ "setenv mmcpart 1; " \ + "setenv mmcpart_committed 1;" \ "fi; setenv bootcount 0; setenv upgrade_available; setenv ustate 3; saveenv; " \ "run bootcmd;\0"