[PATCH v5 04/14] smegw01: Add altbootcmd
Fabio Estevam
festevam at gmail.com
Wed Apr 26 18:04:51 CEST 2023
From: Eduard Strehlau <eduard at lionizers.com>
Add an altbootcmd script, which is convenient way to integrate with
swupdate and perform a roll back of the previous working version in the
case of update failure.
Signed-off-by: Eduard Strehlau <eduard at lionizers.com>
Signed-off-by: Fabio Estevam <festevam at denx.de>
---
Changes since v4:
- None
configs/smegw01_defconfig | 2 +-
include/configs/smegw01.h | 8 ++++++++
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/configs/smegw01_defconfig b/configs/smegw01_defconfig
index 5d9d4194639d..418151a6de05 100644
--- a/configs/smegw01_defconfig
+++ b/configs/smegw01_defconfig
@@ -18,7 +18,7 @@ CONFIG_SYS_MEMTEST_END=0xa0000000
CONFIG_FIT=y
CONFIG_FIT_VERBOSE=y
CONFIG_USE_BOOTCOMMAND=y
-CONFIG_BOOTCOMMAND="if run loadimage; then run mmcboot; fi; "
+CONFIG_BOOTCOMMAND="if test \"${ustate}\" = 1; then setenv upgrade_available 1; saveenv; fi; if run loadimage; then run mmcboot; fi; "
CONFIG_HUSH_PARSER=y
CONFIG_SYS_MAXARGS=32
CONFIG_SYS_PBSIZE=532
diff --git a/include/configs/smegw01.h b/include/configs/smegw01.h
index a356f095a68c..6ee4acc70d29 100644
--- a/include/configs/smegw01.h
+++ b/include/configs/smegw01.h
@@ -33,6 +33,7 @@
"mmcargs=setenv bootargs console=${console},${baudrate} " \
"root=/dev/mmcblk0p${mmcpart} rootwait rw " \
__stringify(EXTRA_BOOTPARAMS) "\0" \
+ "bootlimit=3\0" \
"loadimage=load mmc ${mmcdev}:${mmcpart} ${loadaddr} boot/${image}\0" \
"loadfdt=load mmc ${mmcdev}:${mmcpart} ${fdt_addr} boot/${fdtfile}\0" \
"mmcboot=echo Booting from mmc ...; " \
@@ -40,6 +41,13 @@
"if run loadfdt; then " \
"bootz ${loadaddr} - ${fdt_addr}; " \
"fi;\0" \
+ "altbootcmd=echo Performing rollback...; " \
+ "if test \"${mmcpart}\" = 1; then " \
+ "setenv mmcpart 2; " \
+ "else " \
+ "setenv mmcpart 1; " \
+ "fi; setenv bootcount 0; setenv upgrade_available; setenv ustate 3; saveenv; " \
+ "run bootcmd;\0"
/* Physical Memory Map */
#define PHYS_SDRAM MMDC0_ARB_BASE_ADDR
--
2.34.1
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