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rockchip: rk3399: Add bootcount support

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Add bootcount support for Rockchip rk3399.

The bootcount value is preserved in PMU_SYS_REG0 register,
this would help to support redundent boot.

Once the redundant boot triggers, the altboot command
will look for extlinux-rollback.conf on particular
bootable partition which supposed to be a recovery
partition where redundant boot required.

Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
This commit is contained in:
Jagan Teki
2020-01-09 14:22:19 +05:30
committed by Kever Yang
parent ee6321fa14
commit efebc8edd6
3 changed files with 16 additions and 1 deletions
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5
include/configs/rk3399_common.h
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@@ -63,7 +63,10 @@
"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
"partitions=" PARTS_DEFAULT \
ROCKCHIP_DEVICE_SETTINGS \
BOOTENV
BOOTENV \
"altbootcmd=" \
"setenv boot_syslinux_conf extlinux/extlinux-rollback.conf;" \
"run distro_bootcmd\0"
#endif