bc173ddd83
New U-Boot version for MediaTek MT76x8/MT762x based ALFA Network boards
includes support for a 'dual image' feature. Users can enable it using
U-Boot environment variable 'dual_image' ('1' -> enabled).
When 'dual image' feature is enabled, U-Boot will modify DTB and divide
the original 'firmware' flash area into two, equal in size and aligned
to 64 KB partitions: 'firmware' and 'backup'. U-Boot will also adjust
size of 'firmware' area to match installed flash chip size.
U-Boot will load kernel from active partition which is marked with env
variable 'bootactive' ('1' -> first partition, '2' -> second partition)
and rename both partitions accordingly ('firmware' <-> 'backup').
There are 3 additional env variables used to control 'dual image' mode:
- bootlimit - maximum number of unsuccessful boot tries (default: '3')
- bootcount - current number of boot tries
- bootchanged - flag which informs that active partition was changed; if
it is set and 'bootcount' reaches 'bootlimit' value,
U-Boot will start web-based recovery which then updates
both partitions with provided image
Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
16 lines
293 B
Bash
Executable File
16 lines
293 B
Bash
Executable File
#!/bin/sh /etc/rc.common
|
|
|
|
START=99
|
|
|
|
boot() {
|
|
case $(board_name) in
|
|
alfa-network,awusfree1)
|
|
[ -n "$(fw_printenv bootcount bootchanged 2>/dev/null)" ] &&\
|
|
echo -e "bootcount\nbootchanged\n" | /usr/sbin/fw_setenv -s -
|
|
;;
|
|
xiaomi,miwifi-nano)
|
|
fw_setenv flag_boot_success 1
|
|
;;
|
|
esac
|
|
}
|