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ar71xx: qihoo-c301: reset imageNtrynum after each successful boot.

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Qihoo C301 has 2 flash chips of which one is used as primary and the
other is used as backup.  OEM U-Boot will try to boot an activeregion N
with imageNstatus=0 and imageNtrynum <= imagemaxtry.  If such a region
is found, bootloader will try to increment imageNtrynum and boot it.

This patch tries to reset imageNtrynum after each successful boot (if
the boot process reaches the execution of /etc/init.d/done).

	root@OpenWrt:/# hexdump -C -n 128 /dev/mtdblock9
	00000000  9e f3 63 91 61 63 74 69  76 65 72 65 67 69 6f 6e  |..c.activeregion|
	00000010  3d 31 00 69 6d 61 67 65  31 73 74 61 74 75 73 3d  |=1.image1status=|
	00000020  30 00 69 6d 61 67 65 32  73 74 61 74 75 73 3d 30  |0.image2status=0|
	00000030  00 69 6d 61 67 65 32 74  72 79 6e 75 6d 3d 30 00  |.image2trynum=0.|
	00000040  69 6d 61 67 65 6d 61 78  74 72 79 3d 33 00 69 6d  |imagemaxtry=3.im|
	00000050  61 67 65 31 74 72 79 6e  75 6d 3d 30 00 00 00 00  |age1trynum=0....|
	00000060  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

SVN-Revision: 42914
This commit is contained in:
John Crispin 2014-10-14 12:21:36 +00:00
parent 13dce9817e
commit 24a0269b71
2 changed files with 9 additions and 0 deletions
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3
package/boot/uboot-envtools/files/ar71xx
View file

@ -41,6 +41,9 @@ om2p-lc)
wzr-hp-ag300h) wzr-hp-ag300h)
ubootenv_add_uci_config "/dev/mtd3" "0x0" "0x10000" "0x10000" ubootenv_add_uci_config "/dev/mtd3" "0x0" "0x10000" "0x10000"
;; ;;
qihoo-c301)
ubootenv_add_uci_config "/dev/mtd9" "0x0" "0x10000" "0x10000"
;;
esac esac
config_load ubootenv config_load ubootenv

6
target/linux/ar71xx/base-files/etc/diag.sh
View file

@ -297,6 +297,12 @@ set_state() {
;; ;;
done) done)
status_led_on status_led_on
case $(ar71xx_board_name) in
qihoo-c301)
local n=$(fw_printenv activeregion | cut -d = -f 2)
fw_setenv "image${n}trynum" 0
;;
esac
;; ;;
esac esac
} }