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ath79: fix first reboot issue on Netgear WNDR4300 v2 and WNDR4500 v3

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From the Netgear u-boot GPL code[1]. Bootloader always unconditionally
marks block 768, 1020 - 1023 as bad blocks on each boot. This may lead
to conflicts with the OpenWrt nand driver since these blocks may be good
blocks. In this case, U-boot will override the oob of these blocks so
that break the ubi volume. The system will be damaged after first reboot.
To avoid this issue, manually skip these blocks by using "mtd-concat".

[1] https://www.downloads.netgear.com/files/GPL/EX7300v2series-V1.0.0.146_gpl_src.tar.bz2.zip

Fixes: https://github.com/openwrt/openwrt/issues/8878
Tested-by: Yousaf <yousaf465@gmail.com>
Signed-off-by: Shiji Yang <yangshiji66@qq.com>
This commit is contained in:
Shiji Yang 2023-07-09 22:10:54 +08:00 committed by Hauke Mehrtens
parent 0f9b8aa3f5
commit 12f53724c6
3 changed files with 50 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
target/linux/ath79/dts/qca9563_netgear_wndr.dtsi
View File

@ -90,6 +90,22 @@
linux,default-trigger = "phy1tpt";
};
};
ubi-concat {
compatible = "mtd-concat";
devices = <&ubiconcat0 &ubiconcat1>;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "ubi";
reg = <0x0 0x0>;
};
};
};
};
&spi {
@ -165,10 +181,20 @@
reg = <0x0 0x400000>;
};
partition@400000 {
label = "ubi";
reg = <0x400000 0x7c00000>;
ubiconcat0: partition@400000 {
label = "ubiconcat0";
reg = <0x400000 0x5c00000>;
};
ubiconcat1: partition@6020000 {
label = "ubiconcat1";
reg = <0x6020000 0x1f60000>;
};
/*
* U-boot always unconditionally marks block 768, 1020 - 1023 as
* bad blocks on each boot. To avoid conflicts with the nand
* driver, manually skip them.
*/
};
};
};

6
target/linux/ath79/image/nand.mk
View File

@ -373,6 +373,9 @@ TARGET_DEVICES += netgear_wndr4300tn
define Device/netgear_wndr4300-v2
SOC := qca9563
DEVICE_COMPAT_VERSION := 1.1
DEVICE_COMPAT_MESSAGE := Partition table has been changed to fix the \
first reboot issue. Please reflash factory image with nmrp or tftp.
DEVICE_MODEL := WNDR4300
DEVICE_VARIANT := v2
UIMAGE_MAGIC := 0x27051956
@ -384,6 +387,9 @@ TARGET_DEVICES += netgear_wndr4300-v2
define Device/netgear_wndr4500-v3
SOC := qca9563
DEVICE_COMPAT_VERSION := 1.1
DEVICE_COMPAT_MESSAGE := Partition table has been changed to fix the \
first reboot issue. Please reflash factory image with nmrp or tftp.
DEVICE_MODEL := WNDR4500
DEVICE_VARIANT := v3
UIMAGE_MAGIC := 0x27051956

15
target/linux/ath79/nand/base-files/etc/board.d/05_compat-version Normal file
View File

@ -0,0 +1,15 @@
. /lib/functions.sh
. /lib/functions/uci-defaults.sh
board_config_update
case "$(board_name)" in
netgear,wndr4300-v2|\
netgear,wndr4500-v3)
ucidef_set_compat_version "1.1"
;;
esac
board_config_flush
exit 0