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openwrt/target/linux/ath79/dts/qca9558_linksys_ea4500-v3.dts
Edward Chow 6691ff86b7 ath79: linksys_ea4500-v3: take over the space for user data
The last "syscfg" partition of the OEM firmware turns out to be a
UBIFS used to store user data, just as the "rootfs_data" of OpenWrt,
so it should be reasonable to absorb it into the "ubi" partition.

Factory installations via either OEM firmware or tftp, or by forcibly
flashing factory image to mtd5 (firmware) partition with mtd tool are
confirmed working, but the UBI remaining inside "syscfg" partition
could break upgrade. Fortunately, installing kmod-mtd-rw and erasing
"syscfg" partition before upgrade is confirmed working, in which case,
"ubi" will automatically expand to the blank space once occupied by
the former mtd8 (syscfg), with the total block number increased, but
the UBIFS for rootfs_data will not automatically claim the newly
available space (since it is created when mtd8 still exists, and
sysupgrade does not set "autoresize" flag to rootfs_data). These space
will be claimed during the next upgrade, when rootfs_data is removed
and created again.

Fixes: 50f727b7737d1 ("ath79: add support for Linksys EA4500 v3")

Signed-off-by: Edward Chow <equu@openmail.cc>
Link: https://github.com/openwrt/openwrt/pull/14791
Signed-off-by: Robert Marko <robimarko@gmail.com>
2024-11-07 14:56:39 +01:00

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// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
#include "qca955x.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
/ {
compatible = "linksys,ea4500-v3", "qca,qca9558";
model = "Linksys EA4500 v3";
aliases {
led-boot = &led_system;
led-failsafe = &led_system;
led-running = &led_system;
led-upgrade = &led_system;
label-mac-device = &eth1;
};
leds {
compatible = "gpio-leds";
led_system: system {
label = "green:system";
gpios = <&gpio 21 GPIO_ACTIVE_HIGH>;
default-state = "on";
};
};
keys {
compatible = "gpio-keys";
reset {
label = "reset";
linux,code = <KEY_RESTART>;
gpios = <&gpio 17 GPIO_ACTIVE_LOW>;
debounce-interval = <60>;
};
wps {
label = "wps";
linux,code = <KEY_WPS_BUTTON>;
gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
debounce-interval = <60>;
};
};
};
&pcie0 {
status = "okay";
wifi@0,0 {
compatible = "pci168c,0033";
reg = <0x0000 0 0 0 0>;
nvmem-cells = <&cal_ath9k_pci>;
nvmem-cell-names = "calibration";
};
};
&usb_phy0 {
status = "okay";
};
&usb0 {
status = "okay";
};
&nand {
status = "okay";
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "uboot";
reg = <0x0 0x100000>;
read-only;
};
partition@100000 {
label = "u_env";
reg = <0x100000 0x40000>;
};
partition@140000 {
label = "caldata";
reg = <0x140000 0x40000>;
read-only;
nvmem-layout {
compatible = "fixed-layout";
#address-cells = <1>;
#size-cells = <1>;
cal_macaddr: macaddr@0 {
reg = <0x6 0x6>;
};
cal_ath9k_soc: cal_ath9k@1000 {
reg = <0x1000 0x440>;
};
cal_ath9k_pci: cal_ath9k@5000 {
reg = <0x5000 0x440>;
};
};
};
partition@180000 {
label = "s_env";
reg = <0x180000 0x40000>;
read-only;
};
partition@1c0000 {
label = "devinfo";
reg = <0x1c0000 0x100000>;
read-only;
};
partition@2c0000 {
label = "firmware";
reg = <0x2c0000 0x7d40000>;
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "kernel";
reg = <0x0 0x400000>;
};
partition@400000 {
label = "ubi";
reg = <0x400000 0x7940000>;
};
/* Original layout for secondary partitions */
/* partition@2800000 {
label = "kernel2";
reg = <0x2800000 0x400000>;
};
partition@2c00000 {
label = "ubi2";
reg = <0x2c00000 0x2400000>;
}; */
};
/* Original layout for user data partition */
/* partition@52c0000 {
label = "syscfg";
reg = <0x52c0000 0x2d40000>;
}; */
};
};
&mdio0 {
status = "okay";
phy0: ethernet-phy@0 {
reg = <0>;
qca,ar8327-initvals = <
0x04 0x07600000 /* PORT0 PAD MODE CTRL: RGMII, to eth0 */
0x0c 0x00000080 /* PORT6 PAD MODE CTRL: SGMII, to eth1 */
0x50 0xc833c833 /* LED_CTRL0: orange, blinking with act */
0x54 0xcf85cf85 /* LED_CTRL1: green, on with link */
0x58 0x00000000 /* LED_CTRL2: unpopulated */
0x5c 0x00f3cf00 /* LED_CTRL3: enable led 0 and 1 */
0x7c 0x0000007e /* PORT0_STATUS */
0x94 0x0000007e /* PORT6 STATUS */
>;
};
};
&eth0 {
status = "okay";
nvmem-cells = <&cal_macaddr>;
nvmem-cell-names = "mac-address";
phy-handle = <&phy0>;
pll-data = <0x96000000 0x00000101 0x00001616>;
gmac-config {
device = <&gmac>;
rgmii-enabled = <1>;
};
};
&eth1 {
status = "okay";
nvmem-cells = <&cal_macaddr>;
nvmem-cell-names = "mac-address";
pll-data = <0x03000101 0x00000101 0x00001616>;
fixed-link {
speed = <1000>;
full-duplex;
};
};
&wmac {
status = "okay";
nvmem-cells = <&cal_ath9k_soc>;
nvmem-cell-names = "calibration";
};