fb8a578aa7
Increase the available flash memory size in Netgear R7800 by taking into the use the unused "netgear" partition that is located after the firmware partition. Available flash space for kernel+rootfs+overlay increases by 68 MB from 32 MB to 100 MB. In a typical build, overlay space increases from 15 to 85, increasing the package installation possibilities greatly. Reverting to the OEM firmware is still possible, as the OEM firmware contains logic to initialise the "netgear" partition if its contents do not match expectations. In OEM firmware, "netgear" contains 6 UBI sub-partitions that are defined in /etc/netgear.cfg and initialisation is done by /etc/preinit Tested with Openwrt master r7093-4fdc6ca31b and OEM V1.0.2.52 Reference to forum discussion in Netgear R7800 exploration thread: https://forum.lede-project.org/t/netgear-r7800-exploration-ipq8065-qca9984/285/1118 (messages 1118-1158) Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>
519 lines
9.8 KiB
Text
519 lines
9.8 KiB
Text
#include "qcom-ipq8065.dtsi"
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#include <dt-bindings/input/input.h>
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/ {
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model = "Netgear Nighthawk X4S R7800";
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compatible = "netgear,r7800", "qcom,ipq8065", "qcom,ipq8064";
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memory@0 {
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reg = <0x42000000 0x1e000000>;
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device_type = "memory";
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};
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reserved-memory {
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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rsvd@41200000 {
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reg = <0x41200000 0x300000>;
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no-map;
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};
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rsvd@5fe00000 {
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reg = <0x5fe00000 0x200000>;
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reusable;
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};
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};
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aliases {
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serial0 = &gsbi4_serial;
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mdio-gpio0 = &mdio0;
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led-boot = &power_white;
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led-failsafe = &power_amber;
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led-running = &power_white;
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led-upgrade = &power_amber;
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};
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chosen {
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linux,stdout-path = "serial0:115200n8";
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};
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soc {
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pinmux@800000 {
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button_pins: button_pins {
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mux {
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pins = "gpio6", "gpio54", "gpio65";
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function = "gpio";
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drive-strength = <2>;
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bias-pull-up;
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};
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};
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i2c4_pins: i2c4_pinmux {
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mux {
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pins = "gpio12", "gpio13";
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function = "gsbi4";
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drive-strength = <12>;
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bias-disable;
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};
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};
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led_pins: led_pins {
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pins = "gpio7", "gpio8", "gpio9", "gpio22", "gpio23",
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"gpio24","gpio26", "gpio53", "gpio64";
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function = "gpio";
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drive-strength = <2>;
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bias-pull-down;
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};
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nand_pins: nand_pins {
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mux {
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pins = "gpio34", "gpio35", "gpio36",
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"gpio37", "gpio38", "gpio39",
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"gpio40", "gpio41", "gpio42",
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"gpio43", "gpio44", "gpio45",
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"gpio46", "gpio47";
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function = "nand";
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drive-strength = <10>;
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bias-disable;
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};
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pullups {
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pins = "gpio39";
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bias-pull-up;
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};
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hold {
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pins = "gpio40", "gpio41", "gpio42",
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"gpio43", "gpio44", "gpio45",
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"gpio46", "gpio47";
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bias-bus-hold;
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};
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};
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mdio0_pins: mdio0_pins {
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mux {
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pins = "gpio0", "gpio1";
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function = "gpio";
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drive-strength = <8>;
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bias-disable;
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};
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clk {
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pins = "gpio1";
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input-disable;
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};
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};
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rgmii2_pins: rgmii2_pins {
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mux {
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pins = "gpio27", "gpio28", "gpio29", "gpio30", "gpio31", "gpio32",
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"gpio51", "gpio52", "gpio59", "gpio60", "gpio61", "gpio62" ;
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function = "rgmii2";
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drive-strength = <8>;
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bias-disable;
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};
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tx {
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pins = "gpio27", "gpio28", "gpio29", "gpio30", "gpio31", "gpio32" ;
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input-disable;
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};
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};
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spi_pins: spi_pins {
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mux {
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pins = "gpio18", "gpio19", "gpio21";
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function = "gsbi5";
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bias-pull-down;
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};
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data {
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pins = "gpio18", "gpio19";
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drive-strength = <10>;
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};
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cs {
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pins = "gpio20";
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drive-strength = <10>;
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bias-pull-up;
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};
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clk {
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pins = "gpio21";
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drive-strength = <12>;
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};
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};
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spi6_pins: spi6_pins {
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mux {
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pins = "gpio55", "gpio56", "gpio58";
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function = "gsbi6";
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bias-pull-down;
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};
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mosi {
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pins = "gpio55";
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drive-strength = <12>;
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};
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miso {
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pins = "gpio56";
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drive-strength = <14>;
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};
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cs {
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pins = "gpio57";
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drive-strength = <12>;
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bias-pull-up;
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};
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clk {
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pins = "gpio58";
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drive-strength = <12>;
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};
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reset {
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pins = "gpio33";
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drive-strength = <10>;
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bias-pull-down;
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output-high;
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};
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};
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usb0_pwr_en_pins: usb0_pwr_en_pins {
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mux {
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pins = "gpio15";
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function = "gpio";
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drive-strength = <12>;
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bias-pull-down;
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output-high;
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};
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};
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usb1_pwr_en_pins: usb1_pwr_en_pins {
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mux {
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pins = "gpio16", "gpio68";
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function = "gpio";
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drive-strength = <12>;
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bias-pull-down;
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output-high;
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};
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};
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};
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gsbi@16300000 {
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qcom,mode = <GSBI_PROT_I2C_UART>;
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status = "ok";
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serial@16340000 {
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status = "ok";
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};
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/*
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* The i2c device on gsbi4 should not be enabled.
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* On ipq806x designs gsbi4 i2c is meant for exclusive
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* RPM usage. Turning this on in kernel manifests as
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* i2c failure for the RPM.
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*/
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};
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sata-phy@1b400000 {
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status = "ok";
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};
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sata@29000000 {
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ports-implemented = <0x1>;
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status = "ok";
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};
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phy@100f8800 { /* USB3 port 1 HS phy */
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status = "ok";
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};
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phy@100f8830 { /* USB3 port 1 SS phy */
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status = "ok";
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};
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phy@110f8800 { /* USB3 port 0 HS phy */
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status = "ok";
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};
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phy@110f8830 { /* USB3 port 0 SS phy */
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status = "ok";
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};
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usb30@0 {
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status = "ok";
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pinctrl-0 = <&usb0_pwr_en_pins>;
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pinctrl-names = "default";
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};
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usb30@1 {
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status = "ok";
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pinctrl-0 = <&usb1_pwr_en_pins>;
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pinctrl-names = "default";
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};
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pcie0: pci@1b500000 {
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status = "ok";
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};
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pcie1: pci@1b700000 {
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status = "ok";
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force_gen1 = <1>;
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};
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nand@1ac00000 {
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status = "ok";
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pinctrl-0 = <&nand_pins>;
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pinctrl-names = "default";
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cs0 {
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reg = <0>;
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compatible = "qcom,nandcs";
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nand-ecc-strength = <4>;
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nand-bus-width = <8>;
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nand-ecc-step-size = <512>;
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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qcadata@0 {
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label = "qcadata";
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reg = <0x0000000 0x0c80000>;
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read-only;
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};
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APPSBL@c80000 {
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label = "APPSBL";
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reg = <0x0c80000 0x0500000>;
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read-only;
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};
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APPSBLENV@1180000 {
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label = "APPSBLENV";
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reg = <0x1180000 0x0080000>;
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read-only;
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};
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art: art@1200000 {
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label = "art";
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reg = <0x1200000 0x0140000>;
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read-only;
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};
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artbak: art@1340000 {
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label = "artbak";
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reg = <0x1340000 0x0140000>;
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read-only;
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};
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kernel@1480000 {
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label = "kernel";
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reg = <0x1480000 0x0400000>;
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};
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ubi@1880000 {
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label = "ubi";
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reg = <0x1880000 0x6080000>;
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};
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reserve@7900000 {
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label = "reserve";
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reg = <0x7900000 0x0700000>;
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read-only;
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};
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firmware@1480000 {
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label = "firmware";
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reg = <0x1480000 0x6480000>;
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};
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};
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};
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};
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mdio0: mdio {
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compatible = "virtual,mdio-gpio";
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#address-cells = <1>;
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#size-cells = <0>;
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gpios = <&qcom_pinmux 1 GPIO_ACTIVE_HIGH &qcom_pinmux 0 GPIO_ACTIVE_HIGH>;
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pinctrl-0 = <&mdio0_pins>;
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pinctrl-names = "default";
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phy0: ethernet-phy@0 {
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device_type = "ethernet-phy";
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reg = <0>;
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qca,ar8327-initvals = <
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0x00004 0x7600000 /* PAD0_MODE */
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0x00008 0x1000000 /* PAD5_MODE */
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0x0000c 0x80 /* PAD6_MODE */
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0x000e4 0xaa545 /* MAC_POWER_SEL */
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0x000e0 0xc74164de /* SGMII_CTRL */
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0x0007c 0x4e /* PORT0_STATUS */
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0x00094 0x4e /* PORT6_STATUS */
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0x00970 0x1e864443 /* QM_PORT0_CTRL0 */
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0x00974 0x000001c6 /* QM_PORT0_CTRL1 */
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0x00978 0x19008643 /* QM_PORT1_CTRL0 */
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0x0097c 0x000001c6 /* QM_PORT1_CTRL1 */
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0x00980 0x19008643 /* QM_PORT2_CTRL0 */
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0x00984 0x000001c6 /* QM_PORT2_CTRL1 */
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0x00988 0x19008643 /* QM_PORT3_CTRL0 */
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0x0098c 0x000001c6 /* QM_PORT3_CTRL1 */
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0x00990 0x19008643 /* QM_PORT4_CTRL0 */
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0x00994 0x000001c6 /* QM_PORT4_CTRL1 */
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0x00998 0x1e864443 /* QM_PORT5_CTRL0 */
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0x0099c 0x000001c6 /* QM_PORT5_CTRL1 */
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0x009a0 0x1e864443 /* QM_PORT6_CTRL0 */
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0x009a4 0x000001c6 /* QM_PORT6_CTRL1 */
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>;
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qca,ar8327-vlans = <
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0x1 0x5e /* VLAN1 Ports 1/2/3/4/6 */
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0x2 0x21 /* VLAN2 Ports 0/5 */
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>;
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};
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phy4: ethernet-phy@4 {
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device_type = "ethernet-phy";
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reg = <4>;
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qca,ar8327-initvals = <
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0x000e4 0x6a545 /* MAC_POWER_SEL */
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0x0000c 0x80 /* PAD6_MODE */
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>;
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};
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};
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gmac1: ethernet@37200000 {
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status = "ok";
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phy-mode = "rgmii";
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qcom,id = <1>;
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qcom,phy_mdio_addr = <4>;
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qcom,poll_required = <0>;
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qcom,rgmii_delay = <1>;
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qcom,phy_mii_type = <0>;
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qcom,emulation = <0>;
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qcom,irq = <255>;
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mdiobus = <&mdio0>;
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pinctrl-0 = <&rgmii2_pins>;
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pinctrl-names = "default";
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mtd-mac-address = <&art 6>;
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fixed-link {
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speed = <1000>;
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full-duplex;
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};
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};
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gmac2: ethernet@37400000 {
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status = "ok";
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phy-mode = "sgmii";
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qcom,id = <2>;
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qcom,phy_mdio_addr = <0>; /* none */
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qcom,poll_required = <0>; /* no polling */
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qcom,rgmii_delay = <0>;
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qcom,phy_mii_type = <1>;
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qcom,emulation = <0>;
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qcom,irq = <258>;
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mdiobus = <&mdio0>;
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mtd-mac-address = <&art 0>;
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fixed-link {
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speed = <1000>;
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full-duplex;
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};
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};
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};
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gpio-keys {
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compatible = "gpio-keys";
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pinctrl-0 = <&button_pins>;
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pinctrl-names = "default";
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wifi {
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label = "wifi";
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gpios = <&qcom_pinmux 6 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_RFKILL>;
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debounce-interval = <60>;
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wakeup-source;
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};
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reset {
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label = "reset";
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gpios = <&qcom_pinmux 54 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_RESTART>;
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debounce-interval = <60>;
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wakeup-source;
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};
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wps {
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label = "wps";
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gpios = <&qcom_pinmux 65 GPIO_ACTIVE_LOW>;
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linux,code = <KEY_WPS_BUTTON>;
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debounce-interval = <60>;
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wakeup-source;
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};
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};
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gpio-leds {
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compatible = "gpio-leds";
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pinctrl-0 = <&led_pins>;
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pinctrl-names = "default";
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power_white: power_white {
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label = "r7800:white:power";
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gpios = <&qcom_pinmux 53 GPIO_ACTIVE_HIGH>;
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default-state = "keep";
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};
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power_amber: power_amber {
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label = "r7800:amber:power";
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gpios = <&qcom_pinmux 9 GPIO_ACTIVE_HIGH>;
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};
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wan_white {
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label = "r7800:white:wan";
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gpios = <&qcom_pinmux 22 GPIO_ACTIVE_HIGH>;
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};
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wan_amber {
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label = "r7800:amber:wan";
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gpios = <&qcom_pinmux 23 GPIO_ACTIVE_HIGH>;
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};
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usb1 {
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label = "r7800:white:usb1";
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gpios = <&qcom_pinmux 7 GPIO_ACTIVE_HIGH>;
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};
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usb2 {
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label = "r7800:white:usb2";
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gpios = <&qcom_pinmux 8 GPIO_ACTIVE_HIGH>;
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};
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esata {
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label = "r7800:white:esata";
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gpios = <&qcom_pinmux 26 GPIO_ACTIVE_HIGH>;
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};
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wifi {
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label = "r7800:white:wifi";
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gpios = <&qcom_pinmux 64 GPIO_ACTIVE_HIGH>;
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};
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wps {
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label = "r7800:white:wps";
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gpios = <&qcom_pinmux 24 GPIO_ACTIVE_HIGH>;
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};
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};
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};
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&adm_dma {
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status = "ok";
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};
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