Commit 93be5926 authored by Adrian Schmutzler's avatar Adrian Schmutzler
Browse files

ramips: mt7621: create DTSI for Xiaomi NAND devices



This creates a DTSI for Xiaomi devices with 128M NAND.

This allows to consolidate the partitions and a few other nodes for
AC2100 family and Mi Router 3G.

Note that the Mi Router 3 Pro has 256M NAND and differently sized
partitions.
Signed-off-by: default avatarAdrian Schmutzler <freifunk@adrianschmutzler.de>
parent 5a46b718
#include "mt7621.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include "mt7621_xiaomi_nand_128m.dtsi"
/ {
compatible = "xiaomi,mi-router-3g", "mediatek,mt7621-soc";
......@@ -15,10 +12,6 @@
label-mac-device = &gmac0;
};
chosen {
bootargs = "console=ttyS0,115200n8";
};
leds {
compatible = "gpio-leds";
......@@ -56,16 +49,6 @@
};
};
keys {
compatible = "gpio-keys";
reset {
label = "reset";
gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
linux,code = <KEY_RESTART>;
};
};
reg_usb_vbus: regulator {
compatible = "regulator-fixed";
regulator-name = "usb_vbus";
......@@ -80,92 +63,6 @@
vbus-supply = <&reg_usb_vbus>;
};
&nand {
status = "okay";
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "Bootloader";
reg = <0x0 0x80000>;
read-only;
};
partition@80000 {
label = "Config";
reg = <0x80000 0x40000>;
};
partition@c0000 {
label = "Bdata";
reg = <0xc0000 0x40000>;
read-only;
};
factory: partition@100000 {
label = "factory";
reg = <0x100000 0x40000>;
read-only;
};
partition@140000 {
label = "crash";
reg = <0x140000 0x40000>;
};
partition@180000 {
label = "crash_syslog";
reg = <0x180000 0x40000>;
};
partition@1c0000 {
label = "reserved0";
reg = <0x1c0000 0x40000>;
read-only;
};
/* uboot expects to find kernels at 0x200000 & 0x600000
* referred to as system 1 & system 2 respectively.
* a kernel is considered suitable for handing control over
* if its linux magic number exists & uImage CRC are correct.
* If either of those conditions fail, a matching sys'n'_fail flag
* is set in uboot env & a restart performed in the hope that the
* alternate kernel is okay.
* if neither kernel checksums ok and both are marked failed, system 2
* is booted anyway.
*
* Note uboot's tftp flash install writes the transferred
* image to both kernel partitions.
*/
partition@200000 {
label = "kernel_stock";
reg = <0x200000 0x400000>;
};
partition@600000 {
label = "kernel";
reg = <0x600000 0x400000>;
};
/* ubi partition is the result of squashing
* next consecutive stock partitions:
* - rootfs0 (rootfs partition for stock kernel0),
* - rootfs1 (rootfs partition for stock failsafe kernel1),
* - overlay (used as ubi overlay in stock fw)
* resulting 117,5MiB space for packages.
*/
partition@a00000 {
label = "ubi";
reg = <0xa00000 0x7580000>;
};
};
};
&pcie {
status = "okay";
};
......
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
#include "mt7621.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
/ {
chosen {
bootargs = "console=ttyS0,115200n8";
};
keys: keys {
compatible = "gpio-keys";
reset {
label = "reset";
gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
linux,code = <KEY_RESTART>;
};
};
};
&nand {
status = "okay";
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "Bootloader";
reg = <0x0 0x80000>;
read-only;
};
partition@80000 {
label = "Config";
reg = <0x80000 0x40000>;
};
partition@c0000 {
label = "Bdata";
reg = <0xc0000 0x40000>;
read-only;
};
factory: partition@100000 {
label = "factory";
reg = <0x100000 0x40000>;
read-only;
};
partition@140000 {
label = "crash";
reg = <0x140000 0x40000>;
};
partition@180000 {
label = "crash_syslog";
reg = <0x180000 0x40000>;
};
partition@1c0000 {
label = "reserved0";
reg = <0x1c0000 0x40000>;
read-only;
};
/* uboot expects to find kernels at 0x200000 & 0x600000
* referred to as system 1 & system 2 respectively.
* a kernel is considered suitable for handing control over
* if its linux magic number exists & uImage CRC are correct.
* If either of those conditions fail, a matching sys'n'_fail flag
* is set in uboot env & a restart performed in the hope that the
* alternate kernel is okay.
* if neither kernel checksums ok and both are marked failed, system 2
* is booted anyway.
*
* Note uboot's tftp flash install writes the transferred
* image to both kernel partitions.
*/
/* We keep stock xiaomi firmware (kernel0) here */
partition@200000 {
label = "kernel_stock";
reg = <0x200000 0x400000>;
};
partition@600000 {
label = "kernel";
reg = <0x600000 0x400000>;
};
/* ubi partition is the result of squashing
* next consecutive stock partitions:
* - rootfs0 (rootfs partition for stock kernel0),
* - rootfs1 (rootfs partition for stock failsafe kernel1),
* - overlay (used as ubi overlay in stock fw)
* resulting 117,5MiB space for packages.
*/
partition@a00000 {
label = "ubi";
reg = <0xa00000 0x7580000>;
};
};
};
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
#include "mt7621.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
/ {
chosen {
bootargs = "console=ttyS0,115200n8";
};
keys {
compatible = "gpio-keys";
reset {
label = "reset";
gpios = <&gpio 18 GPIO_ACTIVE_LOW>;
linux,code = <KEY_RESTART>;
};
};
};
&nand {
status = "okay";
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "Bootloader";
reg = <0x0 0x80000>;
read-only;
};
partition@80000 {
label = "Config";
reg = <0x80000 0x40000>;
};
partition@c0000 {
label = "Bdata";
reg = <0xc0000 0x40000>;
read-only;
};
factory: partition@100000 {
label = "factory";
reg = <0x100000 0x40000>;
read-only;
};
partition@140000 {
label = "crash";
reg = <0x140000 0x40000>;
};
partition@180000 {
label = "crash_syslog";
reg = <0x180000 0x40000>;
};
partition@1c0000 {
label = "reserved0";
reg = <0x1c0000 0x40000>;
read-only;
};
/* We keep stock xiaomi firmware (kernel0) here */
partition@200000 {
label = "kernel_stock";
reg = <0x200000 0x400000>;
};
partition@600000 {
label = "kernel";
reg = <0x600000 0x400000>;
};
partition@a00000 {
label = "ubi";
reg = <0xa00000 0x7580000>;
};
};
};
#include "mt7621_xiaomi_nand_128m.dtsi"
&pcie {
status = "okay";
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment