is only On Mon, Jan 10, 2022 at 7:49 PM nicholas_zheng@outlook.com wrote:
From: weichangzheng nicholas_zheng@outlook.com
This adds platform code and the device tree for the Phytium Pomelo Board. The initial support comprises the UART and the PCIE.
Signed-off-by: weichangzheng nicholas_zheng@outlook.com Changes since v1: updated to DT Changes since v2: Modify some explicit types and macro Changes since v3: Modify some SDRAM related macro definitions and distro_bootcmd Changes since v4: Modify distro_bootcmd Changes since v5: Modify the CPU node description of the DT Changes since v6: Modify DT Changes since v7: Modify DT
diff --git a/arch/arm/dts/phytium-pomelo.dts b/arch/arm/dts/phytium-pomelo.dts new file mode 100644 index 0000000000..77e3e9e21f --- /dev/null +++ b/arch/arm/dts/phytium-pomelo.dts @@ -0,0 +1,111 @@ +// SPDX-License-Identifier: GPL-2.0+
Dual license? Don't care about supporting *BSD or other non-GPL env?
+/*
- dts file for Phytium Pomelo board
- Copyright (C) 2021, Phytium Ltd.
- lixinde lixinde@phytium.com.cn
- weichangzheng weichangzheng@phytium.com.cn
- */
+/dts-v1/;
+/ {
model = "Phytium Pomelo Board";compatible = "phytium,d2000-pomelo", "phytium,d2000";#address-cells = <2>;#size-cells = <2>;aliases {serial0 = &uart0;};cpus {#address-cells = <0x2>;#size-cells = <0x0>;cpu0: cpu@0 {device_type = "cpu";compatible = "phytium,ftc663", "arm,armv8";
I think I said this already, but "arm,armv8" is only valid for software models (e.g. FVP, QEMU). "phytium,ftc663" needs to be documented in:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Docu...
reg = <0x0 0x0>;enable-method = "psci";};cpu1: cpu@1 {device_type = "cpu";compatible = "phytium,ftc663", "arm,armv8";reg = <0x0 0x1>;enable-method = "psci";};cpu2: cpu@100 {device_type = "cpu";compatible = "phytium,ftc663", "arm,armv8";reg = <0x0 0x100>;enable-method = "psci";};cpu3: cpu@101 {device_type = "cpu";compatible = "phytium,ftc663", "arm,armv8";reg = <0x0 0x101>;enable-method = "psci";};cpu4: cpu@200 {device_type = "cpu";compatible = "phytium,ftc663", "arm,armv8";reg = <0x0 0x200>;enable-method = "psci";};cpu5: cpu@201 {device_type = "cpu";compatible = "phytium,ftc663", "arm,armv8";reg = <0x0 0x201>;enable-method = "psci";};cpu6: cpu@300 {device_type = "cpu";compatible = "phytium,ftc663", "arm,armv8";reg = <0x0 0x300>;enable-method = "psci";};cpu7: cpu@301 {device_type = "cpu";compatible = "phytium,ftc663", "arm,armv8";reg = <0x0 0x301>;enable-method = "psci";};};sysclk_48mhz: clk48mhz {compatible = "fixed-clock";#clock-cells = <0x0>;clock-frequency = <48000000>;clock-output-names = "sysclk_48mhz";};soc {compatible = "simple-bus";#address-cells = <2>;#size-cells = <2>;ranges;uart0: serial@28001000 {compatible = "arm,pl011", "arm,primecell";reg = <0x0 0x28001000 0x0 0x1000>;clocks = <&sysclk_48mhz>;};pcie@40000000 {compatible = "pci-host-ecam-generic";device_type = "pci";#address-cells = <3>;#size-cells = <2>;reg = <0x0 0x40000000 0x0 0x10000000>;ranges = <0x01000000 0x00 0x00000000 0x0 0x50000000 0x0 0x00F00000>,<0x02000000 0x00 0x58000000 0x0 0x58000000 0x0 0x28000000>,<0x43000000 0x10 0x00000000 0x10 0x00000000 0x10 0x00000000>;};};+};