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Message-ID: <CAL_Jsq+ej_vZHRfjNk61ogEstsqwJXx8bkRJa4vhnQss1bzYSA@mail.gmail.com>
Date: Wed, 2 Mar 2022 07:36:33 -0600
From: Rob Herring <robh+dt@...nel.org>
To: Ash Logan <ash@...quark.com>
Cc: Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>,
Christophe Leroy <christophe.leroy@...roup.eu>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
Jonathan Neuschäfer <j.ne@...teo.net>,
Roberto Van Eeden <rw-r-r-0644@...tonmail.com>,
Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
Subject: Re: [PATCH 02/12] powerpc: wiiu: device tree
On Tue, Mar 1, 2022 at 10:44 PM Ash Logan <ash@...quark.com> wrote:
>
> Add a device tree source file for the Nintendo Wii U video game console.
Test this with 'make W=1 dtbs_checks'.
>
> Signed-off-by: Ash Logan <ash@...quark.com>
> Co-developed-by: Roberto Van Eeden <rw-r-r-0644@...tonmail.com>
> Signed-off-by: Roberto Van Eeden <rw-r-r-0644@...tonmail.com>
> Co-developed-by: Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
> Signed-off-by: Emmanuel Gil Peyrot <linkmauve@...kmauve.fr>
> ---
> arch/powerpc/boot/dts/wiiu.dts | 327 +++++++++++++++++++++++++++++++++
> 1 file changed, 327 insertions(+)
> create mode 100644 arch/powerpc/boot/dts/wiiu.dts
>
> diff --git a/arch/powerpc/boot/dts/wiiu.dts b/arch/powerpc/boot/dts/wiiu.dts
> new file mode 100644
> index 000000000000..aaf264963f61
> --- /dev/null
> +++ b/arch/powerpc/boot/dts/wiiu.dts
> @@ -0,0 +1,327 @@
> +// SPDX-License-Identifier: GPL-2.0
What about non-GPL environments?
> +/*
> + * Nintendo Wii U Device Tree Source
> + *
> + * Copyright (C) 2022 The linux-wiiu Team
> + */
> +
> +/dts-v1/;
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +
> +/ {
> + model = "nintendo,wiiu";
> + compatible = "nintendo,wiiu";
> +
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + chosen {
> + bootargs = "root=/dev/sda1 rootwait";
> + };
> +
> + memory {
> + device_type = "memory";
> + reg = <0x00000000 0x02000000 /* MEM1 - 32MiB */
> + 0x08000000 0x00300000 /* MEM0 - 3MiB */
> + 0x10000000 0x80000000>; /* MEM2 - 2GiB */
> + };
> +
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + /* TODO: Add SMP */
> + PowerPC,espresso@0 {
> + device_type = "cpu";
> + reg = <0>;
> + clock-frequency = <1243125000>; /* 1.243125GHz */
> + bus-frequency = <248625000>; /* 248.625MHz core-to-bus 5x */
> + timebase-frequency = <62156250>; /* 1/4 of the bus clock */
> + i-cache-size = <32768>; /* 32K icache */
> + i-cache-line-size = <32>;
> + i-cache-block-size = <32>;
> + i-cache-sets = <128>;
> + d-cache-size = <32768>; /* 32K dcache */
> + d-cache-line-size = <32>;
> + d-cache-block-size = <32>;
> + d-cache-sets = <128>;
> + next-level-cache = <&L2_0>;
> + L2_0:l2-cache {
> + compatible = "cache";
> + cache-level = <2>;
> + cache-unified;
> + cache-size = <0x80000>; /* 512KB L2 */
> + cache-line-size = <64>;
> + cache-block-size = <32>;
> + cache-sets = <2048>;
> + };
> + };
> + };
> +
> + latte {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "nintendo,latte";
> + ranges = <0x0c000000 0x0c000000 0x00400000 /* Espresso-only registers */
> + 0x0d000000 0x0d000000 0x00200000 /* Latte AHB deivces */
> + 0x0d800000 0x0d800000 0x00800000>; /* Latte SoC registers */
> +
> + gpu7@...0000 {
gpu@...
> + compatible = "nintendo,latte-gpu7";
> + reg = <0x0c200000 0x80000>;
> + interrupts = <2>;
> + interrupt-parent = <&espresso_pic>;
> + };
> +
> + espresso_pic: pic@...0078 {
> + #interrupt-cells = <1>;
> + interrupt-controller;
> +
> + compatible = "nintendo,espresso-pic";
> + reg = <0x0c000078 0x18>;
> + };
> +
> + latte_dsp: dsp@...5000 {
> + compatible = "nintendo,latte-dsp";
> + reg = <0x0c005000 0x200>;
> + };
> +
> + ehci_0: usb@...0000 {
> + compatible = "nintendo,latte-usb-ehci", "usb-ehci";
> + reg = <0x0d040000 0x100>;
> + interrupts = <4>;
> + interrupt-parent = <&latte_pic>;
> + big-endian-regs;
> + };
> +
> + ohci_0_0: usb@...0000 {
> + compatible = "nintendo,latte-usb-ohci";
> + reg = <0x0d050000 0x100>;
> + interrupts = <5>;
> + interrupt-parent = <&latte_pic>;
> +
> + big-endian-regs;
> + };
> +
> + ohci_0_1: usb@...0000 {
> + compatible = "nintendo,latte-usb-ohci";
> + reg = <0x0d060000 0x100>;
> + interrupts = <6>;
> + interrupt-parent = <&latte_pic>;
> +
> + big-endian-regs;
> + };
> +
> + ehci_1: usb@...0000 {
> + compatible = "nintendo,latte-usb-ehci", "usb-ehci";
> + reg = <0x0d120000 0x100>;
> + interrupts = <16>;
> + interrupt-parent = <&latte_pic>;
> + big-endian-regs;
> + };
> +
> + ohci_1_0: usb@...0000 {
> + compatible = "nintendo,latte-usb-ohci";
> + reg = <0x0d130000 0x100>;
> + interrupts = <35>;
> + interrupt-parent = <&latte_pic>;
> +
> + big-endian-regs;
> + };
> +
> + ehci_2: usb@...0000 {
> + compatible = "nintendo,latte-usb-ehci", "usb-ehci";
> + reg = <0x0d140000 0x100>;
> + interrupts = <36>;
> + interrupt-parent = <&latte_pic>;
> + big-endian-regs;
> + };
> +
> + ohci_2_0: usb@...0000 {
> + compatible = "nintendo,latte-usb-ohci";
> + reg = <0x0d150000 0x100>;
> + interrupts = <37>;
> + interrupt-parent = <&latte_pic>;
> +
> + big-endian-regs;
> + };
> +
> + sdcard_0: sdhci@...0000 {
> + compatible = "nintendo,latte-sdhci","sdhci";
> + reg = <0x0d070000 0x200>;
> + interrupts = <7>;
> + interrupt-parent = <&latte_pic>;
> + };
> +
> + wifi_0: sdhci@...0000 {
> + compatible = "nintendo,latte-sdhci","sdhci";
> + reg = <0x0d080000 0x200>;
> + interrupts = <8>;
> + interrupt-parent = <&latte_pic>;
> + };
> +
> + legacy_ipc: ipc@...0000 {
> + compatible = "nintendo,latte-ipc","nintendo,hollywood-ipc";
space between compatibles needed.
> + reg = <0x0d800000 0x10>;
> + interrupts = <30 31>;
> + interrupt-parent = <&latte_pic>;
> + };
> +
> + latte_otp: otp@...01ec {
> + compatible = "nintendo,latte-otp";
> + reg = <0x0d8001ec 0x8>;
> + };
> +
> + sata: ahci@...0400 {
> + compatible = "nintendo,latte-ahci";
> + reg = <0x0d160400 0x808>;
> +
> + interrupt-parent = <&latte_pic>;
> + interrupts = <38 28>;
> + };
> +
> + latte_pic: pic@...0440 {
> + #interrupt-cells = <1>;
> + interrupt-controller;
> +
> + compatible = "nintendo,latte-pic";
> + reg = <0x0d800440 0x30>;
> + interrupt-parent = <&espresso_pic>;
> + interrupts = <24>;
> + };
> +
> + gpio: gpio@...00c0 {
> + #gpio-cells = <2>;
> + compatible = "nintendo,latte-gpio", "nintendo,hollywood-gpio";
> +
> + reg = <0x0d8000c0 0x40>;
> + gpio-controller;
> + /* TODO: There are actually 31 AHBALL GPIOs */
> + ngpios = <24>;
> +
> + gpio-line-names =
> + "POWER", "DWIFI", "FAN", "DC_DC",
> + "", "Esp10WorkAround", "", "",
> + "PADPD", "", "EEP_CS", "EEP_CLK",
> + "EEP_MOSI", "EEP_MISO", "AVE_SCL", "AVE_SDA",
> + "DEBUG0", "DEBUG1", "DEBUG2", "DEBUG3",
> + "DEBUG4", "DEBUG5", "DEBUG6", "DEBUG7";
> +
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + interrupts = <10>;
> + interrupt-parent = <&latte_pic>;
> + };
> +
> + spi_gpio: spi-gpio {
Move this to root level. It's not on the 'latte' bus.
> + compatible = "spi-gpio";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "okay";
Not needed, that's the default.
> +
> + cs-gpios = <&gpio 10 GPIO_ACTIVE_HIGH>;
> + gpio-sck = <&gpio 11 GPIO_ACTIVE_HIGH>;
> + gpio-mosi = <&gpio 12 GPIO_ACTIVE_HIGH>;
> + gpio-miso = <&gpio 13 GPIO_ACTIVE_HIGH>;
> + num-chipselects = <1>;
> +
> + seeprom@0 {
eeprom@0
> + compatible = "atmel,at93c66";
> + reg = <0>;
> + spi-max-frequency = <1000000>;
> + spi-cs-high;
> + /* TODO: wiiubrew says this is 16-bit, but I only get the correct
> + * values in 8-bit...
> + */
> + data-size = <8>;
> + read-only;
> +
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + /* https://wiiubrew.org/wiki/Hardware/SEEPROM */
> + rng_seed: rng@12 { reg = <0x012 8>; };
> + ppc_pvr: pvr@20 { reg = <0x020 4>; };
> + seeprom_ver_str: sver-str@24 { reg = <0x024 6>; };
> + seeprom_ver: sver@2a { reg = <0x02A 2>; };
> + otp_ver: over@2c { reg = <0x02C 2>; };
> + otp_rev: orev@2e { reg = <0x02E 2>; };
> + otp_ver_str: over-str@30 { reg = <0x030 8>; };
> +
> + bc_crc: bc-crc@38 { reg = <0x038 4>; };
> + bc_sz: bc-sz@3c { reg = <0x03C 2>; };
> + bc_ver: bc-ver@3e { reg = <0x03E 2>; };
> + bc_boardtype: boardtype@42 { reg = <0x042 2>; };
> + bc_boardrev: boardrev@44 { reg = <0x044 2>; };
> + bc_bootsource: bootsource@46 { reg = <0x046 2>; };
> + bc_ddr3size: ddr3size@48 { reg = <0x048 2>; };
> + bc_ddr3speed: ddr3speed@4a { reg = <0x04A 2>; };
> + bc_ppcclockmul: ppcclockmul@4c { reg = <0x04C 2>; };
> + bc_iopclockmul: iopclockmul@46 { reg = <0x04E 2>; };
> + bc_video1080p: video1080p@50 { reg = <0x050 2>; };
> + bc_ddr3vendor: ddr3vendor@52 { reg = <0x052 2>; };
> + bc_movpassivereset: movpassivereset@54 { reg = <0x054 2>; };
> + bc_syspllspd: syspllspd@56 { reg = <0x056 2>; };
> + bc_satadevice: satadevice@58 { reg = <0x058 2>; };
> + bc_consoletype: consoletype@5a { reg = <0x05A 2>; };
> + bc_deviceprescence: deviceprescence@5c { reg = <0x05C 2>; };
> +
> + drive_key: drvkey@80 { reg = <0x080 16>; };
> + factory_key: fackey@90 { reg = <0x090 16>; };
> + shdd_key: shddkey@a0 { reg = <0x0A0 16>; };
> + usb_key_seed: usbkeyseed@b0 { reg = <0x0B0 16>; };
> + drive_key_flag: drvkeyf@c0 { reg = <0x0C0 2>; };
> + usb_key_flag: udbkeyf@c2 { reg = <0x0C2 2>; };
> + shdd_key_flag: shddkeyf@c4 { reg = <0x0C4 2>; };
> +
> + sysprod_version: sp_ver@140 { reg = <0x140 4>; };
> + sysprod_eeprom_version: sp_ee_ver@144 { reg = <0x144 4>; };
> + sysprod_product_area: sp_parea@148 { reg = <0x148 4>; };
> + sysprod_game_region: sp_region@14c { reg = <0x14C 4>; };
> + sysprod_ntsc_pal: sp_ntscpal@150 { reg = <0x150 4>; };
> + sysprod_5ghz_country: sp_5ghz_c@154 { reg = <0x154 2>; };
> + sysprod_5ghz_country_rev: sp_5ghz_crev@156 { reg = <0x156 2>; };
> + sysprod_code: sp_code@158 { reg = <0x158 8>; };
> + sysprod_serial: sp_serial@160 { reg = <0x160 16>; };
> + sysprod_model: sp_model@170 { reg = <0x170 16>; };
> +
> + prod_year: pyear@188 { reg = <0x188 2>; };
> + prod_date: pdate@18a { reg = <0x18A 2>; };
> + prod_time: ptime@18c { reg = <0x18C 2>; };
> +
> + boot_params: boot_params@1c0 { reg = <0x1C0 48>; };
> + };
> + };
> +
> + /* TODO make this gpio-keyed once hollywood-gpio supports interrupts */
> + gpio-keys-polled {
This too.
> + poll-interval = <50>;
> + compatible = "gpio-keys-polled";
> +
> + power {
> + label = "Power Button";
> + gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
> + linux,code = <KEY_POWER>;
> + };
> + };
> +
> + gpio2: gpio2@...00c0 {
gpio@...0520
> + #gpio-cells = <2>;
> + compatible = "nintendo,latte-gpio", "nintendo,hollywood-gpio";
> +
> + reg = <0x0d800520 0x40>;
> + gpio-controller;
> + ngpios = <7>;
> +
> + gpio-line-names =
> + "FANSPEED", "SMC_SCL", "SMC_SDA", "DC_DC2",
> + "AVE_INT", "", "AVE_RESET";
> +
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + interrupts = <10>;
> + interrupt-parent = <&latte_pic>;
> + };
> + };
> +};
> --
> 2.35.1
>
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