powerpc: wii: device tree
Add a device tree source file for the Nintendo Wii video game console. Signed-off-by: Albert Herranz <albert_herranz@yahoo.es> Acked-by: Segher Boessenkool <segher@kernel.crashing.org> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Albert Herranz
Grant Likely
parent
86c3d131ce
commit
7a09116c01
|
|
@ -0,0 +1,184 @@
|
|||
|
||||
Nintendo Wii device tree
|
||||
========================
|
||||
|
||||
0) The root node
|
||||
|
||||
This node represents the Nintendo Wii video game console.
|
||||
|
||||
Required properties:
|
||||
|
||||
- model : Should be "nintendo,wii"
|
||||
- compatible : Should be "nintendo,wii"
|
||||
|
||||
1) The "hollywood" node
|
||||
|
||||
This node represents the multi-function "Hollywood" chip, which packages
|
||||
many of the devices found in the Nintendo Wii.
|
||||
|
||||
Required properties:
|
||||
|
||||
- compatible : Should be "nintendo,hollywood"
|
||||
|
||||
1.a) The Video Interface (VI) node
|
||||
|
||||
Represents the interface between the graphics processor and a external
|
||||
video encoder.
|
||||
|
||||
Required properties:
|
||||
|
||||
- compatible : should be "nintendo,hollywood-vi","nintendo,flipper-vi"
|
||||
- reg : should contain the VI registers location and length
|
||||
- interrupts : should contain the VI interrupt
|
||||
|
||||
1.b) The Processor Interface (PI) node
|
||||
|
||||
Represents the data and control interface between the main processor
|
||||
and graphics and audio processor.
|
||||
|
||||
Required properties:
|
||||
|
||||
- compatible : should be "nintendo,hollywood-pi","nintendo,flipper-pi"
|
||||
- reg : should contain the PI registers location and length
|
||||
|
||||
1.b.i) The "Flipper" interrupt controller node
|
||||
|
||||
Represents the "Flipper" interrupt controller within the "Hollywood" chip.
|
||||
The node for the "Flipper" interrupt controller must be placed under
|
||||
the PI node.
|
||||
|
||||
Required properties:
|
||||
|
||||
- #interrupt-cells : <1>
|
||||
- compatible : should be "nintendo,flipper-pic"
|
||||
- interrupt-controller
|
||||
|
||||
1.c) The Digital Signal Procesor (DSP) node
|
||||
|
||||
Represents the digital signal processor interface, designed to offload
|
||||
audio related tasks.
|
||||
|
||||
Required properties:
|
||||
|
||||
- compatible : should be "nintendo,hollywood-dsp","nintendo,flipper-dsp"
|
||||
- reg : should contain the DSP registers location and length
|
||||
- interrupts : should contain the DSP interrupt
|
||||
|
||||
1.d) The Serial Interface (SI) node
|
||||
|
||||
Represents the interface to the four single bit serial interfaces.
|
||||
The SI is a proprietary serial interface used normally to control gamepads.
|
||||
It's NOT a RS232-type interface.
|
||||
|
||||
Required properties:
|
||||
|
||||
- compatible : should be "nintendo,hollywood-si","nintendo,flipper-si"
|
||||
- reg : should contain the SI registers location and length
|
||||
- interrupts : should contain the SI interrupt
|
||||
|
||||
1.e) The Audio Interface (AI) node
|
||||
|
||||
Represents the interface to the external 16-bit stereo digital-to-analog
|
||||
converter.
|
||||
|
||||
Required properties:
|
||||
|
||||
- compatible : should be "nintendo,hollywood-ai","nintendo,flipper-ai"
|
||||
- reg : should contain the AI registers location and length
|
||||
- interrupts : should contain the AI interrupt
|
||||
|
||||
1.f) The External Interface (EXI) node
|
||||
|
||||
Represents the multi-channel SPI-like interface.
|
||||
|
||||
Required properties:
|
||||
|
||||
- compatible : should be "nintendo,hollywood-exi","nintendo,flipper-exi"
|
||||
- reg : should contain the EXI registers location and length
|
||||
- interrupts : should contain the EXI interrupt
|
||||
|
||||
1.g) The Open Host Controller Interface (OHCI) nodes
|
||||
|
||||
Represent the USB 1.x Open Host Controller Interfaces.
|
||||
|
||||
Required properties:
|
||||
|
||||
- compatible : should be "nintendo,hollywood-usb-ohci","usb-ohci"
|
||||
- reg : should contain the OHCI registers location and length
|
||||
- interrupts : should contain the OHCI interrupt
|
||||
|
||||
1.h) The Enhanced Host Controller Interface (EHCI) node
|
||||
|
||||
Represents the USB 2.0 Enhanced Host Controller Interface.
|
||||
|
||||
Required properties:
|
||||
|
||||
- compatible : should be "nintendo,hollywood-usb-ehci","usb-ehci"
|
||||
- reg : should contain the EHCI registers location and length
|
||||
- interrupts : should contain the EHCI interrupt
|
||||
|
||||
1.i) The Secure Digital Host Controller Interface (SDHCI) nodes
|
||||
|
||||
Represent the Secure Digital Host Controller Interfaces.
|
||||
|
||||
Required properties:
|
||||
|
||||
- compatible : should be "nintendo,hollywood-sdhci","sdhci"
|
||||
- reg : should contain the SDHCI registers location and length
|
||||
- interrupts : should contain the SDHCI interrupt
|
||||
|
||||
1.j) The Inter-Processsor Communication (IPC) node
|
||||
|
||||
Represent the Inter-Processor Communication interface. This interface
|
||||
enables communications between the Broadway and the Starlet processors.
|
||||
|
||||
- compatible : should be "nintendo,hollywood-ipc"
|
||||
- reg : should contain the IPC registers location and length
|
||||
- interrupts : should contain the IPC interrupt
|
||||
|
||||
1.k) The "Hollywood" interrupt controller node
|
||||
|
||||
Represents the "Hollywood" interrupt controller within the
|
||||
"Hollywood" chip.
|
||||
|
||||
Required properties:
|
||||
|
||||
- #interrupt-cells : <1>
|
||||
- compatible : should be "nintendo,hollywood-pic"
|
||||
- reg : should contain the controller registers location and length
|
||||
- interrupt-controller
|
||||
- interrupts : should contain the cascade interrupt of the "flipper" pic
|
||||
- interrupt-parent: should contain the phandle of the "flipper" pic
|
||||
|
||||
1.l) The General Purpose I/O (GPIO) controller node
|
||||
|
||||
Represents the dual access 32 GPIO controller interface.
|
||||
|
||||
Required properties:
|
||||
|
||||
- #gpio-cells : <2>
|
||||
- compatible : should be "nintendo,hollywood-gpio"
|
||||
- reg : should contain the IPC registers location and length
|
||||
- gpio-controller
|
||||
|
||||
1.m) The control node
|
||||
|
||||
Represents the control interface used to setup several miscellaneous
|
||||
settings of the "Hollywood" chip like boot memory mappings, resets,
|
||||
disk interface mode, etc.
|
||||
|
||||
Required properties:
|
||||
|
||||
- compatible : should be "nintendo,hollywood-control"
|
||||
- reg : should contain the control registers location and length
|
||||
|
||||
1.n) The Disk Interface (DI) node
|
||||
|
||||
Represents the interface used to communicate with mass storage devices.
|
||||
|
||||
Required properties:
|
||||
|
||||
- compatible : should be "nintendo,hollywood-di"
|
||||
- reg : should contain the DI registers location and length
|
||||
- interrupts : should contain the DI interrupt
|
||||
|
||||
|
|
@ -0,0 +1,218 @@
|
|||
/*
|
||||
* arch/powerpc/boot/dts/wii.dts
|
||||
*
|
||||
* Nintendo Wii platform device tree source
|
||||
* Copyright (C) 2008-2009 The GameCube Linux Team
|
||||
* Copyright (C) 2008,2009 Albert Herranz
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version 2
|
||||
* of the License, or (at your option) any later version.
|
||||
*
|
||||
*/
|
||||
|
||||
/dts-v1/;
|
||||
|
||||
/*
|
||||
* This is commented-out for now.
|
||||
* Until a later patch is merged, the kernel can use only the first
|
||||
* contiguous RAM range and will BUG() if the memreserve is outside
|
||||
* that range.
|
||||
*/
|
||||
/*/memreserve/ 0x10000000 0x0004000;*/ /* DSP RAM */
|
||||
|
||||
/ {
|
||||
model = "nintendo,wii";
|
||||
compatible = "nintendo,wii";
|
||||
#address-cells = <1>;
|
||||
#size-cells = <1>;
|
||||
|
||||
chosen {
|
||||
bootargs = "root=/dev/mmcblk0p2 rootwait udbg-immortal";
|
||||
};
|
||||
|
||||
memory {
|
||||
device_type = "memory";
|
||||
reg = <0x00000000 0x01800000 /* MEM1 24MB 1T-SRAM */
|
||||
0x10000000 0x04000000>; /* MEM2 64MB GDDR3 */
|
||||
};
|
||||
|
||||
cpus {
|
||||
#address-cells = <1>;
|
||||
#size-cells = <0>;
|
||||
|
||||
PowerPC,broadway@0 {
|
||||
device_type = "cpu";
|
||||
reg = <0>;
|
||||
clock-frequency = <729000000>; /* 729MHz */
|
||||
bus-frequency = <243000000>; /* 243MHz core-to-bus 3x */
|
||||
timebase-frequency = <60750000>; /* 243MHz / 4 */
|
||||
i-cache-line-size = <32>;
|
||||
d-cache-line-size = <32>;
|
||||
i-cache-size = <32768>;
|
||||
d-cache-size = <32768>;
|
||||
};
|
||||
};
|
||||
|
||||
/* devices contained in the hollywood chipset */
|
||||
hollywood {
|
||||
#address-cells = <1>;
|
||||
#size-cells = <1>;
|
||||
compatible = "nintendo,hollywood";
|
||||
ranges = <0x0c000000 0x0c000000 0x01000000
|
||||
0x0d000000 0x0d000000 0x00800000
|
||||
0x0d800000 0x0d800000 0x00800000>;
|
||||
interrupt-parent = <&PIC0>;
|
||||
|
||||
video@0c002000 {
|
||||
compatible = "nintendo,hollywood-vi",
|
||||
"nintendo,flipper-vi";
|
||||
reg = <0x0c002000 0x100>;
|
||||
interrupts = <8>;
|
||||
};
|
||||
|
||||
processor-interface@0c003000 {
|
||||
compatible = "nintendo,hollywood-pi",
|
||||
"nintendo,flipper-pi";
|
||||
reg = <0x0c003000 0x100>;
|
||||
|
||||
PIC0: pic0 {
|
||||
#interrupt-cells = <1>;
|
||||
compatible = "nintendo,flipper-pic";
|
||||
interrupt-controller;
|
||||
};
|
||||
};
|
||||
|
||||
dsp@0c005000 {
|
||||
#address-cells = <1>;
|
||||
#size-cells = <1>;
|
||||
compatible = "nintendo,hollywood-dsp",
|
||||
"nintendo,flipper-dsp";
|
||||
reg = <0x0c005000 0x200>;
|
||||
interrupts = <6>;
|
||||
};
|
||||
|
||||
gamepad-controller@0d006400 {
|
||||
compatible = "nintendo,hollywood-si",
|
||||
"nintendo,flipper-si";
|
||||
reg = <0x0d006400 0x100>;
|
||||
interrupts = <3>;
|
||||
};
|
||||
|
||||
audio@0c006c00 {
|
||||
compatible = "nintendo,hollywood-ai",
|
||||
"nintendo,flipper-ai";
|
||||
reg = <0x0d006c00 0x20>;
|
||||
interrupts = <6>;
|
||||
};
|
||||
|
||||
/* External Interface bus */
|
||||
exi@0d006800 {
|
||||
compatible = "nintendo,hollywood-exi",
|
||||
"nintendo,flipper-exi";
|
||||
reg = <0x0d006800 0x40>;
|
||||
virtual-reg = <0x0d006800>;
|
||||
interrupts = <4>;
|
||||
};
|
||||
|
||||
usb@0d040000 {
|
||||
compatible = "nintendo,hollywood-usb-ehci",
|
||||
"usb-ehci";
|
||||
reg = <0x0d040000 0x100>;
|
||||
interrupts = <4>;
|
||||
interrupt-parent = <&PIC1>;
|
||||
};
|
||||
|
||||
usb@0d050000 {
|
||||
compatible = "nintendo,hollywood-usb-ohci",
|
||||
"usb-ohci";
|
||||
reg = <0x0d050000 0x100>;
|
||||
interrupts = <5>;
|
||||
interrupt-parent = <&PIC1>;
|
||||
};
|
||||
|
||||
usb@0d060000 {
|
||||
compatible = "nintendo,hollywood-usb-ohci",
|
||||
"usb-ohci";
|
||||
reg = <0x0d060000 0x100>;
|
||||
interrupts = <6>;
|
||||
interrupt-parent = <&PIC1>;
|
||||
};
|
||||
|
||||
sd@0d070000 {
|
||||
compatible = "nintendo,hollywood-sdhci",
|
||||
"sdhci";
|
||||
reg = <0x0d070000 0x200>;
|
||||
interrupts = <7>;
|
||||
interrupt-parent = <&PIC1>;
|
||||
};
|
||||
|
||||
sdio@0d080000 {
|
||||
compatible = "nintendo,hollywood-sdhci",
|
||||
"sdhci";
|
||||
reg = <0x0d080000 0x200>;
|
||||
interrupts = <8>;
|
||||
interrupt-parent = <&PIC1>;
|
||||
};
|
||||
|
||||
ipc@0d000000 {
|
||||
compatible = "nintendo,hollywood-ipc";
|
||||
reg = <0x0d000000 0x10>;
|
||||
interrupts = <30>;
|
||||
interrupt-parent = <&PIC1>;
|
||||
};
|
||||
|
||||
PIC1: pic1@0d800030 {
|
||||
#interrupt-cells = <1>;
|
||||
compatible = "nintendo,hollywood-pic";
|
||||
reg = <0x0d800030 0x10>;
|
||||
interrupt-controller;
|
||||
interrupts = <14>;
|
||||
};
|
||||
|
||||
GPIO: gpio@0d8000c0 {
|
||||
#gpio-cells = <2>;
|
||||
compatible = "nintendo,hollywood-gpio";
|
||||
reg = <0x0d8000c0 0x40>;
|
||||
gpio-controller;
|
||||
|
||||
/*
|
||||
* This is commented out while a standard binding
|
||||
* for i2c over gpio is defined.
|
||||
*/
|
||||
/*
|
||||
i2c-video {
|
||||
#address-cells = <1>;
|
||||
#size-cells = <0>;
|
||||
compatible = "i2c-gpio";
|
||||
|
||||
gpios = <&GPIO 15 0
|
||||
&GPIO 14 0>;
|
||||
clock-frequency = <250000>;
|
||||
no-clock-stretching;
|
||||
scl-is-open-drain;
|
||||
sda-is-open-drain;
|
||||
sda-enforce-dir;
|
||||
|
||||
AVE: audio-video-encoder@70 {
|
||||
compatible = "nintendo,wii-audio-video-encoder";
|
||||
reg = <0x70>;
|
||||
};
|
||||
};
|
||||
*/
|
||||
};
|
||||
|
||||
control@0d800100 {
|
||||
compatible = "nintendo,hollywood-control";
|
||||
reg = <0x0d800100 0x300>;
|
||||
};
|
||||
|
||||
disk@0d806000 {
|
||||
compatible = "nintendo,hollywood-di";
|
||||
reg = <0x0d806000 0x40>;
|
||||
interrupts = <2>;
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue