linux/arch/arm/boot/dts/alpine.dtsi
Antoine Tenart ffdc394e1b ARM: dts: alpine: add valid clock-frequency values
Update the Alpine clock-frequency values with valid default values. The
bootloader can still update these values if needed, but at least we can
boot if it does not.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
2017-04-03 09:06:55 +02:00

171 lines
4.4 KiB
Plaintext

/*
* Copyright 2015 Annapurna Labs Ltd.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* Alternatively, redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
*/
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include "skeleton64.dtsi"
/ {
/* SOC compatibility */
compatible = "al,alpine";
/* CPU Configuration */
cpus {
#address-cells = <1>;
#size-cells = <0>;
enable-method = "al,alpine-smp";
cpu@0 {
compatible = "arm,cortex-a15";
device_type = "cpu";
reg = <0>;
clock-frequency = <1700000000>;
};
cpu@1 {
compatible = "arm,cortex-a15";
device_type = "cpu";
reg = <1>;
clock-frequency = <1700000000>;
};
cpu@2 {
compatible = "arm,cortex-a15";
device_type = "cpu";
reg = <2>;
clock-frequency = <1700000000>;
};
cpu@3 {
compatible = "arm,cortex-a15";
device_type = "cpu";
reg = <3>;
clock-frequency = <1700000000>;
};
};
soc {
#address-cells = <2>;
#size-cells = <2>;
compatible = "simple-bus";
interrupt-parent = <&gic>;
ranges;
arch-timer {
compatible = "arm,cortex-a15-timer",
"arm,armv7-timer";
interrupts =
<GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
clock-frequency = <50000000>;
};
/* Interrupt Controller */
gic: gic@fb001000 {
compatible = "arm,cortex-a15-gic";
#interrupt-cells = <3>;
#size-cells = <0>;
#address-cells = <0>;
interrupt-controller;
reg = <0x0 0xfb001000 0x0 0x1000>,
<0x0 0xfb002000 0x0 0x2000>,
<0x0 0xfb004000 0x0 0x2000>,
<0x0 0xfb006000 0x0 0x2000>;
interrupts =
<GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
};
/* CPU Resume registers */
cpu-resume@fbff5ec0 {
compatible = "al,alpine-cpu-resume";
reg = <0x0 0xfbff5ec0 0x0 0x30>;
};
/* North Bridge Service Registers */
sysfabric-service@fb070000 {
compatible = "al,alpine-sysfabric-service", "syscon";
reg = <0x0 0xfb070000 0x0 0x10000>;
};
/* Performance Monitor Unit */
pmu {
compatible = "arm,cortex-a15-pmu";
interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
};
uart0: uart@fd883000 {
compatible = "ns16550a";
reg = <0x0 0xfd883000 0x0 0x1000>;
clock-frequency = <375000000>;
interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
reg-io-width = <4>;
};
uart1: uart@fd884000 {
compatible = "ns16550a";
reg = <0x0 0xfd884000 0x0 0x1000>;
clock-frequency = <375000000>;
interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
reg-io-width = <4>;
};
/* Internal PCIe Controller */
pcie@fbc00000 {
compatible = "pci-host-ecam-generic";
device_type = "pci";
#size-cells = <2>;
#address-cells = <3>;
#interrupt-cells = <1>;
reg = <0x0 0xfbc00000 0x0 0x100000>;
interrupt-map-mask = <0xf800 0 0 7>;
/* Add legacy interrupts for SATA devices only */
interrupt-map = <0x4000 0 0 1 &gic 0 43 4>,
<0x4800 0 0 1 &gic 0 44 4>;
/* 32 bit non prefetchable memory space */
ranges = <0x02000000 0x0 0xfe000000 0x0 0xfe000000 0x0 0x1000000>;
bus-range = <0x00 0x00>;
msi-parent = <&msix>;
};
msix: msix@fbe00000 {
compatible = "al,alpine-msix";
reg = <0x0 0xfbe00000 0x0 0x100000>;
interrupt-controller;
msi-controller;
al,msi-base-spi = <96>;
al,msi-num-spis = <64>;
};
};
};