arch/arm/boot/dts/alpine.dtsi

   1 /*
   2  * Copyright 2015 Annapurna Labs Ltd.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms and conditions of the GNU General Public License,
   6  * version 2, as published by the Free Software Foundation.
   7  *
   8  * Alternatively, redistribution and use in source and binary forms, with or
   9  * without modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  *   *   Redistributions of source code must retain the above copyright notice,
  13  *       this list of conditions and the following disclaimer.
  14  *
  15  *   *   Redistributions in binary form must reproduce the above copyright
  16  *       notice, this list of conditions and the following disclaimer in
  17  *       the documentation and/or other materials provided with the
  18  *       distribution.
  19  *
  20  * This program is distributed in the hope it will be useful, but WITHOUT
  21  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  22  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  23  * more details.
  24  *
  25  */
  26
  27 #include <dt-bindings/interrupt-controller/arm-gic.h>
  28
  29 / {
  30         #address-cells = <2>;
  31         #size-cells = <2>;
  32         /* SOC compatibility */
  33         compatible = "al,alpine";
  34
  35         memory {
  36                 device_type = "memory";
  37                 reg = <0 0 0 0>;
  38         };
  39
  40         /* CPU Configuration */
  41         cpus {
  42                 #address-cells = <1>;
  43                 #size-cells = <0>;
  44                 enable-method = "al,alpine-smp";
  45
  46                 cpu@0 {
  47                         compatible = "arm,cortex-a15";
  48                         device_type = "cpu";
  49                         reg = <0>;
  50                         clock-frequency = <1700000000>;
  51                 };
  52
  53                 cpu@1 {
  54                         compatible = "arm,cortex-a15";
  55                         device_type = "cpu";
  56                         reg = <1>;
  57                         clock-frequency = <1700000000>;
  58                 };
  59
  60                 cpu@2 {
  61                         compatible = "arm,cortex-a15";
  62                         device_type = "cpu";
  63                         reg = <2>;
  64                         clock-frequency = <1700000000>;
  65                 };
  66
  67                 cpu@3 {
  68                         compatible = "arm,cortex-a15";
  69                         device_type = "cpu";
  70                         reg = <3>;
  71                         clock-frequency = <1700000000>;
  72                 };
  73         };
  74
  75         soc {
  76                 #address-cells = <2>;
  77                 #size-cells = <2>;
  78                 compatible = "simple-bus";
  79                 interrupt-parent = <&gic>;
  80                 ranges;
  81
  82                 arch-timer {
  83                         compatible = "arm,cortex-a15-timer",
  84                                      "arm,armv7-timer";
  85                         interrupts =
  86                                 <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
  87                                 <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
  88                                 <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
  89                                 <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
  90                         clock-frequency = <50000000>;
  91                 };
  92
  93                 /* Interrupt Controller */
  94                 gic: gic@fb001000 {
  95                         compatible = "arm,cortex-a15-gic";
  96                         #interrupt-cells = <3>;
  97                         #size-cells = <0>;
  98                         #address-cells = <0>;
  99                         interrupt-controller;
 100                         reg = <0x0 0xfb001000 0x0 0x1000>,
 101                               <0x0 0xfb002000 0x0 0x2000>,
 102                               <0x0 0xfb004000 0x0 0x2000>,
 103                               <0x0 0xfb006000 0x0 0x2000>;
 104                         interrupts =
 105                                 <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
 106                 };
 107
 108                 /* CPU Resume registers */
 109                 cpu-resume@fbff5ec0 {
 110                         compatible = "al,alpine-cpu-resume";
 111                         reg = <0x0 0xfbff5ec0 0x0 0x30>;
 112                 };
 113
 114                 /* North Bridge Service Registers */
 115                 sysfabric-service@fb070000 {
 116                         compatible = "al,alpine-sysfabric-service", "syscon";
 117                         reg = <0x0 0xfb070000 0x0 0x10000>;
 118                 };
 119
 120                 /* Performance Monitor Unit */
 121                 pmu {
 122                         compatible = "arm,cortex-a15-pmu";
 123                         interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>,
 124                                      <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>,
 125                                      <GIC_SPI 70 IRQ_TYPE_LEVEL_HIGH>,
 126                                      <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
 127                 };
 128
 129                 uart0: uart@fd883000 {
 130                         compatible = "ns16550a";
 131                         reg = <0x0 0xfd883000 0x0 0x1000>;
 132                         clock-frequency = <375000000>;
 133                         interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
 134                         reg-shift = <2>;
 135                         reg-io-width = <4>;
 136                 };
 137
 138                 uart1: uart@fd884000 {
 139                         compatible = "ns16550a";
 140                         reg = <0x0 0xfd884000 0x0 0x1000>;
 141                         clock-frequency = <375000000>;
 142                         interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
 143                         reg-shift = <2>;
 144                         reg-io-width = <4>;
 145                 };
 146
 147                 /* Internal PCIe Controller */
 148                 pcie@fbc00000 {
 149                         compatible = "pci-host-ecam-generic";
 150                         device_type = "pci";
 151                         #size-cells = <2>;
 152                         #address-cells = <3>;
 153                         #interrupt-cells = <1>;
 154                         reg = <0x0 0xfbc00000 0x0 0x100000>;
 155                         interrupt-map-mask = <0xf800 0 0 7>;
 156                         /* Add legacy interrupts for SATA devices only */
 157                         interrupt-map = <0x4000 0 0 1 &gic 0 43 4>,
 158                                         <0x4800 0 0 1 &gic 0 44 4>;
 159
 160                         /* 32 bit non prefetchable memory space */
 161                         ranges = <0x02000000 0x0 0xfe000000 0x0 0xfe000000 0x0 0x1000000>;
 162
 163                         bus-range = <0x00 0x00>;
 164                         msi-parent = <&msix>;
 165                 };
 166
 167                 msix: msix@fbe00000 {
 168                         compatible = "al,alpine-msix";
 169                         reg = <0x0 0xfbe00000 0x0 0x100000>;
 170                         interrupt-controller;
 171                         msi-controller;
 172                         al,msi-base-spi = <96>;
 173                         al,msi-num-spis = <64>;
 174                 };
 175         };
 176 };