Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dts/arm/annapurna-alpine.dts
Version:
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1 /*- 2 * Copyright (c) 2013 Ruslan Bukin <br@bsdpad.com> 3 * Copyright (c) 2015 Semihalf 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: releng/12.0/sys/dts/arm/annapurna-alpine.dts 325826 2017-11-14 21:03:57Z imp $ 28 */ 29 30 /dts-v1/; 31 32 / { 33 model = "annapurna,alpine"; 34 #address-cells = <1>; 35 #size-cells = <1>; 36 37 aliases { 38 serial0 = &serial0; 39 }; 40 41 cpus { 42 #address-cells = <1>; 43 #size-cells = <0>; 44 45 cpu@0 { 46 device_type = "cpu"; 47 compatible = "arm,cortex-a15"; 48 reg = <0x0>; 49 d-cache-line-size = <64>; // 64 bytes 50 i-cache-line-size = <64>; // 64 bytes 51 d-cache-size = <0x8000>; // L1, 32K 52 i-cache-size = <0x8000>; // L1, 32K 53 timebase-frequency = <0>; 54 bus-frequency = <375000000>; 55 clock-frequency = <0>; 56 }; 57 58 cpu@1 { 59 device_type = "cpu"; 60 compatible = "arm,cortex-a15"; 61 reg = <0x0>; 62 d-cache-line-size = <64>; // 64 bytes 63 i-cache-line-size = <64>; // 64 bytes 64 d-cache-size = <0x8000>; // L1, 32K 65 i-cache-size = <0x8000>; // L1, 32K 66 timebase-frequency = <0>; 67 bus-frequency = <375000000>; 68 clock-frequency = <0>; 69 }; 70 71 cpu@2 { 72 device_type = "cpu"; 73 compatible = "arm,cortex-a15"; 74 reg = <0x0>; 75 d-cache-line-size = <64>; // 64 bytes 76 i-cache-line-size = <64>; // 64 bytes 77 d-cache-size = <0x8000>; // L1, 32K 78 i-cache-size = <0x8000>; // L1, 32K 79 timebase-frequency = <0>; 80 bus-frequency = <375000000>; 81 clock-frequency = <0>; 82 }; 83 84 cpu@3 { 85 device_type = "cpu"; 86 compatible = "arm,cortex-a15"; 87 reg = <0x0>; 88 d-cache-line-size = <64>; // 64 bytes 89 i-cache-line-size = <64>; // 64 bytes 90 d-cache-size = <0x8000>; // L1, 32K 91 i-cache-size = <0x8000>; // L1, 32K 92 timebase-frequency = <0>; 93 bus-frequency = <375000000>; 94 clock-frequency = <0>; 95 }; 96 }; 97 98 memory { 99 device_type = "memory"; 100 reg = <0x00100000 0x7ff00000>; // 2047MB at 1MB 101 }; 102 103 soc { 104 #address-cells = <1>; 105 #size-cells = <1>; 106 compatible = "simple-bus"; 107 ranges = <0x0 0xfb000000 0x03000000>; 108 bus-frequency = <0>; 109 110 MPIC: interrupt-controller { 111 compatible = "arm,gic"; 112 reg = < 0x1000 0x1000 >, /* Distributor Registers */ 113 < 0x2000 0x2000 >; /* CPU Interface Registers */ 114 interrupt-controller; 115 #address-cells = <0>; 116 #interrupt-cells = <3>; 117 118 // In intr[2], bits[3:0] are trigger type and level flags. 119 // 1 = low-to-high edge triggered 120 // 2 = high-to-low edge triggered 121 // 4 = active high level-sensitive 122 // 8 = active low level-sensitive 123 // The hardware only supports active-high-level or rising-edge. 124 125 }; 126 127 generic_timer { 128 compatible = "arm,sp804"; 129 reg = <0x02890000 0x1000>; 130 interrupts = <0 9 4>; 131 interrupt-parent = <&MPIC>; 132 clock-frequency = <375000000>; 133 }; 134 135 cpu_resume { 136 compatible = "annapurna-labs,al-cpu-resume"; 137 reg = <0x00ff5ec0 0x30>; 138 }; 139 140 ccu { 141 compatible = "annapurna-labs,al-ccu"; 142 reg = <0x00090000 0x10000>; 143 io_coherency = <1>; 144 }; 145 146 nb_service { 147 compatible = "annapurna-labs,al-nb-service"; 148 reg = <0x00070000 0x10000>; 149 interrupts = <0 32 4>, 150 <0 33 4>, 151 <0 34 4>, 152 <0 35 4>; 153 interrupt-parent = <&MPIC>; 154 }; 155 156 wdt0 { 157 compatible = "arm,sp805", "arm,primecell"; 158 reg = <0x288c000 0x1000>; 159 interrupt-parent = <&MPIC>; 160 }; 161 162 /* SerDes */ 163 serdes { 164 compatible = "annapurna-labs,al-serdes"; 165 reg = <0x28c0000 0x1000>; 166 }; 167 168 serial0: serial@2883000 { 169 compatible = "ns16550"; 170 reg = <0x2883000 0x20>; 171 reg-shift = <2>; 172 current-speed = <115200>; 173 clock-frequency = <375000000>; 174 interrupts = <0 17 4>; 175 interrupt-parent = <&MPIC>; 176 }; 177 }; 178 179 /* MSIX Configuration */ 180 msix: msix { 181 compatible = "annapurna-labs,al-msix"; 182 #address-cells = <2>; 183 #size-cells = <1>; 184 reg = <0xfbe00000 0x100000>; 185 interrupts = <0 96 1 0 159 1>; 186 interrupt-parent = <&MPIC>; 187 }; 188 189 pcie-internal { 190 compatible = "annapurna-labs,al-internal-pcie"; 191 device_type = "pci"; 192 #size-cells = <2>; 193 #address-cells = <3>; 194 reg = <0xfbc00000 0x100000>; 195 interrupt-parent = <&MPIC>; 196 interrupt-map-mask = <0xf800 0 0 7>; 197 interrupt-map = <0x3000 0 0 1 &MPIC 0 32 4>, // USB adapter 198 <0x3800 0 0 1 &MPIC 0 36 4>, 199 <0x4000 0 0 1 &MPIC 0 43 4>, // SATA 0 (PCIe expander) 200 <0x4800 0 0 1 &MPIC 0 44 1>; // SATA 1 (onboard) 201 msi-parent = <&msix>; 202 203 // ranges: 204 // - ECAM - non prefetchable config space 205 // - 32 bit non prefetchable memory space 206 ranges = <0x00000000 0x0 0xfbc00000 0xfbc00000 0x0 0x100000 207 0x02000000 0x0 0xfe000000 0xfe000000 0x0 0x1000000>; 208 209 bus-range = <0x00 0x00>; 210 }; 211 212 // WORKAROUND: enabling PCIe controller when no card is plugged in 213 // leads to kernel panic because u-boot disables PCIe controller if no link 214 // is detected. Just be kind and compatible with Linux 215 /* // External PCIe Controller 0 216 pcie-external0 { 217 compatible = "annapurna-labs,al-external-pcie"; 218 reg = <0xfd800000 0x00020000>; 219 device_type = "pci"; 220 #size-cells = <2>; 221 #address-cells = <3>; 222 interrupt-parent = <&MPIC>; 223 interrupt-map-mask = <0x00 0 0 7>; 224 interrupt-map = <0x0000 0 0 1 &MPIC 0 40 4>; 225 226 // ranges: 227 // Controller 0: 228 // - ECAM - non prefetchable config space: 2MB 229 // - IO - IO port space 64KB, reserve 64KB from target memory windows 230 // real IO address on the pci bus starts at 0x10000 231 // - 32 bit non prefetchable memory space: 128MB - 64KB 232 233 ranges = <0x00000000 0x0 0xfb600000 0xfb600000 0x0 0x00200000 234 0x01000000 0x0 0x00010000 0xe0000000 0x0 0x00010000 235 0x02000000 0x0 0xe1000000 0xe1000000 0x0 0x06f00000>; 236 237 bus-range = <0x00 0xff>; 238 }; 239 240 // External PCIe Controllers 1 241 pcie-external1 { 242 compatible = "annapurna-labs,al-external-pcie"; 243 reg = <0xfd820000 0x00020000>; 244 device_type = "pci"; 245 #size-cells = <2>; 246 #address-cells = <3>; 247 interrupt-parent = <&MPIC>; 248 interrupt-map-mask = <0x0 0 0 7>; 249 interrupt-map = <0x0000 0 0 1 &MPIC 0 41 4>; 250 251 // ranges: 252 // - ECAM - non prefetchable config space: 2MB 253 // - IO - IO port space 64KB, reserve 64KB from target memory windows 254 // real IO address on the pci bus starts at 0x20000 255 // - 32 bit non prefetchable memory space: 64MB - 64KB 256 ranges = <0x00000000 0x0 0xfb800000 0xfb800000 0x0 0x00200000 257 0x01000000 0x0 0x00020000 0xe8000000 0x0 0x00010000 258 0x02000000 0x0 0xe8100000 0xe8100000 0x0 0x02ff0000>; 259 260 bus-range = <0x00 0xff>; 261 }; */ 262 263 chosen { 264 stdin = "serial0"; 265 stdout = "serial0"; 266 stddbg = "serial0"; 267 }; 268 };
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