1/* 2 * Device Tree Source for IBM Embedded PPC 476 Platform 3 * 4 * Copyright © 2011 Tony Breeds IBM Corporation 5 * 6 * This file is licensed under the terms of the GNU General Public 7 * License version 2. This program is licensed "as is" without 8 * any warranty of any kind, whether express or implied. 9 */ 10 11/dts-v1/; 12 13/memreserve/ 0x01f00000 0x00100000; // spin table 14 15/ { 16 #address-cells = <2>; 17 #size-cells = <2>; 18 model = "ibm,currituck"; 19 compatible = "ibm,currituck"; 20 dcr-parent = <&{/cpus/cpu@0}>; 21 22 aliases { 23 serial0 = &UART0; 24 }; 25 26 cpus { 27 #address-cells = <1>; 28 #size-cells = <0>; 29 30 cpu@0 { 31 device_type = "cpu"; 32 model = "PowerPC,476"; 33 reg = <0>; 34 clock-frequency = <1600000000>; // 1.6 GHz 35 timebase-frequency = <100000000>; // 100Mhz 36 i-cache-line-size = <32>; 37 d-cache-line-size = <32>; 38 i-cache-size = <32768>; 39 d-cache-size = <32768>; 40 dcr-controller; 41 dcr-access-method = "native"; 42 status = "okay"; 43 }; 44 cpu@1 { 45 device_type = "cpu"; 46 model = "PowerPC,476"; 47 reg = <1>; 48 clock-frequency = <1600000000>; // 1.6 GHz 49 timebase-frequency = <100000000>; // 100Mhz 50 i-cache-line-size = <32>; 51 d-cache-line-size = <32>; 52 i-cache-size = <32768>; 53 d-cache-size = <32768>; 54 dcr-controller; 55 dcr-access-method = "native"; 56 status = "disabled"; 57 enable-method = "spin-table"; 58 cpu-release-addr = <0x0 0x01f00000>; 59 }; 60 }; 61 62 memory { 63 device_type = "memory"; 64 reg = <0x0 0x0 0x0 0x0>; // filled in by zImage 65 }; 66 67 MPIC: interrupt-controller { 68 compatible = "chrp,open-pic"; 69 interrupt-controller; 70 dcr-reg = <0xffc00000 0x00040000>; 71 #address-cells = <0>; 72 #size-cells = <0>; 73 #interrupt-cells = <2>; 74 75 }; 76 77 plb { 78 compatible = "ibm,plb6"; 79 #address-cells = <2>; 80 #size-cells = <2>; 81 ranges; 82 clock-frequency = <200000000>; // 200Mhz 83 84 POB0: opb { 85 compatible = "ibm,opb-4xx", "ibm,opb"; 86 #address-cells = <1>; 87 #size-cells = <1>; 88 /* Wish there was a nicer way of specifying a full 89 * 32-bit range 90 */ 91 ranges = <0x00000000 0x00000200 0x00000000 0x80000000 92 0x80000000 0x00000200 0x80000000 0x80000000>; 93 clock-frequency = <100000000>; 94 95 UART0: serial@10000000 { 96 device_type = "serial"; 97 compatible = "ns16750", "ns16550"; 98 reg = <0x10000000 0x00000008>; 99 virtual-reg = <0xe1000000>; 100 clock-frequency = <1851851>; // PCIe refclk/MCGC0_CTL[UART] 101 current-speed = <115200>; 102 interrupt-parent = <&MPIC>; 103 interrupts = <34 2>; 104 }; 105 106 FPGA0: fpga@50000000 { 107 compatible = "ibm,currituck-fpga"; 108 reg = <0x50000000 0x4>; 109 }; 110 111 IIC0: i2c@0 { 112 compatible = "ibm,iic-currituck", "ibm,iic"; 113 reg = <0x0 0x00000014>; 114 interrupt-parent = <&MPIC>; 115 interrupts = <79 2>; 116 #address-cells = <1>; 117 #size-cells = <0>; 118 rtc@68 { 119 compatible = "st,m41t80", "m41st85"; 120 reg = <0x68>; 121 }; 122 }; 123 }; 124 125 PCIE0: pciex@10100000000 { // 4xGBIF1 126 device_type = "pci"; 127 #interrupt-cells = <1>; 128 #size-cells = <2>; 129 #address-cells = <3>; 130 compatible = "ibm,plb-pciex-476fpe", "ibm,plb-pciex"; 131 primary; 132 port = <0x0>; /* port number */ 133 reg = <0x00000101 0x00000000 0x0 0x10000000 /* Config space access */ 134 0x00000100 0x00000000 0x0 0x00001000>; /* UTL Registers space access */ 135 dcr-reg = <0x80 0x20>; 136 137// pci_space < pci_addr > < cpu_addr > < size > 138 ranges = <0x02000000 0x00000000 0x80000000 0x00000110 0x80000000 0x0 0x80000000 139 0x01000000 0x0 0x0 0x00000140 0x0 0x0 0x00010000>; 140 141 /* Inbound starting at 0 to memsize filled in by zImage */ 142 dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x0>; 143 144 /* This drives busses 0 to 0xf */ 145 bus-range = <0x0 0xf>; 146 147 /* Legacy interrupts (note the weird polarity, the bridge seems 148 * to invert PCIe legacy interrupts). 149 * We are de-swizzling here because the numbers are actually for 150 * port of the root complex virtual P2P bridge. But I want 151 * to avoid putting a node for it in the tree, so the numbers 152 * below are basically de-swizzled numbers. 153 * The real slot is on idsel 0, so the swizzling is 1:1 154 */ 155 interrupt-map-mask = <0x0 0x0 0x0 0x7>; 156 interrupt-map = < 157 0x0 0x0 0x0 0x1 &MPIC 46 0x2 /* int A */ 158 0x0 0x0 0x0 0x2 &MPIC 47 0x2 /* int B */ 159 0x0 0x0 0x0 0x3 &MPIC 48 0x2 /* int C */ 160 0x0 0x0 0x0 0x4 &MPIC 49 0x2 /* int D */>; 161 }; 162 163 PCIE1: pciex@30100000000 { // 4xGBIF0 164 device_type = "pci"; 165 #interrupt-cells = <1>; 166 #size-cells = <2>; 167 #address-cells = <3>; 168 compatible = "ibm,plb-pciex-476fpe", "ibm,plb-pciex"; 169 primary; 170 port = <0x1>; /* port number */ 171 reg = <0x00000301 0x00000000 0x0 0x10000000 /* Config space access */ 172 0x00000300 0x00000000 0x0 0x00001000>; /* UTL Registers space access */ 173 dcr-reg = <0x60 0x20>; 174 175 ranges = <0x02000000 0x00000000 0x80000000 0x00000310 0x80000000 0x0 0x80000000 176 0x01000000 0x0 0x0 0x00000340 0x0 0x0 0x00010000>; 177 178 /* Inbound starting at 0 to memsize filled in by zImage */ 179 dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x0>; 180 181 /* This drives busses 0 to 0xf */ 182 bus-range = <0x0 0xf>; 183 184 /* Legacy interrupts (note the weird polarity, the bridge seems 185 * to invert PCIe legacy interrupts). 186 * We are de-swizzling here because the numbers are actually for 187 * port of the root complex virtual P2P bridge. But I want 188 * to avoid putting a node for it in the tree, so the numbers 189 * below are basically de-swizzled numbers. 190 * The real slot is on idsel 0, so the swizzling is 1:1 191 */ 192 interrupt-map-mask = <0x0 0x0 0x0 0x7>; 193 interrupt-map = < 194 0x0 0x0 0x0 0x1 &MPIC 38 0x2 /* int A */ 195 0x0 0x0 0x0 0x2 &MPIC 39 0x2 /* int B */ 196 0x0 0x0 0x0 0x3 &MPIC 40 0x2 /* int C */ 197 0x0 0x0 0x0 0x4 &MPIC 41 0x2 /* int D */>; 198 }; 199 200 PCIE2: pciex@38100000000 { // 2xGBIF0 201 device_type = "pci"; 202 #interrupt-cells = <1>; 203 #size-cells = <2>; 204 #address-cells = <3>; 205 compatible = "ibm,plb-pciex-476fpe", "ibm,plb-pciex"; 206 primary; 207 port = <0x2>; /* port number */ 208 reg = <0x00000381 0x00000000 0x0 0x10000000 /* Config space access */ 209 0x00000380 0x00000000 0x0 0x00001000>; /* UTL Registers space access */ 210 dcr-reg = <0xA0 0x20>; 211 212 ranges = <0x02000000 0x00000000 0x80000000 0x00000390 0x80000000 0x0 0x80000000 213 0x01000000 0x0 0x0 0x000003C0 0x0 0x0 0x00010000>; 214 215 /* Inbound starting at 0 to memsize filled in by zImage */ 216 dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x0>; 217 218 /* This drives busses 0 to 0xf */ 219 bus-range = <0x0 0xf>; 220 221 /* Legacy interrupts (note the weird polarity, the bridge seems 222 * to invert PCIe legacy interrupts). 223 * We are de-swizzling here because the numbers are actually for 224 * port of the root complex virtual P2P bridge. But I want 225 * to avoid putting a node for it in the tree, so the numbers 226 * below are basically de-swizzled numbers. 227 * The real slot is on idsel 0, so the swizzling is 1:1 228 */ 229 interrupt-map-mask = <0x0 0x0 0x0 0x7>; 230 interrupt-map = < 231 0x0 0x0 0x0 0x1 &MPIC 54 0x2 /* int A */ 232 0x0 0x0 0x0 0x2 &MPIC 55 0x2 /* int B */ 233 0x0 0x0 0x0 0x3 &MPIC 56 0x2 /* int C */ 234 0x0 0x0 0x0 0x4 &MPIC 57 0x2 /* int D */>; 235 }; 236 237 }; 238 239 chosen { 240 stdout-path = &UART0; 241 }; 242}; 243