1/* 2 * Device Tree Source for IBM Ebony 3 * 4 * Copyright (c) 2006, 2007 IBM Corp. 5 * Josh Boyer <jwboyer@linux.vnet.ibm.com>, David Gibson <dwg@au1.ibm.com> 6 * 7 * FIXME: Draft only! 8 * 9 * This file is licensed under the terms of the GNU General Public 10 * License version 2. This program is licensed "as is" without 11 * any warranty of any kind, whether express or implied. 12 */ 13 14/ { 15 #address-cells = <2>; 16 #size-cells = <1>; 17 model = "ibm,ebony"; 18 compatible = "ibm,ebony"; 19 dcr-parent = <&/cpus/cpu@0>; 20 21 aliases { 22 ethernet0 = &EMAC0; 23 ethernet1 = &EMAC1; 24 serial0 = &UART0; 25 serial1 = &UART1; 26 }; 27 28 cpus { 29 #address-cells = <1>; 30 #size-cells = <0>; 31 32 cpu@0 { 33 device_type = "cpu"; 34 model = "PowerPC,440GP"; 35 reg = <0>; 36 clock-frequency = <0>; // Filled in by zImage 37 timebase-frequency = <0>; // Filled in by zImage 38 i-cache-line-size = <20>; 39 d-cache-line-size = <20>; 40 i-cache-size = <8000>; /* 32 kB */ 41 d-cache-size = <8000>; /* 32 kB */ 42 dcr-controller; 43 dcr-access-method = "native"; 44 }; 45 }; 46 47 memory { 48 device_type = "memory"; 49 reg = <0 0 0>; // Filled in by zImage 50 }; 51 52 UIC0: interrupt-controller0 { 53 compatible = "ibm,uic-440gp", "ibm,uic"; 54 interrupt-controller; 55 cell-index = <0>; 56 dcr-reg = <0c0 009>; 57 #address-cells = <0>; 58 #size-cells = <0>; 59 #interrupt-cells = <2>; 60 61 }; 62 63 UIC1: interrupt-controller1 { 64 compatible = "ibm,uic-440gp", "ibm,uic"; 65 interrupt-controller; 66 cell-index = <1>; 67 dcr-reg = <0d0 009>; 68 #address-cells = <0>; 69 #size-cells = <0>; 70 #interrupt-cells = <2>; 71 interrupts = <1e 4 1f 4>; /* cascade */ 72 interrupt-parent = <&UIC0>; 73 }; 74 75 CPC0: cpc { 76 compatible = "ibm,cpc-440gp"; 77 dcr-reg = <0b0 003 0e0 010>; 78 // FIXME: anything else? 79 }; 80 81 plb { 82 compatible = "ibm,plb-440gp", "ibm,plb4"; 83 #address-cells = <2>; 84 #size-cells = <1>; 85 ranges; 86 clock-frequency = <0>; // Filled in by zImage 87 88 SDRAM0: memory-controller { 89 compatible = "ibm,sdram-440gp"; 90 dcr-reg = <010 2>; 91 // FIXME: anything else? 92 }; 93 94 SRAM0: sram { 95 compatible = "ibm,sram-440gp"; 96 dcr-reg = <020 8 00a 1>; 97 }; 98 99 DMA0: dma { 100 // FIXME: ??? 101 compatible = "ibm,dma-440gp"; 102 dcr-reg = <100 027>; 103 }; 104 105 MAL0: mcmal { 106 compatible = "ibm,mcmal-440gp", "ibm,mcmal"; 107 dcr-reg = <180 62>; 108 num-tx-chans = <4>; 109 num-rx-chans = <4>; 110 interrupt-parent = <&MAL0>; 111 interrupts = <0 1 2 3 4>; 112 #interrupt-cells = <1>; 113 #address-cells = <0>; 114 #size-cells = <0>; 115 interrupt-map = </*TXEOB*/ 0 &UIC0 a 4 116 /*RXEOB*/ 1 &UIC0 b 4 117 /*SERR*/ 2 &UIC1 0 4 118 /*TXDE*/ 3 &UIC1 1 4 119 /*RXDE*/ 4 &UIC1 2 4>; 120 interrupt-map-mask = <ffffffff>; 121 }; 122 123 POB0: opb { 124 compatible = "ibm,opb-440gp", "ibm,opb"; 125 #address-cells = <1>; 126 #size-cells = <1>; 127 /* Wish there was a nicer way of specifying a full 32-bit 128 range */ 129 ranges = <00000000 1 00000000 80000000 130 80000000 1 80000000 80000000>; 131 dcr-reg = <090 00b>; 132 interrupt-parent = <&UIC1>; 133 interrupts = <7 4>; 134 clock-frequency = <0>; // Filled in by zImage 135 136 EBC0: ebc { 137 compatible = "ibm,ebc-440gp", "ibm,ebc"; 138 dcr-reg = <012 2>; 139 #address-cells = <2>; 140 #size-cells = <1>; 141 clock-frequency = <0>; // Filled in by zImage 142 // ranges property is supplied by zImage 143 // based on firmware's configuration of the 144 // EBC bridge 145 interrupts = <5 4>; 146 interrupt-parent = <&UIC1>; 147 148 small-flash@0,80000 { 149 compatible = "jedec-flash"; 150 bank-width = <1>; 151 reg = <0 80000 80000>; 152 #address-cells = <1>; 153 #size-cells = <1>; 154 partition@0 { 155 label = "OpenBIOS"; 156 reg = <0 80000>; 157 read-only; 158 }; 159 }; 160 161 ds1743@1,0 { 162 /* NVRAM & RTC */ 163 compatible = "ds1743"; 164 reg = <1 0 2000>; 165 }; 166 167 large-flash@2,0 { 168 compatible = "jedec-flash"; 169 bank-width = <1>; 170 reg = <2 0 400000>; 171 #address-cells = <1>; 172 #size-cells = <1>; 173 partition@0 { 174 label = "fs"; 175 reg = <0 380000>; 176 }; 177 partition@380000 { 178 label = "firmware"; 179 reg = <380000 80000>; 180 }; 181 }; 182 183 ir@3,0 { 184 reg = <3 0 10>; 185 }; 186 187 fpga@7,0 { 188 compatible = "Ebony-FPGA"; 189 reg = <7 0 10>; 190 virtual-reg = <e8300000>; 191 }; 192 }; 193 194 UART0: serial@40000200 { 195 device_type = "serial"; 196 compatible = "ns16550"; 197 reg = <40000200 8>; 198 virtual-reg = <e0000200>; 199 clock-frequency = <A8C000>; 200 current-speed = <2580>; 201 interrupt-parent = <&UIC0>; 202 interrupts = <0 4>; 203 }; 204 205 UART1: serial@40000300 { 206 device_type = "serial"; 207 compatible = "ns16550"; 208 reg = <40000300 8>; 209 virtual-reg = <e0000300>; 210 clock-frequency = <A8C000>; 211 current-speed = <2580>; 212 interrupt-parent = <&UIC0>; 213 interrupts = <1 4>; 214 }; 215 216 IIC0: i2c@40000400 { 217 /* FIXME */ 218 device_type = "i2c"; 219 compatible = "ibm,iic-440gp", "ibm,iic"; 220 reg = <40000400 14>; 221 interrupt-parent = <&UIC0>; 222 interrupts = <2 4>; 223 }; 224 IIC1: i2c@40000500 { 225 /* FIXME */ 226 device_type = "i2c"; 227 compatible = "ibm,iic-440gp", "ibm,iic"; 228 reg = <40000500 14>; 229 interrupt-parent = <&UIC0>; 230 interrupts = <3 4>; 231 }; 232 233 GPIO0: gpio@40000700 { 234 /* FIXME */ 235 compatible = "ibm,gpio-440gp"; 236 reg = <40000700 20>; 237 }; 238 239 ZMII0: emac-zmii@40000780 { 240 compatible = "ibm,zmii-440gp", "ibm,zmii"; 241 reg = <40000780 c>; 242 }; 243 244 EMAC0: ethernet@40000800 { 245 linux,network-index = <0>; 246 device_type = "network"; 247 compatible = "ibm,emac-440gp", "ibm,emac"; 248 interrupt-parent = <&UIC1>; 249 interrupts = <1c 4 1d 4>; 250 reg = <40000800 70>; 251 local-mac-address = [000000000000]; // Filled in by zImage 252 mal-device = <&MAL0>; 253 mal-tx-channel = <0 1>; 254 mal-rx-channel = <0>; 255 cell-index = <0>; 256 max-frame-size = <5dc>; 257 rx-fifo-size = <1000>; 258 tx-fifo-size = <800>; 259 phy-mode = "rmii"; 260 phy-map = <00000001>; 261 zmii-device = <&ZMII0>; 262 zmii-channel = <0>; 263 }; 264 EMAC1: ethernet@40000900 { 265 linux,network-index = <1>; 266 device_type = "network"; 267 compatible = "ibm,emac-440gp", "ibm,emac"; 268 interrupt-parent = <&UIC1>; 269 interrupts = <1e 4 1f 4>; 270 reg = <40000900 70>; 271 local-mac-address = [000000000000]; // Filled in by zImage 272 mal-device = <&MAL0>; 273 mal-tx-channel = <2 3>; 274 mal-rx-channel = <1>; 275 cell-index = <1>; 276 max-frame-size = <5dc>; 277 rx-fifo-size = <1000>; 278 tx-fifo-size = <800>; 279 phy-mode = "rmii"; 280 phy-map = <00000001>; 281 zmii-device = <&ZMII0>; 282 zmii-channel = <1>; 283 }; 284 285 286 GPT0: gpt@40000a00 { 287 /* FIXME */ 288 reg = <40000a00 d4>; 289 interrupt-parent = <&UIC0>; 290 interrupts = <12 4 13 4 14 4 15 4 16 4>; 291 }; 292 293 }; 294 295 PCIX0: pci@20ec00000 { 296 device_type = "pci"; 297 #interrupt-cells = <1>; 298 #size-cells = <2>; 299 #address-cells = <3>; 300 compatible = "ibm,plb440gp-pcix", "ibm,plb-pcix"; 301 primary; 302 reg = <2 0ec00000 8 /* Config space access */ 303 0 0 0 /* no IACK cycles */ 304 2 0ed00000 4 /* Special cycles */ 305 2 0ec80000 f0 /* Internal registers */ 306 2 0ec80100 fc>; /* Internal messaging registers */ 307 308 /* Outbound ranges, one memory and one IO, 309 * later cannot be changed 310 */ 311 ranges = <02000000 0 80000000 00000003 80000000 0 80000000 312 01000000 0 00000000 00000002 08000000 0 00010000>; 313 314 /* Inbound 2GB range starting at 0 */ 315 dma-ranges = <42000000 0 0 0 0 0 80000000>; 316 317 /* Ebony has all 4 IRQ pins tied together per slot */ 318 interrupt-map-mask = <f800 0 0 0>; 319 interrupt-map = < 320 /* IDSEL 1 */ 321 0800 0 0 0 &UIC0 17 8 322 323 /* IDSEL 2 */ 324 1000 0 0 0 &UIC0 18 8 325 326 /* IDSEL 3 */ 327 1800 0 0 0 &UIC0 19 8 328 329 /* IDSEL 4 */ 330 2000 0 0 0 &UIC0 1a 8 331 >; 332 }; 333 }; 334 335 chosen { 336 linux,stdout-path = "/plb/opb/serial@40000200"; 337 }; 338}; 339