1/* 2 * Device Tree Source for AMCC Sequoia 3 * 4 * Based on Bamboo code by Josh Boyer <jwboyer@linux.vnet.ibm.com> 5 * Copyright (c) 2006, 2007 IBM Corp. 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/ { 16 #address-cells = <2>; 17 #size-cells = <1>; 18 model = "amcc,sequoia"; 19 compatible = "amcc,sequoia"; 20 dcr-parent = <&/cpus/cpu@0>; 21 22 aliases { 23 ethernet0 = &EMAC0; 24 ethernet1 = &EMAC1; 25 serial0 = &UART0; 26 serial1 = &UART1; 27 serial2 = &UART2; 28 serial3 = &UART3; 29 }; 30 31 cpus { 32 #address-cells = <1>; 33 #size-cells = <0>; 34 35 cpu@0 { 36 device_type = "cpu"; 37 model = "PowerPC,440EPx"; 38 reg = <0>; 39 clock-frequency = <0>; /* Filled in by zImage */ 40 timebase-frequency = <0>; /* Filled in by zImage */ 41 i-cache-line-size = <20>; 42 d-cache-line-size = <20>; 43 i-cache-size = <8000>; 44 d-cache-size = <8000>; 45 dcr-controller; 46 dcr-access-method = "native"; 47 }; 48 }; 49 50 memory { 51 device_type = "memory"; 52 reg = <0 0 0>; /* Filled in by zImage */ 53 }; 54 55 UIC0: interrupt-controller0 { 56 compatible = "ibm,uic-440epx","ibm,uic"; 57 interrupt-controller; 58 cell-index = <0>; 59 dcr-reg = <0c0 009>; 60 #address-cells = <0>; 61 #size-cells = <0>; 62 #interrupt-cells = <2>; 63 }; 64 65 UIC1: interrupt-controller1 { 66 compatible = "ibm,uic-440epx","ibm,uic"; 67 interrupt-controller; 68 cell-index = <1>; 69 dcr-reg = <0d0 009>; 70 #address-cells = <0>; 71 #size-cells = <0>; 72 #interrupt-cells = <2>; 73 interrupts = <1e 4 1f 4>; /* cascade */ 74 interrupt-parent = <&UIC0>; 75 }; 76 77 UIC2: interrupt-controller2 { 78 compatible = "ibm,uic-440epx","ibm,uic"; 79 interrupt-controller; 80 cell-index = <2>; 81 dcr-reg = <0e0 009>; 82 #address-cells = <0>; 83 #size-cells = <0>; 84 #interrupt-cells = <2>; 85 interrupts = <1c 4 1d 4>; /* cascade */ 86 interrupt-parent = <&UIC0>; 87 }; 88 89 SDR0: sdr { 90 compatible = "ibm,sdr-440epx", "ibm,sdr-440ep"; 91 dcr-reg = <00e 002>; 92 }; 93 94 CPR0: cpr { 95 compatible = "ibm,cpr-440epx", "ibm,cpr-440ep"; 96 dcr-reg = <00c 002>; 97 }; 98 99 plb { 100 compatible = "ibm,plb-440epx", "ibm,plb4"; 101 #address-cells = <2>; 102 #size-cells = <1>; 103 ranges; 104 clock-frequency = <0>; /* Filled in by zImage */ 105 106 SDRAM0: sdram { 107 compatible = "ibm,sdram-440epx", "ibm,sdram-44x-ddr2denali"; 108 dcr-reg = <010 2>; 109 }; 110 111 DMA0: dma { 112 compatible = "ibm,dma-440epx", "ibm,dma-4xx"; 113 dcr-reg = <100 027>; 114 }; 115 116 MAL0: mcmal { 117 compatible = "ibm,mcmal-440epx", "ibm,mcmal2"; 118 dcr-reg = <180 62>; 119 num-tx-chans = <2>; 120 num-rx-chans = <2>; 121 interrupt-parent = <&MAL0>; 122 interrupts = <0 1 2 3 4>; 123 #interrupt-cells = <1>; 124 #address-cells = <0>; 125 #size-cells = <0>; 126 interrupt-map = </*TXEOB*/ 0 &UIC0 a 4 127 /*RXEOB*/ 1 &UIC0 b 4 128 /*SERR*/ 2 &UIC1 0 4 129 /*TXDE*/ 3 &UIC1 1 4 130 /*RXDE*/ 4 &UIC1 2 4>; 131 interrupt-map-mask = <ffffffff>; 132 }; 133 134 USB1: usb@e0000400 { 135 compatible = "ohci-be"; 136 reg = <0 e0000400 60>; 137 interrupt-parent = <&UIC0>; 138 interrupts = <15 8>; 139 }; 140 141 USB0: ehci@e0000300 { 142 compatible = "ibm,usb-ehci-440epx", "usb-ehci"; 143 interrupt-parent = <&UIC0>; 144 interrupts = <1a 4>; 145 reg = <0 e0000300 90 0 e0000390 70>; 146 big-endian; 147 }; 148 149 POB0: opb { 150 compatible = "ibm,opb-440epx", "ibm,opb"; 151 #address-cells = <1>; 152 #size-cells = <1>; 153 ranges = <00000000 1 00000000 80000000 154 80000000 1 80000000 80000000>; 155 interrupt-parent = <&UIC1>; 156 interrupts = <7 4>; 157 clock-frequency = <0>; /* Filled in by zImage */ 158 159 EBC0: ebc { 160 compatible = "ibm,ebc-440epx", "ibm,ebc"; 161 dcr-reg = <012 2>; 162 #address-cells = <2>; 163 #size-cells = <1>; 164 clock-frequency = <0>; /* Filled in by zImage */ 165 interrupts = <5 1>; 166 interrupt-parent = <&UIC1>; 167 168 nor_flash@0,0 { 169 compatible = "amd,s29gl256n", "cfi-flash"; 170 bank-width = <2>; 171 reg = <0 000000 4000000>; 172 #address-cells = <1>; 173 #size-cells = <1>; 174 partition@0 { 175 label = "Kernel"; 176 reg = <0 180000>; 177 }; 178 partition@180000 { 179 label = "ramdisk"; 180 reg = <180000 200000>; 181 }; 182 partition@380000 { 183 label = "file system"; 184 reg = <380000 3aa0000>; 185 }; 186 partition@3e20000 { 187 label = "kozio"; 188 reg = <3e20000 140000>; 189 }; 190 partition@3f60000 { 191 label = "env"; 192 reg = <3f60000 40000>; 193 }; 194 partition@3fa0000 { 195 label = "u-boot"; 196 reg = <3fa0000 60000>; 197 }; 198 }; 199 200 }; 201 202 UART0: serial@ef600300 { 203 device_type = "serial"; 204 compatible = "ns16550"; 205 reg = <ef600300 8>; 206 virtual-reg = <ef600300>; 207 clock-frequency = <0>; /* Filled in by zImage */ 208 current-speed = <1c200>; 209 interrupt-parent = <&UIC0>; 210 interrupts = <0 4>; 211 }; 212 213 UART1: serial@ef600400 { 214 device_type = "serial"; 215 compatible = "ns16550"; 216 reg = <ef600400 8>; 217 virtual-reg = <ef600400>; 218 clock-frequency = <0>; 219 current-speed = <0>; 220 interrupt-parent = <&UIC0>; 221 interrupts = <1 4>; 222 }; 223 224 UART2: serial@ef600500 { 225 device_type = "serial"; 226 compatible = "ns16550"; 227 reg = <ef600500 8>; 228 virtual-reg = <ef600500>; 229 clock-frequency = <0>; 230 current-speed = <0>; 231 interrupt-parent = <&UIC1>; 232 interrupts = <3 4>; 233 }; 234 235 UART3: serial@ef600600 { 236 device_type = "serial"; 237 compatible = "ns16550"; 238 reg = <ef600600 8>; 239 virtual-reg = <ef600600>; 240 clock-frequency = <0>; 241 current-speed = <0>; 242 interrupt-parent = <&UIC1>; 243 interrupts = <4 4>; 244 }; 245 246 IIC0: i2c@ef600700 { 247 compatible = "ibm,iic-440epx", "ibm,iic"; 248 reg = <ef600700 14>; 249 interrupt-parent = <&UIC0>; 250 interrupts = <2 4>; 251 }; 252 253 IIC1: i2c@ef600800 { 254 compatible = "ibm,iic-440epx", "ibm,iic"; 255 reg = <ef600800 14>; 256 interrupt-parent = <&UIC0>; 257 interrupts = <7 4>; 258 }; 259 260 ZMII0: emac-zmii@ef600d00 { 261 compatible = "ibm,zmii-440epx", "ibm,zmii"; 262 reg = <ef600d00 c>; 263 }; 264 265 RGMII0: emac-rgmii@ef601000 { 266 compatible = "ibm,rgmii-440epx", "ibm,rgmii"; 267 reg = <ef601000 8>; 268 has-mdio; 269 }; 270 271 EMAC0: ethernet@ef600e00 { 272 device_type = "network"; 273 compatible = "ibm,emac-440epx", "ibm,emac4"; 274 interrupt-parent = <&EMAC0>; 275 interrupts = <0 1>; 276 #interrupt-cells = <1>; 277 #address-cells = <0>; 278 #size-cells = <0>; 279 interrupt-map = </*Status*/ 0 &UIC0 18 4 280 /*Wake*/ 1 &UIC1 1d 4>; 281 reg = <ef600e00 70>; 282 local-mac-address = [000000000000]; 283 mal-device = <&MAL0>; 284 mal-tx-channel = <0>; 285 mal-rx-channel = <0>; 286 cell-index = <0>; 287 max-frame-size = <2328>; 288 rx-fifo-size = <1000>; 289 tx-fifo-size = <800>; 290 phy-mode = "rgmii"; 291 phy-map = <00000000>; 292 zmii-device = <&ZMII0>; 293 zmii-channel = <0>; 294 rgmii-device = <&RGMII0>; 295 rgmii-channel = <0>; 296 has-inverted-stacr-oc; 297 has-new-stacr-staopc; 298 }; 299 300 EMAC1: ethernet@ef600f00 { 301 device_type = "network"; 302 compatible = "ibm,emac-440epx", "ibm,emac4"; 303 interrupt-parent = <&EMAC1>; 304 interrupts = <0 1>; 305 #interrupt-cells = <1>; 306 #address-cells = <0>; 307 #size-cells = <0>; 308 interrupt-map = </*Status*/ 0 &UIC0 19 4 309 /*Wake*/ 1 &UIC1 1f 4>; 310 reg = <ef600f00 70>; 311 local-mac-address = [000000000000]; 312 mal-device = <&MAL0>; 313 mal-tx-channel = <1>; 314 mal-rx-channel = <1>; 315 cell-index = <1>; 316 max-frame-size = <2328>; 317 rx-fifo-size = <1000>; 318 tx-fifo-size = <800>; 319 phy-mode = "rgmii"; 320 phy-map = <00000000>; 321 zmii-device = <&ZMII0>; 322 zmii-channel = <1>; 323 rgmii-device = <&RGMII0>; 324 rgmii-channel = <1>; 325 has-inverted-stacr-oc; 326 has-new-stacr-staopc; 327 }; 328 }; 329 330 PCI0: pci@1ec000000 { 331 device_type = "pci"; 332 #interrupt-cells = <1>; 333 #size-cells = <2>; 334 #address-cells = <3>; 335 compatible = "ibm,plb440epx-pci", "ibm,plb-pci"; 336 primary; 337 reg = <1 eec00000 8 /* Config space access */ 338 1 eed00000 4 /* IACK */ 339 1 eed00000 4 /* Special cycle */ 340 1 ef400000 40>; /* Internal registers */ 341 342 /* Outbound ranges, one memory and one IO, 343 * later cannot be changed. Chip supports a second 344 * IO range but we don't use it for now 345 * From the 440EPx user manual: 346 * PCI 1 Memory 1 8000 0000 1 BFFF FFFF 1GB 347 * I/O 1 E800 0000 1 E800 FFFF 64KB 348 * I/O 1 E880 0000 1 EBFF FFFF 56MB 349 */ 350 ranges = <02000000 0 80000000 1 80000000 0 40000000 351 01000000 0 00000000 1 e8000000 0 00010000 352 01000000 0 00000000 1 e8800000 0 03800000>; 353 354 /* Inbound 2GB range starting at 0 */ 355 dma-ranges = <42000000 0 0 0 0 0 80000000>; 356 357 /* All PCI interrupts are routed to IRQ 67 */ 358 interrupt-map-mask = <0000 0 0 0>; 359 interrupt-map = < 0000 0 0 0 &UIC2 3 8 >; 360 }; 361 }; 362 363 chosen { 364 linux,stdout-path = "/plb/opb/serial@ef600300"; 365 bootargs = "console=ttyS0,115200"; 366 }; 367}; 368