arch/powerpc/boot/dts/ebony.dts

   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 /dts-v1/;
  15
  16 / {
  17         #address-cells = <2>;
  18         #size-cells = <1>;
  19         model = "ibm,ebony";
  20         compatible = "ibm,ebony";
  21         dcr-parent = <&{/cpus/cpu@0}>;
  22
  23         aliases {
  24                 ethernet0 = &EMAC0;
  25                 ethernet1 = &EMAC1;
  26                 serial0 = &UART0;
  27                 serial1 = &UART1;
  28         };
  29
  30         cpus {
  31                 #address-cells = <1>;
  32                 #size-cells = <0>;
  33
  34                 cpu@0 {
  35                         device_type = "cpu";
  36                         model = "PowerPC,440GP";
  37                         reg = <0x00000000>;
  38                         clock-frequency = <0>; // Filled in by zImage
  39                         timebase-frequency = <0>; // Filled in by zImage
  40                         i-cache-line-size = <32>;
  41                         d-cache-line-size = <32>;
  42                         i-cache-size = <32768>; /* 32 kB */
  43                         d-cache-size = <32768>; /* 32 kB */
  44                         dcr-controller;
  45                         dcr-access-method = "native";
  46                 };
  47         };
  48
  49         memory {
  50                 device_type = "memory";
  51                 reg = <0x00000000 0x00000000 0x00000000>; // Filled in by zImage
  52         };
  53
  54         UIC0: interrupt-controller0 {
  55                 compatible = "ibm,uic-440gp", "ibm,uic";
  56                 interrupt-controller;
  57                 cell-index = <0>;
  58                 dcr-reg = <0x0c0 0x009>;
  59                 #address-cells = <0>;
  60                 #size-cells = <0>;
  61                 #interrupt-cells = <2>;
  62
  63         };
  64
  65         UIC1: interrupt-controller1 {
  66                 compatible = "ibm,uic-440gp", "ibm,uic";
  67                 interrupt-controller;
  68                 cell-index = <1>;
  69                 dcr-reg = <0x0d0 0x009>;
  70                 #address-cells = <0>;
  71                 #size-cells = <0>;
  72                 #interrupt-cells = <2>;
  73                 interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */
  74                 interrupt-parent = <&UIC0>;
  75         };
  76
  77         CPC0: cpc {
  78                 compatible = "ibm,cpc-440gp";
  79                 dcr-reg = <0x0b0 0x003 0x0e0 0x010>;
  80                 // FIXME: anything else?
  81         };
  82
  83         plb {
  84                 compatible = "ibm,plb-440gp", "ibm,plb4";
  85                 #address-cells = <2>;
  86                 #size-cells = <1>;
  87                 ranges;
  88                 clock-frequency = <0>; // Filled in by zImage
  89
  90                 SDRAM0: memory-controller {
  91                         compatible = "ibm,sdram-440gp";
  92                         dcr-reg = <0x010 0x002>;
  93                         // FIXME: anything else?
  94                 };
  95
  96                 SRAM0: sram {
  97                         compatible = "ibm,sram-440gp";
  98                         dcr-reg = <0x020 0x008 0x00a 0x001>;
  99                 };
 100
 101                 DMA0: dma {
 102                         // FIXME: ???
 103                         compatible = "ibm,dma-440gp";
 104                         dcr-reg = <0x100 0x027>;
 105                 };
 106
 107                 MAL0: mcmal {
 108                         compatible = "ibm,mcmal-440gp", "ibm,mcmal";
 109                         dcr-reg = <0x180 0x062>;
 110                         num-tx-chans = <4>;
 111                         num-rx-chans = <4>;
 112                         interrupt-parent = <&MAL0>;
 113                         interrupts = <0x0 0x1 0x2 0x3 0x4>;
 114                         #interrupt-cells = <1>;
 115                         #address-cells = <0>;
 116                         #size-cells = <0>;
 117                         interrupt-map = </*TXEOB*/ 0x0 &UIC0 0xa 0x4
 118                                          /*RXEOB*/ 0x1 &UIC0 0xb 0x4
 119                                          /*SERR*/  0x2 &UIC1 0x0 0x4
 120                                          /*TXDE*/  0x3 &UIC1 0x1 0x4
 121                                          /*RXDE*/  0x4 &UIC1 0x2 0x4>;
 122                         interrupt-map-mask = <0xffffffff>;
 123                 };
 124
 125                 POB0: opb {
 126                         compatible = "ibm,opb-440gp", "ibm,opb";
 127                         #address-cells = <1>;
 128                         #size-cells = <1>;
 129                         /* Wish there was a nicer way of specifying a full 32-bit
 130                            range */
 131                         ranges = <0x00000000 0x00000001 0x00000000 0x80000000
 132                                   0x80000000 0x00000001 0x80000000 0x80000000>;
 133                         dcr-reg = <0x090 0x00b>;
 134                         interrupt-parent = <&UIC1>;
 135                         interrupts = <0x7 0x4>;
 136                         clock-frequency = <0>; // Filled in by zImage
 137
 138                         EBC0: ebc {
 139                                 compatible = "ibm,ebc-440gp", "ibm,ebc";
 140                                 dcr-reg = <0x012 0x002>;
 141                                 #address-cells = <2>;
 142                                 #size-cells = <1>;
 143                                 clock-frequency = <0>; // Filled in by zImage
 144                                 // ranges property is supplied by zImage
 145                                 // based on firmware's configuration of the
 146                                 // EBC bridge
 147                                 interrupts = <0x5 0x4>;
 148                                 interrupt-parent = <&UIC1>;
 149
 150                                 small-flash@0,80000 {
 151                                         compatible = "jedec-flash";
 152                                         bank-width = <1>;
 153                                         reg = <0x00000000 0x00080000 0x00080000>;
 154                                         #address-cells = <1>;
 155                                         #size-cells = <1>;
 156                                         partition@0 {
 157                                                 label = "OpenBIOS";
 158                                                 reg = <0x00000000 0x00080000>;
 159                                                 read-only;
 160                                         };
 161                                 };
 162
 163                                 nvram@1,0 {
 164                                         /* NVRAM & RTC */
 165                                         compatible = "ds1743-nvram";
 166                                         #bytes = <0x2000>;
 167                                         reg = <0x00000001 0x00000000 0x00002000>;
 168                                 };
 169
 170                                 large-flash@2,0 {
 171                                         compatible = "jedec-flash";
 172                                         bank-width = <1>;
 173                                         reg = <0x00000002 0x00000000 0x00400000>;
 174                                         #address-cells = <1>;
 175                                         #size-cells = <1>;
 176                                         partition@0 {
 177                                                 label = "fs";
 178                                                 reg = <0x00000000 0x00380000>;
 179                                         };
 180                                         partition@380000 {
 181                                                 label = "firmware";
 182                                                 reg = <0x00380000 0x00080000>;
 183                                         };
 184                                 };
 185
 186                                 ir@3,0 {
 187                                         reg = <0x00000003 0x00000000 0x00000010>;
 188                                 };
 189
 190                                 fpga@7,0 {
 191                                         compatible = "Ebony-FPGA";
 192                                         reg = <0x00000007 0x00000000 0x00000010>;
 193                                         virtual-reg = <0xe8300000>;
 194                                 };
 195                         };
 196
 197                         UART0: serial@40000200 {
 198                                 device_type = "serial";
 199                                 compatible = "ns16550";
 200                                 reg = <0x40000200 0x00000008>;
 201                                 virtual-reg = <0xe0000200>;
 202                                 clock-frequency = <11059200>;
 203                                 current-speed = <9600>;
 204                                 interrupt-parent = <&UIC0>;
 205                                 interrupts = <0x0 0x4>;
 206                         };
 207
 208                         UART1: serial@40000300 {
 209                                 device_type = "serial";
 210                                 compatible = "ns16550";
 211                                 reg = <0x40000300 0x00000008>;
 212                                 virtual-reg = <0xe0000300>;
 213                                 clock-frequency = <11059200>;
 214                                 current-speed = <9600>;
 215                                 interrupt-parent = <&UIC0>;
 216                                 interrupts = <0x1 0x4>;
 217                         };
 218
 219                         IIC0: i2c@40000400 {
 220                                 /* FIXME */
 221                                 compatible = "ibm,iic-440gp", "ibm,iic";
 222                                 reg = <0x40000400 0x00000014>;
 223                                 interrupt-parent = <&UIC0>;
 224                                 interrupts = <0x2 0x4>;
 225                         };
 226                         IIC1: i2c@40000500 {
 227                                 /* FIXME */
 228                                 compatible = "ibm,iic-440gp", "ibm,iic";
 229                                 reg = <0x40000500 0x00000014>;
 230                                 interrupt-parent = <&UIC0>;
 231                                 interrupts = <0x3 0x4>;
 232                         };
 233
 234                         GPIO0: gpio@40000700 {
 235                                 /* FIXME */
 236                                 compatible = "ibm,gpio-440gp";
 237                                 reg = <0x40000700 0x00000020>;
 238                         };
 239
 240                         ZMII0: emac-zmii@40000780 {
 241                                 compatible = "ibm,zmii-440gp", "ibm,zmii";
 242                                 reg = <0x40000780 0x0000000c>;
 243                         };
 244
 245                         EMAC0: ethernet@40000800 {
 246                                 device_type = "network";
 247                                 compatible = "ibm,emac-440gp", "ibm,emac";
 248                                 interrupt-parent = <&UIC1>;
 249                                 interrupts = <0x1c 0x4 0x1d 0x4>;
 250                                 reg = <0x40000800 0x00000070>;
 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 = <1500>;
 257                                 rx-fifo-size = <4096>;
 258                                 tx-fifo-size = <2048>;
 259                                 phy-mode = "rmii";
 260                                 phy-map = <0x00000001>;
 261                                 zmii-device = <&ZMII0>;
 262                                 zmii-channel = <0>;
 263                         };
 264                         EMAC1: ethernet@40000900 {
 265                                 device_type = "network";
 266                                 compatible = "ibm,emac-440gp", "ibm,emac";
 267                                 interrupt-parent = <&UIC1>;
 268                                 interrupts = <0x1e 0x4 0x1f 0x4>;
 269                                 reg = <0x40000900 0x00000070>;
 270                                 local-mac-address = [000000000000]; // Filled in by zImage
 271                                 mal-device = <&MAL0>;
 272                                 mal-tx-channel = <2 3>;
 273                                 mal-rx-channel = <1>;
 274                                 cell-index = <1>;
 275                                 max-frame-size = <1500>;
 276                                 rx-fifo-size = <4096>;
 277                                 tx-fifo-size = <2048>;
 278                                 phy-mode = "rmii";
 279                                 phy-map = <0x00000001>;
 280                                 zmii-device = <&ZMII0>;
 281                                 zmii-channel = <1>;
 282                         };
 283
 284
 285                         GPT0: gpt@40000a00 {
 286                                 /* FIXME */
 287                                 reg = <0x40000a00 0x000000d4>;
 288                                 interrupt-parent = <&UIC0>;
 289                                 interrupts = <0x12 0x4 0x13 0x4 0x14 0x4 0x15 0x4 0x16 0x4>;
 290                         };
 291
 292                 };
 293
 294                 PCIX0: pci@20ec00000 {
 295                         device_type = "pci";
 296                         #interrupt-cells = <1>;
 297                         #size-cells = <2>;
 298                         #address-cells = <3>;
 299                         compatible = "ibm,plb440gp-pcix", "ibm,plb-pcix";
 300                         primary;
 301                         reg = <0x00000002 0x0ec00000 0x00000008 /* Config space access */
 302                                0x00000000 0x00000000 0x00000000         /* no IACK cycles */
 303                                0x00000002 0x0ed00000 0x00000004     /* Special cycles */
 304                                0x00000002 0x0ec80000 0x000000f0 /* Internal registers */
 305                                0x00000002 0x0ec80100 0x000000fc>;       /* Internal messaging registers */
 306
 307                         /* Outbound ranges, one memory and one IO,
 308                          * later cannot be changed
 309                          */
 310                         ranges = <0x02000000 0x00000000 0x80000000 0x00000003 0x80000000 0x00000000 0x80000000
 311                                   0x01000000 0x00000000 0x00000000 0x00000002 0x08000000 0x00000000 0x00010000>;
 312
 313                         /* Inbound 2GB range starting at 0 */
 314                         dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
 315
 316                         /* Ebony has all 4 IRQ pins tied together per slot */
 317                         interrupt-map-mask = <0xf800 0x0 0x0 0x0>;
 318                         interrupt-map = <
 319                                 /* IDSEL 1 */
 320                                 0x800 0x0 0x0 0x0 &UIC0 0x17 0x8
 321
 322                                 /* IDSEL 2 */
 323                                 0x1000 0x0 0x0 0x0 &UIC0 0x18 0x8
 324
 325                                 /* IDSEL 3 */
 326                                 0x1800 0x0 0x0 0x0 &UIC0 0x19 0x8
 327
 328                                 /* IDSEL 4 */
 329                                 0x2000 0x0 0x0 0x0 &UIC0 0x1a 0x8
 330                         >;
 331                 };
 332         };
 333
 334         chosen {
 335                 linux,stdout-path = "/plb/opb/serial@40000200";
 336         };
 337 };