arch/powerpc/boot/dts/hotfoot.dts

   1 /*
   2  * Device Tree Source for ESTeem 195E Hotfoot
   3  *
   4  * Copyright 2009 AbsoluteValue Systems <solomon@linux-wlan.com>
   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 / {
  14         #address-cells = <1>;
  15         #size-cells = <1>;
  16         model = "est,hotfoot";
  17         compatible = "est,hotfoot";
  18         dcr-parent = <&{/cpus/cpu@0}>;
  19
  20         aliases {
  21                 ethernet0 = &EMAC0;
  22                 ethernet1 = &EMAC1;
  23                 serial0 = &UART0;
  24                 serial1 = &UART1;
  25         };
  26
  27         cpus {
  28                 #address-cells = <1>;
  29                 #size-cells = <0>;
  30
  31                 cpu@0 {
  32                         device_type = "cpu";
  33                         model = "PowerPC,405EP";
  34                         reg = <0x00000000>;
  35                         clock-frequency = <0>; /* Filled in by zImage */
  36                         timebase-frequency = <0>; /* Filled in by zImage */
  37                         i-cache-line-size = <0x20>;
  38                         d-cache-line-size = <0x20>;
  39                         i-cache-size = <0x4000>;
  40                         d-cache-size = <0x4000>;
  41                         dcr-controller;
  42                         dcr-access-method = "native";
  43                 };
  44         };
  45
  46         memory {
  47                 device_type = "memory";
  48                 reg = <0x00000000 0x00000000>; /* Filled in by zImage */
  49         };
  50
  51         UIC0: interrupt-controller {
  52                 compatible = "ibm,uic";
  53                 interrupt-controller;
  54                 cell-index = <0>;
  55                 dcr-reg = <0x0c0 0x009>;
  56                 #address-cells = <0>;
  57                 #size-cells = <0>;
  58                 #interrupt-cells = <2>;
  59         };
  60
  61         plb {
  62                 compatible = "ibm,plb3";
  63                 #address-cells = <1>;
  64                 #size-cells = <1>;
  65                 ranges;
  66                 clock-frequency = <0>; /* Filled in by zImage */
  67
  68                 SDRAM0: memory-controller {
  69                         compatible = "ibm,sdram-405ep";
  70                         dcr-reg = <0x010 0x002>;
  71                 };
  72
  73                 MAL: mcmal {
  74                         compatible = "ibm,mcmal-405ep", "ibm,mcmal";
  75                         dcr-reg = <0x180 0x062>;
  76                         num-tx-chans = <4>;
  77                         num-rx-chans = <2>;
  78                         interrupt-parent = <&UIC0>;
  79                         interrupts = <
  80                                 0xb 0x4 /* TXEOB */
  81                                 0xc 0x4 /* RXEOB */
  82                                 0xa 0x4 /* SERR */
  83                                 0xd 0x4 /* TXDE */
  84                                 0xe 0x4 /* RXDE */>;
  85                 };
  86
  87                 POB0: opb {
  88                         compatible = "ibm,opb-405ep", "ibm,opb";
  89                         #address-cells = <1>;
  90                         #size-cells = <1>;
  91                         ranges = <0xef600000 0xef600000 0x00a00000>;
  92                         dcr-reg = <0x0a0 0x005>;
  93                         clock-frequency = <0>; /* Filled in by zImage */
  94
  95                         /* Hotfoot has UART0/UART1 swapped */
  96
  97                         UART0: serial@ef600400 {
  98                                 device_type = "serial";
  99                                 compatible = "ns16550";
 100                                 reg = <0xef600400 0x00000008>;
 101                                 virtual-reg = <0xef600400>;
 102                                 clock-frequency = <0>; /* Filled in by zImage */
 103                                 current-speed = <0x9600>;
 104                                 interrupt-parent = <&UIC0>;
 105                                 interrupts = <0x1 0x4>;
 106                         };
 107
 108                         UART1: serial@ef600300 {
 109                                 device_type = "serial";
 110                                 compatible = "ns16550";
 111                                 reg = <0xef600300 0x00000008>;
 112                                 virtual-reg = <0xef600300>;
 113                                 clock-frequency = <0>; /* Filled in by zImage */
 114                                 current-speed = <0x9600>;
 115                                 interrupt-parent = <&UIC0>;
 116                                 interrupts = <0x0 0x4>;
 117                         };
 118
 119                         IIC: i2c@ef600500 {
 120                                 #address-cells = <1>;
 121                                 #size-cells = <0>;
 122                                 compatible = "ibm,iic-405ep", "ibm,iic";
 123                                 reg = <0xef600500 0x00000011>;
 124                                 interrupt-parent = <&UIC0>;
 125                                 interrupts = <0x2 0x4>;
 126
 127                                 rtc@68 {
 128                                         /* Actually a DS1339 */
 129                                         compatible = "dallas,ds1307";
 130                                         reg = <0x68>;
 131                                 };
 132
 133                                 temp@4a {
 134                                         /* Not present on all boards */
 135                                         compatible = "national,lm75";
 136                                         reg = <0x4a>;
 137                                 };
 138                         };
 139
 140                         GPIO: gpio@ef600700 {
 141                                 #gpio-cells = <2>;
 142                                 compatible = "ibm,ppc4xx-gpio";
 143                                 reg = <0xef600700 0x00000020>;
 144                                 gpio-controller;
 145                         };
 146
 147                         gpio-leds {
 148                                 compatible = "gpio-leds";
 149                                 status {
 150                                         label = "Status";
 151                                         gpios = <&GPIO 1 0>;
 152                                 };
 153                                 radiorx {
 154                                         label = "Rx";
 155                                         gpios = <&GPIO 0xe 0>;
 156                                 };
 157                         };
 158
 159                         EMAC0: ethernet@ef600800 {
 160                                 linux,network-index = <0x0>;
 161                                 device_type = "network";
 162                                 compatible = "ibm,emac-405ep", "ibm,emac";
 163                                 interrupt-parent = <&UIC0>;
 164                                 interrupts = <
 165                                         0xf 0x4 /* Ethernet */
 166                                         0x9 0x4 /* Ethernet Wake Up */>;
 167                                 local-mac-address = [000000000000]; /* Filled in by zImage */
 168                                 reg = <0xef600800 0x00000070>;
 169                                 mal-device = <&MAL>;
 170                                 mal-tx-channel = <0>;
 171                                 mal-rx-channel = <0>;
 172                                 cell-index = <0>;
 173                                 max-frame-size = <0x5dc>;
 174                                 rx-fifo-size = <0x1000>;
 175                                 tx-fifo-size = <0x800>;
 176                                 phy-mode = "mii";
 177                                 phy-map = <0x00000000>;
 178                         };
 179
 180                         EMAC1: ethernet@ef600900 {
 181                                 linux,network-index = <0x1>;
 182                                 device_type = "network";
 183                                 compatible = "ibm,emac-405ep", "ibm,emac";
 184                                 interrupt-parent = <&UIC0>;
 185                                 interrupts = <
 186                                         0x11 0x4 /* Ethernet */
 187                                         0x9 0x4 /* Ethernet Wake Up */>;
 188                                 local-mac-address = [000000000000]; /* Filled in by zImage */
 189                                 reg = <0xef600900 0x00000070>;
 190                                 mal-device = <&MAL>;
 191                                 mal-tx-channel = <2>;
 192                                 mal-rx-channel = <1>;
 193                                 cell-index = <1>;
 194                                 max-frame-size = <0x5dc>;
 195                                 rx-fifo-size = <0x1000>;
 196                                 tx-fifo-size = <0x800>;
 197                                 mdio-device = <&EMAC0>;
 198                                 phy-mode = "mii";
 199                                 phy-map = <0x0000001>;
 200                         };
 201                 };
 202
 203                 EBC0: ebc {
 204                         compatible = "ibm,ebc-405ep", "ibm,ebc";
 205                         dcr-reg = <0x012 0x002>;
 206                         #address-cells = <2>;
 207                         #size-cells = <1>;
 208
 209                         /* The ranges property is supplied by the bootwrapper
 210                          * and is based on the firmware's configuration of the
 211                          * EBC bridge
 212                          */
 213                         clock-frequency = <0>; /* Filled in by zImage */
 214
 215                         nor_flash@0 {
 216                                 compatible = "cfi-flash";
 217                                 bank-width = <2>;
 218                                 reg = <0x0 0xff800000 0x00800000>;
 219                                 #address-cells = <1>;
 220                                 #size-cells = <1>;
 221
 222                                 /* This mapping is for the 8M flash
 223                                    4M flash has all ofssets -= 4M,
 224                                    and FeatFS partition is not present */
 225                                 partition@0 {
 226                                         label = "Bootloader";
 227                                         reg = <0x7c0000 0x40000>;
 228                                         /* read-only; */
 229                                 };
 230                                 partition@1 {
 231                                         label = "Env_and_Config_Primary";
 232                                         reg = <0x400000 0x10000>;
 233                                 };
 234                                 partition@2 {
 235                                         label = "Kernel";
 236                                         reg = <0x420000 0x100000>;
 237                                 };
 238                                 partition@3 {
 239                                         label = "Filesystem";
 240                                         reg = <0x520000 0x2a0000>;
 241                                 };
 242                                 partition@4 {
 243                                         label = "Env_and_Config_Secondary";
 244                                         reg = <0x410000 0x10000>;
 245                                 };
 246                                 partition@5 {
 247                                         label = "FeatFS";
 248                                         reg = <0x000000 0x400000>;
 249                                 };
 250                                 partition@6 {
 251                                         label = "Bootloader_Env";
 252                                         reg = <0x7d0000 0x10000>;
 253                                 };
 254                         };
 255                 };
 256
 257                 PCI0: pci@ec000000 {
 258                         device_type = "pci";
 259                         #interrupt-cells = <1>;
 260                         #size-cells = <2>;
 261                         #address-cells = <3>;
 262                         compatible = "ibm,plb405ep-pci", "ibm,plb-pci";
 263                         primary;
 264                         reg = <0xeec00000 0x00000008    /* Config space access */
 265                                 0xeed80000 0x00000004    /* IACK */
 266                                 0xeed80000 0x00000004    /* Special cycle */
 267                                 0xef480000 0x00000040>;  /* Internal registers */
 268
 269                         /* Outbound ranges, one memory and one IO,
 270                          * later cannot be changed. Chip supports a second
 271                          * IO range but we don't use it for now
 272                          */
 273                         ranges = <0x02000000 0x00000000 0x80000000 0x80000000 0x00000000 0x20000000
 274                                 0x01000000 0x00000000 0x00000000 0xe8000000 0x00000000 0x00010000>;
 275
 276                         /* Inbound 2GB range starting at 0 */
 277                         dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x80000000>;
 278
 279                         interrupt-parent = <&UIC0>;
 280                         interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
 281                         interrupt-map = <
 282                                 /* IDSEL 3 -- slot1 (optional) 27/29 A/B IRQ2/4 */
 283                                 0x1800 0x0 0x0 0x1 &UIC0 0x1b 0x8
 284                                 0x1800 0x0 0x0 0x2 &UIC0 0x1d 0x8
 285
 286                                 /* IDSEL 4 -- slot0, 26/28 A/B IRQ1/3 */
 287                                 0x2000 0x0 0x0 0x1 &UIC0 0x1a 0x8
 288                                 0x2000 0x0 0x0 0x2 &UIC0 0x1c 0x8
 289                                 >;
 290                 };
 291         };
 292
 293         chosen {
 294                 stdout-path = &UART0;
 295         };
 296 };