pc-bios/bamboo.dts

   1 /*
   2  * Device Tree Source for AMCC Bamboo
   3  *
   4  * Copyright (c) 2006, 2007 IBM Corp.
   5  * Josh Boyer <jwboyer@linux.vnet.ibm.com>
   6  *
   7  * This file is licensed under the terms of the GNU General Public
   8  * License version 2.  This program is licensed "as is" without
   9  * any warranty of any kind, whether express or implied.
  10  */
  11
  12 /dts-v1/;
  13
  14 / {
  15         #address-cells = <2>;
  16         #size-cells = <1>;
  17         model = "amcc,bamboo";
  18         compatible = "amcc,bamboo";
  19         dcr-parent = <&{/cpus/cpu@0}>;
  20
  21         aliases {
  22                 serial0 = &UART0;
  23                 serial1 = &UART1;
  24         };
  25
  26         cpus {
  27                 #address-cells = <1>;
  28                 #size-cells = <0>;
  29
  30                 cpu@0 {
  31                         device_type = "cpu";
  32                         model = "PowerPC,440EP";
  33                         reg = <0>;
  34                         clock-frequency = <0x1fca0550>;
  35                         timebase-frequency = <0x017d7840>;
  36                         i-cache-line-size = <0x20>;
  37                         d-cache-line-size = <0x20>;
  38                         i-cache-size = <0x8000>;
  39                         d-cache-size = <0x8000>;
  40                         dcr-controller;
  41                         dcr-access-method = "native";
  42                 };
  43         };
  44
  45         memory {
  46                 device_type = "memory";
  47                 reg = <0x0 0x0 0x9000000>;
  48         };
  49
  50         UIC0: interrupt-controller0 {
  51                 compatible = "ibm,uic-440ep","ibm,uic";
  52                 interrupt-controller;
  53                 cell-index = <0x0>;
  54                 dcr-reg = <0x0c0 0x009>;
  55                 #address-cells = <0x0>;
  56                 #size-cells = <0x0>;
  57                 #interrupt-cells = <0x2>;
  58         };
  59
  60         SDR0: sdr {
  61                 compatible = "ibm,sdr-440ep";
  62                 dcr-reg = <0x00e 0x002>;
  63         };
  64
  65         CPR0: cpr {
  66                 compatible = "ibm,cpr-440ep";
  67                 dcr-reg = <0x00c 0x002>;
  68         };
  69
  70         plb {
  71                 compatible = "ibm,plb-440ep", "ibm,plb-440gp", "ibm,plb4";
  72                 #address-cells = <2>;
  73                 #size-cells = <1>;
  74                 ranges;
  75                 clock-frequency = <0x07f28154>;
  76
  77                 SDRAM0: sdram {
  78                         compatible = "ibm,sdram-440ep", "ibm,sdram-405gp";
  79                         dcr-reg = <0x010 0x2>;
  80                 };
  81
  82                 DMA0: dma {
  83                         compatible = "ibm,dma-440ep", "ibm,dma-440gp";
  84                         dcr-reg = <0x100 0x027>;
  85                 };
  86
  87                 POB0: opb {
  88                         compatible = "ibm,opb-440ep", "ibm,opb-440gp", "ibm,opb";
  89                         #address-cells = <1>;
  90                         #size-cells = <1>;
  91                         /* Bamboo is oddball in the 44x world and doesn't use the ERPN
  92                          * bits.
  93                          */
  94                         ranges = <0x00000000 0x0 0x00000000 0x80000000
  95                                   0x80000000 0x0 0x80000000 0x80000000>;
  96                         /* interrupt-parent = <&UIC1>; */
  97                         interrupts = <7 4>;
  98                         clock-frequency = <0x03f940aa>;
  99
 100                         EBC0: ebc {
 101                                 compatible = "ibm,ebc-440ep", "ibm,ebc-440gp", "ibm,ebc";
 102                                 dcr-reg = <0x012 2>;
 103                                 #address-cells = <2>;
 104                                 #size-cells = <1>;
 105                                 clock-frequency = <0x03f940aa>;
 106                                 interrupts = <5 1>;
 107                         /* interrupt-parent = <&UIC1>; */
 108                         };
 109
 110                         UART0: serial@ef600300 {
 111                                 device_type = "serial";
 112                                 compatible = "ns16550";
 113                                 reg = <0xef600300 8>;
 114                                 virtual-reg = <0xef600300>;
 115                                 clock-frequency = <0x00a8c000>;
 116                                 current-speed = <0x1c200>;
 117                                 interrupt-parent = <&UIC0>;
 118                                 interrupts = <0 4>;
 119                         };
 120
 121                         UART1: serial@ef600400 {
 122                                 device_type = "serial";
 123                                 compatible = "ns16550";
 124                                 reg = <0xef600400 8>;
 125                                 virtual-reg = <0xef600400>;
 126                                 clock-frequency = <0x00a8c000>;
 127                                 current-speed = <0>;
 128                                 interrupt-parent = <&UIC0>;
 129                                 interrupts = <1 4>;
 130                         };
 131
 132                         IIC0: i2c@ef600700 {
 133                                 device_type = "i2c";
 134                                 compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
 135                                 reg = <0xef600700 0x14>;
 136                                 interrupt-parent = <&UIC0>;
 137                                 interrupts = <2 4>;
 138                         };
 139
 140                         IIC1: i2c@ef600800 {
 141                                 device_type = "i2c";
 142                                 compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
 143                                 reg = <0xef600800 14>;
 144                                 interrupt-parent = <&UIC0>;
 145                                 interrupts = <7 4>;
 146                         };
 147
 148                         ZMII0: emac-zmii@ef600d00 {
 149                                 device_type = "zmii-interface";
 150                                 compatible = "ibm,zmii-440ep", "ibm,zmii-440gp", "ibm,zmii";
 151                                 reg = <0xef600d00 0xc>;
 152                         };
 153
 154                 };
 155
 156                 PCI0: pci@ec000000 {
 157                         device_type = "pci";
 158                         #interrupt-cells = <1>;
 159                         #size-cells = <2>;
 160                         #address-cells = <3>;
 161                         compatible = "ibm,plb440ep-pci", "ibm,plb-pci";
 162                         primary;
 163                         reg = <0 0xeec00000 8     /* Config space access */
 164                                0 0xeed00000 4     /* IACK */
 165                                0 0xeed00000 4     /* Special cycle */
 166                                0 0xef400000 0x40>;  /* Internal registers */
 167
 168                         /* Outbound ranges, one memory and one IO,
 169                          * later cannot be changed. Chip supports a second
 170                          * IO range but we don't use it for now
 171                          */
 172                         ranges = <0x02000000 0 0xa0000000 0 0xa0000000 0 0x20000000
 173                                   0x01000000 0 0x00000000 0 0xe8000000 0 0x00010000>;
 174
 175                         /* Inbound 2GB range starting at 0 */
 176                         dma-ranges = <0x42000000 0 0 0 0 0 0x80000000>;
 177
 178                         /* Bamboo has all 4 IRQ pins tied together per slot */
 179                         interrupt-map-mask = <0xf800 0 0 0>;
 180                         interrupt-map = <
 181                                 /* IDSEL 1 */
 182                                 0x0800 0 0 0 &UIC0 0x1c 8
 183
 184                                 /* IDSEL 2 */
 185                                 0x1000 0 0 0 &UIC0 0x1b 8
 186
 187                                 /* IDSEL 3 */
 188                                 0x1800 0 0 0 &UIC0 0x1a 8
 189
 190                                 /* IDSEL 4 */
 191                                 0x2000 0 0 0 &UIC0 0x19 8
 192                         >;
 193                 };
 194
 195         };
 196
 197         chosen {
 198                 linux,stdout-path = "/plb/opb/serial@ef600300";
 199         };
 200 };