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 / {
  13         #address-cells = <2>;
  14         #size-cells = <1>;
  15         model = "amcc,bamboo";
  16         compatible = "amcc,bamboo";
  17         dcr-parent = <&/cpus/cpu@0>;
  18
  19         aliases {
  20                 serial0 = &UART0;
  21                 serial1 = &UART1;
  22         };
  23
  24         cpus {
  25                 #address-cells = <1>;
  26                 #size-cells = <0>;
  27
  28                 cpu@0 {
  29                         device_type = "cpu";
  30                         model = "PowerPC,440EP";
  31                         reg = <0>;
  32                         clock-frequency = <1fca0550>;
  33                         timebase-frequency = <017d7840>;
  34                         i-cache-line-size = <20>;
  35                         d-cache-line-size = <20>;
  36                         i-cache-size = <8000>;
  37                         d-cache-size = <8000>;
  38                         dcr-controller;
  39                         dcr-access-method = "native";
  40                 };
  41         };
  42
  43         memory {
  44                 device_type = "memory";
  45                 reg = <0 0 9000000>;
  46         };
  47
  48         UIC0: interrupt-controller0 {
  49                 compatible = "ibm,uic-440ep","ibm,uic";
  50                 interrupt-controller;
  51                 cell-index = <0>;
  52                 dcr-reg = <0c0 009>;
  53                 #address-cells = <0>;
  54                 #size-cells = <0>;
  55                 #interrupt-cells = <2>;
  56         };
  57 /*
  58         UIC1: interrupt-controller1 {
  59                 compatible = "ibm,uic-440ep","ibm,uic";
  60                 interrupt-controller;
  61                 cell-index = <1>;
  62                 dcr-reg = <0d0 009>;
  63                 #address-cells = <0>;
  64                 #size-cells = <0>;
  65                 #interrupt-cells = <2>;
  66                 interrupts = <1e 4 1f 4>;
  67                 interrupt-parent = <&UIC0>;
  68         };
  69 */
  70
  71         SDR0: sdr {
  72                 compatible = "ibm,sdr-440ep";
  73                 dcr-reg = <00e 002>;
  74         };
  75
  76         CPR0: cpr {
  77                 compatible = "ibm,cpr-440ep";
  78                 dcr-reg = <00c 002>;
  79         };
  80
  81         plb {
  82                 compatible = "ibm,plb-440ep", "ibm,plb-440gp", "ibm,plb4";
  83                 #address-cells = <2>;
  84                 #size-cells = <1>;
  85                 ranges;
  86                 clock-frequency = <07f28154>;
  87
  88                 SDRAM0: sdram {
  89                         compatible = "ibm,sdram-440ep", "ibm,sdram-405gp";
  90                         dcr-reg = <010 2>;
  91                 };
  92
  93                 DMA0: dma {
  94                         compatible = "ibm,dma-440ep", "ibm,dma-440gp";
  95                         dcr-reg = <100 027>;
  96                 };
  97
  98                 POB0: opb {
  99                         compatible = "ibm,opb-440ep", "ibm,opb-440gp", "ibm,opb";
 100                         #address-cells = <1>;
 101                         #size-cells = <1>;
 102                         /* Bamboo is oddball in the 44x world and doesn't use the ERPN
 103                          * bits.
 104                          */
 105                         ranges = <00000000 0 00000000 80000000
 106                                   80000000 0 80000000 80000000>;
 107                         /* interrupt-parent = <&UIC1>; */
 108                         interrupts = <7 4>;
 109                         clock-frequency = <03f940aa>;
 110
 111                         EBC0: ebc {
 112                                 compatible = "ibm,ebc-440ep", "ibm,ebc-440gp", "ibm,ebc";
 113                                 dcr-reg = <012 2>;
 114                                 #address-cells = <2>;
 115                                 #size-cells = <1>;
 116                                 clock-frequency = <03f940aa>;
 117                                 interrupts = <5 1>;
 118                         /* interrupt-parent = <&UIC1>; */
 119                         };
 120
 121                         UART0: serial@ef600300 {
 122                                 device_type = "serial";
 123                                 compatible = "ns16550";
 124                                 reg = <ef600300 8>;
 125                                 virtual-reg = <ef600300>;
 126                                 clock-frequency = <00a8c000>;
 127                                 current-speed = <1c200>;
 128                                 interrupt-parent = <&UIC0>;
 129                                 interrupts = <0 4>;
 130                         };
 131
 132                         UART1: serial@ef600400 {
 133                                 device_type = "serial";
 134                                 compatible = "ns16550";
 135                                 reg = <ef600400 8>;
 136                                 virtual-reg = <ef600400>;
 137                                 clock-frequency = <00a8c000>;
 138                                 current-speed = <0>;
 139                                 interrupt-parent = <&UIC0>;
 140                                 interrupts = <1 4>;
 141                         };
 142 /*
 143                         UART2: serial@ef600500 {
 144                                 device_type = "serial";
 145                                 compatible = "ns16550";
 146                                 reg = <ef600500 8>;
 147                                 virtual-reg = <ef600500>;
 148                                 clock-frequency = <0>;
 149                                 current-speed = <0>;
 150                                 interrupt-parent = <&UIC0>;
 151                                 interrupts = <3 4>;
 152                         };
 153
 154                         UART3: serial@ef600600 {
 155                                 device_type = "serial";
 156                                 compatible = "ns16550";
 157                                 reg = <ef600600 8>;
 158                                 virtual-reg = <ef600600>;
 159                                 clock-frequency = <0>;
 160                                 current-speed = <0>;
 161                                 interrupt-parent = <&UIC0>;
 162                                 interrupts = <4 4>;
 163                         };
 164
 165 */
 166                         IIC0: i2c@ef600700 {
 167                                 device_type = "i2c";
 168                                 compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
 169                                 reg = <ef600700 14>;
 170                                 interrupt-parent = <&UIC0>;
 171                                 interrupts = <2 4>;
 172                         };
 173
 174                         IIC1: i2c@ef600800 {
 175                                 device_type = "i2c";
 176                                 compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
 177                                 reg = <ef600800 14>;
 178                                 interrupt-parent = <&UIC0>;
 179                                 interrupts = <7 4>;
 180                         };
 181
 182                         ZMII0: emac-zmii@ef600d00 {
 183                                 device_type = "zmii-interface";
 184                                 compatible = "ibm,zmii-440ep", "ibm,zmii-440gp", "ibm,zmii";
 185                                 reg = <ef600d00 c>;
 186                         };
 187
 188                 };
 189
 190                 PCI0: pci@ec000000 {
 191                         device_type = "pci";
 192                         #interrupt-cells = <1>;
 193                         #size-cells = <2>;
 194                         #address-cells = <3>;
 195                         compatible = "ibm,plb440ep-pci", "ibm,plb-pci";
 196                         primary;
 197                         reg = <0 eec00000 8     /* Config space access */
 198                                0 eed00000 4     /* IACK */
 199                                0 eed00000 4     /* Special cycle */
 200                                0 ef400000 40>;  /* Internal registers */
 201
 202                         /* Outbound ranges, one memory and one IO,
 203                          * later cannot be changed. Chip supports a second
 204                          * IO range but we don't use it for now
 205                          */
 206                         ranges = <02000000 0 a0000000 0 a0000000 0 20000000
 207                                   01000000 0 00000000 0 e8000000 0 00010000>;
 208
 209                         /* Inbound 2GB range starting at 0 */
 210                         dma-ranges = <42000000 0 0 0 0 0 80000000>;
 211
 212                         /* Bamboo has all 4 IRQ pins tied together per slot */
 213                         interrupt-map-mask = <f800 0 0 0>;
 214                         interrupt-map = <
 215                                 /* IDSEL 1 */
 216                                 0800 0 0 0 &UIC0 1c 8
 217
 218                                 /* IDSEL 2 */
 219                                 1000 0 0 0 &UIC0 1b 8
 220
 221                                 /* IDSEL 3 */
 222                                 1800 0 0 0 &UIC0 1a 8
 223
 224                                 /* IDSEL 4 */
 225                                 2000 0 0 0 &UIC0 19 8
 226                         >;
 227                 };
 228
 229         };
 230
 231         chosen {
 232                 linux,stdout-path = "/plb/opb/serial@ef600300";
 233         };
 234 };