kernel/arch/powerpc/boot/dts/sbc8548-altflash.dts

   1 /*
   2  * SBC8548 Device Tree Source
   3  *
   4  * Configured for booting off the alternate (64MB SODIMM) flash.
   5  * Requires switching JP12 jumpers and changing SW2.8 setting.
   6  *
   7  * Copyright 2013 Wind River Systems Inc.
   8  *
   9  * Paul Gortmaker (see MAINTAINERS for contact information)
  10  *
  11  * This program is free software; you can redistribute  it and/or modify it
  12  * under  the terms of  the GNU General  Public License as published by the
  13  * Free Software Foundation;  either version 2 of the  License, or (at your
  14  * option) any later version.
  15  */
  16
  17
  18 /dts-v1/;
  19
  20 /include/ "sbc8548-pre.dtsi"
  21
  22 /{
  23         localbus@e0000000 {
  24                 #address-cells = <2>;
  25                 #size-cells = <1>;
  26                 compatible = "simple-bus";
  27                 reg = <0xe0000000 0x5000>;
  28                 interrupt-parent = <&mpic>;
  29
  30                 ranges = <0x0 0x0 0xfc000000 0x04000000         /*64MB Flash*/
  31                           0x3 0x0 0xf0000000 0x04000000         /*64MB SDRAM*/
  32                           0x4 0x0 0xf4000000 0x04000000         /*64MB SDRAM*/
  33                           0x5 0x0 0xf8000000 0x00b10000         /* EPLD */
  34                           0x6 0x0 0xef800000 0x00800000>;       /*8MB Flash*/
  35
  36                 flash@0,0 {
  37                         #address-cells = <1>;
  38                         #size-cells = <1>;
  39                         reg = <0x0 0x0 0x04000000>;
  40                         compatible = "intel,JS28F128", "cfi-flash";
  41                         bank-width = <4>;
  42                         device-width = <1>;
  43                         partition@0x0 {
  44                                 label = "space";
  45                                 /* FC000000 -> FFEFFFFF */
  46                                 reg = <0x00000000 0x03f00000>;
  47                         };
  48                         partition@0x03f00000 {
  49                                 label = "bootloader";
  50                                 /* FFF00000 -> FFFFFFFF */
  51                                 reg = <0x03f00000 0x00100000>;
  52                                 read-only;
  53                         };
  54                 };
  55
  56
  57                 epld@5,0 {
  58                         compatible = "wrs,epld-localbus";
  59                         #address-cells = <2>;
  60                         #size-cells = <1>;
  61                         reg = <0x5 0x0 0x00b10000>;
  62                         ranges = <
  63                                 0x0 0x0 0x5 0x000000 0x1fff     /* LED */
  64                                 0x1 0x0 0x5 0x100000 0x1fff     /* Switches */
  65                                 0x3 0x0 0x5 0x300000 0x1fff     /* HW Rev. */
  66                                 0xb 0x0 0x5 0xb00000 0x1fff     /* EEPROM */
  67                         >;
  68
  69                         led@0,0 {
  70                                 compatible = "led";
  71                                 reg = <0x0 0x0 0x1fff>;
  72                         };
  73
  74                         switches@1,0 {
  75                                 compatible = "switches";
  76                                 reg = <0x1 0x0 0x1fff>;
  77                         };
  78
  79                         hw-rev@3,0 {
  80                                 compatible = "hw-rev";
  81                                 reg = <0x3 0x0 0x1fff>;
  82                         };
  83
  84                         eeprom@b,0 {
  85                                 compatible = "eeprom";
  86                                 reg = <0xb 0 0x1fff>;
  87                         };
  88
  89                 };
  90
  91                 alt-flash@6,0 {
  92                         #address-cells = <1>;
  93                         #size-cells = <1>;
  94                         compatible = "intel,JS28F640", "cfi-flash";
  95                         reg = <0x6 0x0 0x800000>;
  96                         bank-width = <1>;
  97                         device-width = <1>;
  98                         partition@0x0 {
  99                                 label = "space";
 100                                 /* EF800000 -> EFF9FFFF */
 101                                 reg = <0x00000000 0x007a0000>;
 102                         };
 103                         partition@0x7a0000 {
 104                                 label = "bootloader";
 105                                 /* EFFA0000 -> EFFFFFFF */
 106                                 reg = <0x007a0000 0x00060000>;
 107                                 read-only;
 108                         };
 109                 };
 110
 111
 112         };
 113 };
 114
 115 /include/ "sbc8548-post.dtsi"