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

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * SBC8548 Device Tree Source
   4  *
   5  * Configured for booting off the alternate (64MB SODIMM) flash.
   6  * Requires switching JP12 jumpers and changing SW2.8 setting.
   7  *
   8  * Copyright 2013 Wind River Systems Inc.
   9  *
  10  * Paul Gortmaker (see MAINTAINERS for contact information)
  11  */
  12
  13
  14 /dts-v1/;
  15
  16 /include/ "sbc8548-pre.dtsi"
  17
  18 /{
  19         localbus@e0000000 {
  20                 #address-cells = <2>;
  21                 #size-cells = <1>;
  22                 compatible = "simple-bus";
  23                 reg = <0xe0000000 0x5000>;
  24                 interrupt-parent = <&mpic>;
  25
  26                 ranges = <0x0 0x0 0xfc000000 0x04000000         /*64MB Flash*/
  27                           0x3 0x0 0xf0000000 0x04000000         /*64MB SDRAM*/
  28                           0x4 0x0 0xf4000000 0x04000000         /*64MB SDRAM*/
  29                           0x5 0x0 0xf8000000 0x00b10000         /* EPLD */
  30                           0x6 0x0 0xef800000 0x00800000>;       /*8MB Flash*/
  31
  32                 flash@0,0 {
  33                         #address-cells = <1>;
  34                         #size-cells = <1>;
  35                         reg = <0x0 0x0 0x04000000>;
  36                         compatible = "intel,JS28F128", "cfi-flash";
  37                         bank-width = <4>;
  38                         device-width = <1>;
  39                         partition@0 {
  40                                 label = "space";
  41                                 /* FC000000 -> FFEFFFFF */
  42                                 reg = <0x00000000 0x03f00000>;
  43                         };
  44                         partition@3f00000 {
  45                                 label = "bootloader";
  46                                 /* FFF00000 -> FFFFFFFF */
  47                                 reg = <0x03f00000 0x00100000>;
  48                                 read-only;
  49                         };
  50                 };
  51
  52
  53                 epld@5,0 {
  54                         compatible = "wrs,epld-localbus";
  55                         #address-cells = <2>;
  56                         #size-cells = <1>;
  57                         reg = <0x5 0x0 0x00b10000>;
  58                         ranges = <
  59                                 0x0 0x0 0x5 0x000000 0x1fff     /* LED */
  60                                 0x1 0x0 0x5 0x100000 0x1fff     /* Switches */
  61                                 0x3 0x0 0x5 0x300000 0x1fff     /* HW Rev. */
  62                                 0xb 0x0 0x5 0xb00000 0x1fff     /* EEPROM */
  63                         >;
  64
  65                         led@0,0 {
  66                                 compatible = "led";
  67                                 reg = <0x0 0x0 0x1fff>;
  68                         };
  69
  70                         switches@1,0 {
  71                                 compatible = "switches";
  72                                 reg = <0x1 0x0 0x1fff>;
  73                         };
  74
  75                         hw-rev@3,0 {
  76                                 compatible = "hw-rev";
  77                                 reg = <0x3 0x0 0x1fff>;
  78                         };
  79
  80                         eeprom@b,0 {
  81                                 compatible = "eeprom";
  82                                 reg = <0xb 0 0x1fff>;
  83                         };
  84
  85                 };
  86
  87                 alt-flash@6,0 {
  88                         #address-cells = <1>;
  89                         #size-cells = <1>;
  90                         compatible = "intel,JS28F640", "cfi-flash";
  91                         reg = <0x6 0x0 0x800000>;
  92                         bank-width = <1>;
  93                         device-width = <1>;
  94                         partition@0 {
  95                                 label = "space";
  96                                 /* EF800000 -> EFF9FFFF */
  97                                 reg = <0x00000000 0x007a0000>;
  98                         };
  99                         partition@7a0000 {
 100                                 label = "bootloader";
 101                                 /* EFFA0000 -> EFFFFFFF */
 102                                 reg = <0x007a0000 0x00060000>;
 103                                 read-only;
 104                         };
 105                 };
 106
 107
 108         };
 109 };
 110
 111 /include/ "sbc8548-post.dtsi"