arch/arm/mach-uniphier/boards.c

   1 /*
   2  * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <libfdt.h>
   8 #include <linux/kernel.h>
   9 #include <mach/init.h>
  10
  11 #if defined(CONFIG_ARCH_UNIPHIER_PH1_SLD3)
  12 static const struct uniphier_board_data ph1_sld3_data = {
  13         .dram_ch0_base  = 0x80000000,
  14         .dram_ch0_size  = 0x20000000,
  15         .dram_ch0_width = 32,
  16         .dram_ch1_base  = 0xc0000000,
  17         .dram_ch1_size  = 0x20000000,
  18         .dram_ch1_width = 16,
  19         .dram_ch2_base  = 0xc0000000,
  20         .dram_ch2_size  = 0x10000000,
  21         .dram_ch2_width = 16,
  22         .dram_freq      = 1600,
  23 };
  24 #endif
  25
  26 #if defined(CONFIG_ARCH_UNIPHIER_PH1_LD4)
  27 static const struct uniphier_board_data ph1_ld4_data = {
  28         .dram_ch0_base  = 0x80000000,
  29         .dram_ch0_size  = 0x10000000,
  30         .dram_ch0_width = 16,
  31         .dram_ch1_base  = 0x90000000,
  32         .dram_ch1_size  = 0x10000000,
  33         .dram_ch1_width = 16,
  34         .dram_freq      = 1600,
  35 };
  36 #endif
  37
  38 #if defined(CONFIG_ARCH_UNIPHIER_PH1_PRO4)
  39 static const struct uniphier_board_data ph1_pro4_data = {
  40         .dram_ch0_base  = 0x80000000,
  41         .dram_ch0_size  = 0x20000000,
  42         .dram_ch0_width = 32,
  43         .dram_ch1_base  = 0xa0000000,
  44         .dram_ch1_size  = 0x20000000,
  45         .dram_ch1_width = 32,
  46         .dram_freq      = 1600,
  47 };
  48 #endif
  49
  50 #if defined(CONFIG_ARCH_UNIPHIER_PH1_SLD8)
  51 static const struct uniphier_board_data ph1_sld8_data = {
  52         .dram_ch0_base  = 0x80000000,
  53         .dram_ch0_size  = 0x10000000,
  54         .dram_ch0_width = 16,
  55         .dram_ch1_base  = 0x90000000,
  56         .dram_ch1_size  = 0x10000000,
  57         .dram_ch1_width = 16,
  58         .dram_freq      = 1333,
  59 };
  60 #endif
  61
  62 #if defined(CONFIG_ARCH_UNIPHIER_PH1_PRO5)
  63 static const struct uniphier_board_data ph1_pro5_data = {
  64         .dram_ch0_base  = 0x80000000,
  65         .dram_ch0_size  = 0x20000000,
  66         .dram_ch0_width = 32,
  67         .dram_ch1_base  = 0xa0000000,
  68         .dram_ch1_size  = 0x20000000,
  69         .dram_ch1_width = 32,
  70         .dram_freq      = 1866,
  71 };
  72 #endif
  73
  74 #if defined(CONFIG_ARCH_UNIPHIER_PROXSTREAM2) || \
  75         defined(CONFIG_ARCH_UNIPHIER_PH1_LD6B)
  76 static const struct uniphier_board_data proxstream2_data = {
  77         .dram_ch0_base  = 0x80000000,
  78         .dram_ch0_size  = 0x40000000,
  79         .dram_ch0_width = 32,
  80         .dram_ch1_base  = 0xc0000000,
  81         .dram_ch1_size  = 0x20000000,
  82         .dram_ch1_width = 32,
  83         .dram_ch2_base  = 0xe0000000,
  84         .dram_ch2_size  = 0x20000000,
  85         .dram_ch2_width = 16,
  86         .dram_freq      = 1866,
  87 };
  88 #endif
  89
  90 struct uniphier_board_id {
  91         const char *compatible;
  92         const struct uniphier_board_data *param;
  93 };
  94
  95 static const struct uniphier_board_id uniphier_boards[] = {
  96 #if defined(CONFIG_ARCH_UNIPHIER_PH1_SLD3)
  97         { "socionext,ph1-sld3", &ph1_sld3_data, },
  98 #endif
  99 #if defined(CONFIG_ARCH_UNIPHIER_PH1_LD4)
 100         { "socionext,ph1-ld4", &ph1_ld4_data, },
 101 #endif
 102 #if defined(CONFIG_ARCH_UNIPHIER_PH1_PRO4)
 103         { "socionext,ph1-pro4", &ph1_pro4_data, },
 104 #endif
 105 #if defined(CONFIG_ARCH_UNIPHIER_PH1_SLD8)
 106         { "socionext,ph1-sld8", &ph1_sld8_data, },
 107 #endif
 108 #if defined(CONFIG_ARCH_UNIPHIER_PH1_PRO5)
 109         { "socionext,ph1-pro5", &ph1_pro5_data, },
 110 #endif
 111 #if defined(CONFIG_ARCH_UNIPHIER_PROXSTREAM2)
 112         { "socionext,proxstream2", &proxstream2_data, },
 113 #endif
 114 #if defined(CONFIG_ARCH_UNIPHIER_PH1_LD6B)
 115         { "socionext,ph1-ld6b", &proxstream2_data, },
 116 #endif
 117 };
 118
 119 const struct uniphier_board_data *uniphier_get_board_param(const void *fdt)
 120 {
 121         int i;
 122
 123         for (i = 0; i < ARRAY_SIZE(uniphier_boards); i++) {
 124                 if (!fdt_node_check_compatible(fdt, 0,
 125                                                uniphier_boards[i].compatible))
 126                         return uniphier_boards[i].param;
 127         }
 128
 129         return NULL;
 130 }