arch/arm/mach-uniphier/boards.c

   1 /*
   2  * Copyright (C) 2015-2016 Socionext Inc.
   3  *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <libfdt.h>
  10 #include <linux/kernel.h>
  11
  12 #include "init.h"
  13
  14 DECLARE_GLOBAL_DATA_PTR;
  15
  16 #if defined(CONFIG_ARCH_UNIPHIER_LD4)
  17 static const struct uniphier_board_data uniphier_ld4_data = {
  18         .dram_freq = 1600,
  19         .dram_ch[0] = {
  20                 .size = 0x10000000,
  21                 .width = 16,
  22         },
  23         .dram_ch[1] = {
  24                 .size = 0x10000000,
  25                 .width = 16,
  26         },
  27         .flags = UNIPHIER_BD_DDR3PLUS,
  28 };
  29 #endif
  30
  31 #if defined(CONFIG_ARCH_UNIPHIER_PRO4)
  32 /* 1GB RAM board */
  33 static const struct uniphier_board_data uniphier_pro4_data = {
  34         .dram_freq = 1600,
  35         .dram_ch[0] = {
  36                 .size = 0x20000000,
  37                 .width = 32,
  38         },
  39         .dram_ch[1] = {
  40                 .size = 0x20000000,
  41                 .width = 32,
  42         },
  43 };
  44
  45 /* 2GB RAM board */
  46 static const struct uniphier_board_data uniphier_pro4_2g_data = {
  47         .dram_freq = 1600,
  48         .dram_ch[0] = {
  49                 .size = 0x40000000,
  50                 .width = 32,
  51         },
  52         .dram_ch[1] = {
  53                 .size = 0x40000000,
  54                 .width = 32,
  55         },
  56 };
  57 #endif
  58
  59 #if defined(CONFIG_ARCH_UNIPHIER_SLD8)
  60 static const struct uniphier_board_data uniphier_sld8_data = {
  61         .dram_freq = 1333,
  62         .dram_ch[0] = {
  63                 .size = 0x10000000,
  64                 .width = 16,
  65         },
  66         .dram_ch[1] = {
  67                 .size = 0x10000000,
  68                 .width = 16,
  69         },
  70         .flags = UNIPHIER_BD_DDR3PLUS,
  71 };
  72 #endif
  73
  74 #if defined(CONFIG_ARCH_UNIPHIER_PRO5)
  75 static const struct uniphier_board_data uniphier_pro5_data = {
  76         .dram_freq = 1866,
  77         .dram_ch[0] = {
  78                 .size = 0x20000000,
  79                 .width = 32,
  80         },
  81         .dram_ch[1] = {
  82                 .size = 0x20000000,
  83                 .width = 32,
  84         },
  85 };
  86 #endif
  87
  88 #if defined(CONFIG_ARCH_UNIPHIER_PXS2)
  89 static const struct uniphier_board_data uniphier_pxs2_data = {
  90         .dram_freq = 2133,
  91         .dram_ch[0] = {
  92                 .size = 0x40000000,
  93                 .width = 32,
  94         },
  95         .dram_ch[1] = {
  96                 .size = 0x20000000,
  97                 .width = 32,
  98         },
  99         .dram_ch[2] = {
 100                 .size = 0x20000000,
 101                 .width = 16,
 102         },
 103 };
 104 #endif
 105
 106 #if defined(CONFIG_ARCH_UNIPHIER_LD6B)
 107 static const struct uniphier_board_data uniphier_ld6b_data = {
 108         .dram_freq = 1866,
 109         .dram_ch[0] = {
 110                 .size = 0x40000000,
 111                 .width = 32,
 112         },
 113         .dram_ch[1] = {
 114                 .size = 0x20000000,
 115                 .width = 32,
 116         },
 117         .dram_ch[2] = {
 118                 .size = 0x20000000,
 119                 .width = 16,
 120         },
 121 };
 122 #endif
 123
 124 struct uniphier_board_id {
 125         const char *compatible;
 126         const struct uniphier_board_data *param;
 127 };
 128
 129 static const struct uniphier_board_id uniphier_boards[] = {
 130 #if defined(CONFIG_ARCH_UNIPHIER_LD4)
 131         { "socionext,uniphier-ld4", &uniphier_ld4_data, },
 132 #endif
 133 #if defined(CONFIG_ARCH_UNIPHIER_PRO4)
 134         { "socionext,uniphier-pro4-ace", &uniphier_pro4_2g_data, },
 135         { "socionext,uniphier-pro4-sanji", &uniphier_pro4_2g_data, },
 136         { "socionext,uniphier-pro4", &uniphier_pro4_data, },
 137 #endif
 138 #if defined(CONFIG_ARCH_UNIPHIER_SLD8)
 139         { "socionext,uniphier-sld8", &uniphier_sld8_data, },
 140 #endif
 141 #if defined(CONFIG_ARCH_UNIPHIER_PRO5)
 142         { "socionext,uniphier-pro5", &uniphier_pro5_data, },
 143 #endif
 144 #if defined(CONFIG_ARCH_UNIPHIER_PXS2)
 145         { "socionext,uniphier-pxs2", &uniphier_pxs2_data, },
 146 #endif
 147 #if defined(CONFIG_ARCH_UNIPHIER_LD6B)
 148         { "socionext,uniphier-ld6b", &uniphier_ld6b_data, },
 149 #endif
 150 };
 151
 152 const struct uniphier_board_data *uniphier_get_board_param(void)
 153 {
 154         int i;
 155
 156         for (i = 0; i < ARRAY_SIZE(uniphier_boards); i++) {
 157                 if (!fdt_node_check_compatible(gd->fdt_blob, 0,
 158                                                uniphier_boards[i].compatible))
 159                         return uniphier_boards[i].param;
 160         }
 161
 162         return NULL;
 163 }