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 } 131