1 /* 2 * Copyright (C) 2005 Nokia Corporation 3 * Author: Paul Mundt <paul.mundt@nokia.com> 4 * 5 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ 6 * 7 * Modified from the original mach-omap/omap2/board-generic.c did by Paul 8 * to support the OMAP2+ device tree boards with an unique board file. 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License version 2 as 12 * published by the Free Software Foundation. 13 */ 14 #include <linux/io.h> 15 #include <linux/of_irq.h> 16 #include <linux/of_platform.h> 17 #include <linux/irqdomain.h> 18 #include <linux/clk.h> 19 20 #include <asm/mach/arch.h> 21 22 #include "common.h" 23 #include "common-board-devices.h" 24 #include "dss-common.h" 25 26 #if !(defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)) 27 #define intc_of_init NULL 28 #endif 29 #ifndef CONFIG_ARCH_OMAP4 30 #define gic_of_init NULL 31 #endif 32 33 static struct of_device_id omap_dt_match_table[] __initdata = { 34 { .compatible = "simple-bus", }, 35 { .compatible = "ti,omap-infra", }, 36 { } 37 }; 38 39 /* 40 * Create alias for USB host PHY clock. 41 * Remove this when clock phandle can be provided via DT 42 */ 43 static void __init legacy_init_ehci_clk(char *clkname) 44 { 45 int ret; 46 47 ret = clk_add_alias("main_clk", NULL, clkname, NULL); 48 if (ret) { 49 pr_err("%s:Failed to add main_clk alias to %s :%d\n", 50 __func__, clkname, ret); 51 } 52 } 53 54 static void __init omap_generic_init(void) 55 { 56 omap_sdrc_init(NULL, NULL); 57 58 of_platform_populate(NULL, omap_dt_match_table, NULL, NULL); 59 60 /* 61 * HACK: call display setup code for selected boards to enable omapdss. 62 * This will be removed when omapdss supports DT. 63 */ 64 if (of_machine_is_compatible("ti,omap4-panda")) { 65 omap4_panda_display_init_of(); 66 legacy_init_ehci_clk("auxclk3_ck"); 67 68 } 69 else if (of_machine_is_compatible("ti,omap4-sdp")) 70 omap_4430sdp_display_init_of(); 71 else if (of_machine_is_compatible("ti,omap5-uevm")) 72 legacy_init_ehci_clk("auxclk1_ck"); 73 } 74 75 #ifdef CONFIG_SOC_OMAP2420 76 static const char *omap242x_boards_compat[] __initdata = { 77 "ti,omap2420", 78 NULL, 79 }; 80 81 DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)") 82 .reserve = omap_reserve, 83 .map_io = omap242x_map_io, 84 .init_early = omap2420_init_early, 85 .init_irq = omap_intc_of_init, 86 .handle_irq = omap2_intc_handle_irq, 87 .init_machine = omap_generic_init, 88 .init_time = omap2_sync32k_timer_init, 89 .dt_compat = omap242x_boards_compat, 90 .restart = omap2xxx_restart, 91 MACHINE_END 92 #endif 93 94 #ifdef CONFIG_SOC_OMAP2430 95 static const char *omap243x_boards_compat[] __initdata = { 96 "ti,omap2430", 97 NULL, 98 }; 99 100 DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)") 101 .reserve = omap_reserve, 102 .map_io = omap243x_map_io, 103 .init_early = omap2430_init_early, 104 .init_irq = omap_intc_of_init, 105 .handle_irq = omap2_intc_handle_irq, 106 .init_machine = omap_generic_init, 107 .init_time = omap2_sync32k_timer_init, 108 .dt_compat = omap243x_boards_compat, 109 .restart = omap2xxx_restart, 110 MACHINE_END 111 #endif 112 113 #ifdef CONFIG_ARCH_OMAP3 114 static const char *omap3_boards_compat[] __initdata = { 115 "ti,omap3", 116 NULL, 117 }; 118 119 DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)") 120 .reserve = omap_reserve, 121 .map_io = omap3_map_io, 122 .init_early = omap3430_init_early, 123 .init_irq = omap_intc_of_init, 124 .handle_irq = omap3_intc_handle_irq, 125 .init_machine = omap_generic_init, 126 .init_late = omap3_init_late, 127 .init_time = omap3_sync32k_timer_init, 128 .dt_compat = omap3_boards_compat, 129 .restart = omap3xxx_restart, 130 MACHINE_END 131 132 static const char *omap36xx_boards_compat[] __initdata = { 133 "ti,omap36xx", 134 NULL, 135 }; 136 137 DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)") 138 .reserve = omap_reserve, 139 .map_io = omap3_map_io, 140 .init_early = omap3630_init_early, 141 .init_irq = omap_intc_of_init, 142 .handle_irq = omap3_intc_handle_irq, 143 .init_machine = omap_generic_init, 144 .init_late = omap3_init_late, 145 .init_time = omap3_sync32k_timer_init, 146 .dt_compat = omap36xx_boards_compat, 147 .restart = omap3xxx_restart, 148 MACHINE_END 149 150 static const char *omap3_gp_boards_compat[] __initdata = { 151 "ti,omap3-beagle", 152 "timll,omap3-devkit8000", 153 NULL, 154 }; 155 156 DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)") 157 .reserve = omap_reserve, 158 .map_io = omap3_map_io, 159 .init_early = omap3430_init_early, 160 .init_irq = omap_intc_of_init, 161 .handle_irq = omap3_intc_handle_irq, 162 .init_machine = omap_generic_init, 163 .init_late = omap3_init_late, 164 .init_time = omap3_secure_sync32k_timer_init, 165 .dt_compat = omap3_gp_boards_compat, 166 .restart = omap3xxx_restart, 167 MACHINE_END 168 #endif 169 170 #ifdef CONFIG_SOC_AM33XX 171 static const char *am33xx_boards_compat[] __initdata = { 172 "ti,am33xx", 173 NULL, 174 }; 175 176 DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)") 177 .reserve = omap_reserve, 178 .map_io = am33xx_map_io, 179 .init_early = am33xx_init_early, 180 .init_irq = omap_intc_of_init, 181 .handle_irq = omap3_intc_handle_irq, 182 .init_machine = omap_generic_init, 183 .init_time = omap3_gptimer_timer_init, 184 .dt_compat = am33xx_boards_compat, 185 .restart = am33xx_restart, 186 MACHINE_END 187 #endif 188 189 #ifdef CONFIG_ARCH_OMAP4 190 static const char *omap4_boards_compat[] __initdata = { 191 "ti,omap4", 192 NULL, 193 }; 194 195 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)") 196 .reserve = omap_reserve, 197 .smp = smp_ops(omap4_smp_ops), 198 .map_io = omap4_map_io, 199 .init_early = omap4430_init_early, 200 .init_irq = omap_gic_of_init, 201 .init_machine = omap_generic_init, 202 .init_late = omap4430_init_late, 203 .init_time = omap4_local_timer_init, 204 .dt_compat = omap4_boards_compat, 205 .restart = omap44xx_restart, 206 MACHINE_END 207 #endif 208 209 #ifdef CONFIG_SOC_OMAP5 210 static const char *omap5_boards_compat[] __initdata = { 211 "ti,omap5", 212 NULL, 213 }; 214 215 DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)") 216 .reserve = omap_reserve, 217 .smp = smp_ops(omap4_smp_ops), 218 .map_io = omap5_map_io, 219 .init_early = omap5_init_early, 220 .init_irq = omap_gic_of_init, 221 .init_machine = omap_generic_init, 222 .init_time = omap5_realtime_timer_init, 223 .dt_compat = omap5_boards_compat, 224 .restart = omap44xx_restart, 225 MACHINE_END 226 #endif 227 228 #ifdef CONFIG_SOC_AM43XX 229 static const char *am43_boards_compat[] __initdata = { 230 "ti,am43", 231 NULL, 232 }; 233 234 DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)") 235 .map_io = am33xx_map_io, 236 .init_early = am43xx_init_early, 237 .init_irq = omap_gic_of_init, 238 .init_machine = omap_generic_init, 239 .init_time = omap3_sync32k_timer_init, 240 .dt_compat = am43_boards_compat, 241 MACHINE_END 242 #endif 243 244 #ifdef CONFIG_SOC_DRA7XX 245 static const char *dra7xx_boards_compat[] __initdata = { 246 "ti,dra7", 247 NULL, 248 }; 249 250 DT_MACHINE_START(DRA7XX_DT, "Generic DRA7XX (Flattened Device Tree)") 251 .reserve = omap_reserve, 252 .smp = smp_ops(omap4_smp_ops), 253 .map_io = omap5_map_io, 254 .init_early = dra7xx_init_early, 255 .init_irq = omap_gic_of_init, 256 .init_machine = omap_generic_init, 257 .init_time = omap5_realtime_timer_init, 258 .dt_compat = dra7xx_boards_compat, 259 .restart = omap44xx_restart, 260 MACHINE_END 261 #endif 262