arch/arm/mach-omap2/board-generic.c

   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         pdata_quirks_init();
  60
  61         /*
  62          * HACK: call display setup code for selected boards to enable omapdss.
  63          * This will be removed when omapdss supports DT.
  64          */
  65         if (of_machine_is_compatible("ti,omap4-panda")) {
  66                 omap4_panda_display_init_of();
  67                 legacy_init_ehci_clk("auxclk3_ck");
  68
  69         }
  70         else if (of_machine_is_compatible("ti,omap4-sdp"))
  71                 omap_4430sdp_display_init_of();
  72         else if (of_machine_is_compatible("ti,omap5-uevm"))
  73                 legacy_init_ehci_clk("auxclk1_ck");
  74 }
  75
  76 #ifdef CONFIG_SOC_OMAP2420
  77 static const char *omap242x_boards_compat[] __initdata = {
  78         "ti,omap2420",
  79         NULL,
  80 };
  81
  82 DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
  83         .reserve        = omap_reserve,
  84         .map_io         = omap242x_map_io,
  85         .init_early     = omap2420_init_early,
  86         .init_irq       = omap_intc_of_init,
  87         .handle_irq     = omap2_intc_handle_irq,
  88         .init_machine   = omap_generic_init,
  89         .init_time      = omap2_sync32k_timer_init,
  90         .dt_compat      = omap242x_boards_compat,
  91         .restart        = omap2xxx_restart,
  92 MACHINE_END
  93 #endif
  94
  95 #ifdef CONFIG_SOC_OMAP2430
  96 static const char *omap243x_boards_compat[] __initdata = {
  97         "ti,omap2430",
  98         NULL,
  99 };
 100
 101 DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
 102         .reserve        = omap_reserve,
 103         .map_io         = omap243x_map_io,
 104         .init_early     = omap2430_init_early,
 105         .init_irq       = omap_intc_of_init,
 106         .handle_irq     = omap2_intc_handle_irq,
 107         .init_machine   = omap_generic_init,
 108         .init_time      = omap2_sync32k_timer_init,
 109         .dt_compat      = omap243x_boards_compat,
 110         .restart        = omap2xxx_restart,
 111 MACHINE_END
 112 #endif
 113
 114 #ifdef CONFIG_ARCH_OMAP3
 115 static const char *omap3_boards_compat[] __initdata = {
 116         "ti,omap3",
 117         NULL,
 118 };
 119
 120 DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
 121         .reserve        = omap_reserve,
 122         .map_io         = omap3_map_io,
 123         .init_early     = omap3430_init_early,
 124         .init_irq       = omap_intc_of_init,
 125         .handle_irq     = omap3_intc_handle_irq,
 126         .init_machine   = omap_generic_init,
 127         .init_late      = omap3_init_late,
 128         .init_time      = omap3_sync32k_timer_init,
 129         .dt_compat      = omap3_boards_compat,
 130         .restart        = omap3xxx_restart,
 131 MACHINE_END
 132
 133 static const char *omap3_gp_boards_compat[] __initdata = {
 134         "ti,omap3-beagle",
 135         "timll,omap3-devkit8000",
 136         NULL,
 137 };
 138
 139 DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)")
 140         .reserve        = omap_reserve,
 141         .map_io         = omap3_map_io,
 142         .init_early     = omap3430_init_early,
 143         .init_irq       = omap_intc_of_init,
 144         .handle_irq     = omap3_intc_handle_irq,
 145         .init_machine   = omap_generic_init,
 146         .init_late      = omap3_init_late,
 147         .init_time      = omap3_secure_sync32k_timer_init,
 148         .dt_compat      = omap3_gp_boards_compat,
 149         .restart        = omap3xxx_restart,
 150 MACHINE_END
 151 #endif
 152
 153 #ifdef CONFIG_SOC_AM33XX
 154 static const char *am33xx_boards_compat[] __initdata = {
 155         "ti,am33xx",
 156         NULL,
 157 };
 158
 159 DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
 160         .reserve        = omap_reserve,
 161         .map_io         = am33xx_map_io,
 162         .init_early     = am33xx_init_early,
 163         .init_irq       = omap_intc_of_init,
 164         .handle_irq     = omap3_intc_handle_irq,
 165         .init_machine   = omap_generic_init,
 166         .init_time      = omap3_gptimer_timer_init,
 167         .dt_compat      = am33xx_boards_compat,
 168         .restart        = am33xx_restart,
 169 MACHINE_END
 170 #endif
 171
 172 #ifdef CONFIG_ARCH_OMAP4
 173 static const char *omap4_boards_compat[] __initdata = {
 174         "ti,omap4",
 175         NULL,
 176 };
 177
 178 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
 179         .reserve        = omap_reserve,
 180         .smp            = smp_ops(omap4_smp_ops),
 181         .map_io         = omap4_map_io,
 182         .init_early     = omap4430_init_early,
 183         .init_irq       = omap_gic_of_init,
 184         .init_machine   = omap_generic_init,
 185         .init_late      = omap4430_init_late,
 186         .init_time      = omap4_local_timer_init,
 187         .dt_compat      = omap4_boards_compat,
 188         .restart        = omap44xx_restart,
 189 MACHINE_END
 190 #endif
 191
 192 #ifdef CONFIG_SOC_OMAP5
 193 static const char *omap5_boards_compat[] __initdata = {
 194         "ti,omap5",
 195         NULL,
 196 };
 197
 198 DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)")
 199         .reserve        = omap_reserve,
 200         .smp            = smp_ops(omap4_smp_ops),
 201         .map_io         = omap5_map_io,
 202         .init_early     = omap5_init_early,
 203         .init_irq       = omap_gic_of_init,
 204         .init_machine   = omap_generic_init,
 205         .init_time      = omap5_realtime_timer_init,
 206         .dt_compat      = omap5_boards_compat,
 207         .restart        = omap44xx_restart,
 208 MACHINE_END
 209 #endif
 210
 211 #ifdef CONFIG_SOC_AM43XX
 212 static const char *am43_boards_compat[] __initdata = {
 213         "ti,am43",
 214         NULL,
 215 };
 216
 217 DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)")
 218         .map_io         = am33xx_map_io,
 219         .init_early     = am43xx_init_early,
 220         .init_irq       = omap_gic_of_init,
 221         .init_machine   = omap_generic_init,
 222         .init_time      = omap3_sync32k_timer_init,
 223         .dt_compat      = am43_boards_compat,
 224 MACHINE_END
 225 #endif
 226
 227 #ifdef CONFIG_SOC_DRA7XX
 228 static const char *dra7xx_boards_compat[] __initdata = {
 229         "ti,dra7",
 230         NULL,
 231 };
 232
 233 DT_MACHINE_START(DRA7XX_DT, "Generic DRA7XX (Flattened Device Tree)")
 234         .reserve        = omap_reserve,
 235         .smp            = smp_ops(omap4_smp_ops),
 236         .map_io         = omap5_map_io,
 237         .init_early     = dra7xx_init_early,
 238         .init_irq       = omap_gic_of_init,
 239         .init_machine   = omap_generic_init,
 240         .init_time      = omap5_realtime_timer_init,
 241         .dt_compat      = dra7xx_boards_compat,
 242         .restart        = omap44xx_restart,
 243 MACHINE_END
 244 #endif