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
  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 *omap3_gp_boards_compat[] __initdata = {
 133         "ti,omap3-beagle",
 134         "timll,omap3-devkit8000",
 135         NULL,
 136 };
 137
 138 DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)")
 139         .reserve        = omap_reserve,
 140         .map_io         = omap3_map_io,
 141         .init_early     = omap3430_init_early,
 142         .init_irq       = omap_intc_of_init,
 143         .handle_irq     = omap3_intc_handle_irq,
 144         .init_machine   = omap_generic_init,
 145         .init_late      = omap3_init_late,
 146         .init_time      = omap3_secure_sync32k_timer_init,
 147         .dt_compat      = omap3_gp_boards_compat,
 148         .restart        = omap3xxx_restart,
 149 MACHINE_END
 150 #endif
 151
 152 #ifdef CONFIG_SOC_AM33XX
 153 static const char *am33xx_boards_compat[] __initdata = {
 154         "ti,am33xx",
 155         NULL,
 156 };
 157
 158 DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
 159         .reserve        = omap_reserve,
 160         .map_io         = am33xx_map_io,
 161         .init_early     = am33xx_init_early,
 162         .init_irq       = omap_intc_of_init,
 163         .handle_irq     = omap3_intc_handle_irq,
 164         .init_machine   = omap_generic_init,
 165         .init_time      = omap3_gptimer_timer_init,
 166         .dt_compat      = am33xx_boards_compat,
 167         .restart        = am33xx_restart,
 168 MACHINE_END
 169 #endif
 170
 171 #ifdef CONFIG_ARCH_OMAP4
 172 static const char *omap4_boards_compat[] __initdata = {
 173         "ti,omap4",
 174         NULL,
 175 };
 176
 177 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
 178         .reserve        = omap_reserve,
 179         .smp            = smp_ops(omap4_smp_ops),
 180         .map_io         = omap4_map_io,
 181         .init_early     = omap4430_init_early,
 182         .init_irq       = omap_gic_of_init,
 183         .init_machine   = omap_generic_init,
 184         .init_late      = omap4430_init_late,
 185         .init_time      = omap4_local_timer_init,
 186         .dt_compat      = omap4_boards_compat,
 187         .restart        = omap44xx_restart,
 188 MACHINE_END
 189 #endif
 190
 191 #ifdef CONFIG_SOC_OMAP5
 192 static const char *omap5_boards_compat[] __initdata = {
 193         "ti,omap5",
 194         NULL,
 195 };
 196
 197 DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)")
 198         .reserve        = omap_reserve,
 199         .smp            = smp_ops(omap4_smp_ops),
 200         .map_io         = omap5_map_io,
 201         .init_early     = omap5_init_early,
 202         .init_irq       = omap_gic_of_init,
 203         .init_machine   = omap_generic_init,
 204         .init_time      = omap5_realtime_timer_init,
 205         .dt_compat      = omap5_boards_compat,
 206         .restart        = omap44xx_restart,
 207 MACHINE_END
 208 #endif
 209
 210 #ifdef CONFIG_SOC_AM43XX
 211 static const char *am43_boards_compat[] __initdata = {
 212         "ti,am43",
 213         NULL,
 214 };
 215
 216 DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)")
 217         .map_io         = am33xx_map_io,
 218         .init_early     = am43xx_init_early,
 219         .init_irq       = omap_gic_of_init,
 220         .init_machine   = omap_generic_init,
 221         .init_time      = omap3_sync32k_timer_init,
 222         .dt_compat      = am43_boards_compat,
 223 MACHINE_END
 224 #endif
 225
 226 #ifdef CONFIG_SOC_DRA7XX
 227 static const char *dra7xx_boards_compat[] __initdata = {
 228         "ti,dra7",
 229         NULL,
 230 };
 231
 232 DT_MACHINE_START(DRA7XX_DT, "Generic DRA7XX (Flattened Device Tree)")
 233         .reserve        = omap_reserve,
 234         .smp            = smp_ops(omap4_smp_ops),
 235         .map_io         = omap5_map_io,
 236         .init_early     = dra7xx_init_early,
 237         .init_irq       = omap_gic_of_init,
 238         .init_machine   = omap_generic_init,
 239         .init_time      = omap5_realtime_timer_init,
 240         .dt_compat      = dra7xx_boards_compat,
 241         .restart        = omap44xx_restart,
 242 MACHINE_END
 243 #endif