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
  19 #include <mach/hardware.h>
  20 #include <asm/hardware/gic.h>
  21 #include <asm/mach/arch.h>
  22
  23 #include <plat/board.h>
  24 #include "common.h"
  25 #include "common-board-devices.h"
  26
  27 #if !(defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3))
  28 #define omap_intc_of_init       NULL
  29 #endif
  30 #ifndef CONFIG_ARCH_OMAP4
  31 #define gic_of_init             NULL
  32 #endif
  33
  34 static struct of_device_id irq_match[] __initdata = {
  35         { .compatible = "ti,omap2-intc", .data = omap_intc_of_init, },
  36         { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
  37         { }
  38 };
  39
  40 static void __init omap_init_irq(void)
  41 {
  42         of_irq_init(irq_match);
  43 }
  44
  45 static struct of_device_id omap_dt_match_table[] __initdata = {
  46         { .compatible = "simple-bus", },
  47         { .compatible = "ti,omap-infra", },
  48         { }
  49 };
  50
  51 static void __init omap_generic_init(void)
  52 {
  53         omap_sdrc_init(NULL, NULL);
  54
  55         of_platform_populate(NULL, omap_dt_match_table, NULL, NULL);
  56 }
  57
  58 #ifdef CONFIG_SOC_OMAP2420
  59 static const char *omap242x_boards_compat[] __initdata = {
  60         "ti,omap2420",
  61         NULL,
  62 };
  63
  64 DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
  65         .reserve        = omap_reserve,
  66         .map_io         = omap242x_map_io,
  67         .init_early     = omap2420_init_early,
  68         .init_irq       = omap_init_irq,
  69         .handle_irq     = omap2_intc_handle_irq,
  70         .init_machine   = omap_generic_init,
  71         .timer          = &omap2_timer,
  72         .dt_compat      = omap242x_boards_compat,
  73         .restart        = omap_prcm_restart,
  74 MACHINE_END
  75 #endif
  76
  77 #ifdef CONFIG_SOC_OMAP2430
  78 static const char *omap243x_boards_compat[] __initdata = {
  79         "ti,omap2430",
  80         NULL,
  81 };
  82
  83 DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
  84         .reserve        = omap_reserve,
  85         .map_io         = omap243x_map_io,
  86         .init_early     = omap2430_init_early,
  87         .init_irq       = omap_init_irq,
  88         .handle_irq     = omap2_intc_handle_irq,
  89         .init_machine   = omap_generic_init,
  90         .timer          = &omap2_timer,
  91         .dt_compat      = omap243x_boards_compat,
  92         .restart        = omap_prcm_restart,
  93 MACHINE_END
  94 #endif
  95
  96 #ifdef CONFIG_ARCH_OMAP3
  97 static const char *omap3_boards_compat[] __initdata = {
  98         "ti,omap3",
  99         NULL,
 100 };
 101
 102 DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
 103         .reserve        = omap_reserve,
 104         .map_io         = omap3_map_io,
 105         .init_early     = omap3430_init_early,
 106         .init_irq       = omap_init_irq,
 107         .handle_irq     = omap3_intc_handle_irq,
 108         .init_machine   = omap_generic_init,
 109         .timer          = &omap3_timer,
 110         .dt_compat      = omap3_boards_compat,
 111         .restart        = omap_prcm_restart,
 112 MACHINE_END
 113 #endif
 114
 115 #ifdef CONFIG_SOC_AM33XX
 116 static const char *am33xx_boards_compat[] __initdata = {
 117         "ti,am33xx",
 118         NULL,
 119 };
 120
 121 DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
 122         .reserve        = omap_reserve,
 123         .map_io         = am33xx_map_io,
 124         .init_early     = am33xx_init_early,
 125         .init_irq       = omap_init_irq,
 126         .handle_irq     = omap3_intc_handle_irq,
 127         .init_machine   = omap_generic_init,
 128         .timer          = &omap3_am33xx_timer,
 129         .dt_compat      = am33xx_boards_compat,
 130 MACHINE_END
 131 #endif
 132
 133 #ifdef CONFIG_ARCH_OMAP4
 134 static const char *omap4_boards_compat[] __initdata = {
 135         "ti,omap4",
 136         NULL,
 137 };
 138
 139 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
 140         .reserve        = omap_reserve,
 141         .map_io         = omap4_map_io,
 142         .init_early     = omap4430_init_early,
 143         .init_irq       = omap_init_irq,
 144         .handle_irq     = gic_handle_irq,
 145         .init_machine   = omap_generic_init,
 146         .init_late      = omap4430_init_late,
 147         .timer          = &omap4_timer,
 148         .dt_compat      = omap4_boards_compat,
 149         .restart        = omap_prcm_restart,
 150 MACHINE_END
 151 #endif