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/i2c/twl.h>
  19
  20 #include <mach/hardware.h>
  21 #include <asm/hardware/gic.h>
  22 #include <asm/mach/arch.h>
  23
  24 #include <plat/board.h>
  25 #include "common.h"
  26 #include "common-board-devices.h"
  27
  28 #if !(defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3))
  29 #define omap_intc_of_init       NULL
  30 #endif
  31 #ifndef CONFIG_ARCH_OMAP4
  32 #define gic_of_init             NULL
  33 #endif
  34
  35 static struct of_device_id irq_match[] __initdata = {
  36         { .compatible = "ti,omap2-intc", .data = omap_intc_of_init, },
  37         { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
  38         { }
  39 };
  40
  41 static void __init omap_init_irq(void)
  42 {
  43         of_irq_init(irq_match);
  44 }
  45
  46 /*
  47  * XXX: Still needed to boot until the i2c & twl driver is adapted to
  48  * device-tree
  49  */
  50 #ifdef CONFIG_ARCH_OMAP4
  51 static struct twl4030_platform_data sdp4430_twldata = {
  52         .irq_base       = TWL6030_IRQ_BASE,
  53         .irq_end        = TWL6030_IRQ_END,
  54 };
  55
  56 static void __init omap4_i2c_init(void)
  57 {
  58         omap4_pmic_init("twl6030", &sdp4430_twldata);
  59 }
  60 #endif
  61
  62 #ifdef CONFIG_ARCH_OMAP3
  63 static struct twl4030_platform_data beagle_twldata = {
  64         .irq_base       = TWL4030_IRQ_BASE,
  65         .irq_end        = TWL4030_IRQ_END,
  66 };
  67
  68 static void __init omap3_i2c_init(void)
  69 {
  70         omap3_pmic_init("twl4030", &beagle_twldata);
  71 }
  72 #endif
  73
  74 static struct of_device_id omap_dt_match_table[] __initdata = {
  75         { .compatible = "simple-bus", },
  76         { .compatible = "ti,omap-infra", },
  77         { }
  78 };
  79
  80 static void __init omap_generic_init(void)
  81 {
  82         omap_sdrc_init(NULL, NULL);
  83
  84         of_platform_populate(NULL, omap_dt_match_table, NULL, NULL);
  85 }
  86
  87 #ifdef CONFIG_ARCH_OMAP4
  88 static void __init omap4_init(void)
  89 {
  90         omap4_i2c_init();
  91         omap_generic_init();
  92 }
  93 #endif
  94
  95 #ifdef CONFIG_ARCH_OMAP3
  96 static void __init omap3_init(void)
  97 {
  98         omap3_i2c_init();
  99         omap_generic_init();
 100 }
 101 #endif
 102
 103 #ifdef CONFIG_SOC_OMAP2420
 104 static const char *omap242x_boards_compat[] __initdata = {
 105         "ti,omap2420",
 106         NULL,
 107 };
 108
 109 DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
 110         .reserve        = omap_reserve,
 111         .map_io         = omap242x_map_io,
 112         .init_early     = omap2420_init_early,
 113         .init_irq       = omap_init_irq,
 114         .handle_irq     = omap2_intc_handle_irq,
 115         .init_machine   = omap_generic_init,
 116         .timer          = &omap2_timer,
 117         .dt_compat      = omap242x_boards_compat,
 118         .restart        = omap_prcm_restart,
 119 MACHINE_END
 120 #endif
 121
 122 #ifdef CONFIG_SOC_OMAP2430
 123 static const char *omap243x_boards_compat[] __initdata = {
 124         "ti,omap2430",
 125         NULL,
 126 };
 127
 128 DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
 129         .reserve        = omap_reserve,
 130         .map_io         = omap243x_map_io,
 131         .init_early     = omap2430_init_early,
 132         .init_irq       = omap_init_irq,
 133         .handle_irq     = omap2_intc_handle_irq,
 134         .init_machine   = omap_generic_init,
 135         .timer          = &omap2_timer,
 136         .dt_compat      = omap243x_boards_compat,
 137         .restart        = omap_prcm_restart,
 138 MACHINE_END
 139 #endif
 140
 141 #ifdef CONFIG_ARCH_OMAP3
 142 static const char *omap3_boards_compat[] __initdata = {
 143         "ti,omap3",
 144         NULL,
 145 };
 146
 147 DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
 148         .reserve        = omap_reserve,
 149         .map_io         = omap3_map_io,
 150         .init_early     = omap3430_init_early,
 151         .init_irq       = omap_init_irq,
 152         .handle_irq     = omap3_intc_handle_irq,
 153         .init_machine   = omap3_init,
 154         .timer          = &omap3_timer,
 155         .dt_compat      = omap3_boards_compat,
 156         .restart        = omap_prcm_restart,
 157 MACHINE_END
 158 #endif
 159
 160 #ifdef CONFIG_ARCH_OMAP4
 161 static const char *omap4_boards_compat[] __initdata = {
 162         "ti,omap4",
 163         NULL,
 164 };
 165
 166 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
 167         .reserve        = omap_reserve,
 168         .map_io         = omap4_map_io,
 169         .init_early     = omap4430_init_early,
 170         .init_irq       = omap_init_irq,
 171         .handle_irq     = gic_handle_irq,
 172         .init_machine   = omap4_init,
 173         .timer          = &omap4_timer,
 174         .dt_compat      = omap4_boards_compat,
 175         .restart        = omap_prcm_restart,
 176 MACHINE_END
 177 #endif