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 static struct of_device_id omap_dt_match_table[] __initdata = {
  47         { .compatible = "simple-bus", },
  48         { .compatible = "ti,omap-infra", },
  49         { }
  50 };
  51
  52 static void __init omap_generic_init(void)
  53 {
  54         omap_sdrc_init(NULL, NULL);
  55
  56         of_platform_populate(NULL, omap_dt_match_table, NULL, NULL);
  57 }
  58
  59 #ifdef CONFIG_SOC_OMAP2420
  60 static const char *omap242x_boards_compat[] __initdata = {
  61         "ti,omap2420",
  62         NULL,
  63 };
  64
  65 DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
  66         .reserve        = omap_reserve,
  67         .map_io         = omap242x_map_io,
  68         .init_early     = omap2420_init_early,
  69         .init_irq       = omap_init_irq,
  70         .handle_irq     = omap2_intc_handle_irq,
  71         .init_machine   = omap_generic_init,
  72         .timer          = &omap2_timer,
  73         .dt_compat      = omap242x_boards_compat,
  74         .restart        = omap_prcm_restart,
  75 MACHINE_END
  76 #endif
  77
  78 #ifdef CONFIG_SOC_OMAP2430
  79 static const char *omap243x_boards_compat[] __initdata = {
  80         "ti,omap2430",
  81         NULL,
  82 };
  83
  84 DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
  85         .reserve        = omap_reserve,
  86         .map_io         = omap243x_map_io,
  87         .init_early     = omap2430_init_early,
  88         .init_irq       = omap_init_irq,
  89         .handle_irq     = omap2_intc_handle_irq,
  90         .init_machine   = omap_generic_init,
  91         .timer          = &omap2_timer,
  92         .dt_compat      = omap243x_boards_compat,
  93         .restart        = omap_prcm_restart,
  94 MACHINE_END
  95 #endif
  96
  97 #ifdef CONFIG_ARCH_OMAP3
  98 static struct twl4030_platform_data beagle_twldata = {
  99         .irq_base       = TWL4030_IRQ_BASE,
 100         .irq_end        = TWL4030_IRQ_END,
 101 };
 102
 103 static void __init omap3_i2c_init(void)
 104 {
 105         omap3_pmic_init("twl4030", &beagle_twldata);
 106 }
 107
 108 static void __init omap3_init(void)
 109 {
 110         omap3_i2c_init();
 111         omap_generic_init();
 112 }
 113
 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_init_irq,
 124         .handle_irq     = omap3_intc_handle_irq,
 125         .init_machine   = omap3_init,
 126         .timer          = &omap3_timer,
 127         .dt_compat      = omap3_boards_compat,
 128         .restart        = omap_prcm_restart,
 129 MACHINE_END
 130 #endif
 131
 132 #ifdef CONFIG_ARCH_OMAP4
 133 static struct twl4030_platform_data sdp4430_twldata = {
 134         .irq_base       = TWL6030_IRQ_BASE,
 135         .irq_end        = TWL6030_IRQ_END,
 136 };
 137
 138 static void __init omap4_i2c_init(void)
 139 {
 140         omap4_pmic_init("twl6030", &sdp4430_twldata, NULL, 0);
 141 }
 142
 143 static void __init omap4_init(void)
 144 {
 145         omap4_i2c_init();
 146         omap_generic_init();
 147 }
 148
 149 static const char *omap4_boards_compat[] __initdata = {
 150         "ti,omap4",
 151         NULL,
 152 };
 153
 154 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
 155         .reserve        = omap_reserve,
 156         .map_io         = omap4_map_io,
 157         .init_early     = omap4430_init_early,
 158         .init_irq       = omap_init_irq,
 159         .handle_irq     = gic_handle_irq,
 160         .init_machine   = omap4_init,
 161         .timer          = &omap4_timer,
 162         .dt_compat      = omap4_boards_compat,
 163         .restart        = omap_prcm_restart,
 164 MACHINE_END
 165 #endif