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/gpio.h>
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/device.h>
  18 #include <linux/io.h>
  19 #include <linux/of_platform.h>
  20 #include <linux/irqdomain.h>
  21 #include <linux/i2c/twl.h>
  22
  23 #include <mach/hardware.h>
  24 #include <asm/mach/arch.h>
  25
  26 #include <plat/usb.h>
  27 #include <plat/board.h>
  28 #include <plat/common.h>
  29 #include <mach/omap4-common.h>
  30 #include "common-board-devices.h"
  31
  32 /*
  33  * XXX: Still needed to boot until the i2c & twl driver is adapted to
  34  * device-tree
  35  */
  36 static struct twl4030_platform_data sdp4430_twldata = {
  37         .irq_base       = TWL6030_IRQ_BASE,
  38         .irq_end        = TWL6030_IRQ_END,
  39 };
  40
  41 static void __init omap4_i2c_init(void)
  42 {
  43         omap4_pmic_init("twl6030", &sdp4430_twldata);
  44 }
  45
  46 static struct twl4030_platform_data beagle_twldata = {
  47         .irq_base       = TWL4030_IRQ_BASE,
  48         .irq_end        = TWL4030_IRQ_END,
  49 };
  50
  51 static void __init omap3_i2c_init(void)
  52 {
  53         omap3_pmic_init("twl4030", &beagle_twldata);
  54 }
  55
  56 static struct of_device_id omap_dt_match_table[] __initdata = {
  57         { .compatible = "simple-bus", },
  58         { .compatible = "ti,omap-infra", },
  59         { }
  60 };
  61
  62 static struct of_device_id intc_match[] __initdata = {
  63         { .compatible = "ti,omap3-intc", },
  64         { .compatible = "arm,cortex-a9-gic", },
  65         { }
  66 };
  67
  68 static void __init omap_generic_init(void)
  69 {
  70         struct device_node *node = of_find_matching_node(NULL, intc_match);
  71         if (node)
  72                 irq_domain_add_simple(node, 0);
  73
  74         omap_serial_init();
  75         omap_sdrc_init(NULL, NULL);
  76
  77         of_platform_populate(NULL, omap_dt_match_table, NULL, NULL);
  78 }
  79
  80 static void __init omap4_init(void)
  81 {
  82         omap4_i2c_init();
  83         omap_generic_init();
  84 }
  85
  86 static void __init omap3_init(void)
  87 {
  88         omap3_i2c_init();
  89         omap_generic_init();
  90 }
  91
  92 #if defined(CONFIG_SOC_OMAP2420)
  93 static const char *omap242x_boards_compat[] __initdata = {
  94         "ti,omap2420",
  95         NULL,
  96 };
  97
  98 DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
  99         .atag_offset    = 0x100,
 100         .reserve        = omap_reserve,
 101         .map_io         = omap242x_map_io,
 102         .init_early     = omap2420_init_early,
 103         .init_irq       = omap2_init_irq,
 104         .init_machine   = omap_generic_init,
 105         .timer          = &omap2_timer,
 106         .dt_compat      = omap242x_boards_compat,
 107 MACHINE_END
 108 #endif
 109
 110 #if defined(CONFIG_SOC_OMAP2430)
 111 static const char *omap243x_boards_compat[] __initdata = {
 112         "ti,omap2430",
 113         NULL,
 114 };
 115
 116 DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
 117         .atag_offset    = 0x100,
 118         .reserve        = omap_reserve,
 119         .map_io         = omap243x_map_io,
 120         .init_early     = omap2430_init_early,
 121         .init_irq       = omap2_init_irq,
 122         .init_machine   = omap_generic_init,
 123         .timer          = &omap2_timer,
 124         .dt_compat      = omap243x_boards_compat,
 125 MACHINE_END
 126 #endif
 127
 128 #if defined(CONFIG_ARCH_OMAP3)
 129 static const char *omap3_boards_compat[] __initdata = {
 130         "ti,omap3",
 131         NULL,
 132 };
 133
 134 DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
 135         .atag_offset    = 0x100,
 136         .reserve        = omap_reserve,
 137         .map_io         = omap3_map_io,
 138         .init_early     = omap3430_init_early,
 139         .init_irq       = omap3_init_irq,
 140         .init_machine   = omap3_init,
 141         .timer          = &omap3_timer,
 142         .dt_compat      = omap3_boards_compat,
 143 MACHINE_END
 144 #endif
 145
 146 #if defined(CONFIG_ARCH_OMAP4)
 147 static const char *omap4_boards_compat[] __initdata = {
 148         "ti,omap4",
 149         NULL,
 150 };
 151
 152 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
 153         .atag_offset    = 0x100,
 154         .reserve        = omap_reserve,
 155         .map_io         = omap4_map_io,
 156         .init_early     = omap4430_init_early,
 157         .init_irq       = gic_init_irq,
 158         .init_machine   = omap4_init,
 159         .timer          = &omap4_timer,
 160         .dt_compat      = omap4_boards_compat,
 161 MACHINE_END
 162 #endif