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