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