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