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/hardware/gic.h>
  21 #include <asm/mach/arch.h>
  22
  23 #include <plat/board.h>
  24 #include "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 #ifdef CONFIG_ARCH_OMAP4
  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 #endif
  42
  43 #ifdef CONFIG_ARCH_OMAP3
  44 static struct twl4030_platform_data beagle_twldata = {
  45         .irq_base       = TWL4030_IRQ_BASE,
  46         .irq_end        = TWL4030_IRQ_END,
  47 };
  48
  49 static void __init omap3_i2c_init(void)
  50 {
  51         omap3_pmic_init("twl4030", &beagle_twldata);
  52 }
  53 #endif
  54
  55 static struct of_device_id omap_dt_match_table[] __initdata = {
  56         { .compatible = "simple-bus", },
  57         { .compatible = "ti,omap-infra", },
  58         { }
  59 };
  60
  61 static struct of_device_id intc_match[] __initdata = {
  62         { .compatible = "ti,omap3-intc", },
  63         { .compatible = "arm,cortex-a9-gic", },
  64         { }
  65 };
  66
  67 static void __init omap_generic_init(void)
  68 {
  69         struct device_node *node = of_find_matching_node(NULL, intc_match);
  70         if (node)
  71                 irq_domain_add_legacy(node, 32, 0, 0, &irq_domain_simple_ops, NULL);
  72
  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         .handle_irq     = omap2_intc_handle_irq,
 107         .init_machine   = omap_generic_init,
 108         .timer          = &omap2_timer,
 109         .dt_compat      = omap242x_boards_compat,
 110         .restart        = omap_prcm_restart,
 111 MACHINE_END
 112 #endif
 113
 114 #if defined(CONFIG_SOC_OMAP2430)
 115 static const char *omap243x_boards_compat[] __initdata = {
 116         "ti,omap2430",
 117         NULL,
 118 };
 119
 120 DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
 121         .atag_offset    = 0x100,
 122         .reserve        = omap_reserve,
 123         .map_io         = omap243x_map_io,
 124         .init_early     = omap2430_init_early,
 125         .init_irq       = omap2_init_irq,
 126         .handle_irq     = omap2_intc_handle_irq,
 127         .init_machine   = omap_generic_init,
 128         .timer          = &omap2_timer,
 129         .dt_compat      = omap243x_boards_compat,
 130         .restart        = omap_prcm_restart,
 131 MACHINE_END
 132 #endif
 133
 134 #if defined(CONFIG_ARCH_OMAP3)
 135 static const char *omap3_boards_compat[] __initdata = {
 136         "ti,omap3",
 137         NULL,
 138 };
 139
 140 DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
 141         .atag_offset    = 0x100,
 142         .reserve        = omap_reserve,
 143         .map_io         = omap3_map_io,
 144         .init_early     = omap3430_init_early,
 145         .init_irq       = omap3_init_irq,
 146         .handle_irq     = omap3_intc_handle_irq,
 147         .init_machine   = omap3_init,
 148         .timer          = &omap3_timer,
 149         .dt_compat      = omap3_boards_compat,
 150         .restart        = omap_prcm_restart,
 151 MACHINE_END
 152 #endif
 153
 154 #if defined(CONFIG_ARCH_OMAP4)
 155 static const char *omap4_boards_compat[] __initdata = {
 156         "ti,omap4",
 157         NULL,
 158 };
 159
 160 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
 161         .atag_offset    = 0x100,
 162         .reserve        = omap_reserve,
 163         .map_io         = omap4_map_io,
 164         .init_early     = omap4430_init_early,
 165         .init_irq       = gic_init_irq,
 166         .handle_irq     = gic_handle_irq,
 167         .init_machine   = omap4_init,
 168         .timer          = &omap4_timer,
 169         .dt_compat      = omap4_boards_compat,
 170         .restart        = omap_prcm_restart,
 171 MACHINE_END
 172 #endif