arch/arm/mach-omap2/board-2430osk.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-2430osk.c
   3  *
   4  * Copyright (C) 2007 Mistral Software Pvt Ltd
   5  *
   6  * Modified from mach-omap2/board-generic.c
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/init.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/delay.h>
  17 #include <linux/err.h>
  18 #include <linux/clk.h>
  19
  20 #include <asm/hardware.h>
  21 #include <asm/mach-types.h>
  22 #include <asm/mach/arch.h>
  23 #include <asm/mach/map.h>
  24
  25 #include <asm/arch/gpio.h>
  26 #include <asm/arch/board.h>
  27 #include <asm/arch/common.h>
  28
  29 #include <asm/io.h>
  30
  31 static void __init omap_2430osk_init_irq(void)
  32 {
  33         omap2_init_common_hw();
  34         omap_init_irq();
  35         omap_gpio_init();
  36 }
  37
  38 static struct omap_uart_config osk2430_uart_config __initdata = {
  39         .enabled_uarts  = ((1 << 0) | (1 << 1) | (1 << 2)),
  40 };
  41
  42 static struct omap_board_config_kernel osk2430_config[] __initdata = {
  43
  44         {OMAP_TAG_UART, &osk2430_uart_config},
  45 };
  46
  47 #if     defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
  48
  49 #define OMAP2_I2C_BASE1         0x48070000
  50 #define OMAP2_I2C_BASE2         0x48072000
  51 #define OMAP2_I2C_INT1          56
  52 #define OMAP2_I2C_INT2          57
  53
  54 static u32 omap2_i2c1_clkrate   = 400;
  55 static u32 omap2_i2c2_clkrate   = 2600;
  56
  57 static struct resource i2c_resources1[] = {
  58         {
  59                 .start  = OMAP2_I2C_BASE1,
  60                 .end    = OMAP2_I2C_BASE1 + 0x3f,
  61                 .flags  = IORESOURCE_MEM,
  62         },
  63         {
  64                 .start  = OMAP2_I2C_INT1,
  65                 .flags  = IORESOURCE_IRQ,
  66         },
  67 };
  68
  69 static struct resource i2c_resources2[] = {
  70         {
  71                 .start  = OMAP2_I2C_BASE2,
  72                 .end    = OMAP2_I2C_BASE2 + 0x3f,
  73                 .flags  = IORESOURCE_MEM,
  74         },
  75         {
  76                 .start  = OMAP2_I2C_INT2,
  77                 .flags  = IORESOURCE_IRQ,
  78         },
  79 };
  80
  81 static struct platform_device omap_i2c_device1 = {
  82         .name           = "i2c_omap",
  83         .id             = 1,
  84         .num_resources  = ARRAY_SIZE(i2c_resources1),
  85         .resource       = i2c_resources1,
  86         .dev            = {
  87                 .platform_data  = &omap2_i2c1_clkrate,
  88         },
  89 };
  90
  91 static struct platform_device omap_i2c_device2 = {
  92         .name           = "i2c_omap",
  93         .id             = 2,
  94         .num_resources  = ARRAY_SIZE(i2c_resources2),
  95         .resource       = i2c_resources2,
  96         .dev            = {
  97                 .platform_data  = &omap2_i2c2_clkrate,
  98         },
  99 };
 100
 101 static void omap_init_i2c(void)
 102 {
 103         (void) platform_device_register(&omap_i2c_device2);
 104         (void) platform_device_register(&omap_i2c_device1);
 105 }
 106
 107 #else
 108
 109 static void omap_init_i2c(void) {}
 110
 111 #endif
 112
 113 static int __init omap2430_i2c_init(void)
 114 {
 115         omap_init_i2c();
 116         return 0;
 117 }
 118
 119 static void __init omap_2430osk_init(void)
 120 {
 121         omap_board_config = osk2430_config;
 122         omap_board_config_size = ARRAY_SIZE(osk2430_config);
 123         omap_serial_init();
 124 }
 125
 126 static void __init omap_2430osk_map_io(void)
 127 {
 128         omap2_set_globals_243x();
 129         omap2_map_common_io();
 130 }
 131
 132 arch_initcall(omap2430_i2c_init);
 133
 134 MACHINE_START(OMAP_2430OSK, "OMAP2430 2430OSK board")
 135         /* Maintainer: Syed Khasim */
 136         .phys_io        = 0x48000000,
 137         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
 138         .boot_params    = 0x80000100,
 139         .map_io         = omap_2430osk_map_io,
 140         .init_irq       = omap_2430osk_init_irq,
 141         .init_machine   = omap_2430osk_init,
 142         .timer          = &omap_timer,
 143 MACHINE_END