arch/arm/mach-omap2/board-generic.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-generic.c
   3  *
   4  * Copyright (C) 2005 Nokia Corporation
   5  * Author: Paul Mundt <paul.mundt@nokia.com>
   6  *
   7  * Modified from mach-omap/omap1/board-generic.c
   8  *
   9  * Code for generic OMAP2 board. Should work on many OMAP2 systems where
  10  * the bootloader passes the board-specific data to the kernel.
  11  * Do not put any board specific code to this file; create a new machine
  12  * type if you need custom low-level initializations.
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License version 2 as
  16  * published by the Free Software Foundation.
  17  */
  18
  19 #include <linux/kernel.h>
  20 #include <linux/init.h>
  21 #include <linux/device.h>
  22
  23 #include <asm/hardware.h>
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach/map.h>
  27
  28 #include <asm/arch/gpio.h>
  29 #include <asm/arch/mux.h>
  30 #include <asm/arch/usb.h>
  31 #include <asm/arch/board.h>
  32 #include <asm/arch/common.h>
  33
  34 static void __init omap_generic_init_irq(void)
  35 {
  36         omap2_init_common_hw();
  37         omap_init_irq();
  38 }
  39
  40 static struct omap_uart_config generic_uart_config __initdata = {
  41         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
  42 };
  43
  44 static struct omap_mmc_config generic_mmc_config __initdata = {
  45         .mmc [0] = {
  46                 .enabled        = 0,
  47                 .wire4          = 0,
  48                 .wp_pin         = -1,
  49                 .power_pin      = -1,
  50                 .switch_pin     = -1,
  51         },
  52 };
  53
  54 static struct omap_board_config_kernel generic_config[] = {
  55         { OMAP_TAG_UART,        &generic_uart_config },
  56         { OMAP_TAG_MMC,         &generic_mmc_config },
  57 };
  58
  59 static void __init omap_generic_init(void)
  60 {
  61         omap_board_config = generic_config;
  62         omap_board_config_size = ARRAY_SIZE(generic_config);
  63         omap_serial_init();
  64 }
  65
  66 static void __init omap_generic_map_io(void)
  67 {
  68         omap2_set_globals_242x(); /* should be 242x, 243x, or 343x */
  69         omap2_map_common_io();
  70 }
  71
  72 MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx")
  73         /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
  74         .phys_io        = 0x48000000,
  75         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
  76         .boot_params    = 0x80000100,
  77         .map_io         = omap_generic_map_io,
  78         .init_irq       = omap_generic_init_irq,
  79         .init_machine   = omap_generic_init,
  80         .timer          = &omap_timer,
  81 MACHINE_END