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 <mach/hardware.h>
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach/map.h>
  27
  28 #include <mach/gpio.h>
  29 #include <mach/mux.h>
  30 #include <mach/usb.h>
  31 #include <mach/board.h>
  32 #include <mach/common.h>
  33
  34 static void __init omap_generic_init_irq(void)
  35 {
  36         omap2_init_common_hw(NULL);
  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_board_config_kernel generic_config[] = {
  45         { OMAP_TAG_UART,        &generic_uart_config },
  46 };
  47
  48 static void __init omap_generic_init(void)
  49 {
  50         omap_board_config = generic_config;
  51         omap_board_config_size = ARRAY_SIZE(generic_config);
  52         omap_serial_init();
  53 }
  54
  55 static void __init omap_generic_map_io(void)
  56 {
  57         omap2_set_globals_242x(); /* should be 242x, 243x, or 343x */
  58         omap2_map_common_io();
  59 }
  60
  61 MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx")
  62         /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
  63         .phys_io        = 0x48000000,
  64         .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
  65         .boot_params    = 0x80000100,
  66         .map_io         = omap_generic_map_io,
  67         .init_irq       = omap_generic_init_irq,
  68         .init_machine   = omap_generic_init,
  69         .timer          = &omap_timer,
  70 MACHINE_END