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 #include <linux/gpio.h>
  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 <plat/usb.h>
  29 #include <plat/board.h>
  30 #include <plat/common.h>
  31
  32 static struct omap_board_config_kernel generic_config[] = {
  33 };
  34
  35 static void __init omap_generic_init_early(void)
  36 {
  37         omap2_init_common_infrastructure();
  38         omap2_init_common_devices(NULL, NULL);
  39 }
  40
  41 static void __init omap_generic_init(void)
  42 {
  43         omap_serial_init();
  44         omap_board_config = generic_config;
  45         omap_board_config_size = ARRAY_SIZE(generic_config);
  46 }
  47
  48 static void __init omap_generic_map_io(void)
  49 {
  50         if (cpu_is_omap242x()) {
  51                 omap2_set_globals_242x();
  52                 omap242x_map_common_io();
  53         } else if (cpu_is_omap243x()) {
  54                 omap2_set_globals_243x();
  55                 omap243x_map_common_io();
  56         } else if (cpu_is_omap34xx()) {
  57                 omap2_set_globals_3xxx();
  58                 omap34xx_map_common_io();
  59         } else if (cpu_is_omap44xx()) {
  60                 omap2_set_globals_443x();
  61                 omap44xx_map_common_io();
  62         }
  63 }
  64
  65 /* XXX This machine entry name should be updated */
  66 MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx")
  67         /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
  68         .atag_offset    = 0x100,
  69         .reserve        = omap_reserve,
  70         .map_io         = omap_generic_map_io,
  71         .init_early     = omap_generic_init_early,
  72         .init_irq       = omap2_init_irq,
  73         .init_machine   = omap_generic_init,
  74         .timer          = &omap2_timer,
  75 MACHINE_END