target/linux/adm5120/files-2.6.26/arch/mips/adm5120/common/board.c

   1 /*
   2  *  ADM5120 generic board code
   3  *
   4  *  Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License version 2 as published
   8  *  by the Free Software Foundation.
   9  *
  10  */
  11
  12 #include <linux/init.h>
  13 #include <linux/kernel.h>
  14 #include <linux/list.h>
  15 #include <linux/string.h>
  16 #include <linux/device.h>
  17 #include <linux/platform_device.h>
  18
  19 #include <asm/bootinfo.h>
  20
  21 #include <asm/mach-adm5120/adm5120_info.h>
  22 #include <asm/mach-adm5120/adm5120_defs.h>
  23 #include <asm/mach-adm5120/adm5120_board.h>
  24 #include <asm/mach-adm5120/adm5120_platform.h>
  25
  26 #define PFX     "ADM5120: "
  27
  28 static struct list_head adm5120_boards __initdata =
  29                         LIST_HEAD_INIT(adm5120_boards);
  30
  31 static char adm5120_board_name[ADM5120_BOARD_NAMELEN] = "Unknown board";
  32
  33 const char *get_system_type(void)
  34 {
  35         return adm5120_board_name;
  36 }
  37
  38 static struct adm5120_board * __init adm5120_board_find(unsigned long machtype)
  39 {
  40         struct list_head *this;
  41
  42         list_for_each(this, &adm5120_boards) {
  43                 struct adm5120_board *board;
  44
  45                 board = list_entry(this, struct adm5120_board, list);
  46                 if (board->mach_type == machtype)
  47                         return board;
  48         }
  49
  50         return NULL;
  51 }
  52
  53 static int __init adm5120_board_setup(void)
  54 {
  55         struct adm5120_board *board;
  56
  57         board = adm5120_board_find(mips_machtype);
  58         if (board == NULL)
  59                 panic(PFX "no board registered for machtype %lu\n",
  60                         mips_machtype);
  61
  62         if (board->name[0])
  63                 strlcpy(adm5120_board_name, board->name, ADM5120_BOARD_NAMELEN);
  64
  65         printk(KERN_INFO PFX "board is '%s'\n", adm5120_board_name);
  66
  67         adm5120_gpio_init();
  68
  69         if (board->board_setup)
  70                 board->board_setup();
  71
  72         return 0;
  73 }
  74 arch_initcall(adm5120_board_setup);
  75
  76 void __init adm5120_board_register(struct adm5120_board *board)
  77 {
  78         list_add_tail(&board->list, &adm5120_boards);
  79 }
  80
  81 static void __init adm5120_generic_board_setup(void)
  82 {
  83         adm5120_add_device_uart(0);
  84         adm5120_add_device_uart(1);
  85
  86         adm5120_add_device_flash(0);
  87         adm5120_add_device_switch(6, NULL);
  88 }
  89
  90 ADM5120_BOARD(MACH_ADM5120_GENERIC, "Generic ADM5120 board",
  91                 adm5120_generic_board_setup);