target/linux/adm5120-2.6/files/arch/mips/adm5120/board.c

   1 /*
   2  *  $Id$
   3  *
   4  *  ADM5120 generic board code
   5  *
   6  *  Copyright (C) 2007 OpenWrt.org
   7  *  Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
   8  *
   9  *  This program is free software; you can redistribute it and/or
  10  *  modify it under the terms of the GNU General Public License
  11  *  as published by the Free Software Foundation; either version 2
  12  *  of the License, or (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the
  21  *  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  22  *  Boston, MA  02110-1301, USA.
  23  *
  24  */
  25
  26 #include <linux/init.h>
  27 #include <linux/kernel.h>
  28 #include <linux/list.h>
  29 #include <linux/device.h>
  30 #include <linux/platform_device.h>
  31
  32 #include <asm/bootinfo.h>
  33
  34 #include <asm/mach-adm5120/adm5120_info.h>
  35 #include <asm/mach-adm5120/adm5120_defs.h>
  36 #include <asm/mach-adm5120/adm5120_irq.h>
  37 #include <asm/mach-adm5120/adm5120_board.h>
  38 #include <asm/mach-adm5120/adm5120_platform.h>
  39
  40 static LIST_HEAD(adm5120_boards);
  41 static char adm5120_board_name[ADM5120_BOARD_NAMELEN];
  42
  43 const char *get_system_type(void)
  44 {
  45         return adm5120_board_name;
  46 }
  47
  48 static struct adm5120_board * __init adm5120_board_find(unsigned long machtype)
  49 {
  50         struct list_head *this;
  51         struct adm5120_board *board;
  52         void *ret;
  53
  54         ret = NULL;
  55         list_for_each(this, &adm5120_boards) {
  56                 board = list_entry(this, struct adm5120_board, list);
  57                 if (board->mach_type == machtype) {
  58                         ret = board;
  59                         break;
  60                 }
  61         }
  62
  63         return ret;
  64 }
  65
  66 static int __init adm5120_board_setup(void)
  67 {
  68         struct adm5120_board *board;
  69         int err;
  70
  71         board = adm5120_board_find(mips_machtype);
  72         if (board == NULL) {
  73                 printk(KERN_ALERT "adm5120: no board registered for machtype %lu"
  74                         ", trying generic\n", mips_machtype);
  75                 board = adm5120_board_find(MACH_ADM5120_GENERIC);
  76                 if (board == NULL)
  77                         panic("adm5120: unsupported board\n");
  78         }
  79
  80         printk(KERN_INFO "adm5120: setting up board '%s'\n", board->name);
  81
  82         memcpy(&adm5120_board_name, board->name, ADM5120_BOARD_NAMELEN);
  83
  84         adm5120_board_reset = board->board_reset;
  85         if (board->eth_num_ports > 0)
  86                 adm5120_eth_num_ports = board->eth_num_ports;
  87
  88         if (board->eth_vlans)
  89                 memcpy(adm5120_eth_vlans, board->eth_vlans,
  90                         sizeof(adm5120_eth_vlans));
  91
  92
  93         if (board->board_setup)
  94                 board->board_setup();
  95
  96         /* register UARTs */
  97         amba_device_register(&adm5120_uart0_device, &iomem_resource);
  98         amba_device_register(&adm5120_uart1_device, &iomem_resource);
  99
 100         /* register PCI controller */
 101         if (adm5120_package_bga())
 102                 platform_device_register(&adm5120_pci_device);
 103
 104         /* register board devices */
 105         if (board->num_devices > 0 && board->devices != NULL ) {
 106                 err = platform_add_devices(board->devices, board->num_devices);
 107                 if (err)
 108                         printk(KERN_ALERT "adm5120: adding board devices failed\n");
 109         }
 110
 111         return 0;
 112 }
 113
 114 void __init adm5120_board_register(struct adm5120_board *board)
 115 {
 116         list_add(&board->list, &adm5120_boards);
 117         printk(KERN_INFO "adm5120: registered board '%s'\n", board->name);
 118 }
 119
 120 void __init adm5120_register_boards(struct adm5120_board **boards,
 121                 int num)
 122 {
 123         int i;
 124
 125         for (i=0; i<num; i++)
 126                 adm5120_board_register(boards[i]);
 127 }
 128
 129 arch_initcall(adm5120_board_setup);