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

   1 /*
   2  *  $Id$
   3  *
   4  *  ADM5120 generic board code
   5  *
   6  *  Copyright (C) 2007,2008 OpenWrt.org
   7  *  Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
   8  *
   9  *  This program is free software; you can redistribute it and/or modify it
  10  *  under the terms of the GNU General Public License version 2 as published
  11  *  by the Free Software Foundation.
  12  *
  13  */
  14
  15 #include <linux/init.h>
  16 #include <linux/kernel.h>
  17 #include <linux/list.h>
  18 #include <linux/device.h>
  19 #include <linux/platform_device.h>
  20
  21 #include <asm/bootinfo.h>
  22
  23 #include <adm5120_info.h>
  24 #include <adm5120_defs.h>
  25 #include <adm5120_irq.h>
  26 #include <adm5120_board.h>
  27 #include <adm5120_platform.h>
  28
  29 #define PFX     "adm5120: "
  30
  31 static struct list_head adm5120_boards __initdata =
  32                         LIST_HEAD_INIT(adm5120_boards);
  33 static char adm5120_board_name[ADM5120_BOARD_NAMELEN];
  34
  35 const char *get_system_type(void)
  36 {
  37         return adm5120_board_name;
  38 }
  39
  40 static struct adm5120_board * __init adm5120_board_find(unsigned long machtype)
  41 {
  42         struct list_head *this;
  43         struct adm5120_board *board;
  44         void *ret;
  45
  46         ret = NULL;
  47         list_for_each(this, &adm5120_boards) {
  48                 board = list_entry(this, struct adm5120_board, list);
  49                 if (board->mach_type == machtype) {
  50                         ret = board;
  51                         break;
  52                 }
  53         }
  54
  55         return ret;
  56 }
  57
  58 static int __init adm5120_board_setup(void)
  59 {
  60         struct adm5120_board *board;
  61         int err;
  62
  63         board = adm5120_board_find(mips_machtype);
  64         if (board == NULL) {
  65                 printk(KERN_ALERT PFX "no board registered for "
  66                         "machtype %lu, trying generic\n", mips_machtype);
  67                 board = adm5120_board_find(MACH_ADM5120_GENERIC);
  68                 if (board == NULL)
  69                         panic(PFX "unsupported board\n");
  70         }
  71
  72         printk(KERN_INFO PFX "board is '%s'\n", board->name);
  73
  74         memcpy(&adm5120_board_name, board->name, ADM5120_BOARD_NAMELEN);
  75
  76         adm5120_gpio_init();
  77
  78         adm5120_board_reset = board->board_reset;
  79         if (board->eth_num_ports > 0)
  80                 adm5120_eth_num_ports = board->eth_num_ports;
  81
  82         if (board->eth_vlans)
  83                 memcpy(adm5120_eth_vlans, board->eth_vlans,
  84                         sizeof(adm5120_eth_vlans));
  85
  86         if (board->board_setup)
  87                 board->board_setup();
  88
  89         /* register UARTs */
  90         amba_device_register(&adm5120_uart0_device, &iomem_resource);
  91         amba_device_register(&adm5120_uart1_device, &iomem_resource);
  92
  93         /* register built-in ethernet switch */
  94         platform_device_register(&adm5120_switch_device);
  95
  96         if (adm5120_package_pqfp())
  97                 adm5120_gpiodev_resource.start &= ~0xf0;
  98
  99         platform_device_register(&adm5120_gpiodev_device);
 100
 101         /* setup PCI irq map */
 102         adm5120_pci_set_irq_map(board->pci_nr_irqs, board->pci_irq_map);
 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 PFX "adding board devices failed\n");
 109         }
 110
 111         return 0;
 112 }
 113 arch_initcall(adm5120_board_setup);
 114
 115 void __init adm5120_board_register(struct adm5120_board *board)
 116 {
 117         list_add_tail(&board->list, &adm5120_boards);
 118 }