target/linux/adm5120/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 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 LIST_HEAD(adm5120_boards);
  32 static char adm5120_board_name[ADM5120_BOARD_NAMELEN];
  33
  34 const char *get_system_type(void)
  35 {
  36         return adm5120_board_name;
  37 }
  38
  39 static struct adm5120_board * __init adm5120_board_find(unsigned long machtype)
  40 {
  41         struct list_head *this;
  42         struct adm5120_board *board;
  43         void *ret;
  44
  45         ret = NULL;
  46         list_for_each(this, &adm5120_boards) {
  47                 board = list_entry(this, struct adm5120_board, list);
  48                 if (board->mach_type == machtype) {
  49                         ret = board;
  50                         break;
  51                 }
  52         }
  53
  54         return ret;
  55 }
  56
  57 static int __init adm5120_board_setup(void)
  58 {
  59         struct adm5120_board *board;
  60         int err;
  61
  62         board = adm5120_board_find(mips_machtype);
  63         if (board == NULL) {
  64                 printk(KERN_ALERT PFX"no board registered for "
  65                         "machtype %lu, trying generic\n", mips_machtype);
  66                 board = adm5120_board_find(MACH_ADM5120_GENERIC);
  67                 if (board == NULL)
  68                         panic(PFX "unsupported board\n");
  69         }
  70
  71         printk(KERN_INFO PFX "setting up board '%s'\n", board->name);
  72
  73         memcpy(&adm5120_board_name, board->name, ADM5120_BOARD_NAMELEN);
  74
  75         adm5120_gpio_init();
  76
  77         adm5120_board_reset = board->board_reset;
  78         if (board->eth_num_ports > 0)
  79                 adm5120_eth_num_ports = board->eth_num_ports;
  80
  81         if (board->eth_vlans)
  82                 memcpy(adm5120_eth_vlans, board->eth_vlans,
  83                         sizeof(adm5120_eth_vlans));
  84
  85         if (board->board_setup)
  86                 board->board_setup();
  87
  88         /* register UARTs */
  89         amba_device_register(&adm5120_uart0_device, &iomem_resource);
  90         amba_device_register(&adm5120_uart1_device, &iomem_resource);
  91
  92         /* register built-in ethernet switch */
  93         platform_device_register(&adm5120_switch_device);
  94
  95         /* setup PCI irq map */
  96         adm5120_pci_set_irq_map(board->pci_nr_irqs, board->pci_irq_map);
  97
  98         /* register board devices */
  99         if (board->num_devices > 0 && board->devices != NULL) {
 100                 err = platform_add_devices(board->devices, board->num_devices);
 101                 if (err)
 102                         printk(KERN_ALERT PFX "adding board devices failed\n");
 103         }
 104
 105         return 0;
 106 }
 107 arch_initcall(adm5120_board_setup);
 108
 109 void __init adm5120_board_register(struct adm5120_board *board)
 110 {
 111         list_add_tail(&board->list, &adm5120_boards);
 112         printk(KERN_INFO PFX "registered board '%s'\n", board->name);
 113 }