target/linux/ar71xx/files/arch/mips/ar71xx/dev-db120-pci.c

   1 /*
   2  *  Atheros db120 reference board PCI initialization
   3  *
   4  *  Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
   5  *  Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
   6  *
   7  *  Parts of this file are based on Atheros linux 2.6.31 BSP
   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 #include <linux/pci.h>
  15 #include <linux/ath9k_platform.h>
  16
  17 #include <asm/mach-ar71xx/ar71xx.h>
  18 #include <asm/mach-ar71xx/pci.h>
  19
  20 #include "dev-db120-pci.h"
  21
  22 static struct ath9k_platform_data db120_wmac_data = {
  23         .led_pin = -1,
  24 };
  25 static char db120_wmac_mac[6];
  26
  27 static struct ar71xx_pci_irq db120_pci_irqs[] __initdata = {
  28         {
  29                 .slot   = 0,
  30                 .pin    = 1,
  31                 .irq    = AR71XX_PCI_IRQ_DEV0,
  32         }
  33 };
  34
  35 static int db120_pci_plat_dev_init(struct pci_dev *dev)
  36 {
  37         switch (PCI_SLOT(dev->devfn)) {
  38         case 0:
  39                 dev->dev.platform_data = &db120_wmac_data;
  40                 break;
  41         }
  42
  43         return 0;
  44 }
  45
  46 void __init db120_pci_init(u8 *cal_data, u8 *mac_addr)
  47 {
  48         if (cal_data)
  49                 memcpy(db120_wmac_data.eeprom_data, cal_data,
  50                        sizeof(db120_wmac_data.eeprom_data));
  51
  52         if (mac_addr) {
  53                 memcpy(db120_wmac_mac, mac_addr, sizeof(db120_wmac_mac));
  54                 db120_wmac_data.macaddr = db120_wmac_mac;
  55         }
  56
  57         ar71xx_pci_plat_dev_init = db120_pci_plat_dev_init;
  58         ar71xx_pci_init(ARRAY_SIZE(db120_pci_irqs), db120_pci_irqs);
  59 }