target/linux/ar71xx/files/arch/mips/ar71xx/dev-ap91-pci.c

   1 /*
   2  *  Atheros AP91 reference board PCI initialization
   3  *
   4  *  Copyright (C) 2009 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 #include <linux/pci.h>
  12 #include <linux/ath9k_platform.h>
  13 #include <linux/delay.h>
  14
  15 #include <asm/mach-ar71xx/ar71xx.h>
  16 #include <asm/mach-ar71xx/pci.h>
  17
  18 #include "dev-ap91-pci.h"
  19 #include "pci-ath9k-fixup.h"
  20
  21 static struct ath9k_platform_data ap91_wmac_data;
  22 static char ap91_wmac_mac[6];
  23
  24 static struct ar71xx_pci_irq ap91_pci_irqs[] __initdata = {
  25         {
  26                 .slot   = 0,
  27                 .pin    = 1,
  28                 .irq    = AR71XX_PCI_IRQ_DEV0,
  29         }
  30 };
  31
  32 static int ap91_pci_plat_dev_init(struct pci_dev *dev)
  33 {
  34         switch(PCI_SLOT(dev->devfn)) {
  35         case 0:
  36                 dev->dev.platform_data = &ap91_wmac_data;
  37                 break;
  38         }
  39
  40         return 0;
  41 }
  42
  43 void __init ap91_pci_init(u8 *cal_data, u8 *mac_addr)
  44 {
  45         if (cal_data)
  46                 memcpy(ap91_wmac_data.eeprom_data, cal_data,
  47                        sizeof(ap91_wmac_data.eeprom_data));
  48
  49         if (mac_addr) {
  50                 memcpy(ap91_wmac_mac, mac_addr, sizeof(ap91_wmac_mac));
  51                 ap91_wmac_data.macaddr = ap91_wmac_mac;
  52         }
  53
  54         ar71xx_pci_plat_dev_init = ap91_pci_plat_dev_init;
  55         ar71xx_pci_init(ARRAY_SIZE(ap91_pci_irqs), ap91_pci_irqs);
  56
  57         pci_enable_ath9k_fixup(0, ap91_wmac_data.eeprom_data);
  58 }