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         .led_pin = -1,
  23 };
  24 static char ap91_wmac_mac[6];
  25
  26 static struct ar71xx_pci_irq ap91_pci_irqs[] __initdata = {
  27         {
  28                 .slot   = 0,
  29                 .pin    = 1,
  30                 .irq    = AR71XX_PCI_IRQ_DEV0,
  31         }
  32 };
  33
  34 static int ap91_pci_plat_dev_init(struct pci_dev *dev)
  35 {
  36         switch (PCI_SLOT(dev->devfn)) {
  37         case 0:
  38                 dev->dev.platform_data = &ap91_wmac_data;
  39                 break;
  40         }
  41
  42         return 0;
  43 }
  44
  45 __init void ap91_pci_setup_wmac_led_pin(int pin)
  46 {
  47         ap91_wmac_data.led_pin = pin;
  48 }
  49
  50 __init void ap91_pci_setup_wmac_gpio(u32 mask, u32 val)
  51 {
  52         ap91_wmac_data.gpio_mask = mask;
  53         ap91_wmac_data.gpio_val = val;
  54 }
  55
  56 void __init ap91_pci_init(u8 *cal_data, u8 *mac_addr)
  57 {
  58         if (cal_data)
  59                 memcpy(ap91_wmac_data.eeprom_data, cal_data,
  60                        sizeof(ap91_wmac_data.eeprom_data));
  61
  62         if (mac_addr) {
  63                 memcpy(ap91_wmac_mac, mac_addr, sizeof(ap91_wmac_mac));
  64                 ap91_wmac_data.macaddr = ap91_wmac_mac;
  65         }
  66
  67         ar71xx_pci_plat_dev_init = ap91_pci_plat_dev_init;
  68         ar71xx_pci_init(ARRAY_SIZE(ap91_pci_irqs), ap91_pci_irqs);
  69
  70         pci_enable_ath9k_fixup(0, ap91_wmac_data.eeprom_data);
  71 }