target/linux/ar71xx/files/arch/mips/ar71xx/dev-ap94-pci.c

   1 /*
   2  *  Atheros AP94 reference board PCI initialization
   3  *
   4  *  Copyright (C) 2009-2010 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-ap94-pci.h"
  19 #include "pci-ath9k-fixup.h"
  20
  21 static struct ath9k_platform_data ap94_wmac0_data = {
  22         .led_pin = -1,
  23 };
  24 static struct ath9k_platform_data ap94_wmac1_data = {
  25         .led_pin = -1,
  26 };
  27 static char ap94_wmac0_mac[6];
  28 static char ap94_wmac1_mac[6];
  29
  30 static struct ar71xx_pci_irq ap94_pci_irqs[] __initdata = {
  31         {
  32                 .slot   = 0,
  33                 .pin    = 1,
  34                 .irq    = AR71XX_PCI_IRQ_DEV0,
  35         }, {
  36                 .slot   = 1,
  37                 .pin    = 1,
  38                 .irq    = AR71XX_PCI_IRQ_DEV1,
  39         }
  40 };
  41
  42 static int ap94_pci_plat_dev_init(struct pci_dev *dev)
  43 {
  44         switch (PCI_SLOT(dev->devfn)) {
  45         case 17:
  46                 dev->dev.platform_data = &ap94_wmac0_data;
  47                 break;
  48
  49         case 18:
  50                 dev->dev.platform_data = &ap94_wmac1_data;
  51                 break;
  52         }
  53
  54         return 0;
  55 }
  56
  57 __init void ap94_pci_setup_wmac_led_pin(unsigned wmac, int pin)
  58 {
  59         switch (wmac) {
  60         case 0:
  61                 ap94_wmac0_data.led_pin = pin;
  62                 break;
  63         case 1:
  64                 ap94_wmac1_data.led_pin = pin;
  65                 break;
  66         }
  67 }
  68
  69 __init void ap94_pci_setup_wmac_gpio(unsigned wmac, u32 mask, u32 val)
  70 {
  71         switch (wmac) {
  72         case 0:
  73                 ap94_wmac0_data.gpio_mask = mask;
  74                 ap94_wmac0_data.gpio_val = val;
  75                 break;
  76         case 1:
  77                 ap94_wmac1_data.gpio_mask = mask;
  78                 ap94_wmac1_data.gpio_val = val;
  79                 break;
  80         }
  81 }
  82
  83 void __init ap94_pci_init(u8 *cal_data0, u8 *mac_addr0,
  84                           u8 *cal_data1, u8 *mac_addr1)
  85 {
  86         if (cal_data0)
  87                 memcpy(ap94_wmac0_data.eeprom_data, cal_data0,
  88                        sizeof(ap94_wmac0_data.eeprom_data));
  89
  90         if (cal_data1)
  91                 memcpy(ap94_wmac1_data.eeprom_data, cal_data1,
  92                        sizeof(ap94_wmac1_data.eeprom_data));
  93
  94         if (mac_addr0) {
  95                 memcpy(ap94_wmac0_mac, mac_addr0, sizeof(ap94_wmac0_mac));
  96                 ap94_wmac0_data.macaddr = ap94_wmac0_mac;
  97         }
  98
  99         if (mac_addr1) {
 100                 memcpy(ap94_wmac1_mac, mac_addr1, sizeof(ap94_wmac1_mac));
 101                 ap94_wmac1_data.macaddr = ap94_wmac1_mac;
 102         }
 103
 104         ar71xx_pci_plat_dev_init = ap94_pci_plat_dev_init;
 105         ar71xx_pci_init(ARRAY_SIZE(ap94_pci_irqs), ap94_pci_irqs);
 106
 107         pci_enable_ath9k_fixup(17, ap94_wmac0_data.eeprom_data);
 108         pci_enable_ath9k_fixup(18, ap94_wmac1_data.eeprom_data);
 109 }