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 void __init ap94_pci_enable_quirk_wndr3700(void)
  58 {
  59         /* WNDR3700 uses GPIO 6-9 for antenna configuration */
  60
  61         ap94_wmac0_data.led_pin = 5;
  62         ap94_wmac0_data.gpio_mask = (0xf << 6);
  63         /* 2.4 GHz uses the first fixed antenna group (0, 1, 0, 1) */
  64         ap94_wmac0_data.gpio_val = (5 << 6);
  65
  66         ap94_wmac1_data.led_pin = 5;
  67         ap94_wmac1_data.gpio_mask = (0xf << 6);
  68         /* 5 GHz uses the second fixed antenna group (0, 1, 1, 0) */
  69         ap94_wmac1_data.gpio_val = (6 << 6);
  70 }
  71
  72 void __init ap94_pci_init(u8 *cal_data0, u8 *mac_addr0,
  73                           u8 *cal_data1, u8 *mac_addr1)
  74 {
  75         if (cal_data0)
  76                 memcpy(ap94_wmac0_data.eeprom_data, cal_data0,
  77                        sizeof(ap94_wmac0_data.eeprom_data));
  78
  79         if (cal_data1)
  80                 memcpy(ap94_wmac1_data.eeprom_data, cal_data1,
  81                        sizeof(ap94_wmac1_data.eeprom_data));
  82
  83         if (mac_addr0) {
  84                 memcpy(ap94_wmac0_mac, mac_addr0, sizeof(ap94_wmac0_mac));
  85                 ap94_wmac0_data.macaddr = ap94_wmac0_mac;
  86         }
  87
  88         if (mac_addr1) {
  89                 memcpy(ap94_wmac1_mac, mac_addr1, sizeof(ap94_wmac1_mac));
  90                 ap94_wmac1_data.macaddr = ap94_wmac1_mac;
  91         }
  92
  93         ar71xx_pci_plat_dev_init = ap94_pci_plat_dev_init;
  94         ar71xx_pci_init(ARRAY_SIZE(ap94_pci_irqs), ap94_pci_irqs);
  95
  96         pci_enable_ath9k_fixup(17, ap94_wmac0_data.eeprom_data);
  97         pci_enable_ath9k_fixup(18, ap94_wmac1_data.eeprom_data);
  98 }