target/linux/ar71xx/files/arch/mips/ar71xx/dev-ar913x-wmac.c

   1 /*
   2  *  Atheros AR913x SoC built-in WMAC device support
   3  *
   4  *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
   6  *
   7  *  Parts of this file are based on Atheros' 2.6.15 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/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/delay.h>
  17 #include <linux/etherdevice.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/ath9k_platform.h>
  20
  21 #include <asm/mach-ar71xx/ar71xx.h>
  22
  23 #include "dev-ar913x-wmac.h"
  24
  25 static struct ath9k_platform_data ar913x_wmac_data = {
  26         .led_pin = -1,
  27 };
  28 static char ar913x_wmac_mac[6];
  29
  30 static struct resource ar913x_wmac_resources[] = {
  31         {
  32                 .start  = AR91XX_WMAC_BASE,
  33                 .end    = AR91XX_WMAC_BASE + AR91XX_WMAC_SIZE - 1,
  34                 .flags  = IORESOURCE_MEM,
  35         }, {
  36                 .start  = AR71XX_CPU_IRQ_IP2,
  37                 .end    = AR71XX_CPU_IRQ_IP2,
  38                 .flags  = IORESOURCE_IRQ,
  39         },
  40 };
  41
  42 static struct platform_device ar913x_wmac_device = {
  43         .name           = "ath9k",
  44         .id             = -1,
  45         .resource       = ar913x_wmac_resources,
  46         .num_resources  = ARRAY_SIZE(ar913x_wmac_resources),
  47         .dev = {
  48                 .platform_data = &ar913x_wmac_data,
  49         },
  50 };
  51
  52 void __init ar913x_add_device_wmac(u8 *cal_data, u8 *mac_addr)
  53 {
  54         if (cal_data)
  55                 memcpy(ar913x_wmac_data.eeprom_data, cal_data,
  56                        sizeof(ar913x_wmac_data.eeprom_data));
  57
  58         if (mac_addr) {
  59                 memcpy(ar913x_wmac_mac, mac_addr, sizeof(ar913x_wmac_mac));
  60                 ar913x_wmac_data.macaddr = ar913x_wmac_mac;
  61         }
  62
  63         ar71xx_device_stop(RESET_MODULE_AMBA2WMAC);
  64         mdelay(10);
  65
  66         ar71xx_device_start(RESET_MODULE_AMBA2WMAC);
  67         mdelay(10);
  68
  69         platform_device_register(&ar913x_wmac_device);
  70 }