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 static char ar913x_wmac_mac[6];
  27
  28 static struct resource ar913x_wmac_resources[] = {
  29         {
  30                 .start  = AR91XX_WMAC_BASE,
  31                 .end    = AR91XX_WMAC_BASE + AR91XX_WMAC_SIZE - 1,
  32                 .flags  = IORESOURCE_MEM,
  33         }, {
  34                 .start  = AR71XX_CPU_IRQ_IP2,
  35                 .end    = AR71XX_CPU_IRQ_IP2,
  36                 .flags  = IORESOURCE_IRQ,
  37         },
  38 };
  39
  40 static struct platform_device ar913x_wmac_device = {
  41         .name           = "ath9k",
  42         .id             = -1,
  43         .resource       = ar913x_wmac_resources,
  44         .num_resources  = ARRAY_SIZE(ar913x_wmac_resources),
  45         .dev = {
  46                 .platform_data = &ar913x_wmac_data,
  47         },
  48 };
  49
  50 void __init ar913x_add_device_wmac(u8 *cal_data, u8 *mac_addr)
  51 {
  52         if (cal_data)
  53                 memcpy(ar913x_wmac_data.eeprom_data, cal_data,
  54                        sizeof(ar913x_wmac_data.eeprom_data));
  55
  56         if (mac_addr) {
  57                 memcpy(ar913x_wmac_mac, mac_addr, sizeof(ar913x_wmac_mac));
  58                 ar913x_wmac_data.macaddr = ar913x_wmac_mac;
  59         }
  60
  61         ar71xx_device_stop(RESET_MODULE_AMBA2WMAC);
  62         mdelay(10);
  63
  64         ar71xx_device_start(RESET_MODULE_AMBA2WMAC);
  65         mdelay(10);
  66
  67         platform_device_register(&ar913x_wmac_device);
  68 }