arch/mips/ath79/dev-ar913x-wmac.c

   1 /*
   2  *  Atheros AR913X SoC built-in WMAC device support
   3  *
   4  *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
   5  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
   6  *
   7  *  This program is free software; you can redistribute it and/or modify it
   8  *  under the terms of the GNU General Public License version 2 as published
   9  *  by the Free Software Foundation.
  10  */
  11
  12 #include <linux/init.h>
  13 #include <linux/delay.h>
  14 #include <linux/irq.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/ath9k_platform.h>
  17
  18 #include <asm/mach-ath79/ath79.h>
  19 #include <asm/mach-ath79/ar71xx_regs.h>
  20 #include "dev-ar913x-wmac.h"
  21
  22 static struct ath9k_platform_data ar913x_wmac_data;
  23
  24 static struct resource ar913x_wmac_resources[] = {
  25         {
  26                 .start  = AR913X_WMAC_BASE,
  27                 .end    = AR913X_WMAC_BASE + AR913X_WMAC_SIZE - 1,
  28                 .flags  = IORESOURCE_MEM,
  29         }, {
  30                 .start  = ATH79_CPU_IRQ_IP2,
  31                 .end    = ATH79_CPU_IRQ_IP2,
  32                 .flags  = IORESOURCE_IRQ,
  33         },
  34 };
  35
  36 static struct platform_device ar913x_wmac_device = {
  37         .name           = "ath9k",
  38         .id             = -1,
  39         .resource       = ar913x_wmac_resources,
  40         .num_resources  = ARRAY_SIZE(ar913x_wmac_resources),
  41         .dev = {
  42                 .platform_data = &ar913x_wmac_data,
  43         },
  44 };
  45
  46 void __init ath79_register_ar913x_wmac(u8 *cal_data)
  47 {
  48         if (cal_data)
  49                 memcpy(ar913x_wmac_data.eeprom_data, cal_data,
  50                        sizeof(ar913x_wmac_data.eeprom_data));
  51
  52         /* reset the WMAC */
  53         ath79_device_reset_set(AR913X_RESET_AMBA2WMAC);
  54         mdelay(10);
  55
  56         ath79_device_reset_clear(AR913X_RESET_AMBA2WMAC);
  57         mdelay(10);
  58
  59         platform_device_register(&ar913x_wmac_device);
  60 }