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 resource ar913x_wmac_resources[] = {
  26         {
  27                 .start  = AR91XX_WMAC_BASE,
  28                 .end    = AR91XX_WMAC_BASE + AR91XX_WMAC_SIZE - 1,
  29                 .flags  = IORESOURCE_MEM,
  30         }, {
  31                 .start  = AR71XX_CPU_IRQ_WMAC,
  32                 .end    = AR71XX_CPU_IRQ_WMAC,
  33                 .flags  = IORESOURCE_IRQ,
  34         },
  35 };
  36
  37 static struct ath9k_platform_data ar913x_wmac_data;
  38
  39 static struct platform_device ar913x_wmac_device = {
  40         .name           = "ath9k",
  41         .id             = -1,
  42         .resource       = ar913x_wmac_resources,
  43         .num_resources  = ARRAY_SIZE(ar913x_wmac_resources),
  44         .dev = {
  45                 .platform_data = &ar913x_wmac_data,
  46         },
  47 };
  48
  49 void __init ar913x_add_device_wmac(void)
  50 {
  51         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
  52
  53         memcpy(ar913x_wmac_data.eeprom_data, ee,
  54                sizeof(ar913x_wmac_data.eeprom_data));
  55
  56         ar71xx_device_stop(RESET_MODULE_AMBA2WMAC);
  57         mdelay(10);
  58
  59         ar71xx_device_start(RESET_MODULE_AMBA2WMAC);
  60         mdelay(10);
  61
  62         platform_device_register(&ar913x_wmac_device);
  63 }