Commit f5b35d0b authored by Gabor Juhos's avatar Gabor Juhos Committed by Ralf Baechle
Browse files

MIPS: ath79: add common WMAC device for AR913X based boards 



Add common platform_device and helper code to make the registration
of the built-in wireless MAC easier on the Atheros AR9130/AR9132
based boards. Also register the WMAC device on the AR81 board.

Signed-off-by: default avatarGabor Juhos <juhosg@openwrt.org>
Cc: linux-mips@linux-mips.org
Cc: Imre Kaloz <kaloz@openwrt.org>,
Cc: Luis R. Rodriguez <lrodriguez@atheros.com>
Cc: Cliff Holden <Cliff.Holden@Atheros.com>
Cc: Kathy Giori <Kathy.Giori@Atheros.com>
Patchwork: https://patchwork.linux-mips.org/patch/1962/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent aa6695ec

arch/mips/ath79/Kconfig

+5 −0
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ menu "Atheros AR71XX/AR724X/AR913X machine selection" 
config ATH79_MACH_AP81

	bool "Atheros AP81 reference board"

	select SOC_AR913X

	select ATH79_DEV_AR913X_WMAC

	select ATH79_DEV_GPIO_BUTTONS

	select ATH79_DEV_LEDS_GPIO

	select ATH79_DEV_SPI
@@ -33,6 +34,10 @@ config SOC_AR724X 
config SOC_AR913X

	def_bool n



config ATH79_DEV_AR913X_WMAC

	depends on SOC_AR913X

	def_bool n



config ATH79_DEV_GPIO_BUTTONS

	def_bool n

arch/mips/ath79/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ obj-$(CONFIG_EARLY_PRINTK) += early_printk.o 
# Devices

#

obj-y					+= dev-common.o

obj-$(CONFIG_ATH79_DEV_AR913X_WMAC)	+= dev-ar913x-wmac.o

obj-$(CONFIG_ATH79_DEV_GPIO_BUTTONS)	+= dev-gpio-buttons.o

obj-$(CONFIG_ATH79_DEV_LEDS_GPIO)	+= dev-leds-gpio.o

obj-$(CONFIG_ATH79_DEV_SPI)		+= dev-spi.o

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

0 → 100644
+60 −0
Original line number Diff line number Diff line 
/*

 *  Atheros AR913X SoC built-in WMAC device support

 *

 *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>

 *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>

 *

 *  This program is free software; you can redistribute it and/or modify it

 *  under the terms of the GNU General Public License version 2 as published

 *  by the Free Software Foundation.

 */



#include <linux/init.h>

#include <linux/delay.h>

#include <linux/irq.h>

#include <linux/platform_device.h>

#include <linux/ath9k_platform.h>



#include <asm/mach-ath79/ath79.h>

#include <asm/mach-ath79/ar71xx_regs.h>

#include "dev-ar913x-wmac.h"



static struct ath9k_platform_data ar913x_wmac_data;



static struct resource ar913x_wmac_resources[] = {

	{

		.start	= AR913X_WMAC_BASE,

		.end	= AR913X_WMAC_BASE + AR913X_WMAC_SIZE - 1,

		.flags	= IORESOURCE_MEM,

	}, {

		.start	= ATH79_CPU_IRQ_IP2,

		.end	= ATH79_CPU_IRQ_IP2,

		.flags	= IORESOURCE_IRQ,

	},

};



static struct platform_device ar913x_wmac_device = {

	.name		= "ath9k",

	.id		= -1,

	.resource	= ar913x_wmac_resources,

	.num_resources	= ARRAY_SIZE(ar913x_wmac_resources),

	.dev = {

		.platform_data = &ar913x_wmac_data,

	},

};



void __init ath79_register_ar913x_wmac(u8 *cal_data)

{

	if (cal_data)

		memcpy(ar913x_wmac_data.eeprom_data, cal_data,

		       sizeof(ar913x_wmac_data.eeprom_data));



	/* reset the WMAC */

	ath79_device_reset_set(AR913X_RESET_AMBA2WMAC);

	mdelay(10);



	ath79_device_reset_clear(AR913X_RESET_AMBA2WMAC);

	mdelay(10);



	platform_device_register(&ar913x_wmac_device);

}

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

0 → 100644
+17 −0
Original line number Diff line number Diff line 
/*

 *  Atheros AR913X SoC built-in WMAC device support

 *

 *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>

 *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>

 *

 *  This program is free software; you can redistribute it and/or modify it

 *  under the terms of the GNU General Public License version 2 as published

 *  by the Free Software Foundation.

 */



#ifndef _ATH79_DEV_AR913X_WMAC_H

#define _ATH79_DEV_AR913X_WMAC_H



void ath79_register_ar913x_wmac(u8 *cal_data);



#endif /* _ATH79_DEV_AR913X_WMAC_H */

arch/mips/ath79/mach-ap81.c

+6 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ 
 */



#include "machtypes.h"

#include "dev-ar913x-wmac.h"

#include "dev-gpio-buttons.h"

#include "dev-leds-gpio.h"

#include "dev-spi.h"
@@ -25,6 +26,8 @@ 
#define AP81_KEYS_POLL_INTERVAL		20	/* msecs */

#define AP81_KEYS_DEBOUNCE_INTERVAL	(3 * AP81_KEYS_POLL_INTERVAL)



#define AP81_CAL_DATA_ADDR	0x1fff1000



static struct gpio_led ap81_leds_gpio[] __initdata = {

	{

		.name		= "ap81:green:status",
@@ -79,6 +82,8 @@ static struct ath79_spi_platform_data ap81_spi_data = { 


static void __init ap81_setup(void)

{

	u8 *cal_data = (u8 *) KSEG1ADDR(AP81_CAL_DATA_ADDR);



	ath79_register_leds_gpio(-1, ARRAY_SIZE(ap81_leds_gpio),

				 ap81_leds_gpio);

	ath79_register_gpio_keys_polled(-1, AP81_KEYS_POLL_INTERVAL,
@@ -86,6 +91,7 @@ static void __init ap81_setup(void) 
					ap81_gpio_keys);

	ath79_register_spi(&ap81_spi_data, ap81_spi_info,

			   ARRAY_SIZE(ap81_spi_info));

	ath79_register_ar913x_wmac(cal_data);

}



MIPS_MACHINE(ATH79_MACH_AP81, "AP81", "Atheros AP81 reference board",

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