Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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: Gabor 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: Ralf Baechle <ralf@linux-mips.org>
authored by Gabor Juhos and committed by Ralf Baechle f5b35d0b aa6695ec
+5
arch/mips/ath79/Kconfig
+5
arch/mips/ath79/Kconfig
···
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config ATH79_MACH_AP81
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bool "Atheros AP81 reference board"
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select SOC_AR913X
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select ATH79_DEV_AR913X_WMAC
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select ATH79_DEV_GPIO_BUTTONS
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select ATH79_DEV_LEDS_GPIO
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select ATH79_DEV_SPI
···
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def_bool n
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config SOC_AR913X
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def_bool n
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config ATH79_DEV_AR913X_WMAC
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depends on SOC_AR913X
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def_bool n
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config ATH79_DEV_GPIO_BUTTONS
+1
arch/mips/ath79/Makefile
+1
arch/mips/ath79/Makefile
+60
arch/mips/ath79/dev-ar913x-wmac.c
+60
arch/mips/ath79/dev-ar913x-wmac.c
···
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/*
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* Atheros AR913X SoC built-in WMAC device support
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*
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* Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
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* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/irq.h>
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#include <linux/platform_device.h>
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#include <linux/ath9k_platform.h>
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+
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#include <asm/mach-ath79/ath79.h>
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#include <asm/mach-ath79/ar71xx_regs.h>
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#include "dev-ar913x-wmac.h"
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static struct ath9k_platform_data ar913x_wmac_data;
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static struct resource ar913x_wmac_resources[] = {
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{
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.start = AR913X_WMAC_BASE,
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.end = AR913X_WMAC_BASE + AR913X_WMAC_SIZE - 1,
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.flags = IORESOURCE_MEM,
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}, {
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.start = ATH79_CPU_IRQ_IP2,
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.end = ATH79_CPU_IRQ_IP2,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device ar913x_wmac_device = {
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.name = "ath9k",
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.id = -1,
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.resource = ar913x_wmac_resources,
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.num_resources = ARRAY_SIZE(ar913x_wmac_resources),
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.dev = {
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.platform_data = &ar913x_wmac_data,
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},
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};
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void __init ath79_register_ar913x_wmac(u8 *cal_data)
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{
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if (cal_data)
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memcpy(ar913x_wmac_data.eeprom_data, cal_data,
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sizeof(ar913x_wmac_data.eeprom_data));
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/* reset the WMAC */
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ath79_device_reset_set(AR913X_RESET_AMBA2WMAC);
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mdelay(10);
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ath79_device_reset_clear(AR913X_RESET_AMBA2WMAC);
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mdelay(10);
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platform_device_register(&ar913x_wmac_device);
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}
+17
arch/mips/ath79/dev-ar913x-wmac.h
+17
arch/mips/ath79/dev-ar913x-wmac.h
···
1
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/*
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* Atheros AR913X SoC built-in WMAC device support
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*
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* Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
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* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#ifndef _ATH79_DEV_AR913X_WMAC_H
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#define _ATH79_DEV_AR913X_WMAC_H
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void ath79_register_ar913x_wmac(u8 *cal_data);
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#endif /* _ATH79_DEV_AR913X_WMAC_H */
+6
arch/mips/ath79/mach-ap81.c
+6
arch/mips/ath79/mach-ap81.c
···
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*/
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#include "machtypes.h"
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#include "dev-ar913x-wmac.h"
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#include "dev-gpio-buttons.h"
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#include "dev-leds-gpio.h"
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#include "dev-spi.h"
···
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#define AP81_KEYS_POLL_INTERVAL 20 /* msecs */
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#define AP81_KEYS_DEBOUNCE_INTERVAL (3 * AP81_KEYS_POLL_INTERVAL)
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#define AP81_CAL_DATA_ADDR 0x1fff1000
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static struct gpio_led ap81_leds_gpio[] __initdata = {
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{
···
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static void __init ap81_setup(void)
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{
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u8 *cal_data = (u8 *) KSEG1ADDR(AP81_CAL_DATA_ADDR);
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ath79_register_leds_gpio(-1, ARRAY_SIZE(ap81_leds_gpio),
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ap81_leds_gpio);
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ath79_register_gpio_keys_polled(-1, AP81_KEYS_POLL_INTERVAL,
···
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ap81_gpio_keys);
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ath79_register_spi(&ap81_spi_data, ap81_spi_info,
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ARRAY_SIZE(ap81_spi_info));
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ath79_register_ar913x_wmac(cal_data);
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}
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MIPS_MACHINE(ATH79_MACH_AP81, "AP81", "Atheros AP81 reference board",
+3
arch/mips/include/asm/mach-ath79/ar71xx_regs.h
+3
arch/mips/include/asm/mach-ath79/ar71xx_regs.h