linux_dsm_epyc7002/arch/mips/ath79/dev-ar913x-wmac.c
Gabor Juhos f5b35d0b16 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>
2011-01-18 19:30:28 +01:00

61 lines
1.5 KiB
C

/*
* 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);
}