tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
22static struct ath9k_platform_data ar913x_wmac_data;
23
24static 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
36static 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
46void __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}