[deliverable/linux.git] / arch / mips / ar7 / platform.c

/*
 * Copyright (C) 2006,2007 Felix Fietkau <nbd@openwrt.org>
 * Copyright (C) 2006,2007 Eugene Konev <ejka@openwrt.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include <linux/init.h>
#include <linux/types.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
#include <linux/ioport.h>
#include <linux/io.h>
#include <linux/vlynq.h>
#include <linux/leds.h>
#include <linux/string.h>
#include <linux/etherdevice.h>
#include <linux/phy.h>
#include <linux/phy_fixed.h>
#include <linux/gpio.h>
#include <linux/clk.h>

#include <asm/addrspace.h>
#include <asm/mach-ar7/ar7.h>
#include <asm/mach-ar7/gpio.h>
#include <asm/mach-ar7/prom.h>

/*****************************************************************************
 * VLYNQ Bus
 ****************************************************************************/
struct plat_vlynq_data {
	struct plat_vlynq_ops ops;
	int gpio_bit;
	int reset_bit;
};

static int vlynq_on(struct vlynq_device *dev)
{
	int ret;
	struct plat_vlynq_data *pdata = dev->dev.platform_data;

	ret = gpio_request(pdata->gpio_bit, "vlynq");
	if (ret)
		goto out;

	ar7_device_reset(pdata->reset_bit);

	ret = ar7_gpio_disable(pdata->gpio_bit);
	if (ret)
		goto out_enabled;

	ret = ar7_gpio_enable(pdata->gpio_bit);
	if (ret)
		goto out_enabled;

	ret = gpio_direction_output(pdata->gpio_bit, 0);
	if (ret)
		goto out_gpio_enabled;

	msleep(50);

	gpio_set_value(pdata->gpio_bit, 1);

	msleep(50);

	return 0;

out_gpio_enabled:
	ar7_gpio_disable(pdata->gpio_bit);
out_enabled:
	ar7_device_disable(pdata->reset_bit);
	gpio_free(pdata->gpio_bit);
out:
	return ret;
}

static void vlynq_off(struct vlynq_device *dev)
{
	struct plat_vlynq_data *pdata = dev->dev.platform_data;

	ar7_gpio_disable(pdata->gpio_bit);
	gpio_free(pdata->gpio_bit);
	ar7_device_disable(pdata->reset_bit);
}

static struct resource vlynq_low_res[] = {
	{
		.name	= "regs",
		.flags	= IORESOURCE_MEM,
		.start	= AR7_REGS_VLYNQ0,
		.end	= AR7_REGS_VLYNQ0 + 0xff,
	},
	{
		.name	= "irq",
		.flags	= IORESOURCE_IRQ,
		.start	= 29,
		.end	= 29,
	},
	{
		.name	= "mem",
		.flags	= IORESOURCE_MEM,
		.start	= 0x04000000,
		.end	= 0x04ffffff,
	},
	{
		.name	= "devirq",
		.flags	= IORESOURCE_IRQ,
		.start	= 80,
		.end	= 111,
	},
};

static struct resource vlynq_high_res[] = {
	{
		.name	= "regs",
		.flags	= IORESOURCE_MEM,
		.start	= AR7_REGS_VLYNQ1,
		.end	= AR7_REGS_VLYNQ1 + 0xff,
	},
	{
		.name	= "irq",
		.flags	= IORESOURCE_IRQ,
		.start	= 33,
		.end	= 33,
	},
	{
		.name	= "mem",
		.flags	= IORESOURCE_MEM,
		.start	= 0x0c000000,
		.end	= 0x0cffffff,
	},
	{
		.name	= "devirq",
		.flags	= IORESOURCE_IRQ,
		.start	= 112,
		.end	= 143,
	},
};

static struct plat_vlynq_data vlynq_low_data = {
	.ops = {
		.on	= vlynq_on,
		.off	= vlynq_off,
	},
	.reset_bit	= 20,
	.gpio_bit	= 18,
};

static struct plat_vlynq_data vlynq_high_data = {
	.ops = {
		.on	= vlynq_on,
		.off	= vlynq_off,
	},
	.reset_bit	= 16,
	.gpio_bit	= 19,
};

static struct platform_device vlynq_low = {
	.id		= 0,
	.name		= "vlynq",
	.dev = {
		.platform_data	= &vlynq_low_data,
	},
	.resource	= vlynq_low_res,
	.num_resources	= ARRAY_SIZE(vlynq_low_res),
};

static struct platform_device vlynq_high = {
	.id		= 1,
	.name		= "vlynq",
	.dev = {
		.platform_data	= &vlynq_high_data,
	},
	.resource	= vlynq_high_res,
	.num_resources	= ARRAY_SIZE(vlynq_high_res),
};

/*****************************************************************************
 * Flash
 ****************************************************************************/
static struct resource physmap_flash_resource = {
	.name	= "mem",
	.flags	= IORESOURCE_MEM,
	.start	= 0x10000000,
	.end	= 0x107fffff,
};

static struct physmap_flash_data physmap_flash_data = {
	.width	= 2,
};

static struct platform_device physmap_flash = {
	.name		= "physmap-flash",
	.dev = {
		.platform_data	= &physmap_flash_data,
	},
	.resource	= &physmap_flash_resource,
	.num_resources	= 1,
};

/*****************************************************************************
 * Ethernet
 ****************************************************************************/
static struct resource cpmac_low_res[] = {
	{
		.name	= "regs",
		.flags	= IORESOURCE_MEM,
		.start	= AR7_REGS_MAC0,
		.end	= AR7_REGS_MAC0 + 0x7ff,
	},
	{
		.name	= "irq",
		.flags	= IORESOURCE_IRQ,
		.start	= 27,
		.end	= 27,
	},
};

static struct resource cpmac_high_res[] = {
	{
		.name	= "regs",
		.flags	= IORESOURCE_MEM,
		.start	= AR7_REGS_MAC1,
		.end	= AR7_REGS_MAC1 + 0x7ff,
	},
	{
		.name	= "irq",
		.flags	= IORESOURCE_IRQ,
		.start	= 41,
		.end	= 41,
	},
};

static struct fixed_phy_status fixed_phy_status __initdata = {
	.link		= 1,
	.speed		= 100,
	.duplex		= 1,
};

static struct plat_cpmac_data cpmac_low_data = {
	.reset_bit	= 17,
	.power_bit	= 20,
	.phy_mask	= 0x80000000,
};

static struct plat_cpmac_data cpmac_high_data = {
	.reset_bit	= 21,
	.power_bit	= 22,
	.phy_mask	= 0x7fffffff,
};

static u64 cpmac_dma_mask = DMA_BIT_MASK(32);

static struct platform_device cpmac_low = {
	.id		= 0,
	.name		= "cpmac",
	.dev = {
		.dma_mask		= &cpmac_dma_mask,
		.coherent_dma_mask	= DMA_BIT_MASK(32),
		.platform_data		= &cpmac_low_data,
	},
	.resource	= cpmac_low_res,
	.num_resources	= ARRAY_SIZE(cpmac_low_res),
};

static struct platform_device cpmac_high = {
	.id		= 1,
	.name		= "cpmac",
	.dev = {
		.dma_mask		= &cpmac_dma_mask,
		.coherent_dma_mask	= DMA_BIT_MASK(32),
		.platform_data		= &cpmac_high_data,
	},
	.resource	= cpmac_high_res,
	.num_resources	= ARRAY_SIZE(cpmac_high_res),
};

static void __init cpmac_get_mac(int instance, unsigned char *dev_addr)
{
	char name[5], *mac;

	sprintf(name, "mac%c", 'a' + instance);
	mac = prom_getenv(name);
	if (!mac && instance) {
		sprintf(name, "mac%c", 'a');
		mac = prom_getenv(name);
	}

	if (mac) {
		if (sscanf(mac, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
					&dev_addr[0], &dev_addr[1],
					&dev_addr[2], &dev_addr[3],
					&dev_addr[4], &dev_addr[5]) != 6) {
			pr_warning("cannot parse mac address, "
					"using random address\n");
			eth_random_addr(dev_addr);
		}
	} else
		eth_random_addr(dev_addr);
}

/*****************************************************************************
 * USB
 ****************************************************************************/
static struct resource usb_res[] = {
	{
		.name	= "regs",
		.flags	= IORESOURCE_MEM,
		.start	= AR7_REGS_USB,
		.end	= AR7_REGS_USB + 0xff,
	},
	{
		.name	= "irq",
		.flags	= IORESOURCE_IRQ,
		.start	= 32,
		.end	= 32,
	},
	{
		.name	= "mem",
		.flags	= IORESOURCE_MEM,
		.start	= 0x03400000,
		.end	= 0x03401fff,
	},
};

static struct platform_device ar7_udc = {
	.name		= "ar7_udc",
	.resource	= usb_res,
	.num_resources	= ARRAY_SIZE(usb_res),
};

/*****************************************************************************
 * LEDs
 ****************************************************************************/
static struct gpio_led default_leds[] = {
	{
		.name			= "status",
		.gpio			= 8,
		.active_low		= 1,
	},
};

static struct gpio_led titan_leds[] = {
	{ .name = "status", .gpio = 8, .active_low = 1, },
	{ .name = "wifi", .gpio = 13, .active_low = 1, },
};

static struct gpio_led dsl502t_leds[] = {
	{
		.name			= "status",
		.gpio			= 9,
		.active_low		= 1,
	},
	{
		.name			= "ethernet",
		.gpio			= 7,
		.active_low		= 1,
	},
	{
		.name			= "usb",
		.gpio			= 12,
		.active_low		= 1,
	},
};

static struct gpio_led dg834g_leds[] = {
	{
		.name			= "ppp",
		.gpio			= 6,
		.active_low		= 1,
	},
	{
		.name			= "status",
		.gpio			= 7,
		.active_low		= 1,
	},
	{
		.name			= "adsl",
		.gpio			= 8,
		.active_low		= 1,
	},
	{
		.name			= "wifi",
		.gpio			= 12,
		.active_low		= 1,
	},
	{
		.name			= "power",
		.gpio			= 14,
		.active_low		= 1,
		.default_trigger	= "default-on",
	},
};

static struct gpio_led fb_sl_leds[] = {
	{
		.name			= "1",
		.gpio			= 7,
	},
	{
		.name			= "2",
		.gpio			= 13,
		.active_low		= 1,
	},
	{
		.name			= "3",
		.gpio			= 10,
		.active_low		= 1,
	},
	{
		.name			= "4",
		.gpio			= 12,
		.active_low		= 1,
	},
	{
		.name			= "5",
		.gpio			= 9,
		.active_low		= 1,
	},
};

static struct gpio_led fb_fon_leds[] = {
	{
		.name			= "1",
		.gpio			= 8,
	},
	{
		.name			= "2",
		.gpio			= 3,
		.active_low		= 1,
	},
	{
		.name			= "3",
		.gpio			= 5,
	},
	{
		.name			= "4",
		.gpio			= 4,
		.active_low		= 1,
	},
	{
		.name			= "5",
		.gpio			= 11,
		.active_low		= 1,
	},
};

static struct gpio_led gt701_leds[] = {
	{
		.name			= "inet:green",
		.gpio			= 13,
		.active_low		= 1,
	},
	{
		.name			= "usb",
		.gpio			= 12,
		.active_low		= 1,
	},
	{
		.name			= "inet:red",
		.gpio			= 9,
		.active_low		= 1,
	},
	{
		.name			= "power:red",
		.gpio			= 7,
		.active_low		= 1,
	},
	{
		.name			= "power:green",
		.gpio			= 8,
		.active_low		= 1,
		.default_trigger	= "default-on",
	},
        {
                .name                   = "ethernet",
                .gpio                   = 10,
                .active_low             = 1,
        },
};

static struct gpio_led_platform_data ar7_led_data;

static struct platform_device ar7_gpio_leds = {
	.name = "leds-gpio",
	.dev = {
		.platform_data = &ar7_led_data,
	}
};

static void __init detect_leds(void)
{
	char *prid, *usb_prod;

	/* Default LEDs	*/
	ar7_led_data.num_leds = ARRAY_SIZE(default_leds);
	ar7_led_data.leds = default_leds;

	/* FIXME: the whole thing is unreliable */
	prid = prom_getenv("ProductID");
	usb_prod = prom_getenv("usb_prod");

	/* If we can't get the product id from PROM, use the default LEDs */
	if (!prid)
		return;

	if (strstr(prid, "Fritz_Box_FON")) {
		ar7_led_data.num_leds = ARRAY_SIZE(fb_fon_leds);
		ar7_led_data.leds = fb_fon_leds;
	} else if (strstr(prid, "Fritz_Box_")) {
		ar7_led_data.num_leds = ARRAY_SIZE(fb_sl_leds);
		ar7_led_data.leds = fb_sl_leds;
	} else if ((!strcmp(prid, "AR7RD") || !strcmp(prid, "AR7DB"))
		&& usb_prod != NULL && strstr(usb_prod, "DSL-502T")) {
		ar7_led_data.num_leds = ARRAY_SIZE(dsl502t_leds);
		ar7_led_data.leds = dsl502t_leds;
	} else if (strstr(prid, "DG834")) {
		ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds);
		ar7_led_data.leds = dg834g_leds;
	} else if (strstr(prid, "CYWM") || strstr(prid, "CYWL")) {
		ar7_led_data.num_leds = ARRAY_SIZE(titan_leds);
		ar7_led_data.leds = titan_leds;
	} else if (strstr(prid, "GT701")) {
		ar7_led_data.num_leds = ARRAY_SIZE(gt701_leds);
		ar7_led_data.leds = gt701_leds;
	}
}

/*****************************************************************************
 * Watchdog
 ****************************************************************************/
static struct resource ar7_wdt_res = {
	.name		= "regs",
	.flags		= IORESOURCE_MEM,
	.start		= -1,	/* Filled at runtime */
	.end		= -1,	/* Filled at runtime */
};

static struct platform_device ar7_wdt = {
	.name		= "ar7_wdt",
	.resource	= &ar7_wdt_res,
	.num_resources	= 1,
};

/*****************************************************************************
 * Init
 ****************************************************************************/
static int __init ar7_register_uarts(void)
{
#ifdef CONFIG_SERIAL_8250
	static struct uart_port uart_port __initdata;
	struct clk *bus_clk;
	int res;

	memset(&uart_port, 0, sizeof(struct uart_port));

	bus_clk = clk_get(NULL, "bus");
	if (IS_ERR(bus_clk))
		panic("unable to get bus clk");

	uart_port.type		= PORT_AR7;
	uart_port.uartclk	= clk_get_rate(bus_clk) / 2;
	uart_port.iotype	= UPIO_MEM32;
	uart_port.regshift	= 2;

	uart_port.line		= 0;
	uart_port.irq		= AR7_IRQ_UART0;
	uart_port.mapbase	= AR7_REGS_UART0;
	uart_port.membase	= ioremap(uart_port.mapbase, 256);

	res = early_serial_setup(&uart_port);
	if (res)
		return res;

	/* Only TNETD73xx have a second serial port */
	if (ar7_has_second_uart()) {
		uart_port.line		= 1;
		uart_port.irq		= AR7_IRQ_UART1;
		uart_port.mapbase	= UR8_REGS_UART1;
		uart_port.membase	= ioremap(uart_port.mapbase, 256);

		res = early_serial_setup(&uart_port);
		if (res)
			return res;
	}
#endif

	return 0;
}

static void __init titan_fixup_devices(void)
{
	/* Set vlynq0 data */
	vlynq_low_data.reset_bit = 15;
	vlynq_low_data.gpio_bit = 14;

	/* Set vlynq1 data */
	vlynq_high_data.reset_bit = 16;
	vlynq_high_data.gpio_bit = 7;

	/* Set vlynq0 resources */
	vlynq_low_res[0].start = TITAN_REGS_VLYNQ0;
	vlynq_low_res[0].end = TITAN_REGS_VLYNQ0 + 0xff;
	vlynq_low_res[1].start = 33;
	vlynq_low_res[1].end = 33;
	vlynq_low_res[2].start = 0x0c000000;
	vlynq_low_res[2].end = 0x0fffffff;
	vlynq_low_res[3].start = 80;
	vlynq_low_res[3].end = 111;

	/* Set vlynq1 resources */
	vlynq_high_res[0].start = TITAN_REGS_VLYNQ1;
	vlynq_high_res[0].end = TITAN_REGS_VLYNQ1 + 0xff;
	vlynq_high_res[1].start = 34;
	vlynq_high_res[1].end = 34;
	vlynq_high_res[2].start = 0x40000000;
	vlynq_high_res[2].end = 0x43ffffff;
	vlynq_high_res[3].start = 112;
	vlynq_high_res[3].end = 143;

	/* Set cpmac0 data */
	cpmac_low_data.phy_mask = 0x40000000;

	/* Set cpmac1 data */
	cpmac_high_data.phy_mask = 0x80000000;

	/* Set cpmac0 resources */
	cpmac_low_res[0].start = TITAN_REGS_MAC0;
	cpmac_low_res[0].end = TITAN_REGS_MAC0 + 0x7ff;

	/* Set cpmac1 resources */
	cpmac_high_res[0].start = TITAN_REGS_MAC1;
	cpmac_high_res[0].end = TITAN_REGS_MAC1 + 0x7ff;
}

static int __init ar7_register_devices(void)
{
	void __iomem *bootcr;
	u32 val;
	int res;

	res = ar7_register_uarts();
	if (res)
		pr_err("unable to setup uart(s): %d\n", res);

	res = platform_device_register(&physmap_flash);
	if (res)
		pr_warning("unable to register physmap-flash: %d\n", res);

	if (ar7_is_titan())
		titan_fixup_devices();

	ar7_device_disable(vlynq_low_data.reset_bit);
	res = platform_device_register(&vlynq_low);
	if (res)
		pr_warning("unable to register vlynq-low: %d\n", res);

	if (ar7_has_high_vlynq()) {
		ar7_device_disable(vlynq_high_data.reset_bit);
		res = platform_device_register(&vlynq_high);
		if (res)
			pr_warning("unable to register vlynq-high: %d\n", res);
	}

	if (ar7_has_high_cpmac()) {
		res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
		if (!res) {
			cpmac_get_mac(1, cpmac_high_data.dev_addr);

			res = platform_device_register(&cpmac_high);
			if (res)
				pr_warning("unable to register cpmac-high: %d\n", res);
		} else
			pr_warning("unable to add cpmac-high phy: %d\n", res);
	} else
		cpmac_low_data.phy_mask = 0xffffffff;

	res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status);
	if (!res) {
		cpmac_get_mac(0, cpmac_low_data.dev_addr);
		res = platform_device_register(&cpmac_low);
		if (res)
			pr_warning("unable to register cpmac-low: %d\n", res);
	} else
		pr_warning("unable to add cpmac-low phy: %d\n", res);

	detect_leds();
	res = platform_device_register(&ar7_gpio_leds);
	if (res)
		pr_warning("unable to register leds: %d\n", res);

	res = platform_device_register(&ar7_udc);
	if (res)
		pr_warning("unable to register usb slave: %d\n", res);

	/* Register watchdog only if enabled in hardware */
	bootcr = ioremap_nocache(AR7_REGS_DCL, 4);
	val = readl(bootcr);
	iounmap(bootcr);
	if (val & AR7_WDT_HW_ENA) {
		if (ar7_has_high_vlynq())
			ar7_wdt_res.start = UR8_REGS_WDT;
		else
			ar7_wdt_res.start = AR7_REGS_WDT;

		ar7_wdt_res.end = ar7_wdt_res.start + 0x20;
		res = platform_device_register(&ar7_wdt);
		if (res)
			pr_warning("unable to register watchdog: %d\n", res);
	}

	return 0;
}
device_initcall(ar7_register_devices);
Commit	Line	Data
7ca5dc14 FF	1	/*
	2	* Copyright (C) 2006,2007 Felix Fietkau <nbd@openwrt.org>
	3	* Copyright (C) 2006,2007 Eugene Konev <ejka@openwrt.org>
	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License as published by
	7	* the Free Software Foundation; either version 2 of the License, or
	8	* (at your option) any later version.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	18	*/
	19
	20	#include <linux/init.h>
	21	#include <linux/types.h>
	22	#include <linux/module.h>
	23	#include <linux/delay.h>
	24	#include <linux/dma-mapping.h>
	25	#include <linux/platform_device.h>
	26	#include <linux/mtd/physmap.h>
	27	#include <linux/serial.h>
	28	#include <linux/serial_8250.h>
	29	#include <linux/ioport.h>
	30	#include <linux/io.h>
7ca5dc14 FF	31	#include <linux/vlynq.h>
	32	#include <linux/leds.h>
	33	#include <linux/string.h>
	34	#include <linux/etherdevice.h>
1e2c8d83 FF	35	#include <linux/phy.h>
1e2c8d83 FF	36	#include <linux/phy_fixed.h>
5f3c9098	37	#include <linux/gpio.h>
780019dd	38	#include <linux/clk.h>
7ca5dc14 FF	39
	40	#include <asm/addrspace.h>
	41	#include <asm/mach-ar7/ar7.h>
	42	#include <asm/mach-ar7/gpio.h>
	43	#include <asm/mach-ar7/prom.h>
	44
4d1da8c2 AC	45	/*****************************************************************************
	46	* VLYNQ Bus
	47	****************************************************************************/
7ca5dc14 FF	48	struct plat_vlynq_data {
	49	struct plat_vlynq_ops ops;
	50	int gpio_bit;
	51	int reset_bit;
	52	};
	53
7ca5dc14 FF	54	static int vlynq_on(struct vlynq_device *dev)
7ca5dc14 FF	55	{
4d1da8c2	56	int ret;
7ca5dc14 FF	57	struct plat_vlynq_data *pdata = dev->dev.platform_data;
7ca5dc14 FF	58
4d1da8c2 AC	59	ret = gpio_request(pdata->gpio_bit, "vlynq");
4d1da8c2 AC	60	if (ret)
7ca5dc14 FF	61	goto out;
	62
	63	ar7_device_reset(pdata->reset_bit);
	64
4d1da8c2 AC	65	ret = ar7_gpio_disable(pdata->gpio_bit);
4d1da8c2 AC	66	if (ret)
7ca5dc14 FF	67	goto out_enabled;
7ca5dc14 FF	68
4d1da8c2 AC	69	ret = ar7_gpio_enable(pdata->gpio_bit);
4d1da8c2 AC	70	if (ret)
7ca5dc14 FF	71	goto out_enabled;
7ca5dc14 FF	72
4d1da8c2 AC	73	ret = gpio_direction_output(pdata->gpio_bit, 0);
4d1da8c2 AC	74	if (ret)
7ca5dc14 FF	75	goto out_gpio_enabled;
	76
	77	msleep(50);
	78
	79	gpio_set_value(pdata->gpio_bit, 1);
4d1da8c2	80
7ca5dc14 FF	81	msleep(50);
	82
	83	return 0;
	84
	85	out_gpio_enabled:
	86	ar7_gpio_disable(pdata->gpio_bit);
	87	out_enabled:
	88	ar7_device_disable(pdata->reset_bit);
	89	gpio_free(pdata->gpio_bit);
	90	out:
4d1da8c2	91	return ret;
7ca5dc14 FF	92	}
	93
	94	static void vlynq_off(struct vlynq_device *dev)
	95	{
	96	struct plat_vlynq_data *pdata = dev->dev.platform_data;
4d1da8c2	97
7ca5dc14 FF	98	ar7_gpio_disable(pdata->gpio_bit);
	99	gpio_free(pdata->gpio_bit);
	100	ar7_device_disable(pdata->reset_bit);
	101	}
	102
4d1da8c2	103	static struct resource vlynq_low_res[] = {
7ca5dc14	104	{
4d1da8c2 AC	105	.name = "regs",
	106	.flags = IORESOURCE_MEM,
	107	.start = AR7_REGS_VLYNQ0,
	108	.end = AR7_REGS_VLYNQ0 + 0xff,
7ca5dc14 FF	109	},
7ca5dc14 FF	110	{
4d1da8c2 AC	111	.name = "irq",
	112	.flags = IORESOURCE_IRQ,
	113	.start = 29,
	114	.end = 29,
7ca5dc14	115	},
7ca5dc14	116	{
4d1da8c2 AC	117	.name = "mem",
	118	.flags = IORESOURCE_MEM,
	119	.start = 0x04000000,
	120	.end = 0x04ffffff,
7ca5dc14 FF	121	},
7ca5dc14 FF	122	{
4d1da8c2 AC	123	.name = "devirq",
	124	.flags = IORESOURCE_IRQ,
	125	.start = 80,
	126	.end = 111,
7ca5dc14 FF	127	},
	128	};
	129
4d1da8c2	130	static struct resource vlynq_high_res[] = {
7ca5dc14	131	{
4d1da8c2 AC	132	.name = "regs",
	133	.flags = IORESOURCE_MEM,
	134	.start = AR7_REGS_VLYNQ1,
	135	.end = AR7_REGS_VLYNQ1 + 0xff,
7ca5dc14 FF	136	},
7ca5dc14 FF	137	{
4d1da8c2 AC	138	.name = "irq",
	139	.flags = IORESOURCE_IRQ,
	140	.start = 33,
	141	.end = 33,
7ca5dc14 FF	142	},
7ca5dc14 FF	143	{
4d1da8c2 AC	144	.name = "mem",
	145	.flags = IORESOURCE_MEM,
	146	.start = 0x0c000000,
	147	.end = 0x0cffffff,
7ca5dc14 FF	148	},
7ca5dc14 FF	149	{
4d1da8c2 AC	150	.name = "devirq",
	151	.flags = IORESOURCE_IRQ,
	152	.start = 112,
	153	.end = 143,
7ca5dc14 FF	154	},
	155	};
	156
4d1da8c2 AC	157	static struct plat_vlynq_data vlynq_low_data = {
	158	.ops = {
	159	.on = vlynq_on,
	160	.off = vlynq_off,
7ca5dc14	161	},
4d1da8c2 AC	162	.reset_bit = 20,
	163	.gpio_bit = 18,
	164	};
	165
	166	static struct plat_vlynq_data vlynq_high_data = {
	167	.ops = {
	168	.on = vlynq_on,
	169	.off = vlynq_off,
7ca5dc14	170	},
1e3fb377	171	.reset_bit = 16,
4d1da8c2 AC	172	.gpio_bit = 19,
	173	};
	174
	175	static struct platform_device vlynq_low = {
	176	.id = 0,
	177	.name = "vlynq",
	178	.dev = {
	179	.platform_data = &vlynq_low_data,
7ca5dc14	180	},
4d1da8c2 AC	181	.resource = vlynq_low_res,
	182	.num_resources = ARRAY_SIZE(vlynq_low_res),
	183	};
	184
	185	static struct platform_device vlynq_high = {
	186	.id = 1,
	187	.name = "vlynq",
	188	.dev = {
	189	.platform_data = &vlynq_high_data,
7ca5dc14	190	},
4d1da8c2 AC	191	.resource = vlynq_high_res,
4d1da8c2 AC	192	.num_resources = ARRAY_SIZE(vlynq_high_res),
7ca5dc14 FF	193	};
7ca5dc14 FF	194
4d1da8c2 AC	195	/*****************************************************************************
	196	* Flash
	197	****************************************************************************/
	198	static struct resource physmap_flash_resource = {
	199	.name = "mem",
	200	.flags = IORESOURCE_MEM,
	201	.start = 0x10000000,
	202	.end = 0x107fffff,
	203	};
	204
	205	static struct physmap_flash_data physmap_flash_data = {
	206	.width = 2,
	207	};
	208
	209	static struct platform_device physmap_flash = {
	210	.name = "physmap-flash",
	211	.dev = {
	212	.platform_data = &physmap_flash_data,
7ca5dc14	213	},
4d1da8c2 AC	214	.resource = &physmap_flash_resource,
	215	.num_resources = 1,
	216	};
	217
	218	/*****************************************************************************
	219	* Ethernet
	220	****************************************************************************/
	221	static struct resource cpmac_low_res[] = {
7ca5dc14	222	{
4d1da8c2 AC	223	.name = "regs",
	224	.flags = IORESOURCE_MEM,
	225	.start = AR7_REGS_MAC0,
	226	.end = AR7_REGS_MAC0 + 0x7ff,
7ca5dc14 FF	227	},
7ca5dc14 FF	228	{
4d1da8c2 AC	229	.name = "irq",
	230	.flags = IORESOURCE_IRQ,
	231	.start = 27,
11454100	232	.end = 27,
7ca5dc14 FF	233	},
	234	};
	235
4d1da8c2 AC	236	static struct resource cpmac_high_res[] = {
	237	{
	238	.name = "regs",
	239	.flags = IORESOURCE_MEM,
	240	.start = AR7_REGS_MAC1,
	241	.end = AR7_REGS_MAC1 + 0x7ff,
	242	},
	243	{
	244	.name = "irq",
	245	.flags = IORESOURCE_IRQ,
	246	.start = 41,
	247	.end = 41,
	248	},
7ca5dc14 FF	249	};
7ca5dc14 FF	250
1e2c8d83	251	static struct fixed_phy_status fixed_phy_status __initdata = {
4d1da8c2 AC	252	.link = 1,
	253	.speed = 100,
	254	.duplex = 1,
1e2c8d83 FF	255	};
1e2c8d83 FF	256
7ca5dc14	257	static struct plat_cpmac_data cpmac_low_data = {
4d1da8c2 AC	258	.reset_bit = 17,
	259	.power_bit = 20,
	260	.phy_mask = 0x80000000,
7ca5dc14 FF	261	};
	262
	263	static struct plat_cpmac_data cpmac_high_data = {
4d1da8c2 AC	264	.reset_bit = 21,
	265	.power_bit = 22,
	266	.phy_mask = 0x7fffffff,
7ca5dc14 FF	267	};
7ca5dc14 FF	268
8e84c148	269	static u64 cpmac_dma_mask = DMA_BIT_MASK(32);
4d1da8c2	270
7ca5dc14	271	static struct platform_device cpmac_low = {
4d1da8c2 AC	272	.id = 0,
4d1da8c2 AC	273	.name = "cpmac",
7ca5dc14	274	.dev = {
4d1da8c2 AC	275	.dma_mask = &cpmac_dma_mask,
	276	.coherent_dma_mask = DMA_BIT_MASK(32),
	277	.platform_data = &cpmac_low_data,
7ca5dc14	278	},
4d1da8c2 AC	279	.resource = cpmac_low_res,
4d1da8c2 AC	280	.num_resources = ARRAY_SIZE(cpmac_low_res),
7ca5dc14 FF	281	};
	282
	283	static struct platform_device cpmac_high = {
4d1da8c2 AC	284	.id = 1,
4d1da8c2 AC	285	.name = "cpmac",
7ca5dc14	286	.dev = {
4d1da8c2 AC	287	.dma_mask = &cpmac_dma_mask,
	288	.coherent_dma_mask = DMA_BIT_MASK(32),
	289	.platform_data = &cpmac_high_data,
7ca5dc14	290	},
4d1da8c2 AC	291	.resource = cpmac_high_res,
4d1da8c2 AC	292	.num_resources = ARRAY_SIZE(cpmac_high_res),
7ca5dc14 FF	293	};
7ca5dc14 FF	294
d16f7093	295	static void __init cpmac_get_mac(int instance, unsigned char *dev_addr)
4d1da8c2	296	{
d16f7093	297	char name[5], *mac;
4d1da8c2	298
4d1da8c2 AC	299	sprintf(name, "mac%c", 'a' + instance);
4d1da8c2 AC	300	mac = prom_getenv(name);
d16f7093	301	if (!mac && instance) {
4d1da8c2 AC	302	sprintf(name, "mac%c", 'a');
	303	mac = prom_getenv(name);
	304	}
d16f7093 AC	305
	306	if (mac) {
	307	if (sscanf(mac, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
	308	&dev_addr[0], &dev_addr[1],
	309	&dev_addr[2], &dev_addr[3],
	310	&dev_addr[4], &dev_addr[5]) != 6) {
	311	pr_warning("cannot parse mac address, "
	312	"using random address\n");
6e5928f6	313	eth_random_addr(dev_addr);
d16f7093 AC	314	}
d16f7093 AC	315	} else
6e5928f6	316	eth_random_addr(dev_addr);
4d1da8c2 AC	317	}
	318
	319	/*****************************************************************************
	320	* USB
	321	****************************************************************************/
	322	static struct resource usb_res[] = {
	323	{
	324	.name = "regs",
	325	.flags = IORESOURCE_MEM,
	326	.start = AR7_REGS_USB,
	327	.end = AR7_REGS_USB + 0xff,
	328	},
	329	{
	330	.name = "irq",
	331	.flags = IORESOURCE_IRQ,
	332	.start = 32,
	333	.end = 32,
	334	},
	335	{
	336	.name = "mem",
	337	.flags = IORESOURCE_MEM,
	338	.start = 0x03400000,
632b629c	339	.end = 0x03401fff,
4d1da8c2	340	},
7ca5dc14 FF	341	};
7ca5dc14 FF	342
4d1da8c2 AC	343	static struct platform_device ar7_udc = {
	344	.name = "ar7_udc",
	345	.resource = usb_res,
	346	.num_resources = ARRAY_SIZE(usb_res),
	347	};
7ca5dc14	348
4d1da8c2 AC	349	/*****************************************************************************
	350	* LEDs
	351	****************************************************************************/
7ca5dc14 FF	352	static struct gpio_led default_leds[] = {
7ca5dc14 FF	353	{
4d1da8c2 AC	354	.name = "status",
	355	.gpio = 8,
	356	.active_low = 1,
7ca5dc14 FF	357	},
	358	};
	359
238dd317 FF	360	static struct gpio_led titan_leds[] = {
	361	{ .name = "status", .gpio = 8, .active_low = 1, },
	362	{ .name = "wifi", .gpio = 13, .active_low = 1, },
	363	};
	364
7ca5dc14 FF	365	static struct gpio_led dsl502t_leds[] = {
7ca5dc14 FF	366	{
4d1da8c2 AC	367	.name = "status",
	368	.gpio = 9,
	369	.active_low = 1,
7ca5dc14 FF	370	},
7ca5dc14 FF	371	{
4d1da8c2 AC	372	.name = "ethernet",
	373	.gpio = 7,
	374	.active_low = 1,
7ca5dc14 FF	375	},
7ca5dc14 FF	376	{
4d1da8c2 AC	377	.name = "usb",
	378	.gpio = 12,
	379	.active_low = 1,
7ca5dc14 FF	380	},
	381	};
	382
	383	static struct gpio_led dg834g_leds[] = {
	384	{
4d1da8c2 AC	385	.name = "ppp",
	386	.gpio = 6,
	387	.active_low = 1,
7ca5dc14 FF	388	},
7ca5dc14 FF	389	{
4d1da8c2 AC	390	.name = "status",
	391	.gpio = 7,
	392	.active_low = 1,
7ca5dc14 FF	393	},
7ca5dc14 FF	394	{
4d1da8c2 AC	395	.name = "adsl",
	396	.gpio = 8,
	397	.active_low = 1,
7ca5dc14 FF	398	},
7ca5dc14 FF	399	{
4d1da8c2 AC	400	.name = "wifi",
	401	.gpio = 12,
	402	.active_low = 1,
7ca5dc14 FF	403	},
7ca5dc14 FF	404	{
4d1da8c2 AC	405	.name = "power",
	406	.gpio = 14,
	407	.active_low = 1,
	408	.default_trigger = "default-on",
7ca5dc14 FF	409	},
	410	};
	411
	412	static struct gpio_led fb_sl_leds[] = {
	413	{
4d1da8c2 AC	414	.name = "1",
4d1da8c2 AC	415	.gpio = 7,
7ca5dc14 FF	416	},
7ca5dc14 FF	417	{
4d1da8c2 AC	418	.name = "2",
	419	.gpio = 13,
	420	.active_low = 1,
7ca5dc14 FF	421	},
7ca5dc14 FF	422	{
4d1da8c2 AC	423	.name = "3",
	424	.gpio = 10,
	425	.active_low = 1,
7ca5dc14 FF	426	},
7ca5dc14 FF	427	{
4d1da8c2 AC	428	.name = "4",
	429	.gpio = 12,
	430	.active_low = 1,
7ca5dc14 FF	431	},
7ca5dc14 FF	432	{
4d1da8c2 AC	433	.name = "5",
	434	.gpio = 9,
	435	.active_low = 1,
7ca5dc14 FF	436	},
	437	};
	438
	439	static struct gpio_led fb_fon_leds[] = {
	440	{
4d1da8c2 AC	441	.name = "1",
4d1da8c2 AC	442	.gpio = 8,
7ca5dc14 FF	443	},
7ca5dc14 FF	444	{
4d1da8c2 AC	445	.name = "2",
	446	.gpio = 3,
	447	.active_low = 1,
7ca5dc14 FF	448	},
7ca5dc14 FF	449	{
4d1da8c2 AC	450	.name = "3",
4d1da8c2 AC	451	.gpio = 5,
7ca5dc14 FF	452	},
7ca5dc14 FF	453	{
4d1da8c2 AC	454	.name = "4",
	455	.gpio = 4,
	456	.active_low = 1,
7ca5dc14 FF	457	},
7ca5dc14 FF	458	{
4d1da8c2 AC	459	.name = "5",
	460	.gpio = 11,
	461	.active_low = 1,
7ca5dc14 FF	462	},
	463	};
	464
f77138e8 FF	465	static struct gpio_led gt701_leds[] = {
	466	{
	467	.name = "inet:green",
	468	.gpio = 13,
	469	.active_low = 1,
	470	},
	471	{
	472	.name = "usb",
	473	.gpio = 12,
	474	.active_low = 1,
	475	},
	476	{
	477	.name = "inet:red",
	478	.gpio = 9,
	479	.active_low = 1,
	480	},
	481	{
	482	.name = "power:red",
	483	.gpio = 7,
	484	.active_low = 1,
	485	},
	486	{
	487	.name = "power:green",
	488	.gpio = 8,
	489	.active_low = 1,
	490	.default_trigger = "default-on",
	491	},
	492	{
	493	.name = "ethernet",
	494	.gpio = 10,
	495	.active_low = 1,
	496	},
	497	};
	498
7ca5dc14 FF	499	static struct gpio_led_platform_data ar7_led_data;
	500
	501	static struct platform_device ar7_gpio_leds = {
	502	.name = "leds-gpio",
7ca5dc14 FF	503	.dev = {
	504	.platform_data = &ar7_led_data,
	505	}
	506	};
	507
7ca5dc14 FF	508	static void __init detect_leds(void)
	509	{
	510	char prid, usb_prod;
	511
	512	/* Default LEDs */
	513	ar7_led_data.num_leds = ARRAY_SIZE(default_leds);
	514	ar7_led_data.leds = default_leds;
	515
	516	/* FIXME: the whole thing is unreliable */
	517	prid = prom_getenv("ProductID");
	518	usb_prod = prom_getenv("usb_prod");
	519
	520	/* If we can't get the product id from PROM, use the default LEDs */
	521	if (!prid)
	522	return;
	523
	524	if (strstr(prid, "Fritz_Box_FON")) {
	525	ar7_led_data.num_leds = ARRAY_SIZE(fb_fon_leds);
	526	ar7_led_data.leds = fb_fon_leds;
	527	} else if (strstr(prid, "Fritz_Box_")) {
	528	ar7_led_data.num_leds = ARRAY_SIZE(fb_sl_leds);
	529	ar7_led_data.leds = fb_sl_leds;
	530	} else if ((!strcmp(prid, "AR7RD") \|\| !strcmp(prid, "AR7DB"))
	531	&& usb_prod != NULL && strstr(usb_prod, "DSL-502T")) {
	532	ar7_led_data.num_leds = ARRAY_SIZE(dsl502t_leds);
	533	ar7_led_data.leds = dsl502t_leds;
	534	} else if (strstr(prid, "DG834")) {
	535	ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds);
	536	ar7_led_data.leds = dg834g_leds;
238dd317 FF	537	} else if (strstr(prid, "CYWM") \|\| strstr(prid, "CYWL")) {
	538	ar7_led_data.num_leds = ARRAY_SIZE(titan_leds);
	539	ar7_led_data.leds = titan_leds;
f77138e8 FF	540	} else if (strstr(prid, "GT701")) {
	541	ar7_led_data.num_leds = ARRAY_SIZE(gt701_leds);
	542	ar7_led_data.leds = gt701_leds;
7ca5dc14 FF	543	}
	544	}
	545
4d1da8c2 AC	546	/*****************************************************************************
	547	* Watchdog
	548	****************************************************************************/
	549	static struct resource ar7_wdt_res = {
	550	.name = "regs",
	551	.flags = IORESOURCE_MEM,
	552	.start = -1, /* Filled at runtime */
	553	.end = -1, /* Filled at runtime */
	554	};
	555
	556	static struct platform_device ar7_wdt = {
	557	.name = "ar7_wdt",
	558	.resource = &ar7_wdt_res,
	559	.num_resources = 1,
	560	};
	561
	562	/*****************************************************************************
	563	* Init
	564	****************************************************************************/
7084338e	565	static int __init ar7_register_uarts(void)
7ca5dc14	566	{
50ca9619	567	#ifdef CONFIG_SERIAL_8250
7084338e	568	static struct uart_port uart_port __initdata;
780019dd	569	struct clk *bus_clk;
7084338e	570	int res;
7ca5dc14	571
7084338e	572	memset(&uart_port, 0, sizeof(struct uart_port));
7ca5dc14	573
780019dd FF	574	bus_clk = clk_get(NULL, "bus");
780019dd FF	575	if (IS_ERR(bus_clk))
ab75dc02	576	panic("unable to get bus clk");
780019dd	577
154615d5	578	uart_port.type = PORT_AR7;
7084338e AC	579	uart_port.uartclk = clk_get_rate(bus_clk) / 2;
	580	uart_port.iotype = UPIO_MEM32;
	581	uart_port.regshift = 2;
	582
	583	uart_port.line = 0;
	584	uart_port.irq = AR7_IRQ_UART0;
	585	uart_port.mapbase = AR7_REGS_UART0;
	586	uart_port.membase = ioremap(uart_port.mapbase, 256);
	587
	588	res = early_serial_setup(&uart_port);
7ca5dc14 FF	589	if (res)
	590	return res;
	591
7ca5dc14 FF	592	/* Only TNETD73xx have a second serial port */
7ca5dc14 FF	593	if (ar7_has_second_uart()) {
7084338e AC	594	uart_port.line = 1;
	595	uart_port.irq = AR7_IRQ_UART1;
	596	uart_port.mapbase = UR8_REGS_UART1;
	597	uart_port.membase = ioremap(uart_port.mapbase, 256);
	598
	599	res = early_serial_setup(&uart_port);
7ca5dc14 FF	600	if (res)
	601	return res;
	602	}
7084338e AC	603	#endif
	604
	605	return 0;
	606	}
	607
238dd317 FF	608	static void __init titan_fixup_devices(void)
	609	{
	610	/* Set vlynq0 data */
	611	vlynq_low_data.reset_bit = 15;
	612	vlynq_low_data.gpio_bit = 14;
	613
	614	/* Set vlynq1 data */
	615	vlynq_high_data.reset_bit = 16;
	616	vlynq_high_data.gpio_bit = 7;
	617
	618	/* Set vlynq0 resources */
	619	vlynq_low_res[0].start = TITAN_REGS_VLYNQ0;
	620	vlynq_low_res[0].end = TITAN_REGS_VLYNQ0 + 0xff;
	621	vlynq_low_res[1].start = 33;
	622	vlynq_low_res[1].end = 33;
	623	vlynq_low_res[2].start = 0x0c000000;
	624	vlynq_low_res[2].end = 0x0fffffff;
	625	vlynq_low_res[3].start = 80;
	626	vlynq_low_res[3].end = 111;
	627
	628	/* Set vlynq1 resources */
	629	vlynq_high_res[0].start = TITAN_REGS_VLYNQ1;
	630	vlynq_high_res[0].end = TITAN_REGS_VLYNQ1 + 0xff;
	631	vlynq_high_res[1].start = 34;
	632	vlynq_high_res[1].end = 34;
	633	vlynq_high_res[2].start = 0x40000000;
	634	vlynq_high_res[2].end = 0x43ffffff;
	635	vlynq_high_res[3].start = 112;
	636	vlynq_high_res[3].end = 143;
	637
	638	/* Set cpmac0 data */
	639	cpmac_low_data.phy_mask = 0x40000000;
	640
	641	/* Set cpmac1 data */
	642	cpmac_high_data.phy_mask = 0x80000000;
	643
	644	/* Set cpmac0 resources */
	645	cpmac_low_res[0].start = TITAN_REGS_MAC0;
	646	cpmac_low_res[0].end = TITAN_REGS_MAC0 + 0x7ff;
	647
	648	/* Set cpmac1 resources */
	649	cpmac_high_res[0].start = TITAN_REGS_MAC1;
	650	cpmac_high_res[0].end = TITAN_REGS_MAC1 + 0x7ff;
	651	}
	652
7084338e AC	653	static int __init ar7_register_devices(void)
	654	{
	655	void __iomem *bootcr;
	656	u32 val;
7084338e AC	657	int res;
	658
	659	res = ar7_register_uarts();
	660	if (res)
	661	pr_err("unable to setup uart(s): %d\n", res);
	662
7ca5dc14 FF	663	res = platform_device_register(&physmap_flash);
7ca5dc14 FF	664	if (res)
7084338e	665	pr_warning("unable to register physmap-flash: %d\n", res);
7ca5dc14	666
238dd317 FF	667	if (ar7_is_titan())
	668	titan_fixup_devices();
	669
7ca5dc14 FF	670	ar7_device_disable(vlynq_low_data.reset_bit);
	671	res = platform_device_register(&vlynq_low);
	672	if (res)
7084338e	673	pr_warning("unable to register vlynq-low: %d\n", res);
7ca5dc14 FF	674
	675	if (ar7_has_high_vlynq()) {
	676	ar7_device_disable(vlynq_high_data.reset_bit);
	677	res = platform_device_register(&vlynq_high);
	678	if (res)
7084338e	679	pr_warning("unable to register vlynq-high: %d\n", res);
7ca5dc14 FF	680	}
	681
	682	if (ar7_has_high_cpmac()) {
727c0075	683	res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
7084338e AC	684	if (!res) {
	685	cpmac_get_mac(1, cpmac_high_data.dev_addr);
	686
	687	res = platform_device_register(&cpmac_high);
	688	if (res)
	689	pr_warning("unable to register cpmac-high: %d\n", res);
	690	} else
	691	pr_warning("unable to add cpmac-high phy: %d\n", res);
	692	} else
7ca5dc14	693	cpmac_low_data.phy_mask = 0xffffffff;
7ca5dc14	694
1e2c8d83	695	res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status);
7084338e AC	696	if (!res) {
	697	cpmac_get_mac(0, cpmac_low_data.dev_addr);
	698	res = platform_device_register(&cpmac_low);
	699	if (res)
	700	pr_warning("unable to register cpmac-low: %d\n", res);
	701	} else
	702	pr_warning("unable to add cpmac-low phy: %d\n", res);
7ca5dc14 FF	703
	704	detect_leds();
	705	res = platform_device_register(&ar7_gpio_leds);
	706	if (res)
7084338e	707	pr_warning("unable to register leds: %d\n", res);
7ca5dc14 FF	708
7ca5dc14 FF	709	res = platform_device_register(&ar7_udc);
7084338e AC	710	if (res)
7084338e AC	711	pr_warning("unable to register usb slave: %d\n", res);
72838a17 FF	712
72838a17 FF	713	/* Register watchdog only if enabled in hardware */
7084338e AC	714	bootcr = ioremap_nocache(AR7_REGS_DCL, 4);
	715	val = readl(bootcr);
	716	iounmap(bootcr);
	717	if (val & AR7_WDT_HW_ENA) {
9c1b013a	718	if (ar7_has_high_vlynq())
7084338e	719	ar7_wdt_res.start = UR8_REGS_WDT;
9c1b013a FF	720	else
9c1b013a FF	721	ar7_wdt_res.start = AR7_REGS_WDT;
7084338e AC	722
7084338e AC	723	ar7_wdt_res.end = ar7_wdt_res.start + 0x20;
72838a17	724	res = platform_device_register(&ar7_wdt);
7084338e AC	725	if (res)
	726	pr_warning("unable to register watchdog: %d\n", res);
	727	}
d47fbb59	728
7084338e	729	return 0;
7ca5dc14	730	}
142a2cee	731	device_initcall(ar7_register_devices);