arch/mips/ar7/platform.c - kernel/msm-5.4 - Gitiles

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

 struct plat_vlynq_data {
 	struct plat_vlynq_ops ops;
 	int gpio_bit;
 	int reset_bit;
 };


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

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

 	ar7_device_reset(pdata->reset_bit);

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

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

 	result = gpio_direction_output(pdata->gpio_bit, 0);
 	if (result)
 		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 result;
 }

 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 physmap_flash_resource = {
 	.name = "mem",
 	.flags = IORESOURCE_MEM,
 	.start = 0x10000000,
 	.end = 0x107fffff,
 };

 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 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 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 = 0x034001fff,
 	},
 };

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

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

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

 static struct platform_device physmap_flash = {
 	.id = 0,
 	.name = "physmap-flash",
 	.dev.platform_data = &physmap_flash_data,
 	.resource = &physmap_flash_resource,
 	.num_resources = 1,
 };

 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 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),
 };


 static struct gpio_led default_leds[] = {
 	{
 		.name = "status",
 		.gpio = 8,
 		.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_platform_data ar7_led_data;

 static struct platform_device ar7_gpio_leds = {
 	.name = "leds-gpio",
 	.id = -1,
 	.dev = {
 		.platform_data = &ar7_led_data,
 	}
 };

 static struct platform_device ar7_udc = {
 	.id = -1,
 	.name = "ar7_udc",
 	.resource = usb_res,
 	.num_resources = ARRAY_SIZE(usb_res),
 };

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

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

 static inline unsigned char char2hex(char h)
 {
 	switch (h) {
 	case '0': case '1': case '2': case '3': case '4':
 	case '5': case '6': case '7': case '8': case '9':
 		return h - '0';
 	case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
 		return h - 'A' + 10;
 	case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
 		return h - 'a' + 10;
 	default:
 		return 0;
 	}
 }

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

 	mac = NULL;
 	sprintf(name, "mac%c", 'a' + instance);
 	mac = prom_getenv(name);
 	if (!mac) {
 		sprintf(name, "mac%c", 'a');
 		mac = prom_getenv(name);
 	}
 	if (!mac) {
 		random_ether_addr(default_mac);
 		mac = default_mac;
 	}
 	for (i = 0; i < 6; i++)
 		dev_addr[i] = (char2hex(mac[i * 3]) << 4) +
 			char2hex(mac[i * 3 + 1]);
 }

 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;
 	}
 }

 static int __init ar7_register_devices(void)
 {
 	u16 chip_id;
 	int res;
 	u32 *bootcr, val;
 #ifdef CONFIG_SERIAL_8250
 	static struct uart_port uart_port[2] __initdata;

 	memset(uart_port, 0, sizeof(struct uart_port) * 2);

 	uart_port[0].type = PORT_16550A;
 	uart_port[0].line = 0;
 	uart_port[0].irq = AR7_IRQ_UART0;
 	uart_port[0].uartclk = ar7_bus_freq() / 2;
 	uart_port[0].iotype = UPIO_MEM32;
 	uart_port[0].mapbase = AR7_REGS_UART0;
 	uart_port[0].membase = ioremap(uart_port[0].mapbase, 256);
 	uart_port[0].regshift = 2;
 	res = early_serial_setup(&uart_port[0]);
 	if (res)
 		return res;


 	/* Only TNETD73xx have a second serial port */
 	if (ar7_has_second_uart()) {
 		uart_port[1].type = PORT_16550A;
 		uart_port[1].line = 1;
 		uart_port[1].irq = AR7_IRQ_UART1;
 		uart_port[1].uartclk = ar7_bus_freq() / 2;
 		uart_port[1].iotype = UPIO_MEM32;
 		uart_port[1].mapbase = UR8_REGS_UART1;
 		uart_port[1].membase = ioremap(uart_port[1].mapbase, 256);
 		uart_port[1].regshift = 2;
 		res = early_serial_setup(&uart_port[1]);
 		if (res)
 			return res;
 	}
 #endif /* CONFIG_SERIAL_8250 */
 	res = platform_device_register(&physmap_flash);
 	if (res)
 		return res;

 	ar7_device_disable(vlynq_low_data.reset_bit);
 	res = platform_device_register(&vlynq_low);
 	if (res)
 		return res;

 	if (ar7_has_high_vlynq()) {
 		ar7_device_disable(vlynq_high_data.reset_bit);
 		res = platform_device_register(&vlynq_high);
 		if (res)
 			return res;
 	}

 	if (ar7_has_high_cpmac()) {
 		res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
 		if (res && res != -ENODEV)
 			return res;
 		cpmac_get_mac(1, cpmac_high_data.dev_addr);
 		res = platform_device_register(&cpmac_high);
 		if (res)
 			return res;
 	} else {
 		cpmac_low_data.phy_mask = 0xffffffff;
 	}

 	res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status);
 	if (res && res != -ENODEV)
 		return res;

 	cpmac_get_mac(0, cpmac_low_data.dev_addr);
 	res = platform_device_register(&cpmac_low);
 	if (res)
 		return res;

 	detect_leds();
 	res = platform_device_register(&ar7_gpio_leds);
 	if (res)
 		return res;

 	res = platform_device_register(&ar7_udc);

 	chip_id = ar7_chip_id();
 	switch (chip_id) {
 	case AR7_CHIP_7100:
 	case AR7_CHIP_7200:
 		ar7_wdt_res.start = AR7_REGS_WDT;
 		break;
 	case AR7_CHIP_7300:
 		ar7_wdt_res.start = UR8_REGS_WDT;
 		break;
 	default:
 		break;
 	}

 	ar7_wdt_res.end = ar7_wdt_res.start + 0x20;

 	bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4);
 	val = *bootcr;
 	iounmap(bootcr);

 	/* Register watchdog only if enabled in hardware */
 	if (val & AR7_WDT_HW_ENA)
 		res = platform_device_register(&ar7_wdt);

 	return res;
 }
 arch_initcall(ar7_register_devices);
	/*
	* 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 <asm/addrspace.h>
	#include <asm/mach-ar7/ar7.h>
	#include <asm/mach-ar7/gpio.h>
	#include <asm/mach-ar7/prom.h>

	struct plat_vlynq_data {
	struct plat_vlynq_ops ops;
	int gpio_bit;
	int reset_bit;
	};


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

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

	ar7_device_reset(pdata->reset_bit);

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

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

	result = gpio_direction_output(pdata->gpio_bit, 0);
	if (result)
	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 result;
	}

	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 physmap_flash_resource = {
	.name = "mem",
	.flags = IORESOURCE_MEM,
	.start = 0x10000000,
	.end = 0x107fffff,
	};

	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 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 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 = 0x034001fff,
	},
	};

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

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

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

	static struct platform_device physmap_flash = {
	.id = 0,
	.name = "physmap-flash",
	.dev.platform_data = &physmap_flash_data,
	.resource = &physmap_flash_resource,
	.num_resources = 1,
	};

	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 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),
	};


	static struct gpio_led default_leds[] = {
	{
	.name = "status",
	.gpio = 8,
	.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_platform_data ar7_led_data;

	static struct platform_device ar7_gpio_leds = {
	.name = "leds-gpio",
	.id = -1,
	.dev = {
	.platform_data = &ar7_led_data,
	}
	};

	static struct platform_device ar7_udc = {
	.id = -1,
	.name = "ar7_udc",
	.resource = usb_res,
	.num_resources = ARRAY_SIZE(usb_res),
	};

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

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

	static inline unsigned char char2hex(char h)
	{
	switch (h) {
	case '0': case '1': case '2': case '3': case '4':
	case '5': case '6': case '7': case '8': case '9':
	return h - '0';
	case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
	return h - 'A' + 10;
	case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
	return h - 'a' + 10;
	default:
	return 0;
	}
	}

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

	mac = NULL;
	sprintf(name, "mac%c", 'a' + instance);
	mac = prom_getenv(name);
	if (!mac) {
	sprintf(name, "mac%c", 'a');
	mac = prom_getenv(name);
	}
	if (!mac) {
	random_ether_addr(default_mac);
	mac = default_mac;
	}
	for (i = 0; i < 6; i++)
	dev_addr[i] = (char2hex(mac[i * 3]) << 4) +
	char2hex(mac[i * 3 + 1]);
	}

	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;
	}
	}

	static int __init ar7_register_devices(void)
	{
	u16 chip_id;
	int res;
	u32 *bootcr, val;
	#ifdef CONFIG_SERIAL_8250
	static struct uart_port uart_port[2] __initdata;

	memset(uart_port, 0, sizeof(struct uart_port) * 2);

	uart_port[0].type = PORT_16550A;
	uart_port[0].line = 0;
	uart_port[0].irq = AR7_IRQ_UART0;
	uart_port[0].uartclk = ar7_bus_freq() / 2;
	uart_port[0].iotype = UPIO_MEM32;
	uart_port[0].mapbase = AR7_REGS_UART0;
	uart_port[0].membase = ioremap(uart_port[0].mapbase, 256);
	uart_port[0].regshift = 2;
	res = early_serial_setup(&uart_port[0]);
	if (res)
	return res;


	/* Only TNETD73xx have a second serial port */
	if (ar7_has_second_uart()) {
	uart_port[1].type = PORT_16550A;
	uart_port[1].line = 1;
	uart_port[1].irq = AR7_IRQ_UART1;
	uart_port[1].uartclk = ar7_bus_freq() / 2;
	uart_port[1].iotype = UPIO_MEM32;
	uart_port[1].mapbase = UR8_REGS_UART1;
	uart_port[1].membase = ioremap(uart_port[1].mapbase, 256);
	uart_port[1].regshift = 2;
	res = early_serial_setup(&uart_port[1]);
	if (res)
	return res;
	}
	#endif /* CONFIG_SERIAL_8250 */
	res = platform_device_register(&physmap_flash);
	if (res)
	return res;

	ar7_device_disable(vlynq_low_data.reset_bit);
	res = platform_device_register(&vlynq_low);
	if (res)
	return res;

	if (ar7_has_high_vlynq()) {
	ar7_device_disable(vlynq_high_data.reset_bit);
	res = platform_device_register(&vlynq_high);
	if (res)
	return res;
	}

	if (ar7_has_high_cpmac()) {
	res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
	if (res && res != -ENODEV)
	return res;
	cpmac_get_mac(1, cpmac_high_data.dev_addr);
	res = platform_device_register(&cpmac_high);
	if (res)
	return res;
	} else {
	cpmac_low_data.phy_mask = 0xffffffff;
	}

	res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status);
	if (res && res != -ENODEV)
	return res;

	cpmac_get_mac(0, cpmac_low_data.dev_addr);
	res = platform_device_register(&cpmac_low);
	if (res)
	return res;

	detect_leds();
	res = platform_device_register(&ar7_gpio_leds);
	if (res)
	return res;

	res = platform_device_register(&ar7_udc);

	chip_id = ar7_chip_id();
	switch (chip_id) {
	case AR7_CHIP_7100:
	case AR7_CHIP_7200:
	ar7_wdt_res.start = AR7_REGS_WDT;
	break;
	case AR7_CHIP_7300:
	ar7_wdt_res.start = UR8_REGS_WDT;
	break;
	default:
	break;
	}

	ar7_wdt_res.end = ar7_wdt_res.start + 0x20;

	bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4);
	val = *bootcr;
	iounmap(bootcr);

	/* Register watchdog only if enabled in hardware */
	if (val & AR7_WDT_HW_ENA)
	res = platform_device_register(&ar7_wdt);

	return res;
	}
	arch_initcall(ar7_register_devices);