[deliverable/linux.git] / arch / arm / mach-orion5x / dns323-setup.c

/*
 * arch/arm/mach-orion5x/dns323-setup.c
 *
 * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/irq.h>
#include <linux/mtd/physmap.h>
#include <linux/mv643xx_eth.h>
#include <linux/leds.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/i2c.h>
#include <asm/mach-types.h>
#include <asm/gpio.h>
#include <asm/mach/arch.h>
#include <asm/mach/pci.h>
#include <asm/arch/orion5x.h>
#include "common.h"
#include "mpp.h"

#define DNS323_GPIO_LED_RIGHT_AMBER	1
#define DNS323_GPIO_LED_LEFT_AMBER	2
#define DNS323_GPIO_LED_POWER		5
#define DNS323_GPIO_OVERTEMP		6
#define DNS323_GPIO_RTC			7
#define DNS323_GPIO_POWER_OFF		8
#define DNS323_GPIO_KEY_POWER		9
#define DNS323_GPIO_KEY_RESET		10

/****************************************************************************
 * PCI setup
 */

static int __init dns323_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
	int irq;

	/*
	 * Check for devices with hard-wired IRQs.
	 */
	irq = orion5x_pci_map_irq(dev, slot, pin);
	if (irq != -1)
		return irq;

	pr_err("%s: requested mapping for unknown device\n", __func__);

	return -1;
}

static struct hw_pci dns323_pci __initdata = {
	.nr_controllers = 2,
	.swizzle	= pci_std_swizzle,
	.setup		= orion5x_pci_sys_setup,
	.scan		= orion5x_pci_sys_scan_bus,
	.map_irq	= dns323_pci_map_irq,
};

static int __init dns323_pci_init(void)
{
	if (machine_is_dns323())
		pci_common_init(&dns323_pci);

	return 0;
}

subsys_initcall(dns323_pci_init);

/****************************************************************************
 * Ethernet
 */

static struct mv643xx_eth_platform_data dns323_eth_data = {
	.phy_addr = 8,
	.force_phy_addr = 1,
};

/****************************************************************************
 * 8MiB NOR flash (Spansion S29GL064M90TFIR4)
 *
 * Layout as used by D-Link:
 *  0x00000000-0x00010000 : "MTD1"
 *  0x00010000-0x00020000 : "MTD2"
 *  0x00020000-0x001a0000 : "Linux Kernel"
 *  0x001a0000-0x007d0000 : "File System"
 *  0x007d0000-0x00800000 : "u-boot"
 */

#define DNS323_NOR_BOOT_BASE 0xf4000000
#define DNS323_NOR_BOOT_SIZE SZ_8M

static struct mtd_partition dns323_partitions[] = {
	{
		.name	= "MTD1",
		.size	= 0x00010000,
		.offset	= 0,
	}, {
		.name	= "MTD2",
		.size	= 0x00010000,
		.offset = 0x00010000,
	}, {
		.name	= "Linux Kernel",
		.size	= 0x00180000,
		.offset	= 0x00020000,
	}, {
		.name	= "File System",
		.size	= 0x00630000,
		.offset	= 0x001A0000,
	}, {
		.name	= "u-boot",
		.size	= 0x00030000,
		.offset	= 0x007d0000,
	},
};

static struct physmap_flash_data dns323_nor_flash_data = {
	.width		= 1,
	.parts		= dns323_partitions,
	.nr_parts	= ARRAY_SIZE(dns323_partitions)
};

static struct resource dns323_nor_flash_resource = {
	.flags		= IORESOURCE_MEM,
	.start		= DNS323_NOR_BOOT_BASE,
	.end		= DNS323_NOR_BOOT_BASE + DNS323_NOR_BOOT_SIZE - 1,
};

static struct platform_device dns323_nor_flash = {
	.name		= "physmap-flash",
	.id		= 0,
	.dev		= {
		.platform_data	= &dns323_nor_flash_data,
	},
	.resource	= &dns323_nor_flash_resource,
	.num_resources	= 1,
};

/****************************************************************************
 * GPIO LEDs (simple - doesn't use hardware blinking support)
 */

static struct gpio_led dns323_leds[] = {
	{
		.name = "power:blue",
		.gpio = DNS323_GPIO_LED_POWER,
		.active_low = 1,
	}, {
		.name = "right:amber",
		.gpio = DNS323_GPIO_LED_RIGHT_AMBER,
		.active_low = 1,
	}, {
		.name = "left:amber",
		.gpio = DNS323_GPIO_LED_LEFT_AMBER,
		.active_low = 1,
	},
};

static struct gpio_led_platform_data dns323_led_data = {
	.num_leds	= ARRAY_SIZE(dns323_leds),
	.leds		= dns323_leds,
};

static struct platform_device dns323_gpio_leds = {
	.name		= "leds-gpio",
	.id		= -1,
	.dev		= {
		.platform_data	= &dns323_led_data,
	},
};

/****************************************************************************
 * GPIO Attached Keys
 */

static struct gpio_keys_button dns323_buttons[] = {
	{
		.code		= KEY_RESTART,
		.gpio		= DNS323_GPIO_KEY_RESET,
		.desc		= "Reset Button",
		.active_low	= 1,
	}, {
		.code		= KEY_POWER,
		.gpio		= DNS323_GPIO_KEY_POWER,
		.desc		= "Power Button",
		.active_low	= 1,
	},
};

static struct gpio_keys_platform_data dns323_button_data = {
	.buttons	= dns323_buttons,
	.nbuttons	= ARRAY_SIZE(dns323_buttons),
};

static struct platform_device dns323_button_device = {
	.name		= "gpio-keys",
	.id		= -1,
	.num_resources	= 0,
	.dev		= {
		.platform_data	= &dns323_button_data,
	},
};

/****************************************************************************
 * General Setup
 */
static struct orion5x_mpp_mode dns323_mpp_modes[] __initdata = {
	{  0, MPP_PCIE_RST_OUTn },
	{  1, MPP_GPIO },		/* right amber LED (sata ch0) */
	{  2, MPP_GPIO },		/* left amber LED (sata ch1) */
	{  3, MPP_UNUSED },
	{  4, MPP_GPIO },		/* power button LED */
	{  5, MPP_GPIO },		/* power button LED */
	{  6, MPP_GPIO },		/* GMT G751-2f overtemp */
	{  7, MPP_GPIO },		/* M41T80 nIRQ/OUT/SQW */
	{  8, MPP_GPIO },		/* triggers power off */
	{  9, MPP_GPIO },		/* power button switch */
	{ 10, MPP_GPIO },		/* reset button switch */
	{ 11, MPP_UNUSED },
	{ 12, MPP_UNUSED },
	{ 13, MPP_UNUSED },
	{ 14, MPP_UNUSED },
	{ 15, MPP_UNUSED },
	{ 16, MPP_UNUSED },
	{ 17, MPP_UNUSED },
	{ 18, MPP_UNUSED },
	{ 19, MPP_UNUSED },
	{ -1 },
};

/*
 * On the DNS-323 the following devices are attached via I2C:
 *
 *  i2c addr | chip        | description
 *  0x3e     | GMT G760Af  | fan speed PWM controller
 *  0x48     | GMT G751-2f | temp. sensor and therm. watchdog (LM75 compatible)
 *  0x68     | ST M41T80   | RTC w/ alarm
 */
static struct i2c_board_info __initdata dns323_i2c_devices[] = {
	{
		I2C_BOARD_INFO("g760a", 0x3e),
#if 0
	/* this entry requires the new-style driver model lm75 driver,
	 * for the meantime "insmod lm75.ko force_lm75=0,0x48" is needed */
	}, {
		I2C_BOARD_INFO("g751", 0x48),
#endif
	}, {
		I2C_BOARD_INFO("m41t80", 0x68),
	},
};

/* DNS-323 specific power off method */
static void dns323_power_off(void)
{
	pr_info("%s: triggering power-off...\n", __func__);
	gpio_set_value(DNS323_GPIO_POWER_OFF, 1);
}

static void __init dns323_init(void)
{
	/* Setup basic Orion functions. Need to be called early. */
	orion5x_init();

	orion5x_mpp_conf(dns323_mpp_modes);
	orion5x_write(MPP_DEV_CTRL, 0);		/* DEV_D[31:16] */

	/*
	 * Configure peripherals.
	 */
	orion5x_ehci0_init();
	orion5x_eth_init(&dns323_eth_data);
	orion5x_i2c_init();
	orion5x_uart0_init();

	/* setup flash mapping
	 * CS3 holds a 8 MB Spansion S29GL064M90TFIR4
	 */
	orion5x_setup_dev_boot_win(DNS323_NOR_BOOT_BASE, DNS323_NOR_BOOT_SIZE);
	platform_device_register(&dns323_nor_flash);

	platform_device_register(&dns323_gpio_leds);

	platform_device_register(&dns323_button_device);

	i2c_register_board_info(0, dns323_i2c_devices,
				ARRAY_SIZE(dns323_i2c_devices));

	/* register dns323 specific power-off method */
	if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 ||
	    gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0)
		pr_err("DNS323: failed to setup power-off GPIO\n");
	pm_power_off = dns323_power_off;
}

/* Warning: D-Link uses a wrong mach-type (=526) in their bootloader */
MACHINE_START(DNS323, "D-Link DNS-323")
	/* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
	.phys_io	= ORION5X_REGS_PHYS_BASE,
	.io_pg_offst	= ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
	.boot_params	= 0x00000100,
	.init_machine	= dns323_init,
	.map_io		= orion5x_map_io,
	.init_irq	= orion5x_init_irq,
	.timer		= &orion5x_timer,
	.fixup		= tag_fixup_mem32,
MACHINE_END
Commit	Line	Data
555a3656	1	/*
9dd0b194	2	* arch/arm/mach-orion5x/dns323-setup.c
555a3656 HVR	3	*
	4	* Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU Lesser General Public License as
	8	* published by the Free Software Foundation; either version 2 of the
	9	* License, or (at your option) any later version.
	10	*
	11	*/
	12
	13	#include <linux/kernel.h>
	14	#include <linux/init.h>
	15	#include <linux/platform_device.h>
	16	#include <linux/pci.h>
	17	#include <linux/irq.h>
	18	#include <linux/mtd/physmap.h>
	19	#include <linux/mv643xx_eth.h>
	20	#include <linux/leds.h>
	21	#include <linux/gpio_keys.h>
	22	#include <linux/input.h>
	23	#include <linux/i2c.h>
	24	#include <asm/mach-types.h>
	25	#include <asm/gpio.h>
	26	#include <asm/mach/arch.h>
	27	#include <asm/mach/pci.h>
9dd0b194	28	#include <asm/arch/orion5x.h>
555a3656	29	#include "common.h"
19cfd5c0	30	#include "mpp.h"
555a3656 HVR	31
	32	#define DNS323_GPIO_LED_RIGHT_AMBER 1
	33	#define DNS323_GPIO_LED_LEFT_AMBER 2
	34	#define DNS323_GPIO_LED_POWER 5
	35	#define DNS323_GPIO_OVERTEMP 6
	36	#define DNS323_GPIO_RTC 7
	37	#define DNS323_GPIO_POWER_OFF 8
	38	#define DNS323_GPIO_KEY_POWER 9
	39	#define DNS323_GPIO_KEY_RESET 10
	40
	41	/****************************************************************************
	42	* PCI setup
	43	*/
	44
	45	static int __init dns323_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
	46	{
92b913b0	47	int irq;
555a3656	48
92b913b0 LB	49	/*
	50	* Check for devices with hard-wired IRQs.
	51	*/
	52	irq = orion5x_pci_map_irq(dev, slot, pin);
	53	if (irq != -1)
	54	return irq;
	55
	56	pr_err("%s: requested mapping for unknown device\n", __func__);
555a3656 HVR	57
	58	return -1;
	59	}
	60
	61	static struct hw_pci dns323_pci __initdata = {
bbdf1c1e	62	.nr_controllers = 2,
555a3656	63	.swizzle = pci_std_swizzle,
9dd0b194 LB	64	.setup = orion5x_pci_sys_setup,
9dd0b194 LB	65	.scan = orion5x_pci_sys_scan_bus,
555a3656 HVR	66	.map_irq = dns323_pci_map_irq,
	67	};
	68
	69	static int __init dns323_pci_init(void)
	70	{
	71	if (machine_is_dns323())
	72	pci_common_init(&dns323_pci);
	73
	74	return 0;
	75	}
	76
	77	subsys_initcall(dns323_pci_init);
	78
	79	/****************************************************************************
	80	* Ethernet
	81	*/
	82
	83	static struct mv643xx_eth_platform_data dns323_eth_data = {
	84	.phy_addr = 8,
	85	.force_phy_addr = 1,
	86	};
	87
	88	/****************************************************************************
	89	* 8MiB NOR flash (Spansion S29GL064M90TFIR4)
	90	*
	91	* Layout as used by D-Link:
	92	* 0x00000000-0x00010000 : "MTD1"
	93	* 0x00010000-0x00020000 : "MTD2"
	94	* 0x00020000-0x001a0000 : "Linux Kernel"
	95	* 0x001a0000-0x007d0000 : "File System"
	96	* 0x007d0000-0x00800000 : "u-boot"
	97	*/
	98
	99	#define DNS323_NOR_BOOT_BASE 0xf4000000
	100	#define DNS323_NOR_BOOT_SIZE SZ_8M
	101
	102	static struct mtd_partition dns323_partitions[] = {
	103	{
	104	.name = "MTD1",
	105	.size = 0x00010000,
	106	.offset = 0,
	107	}, {
	108	.name = "MTD2",
	109	.size = 0x00010000,
	110	.offset = 0x00010000,
	111	}, {
	112	.name = "Linux Kernel",
	113	.size = 0x00180000,
	114	.offset = 0x00020000,
	115	}, {
	116	.name = "File System",
	117	.size = 0x00630000,
	118	.offset = 0x001A0000,
	119	}, {
	120	.name = "u-boot",
	121	.size = 0x00030000,
	122	.offset = 0x007d0000,
e7068ad3	123	},
555a3656 HVR	124	};
	125
	126	static struct physmap_flash_data dns323_nor_flash_data = {
	127	.width = 1,
	128	.parts = dns323_partitions,
	129	.nr_parts = ARRAY_SIZE(dns323_partitions)
	130	};
	131
	132	static struct resource dns323_nor_flash_resource = {
	133	.flags = IORESOURCE_MEM,
	134	.start = DNS323_NOR_BOOT_BASE,
	135	.end = DNS323_NOR_BOOT_BASE + DNS323_NOR_BOOT_SIZE - 1,
	136	};
	137
	138	static struct platform_device dns323_nor_flash = {
	139	.name = "physmap-flash",
	140	.id = 0,
e7068ad3 LB	141	.dev = {
	142	.platform_data = &dns323_nor_flash_data,
	143	},
555a3656 HVR	144	.resource = &dns323_nor_flash_resource,
	145	.num_resources = 1,
	146	};
	147
	148	/****************************************************************************
	149	* GPIO LEDs (simple - doesn't use hardware blinking support)
	150	*/
	151
	152	static struct gpio_led dns323_leds[] = {
	153	{
	154	.name = "power:blue",
	155	.gpio = DNS323_GPIO_LED_POWER,
	156	.active_low = 1,
	157	}, {
	158	.name = "right:amber",
	159	.gpio = DNS323_GPIO_LED_RIGHT_AMBER,
	160	.active_low = 1,
	161	}, {
	162	.name = "left:amber",
	163	.gpio = DNS323_GPIO_LED_LEFT_AMBER,
	164	.active_low = 1,
	165	},
	166	};
	167
	168	static struct gpio_led_platform_data dns323_led_data = {
	169	.num_leds = ARRAY_SIZE(dns323_leds),
	170	.leds = dns323_leds,
	171	};
	172
	173	static struct platform_device dns323_gpio_leds = {
	174	.name = "leds-gpio",
	175	.id = -1,
e7068ad3 LB	176	.dev = {
	177	.platform_data = &dns323_led_data,
	178	},
555a3656 HVR	179	};
	180
	181	/****************************************************************************
	182	* GPIO Attached Keys
	183	*/
	184
	185	static struct gpio_keys_button dns323_buttons[] = {
	186	{
	187	.code = KEY_RESTART,
	188	.gpio = DNS323_GPIO_KEY_RESET,
	189	.desc = "Reset Button",
	190	.active_low = 1,
e7068ad3	191	}, {
555a3656 HVR	192	.code = KEY_POWER,
	193	.gpio = DNS323_GPIO_KEY_POWER,
	194	.desc = "Power Button",
	195	.active_low = 1,
e7068ad3	196	},
555a3656 HVR	197	};
	198
	199	static struct gpio_keys_platform_data dns323_button_data = {
	200	.buttons = dns323_buttons,
e7068ad3	201	.nbuttons = ARRAY_SIZE(dns323_buttons),
555a3656 HVR	202	};
	203
	204	static struct platform_device dns323_button_device = {
	205	.name = "gpio-keys",
	206	.id = -1,
	207	.num_resources = 0,
e7068ad3 LB	208	.dev = {
	209	.platform_data = &dns323_button_data,
	210	},
555a3656 HVR	211	};
	212
	213	/****************************************************************************
	214	* General Setup
	215	*/
19cfd5c0 LB	216	static struct orion5x_mpp_mode dns323_mpp_modes[] __initdata = {
	217	{ 0, MPP_PCIE_RST_OUTn },
	218	{ 1, MPP_GPIO }, /* right amber LED (sata ch0) */
	219	{ 2, MPP_GPIO }, /* left amber LED (sata ch1) */
	220	{ 3, MPP_UNUSED },
	221	{ 4, MPP_GPIO }, /* power button LED */
	222	{ 5, MPP_GPIO }, /* power button LED */
	223	{ 6, MPP_GPIO }, /* GMT G751-2f overtemp */
	224	{ 7, MPP_GPIO }, /* M41T80 nIRQ/OUT/SQW */
	225	{ 8, MPP_GPIO }, /* triggers power off */
	226	{ 9, MPP_GPIO }, /* power button switch */
	227	{ 10, MPP_GPIO }, /* reset button switch */
	228	{ 11, MPP_UNUSED },
	229	{ 12, MPP_UNUSED },
	230	{ 13, MPP_UNUSED },
	231	{ 14, MPP_UNUSED },
	232	{ 15, MPP_UNUSED },
	233	{ 16, MPP_UNUSED },
	234	{ 17, MPP_UNUSED },
	235	{ 18, MPP_UNUSED },
	236	{ 19, MPP_UNUSED },
	237	{ -1 },
	238	};
555a3656	239
555a3656 HVR	240	/*
	241	* On the DNS-323 the following devices are attached via I2C:
	242	*
	243	* i2c addr \| chip \| description
	244	* 0x3e \| GMT G760Af \| fan speed PWM controller
	245	* 0x48 \| GMT G751-2f \| temp. sensor and therm. watchdog (LM75 compatible)
	246	* 0x68 \| ST M41T80 \| RTC w/ alarm
	247	*/
	248	static struct i2c_board_info __initdata dns323_i2c_devices[] = {
	249	{
	250	I2C_BOARD_INFO("g760a", 0x3e),
555a3656 HVR	251	#if 0
	252	/* this entry requires the new-style driver model lm75 driver,
	253	* for the meantime "insmod lm75.ko force_lm75=0,0x48" is needed */
e7068ad3	254	}, {
3760f736	255	I2C_BOARD_INFO("g751", 0x48),
555a3656	256	#endif
e7068ad3	257	}, {
3760f736	258	I2C_BOARD_INFO("m41t80", 0x68),
e7068ad3	259	},
555a3656 HVR	260	};
	261
	262	/* DNS-323 specific power off method */
	263	static void dns323_power_off(void)
	264	{
	265	pr_info("%s: triggering power-off...\n", __func__);
	266	gpio_set_value(DNS323_GPIO_POWER_OFF, 1);
	267	}
	268
	269	static void __init dns323_init(void)
	270	{
	271	/* Setup basic Orion functions. Need to be called early. */
9dd0b194	272	orion5x_init();
555a3656	273
19cfd5c0 LB	274	orion5x_mpp_conf(dns323_mpp_modes);
19cfd5c0 LB	275	orion5x_write(MPP_DEV_CTRL, 0); /* DEV_D[31:16] */
555a3656	276
044f6c7c LB	277	/*
	278	* Configure peripherals.
	279	*/
	280	orion5x_ehci0_init();
	281	orion5x_eth_init(&dns323_eth_data);
	282	orion5x_i2c_init();
	283	orion5x_uart0_init();
555a3656	284
044f6c7c LB	285	/* setup flash mapping
	286	* CS3 holds a 8 MB Spansion S29GL064M90TFIR4
	287	*/
	288	orion5x_setup_dev_boot_win(DNS323_NOR_BOOT_BASE, DNS323_NOR_BOOT_SIZE);
	289	platform_device_register(&dns323_nor_flash);
	290
	291	platform_device_register(&dns323_gpio_leds);
555a3656	292
044f6c7c	293	platform_device_register(&dns323_button_device);
555a3656 HVR	294
	295	i2c_register_board_info(0, dns323_i2c_devices,
	296	ARRAY_SIZE(dns323_i2c_devices));
	297
044f6c7c LB	298	/* register dns323 specific power-off method */
	299	if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 \|\|
	300	gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0)
	301	pr_err("DNS323: failed to setup power-off GPIO\n");
	302	pm_power_off = dns323_power_off;
555a3656 HVR	303	}
	304
	305	/* Warning: D-Link uses a wrong mach-type (=526) in their bootloader */
	306	MACHINE_START(DNS323, "D-Link DNS-323")
	307	/* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
9dd0b194 LB	308	.phys_io = ORION5X_REGS_PHYS_BASE,
9dd0b194 LB	309	.io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
555a3656 HVR	310	.boot_params = 0x00000100,
555a3656 HVR	311	.init_machine = dns323_init,
9dd0b194 LB	312	.map_io = orion5x_map_io,
	313	.init_irq = orion5x_init_irq,
	314	.timer = &orion5x_timer,
be73a347	315	.fixup = tag_fixup_mem32,
555a3656	316	MACHINE_END