[GitHub/mt8127/android_kernel_alcatel_ttab.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"

#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 = 1,
	.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 platform_device *dns323_plat_devices[] __initdata = {
	&dns323_nor_flash,
	&dns323_gpio_leds,
	&dns323_button_device,
};

/*
 * 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();

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

	/* DNS-323 has a Marvell 88X7042 SATA controller attached via PCIe
	 *
	 * Open a special address decode windows for the PCIe WA.
	 */
	orion5x_setup_pcie_wa_win(ORION5X_PCIE_WA_PHYS_BASE,
				ORION5X_PCIE_WA_SIZE);

	/* set MPP to 0 as D-Link's 2.6.12.6 kernel did */
	orion5x_write(MPP_0_7_CTRL, 0);
	orion5x_write(MPP_8_15_CTRL, 0);
	orion5x_write(MPP_16_19_CTRL, 0);
	orion5x_write(MPP_DEV_CTRL, 0);

	/* Define used GPIO pins

	  GPIO Map:

	  |  0 |     | PEX_RST_OUT (not controlled by GPIO)
	  |  1 | Out | right amber LED (= sata ch0 LED)  (low-active)
	  |  2 | Out | left  amber LED (= sata ch1 LED)  (low-active)
	  |  3 | Out | //unknown//
	  |  4 | Out | power button LED (low-active, together with pin #5)
	  |  5 | Out | power button LED (low-active, together with pin #4)
	  |  6 | In  | GMT G751-2f overtemp. shutdown signal (low-active)
	  |  7 | In  | M41T80 nIRQ/OUT/SQW signal
	  |  8 | Out | triggers power off (high-active)
	  |  9 | In  | power button switch (low-active)
	  | 10 | In  | reset button switch (low-active)
	  | 11 | Out | //unknown//
	  | 12 | Out | //unknown//
	  | 13 | Out | //unknown//
	  | 14 | Out | //unknown//
	  | 15 | Out | //unknown//
	*/
	orion5x_gpio_set_valid_pins(0x07f6);

	/* 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;

	/* register flash and other platform devices */
	platform_add_devices(dns323_plat_devices,
			     ARRAY_SIZE(dns323_plat_devices));

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

	orion5x_eth_init(&dns323_eth_data);
}

/* 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 HVR	29	#include "common.h"
	30
	31	#define DNS323_GPIO_LED_RIGHT_AMBER 1
	32	#define DNS323_GPIO_LED_LEFT_AMBER 2
	33	#define DNS323_GPIO_LED_POWER 5
	34	#define DNS323_GPIO_OVERTEMP 6
	35	#define DNS323_GPIO_RTC 7
	36	#define DNS323_GPIO_POWER_OFF 8
	37	#define DNS323_GPIO_KEY_POWER 9
	38	#define DNS323_GPIO_KEY_RESET 10
	39
	40	/****************************************************************************
	41	* PCI setup
	42	*/
	43
	44	static int __init dns323_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
	45	{
92b913b0	46	int irq;
555a3656	47
92b913b0 LB	48	/*
	49	* Check for devices with hard-wired IRQs.
	50	*/
	51	irq = orion5x_pci_map_irq(dev, slot, pin);
	52	if (irq != -1)
	53	return irq;
	54
	55	pr_err("%s: requested mapping for unknown device\n", __func__);
555a3656 HVR	56
	57	return -1;
	58	}
	59
	60	static struct hw_pci dns323_pci __initdata = {
	61	.nr_controllers = 1,
	62	.swizzle = pci_std_swizzle,
9dd0b194 LB	63	.setup = orion5x_pci_sys_setup,
9dd0b194 LB	64	.scan = orion5x_pci_sys_scan_bus,
555a3656 HVR	65	.map_irq = dns323_pci_map_irq,
	66	};
	67
	68	static int __init dns323_pci_init(void)
	69	{
	70	if (machine_is_dns323())
	71	pci_common_init(&dns323_pci);
	72
	73	return 0;
	74	}
	75
	76	subsys_initcall(dns323_pci_init);
	77
	78	/****************************************************************************
	79	* Ethernet
	80	*/
	81
	82	static struct mv643xx_eth_platform_data dns323_eth_data = {
	83	.phy_addr = 8,
	84	.force_phy_addr = 1,
	85	};
	86
	87	/****************************************************************************
	88	* 8MiB NOR flash (Spansion S29GL064M90TFIR4)
	89	*
	90	* Layout as used by D-Link:
	91	* 0x00000000-0x00010000 : "MTD1"
	92	* 0x00010000-0x00020000 : "MTD2"
	93	* 0x00020000-0x001a0000 : "Linux Kernel"
	94	* 0x001a0000-0x007d0000 : "File System"
	95	* 0x007d0000-0x00800000 : "u-boot"
	96	*/
	97
	98	#define DNS323_NOR_BOOT_BASE 0xf4000000
	99	#define DNS323_NOR_BOOT_SIZE SZ_8M
	100
	101	static struct mtd_partition dns323_partitions[] = {
	102	{
	103	.name = "MTD1",
	104	.size = 0x00010000,
	105	.offset = 0,
	106	}, {
	107	.name = "MTD2",
	108	.size = 0x00010000,
	109	.offset = 0x00010000,
	110	}, {
	111	.name = "Linux Kernel",
	112	.size = 0x00180000,
	113	.offset = 0x00020000,
	114	}, {
	115	.name = "File System",
	116	.size = 0x00630000,
	117	.offset = 0x001A0000,
	118	}, {
	119	.name = "u-boot",
	120	.size = 0x00030000,
	121	.offset = 0x007d0000,
	122	}
	123	};
	124
	125	static struct physmap_flash_data dns323_nor_flash_data = {
	126	.width = 1,
	127	.parts = dns323_partitions,
	128	.nr_parts = ARRAY_SIZE(dns323_partitions)
129	};
130
131	static struct resource dns323_nor_flash_resource = {
132	.flags = IORESOURCE_MEM,
133	.start = DNS323_NOR_BOOT_BASE,
134	.end = DNS323_NOR_BOOT_BASE + DNS323_NOR_BOOT_SIZE - 1,
135	};
136
137	static struct platform_device dns323_nor_flash = {
138	.name = "physmap-flash",
139	.id = 0,
140	.dev = { .platform_data = &dns323_nor_flash_data, },
141	.resource = &dns323_nor_flash_resource,
142	.num_resources = 1,
143	};
144
145	/****************************************************************************
146	* GPIO LEDs (simple - doesn't use hardware blinking support)
147	*/
148
149	static struct gpio_led dns323_leds[] = {
150	{
151	.name = "power:blue",
152	.gpio = DNS323_GPIO_LED_POWER,
153	.active_low = 1,
154	}, {
155	.name = "right:amber",
156	.gpio = DNS323_GPIO_LED_RIGHT_AMBER,
157	.active_low = 1,
158	}, {
159	.name = "left:amber",
160	.gpio = DNS323_GPIO_LED_LEFT_AMBER,
161	.active_low = 1,
162	},
163	};
164
165	static struct gpio_led_platform_data dns323_led_data = {
166	.num_leds = ARRAY_SIZE(dns323_leds),
167	.leds = dns323_leds,
168	};
169
170	static struct platform_device dns323_gpio_leds = {
171	.name = "leds-gpio",
172	.id = -1,
173	.dev = { .platform_data = &dns323_led_data, },
174	};
175
176	/****************************************************************************
177	* GPIO Attached Keys
178	*/
179
180	static struct gpio_keys_button dns323_buttons[] = {
181	{
182	.code = KEY_RESTART,
183	.gpio = DNS323_GPIO_KEY_RESET,
184	.desc = "Reset Button",
185	.active_low = 1,
186	},
187	{
188	.code = KEY_POWER,
189	.gpio = DNS323_GPIO_KEY_POWER,
190	.desc = "Power Button",
191	.active_low = 1,
192	}
193	};
194
195	static struct gpio_keys_platform_data dns323_button_data = {
196	.buttons = dns323_buttons,
197	.nbuttons = ARRAY_SIZE(dns323_buttons),
198	};
199
200	static struct platform_device dns323_button_device = {
201	.name = "gpio-keys",
202	.id = -1,
203	.num_resources = 0,
204	.dev = { .platform_data = &dns323_button_data, },
205	};
206
207	/****************************************************************************
208	* General Setup
209	*/
210
211	static struct platform_device *dns323_plat_devices[] __initdata = {
212	&dns323_nor_flash,
213	&dns323_gpio_leds,
214	&dns323_button_device,
215	};
216
217	/*
218	* On the DNS-323 the following devices are attached via I2C:
219	*
220	* i2c addr \| chip \| description
221	* 0x3e \| GMT G760Af \| fan speed PWM controller
222	* 0x48 \| GMT G751-2f \| temp. sensor and therm. watchdog (LM75 compatible)
223	* 0x68 \| ST M41T80 \| RTC w/ alarm
224	*/
225	static struct i2c_board_info __initdata dns323_i2c_devices[] = {
226	{
227	I2C_BOARD_INFO("g760a", 0x3e),
555a3656 HVR	228	},
	229	#if 0
	230	/* this entry requires the new-style driver model lm75 driver,
	231	* for the meantime "insmod lm75.ko force_lm75=0,0x48" is needed */
	232	{
3760f736	233	I2C_BOARD_INFO("g751", 0x48),
555a3656 HVR	234	},
	235	#endif
	236	{
3760f736	237	I2C_BOARD_INFO("m41t80", 0x68),
555a3656 HVR	238	}
	239	};
	240
	241	/* DNS-323 specific power off method */
	242	static void dns323_power_off(void)
	243	{
	244	pr_info("%s: triggering power-off...\n", __func__);
	245	gpio_set_value(DNS323_GPIO_POWER_OFF, 1);
	246	}
	247
	248	static void __init dns323_init(void)
	249	{
	250	/* Setup basic Orion functions. Need to be called early. */
9dd0b194	251	orion5x_init();
555a3656 HVR	252
	253	/* setup flash mapping
	254	* CS3 holds a 8 MB Spansion S29GL064M90TFIR4
	255	*/
9dd0b194	256	orion5x_setup_dev_boot_win(DNS323_NOR_BOOT_BASE, DNS323_NOR_BOOT_SIZE);
555a3656	257
b46926bb	258	/* DNS-323 has a Marvell 88X7042 SATA controller attached via PCIe
555a3656	259	*
b46926bb	260	* Open a special address decode windows for the PCIe WA.
555a3656	261	*/
9dd0b194 LB	262	orion5x_setup_pcie_wa_win(ORION5X_PCIE_WA_PHYS_BASE,
9dd0b194 LB	263	ORION5X_PCIE_WA_SIZE);
555a3656 HVR	264
555a3656 HVR	265	/* set MPP to 0 as D-Link's 2.6.12.6 kernel did */
9dd0b194 LB	266	orion5x_write(MPP_0_7_CTRL, 0);
	267	orion5x_write(MPP_8_15_CTRL, 0);
	268	orion5x_write(MPP_16_19_CTRL, 0);
	269	orion5x_write(MPP_DEV_CTRL, 0);
555a3656 HVR	270
	271	/* Define used GPIO pins
	272
	273	GPIO Map:
	274
	275	\| 0 \| \| PEX_RST_OUT (not controlled by GPIO)
	276	\| 1 \| Out \| right amber LED (= sata ch0 LED) (low-active)
	277	\| 2 \| Out \| left amber LED (= sata ch1 LED) (low-active)
	278	\| 3 \| Out \| //unknown//
	279	\| 4 \| Out \| power button LED (low-active, together with pin #5)
	280	\| 5 \| Out \| power button LED (low-active, together with pin #4)
	281	\| 6 \| In \| GMT G751-2f overtemp. shutdown signal (low-active)
	282	\| 7 \| In \| M41T80 nIRQ/OUT/SQW signal
	283	\| 8 \| Out \| triggers power off (high-active)
	284	\| 9 \| In \| power button switch (low-active)
	285	\| 10 \| In \| reset button switch (low-active)
	286	\| 11 \| Out \| //unknown//
	287	\| 12 \| Out \| //unknown//
	288	\| 13 \| Out \| //unknown//
	289	\| 14 \| Out \| //unknown//
	290	\| 15 \| Out \| //unknown//
	291	*/
9dd0b194	292	orion5x_gpio_set_valid_pins(0x07f6);
555a3656 HVR	293
	294	/* register dns323 specific power-off method */
	295	if ((gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0)
	296	\|\| (gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0))
	297	pr_err("DNS323: failed to setup power-off GPIO\n");
	298
	299	pm_power_off = dns323_power_off;
	300
	301	/* register flash and other platform devices */
	302	platform_add_devices(dns323_plat_devices,
	303	ARRAY_SIZE(dns323_plat_devices));
	304
	305	i2c_register_board_info(0, dns323_i2c_devices,
	306	ARRAY_SIZE(dns323_i2c_devices));
	307
9dd0b194	308	orion5x_eth_init(&dns323_eth_data);
555a3656 HVR	309	}
	310
	311	/* Warning: D-Link uses a wrong mach-type (=526) in their bootloader */
	312	MACHINE_START(DNS323, "D-Link DNS-323")
	313	/* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
9dd0b194 LB	314	.phys_io = ORION5X_REGS_PHYS_BASE,
9dd0b194 LB	315	.io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
555a3656 HVR	316	.boot_params = 0x00000100,
555a3656 HVR	317	.init_machine = dns323_init,
9dd0b194 LB	318	.map_io = orion5x_map_io,
	319	.init_irq = orion5x_init_irq,
	320	.timer = &orion5x_timer,
be73a347	321	.fixup = tag_fixup_mem32,
555a3656	322	MACHINE_END