[deliverable/linux.git] / arch / arm / mach-omap1 / board-voiceblue.c

/*
 * linux/arch/arm/mach-omap1/board-voiceblue.c
 *
 * Modified from board-generic.c
 *
 * Copyright (C) 2004 2N Telekomunikace, Ladislav Michl <michl@2n.cz>
 *
 * Code for OMAP5910 based VoiceBlue board (VoIP to GSM gateway).
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/serial_8250.h>
#include <linux/serial_reg.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/mach/map.h>

#include <mach/common.h>
#include <mach/gpio.h>
#include <mach/mux.h>
#include <mach/tc.h>
#include <mach/usb.h>

static struct plat_serial8250_port voiceblue_ports[] = {
	{
		.mapbase	= (unsigned long)(OMAP_CS1_PHYS + 0x40000),
		.irq		= OMAP_GPIO_IRQ(12),
		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
		.iotype		= UPIO_MEM,
		.regshift	= 1,
		.uartclk	= 3686400,
	},
	{
		.mapbase	= (unsigned long)(OMAP_CS1_PHYS + 0x50000),
		.irq		= OMAP_GPIO_IRQ(13),
		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
		.iotype		= UPIO_MEM,
		.regshift	= 1,
		.uartclk	= 3686400,
	},
	{
		.mapbase	= (unsigned long)(OMAP_CS1_PHYS + 0x60000),
		.irq		= OMAP_GPIO_IRQ(14),
		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
		.iotype		= UPIO_MEM,
		.regshift	= 1,
		.uartclk	= 3686400,
	},
	{
		.mapbase	= (unsigned long)(OMAP_CS1_PHYS + 0x70000),
		.irq		= OMAP_GPIO_IRQ(15),
		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
		.iotype		= UPIO_MEM,
		.regshift	= 1,
		.uartclk	= 3686400,
	},
	{ },
};

static struct platform_device serial_device = {
	.name			= "serial8250",
	.id			= PLAT8250_DEV_PLATFORM1,
	.dev			= {
		.platform_data	= voiceblue_ports,
	},
};

static int __init ext_uart_init(void)
{
	return platform_device_register(&serial_device);
}
arch_initcall(ext_uart_init);

static struct flash_platform_data voiceblue_flash_data = {
	.map_name	= "cfi_probe",
	.width		= 2,
};

static struct resource voiceblue_flash_resource = {
	.start	= OMAP_CS0_PHYS,
	.end	= OMAP_CS0_PHYS + SZ_32M - 1,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device voiceblue_flash_device = {
	.name		= "omapflash",
	.id		= 0,
	.dev		= {
		.platform_data	= &voiceblue_flash_data,
	},
	.num_resources	= 1,
	.resource	= &voiceblue_flash_resource,
};

static struct resource voiceblue_smc91x_resources[] = {
	[0] = {
		.start	= OMAP_CS2_PHYS + 0x300,
		.end	= OMAP_CS2_PHYS + 0x300 + 16,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= OMAP_GPIO_IRQ(8),
		.end	= OMAP_GPIO_IRQ(8),
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
	},
};

static struct platform_device voiceblue_smc91x_device = {
	.name		= "smc91x",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(voiceblue_smc91x_resources),
	.resource	= voiceblue_smc91x_resources,
};

static struct platform_device *voiceblue_devices[] __initdata = {
	&voiceblue_flash_device,
	&voiceblue_smc91x_device,
};

static struct omap_usb_config voiceblue_usb_config __initdata = {
	.hmc_mode	= 3,
	.register_host	= 1,
	.register_dev   = 1,
	.pins[0]	= 2,
	.pins[1]	= 6,
	.pins[2]	= 6,
};

static struct omap_uart_config voiceblue_uart_config __initdata = {
	.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};

static struct omap_board_config_kernel voiceblue_config[] = {
	{ OMAP_TAG_UART, &voiceblue_uart_config },
};

static void __init voiceblue_init_irq(void)
{
	omap1_init_common_hw();
	omap_init_irq();
	omap_gpio_init();
}

static void __init voiceblue_init(void)
{
	/* Watchdog */
	gpio_request(0, "Watchdog");
	/* smc91x reset */
	gpio_request(7, "SMC91x reset");
	gpio_direction_output(7, 1);
	udelay(2);	/* wait at least 100ns */
	gpio_set_value(7, 0);
	mdelay(50);	/* 50ms until PHY ready */
	/* smc91x interrupt pin */
	gpio_request(8, "SMC91x irq");
	/* 16C554 reset*/
	gpio_request(6, "16C554 reset");
	gpio_direction_output(6, 0);
	/* 16C554 interrupt pins */
	gpio_request(12, "16C554 irq");
	gpio_request(13, "16C554 irq");
	gpio_request(14, "16C554 irq");
	gpio_request(15, "16C554 irq");
	set_irq_type(gpio_to_irq(12), IRQ_TYPE_EDGE_RISING);
	set_irq_type(gpio_to_irq(13), IRQ_TYPE_EDGE_RISING);
	set_irq_type(gpio_to_irq(14), IRQ_TYPE_EDGE_RISING);
	set_irq_type(gpio_to_irq(15), IRQ_TYPE_EDGE_RISING);

	platform_add_devices(voiceblue_devices, ARRAY_SIZE(voiceblue_devices));
	omap_board_config = voiceblue_config;
	omap_board_config_size = ARRAY_SIZE(voiceblue_config);
	omap_serial_init();
	omap_usb_init(&voiceblue_usb_config);
	omap_register_i2c_bus(1, 100, NULL, 0);

	/* There is a good chance board is going up, so enable power LED
	 * (it is connected through invertor) */
	omap_writeb(0x00, OMAP_LPG1_LCR);
	omap_writeb(0x00, OMAP_LPG1_PMR);	/* Disable clock */
}

static void __init voiceblue_map_io(void)
{
	omap1_map_common_io();
}

#define MACHINE_PANICED		1
#define MACHINE_REBOOTING	2
#define MACHINE_REBOOT		4
static unsigned long machine_state;

static int panic_event(struct notifier_block *this, unsigned long event,
	 void *ptr)
{
	if (test_and_set_bit(MACHINE_PANICED, &machine_state))
		return NOTIFY_DONE;

	/* Flash power LED */
	omap_writeb(0x78, OMAP_LPG1_LCR);
	omap_writeb(0x01, OMAP_LPG1_PMR);	/* Enable clock */

	return NOTIFY_DONE;
}

static struct notifier_block panic_block = {
	.notifier_call	= panic_event,
};

static int __init voiceblue_setup(void)
{
	/* Setup panic notifier */
	atomic_notifier_chain_register(&panic_notifier_list, &panic_block);

	return 0;
}
postcore_initcall(voiceblue_setup);

static int wdt_gpio_state;

void voiceblue_wdt_enable(void)
{
	gpio_direction_output(0, 0);
	gpio_set_value(0, 1);
	gpio_set_value(0, 0);
	wdt_gpio_state = 0;
}

void voiceblue_wdt_disable(void)
{
	gpio_set_value(0, 0);
	gpio_set_value(0, 1);
	gpio_set_value(0, 0);
	gpio_direction_input(0);
}

void voiceblue_wdt_ping(void)
{
	if (test_bit(MACHINE_REBOOT, &machine_state))
		return;

	wdt_gpio_state = !wdt_gpio_state;
	gpio_set_value(0, wdt_gpio_state);
}

void voiceblue_reset(void)
{
	set_bit(MACHINE_REBOOT, &machine_state);
	voiceblue_wdt_enable();
	while (1) ;
}

EXPORT_SYMBOL(voiceblue_wdt_enable);
EXPORT_SYMBOL(voiceblue_wdt_disable);
EXPORT_SYMBOL(voiceblue_wdt_ping);

MACHINE_START(VOICEBLUE, "VoiceBlue OMAP5910")
	/* Maintainer: Ladislav Michl <michl@2n.cz> */
	.phys_io	= 0xfff00000,
	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
	.boot_params	= 0x10000100,
	.map_io		= voiceblue_map_io,
	.init_irq	= voiceblue_init_irq,
	.init_machine	= voiceblue_init,
	.timer		= &omap_timer,
MACHINE_END
Commit	Line	Data
1da177e4	1	/*
dbdf9ced	2	* linux/arch/arm/mach-omap1/board-voiceblue.c
1da177e4 LT	3	*
	4	* Modified from board-generic.c
	5	*
	6	* Copyright (C) 2004 2N Telekomunikace, Ladislav Michl <michl@2n.cz>
	7	*
	8	* Code for OMAP5910 based VoiceBlue board (VoIP to GSM gateway).
	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License version 2 as
	12	* published by the Free Software Foundation.
	13	*/
	14
	15	#include <linux/delay.h>
d052d1be	16	#include <linux/platform_device.h>
1da177e4	17	#include <linux/interrupt.h>
652bcd8f	18	#include <linux/irq.h>
1da177e4 LT	19	#include <linux/init.h>
	20	#include <linux/kernel.h>
	21	#include <linux/notifier.h>
	22	#include <linux/reboot.h>
	23	#include <linux/serial_8250.h>
	24	#include <linux/serial_reg.h>
	25
a09e64fb	26	#include <mach/hardware.h>
1da177e4 LT	27	#include <asm/mach-types.h>
1da177e4 LT	28	#include <asm/mach/arch.h>
7c38cf02	29	#include <asm/mach/flash.h>
1da177e4 LT	30	#include <asm/mach/map.h>
1da177e4 LT	31
a09e64fb RK	32	#include <mach/common.h>
	33	#include <mach/gpio.h>
	34	#include <mach/mux.h>
	35	#include <mach/tc.h>
	36	#include <mach/usb.h>
1da177e4	37
1da177e4 LT	38	static struct plat_serial8250_port voiceblue_ports[] = {
	39	{
	40	.mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x40000),
	41	.irq = OMAP_GPIO_IRQ(12),
	42	.flags = UPF_BOOT_AUTOCONF \| UPF_IOREMAP,
	43	.iotype = UPIO_MEM,
	44	.regshift = 1,
	45	.uartclk = 3686400,
	46	},
	47	{
	48	.mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x50000),
	49	.irq = OMAP_GPIO_IRQ(13),
	50	.flags = UPF_BOOT_AUTOCONF \| UPF_IOREMAP,
	51	.iotype = UPIO_MEM,
	52	.regshift = 1,
	53	.uartclk = 3686400,
	54	},
	55	{
	56	.mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x60000),
	57	.irq = OMAP_GPIO_IRQ(14),
	58	.flags = UPF_BOOT_AUTOCONF \| UPF_IOREMAP,
	59	.iotype = UPIO_MEM,
	60	.regshift = 1,
	61	.uartclk = 3686400,
	62	},
	63	{
	64	.mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x70000),
	65	.irq = OMAP_GPIO_IRQ(15),
	66	.flags = UPF_BOOT_AUTOCONF \| UPF_IOREMAP,
	67	.iotype = UPIO_MEM,
	68	.regshift = 1,
	69	.uartclk = 3686400,
	70	},
	71	{ },
	72	};
	73
	74	static struct platform_device serial_device = {
	75	.name = "serial8250",
6df29deb	76	.id = PLAT8250_DEV_PLATFORM1,
1da177e4 LT	77	.dev = {
	78	.platform_data = voiceblue_ports,
	79	},
	80	};
	81
	82	static int __init ext_uart_init(void)
	83	{
	84	return platform_device_register(&serial_device);
	85	}
	86	arch_initcall(ext_uart_init);
	87
7c38cf02 TL	88	static struct flash_platform_data voiceblue_flash_data = {
	89	.map_name = "cfi_probe",
	90	.width = 2,
	91	};
	92
	93	static struct resource voiceblue_flash_resource = {
	94	.start = OMAP_CS0_PHYS,
	95	.end = OMAP_CS0_PHYS + SZ_32M - 1,
	96	.flags = IORESOURCE_MEM,
	97	};
	98
	99	static struct platform_device voiceblue_flash_device = {
	100	.name = "omapflash",
	101	.id = 0,
	102	.dev = {
	103	.platform_data = &voiceblue_flash_data,
	104	},
	105	.num_resources = 1,
	106	.resource = &voiceblue_flash_resource,
	107	};
	108
1da177e4 LT	109	static struct resource voiceblue_smc91x_resources[] = {
	110	[0] = {
	111	.start = OMAP_CS2_PHYS + 0x300,
	112	.end = OMAP_CS2_PHYS + 0x300 + 16,
	113	.flags = IORESOURCE_MEM,
	114	},
	115	[1] = {
	116	.start = OMAP_GPIO_IRQ(8),
	117	.end = OMAP_GPIO_IRQ(8),
e7b3dc7e	118	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
1da177e4 LT	119	},
	120	};
	121
	122	static struct platform_device voiceblue_smc91x_device = {
	123	.name = "smc91x",
	124	.id = 0,
	125	.num_resources = ARRAY_SIZE(voiceblue_smc91x_resources),
	126	.resource = voiceblue_smc91x_resources,
	127	};
	128
	129	static struct platform_device *voiceblue_devices[] __initdata = {
7c38cf02	130	&voiceblue_flash_device,
1da177e4 LT	131	&voiceblue_smc91x_device,
	132	};
	133
	134	static struct omap_usb_config voiceblue_usb_config __initdata = {
	135	.hmc_mode = 3,
	136	.register_host = 1,
	137	.register_dev = 1,
	138	.pins[0] = 2,
	139	.pins[1] = 6,
	140	.pins[2] = 6,
	141	};
	142
3179a019 TL	143	static struct omap_uart_config voiceblue_uart_config __initdata = {
	144	.enabled_uarts = ((1 << 0) \| (1 << 1) \| (1 << 2)),
	145	};
	146
1da177e4	147	static struct omap_board_config_kernel voiceblue_config[] = {
9b6553cd	148	{ OMAP_TAG_UART, &voiceblue_uart_config },
1da177e4 LT	149	};
	150
	151	static void __init voiceblue_init_irq(void)
	152	{
87bd63f6	153	omap1_init_common_hw();
1da177e4 LT	154	omap_init_irq();
	155	omap_gpio_init();
	156	}
	157
	158	static void __init voiceblue_init(void)
	159	{
1da177e4	160	/* Watchdog */
f2d18fea	161	gpio_request(0, "Watchdog");
1da177e4	162	/* smc91x reset */
f2d18fea	163	gpio_request(7, "SMC91x reset");
e918edf7	164	gpio_direction_output(7, 1);
1da177e4	165	udelay(2); /* wait at least 100ns */
0b84b5ca	166	gpio_set_value(7, 0);
1da177e4 LT	167	mdelay(50); /* 50ms until PHY ready */
1da177e4 LT	168	/* smc91x interrupt pin */
f2d18fea	169	gpio_request(8, "SMC91x irq");
1da177e4	170	/* 16C554 reset*/
f2d18fea	171	gpio_request(6, "16C554 reset");
e918edf7	172	gpio_direction_output(6, 0);
1da177e4	173	/* 16C554 interrupt pins */
f2d18fea JN	174	gpio_request(12, "16C554 irq");
	175	gpio_request(13, "16C554 irq");
	176	gpio_request(14, "16C554 irq");
	177	gpio_request(15, "16C554 irq");
15f74b03 DB	178	set_irq_type(gpio_to_irq(12), IRQ_TYPE_EDGE_RISING);
	179	set_irq_type(gpio_to_irq(13), IRQ_TYPE_EDGE_RISING);
	180	set_irq_type(gpio_to_irq(14), IRQ_TYPE_EDGE_RISING);
	181	set_irq_type(gpio_to_irq(15), IRQ_TYPE_EDGE_RISING);
1da177e4 LT	182
	183	platform_add_devices(voiceblue_devices, ARRAY_SIZE(voiceblue_devices));
	184	omap_board_config = voiceblue_config;
	185	omap_board_config_size = ARRAY_SIZE(voiceblue_config);
3179a019	186	omap_serial_init();
b0b5aa3f	187	omap_usb_init(&voiceblue_usb_config);
1ed16a86	188	omap_register_i2c_bus(1, 100, NULL, 0);
7c38cf02 TL	189
	190	/* There is a good chance board is going up, so enable power LED
	191	* (it is connected through invertor) */
	192	omap_writeb(0x00, OMAP_LPG1_LCR);
	193	omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */
1da177e4 LT	194	}
1da177e4 LT	195
1da177e4 LT	196	static void __init voiceblue_map_io(void)
1da177e4 LT	197	{
87bd63f6	198	omap1_map_common_io();
1da177e4 LT	199	}
	200
	201	#define MACHINE_PANICED 1
	202	#define MACHINE_REBOOTING 2
	203	#define MACHINE_REBOOT 4
	204	static unsigned long machine_state;
	205
	206	static int panic_event(struct notifier_block *this, unsigned long event,
	207	void *ptr)
	208	{
	209	if (test_and_set_bit(MACHINE_PANICED, &machine_state))
	210	return NOTIFY_DONE;
	211
7c38cf02	212	/* Flash power LED */
1da177e4	213	omap_writeb(0x78, OMAP_LPG1_LCR);
7c38cf02	214	omap_writeb(0x01, OMAP_LPG1_PMR); /* Enable clock */
1da177e4 LT	215
	216	return NOTIFY_DONE;
	217	}
	218
	219	static struct notifier_block panic_block = {
	220	.notifier_call = panic_event,
	221	};
	222
7c38cf02	223	static int __init voiceblue_setup(void)
1da177e4 LT	224	{
1da177e4 LT	225	/* Setup panic notifier */
a524626b	226	atomic_notifier_chain_register(&panic_notifier_list, &panic_block);
1da177e4 LT	227
	228	return 0;
	229	}
7c38cf02	230	postcore_initcall(voiceblue_setup);
1da177e4 LT	231
	232	static int wdt_gpio_state;
	233
	234	void voiceblue_wdt_enable(void)
	235	{
e918edf7	236	gpio_direction_output(0, 0);
0b84b5ca DB	237	gpio_set_value(0, 1);
0b84b5ca DB	238	gpio_set_value(0, 0);
1da177e4 LT	239	wdt_gpio_state = 0;
	240	}
	241
	242	void voiceblue_wdt_disable(void)
	243	{
0b84b5ca DB	244	gpio_set_value(0, 0);
	245	gpio_set_value(0, 1);
	246	gpio_set_value(0, 0);
40e3925b	247	gpio_direction_input(0);
1da177e4 LT	248	}
	249
	250	void voiceblue_wdt_ping(void)
	251	{
	252	if (test_bit(MACHINE_REBOOT, &machine_state))
	253	return;
	254
	255	wdt_gpio_state = !wdt_gpio_state;
0b84b5ca	256	gpio_set_value(0, wdt_gpio_state);
1da177e4 LT	257	}
	258
	259	void voiceblue_reset(void)
	260	{
	261	set_bit(MACHINE_REBOOT, &machine_state);
	262	voiceblue_wdt_enable();
	263	while (1) ;
	264	}
	265
	266	EXPORT_SYMBOL(voiceblue_wdt_enable);
	267	EXPORT_SYMBOL(voiceblue_wdt_disable);
	268	EXPORT_SYMBOL(voiceblue_wdt_ping);
	269
	270	MACHINE_START(VOICEBLUE, "VoiceBlue OMAP5910")
e9dea0c6	271	/* Maintainer: Ladislav Michl <michl@2n.cz> */
e9dea0c6 RK	272	.phys_io = 0xfff00000,
	273	.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
	274	.boot_params = 0x10000100,
	275	.map_io = voiceblue_map_io,
	276	.init_irq = voiceblue_init_irq,
	277	.init_machine = voiceblue_init,
	278	.timer = &omap_timer,
1da177e4	279	MACHINE_END