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

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

extern void omap_init_time(void);
extern int omap_gpio_init(void);

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,
	},
};

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_mmc_config voiceblue_mmc_config __initdata = {
	.mmc[0] = {
		.enabled	= 1,
		.power_pin	= 2,
		.switch_pin	= -1,
	},
};

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_USB,  &voiceblue_usb_config },
	{ OMAP_TAG_MMC,  &voiceblue_mmc_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 */
	omap_request_gpio(0);
	/* smc91x reset */
	omap_request_gpio(7);
	omap_set_gpio_direction(7, 0);
	omap_set_gpio_dataout(7, 1);
	udelay(2);	/* wait at least 100ns */
	omap_set_gpio_dataout(7, 0);
	mdelay(50);	/* 50ms until PHY ready */
	/* smc91x interrupt pin */
	omap_request_gpio(8);
	/* 16C554 reset*/
	omap_request_gpio(6);
	omap_set_gpio_direction(6, 0);
	omap_set_gpio_dataout(6, 0);
	/* 16C554 interrupt pins */
	omap_request_gpio(12);
	omap_request_gpio(13);
	omap_request_gpio(14);
	omap_request_gpio(15);
	set_irq_type(OMAP_GPIO_IRQ(12), IRQT_RISING);
	set_irq_type(OMAP_GPIO_IRQ(13), IRQT_RISING);
	set_irq_type(OMAP_GPIO_IRQ(14), IRQT_RISING);
	set_irq_type(OMAP_GPIO_IRQ(15), IRQT_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();

	/* 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 */
	notifier_chain_register(&panic_notifier_list, &panic_block);

	return 0;
}
postcore_initcall(voiceblue_setup);

static int wdt_gpio_state;

void voiceblue_wdt_enable(void)
{
	omap_set_gpio_direction(0, 0);
	omap_set_gpio_dataout(0, 0);
	omap_set_gpio_dataout(0, 1);
	omap_set_gpio_dataout(0, 0);
	wdt_gpio_state = 0;
}

void voiceblue_wdt_disable(void)
{
	omap_set_gpio_dataout(0, 0);
	omap_set_gpio_dataout(0, 1);
	omap_set_gpio_dataout(0, 0);
	omap_set_gpio_direction(0, 1);
}

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

	wdt_gpio_state = !wdt_gpio_state;
	omap_set_gpio_dataout(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 LT	17	#include <linux/interrupt.h>
	18	#include <linux/init.h>
	19	#include <linux/kernel.h>
	20	#include <linux/notifier.h>
	21	#include <linux/reboot.h>
	22	#include <linux/serial_8250.h>
	23	#include <linux/serial_reg.h>
	24
	25	#include <asm/hardware.h>
	26	#include <asm/mach-types.h>
	27	#include <asm/mach/arch.h>
7c38cf02	28	#include <asm/mach/flash.h>
1da177e4 LT	29	#include <asm/mach/map.h>
1da177e4 LT	30
7c38cf02	31	#include <asm/arch/common.h>
1da177e4	32	#include <asm/arch/gpio.h>
1da177e4	33	#include <asm/arch/mux.h>
7c38cf02	34	#include <asm/arch/tc.h>
1da177e4	35	#include <asm/arch/usb.h>
1da177e4 LT	36
	37	extern void omap_init_time(void);
	38	extern int omap_gpio_init(void);
	39
	40	static struct plat_serial8250_port voiceblue_ports[] = {
	41	{
	42	.mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x40000),
	43	.irq = OMAP_GPIO_IRQ(12),
	44	.flags = UPF_BOOT_AUTOCONF \| UPF_IOREMAP,
	45	.iotype = UPIO_MEM,
	46	.regshift = 1,
	47	.uartclk = 3686400,
	48	},
	49	{
	50	.mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x50000),
	51	.irq = OMAP_GPIO_IRQ(13),
	52	.flags = UPF_BOOT_AUTOCONF \| UPF_IOREMAP,
	53	.iotype = UPIO_MEM,
	54	.regshift = 1,
	55	.uartclk = 3686400,
	56	},
	57	{
	58	.mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x60000),
	59	.irq = OMAP_GPIO_IRQ(14),
	60	.flags = UPF_BOOT_AUTOCONF \| UPF_IOREMAP,
	61	.iotype = UPIO_MEM,
	62	.regshift = 1,
	63	.uartclk = 3686400,
	64	},
	65	{
	66	.mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x70000),
	67	.irq = OMAP_GPIO_IRQ(15),
	68	.flags = UPF_BOOT_AUTOCONF \| UPF_IOREMAP,
	69	.iotype = UPIO_MEM,
	70	.regshift = 1,
	71	.uartclk = 3686400,
	72	},
	73	{ },
	74	};
	75
	76	static struct platform_device serial_device = {
	77	.name = "serial8250",
6df29deb	78	.id = PLAT8250_DEV_PLATFORM1,
1da177e4 LT	79	.dev = {
	80	.platform_data = voiceblue_ports,
	81	},
	82	};
	83
	84	static int __init ext_uart_init(void)
	85	{
	86	return platform_device_register(&serial_device);
	87	}
	88	arch_initcall(ext_uart_init);
	89
7c38cf02 TL	90	static struct flash_platform_data voiceblue_flash_data = {
	91	.map_name = "cfi_probe",
	92	.width = 2,
	93	};
	94
	95	static struct resource voiceblue_flash_resource = {
	96	.start = OMAP_CS0_PHYS,
	97	.end = OMAP_CS0_PHYS + SZ_32M - 1,
	98	.flags = IORESOURCE_MEM,
	99	};
	100
	101	static struct platform_device voiceblue_flash_device = {
	102	.name = "omapflash",
	103	.id = 0,
	104	.dev = {
	105	.platform_data = &voiceblue_flash_data,
	106	},
	107	.num_resources = 1,
	108	.resource = &voiceblue_flash_resource,
	109	};
	110
1da177e4 LT	111	static struct resource voiceblue_smc91x_resources[] = {
	112	[0] = {
	113	.start = OMAP_CS2_PHYS + 0x300,
	114	.end = OMAP_CS2_PHYS + 0x300 + 16,
	115	.flags = IORESOURCE_MEM,
	116	},
	117	[1] = {
	118	.start = OMAP_GPIO_IRQ(8),
	119	.end = OMAP_GPIO_IRQ(8),
	120	.flags = IORESOURCE_IRQ,
	121	},
	122	};
	123
	124	static struct platform_device voiceblue_smc91x_device = {
	125	.name = "smc91x",
	126	.id = 0,
	127	.num_resources = ARRAY_SIZE(voiceblue_smc91x_resources),
	128	.resource = voiceblue_smc91x_resources,
	129	};
	130
	131	static struct platform_device *voiceblue_devices[] __initdata = {
7c38cf02	132	&voiceblue_flash_device,
1da177e4 LT	133	&voiceblue_smc91x_device,
	134	};
	135
	136	static struct omap_usb_config voiceblue_usb_config __initdata = {
	137	.hmc_mode = 3,
	138	.register_host = 1,
	139	.register_dev = 1,
	140	.pins[0] = 2,
	141	.pins[1] = 6,
	142	.pins[2] = 6,
	143	};
	144
7c38cf02 TL	145	static struct omap_mmc_config voiceblue_mmc_config __initdata = {
	146	.mmc[0] = {
	147	.enabled = 1,
	148	.power_pin = 2,
	149	.switch_pin = -1,
	150	},
	151	};
	152
3179a019 TL	153	static struct omap_uart_config voiceblue_uart_config __initdata = {
	154	.enabled_uarts = ((1 << 0) \| (1 << 1) \| (1 << 2)),
	155	};
	156
1da177e4	157	static struct omap_board_config_kernel voiceblue_config[] = {
9b6553cd TL	158	{ OMAP_TAG_USB, &voiceblue_usb_config },
	159	{ OMAP_TAG_MMC, &voiceblue_mmc_config },
	160	{ OMAP_TAG_UART, &voiceblue_uart_config },
1da177e4 LT	161	};
	162
	163	static void __init voiceblue_init_irq(void)
	164	{
87bd63f6	165	omap1_init_common_hw();
1da177e4 LT	166	omap_init_irq();
	167	omap_gpio_init();
	168	}
	169
	170	static void __init voiceblue_init(void)
	171	{
1da177e4 LT	172	/* Watchdog */
	173	omap_request_gpio(0);
	174	/* smc91x reset */
	175	omap_request_gpio(7);
	176	omap_set_gpio_direction(7, 0);
	177	omap_set_gpio_dataout(7, 1);
	178	udelay(2); /* wait at least 100ns */
	179	omap_set_gpio_dataout(7, 0);
	180	mdelay(50); /* 50ms until PHY ready */
	181	/* smc91x interrupt pin */
	182	omap_request_gpio(8);
1da177e4 LT	183	/* 16C554 reset*/
	184	omap_request_gpio(6);
	185	omap_set_gpio_direction(6, 0);
	186	omap_set_gpio_dataout(6, 0);
	187	/* 16C554 interrupt pins */
	188	omap_request_gpio(12);
	189	omap_request_gpio(13);
	190	omap_request_gpio(14);
	191	omap_request_gpio(15);
7c38cf02 TL	192	set_irq_type(OMAP_GPIO_IRQ(12), IRQT_RISING);
	193	set_irq_type(OMAP_GPIO_IRQ(13), IRQT_RISING);
	194	set_irq_type(OMAP_GPIO_IRQ(14), IRQT_RISING);
	195	set_irq_type(OMAP_GPIO_IRQ(15), IRQT_RISING);
1da177e4 LT	196
	197	platform_add_devices(voiceblue_devices, ARRAY_SIZE(voiceblue_devices));
	198	omap_board_config = voiceblue_config;
	199	omap_board_config_size = ARRAY_SIZE(voiceblue_config);
3179a019	200	omap_serial_init();
7c38cf02 TL	201
	202	/* There is a good chance board is going up, so enable power LED
	203	* (it is connected through invertor) */
	204	omap_writeb(0x00, OMAP_LPG1_LCR);
	205	omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */
1da177e4 LT	206	}
1da177e4 LT	207
1da177e4 LT	208	static void __init voiceblue_map_io(void)
1da177e4 LT	209	{
87bd63f6	210	omap1_map_common_io();
1da177e4 LT	211	}
	212
	213	#define MACHINE_PANICED 1
	214	#define MACHINE_REBOOTING 2
	215	#define MACHINE_REBOOT 4
	216	static unsigned long machine_state;
	217
	218	static int panic_event(struct notifier_block *this, unsigned long event,
	219	void *ptr)
	220	{
	221	if (test_and_set_bit(MACHINE_PANICED, &machine_state))
	222	return NOTIFY_DONE;
	223
7c38cf02	224	/* Flash power LED */
1da177e4	225	omap_writeb(0x78, OMAP_LPG1_LCR);
7c38cf02	226	omap_writeb(0x01, OMAP_LPG1_PMR); /* Enable clock */
1da177e4 LT	227
	228	return NOTIFY_DONE;
	229	}
	230
	231	static struct notifier_block panic_block = {
	232	.notifier_call = panic_event,
	233	};
	234
7c38cf02	235	static int __init voiceblue_setup(void)
1da177e4 LT	236	{
1da177e4 LT	237	/* Setup panic notifier */
9b6553cd	238	notifier_chain_register(&panic_notifier_list, &panic_block);
1da177e4 LT	239
	240	return 0;
	241	}
7c38cf02	242	postcore_initcall(voiceblue_setup);
1da177e4 LT	243
	244	static int wdt_gpio_state;
	245
	246	void voiceblue_wdt_enable(void)
	247	{
	248	omap_set_gpio_direction(0, 0);
	249	omap_set_gpio_dataout(0, 0);
	250	omap_set_gpio_dataout(0, 1);
	251	omap_set_gpio_dataout(0, 0);
	252	wdt_gpio_state = 0;
	253	}
	254
	255	void voiceblue_wdt_disable(void)
	256	{
	257	omap_set_gpio_dataout(0, 0);
	258	omap_set_gpio_dataout(0, 1);
	259	omap_set_gpio_dataout(0, 0);
	260	omap_set_gpio_direction(0, 1);
	261	}
	262
	263	void voiceblue_wdt_ping(void)
	264	{
	265	if (test_bit(MACHINE_REBOOT, &machine_state))
	266	return;
	267
	268	wdt_gpio_state = !wdt_gpio_state;
	269	omap_set_gpio_dataout(0, wdt_gpio_state);
	270	}
	271
	272	void voiceblue_reset(void)
	273	{
	274	set_bit(MACHINE_REBOOT, &machine_state);
	275	voiceblue_wdt_enable();
	276	while (1) ;
	277	}
	278
	279	EXPORT_SYMBOL(voiceblue_wdt_enable);
	280	EXPORT_SYMBOL(voiceblue_wdt_disable);
	281	EXPORT_SYMBOL(voiceblue_wdt_ping);
	282
	283	MACHINE_START(VOICEBLUE, "VoiceBlue OMAP5910")
e9dea0c6	284	/* Maintainer: Ladislav Michl <michl@2n.cz> */
e9dea0c6 RK	285	.phys_io = 0xfff00000,
	286	.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
	287	.boot_params = 0x10000100,
	288	.map_io = voiceblue_map_io,
	289	.init_irq = voiceblue_init_irq,
	290	.init_machine = voiceblue_init,
	291	.timer = &omap_timer,
1da177e4	292	MACHINE_END