[net-next-2.6.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/mtd/physmap.h>
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/serial_8250.h>
#include <linux/serial_reg.h>
#include <linux/smc91x.h>

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

#include <plat/common.h>
#include <mach/gpio.h>
#include <plat/flash.h>
#include <plat/mux.h>
#include <plat/tc.h>
#include <plat/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 physmap_flash_data voiceblue_flash_data = {
	.width		= 2,
	.set_vpp	= omap1_set_vpp,
};

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		= "physmap-flash",
	.id		= 0,
	.dev		= {
		.platform_data	= &voiceblue_flash_data,
	},
	.num_resources	= 1,
	.resource	= &voiceblue_flash_resource,
};

static struct smc91x_platdata voiceblue_smc91x_info = {
	.flags	= SMC91X_USE_16BIT | SMC91X_NOWAIT,
	.leda	= RPC_LED_100_10,
	.ledb	= RPC_LED_TX_RX,
};

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,
	.dev	= {
		.platform_data	= &voiceblue_smc91x_info,
	},
	.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_board_config_kernel voiceblue_config[] = {
};

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

static void __init voiceblue_init(void)
{
	/* mux pins for uarts */
	omap_cfg_reg(UART1_TX);
	omap_cfg_reg(UART1_RTS);
	omap_cfg_reg(UART2_TX);
	omap_cfg_reg(UART2_RTS);
	omap_cfg_reg(UART3_TX);
	omap_cfg_reg(UART3_RX);

	/* 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();
	omap1_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>
1da177e4 LT	20	#include <linux/kernel.h>
561b036a	21	#include <linux/mtd/physmap.h>
1da177e4 LT	22	#include <linux/notifier.h>
	23	#include <linux/reboot.h>
	24	#include <linux/serial_8250.h>
	25	#include <linux/serial_reg.h>
3bc48014	26	#include <linux/smc91x.h>
1da177e4	27
a09e64fb	28	#include <mach/hardware.h>
1da177e4 LT	29	#include <asm/mach-types.h>
	30	#include <asm/mach/arch.h>
	31	#include <asm/mach/map.h>
	32
ce491cf8	33	#include <plat/common.h>
a09e64fb	34	#include <mach/gpio.h>
561b036a	35	#include <plat/flash.h>
ce491cf8 TL	36	#include <plat/mux.h>
	37	#include <plat/tc.h>
	38	#include <plat/usb.h>
1da177e4	39
1da177e4 LT	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
561b036a	90	static struct physmap_flash_data voiceblue_flash_data = {
7c38cf02	91	.width = 2,
561b036a	92	.set_vpp = omap1_set_vpp,
7c38cf02 TL	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 = {
561b036a	102	.name = "physmap-flash",
7c38cf02 TL	103	.id = 0,
	104	.dev = {
	105	.platform_data = &voiceblue_flash_data,
	106	},
	107	.num_resources = 1,
	108	.resource = &voiceblue_flash_resource,
	109	};
	110
3bc48014 LM	111	static struct smc91x_platdata voiceblue_smc91x_info = {
	112	.flags = SMC91X_USE_16BIT \| SMC91X_NOWAIT,
	113	.leda = RPC_LED_100_10,
	114	.ledb = RPC_LED_TX_RX,
	115	};
	116
1da177e4 LT	117	static struct resource voiceblue_smc91x_resources[] = {
	118	[0] = {
	119	.start = OMAP_CS2_PHYS + 0x300,
	120	.end = OMAP_CS2_PHYS + 0x300 + 16,
	121	.flags = IORESOURCE_MEM,
	122	},
	123	[1] = {
	124	.start = OMAP_GPIO_IRQ(8),
	125	.end = OMAP_GPIO_IRQ(8),
e7b3dc7e	126	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
1da177e4 LT	127	},
	128	};
	129
	130	static struct platform_device voiceblue_smc91x_device = {
	131	.name = "smc91x",
	132	.id = 0,
3bc48014 LM	133	.dev = {
	134	.platform_data = &voiceblue_smc91x_info,
	135	},
1da177e4 LT	136	.num_resources = ARRAY_SIZE(voiceblue_smc91x_resources),
	137	.resource = voiceblue_smc91x_resources,
	138	};
	139
	140	static struct platform_device *voiceblue_devices[] __initdata = {
7c38cf02	141	&voiceblue_flash_device,
1da177e4 LT	142	&voiceblue_smc91x_device,
	143	};
	144
	145	static struct omap_usb_config voiceblue_usb_config __initdata = {
	146	.hmc_mode = 3,
	147	.register_host = 1,
	148	.register_dev = 1,
	149	.pins[0] = 2,
	150	.pins[1] = 6,
	151	.pins[2] = 6,
	152	};
	153
	154	static struct omap_board_config_kernel voiceblue_config[] = {
1da177e4 LT	155	};
	156
	157	static void __init voiceblue_init_irq(void)
	158	{
87bd63f6	159	omap1_init_common_hw();
1da177e4 LT	160	omap_init_irq();
	161	omap_gpio_init();
	162	}
	163
	164	static void __init voiceblue_init(void)
	165	{
c33da3a8 JK	166	/* mux pins for uarts */
	167	omap_cfg_reg(UART1_TX);
	168	omap_cfg_reg(UART1_RTS);
	169	omap_cfg_reg(UART2_TX);
	170	omap_cfg_reg(UART2_RTS);
	171	omap_cfg_reg(UART3_TX);
	172	omap_cfg_reg(UART3_RX);
	173
1da177e4	174	/* Watchdog */
f2d18fea	175	gpio_request(0, "Watchdog");
1da177e4	176	/* smc91x reset */
f2d18fea	177	gpio_request(7, "SMC91x reset");
e918edf7	178	gpio_direction_output(7, 1);
1da177e4	179	udelay(2); /* wait at least 100ns */
0b84b5ca	180	gpio_set_value(7, 0);
1da177e4 LT	181	mdelay(50); /* 50ms until PHY ready */
1da177e4 LT	182	/* smc91x interrupt pin */
f2d18fea	183	gpio_request(8, "SMC91x irq");
1da177e4	184	/* 16C554 reset*/
f2d18fea	185	gpio_request(6, "16C554 reset");
e918edf7	186	gpio_direction_output(6, 0);
1da177e4	187	/* 16C554 interrupt pins */
f2d18fea JN	188	gpio_request(12, "16C554 irq");
	189	gpio_request(13, "16C554 irq");
	190	gpio_request(14, "16C554 irq");
	191	gpio_request(15, "16C554 irq");
15f74b03 DB	192	set_irq_type(gpio_to_irq(12), IRQ_TYPE_EDGE_RISING);
	193	set_irq_type(gpio_to_irq(13), IRQ_TYPE_EDGE_RISING);
	194	set_irq_type(gpio_to_irq(14), IRQ_TYPE_EDGE_RISING);
	195	set_irq_type(gpio_to_irq(15), IRQ_TYPE_EDGE_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();
dd0cdd88	201	omap1_usb_init(&voiceblue_usb_config);
1ed16a86	202	omap_register_i2c_bus(1, 100, NULL, 0);
7c38cf02 TL	203
	204	/* There is a good chance board is going up, so enable power LED
	205	* (it is connected through invertor) */
	206	omap_writeb(0x00, OMAP_LPG1_LCR);
	207	omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */
1da177e4 LT	208	}
1da177e4 LT	209
1da177e4 LT	210	static void __init voiceblue_map_io(void)
1da177e4 LT	211	{
87bd63f6	212	omap1_map_common_io();
1da177e4 LT	213	}
	214
	215	#define MACHINE_PANICED 1
	216	#define MACHINE_REBOOTING 2
	217	#define MACHINE_REBOOT 4
	218	static unsigned long machine_state;
	219
	220	static int panic_event(struct notifier_block *this, unsigned long event,
	221	void *ptr)
	222	{
	223	if (test_and_set_bit(MACHINE_PANICED, &machine_state))
	224	return NOTIFY_DONE;
	225
7c38cf02	226	/* Flash power LED */
1da177e4	227	omap_writeb(0x78, OMAP_LPG1_LCR);
7c38cf02	228	omap_writeb(0x01, OMAP_LPG1_PMR); /* Enable clock */
1da177e4 LT	229
	230	return NOTIFY_DONE;
	231	}
	232
	233	static struct notifier_block panic_block = {
	234	.notifier_call = panic_event,
	235	};
	236
7c38cf02	237	static int __init voiceblue_setup(void)
1da177e4 LT	238	{
1da177e4 LT	239	/* Setup panic notifier */
a524626b	240	atomic_notifier_chain_register(&panic_notifier_list, &panic_block);
1da177e4 LT	241
	242	return 0;
	243	}
7c38cf02	244	postcore_initcall(voiceblue_setup);
1da177e4 LT	245
	246	static int wdt_gpio_state;
	247
	248	void voiceblue_wdt_enable(void)
	249	{
e918edf7	250	gpio_direction_output(0, 0);
0b84b5ca DB	251	gpio_set_value(0, 1);
0b84b5ca DB	252	gpio_set_value(0, 0);
1da177e4 LT	253	wdt_gpio_state = 0;
	254	}
	255
	256	void voiceblue_wdt_disable(void)
	257	{
0b84b5ca DB	258	gpio_set_value(0, 0);
	259	gpio_set_value(0, 1);
	260	gpio_set_value(0, 0);
40e3925b	261	gpio_direction_input(0);
1da177e4 LT	262	}
	263
	264	void voiceblue_wdt_ping(void)
	265	{
	266	if (test_bit(MACHINE_REBOOT, &machine_state))
	267	return;
	268
	269	wdt_gpio_state = !wdt_gpio_state;
0b84b5ca	270	gpio_set_value(0, wdt_gpio_state);
1da177e4 LT	271	}
	272
	273	void voiceblue_reset(void)
	274	{
	275	set_bit(MACHINE_REBOOT, &machine_state);
	276	voiceblue_wdt_enable();
	277	while (1) ;
	278	}
	279
	280	EXPORT_SYMBOL(voiceblue_wdt_enable);
	281	EXPORT_SYMBOL(voiceblue_wdt_disable);
	282	EXPORT_SYMBOL(voiceblue_wdt_ping);
	283
	284	MACHINE_START(VOICEBLUE, "VoiceBlue OMAP5910")
e9dea0c6	285	/* Maintainer: Ladislav Michl <michl@2n.cz> */
e9dea0c6 RK	286	.phys_io = 0xfff00000,
	287	.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
	288	.boot_params = 0x10000100,
	289	.map_io = voiceblue_map_io,
	290	.init_irq = voiceblue_init_irq,
	291	.init_machine = voiceblue_init,
	292	.timer = &omap_timer,
1da177e4	293	MACHINE_END