[linux-2.6-block.git] / arch / arm / mach-iop32x / glantank.c

/*
 * arch/arm/mach-iop32x/glantank.c
 *
 * Board support code for the GLAN Tank.
 *
 * Copyright (C) 2006, 2007 Martin Michlmayr <tbm@cyrius.com>
 * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU 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/mm.h>
#include <linux/init.h>
#include <linux/f75375s.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/pm.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/serial_core.h>
#include <linux/serial_8250.h>
#include <linux/mtd/physmap.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <asm/hardware.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/pci.h>
#include <asm/mach/time.h>
#include <asm/mach-types.h>
#include <asm/page.h>
#include <asm/arch/time.h>

/*
 * GLAN Tank timer tick configuration.
 */
static void __init glantank_timer_init(void)
{
	/* 33.333 MHz crystal.  */
	iop_init_time(200000000);
}

static struct sys_timer glantank_timer = {
	.init		= glantank_timer_init,
	.offset		= iop_gettimeoffset,
};


/*
 * GLAN Tank I/O.
 */
static struct map_desc glantank_io_desc[] __initdata = {
	{	/* on-board devices */
		.virtual	= GLANTANK_UART,
		.pfn		= __phys_to_pfn(GLANTANK_UART),
		.length		= 0x00100000,
		.type		= MT_DEVICE
	},
};

void __init glantank_map_io(void)
{
	iop3xx_map_io();
	iotable_init(glantank_io_desc, ARRAY_SIZE(glantank_io_desc));
}


/*
 * GLAN Tank PCI.
 */
#define INTA	IRQ_IOP32X_XINT0
#define INTB	IRQ_IOP32X_XINT1
#define INTC	IRQ_IOP32X_XINT2
#define INTD	IRQ_IOP32X_XINT3

static int __init
glantank_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
	static int pci_irq_table[][4] = {
		/*
		 * PCI IDSEL/INTPIN->INTLINE
		 * A       B       C       D
		 */
		{INTD, INTD, INTD, INTD}, /* UART (8250) */
		{INTA, INTA, INTA, INTA}, /* Ethernet (E1000) */
		{INTB, INTB, INTB, INTB}, /* IDE (AEC6280R) */
		{INTC, INTC, INTC, INTC}, /* USB (NEC) */
	};

	BUG_ON(pin < 1 || pin > 4);

	return pci_irq_table[slot % 4][pin - 1];
}

static struct hw_pci glantank_pci __initdata = {
	.swizzle	= pci_std_swizzle,
	.nr_controllers = 1,
	.setup		= iop3xx_pci_setup,
	.preinit	= iop3xx_pci_preinit,
	.scan		= iop3xx_pci_scan_bus,
	.map_irq	= glantank_pci_map_irq,
};

static int __init glantank_pci_init(void)
{
	if (machine_is_glantank())
		pci_common_init(&glantank_pci);

	return 0;
}

subsys_initcall(glantank_pci_init);


/*
 * GLAN Tank machine initialization.
 */
static struct physmap_flash_data glantank_flash_data = {
	.width		= 2,
};

static struct resource glantank_flash_resource = {
	.start		= 0xf0000000,
	.end		= 0xf007ffff,
	.flags		= IORESOURCE_MEM,
};

static struct platform_device glantank_flash_device = {
	.name		= "physmap-flash",
	.id		= 0,
	.dev		= {
		.platform_data	= &glantank_flash_data,
	},
	.num_resources	= 1,
	.resource	= &glantank_flash_resource,
};

static struct plat_serial8250_port glantank_serial_port[] = {
	{
		.mapbase	= GLANTANK_UART,
		.membase	= (char *)GLANTANK_UART,
		.irq		= IRQ_IOP32X_XINT3,
		.flags		= UPF_SKIP_TEST,
		.iotype		= UPIO_MEM,
		.regshift	= 0,
		.uartclk	= 1843200,
	},
	{ },
};

static struct resource glantank_uart_resource = {
	.start		= GLANTANK_UART,
	.end		= GLANTANK_UART + 7,
	.flags		= IORESOURCE_MEM,
};

static struct platform_device glantank_serial_device = {
	.name		= "serial8250",
	.id		= PLAT8250_DEV_PLATFORM,
	.dev		= {
		.platform_data		= glantank_serial_port,
	},
	.num_resources	= 1,
	.resource	= &glantank_uart_resource,
};

static struct f75375s_platform_data glantank_f75375s = {
	.pwm		= { 255, 255 },
	.pwm_enable	= { 0, 0 },
};

static struct i2c_board_info __initdata glantank_i2c_devices[] = {
	{
		I2C_BOARD_INFO("rtc-rs5c372", 0x32),
		.type = "rs5c372a",
	},
	{
		I2C_BOARD_INFO("f75375", 0x2e),
		.type = "f75375",
		.platform_data = &glantank_f75375s,
	},
};

static void glantank_power_off(void)
{
	__raw_writeb(0x01, 0xfe8d0004);

	while (1)
		;
}

static void __init glantank_init_machine(void)
{
	platform_device_register(&iop3xx_i2c0_device);
	platform_device_register(&iop3xx_i2c1_device);
	platform_device_register(&glantank_flash_device);
	platform_device_register(&glantank_serial_device);
	platform_device_register(&iop3xx_dma_0_channel);
	platform_device_register(&iop3xx_dma_1_channel);

	i2c_register_board_info(0, glantank_i2c_devices,
		ARRAY_SIZE(glantank_i2c_devices));

	pm_power_off = glantank_power_off;
}

MACHINE_START(GLANTANK, "GLAN Tank")
	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
	.phys_io	= GLANTANK_UART,
	.io_pg_offst	= ((GLANTANK_UART) >> 18) & 0xfffc,
	.boot_params	= 0xa0000100,
	.map_io		= glantank_map_io,
	.init_irq	= iop32x_init_irq,
	.timer		= &glantank_timer,
	.init_machine	= glantank_init_machine,
MACHINE_END
Commit	Line	Data
0c92e830 LB	1	/*
	2	* arch/arm/mach-iop32x/glantank.c
	3	*
	4	* Board support code for the GLAN Tank.
	5	*
bd7b8858	6	* Copyright (C) 2006, 2007 Martin Michlmayr <tbm@cyrius.com>
0c92e830 LB	7	* Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
	8	*
	9	* This program is free software; you can redistribute it and/or modify it
	10	* under the terms of the GNU General Public License as published by the
	11	* Free Software Foundation; either version 2 of the License, or (at your
	12	* option) any later version.
	13	*/
	14
	15	#include <linux/mm.h>
	16	#include <linux/init.h>
4e7ffb6a	17	#include <linux/f75375s.h>
0c92e830 LB	18	#include <linux/kernel.h>
0c92e830 LB	19	#include <linux/pci.h>
4e7ffb6a	20	#include <linux/pm.h>
0c92e830 LB	21	#include <linux/string.h>
	22	#include <linux/slab.h>
	23	#include <linux/serial_core.h>
	24	#include <linux/serial_8250.h>
	25	#include <linux/mtd/physmap.h>
bd7b8858	26	#include <linux/i2c.h>
0c92e830 LB	27	#include <linux/platform_device.h>
	28	#include <asm/hardware.h>
	29	#include <asm/io.h>
	30	#include <asm/irq.h>
	31	#include <asm/mach/arch.h>
	32	#include <asm/mach/map.h>
	33	#include <asm/mach/pci.h>
	34	#include <asm/mach/time.h>
	35	#include <asm/mach-types.h>
	36	#include <asm/page.h>
3668b45d	37	#include <asm/arch/time.h>
0c92e830 LB	38
	39	/*
	40	* GLAN Tank timer tick configuration.
	41	*/
	42	static void __init glantank_timer_init(void)
	43	{
	44	/* 33.333 MHz crystal. */
3668b45d	45	iop_init_time(200000000);
0c92e830 LB	46	}
	47
	48	static struct sys_timer glantank_timer = {
	49	.init = glantank_timer_init,
3668b45d	50	.offset = iop_gettimeoffset,
0c92e830 LB	51	};
	52
	53
	54	/*
	55	* GLAN Tank I/O.
	56	*/
	57	static struct map_desc glantank_io_desc[] __initdata = {
	58	{ /* on-board devices */
	59	.virtual = GLANTANK_UART,
	60	.pfn = __phys_to_pfn(GLANTANK_UART),
	61	.length = 0x00100000,
	62	.type = MT_DEVICE
	63	},
	64	};
	65
	66	void __init glantank_map_io(void)
	67	{
	68	iop3xx_map_io();
	69	iotable_init(glantank_io_desc, ARRAY_SIZE(glantank_io_desc));
	70	}
	71
	72
	73	/*
	74	* GLAN Tank PCI.
	75	*/
	76	#define INTA IRQ_IOP32X_XINT0
	77	#define INTB IRQ_IOP32X_XINT1
	78	#define INTC IRQ_IOP32X_XINT2
	79	#define INTD IRQ_IOP32X_XINT3
	80
d73d8011	81	static int __init
0c92e830 LB	82	glantank_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
	83	{
	84	static int pci_irq_table[][4] = {
	85	/*
	86	* PCI IDSEL/INTPIN->INTLINE
	87	* A B C D
	88	*/
	89	{INTD, INTD, INTD, INTD}, /* UART (8250) */
	90	{INTA, INTA, INTA, INTA}, /* Ethernet (E1000) */
	91	{INTB, INTB, INTB, INTB}, /* IDE (AEC6280R) */
	92	{INTC, INTC, INTC, INTC}, /* USB (NEC) */
	93	};
	94
	95	BUG_ON(pin < 1 \|\| pin > 4);
	96
	97	return pci_irq_table[slot % 4][pin - 1];
	98	}
	99
	100	static struct hw_pci glantank_pci __initdata = {
	101	.swizzle = pci_std_swizzle,
	102	.nr_controllers = 1,
	103	.setup = iop3xx_pci_setup,
	104	.preinit = iop3xx_pci_preinit,
	105	.scan = iop3xx_pci_scan_bus,
	106	.map_irq = glantank_pci_map_irq,
	107	};
	108
	109	static int __init glantank_pci_init(void)
	110	{
	111	if (machine_is_glantank())
	112	pci_common_init(&glantank_pci);
	113
	114	return 0;
	115	}
	116
	117	subsys_initcall(glantank_pci_init);
	118
	119
	120	/*
	121	* GLAN Tank machine initialization.
	122	*/
	123	static struct physmap_flash_data glantank_flash_data = {
b696b6b4	124	.width = 2,
0c92e830 LB	125	};
	126
	127	static struct resource glantank_flash_resource = {
	128	.start = 0xf0000000,
	129	.end = 0xf007ffff,
	130	.flags = IORESOURCE_MEM,
	131	};
	132
	133	static struct platform_device glantank_flash_device = {
	134	.name = "physmap-flash",
	135	.id = 0,
	136	.dev = {
	137	.platform_data = &glantank_flash_data,
	138	},
	139	.num_resources = 1,
	140	.resource = &glantank_flash_resource,
	141	};
	142
	143	static struct plat_serial8250_port glantank_serial_port[] = {
	144	{
	145	.mapbase = GLANTANK_UART,
	146	.membase = (char *)GLANTANK_UART,
	147	.irq = IRQ_IOP32X_XINT3,
	148	.flags = UPF_SKIP_TEST,
	149	.iotype = UPIO_MEM,
	150	.regshift = 0,
	151	.uartclk = 1843200,
	152	},
	153	{ },
	154	};
	155
	156	static struct resource glantank_uart_resource = {
	157	.start = GLANTANK_UART,
	158	.end = GLANTANK_UART + 7,
	159	.flags = IORESOURCE_MEM,
	160	};
	161
	162	static struct platform_device glantank_serial_device = {
	163	.name = "serial8250",
	164	.id = PLAT8250_DEV_PLATFORM,
	165	.dev = {
	166	.platform_data = glantank_serial_port,
	167	},
	168	.num_resources = 1,
	169	.resource = &glantank_uart_resource,
	170	};
	171
4e7ffb6a GF	172	static struct f75375s_platform_data glantank_f75375s = {
	173	.pwm = { 255, 255 },
	174	.pwm_enable = { 0, 0 },
	175	};
	176
bd7b8858 MM	177	static struct i2c_board_info __initdata glantank_i2c_devices[] = {
	178	{
	179	I2C_BOARD_INFO("rtc-rs5c372", 0x32),
	180	.type = "rs5c372a",
	181	},
4e7ffb6a GF	182	{
	183	I2C_BOARD_INFO("f75375", 0x2e),
	184	.type = "f75375",
	185	.platform_data = &glantank_f75375s,
	186	},
bd7b8858 MM	187	};
bd7b8858 MM	188
0c92e830 LB	189	static void glantank_power_off(void)
	190	{
	191	__raw_writeb(0x01, 0xfe8d0004);
	192
	193	while (1)
	194	;
	195	}
	196
	197	static void __init glantank_init_machine(void)
	198	{
	199	platform_device_register(&iop3xx_i2c0_device);
	200	platform_device_register(&iop3xx_i2c1_device);
	201	platform_device_register(&glantank_flash_device);
	202	platform_device_register(&glantank_serial_device);
2492c845 DW	203	platform_device_register(&iop3xx_dma_0_channel);
2492c845 DW	204	platform_device_register(&iop3xx_dma_1_channel);
0c92e830	205
bd7b8858 MM	206	i2c_register_board_info(0, glantank_i2c_devices,
	207	ARRAY_SIZE(glantank_i2c_devices));
	208
0c92e830 LB	209	pm_power_off = glantank_power_off;
	210	}
	211
	212	MACHINE_START(GLANTANK, "GLAN Tank")
	213	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
	214	.phys_io = GLANTANK_UART,
	215	.io_pg_offst = ((GLANTANK_UART) >> 18) & 0xfffc,
	216	.boot_params = 0xa0000100,
	217	.map_io = glantank_map_io,
	218	.init_irq = iop32x_init_irq,
	219	.timer = &glantank_timer,
	220	.init_machine = glantank_init_machine,
	221	MACHINE_END