[deliverable/linux.git] / arch / arm / mach-iop3xx / iop331-setup.c

/*
 * linux/arch/arm/mach-iop3xx/iop331-setup.c
 *
 * Author: Dave Jiang (dave.jiang@intel.com)
 * Copyright (C) 2004 Intel Corporation.
 *
 * 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/mm.h>
#include <linux/init.h>
#include <linux/major.h>
#include <linux/fs.h>
#include <linux/platform_device.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/serial_8250.h>

#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/mach/map.h>
#include <asm/setup.h>
#include <asm/system.h>
#include <asm/memory.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#define IOP331_UART_XTAL 33334000

/*
 * Standard IO mapping for all IOP331 based systems
 */
static struct map_desc iop331_std_desc[] __initdata = {
	{	/* mem mapped registers */
		.virtual	= IOP331_VIRT_MEM_BASE,
		.pfn		= __phys_to_pfn(IOP331_PHYS_MEM_BASE),
		.length		= 0x00002000,
		.type		= MT_DEVICE
	}, {	/* PCI IO space */
		.virtual	= IOP331_PCI_LOWER_IO_VA,
		.pfn		= __phys_to_pfn(IOP331_PCI_LOWER_IO_PA),
		.length		= IOP331_PCI_IO_WINDOW_SIZE,
		.type		= MT_DEVICE
	}
};

static struct resource iop33x_uart0_resources[] = {
	[0] = {
		.start = IOP331_UART0_PHYS,
		.end = IOP331_UART0_PHYS + 0x3f,
		.flags = IORESOURCE_MEM,
	},
	[1] = {
		.start = IRQ_IOP331_UART0,
		.end = IRQ_IOP331_UART0,
		.flags = IORESOURCE_IRQ
	}
};

static struct resource iop33x_uart1_resources[] = {
	[0] = {
		.start = IOP331_UART1_PHYS,
		.end = IOP331_UART1_PHYS + 0x3f,
		.flags = IORESOURCE_MEM,
	},
	[1] = {
		.start = IRQ_IOP331_UART1,
		.end = IRQ_IOP331_UART1,
		.flags = IORESOURCE_IRQ
	}
};

static struct plat_serial8250_port iop33x_uart0_data[] = {
	{
       .membase     = (char*)(IOP331_UART0_VIRT),
       .mapbase     = (IOP331_UART0_PHYS),
       .irq         = IRQ_IOP331_UART0,
       .uartclk     = IOP331_UART_XTAL,
       .regshift    = 2,
       .iotype      = UPIO_MEM,
       .flags       = UPF_SKIP_TEST,
	},
	{  },
};

static struct plat_serial8250_port iop33x_uart1_data[] = {
	{
       .membase     = (char*)(IOP331_UART1_VIRT),
       .mapbase     = (IOP331_UART1_PHYS),
       .irq         = IRQ_IOP331_UART1,
       .uartclk     = IOP331_UART_XTAL,
       .regshift    = 2,
       .iotype      = UPIO_MEM,
       .flags       = UPF_SKIP_TEST,
	},
	{  },
};

static struct platform_device iop33x_uart0 = {
       .name = "serial8250",
       .id = PLAT8250_DEV_PLATFORM,
       .dev.platform_data = iop33x_uart0_data,
       .num_resources = 2,
       .resource = iop33x_uart0_resources,
};

static struct platform_device iop33x_uart1 = {
       .name = "serial8250",
       .id = PLAT8250_DEV_PLATFORM1,
       .dev.platform_data = iop33x_uart1_data,
       .num_resources = 2,
       .resource = iop33x_uart1_resources,
};

static struct resource iop33x_i2c_0_resources[] = {
	[0] = {
		.start = 0xfffff680,
		.end = 0xfffff698,
		.flags = IORESOURCE_MEM,
	},
	[1] = {
		.start = IRQ_IOP331_I2C_0,
		.end = IRQ_IOP331_I2C_0,
		.flags = IORESOURCE_IRQ
	}
};

static struct resource iop33x_i2c_1_resources[] = {
	[0] = {
		.start = 0xfffff6a0,
		.end = 0xfffff6b8,
		.flags = IORESOURCE_MEM,
	},
	[1] = {
		.start = IRQ_IOP331_I2C_1,
		.end = IRQ_IOP331_I2C_1,
		.flags = IORESOURCE_IRQ
	}
};

static struct platform_device iop33x_i2c_0_controller = {
	.name = "IOP3xx-I2C",
	.id = 0,
	.num_resources = 2,
	.resource = iop33x_i2c_0_resources
};

static struct platform_device iop33x_i2c_1_controller = {
	.name = "IOP3xx-I2C",
	.id = 1,
	.num_resources = 2,
	.resource = iop33x_i2c_1_resources
};

static struct platform_device *iop33x_devices[] __initdata = {
	&iop33x_uart0,
	&iop33x_uart1,
	&iop33x_i2c_0_controller,
	&iop33x_i2c_1_controller
};

void __init iop33x_init(void)
{
	if(iop_is_331())
	{
		platform_add_devices(iop33x_devices,
				ARRAY_SIZE(iop33x_devices));
	}
}

void __init iop331_map_io(void)
{
	iotable_init(iop331_std_desc, ARRAY_SIZE(iop331_std_desc));
}

#ifdef CONFIG_ARCH_IOP33X
extern void iop331_init_irq(void);
extern struct sys_timer iop331_timer;
#endif

#ifdef CONFIG_ARCH_IQ80331
extern void iq80331_map_io(void);
#endif

#ifdef CONFIG_MACH_IQ80332
extern void iq80332_map_io(void);
#endif

#if defined(CONFIG_ARCH_IQ80331)
MACHINE_START(IQ80331, "Intel IQ80331")
	/* Maintainer: Intel Corp. */
	.phys_io	= 0xfefff000,
	.io_pg_offst	= ((0xfffff000) >> 18) & 0xfffc, // virtual, physical
	.map_io		= iq80331_map_io,
	.init_irq	= iop331_init_irq,
	.timer		= &iop331_timer,
	.boot_params	= 0x0100,
	.init_machine	= iop33x_init,
MACHINE_END

#elif defined(CONFIG_MACH_IQ80332)
MACHINE_START(IQ80332, "Intel IQ80332")
	/* Maintainer: Intel Corp. */
	.phys_io	= 0xfefff000,
	.io_pg_offst	= ((0xfffff000) >> 18) & 0xfffc, // virtual, physical
	.map_io		= iq80332_map_io,
	.init_irq	= iop331_init_irq,
	.timer		= &iop331_timer,
	.boot_params	= 0x0100,
	.init_machine	= iop33x_init,
MACHINE_END

#else
#error No machine descriptor defined for this IOP3XX implementation
#endif
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/arch/arm/mach-iop3xx/iop331-setup.c
	3	*
	4	* Author: Dave Jiang (dave.jiang@intel.com)
	5	* Copyright (C) 2004 Intel Corporation.
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License version 2 as
	9	* published by the Free Software Foundation.
	10	*
	11	*/
	12	#include <linux/mm.h>
	13	#include <linux/init.h>
1da177e4 LT	14	#include <linux/major.h>
1da177e4 LT	15	#include <linux/fs.h>
d052d1be	16	#include <linux/platform_device.h>
1da177e4 LT	17	#include <linux/serial.h>
1da177e4 LT	18	#include <linux/tty.h>
2b9ac7c1	19	#include <linux/serial_8250.h>
1da177e4 LT	20
	21	#include <asm/io.h>
	22	#include <asm/pgtable.h>
	23	#include <asm/page.h>
	24	#include <asm/mach/map.h>
	25	#include <asm/setup.h>
	26	#include <asm/system.h>
	27	#include <asm/memory.h>
	28	#include <asm/hardware.h>
	29	#include <asm/mach-types.h>
	30	#include <asm/mach/arch.h>
	31
	32	#define IOP331_UART_XTAL 33334000
	33
	34	/*
	35	* Standard IO mapping for all IOP331 based systems
	36	*/
	37	static struct map_desc iop331_std_desc[] __initdata = {
4835e64a DS	38	{ /* mem mapped registers */
	39	.virtual = IOP331_VIRT_MEM_BASE,
	40	.pfn = __phys_to_pfn(IOP331_PHYS_MEM_BASE),
	41	.length = 0x00002000,
	42	.type = MT_DEVICE
	43	}, { /* PCI IO space */
	44	.virtual = IOP331_PCI_LOWER_IO_VA,
	45	.pfn = __phys_to_pfn(IOP331_PCI_LOWER_IO_PA),
	46	.length = IOP331_PCI_IO_WINDOW_SIZE,
	47	.type = MT_DEVICE
	48	}
1da177e4 LT	49	};
1da177e4 LT	50
2b9ac7c1 DW	51	static struct resource iop33x_uart0_resources[] = {
	52	[0] = {
	53	.start = IOP331_UART0_PHYS,
	54	.end = IOP331_UART0_PHYS + 0x3f,
	55	.flags = IORESOURCE_MEM,
	56	},
	57	[1] = {
	58	.start = IRQ_IOP331_UART0,
	59	.end = IRQ_IOP331_UART0,
	60	.flags = IORESOURCE_IRQ
	61	}
	62	};
	63
	64	static struct resource iop33x_uart1_resources[] = {
	65	[0] = {
	66	.start = IOP331_UART1_PHYS,
	67	.end = IOP331_UART1_PHYS + 0x3f,
	68	.flags = IORESOURCE_MEM,
	69	},
	70	[1] = {
	71	.start = IRQ_IOP331_UART1,
	72	.end = IRQ_IOP331_UART1,
	73	.flags = IORESOURCE_IRQ
1da177e4 LT	74	}
	75	};
	76
2b9ac7c1 DW	77	static struct plat_serial8250_port iop33x_uart0_data[] = {
	78	{
	79	.membase = (char*)(IOP331_UART0_VIRT),
	80	.mapbase = (IOP331_UART0_PHYS),
	81	.irq = IRQ_IOP331_UART0,
	82	.uartclk = IOP331_UART_XTAL,
	83	.regshift = 2,
	84	.iotype = UPIO_MEM,
	85	.flags = UPF_SKIP_TEST,
	86	},
	87	{ },
	88	};
	89
	90	static struct plat_serial8250_port iop33x_uart1_data[] = {
	91	{
	92	.membase = (char*)(IOP331_UART1_VIRT),
	93	.mapbase = (IOP331_UART1_PHYS),
	94	.irq = IRQ_IOP331_UART1,
	95	.uartclk = IOP331_UART_XTAL,
	96	.regshift = 2,
	97	.iotype = UPIO_MEM,
	98	.flags = UPF_SKIP_TEST,
	99	},
	100	{ },
	101	};
	102
	103	static struct platform_device iop33x_uart0 = {
	104	.name = "serial8250",
7d420896	105	.id = PLAT8250_DEV_PLATFORM,
2b9ac7c1 DW	106	.dev.platform_data = iop33x_uart0_data,
	107	.num_resources = 2,
	108	.resource = iop33x_uart0_resources,
	109	};
	110
	111	static struct platform_device iop33x_uart1 = {
	112	.name = "serial8250",
7d420896	113	.id = PLAT8250_DEV_PLATFORM1,
2b9ac7c1 DW	114	.dev.platform_data = iop33x_uart1_data,
	115	.num_resources = 2,
	116	.resource = iop33x_uart1_resources,
	117	};
	118
1da177e4 LT	119	static struct resource iop33x_i2c_0_resources[] = {
	120	[0] = {
	121	.start = 0xfffff680,
	122	.end = 0xfffff698,
	123	.flags = IORESOURCE_MEM,
	124	},
	125	[1] = {
	126	.start = IRQ_IOP331_I2C_0,
	127	.end = IRQ_IOP331_I2C_0,
	128	.flags = IORESOURCE_IRQ
	129	}
	130	};
	131
	132	static struct resource iop33x_i2c_1_resources[] = {
	133	[0] = {
	134	.start = 0xfffff6a0,
	135	.end = 0xfffff6b8,
	136	.flags = IORESOURCE_MEM,
	137	},
	138	[1] = {
	139	.start = IRQ_IOP331_I2C_1,
	140	.end = IRQ_IOP331_I2C_1,
	141	.flags = IORESOURCE_IRQ
	142	}
	143	};
	144
	145	static struct platform_device iop33x_i2c_0_controller = {
	146	.name = "IOP3xx-I2C",
	147	.id = 0,
	148	.num_resources = 2,
	149	.resource = iop33x_i2c_0_resources
	150	};
	151
	152	static struct platform_device iop33x_i2c_1_controller = {
	153	.name = "IOP3xx-I2C",
	154	.id = 1,
	155	.num_resources = 2,
	156	.resource = iop33x_i2c_1_resources
	157	};
	158
	159	static struct platform_device *iop33x_devices[] __initdata = {
2b9ac7c1 DW	160	&iop33x_uart0,
2b9ac7c1 DW	161	&iop33x_uart1,
1da177e4 LT	162	&iop33x_i2c_0_controller,
	163	&iop33x_i2c_1_controller
	164	};
	165
	166	void __init iop33x_init(void)
	167	{
	168	if(iop_is_331())
	169	{
	170	platform_add_devices(iop33x_devices,
	171	ARRAY_SIZE(iop33x_devices));
	172	}
	173	}
	174
	175	void __init iop331_map_io(void)
	176	{
	177	iotable_init(iop331_std_desc, ARRAY_SIZE(iop331_std_desc));
1da177e4 LT	178	}
1da177e4 LT	179
98954df6	180	#ifdef CONFIG_ARCH_IOP33X
1da177e4 LT	181	extern void iop331_init_irq(void);
	182	extern struct sys_timer iop331_timer;
	183	#endif
	184
	185	#ifdef CONFIG_ARCH_IQ80331
	186	extern void iq80331_map_io(void);
	187	#endif
	188
	189	#ifdef CONFIG_MACH_IQ80332
	190	extern void iq80332_map_io(void);
	191	#endif
	192
	193	#if defined(CONFIG_ARCH_IQ80331)
	194	MACHINE_START(IQ80331, "Intel IQ80331")
e9dea0c6	195	/* Maintainer: Intel Corp. */
e9dea0c6 RK	196	.phys_io = 0xfefff000,
	197	.io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical
	198	.map_io = iq80331_map_io,
	199	.init_irq = iop331_init_irq,
1da177e4	200	.timer = &iop331_timer,
e9dea0c6 RK	201	.boot_params = 0x0100,
e9dea0c6 RK	202	.init_machine = iop33x_init,
1da177e4 LT	203	MACHINE_END
	204
	205	#elif defined(CONFIG_MACH_IQ80332)
	206	MACHINE_START(IQ80332, "Intel IQ80332")
e9dea0c6	207	/* Maintainer: Intel Corp. */
e9dea0c6 RK	208	.phys_io = 0xfefff000,
	209	.io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical
	210	.map_io = iq80332_map_io,
	211	.init_irq = iop331_init_irq,
1da177e4	212	.timer = &iop331_timer,
e9dea0c6 RK	213	.boot_params = 0x0100,
e9dea0c6 RK	214	.init_machine = iop33x_init,
1da177e4 LT	215	MACHINE_END
	216
	217	#else
	218	#error No machine descriptor defined for this IOP3XX implementation
	219	#endif
	220
	221