[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/config.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_core.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 uart_port iop331_serial_ports[] = {
	{
		.membase	= (char*)(IOP331_UART0_VIRT),
		.mapbase	= (IOP331_UART0_PHYS),
		.irq		= IRQ_IOP331_UART0,
		.flags		= UPF_SKIP_TEST,
		.iotype		= UPIO_MEM,
		.regshift	= 2,
		.uartclk	= IOP331_UART_XTAL,
		.line		= 0,
		.type		= PORT_XSCALE,
		.fifosize	= 32
	} , {
		.membase	= (char*)(IOP331_UART1_VIRT),
		.mapbase	= (IOP331_UART1_PHYS),
		.irq		= IRQ_IOP331_UART1,
		.flags		= UPF_SKIP_TEST,
		.iotype		= UPIO_MEM,
		.regshift	= 2,
		.uartclk	= IOP331_UART_XTAL,
		.line		= 1,
		.type		= PORT_XSCALE,
		.fifosize	= 32
	}
};

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_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));
	early_serial_setup(&iop331_serial_ports[0]);
	early_serial_setup(&iop331_serial_ports[1]);
}

#ifdef CONFIG_ARCH_IOP331
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_ram	= PHYS_OFFSET,
	.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_ram	= PHYS_OFFSET,
	.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>
	14	#include <linux/config.h>
	15	#include <linux/init.h>
	16	#include <linux/major.h>
	17	#include <linux/fs.h>
d052d1be	18	#include <linux/platform_device.h>
1da177e4 LT	19	#include <linux/serial.h>
	20	#include <linux/tty.h>
	21	#include <linux/serial_core.h>
	22
	23	#include <asm/io.h>
	24	#include <asm/pgtable.h>
	25	#include <asm/page.h>
	26	#include <asm/mach/map.h>
	27	#include <asm/setup.h>
	28	#include <asm/system.h>
	29	#include <asm/memory.h>
	30	#include <asm/hardware.h>
	31	#include <asm/mach-types.h>
	32	#include <asm/mach/arch.h>
	33
	34	#define IOP331_UART_XTAL 33334000
	35
	36	/*
	37	* Standard IO mapping for all IOP331 based systems
	38	*/
	39	static struct map_desc iop331_std_desc[] __initdata = {
4835e64a DS	40	{ /* mem mapped registers */
	41	.virtual = IOP331_VIRT_MEM_BASE,
	42	.pfn = __phys_to_pfn(IOP331_PHYS_MEM_BASE),
	43	.length = 0x00002000,
	44	.type = MT_DEVICE
	45	}, { /* PCI IO space */
	46	.virtual = IOP331_PCI_LOWER_IO_VA,
	47	.pfn = __phys_to_pfn(IOP331_PCI_LOWER_IO_PA),
	48	.length = IOP331_PCI_IO_WINDOW_SIZE,
	49	.type = MT_DEVICE
	50	}
1da177e4 LT	51	};
	52
	53	static struct uart_port iop331_serial_ports[] = {
	54	{
	55	.membase = (char*)(IOP331_UART0_VIRT),
	56	.mapbase = (IOP331_UART0_PHYS),
	57	.irq = IRQ_IOP331_UART0,
	58	.flags = UPF_SKIP_TEST,
	59	.iotype = UPIO_MEM,
	60	.regshift = 2,
	61	.uartclk = IOP331_UART_XTAL,
	62	.line = 0,
	63	.type = PORT_XSCALE,
	64	.fifosize = 32
	65	} , {
	66	.membase = (char*)(IOP331_UART1_VIRT),
	67	.mapbase = (IOP331_UART1_PHYS),
	68	.irq = IRQ_IOP331_UART1,
	69	.flags = UPF_SKIP_TEST,
	70	.iotype = UPIO_MEM,
	71	.regshift = 2,
	72	.uartclk = IOP331_UART_XTAL,
	73	.line = 1,
	74	.type = PORT_XSCALE,
	75	.fifosize = 32
	76	}
	77	};
	78
	79	static struct resource iop33x_i2c_0_resources[] = {
	80	[0] = {
	81	.start = 0xfffff680,
	82	.end = 0xfffff698,
	83	.flags = IORESOURCE_MEM,
	84	},
	85	[1] = {
	86	.start = IRQ_IOP331_I2C_0,
	87	.end = IRQ_IOP331_I2C_0,
	88	.flags = IORESOURCE_IRQ
	89	}
	90	};
	91
	92	static struct resource iop33x_i2c_1_resources[] = {
	93	[0] = {
	94	.start = 0xfffff6a0,
	95	.end = 0xfffff6b8,
	96	.flags = IORESOURCE_MEM,
	97	},
	98	[1] = {
	99	.start = IRQ_IOP331_I2C_1,
	100	.end = IRQ_IOP331_I2C_1,
	101	.flags = IORESOURCE_IRQ
	102	}
	103	};
	104
	105	static struct platform_device iop33x_i2c_0_controller = {
	106	.name = "IOP3xx-I2C",
	107	.id = 0,
	108	.num_resources = 2,
	109	.resource = iop33x_i2c_0_resources
	110	};
	111
	112	static struct platform_device iop33x_i2c_1_controller = {
	113	.name = "IOP3xx-I2C",
	114	.id = 1,
115	.num_resources = 2,
116	.resource = iop33x_i2c_1_resources
117	};
118
119	static struct platform_device *iop33x_devices[] __initdata = {
120	&iop33x_i2c_0_controller,
121	&iop33x_i2c_1_controller
122	};
123
124	void __init iop33x_init(void)
125	{
126	if(iop_is_331())
127	{
128	platform_add_devices(iop33x_devices,
129	ARRAY_SIZE(iop33x_devices));
130	}
131	}
132
133	void __init iop331_map_io(void)
134	{
135	iotable_init(iop331_std_desc, ARRAY_SIZE(iop331_std_desc));
136	early_serial_setup(&iop331_serial_ports[0]);
137	early_serial_setup(&iop331_serial_ports[1]);
138	}
139
140	#ifdef CONFIG_ARCH_IOP331
141	extern void iop331_init_irq(void);
142	extern struct sys_timer iop331_timer;
143	#endif
144
145	#ifdef CONFIG_ARCH_IQ80331
146	extern void iq80331_map_io(void);
147	#endif
148
149	#ifdef CONFIG_MACH_IQ80332
150	extern void iq80332_map_io(void);
151	#endif
152
153	#if defined(CONFIG_ARCH_IQ80331)
154	MACHINE_START(IQ80331, "Intel IQ80331")
e9dea0c6 RK	155	/* Maintainer: Intel Corp. */
	156	.phys_ram = PHYS_OFFSET,
	157	.phys_io = 0xfefff000,
	158	.io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical
	159	.map_io = iq80331_map_io,
	160	.init_irq = iop331_init_irq,
1da177e4	161	.timer = &iop331_timer,
e9dea0c6 RK	162	.boot_params = 0x0100,
e9dea0c6 RK	163	.init_machine = iop33x_init,
1da177e4 LT	164	MACHINE_END
	165
	166	#elif defined(CONFIG_MACH_IQ80332)
	167	MACHINE_START(IQ80332, "Intel IQ80332")
e9dea0c6 RK	168	/* Maintainer: Intel Corp. */
	169	.phys_ram = PHYS_OFFSET,
	170	.phys_io = 0xfefff000,
	171	.io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical
	172	.map_io = iq80332_map_io,
	173	.init_irq = iop331_init_irq,
1da177e4	174	.timer = &iop331_timer,
e9dea0c6 RK	175	.boot_params = 0x0100,
e9dea0c6 RK	176	.init_machine = iop33x_init,
1da177e4 LT	177	MACHINE_END
	178
	179	#else
	180	#error No machine descriptor defined for this IOP3XX implementation
	181	#endif
	182
	183