[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/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 = {
 /* virtual     physical      length      type */

 /* mem mapped registers */
 { IOP331_VIRT_MEM_BASE,  IOP331_PHYS_MEM_BASE,   0x00002000,  MT_DEVICE },

 /* PCI IO space */
 { IOP331_PCI_LOWER_IO_VA,  IOP331_PCI_LOWER_IO_PA,   IOP331_PCI_IO_WINDOW_SIZE,  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.")
    BOOT_MEM(PHYS_OFFSET, 0xfefff000, 0xfffff000) // virtual, physical
    //BOOT_MEM(PHYS_OFFSET, IOP331_UART0_VIRT, IOP331_UART0_PHYS)
    MAPIO(iq80331_map_io)
    INITIRQ(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.")
    BOOT_MEM(PHYS_OFFSET, 0xfefff000, 0xfffff000) // virtual, physical
    //BOOT_MEM(PHYS_OFFSET, IOP331_UART0_VIRT, IOP331_UART0_PHYS)
    MAPIO(iq80332_map_io)
    INITIRQ(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>
	18	#include <linux/device.h>
	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 = {
	40	/* virtual physical length type */
	41
	42	/* mem mapped registers */
	43	{ IOP331_VIRT_MEM_BASE, IOP331_PHYS_MEM_BASE, 0x00002000, MT_DEVICE },
	44
	45	/* PCI IO space */
	46	{ IOP331_PCI_LOWER_IO_VA, IOP331_PCI_LOWER_IO_PA, IOP331_PCI_IO_WINDOW_SIZE, MT_DEVICE }
	47	};
	48
	49	static struct uart_port iop331_serial_ports[] = {
	50	{
	51	.membase = (char*)(IOP331_UART0_VIRT),
	52	.mapbase = (IOP331_UART0_PHYS),
	53	.irq = IRQ_IOP331_UART0,
	54	.flags = UPF_SKIP_TEST,
	55	.iotype = UPIO_MEM,
	56	.regshift = 2,
	57	.uartclk = IOP331_UART_XTAL,
	58	.line = 0,
	59	.type = PORT_XSCALE,
	60	.fifosize = 32
	61	} , {
	62	.membase = (char*)(IOP331_UART1_VIRT),
	63	.mapbase = (IOP331_UART1_PHYS),
	64	.irq = IRQ_IOP331_UART1,
65	.flags = UPF_SKIP_TEST,
66	.iotype = UPIO_MEM,
67	.regshift = 2,
68	.uartclk = IOP331_UART_XTAL,
69	.line = 1,
70	.type = PORT_XSCALE,
71	.fifosize = 32
72	}
73	};
74
75	static struct resource iop33x_i2c_0_resources[] = {
76	[0] = {
77	.start = 0xfffff680,
78	.end = 0xfffff698,
79	.flags = IORESOURCE_MEM,
80	},
81	[1] = {
82	.start = IRQ_IOP331_I2C_0,
83	.end = IRQ_IOP331_I2C_0,
84	.flags = IORESOURCE_IRQ
85	}
86	};
87
88	static struct resource iop33x_i2c_1_resources[] = {
89	[0] = {
90	.start = 0xfffff6a0,
91	.end = 0xfffff6b8,
92	.flags = IORESOURCE_MEM,
93	},
94	[1] = {
95	.start = IRQ_IOP331_I2C_1,
96	.end = IRQ_IOP331_I2C_1,
97	.flags = IORESOURCE_IRQ
98	}
99	};
100
101	static struct platform_device iop33x_i2c_0_controller = {
102	.name = "IOP3xx-I2C",
103	.id = 0,
104	.num_resources = 2,
105	.resource = iop33x_i2c_0_resources
106	};
107
108	static struct platform_device iop33x_i2c_1_controller = {
109	.name = "IOP3xx-I2C",
110	.id = 1,
111	.num_resources = 2,
112	.resource = iop33x_i2c_1_resources
113	};
114
115	static struct platform_device *iop33x_devices[] __initdata = {
116	&iop33x_i2c_0_controller,
117	&iop33x_i2c_1_controller
118	};
119
120	void __init iop33x_init(void)
121	{
122	if(iop_is_331())
123	{
124	platform_add_devices(iop33x_devices,
125	ARRAY_SIZE(iop33x_devices));
126	}
127	}
128
129	void __init iop331_map_io(void)
130	{
131	iotable_init(iop331_std_desc, ARRAY_SIZE(iop331_std_desc));
132	early_serial_setup(&iop331_serial_ports[0]);
133	early_serial_setup(&iop331_serial_ports[1]);
134	}
135
136	#ifdef CONFIG_ARCH_IOP331
137	extern void iop331_init_irq(void);
138	extern struct sys_timer iop331_timer;
139	#endif
140
141	#ifdef CONFIG_ARCH_IQ80331
142	extern void iq80331_map_io(void);
143	#endif
144
145	#ifdef CONFIG_MACH_IQ80332
146	extern void iq80332_map_io(void);
147	#endif
148
149	#if defined(CONFIG_ARCH_IQ80331)
150	MACHINE_START(IQ80331, "Intel IQ80331")
151	MAINTAINER("Intel Corp.")
152	BOOT_MEM(PHYS_OFFSET, 0xfefff000, 0xfffff000) // virtual, physical
153	//BOOT_MEM(PHYS_OFFSET, IOP331_UART0_VIRT, IOP331_UART0_PHYS)
154	MAPIO(iq80331_map_io)
155	INITIRQ(iop331_init_irq)
156	.timer = &iop331_timer,
157	BOOT_PARAMS(0x0100)
158	INIT_MACHINE(iop33x_init)
159	MACHINE_END
160
161	#elif defined(CONFIG_MACH_IQ80332)
162	MACHINE_START(IQ80332, "Intel IQ80332")
163	MAINTAINER("Intel Corp.")
164	BOOT_MEM(PHYS_OFFSET, 0xfefff000, 0xfffff000) // virtual, physical
165	//BOOT_MEM(PHYS_OFFSET, IOP331_UART0_VIRT, IOP331_UART0_PHYS)
166	MAPIO(iq80332_map_io)
167	INITIRQ(iop331_init_irq)
168	.timer = &iop331_timer,
169	BOOT_PARAMS(0x0100)
170	INIT_MACHINE(iop33x_init)
171	MACHINE_END
172
173	#else
174	#error No machine descriptor defined for this IOP3XX implementation
175	#endif
176
177