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/*
* linux/arch/arm/mach-iop33x/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
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