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/*
* linux/arch/arm/mach-iop3xx/iop321-setup.c
*
* Author: Nicolas Pitre <nico@cam.org>
* Copyright (C) 2001 MontaVista Software, Inc.
* 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/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 IOP321_UART_XTAL 1843200
/*
* Standard IO mapping for all IOP321 based systems
*/
static struct map_desc iop321_std_desc[] __initdata = {
{ /* mem mapped registers */
.virtual = IOP321_VIRT_MEM_BASE,
.pfn = __phys_to_pfn(IOP321_PHYS_MEM_BASE),
.length = 0x00002000,
.type = MT_DEVICE
}, { /* PCI IO space */
.virtual = IOP321_PCI_LOWER_IO_VA,
.pfn = __phys_to_pfn(IOP321_PCI_LOWER_IO_PA),
.length = IOP321_PCI_IO_WINDOW_SIZE,
.type = MT_DEVICE
}
};
#ifdef CONFIG_ARCH_IQ80321
#define UARTBASE IQ80321_UART
#define IRQ_UART IRQ_IQ80321_UART
#endif
#ifdef CONFIG_ARCH_IQ31244
#define UARTBASE IQ31244_UART
#define IRQ_UART IRQ_IQ31244_UART
#endif
static struct uart_port iop321_serial_ports[] = {
{
.membase = (char*)(UARTBASE),
.mapbase = (UARTBASE),
.irq = IRQ_UART,
.flags = UPF_SKIP_TEST,
.iotype = UPIO_MEM,
.regshift = 0,
.uartclk = IOP321_UART_XTAL,
.line = 0,
.type = PORT_16550A,
.fifosize = 16
}
};
static struct resource iop32x_i2c_0_resources[] = {
[0] = {
.start = 0xfffff680,
.end = 0xfffff698,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_IOP321_I2C_0,
.end = IRQ_IOP321_I2C_0,
.flags = IORESOURCE_IRQ
}
};
static struct resource iop32x_i2c_1_resources[] = {
[0] = {
.start = 0xfffff6a0,
.end = 0xfffff6b8,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_IOP321_I2C_1,
.end = IRQ_IOP321_I2C_1,
.flags = IORESOURCE_IRQ
}
};
static struct platform_device iop32x_i2c_0_controller = {
.name = "IOP3xx-I2C",
.id = 0,
.num_resources = 2,
.resource = iop32x_i2c_0_resources
};
static struct platform_device iop32x_i2c_1_controller = {
.name = "IOP3xx-I2C",
.id = 1,
.num_resources = 2,
.resource = iop32x_i2c_1_resources
};
static struct platform_device *iop32x_devices[] __initdata = {
&iop32x_i2c_0_controller,
&iop32x_i2c_1_controller
};
void __init iop32x_init(void)
{
if(iop_is_321())
{
platform_add_devices(iop32x_devices,
ARRAY_SIZE(iop32x_devices));
}
}
void __init iop321_map_io(void)
{
iotable_init(iop321_std_desc, ARRAY_SIZE(iop321_std_desc));
early_serial_setup(&iop321_serial_ports[0]);
}
#ifdef CONFIG_ARCH_IQ80321
extern void iq80321_map_io(void);
extern struct sys_timer iop321_timer;
extern void iop321_init_time(void);
#endif
#ifdef CONFIG_ARCH_IQ31244
extern void iq31244_map_io(void);
extern struct sys_timer iop321_timer;
extern void iop321_init_time(void);
#endif
#if defined(CONFIG_ARCH_IQ80321)
MACHINE_START(IQ80321, "Intel IQ80321")
/* Maintainer: Intel Corporation */
.phys_io = IQ80321_UART,
.io_pg_offst = ((IQ80321_UART) >> 18) & 0xfffc,
.map_io = iq80321_map_io,
.init_irq = iop321_init_irq,
.timer = &iop321_timer,
.boot_params = 0xa0000100,
.init_machine = iop32x_init,
MACHINE_END
#elif defined(CONFIG_ARCH_IQ31244)
MACHINE_START(IQ31244, "Intel IQ31244")
/* Maintainer: Intel Corp. */
.phys_io = IQ31244_UART,
.io_pg_offst = ((IQ31244_UART) >> 18) & 0xfffc,
.map_io = iq31244_map_io,
.init_irq = iop321_init_irq,
.timer = &iop321_timer,
.boot_params = 0xa0000100,
.init_machine = iop32x_init,
MACHINE_END
#else
#error No machine descriptor defined for this IOP3XX implementation
#endif
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