uart.c
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/*
* arch/arm/mach-iop33x/uart.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 <linux/io.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/mach/map.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <mach/hardware.h>
#include <asm/hardware/iop3xx.h>
#include <asm/mach/arch.h>
#define IOP33X_UART_XTAL 33334000
static struct plat_serial8250_port iop33x_uart0_data[] = {
{
.membase = (char *)IOP33X_UART0_VIRT,
.mapbase = IOP33X_UART0_PHYS,
.irq = IRQ_IOP33X_UART0,
.uartclk = IOP33X_UART_XTAL,
.regshift = 2,
.iotype = UPIO_MEM,
.flags = UPF_SKIP_TEST,
},
{ },
};
static struct resource iop33x_uart0_resources[] = {
[0] = {
.start = IOP33X_UART0_PHYS,
.end = IOP33X_UART0_PHYS + 0x3f,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_IOP33X_UART0,
.end = IRQ_IOP33X_UART0,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device iop33x_uart0_device = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = iop33x_uart0_data,
},
.num_resources = 2,
.resource = iop33x_uart0_resources,
};
static struct resource iop33x_uart1_resources[] = {
[0] = {
.start = IOP33X_UART1_PHYS,
.end = IOP33X_UART1_PHYS + 0x3f,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_IOP33X_UART1,
.end = IRQ_IOP33X_UART1,
.flags = IORESOURCE_IRQ,
},
};
static struct plat_serial8250_port iop33x_uart1_data[] = {
{
.membase = (char *)IOP33X_UART1_VIRT,
.mapbase = IOP33X_UART1_PHYS,
.irq = IRQ_IOP33X_UART1,
.uartclk = IOP33X_UART_XTAL,
.regshift = 2,
.iotype = UPIO_MEM,
.flags = UPF_SKIP_TEST,
},
{ },
};
struct platform_device iop33x_uart1_device = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM1,
.dev = {
.platform_data = iop33x_uart1_data,
},
.num_resources = 2,
.resource = iop33x_uart1_resources,
};