linux-sg2042/arch/mips/mti-sead3/sead3-serial.c

46 lines
1.2 KiB
C

/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/serial_8250.h>
#define UART(base, int) \
{ \
.mapbase = base, \
.irq = int, \
.uartclk = 14745600, \
.iotype = UPIO_MEM32, \
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, \
.regshift = 2, \
}
static struct plat_serial8250_port uart8250_data[] = {
UART(0x1f000900, MIPS_CPU_IRQ_BASE + 4), /* ttyS0 = USB */
UART(0x1f000800, MIPS_CPU_IRQ_BASE + 4), /* ttyS1 = RS232 */
{ },
};
static struct platform_device uart8250_device = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = uart8250_data,
},
};
static int __init uart8250_init(void)
{
return platform_device_register(&uart8250_device);
}
module_init(uart8250_init);
MODULE_AUTHOR("Chris Dearman <chris@mips.com>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("8250 UART probe driver for the SEAD-3 platform");