2c4d13570d
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/*
|
|
* Registration of WRPPMC UART platform device.
|
|
*
|
|
* Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
#include <linux/errno.h>
|
|
#include <linux/init.h>
|
|
#include <linux/ioport.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/serial_8250.h>
|
|
|
|
#include <asm/gt64120.h>
|
|
|
|
static struct resource wrppmc_uart_resource[] __initdata = {
|
|
{
|
|
.start = WRPPMC_UART16550_BASE,
|
|
.end = WRPPMC_UART16550_BASE + 7,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = WRPPMC_UART16550_IRQ,
|
|
.end = WRPPMC_UART16550_IRQ,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct plat_serial8250_port wrppmc_serial8250_port[] = {
|
|
{
|
|
.irq = WRPPMC_UART16550_IRQ,
|
|
.uartclk = WRPPMC_UART16550_CLOCK,
|
|
.iotype = UPIO_MEM,
|
|
.flags = UPF_IOREMAP | UPF_SKIP_TEST,
|
|
.mapbase = WRPPMC_UART16550_BASE,
|
|
},
|
|
{},
|
|
};
|
|
|
|
static __init int wrppmc_uart_add(void)
|
|
{
|
|
struct platform_device *pdev;
|
|
int retval;
|
|
|
|
pdev = platform_device_alloc("serial8250", -1);
|
|
if (!pdev)
|
|
return -ENOMEM;
|
|
|
|
pdev->id = PLAT8250_DEV_PLATFORM;
|
|
pdev->dev.platform_data = wrppmc_serial8250_port;
|
|
|
|
retval = platform_device_add_resources(pdev, wrppmc_uart_resource,
|
|
ARRAY_SIZE(wrppmc_uart_resource));
|
|
if (retval)
|
|
goto err_free_device;
|
|
|
|
retval = platform_device_add(pdev);
|
|
if (retval)
|
|
goto err_free_device;
|
|
|
|
return 0;
|
|
|
|
err_free_device:
|
|
platform_device_put(pdev);
|
|
|
|
return retval;
|
|
}
|
|
device_initcall(wrppmc_uart_add);
|