1/*
2 *  Registration of WRPPMC UART platform device.
3 *
4 *  Copyright (C) 2007  Yoichi Yuasa <yuasa@linux-mips.org>
5 *
6 *  This program is free software; you can redistribute it and/or modify
7 *  it under the terms of the GNU General Public License as published by
8 *  the Free Software Foundation; either version 2 of the License, or
9 *  (at your option) any later version.
10 *
11 *  This program is distributed in the hope that it will be useful,
12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 *  GNU General Public License for more details.
15 *
16 *  You should have received a copy of the GNU General Public License
17 *  along with this program; if not, write to the Free Software
18 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
19 */
20#include <linux/errno.h>
21#include <linux/init.h>
22#include <linux/ioport.h>
23#include <linux/platform_device.h>
24#include <linux/serial_8250.h>
25
26#include <asm/gt64120.h>
27
28static struct resource wrppmc_uart_resource[] __initdata = {
29	{
30		.start	= WRPPMC_UART16550_BASE,
31		.end	= WRPPMC_UART16550_BASE + 7,
32		.flags	= IORESOURCE_MEM,
33	},
34	{
35		.start	= WRPPMC_UART16550_IRQ,
36		.end	= WRPPMC_UART16550_IRQ,
37		.flags	= IORESOURCE_IRQ,
38	},
39};
40
41static struct plat_serial8250_port wrppmc_serial8250_port[] = {
42	{
43		.irq		= WRPPMC_UART16550_IRQ,
44		.uartclk	= WRPPMC_UART16550_CLOCK,
45		.iotype		= UPIO_MEM,
46		.flags		= UPF_IOREMAP | UPF_SKIP_TEST,
47		.mapbase	= WRPPMC_UART16550_BASE,
48	},
49	{},
50};
51
52static __init int wrppmc_uart_add(void)
53{
54	struct platform_device *pdev;
55	int retval;
56
57	pdev = platform_device_alloc("serial8250", -1);
58	if (!pdev)
59		return -ENOMEM;
60
61	pdev->id = PLAT8250_DEV_PLATFORM;
62	pdev->dev.platform_data = wrppmc_serial8250_port;
63
64	retval = platform_device_add_resources(pdev, wrppmc_uart_resource,
65					ARRAY_SIZE(wrppmc_uart_resource));
66	if (retval)
67		goto err_free_device;
68
69	retval = platform_device_add(pdev);
70	if (retval)
71		goto err_free_device;
72
73	return 0;
74
75err_free_device:
76	platform_device_put(pdev);
77
78	return retval;
79}
80device_initcall(wrppmc_uart_add);
81