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/arch/mips/bcm47xx/serial.c

https://bitbucket.org/thekraven/iscream_thunderc-2.6.35
C | 52 lines | 36 code | 9 blank | 7 comment | 1 complexity | aeea4c425b22e4148ceba7e35fea4fda MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
 1/*
 2 * This file is subject to the terms and conditions of the GNU General Public
 3 * License.  See the file "COPYING" in the main directory of this archive
 4 * for more details.
 5 *
 6 * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
 7 */
 8
 9#include <linux/module.h>
10#include <linux/init.h>
11#include <linux/serial.h>
12#include <linux/serial_8250.h>
13#include <linux/ssb/ssb.h>
14#include <bcm47xx.h>
15
16static struct plat_serial8250_port uart8250_data[5];
17
18static struct platform_device uart8250_device = {
19	.name			= "serial8250",
20	.id			= PLAT8250_DEV_PLATFORM,
21	.dev			= {
22		.platform_data	= uart8250_data,
23	},
24};
25
26static int __init uart8250_init(void)
27{
28	int i;
29	struct ssb_mipscore *mcore = &(ssb_bcm47xx.mipscore);
30
31	memset(&uart8250_data, 0,  sizeof(uart8250_data));
32
33	for (i = 0; i < mcore->nr_serial_ports; i++) {
34		struct plat_serial8250_port *p = &(uart8250_data[i]);
35		struct ssb_serial_port *ssb_port = &(mcore->serial_ports[i]);
36
37		p->mapbase = (unsigned int) ssb_port->regs;
38		p->membase = (void *) ssb_port->regs;
39		p->irq = ssb_port->irq + 2;
40		p->uartclk = ssb_port->baud_base;
41		p->regshift = ssb_port->reg_shift;
42		p->iotype = UPIO_MEM;
43		p->flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
44	}
45	return platform_device_register(&uart8250_device);
46}
47
48module_init(uart8250_init);
49
50MODULE_AUTHOR("Aurelien Jarno <aurelien@aurel32.net>");
51MODULE_LICENSE("GPL");
52MODULE_DESCRIPTION("8250 UART probe driver for the BCM47XX platforms");