PageRenderTime 20ms CodeModel.GetById 14ms app.highlight 4ms RepoModel.GetById 1ms app.codeStats 1ms

/arch/arm/mach-footbridge/isa.c

https://github.com/AICP/kernel_google_msm
C | 101 lines | 80 code | 11 blank | 10 comment | 4 complexity | 57018860b9d124820e96830a143fee08 MD5 | raw file
  1/*
  2 *  linux/arch/arm/mach-footbridge/isa.c
  3 *
  4 *  Copyright (C) 2004 Russell King.
  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 version 2 as
  8 * published by the Free Software Foundation.
  9 */
 10#include <linux/init.h>
 11#include <linux/serial_8250.h>
 12
 13#include <asm/irq.h>
 14#include <asm/hardware/dec21285.h>
 15
 16#include "common.h"
 17
 18static struct resource rtc_resources[] = {
 19	[0] = {
 20		.start	= 0x70,
 21		.end	= 0x73,
 22		.flags	= IORESOURCE_IO,
 23	},
 24	[1] = {
 25		.start	= IRQ_ISA_RTC_ALARM,
 26		.end	= IRQ_ISA_RTC_ALARM,
 27		.flags	= IORESOURCE_IRQ,
 28	}
 29};
 30
 31static struct platform_device rtc_device = {
 32	.name		= "rtc_cmos",
 33	.id		= -1,
 34	.resource	= rtc_resources,
 35	.num_resources	= ARRAY_SIZE(rtc_resources),
 36};
 37
 38static struct resource serial_resources[] = {
 39	[0] = {
 40		.start	= 0x3f8,
 41		.end	= 0x3ff,
 42		.flags	= IORESOURCE_IO,
 43	},
 44	[1] = {
 45		.start	= 0x2f8,
 46		.end	= 0x2ff,
 47		.flags	= IORESOURCE_IO,
 48	},
 49};
 50
 51static struct plat_serial8250_port serial_platform_data[] = {
 52	{
 53		.iobase		= 0x3f8,
 54		.irq		= IRQ_ISA_UART,
 55		.uartclk	= 1843200,
 56		.regshift	= 0,
 57		.iotype		= UPIO_PORT,
 58		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 59	},
 60	{
 61		.iobase		= 0x2f8,
 62		.irq		= IRQ_ISA_UART2,
 63		.uartclk	= 1843200,
 64		.regshift	= 0,
 65		.iotype		= UPIO_PORT,
 66		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 67	},
 68	{ },
 69};
 70
 71static struct platform_device serial_device = {
 72	.name			= "serial8250",
 73	.id			= PLAT8250_DEV_PLATFORM,
 74	.dev			= {
 75		.platform_data	= serial_platform_data,
 76	},
 77	.resource		= serial_resources,
 78	.num_resources		= ARRAY_SIZE(serial_resources),
 79};
 80
 81static int __init footbridge_isa_init(void)
 82{
 83	int err = 0;
 84
 85	if (!footbridge_cfn_mode())
 86		return 0;
 87
 88	/* Personal server doesn't have RTC */
 89	if (!machine_is_personal_server()) {
 90		isa_rtc_init();
 91		err = platform_device_register(&rtc_device);
 92		if (err)
 93			printk(KERN_ERR "Unable to register RTC device: %d\n", err);
 94	}
 95	err = platform_device_register(&serial_device);
 96	if (err)
 97		printk(KERN_ERR "Unable to register serial device: %d\n", err);
 98	return 0;
 99}
100
101arch_initcall(footbridge_isa_init);