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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/mips/sgi-ip32/ip32-platform.c
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/*

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 * This file is subject to the terms and conditions of the GNU General Public

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 * License.  See the file "COPYING" in the main directory of this archive

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 * for more details.

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 *

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 * Copyright (C) 2007 Ralf Baechle ([email protected])

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 */

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#include <linux/init.h>

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#include <linux/platform_device.h>

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#include <linux/serial_8250.h>

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#include <linux/rtc/ds1685.h>

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#include <asm/ip32/mace.h>

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#include <asm/ip32/ip32_ints.h>

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extern void ip32_prepare_poweroff(void);

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#define MACEISA_SERIAL1_OFFS   offsetof(struct sgi_mace, isa.serial1)

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#define MACEISA_SERIAL2_OFFS   offsetof(struct sgi_mace, isa.serial2)

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#define MACE_PORT(offset,_irq)						\

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{									\

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	.mapbase	= MACE_BASE + offset,				\

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	.irq		= _irq,						\

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	.uartclk	= 1843200,					\

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	.iotype		= UPIO_MEM,					\

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	.flags		= UPF_SKIP_TEST|UPF_IOREMAP,			\

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	.regshift	= 8,						\

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}

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static struct plat_serial8250_port uart8250_data[] = {

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	MACE_PORT(MACEISA_SERIAL1_OFFS, MACEISA_SERIAL1_IRQ),

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	MACE_PORT(MACEISA_SERIAL2_OFFS, MACEISA_SERIAL2_IRQ),

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	{ },

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};

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static struct platform_device uart8250_device = {

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	.name			= "serial8250",

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	.id			= PLAT8250_DEV_PLATFORM,

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	.dev			= {

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		.platform_data	= uart8250_data,

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	},

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};

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static int __init uart8250_init(void)

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{

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	return platform_device_register(&uart8250_device);

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}

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device_initcall(uart8250_init);

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static __init int meth_devinit(void)

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{

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	struct platform_device *pd;

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	int ret;

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	pd = platform_device_alloc("meth", -1);

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	if (!pd)

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		return -ENOMEM;

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	ret = platform_device_add(pd);

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	if (ret)

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		platform_device_put(pd);

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	return ret;

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}

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device_initcall(meth_devinit);

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static __init int sgio2audio_devinit(void)

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{

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	struct platform_device *pd;

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	int ret;

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	pd = platform_device_alloc("sgio2audio", -1);

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	if (!pd)

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		return -ENOMEM;

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	ret = platform_device_add(pd);

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	if (ret)

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		platform_device_put(pd);

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	return ret;

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}

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device_initcall(sgio2audio_devinit);

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static __init int sgio2btns_devinit(void)

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{

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	return IS_ERR(platform_device_register_simple("sgibtns", -1, NULL, 0));

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}

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device_initcall(sgio2btns_devinit);

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#define MACE_RTC_RES_START (MACE_BASE + offsetof(struct sgi_mace, isa.rtc))

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#define MACE_RTC_RES_END (MACE_RTC_RES_START + 32767)

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static struct resource ip32_rtc_resources[] = {

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	{

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		.start	= MACEISA_RTC_IRQ,

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		.end	= MACEISA_RTC_IRQ,

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		.flags	= IORESOURCE_IRQ

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	}, {

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		.start	= MACE_RTC_RES_START,

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		.end	= MACE_RTC_RES_END,

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		.flags	= IORESOURCE_MEM,

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	}

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};

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/* RTC registers on IP32 are each padded by 256 bytes (0x100). */

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static struct ds1685_rtc_platform_data

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ip32_rtc_platform_data[] = {

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	{

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		.regstep = 0x100,

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		.bcd_mode = true,

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		.no_irq = false,

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		.uie_unsupported = false,

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		.access_type = ds1685_reg_direct,

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		.plat_prepare_poweroff = ip32_prepare_poweroff,

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	},

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};

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struct platform_device ip32_rtc_device = {

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	.name			= "rtc-ds1685",

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	.id			= -1,

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	.dev			= {

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		.platform_data	= ip32_rtc_platform_data,

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	},

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	.num_resources		= ARRAY_SIZE(ip32_rtc_resources),

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	.resource		= ip32_rtc_resources,

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};

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static __init int sgio2_rtc_devinit(void)

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{

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	return platform_device_register(&ip32_rtc_device);

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}

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device_initcall(sgio2_rtc_devinit);

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