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arch/mips/dec: switch DECstation systems to rtc-cmos

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This adds an RTC platform device for DECstation systems so that they can
use the rtc-cmos driver for their RTC device.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Maciej W. Rozycki 2014-06-06 14:35:50 -07:00 committed by Linus Torvalds
parent 31632dbdba
commit fae67ad431
2 changed files with 45 additions and 1 deletions
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2
arch/mips/dec/Makefile
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@ -3,7 +3,7 @@
# #
obj-y := ecc-berr.o int-handler.o ioasic-irq.o kn01-berr.o \ obj-y := ecc-berr.o int-handler.o ioasic-irq.o kn01-berr.o \
kn02-irq.o kn02xa-berr.o reset.o setup.o time.o kn02-irq.o kn02xa-berr.o platform.o reset.o setup.o time.o
obj-$(CONFIG_TC) += tc.o obj-$(CONFIG_TC) += tc.o
obj-$(CONFIG_CPU_HAS_WB) += wbflush.o obj-$(CONFIG_CPU_HAS_WB) += wbflush.o

44
arch/mips/dec/platform.c Normal file
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@ -0,0 +1,44 @@
/*
* DEC platform devices.
*
* Copyright (c) 2014 Maciej W. Rozycki
*
* 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.
*/
#include <linux/ioport.h>
#include <linux/kernel.h>
#include <linux/mc146818rtc.h>
#include <linux/platform_device.h>
static struct resource dec_rtc_resources[] = {
{
.name = "rtc",
.flags = IORESOURCE_MEM,
},
};
static struct cmos_rtc_board_info dec_rtc_info = {
.flags = CMOS_RTC_FLAGS_NOFREQ,
.address_space = 64,
};
static struct platform_device dec_rtc_device = {
.name = "rtc_cmos",
.id = PLATFORM_DEVID_NONE,
.dev.platform_data = &dec_rtc_info,
.resource = dec_rtc_resources,
.num_resources = ARRAY_SIZE(dec_rtc_resources),
};
static int __init dec_add_devices(void)
{
dec_rtc_resources[0].start = RTC_PORT(0);
dec_rtc_resources[0].end = RTC_PORT(0) + dec_kn_slot_size - 1;
return platform_device_register(&dec_rtc_device);
}
device_initcall(dec_add_devices);