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[MIPS] separate platform_device registration for VR41xx serial interface

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Signed-off-by: Yoichi Yuasa <[email protected]>
Signed-off-by: Ralf Baechle <[email protected]>
This commit is contained in:
Yoichi Yuasa 2007-05-09 00:03:02 +09:00 • committed by Ralf Baechle
commit 891649409e
4 changed files with 153 additions and 114 deletions
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2
arch/mips/vr41xx/common/Makefile
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@ -2,4 +2,4 @@
# Makefile for common code of the NEC VR4100 series.
#
obj-y += bcu.o cmu.o icu.o init.o irq.o pmu.o type.o
obj-y += bcu.o cmu.o icu.o init.o irq.o pmu.o siu.o type.o

120
arch/mips/vr41xx/common/siu.c Normal file
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@ -0,0 +1,120 @@
/*
* NEC VR4100 series SIU platform device.
*
* Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <asm/cpu.h>
#include <asm/vr41xx/siu.h>
static unsigned int siu_type1_ports[SIU_PORTS_MAX] __initdata = {
PORT_VR41XX_SIU,
PORT_UNKNOWN,
};
static struct resource siu_type1_resource[] __initdata = {
{
.start = 0x0c000000,
.end = 0x0c00000a,
.flags = IORESOURCE_MEM,
},
{
.start = SIU_IRQ,
.end = SIU_IRQ,
.flags = IORESOURCE_IRQ,
},
};
static unsigned int siu_type2_ports[SIU_PORTS_MAX] __initdata = {
PORT_VR41XX_SIU,
PORT_VR41XX_DSIU,
};
static struct resource siu_type2_resource[] __initdata = {
{
.start = 0x0f000800,
.end = 0x0f00080a,
.flags = IORESOURCE_MEM,
},
{
.start = 0x0f000820,
.end = 0x0f000829,
.flags = IORESOURCE_MEM,
},
{
.start = SIU_IRQ,
.end = SIU_IRQ,
.flags = IORESOURCE_IRQ,
},
{
.start = DSIU_IRQ,
.end = DSIU_IRQ,
.flags = IORESOURCE_IRQ,
},
};
static int __init vr41xx_siu_add(void)
{
struct platform_device *pdev;
struct resource *res;
unsigned int num;
int retval;
pdev = platform_device_alloc("SIU", -1);
if (!pdev)
return -ENOMEM;
switch (current_cpu_data.cputype) {
case CPU_VR4111:
case CPU_VR4121:
pdev->dev.platform_data = siu_type1_ports;
res = siu_type1_resource;
num = ARRAY_SIZE(siu_type1_resource);
break;
case CPU_VR4122:
case CPU_VR4131:
case CPU_VR4133:
pdev->dev.platform_data = siu_type2_ports;
res = siu_type2_resource;
num = ARRAY_SIZE(siu_type2_resource);
break;
default:
retval = -ENODEV;
goto err_free_device;
}
retval = platform_device_add_resources(pdev, res, num);
if (retval)
goto err_free_device;
retval = platform_device_add(pdev);
if (retval)
goto err_free_device;
return 0;
err_free_device:
platform_device_put(pdev);
return retval;
}
device_initcall(vr41xx_siu_add);