mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 21:54:06 +08:00
e37051dc7f
This change ensures the platform device name matches nuc900-ac97 platform driver name. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Wan Zongshun <mcuos.com@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
201 lines
4.2 KiB
C
201 lines
4.2 KiB
C
/*
|
|
* linux/arch/arm/mach-w90x900/mfp.c
|
|
*
|
|
* Copyright (c) 2008 Nuvoton technology corporation
|
|
*
|
|
* Wan ZongShun <mcuos.com@gmail.com>
|
|
*
|
|
* 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;version 2 of the License.
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/device.h>
|
|
#include <linux/list.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/err.h>
|
|
#include <linux/string.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/io.h>
|
|
|
|
#include <mach/hardware.h>
|
|
|
|
#define REG_MFSEL (W90X900_VA_GCR + 0xC)
|
|
|
|
#define GPSELF (0x01 << 1)
|
|
#define GPSELC (0x03 << 2)
|
|
#define GPSELD (0x0f << 4)
|
|
|
|
#define GPSELEI0 (0x01 << 26)
|
|
#define GPSELEI1 (0x01 << 27)
|
|
|
|
#define GPIOG0TO1 (0x03 << 14)
|
|
#define GPIOG2TO3 (0x03 << 16)
|
|
#define GPIOG22TO23 (0x03 << 22)
|
|
#define GPIOG18TO20 (0x07 << 18)
|
|
|
|
#define ENSPI (0x0a << 14)
|
|
#define ENI2C0 (0x01 << 14)
|
|
#define ENI2C1 (0x01 << 16)
|
|
#define ENAC97 (0x02 << 22)
|
|
#define ENSD1 (0x02 << 18)
|
|
#define ENSD0 (0x0a << 4)
|
|
#define ENKPI (0x02 << 2)
|
|
#define ENNAND (0x01 << 2)
|
|
|
|
static DEFINE_MUTEX(mfp_mutex);
|
|
|
|
void mfp_set_groupf(struct device *dev)
|
|
{
|
|
unsigned long mfpen;
|
|
const char *dev_id;
|
|
|
|
BUG_ON(!dev);
|
|
|
|
mutex_lock(&mfp_mutex);
|
|
|
|
dev_id = dev_name(dev);
|
|
|
|
mfpen = __raw_readl(REG_MFSEL);
|
|
|
|
if (strcmp(dev_id, "nuc900-emc") == 0)
|
|
mfpen |= GPSELF;/*enable mac*/
|
|
else
|
|
mfpen &= ~GPSELF;/*GPIOF[9:0]*/
|
|
|
|
__raw_writel(mfpen, REG_MFSEL);
|
|
|
|
mutex_unlock(&mfp_mutex);
|
|
}
|
|
EXPORT_SYMBOL(mfp_set_groupf);
|
|
|
|
void mfp_set_groupc(struct device *dev)
|
|
{
|
|
unsigned long mfpen;
|
|
const char *dev_id;
|
|
|
|
BUG_ON(!dev);
|
|
|
|
mutex_lock(&mfp_mutex);
|
|
|
|
dev_id = dev_name(dev);
|
|
|
|
mfpen = __raw_readl(REG_MFSEL);
|
|
|
|
if (strcmp(dev_id, "nuc900-lcd") == 0)
|
|
mfpen |= GPSELC;/*enable lcd*/
|
|
else if (strcmp(dev_id, "nuc900-kpi") == 0) {
|
|
mfpen &= (~GPSELC);/*enable kpi*/
|
|
mfpen |= ENKPI;
|
|
} else if (strcmp(dev_id, "nuc900-nand") == 0) {
|
|
mfpen &= (~GPSELC);/*enable nand*/
|
|
mfpen |= ENNAND;
|
|
} else
|
|
mfpen &= (~GPSELC);/*GPIOC[14:0]*/
|
|
|
|
__raw_writel(mfpen, REG_MFSEL);
|
|
|
|
mutex_unlock(&mfp_mutex);
|
|
}
|
|
EXPORT_SYMBOL(mfp_set_groupc);
|
|
|
|
void mfp_set_groupi(struct device *dev)
|
|
{
|
|
unsigned long mfpen;
|
|
const char *dev_id;
|
|
|
|
BUG_ON(!dev);
|
|
|
|
mutex_lock(&mfp_mutex);
|
|
|
|
dev_id = dev_name(dev);
|
|
|
|
mfpen = __raw_readl(REG_MFSEL);
|
|
|
|
mfpen &= ~GPSELEI1;/*default gpio16*/
|
|
|
|
if (strcmp(dev_id, "nuc900-wdog") == 0)
|
|
mfpen |= GPSELEI1;/*enable wdog*/
|
|
else if (strcmp(dev_id, "nuc900-atapi") == 0)
|
|
mfpen |= GPSELEI0;/*enable atapi*/
|
|
else if (strcmp(dev_id, "nuc900-keypad") == 0)
|
|
mfpen &= ~GPSELEI0;/*enable keypad*/
|
|
|
|
__raw_writel(mfpen, REG_MFSEL);
|
|
|
|
mutex_unlock(&mfp_mutex);
|
|
}
|
|
EXPORT_SYMBOL(mfp_set_groupi);
|
|
|
|
void mfp_set_groupg(struct device *dev, const char *subname)
|
|
{
|
|
unsigned long mfpen;
|
|
const char *dev_id;
|
|
|
|
BUG_ON((!dev) && (!subname));
|
|
|
|
mutex_lock(&mfp_mutex);
|
|
|
|
if (subname != NULL)
|
|
dev_id = subname;
|
|
else
|
|
dev_id = dev_name(dev);
|
|
|
|
mfpen = __raw_readl(REG_MFSEL);
|
|
|
|
if (strcmp(dev_id, "nuc900-spi") == 0) {
|
|
mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);
|
|
mfpen |= ENSPI;/*enable spi*/
|
|
} else if (strcmp(dev_id, "nuc900-i2c0") == 0) {
|
|
mfpen &= ~(GPIOG0TO1);
|
|
mfpen |= ENI2C0;/*enable i2c0*/
|
|
} else if (strcmp(dev_id, "nuc900-i2c1") == 0) {
|
|
mfpen &= ~(GPIOG2TO3);
|
|
mfpen |= ENI2C1;/*enable i2c1*/
|
|
} else if (strcmp(dev_id, "nuc900-ac97") == 0) {
|
|
mfpen &= ~(GPIOG22TO23);
|
|
mfpen |= ENAC97;/*enable AC97*/
|
|
} else if (strcmp(dev_id, "nuc900-mmc-port1") == 0) {
|
|
mfpen &= ~(GPIOG18TO20);
|
|
mfpen |= (ENSD1 | 0x01);/*enable sd1*/
|
|
} else {
|
|
mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/
|
|
}
|
|
|
|
__raw_writel(mfpen, REG_MFSEL);
|
|
|
|
mutex_unlock(&mfp_mutex);
|
|
}
|
|
EXPORT_SYMBOL(mfp_set_groupg);
|
|
|
|
void mfp_set_groupd(struct device *dev, const char *subname)
|
|
{
|
|
unsigned long mfpen;
|
|
const char *dev_id;
|
|
|
|
BUG_ON((!dev) && (!subname));
|
|
|
|
mutex_lock(&mfp_mutex);
|
|
|
|
if (subname != NULL)
|
|
dev_id = subname;
|
|
else
|
|
dev_id = dev_name(dev);
|
|
|
|
mfpen = __raw_readl(REG_MFSEL);
|
|
|
|
if (strcmp(dev_id, "nuc900-mmc-port0") == 0) {
|
|
mfpen &= ~GPSELD;/*enable sd0*/
|
|
mfpen |= ENSD0;
|
|
} else
|
|
mfpen &= (~GPSELD);
|
|
|
|
__raw_writel(mfpen, REG_MFSEL);
|
|
|
|
mutex_unlock(&mfp_mutex);
|
|
}
|
|
EXPORT_SYMBOL(mfp_set_groupd);
|