diff options
Diffstat (limited to 'arch/arm/mach-w90x900/mfp.c')
| -rw-r--r-- | arch/arm/mach-w90x900/mfp.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/arch/arm/mach-w90x900/mfp.c b/arch/arm/mach-w90x900/mfp.c deleted file mode 100644 index 05f3779a3618..000000000000 --- a/arch/arm/mach-w90x900/mfp.c +++ /dev/null @@ -1,197 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * linux/arch/arm/mach-w90x900/mfp.c - * - * Copyright (c) 2008 Nuvoton technology corporation - * - * Wan ZongShun <mcuos.com@gmail.com> - */ - -#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); |