diff options
Diffstat (limited to 'cpu/at32ap/pio.c')
| -rw-r--r-- | cpu/at32ap/pio.c | 116 | 
1 files changed, 0 insertions, 116 deletions
| diff --git a/cpu/at32ap/pio.c b/cpu/at32ap/pio.c deleted file mode 100644 index f64004b65..000000000 --- a/cpu/at32ap/pio.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * Copyright (C) 2006 Atmel Corporation - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ -#include <common.h> - -#include <asm/io.h> -#include <asm/arch/gpio.h> -#include <asm/arch/memory-map.h> - -#include "pio2.h" - -void gpio_select_periph_A(unsigned int pin, int use_pullup) -{ -	void *base = gpio_pin_to_addr(pin); -	uint32_t mask = 1 << (pin & 0x1f); - -	if (!base) -		panic("Invalid GPIO pin %u\n", pin); - -	pio2_writel(base, ASR, mask); -	pio2_writel(base, PDR, mask); -	if (use_pullup) -		pio2_writel(base, PUER, mask); -	else -		pio2_writel(base, PUDR, mask); -} - -void gpio_select_periph_B(unsigned int pin, int use_pullup) -{ -	void *base = gpio_pin_to_addr(pin); -	uint32_t mask = 1 << (pin & 0x1f); - -	if (!base) -		panic("Invalid GPIO pin %u\n", pin); - -	pio2_writel(base, BSR, mask); -	pio2_writel(base, PDR, mask); -	if (use_pullup) -		pio2_writel(base, PUER, mask); -	else -		pio2_writel(base, PUDR, mask); -} - -void gpio_select_pio(unsigned int pin, unsigned long gpiof_flags) -{ -	void *base = gpio_pin_to_addr(pin); -	uint32_t mask = 1 << (pin & 0x1f); - -	if (!base) -		panic("Invalid GPIO pin %u\n", pin); - -	if (gpiof_flags & GPIOF_OUTPUT) { -		if (gpiof_flags & GPIOF_MULTIDRV) -			pio2_writel(base, MDER, mask); -		else -			pio2_writel(base, MDDR, mask); -		pio2_writel(base, PUDR, mask); -		pio2_writel(base, OER, mask); -	} else { -		if (gpiof_flags & GPIOF_PULLUP) -			pio2_writel(base, PUER, mask); -		else -			pio2_writel(base, PUDR, mask); -		if (gpiof_flags & GPIOF_DEGLITCH) -			pio2_writel(base, IFER, mask); -		else -			pio2_writel(base, IFDR, mask); -		pio2_writel(base, ODR, mask); -	} - -	pio2_writel(base, PER, mask); -} - -void gpio_set_value(unsigned int pin, int value) -{ -	void *base = gpio_pin_to_addr(pin); -	uint32_t mask = 1 << (pin & 0x1f); - -	if (!base) -		panic("Invalid GPIO pin %u\n", pin); - -	if (value) -		pio2_writel(base, SODR, mask); -	else -		pio2_writel(base, CODR, mask); -} - -int gpio_get_value(unsigned int pin) -{ -	void *base = gpio_pin_to_addr(pin); -	int value; - -	if (!base) -		panic("Invalid GPIO pin %u\n", pin); - -	value = pio2_readl(base, PDSR); -	return (value >> (pin & 0x1f)) & 1; -} |