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/*
* Copyright (C) 2006, 2008 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
*/
#ifndef __ASM_AVR32_ARCH_GPIO_H__
#define __ASM_AVR32_ARCH_GPIO_H__
#include <asm/arch/chip-features.h>
#include <asm/arch/memory-map.h>
#define NR_GPIO_CONTROLLERS 5
/*
* Pin numbers identifying specific GPIO pins on the chip.
*/
#define GPIO_PIOA_BASE (0)
#define GPIO_PIOB_BASE (GPIO_PIOA_BASE + 32)
#define GPIO_PIOC_BASE (GPIO_PIOB_BASE + 32)
#define GPIO_PIOD_BASE (GPIO_PIOC_BASE + 32)
#define GPIO_PIOE_BASE (GPIO_PIOD_BASE + 32)
#define GPIO_PIN_PA(x) (GPIO_PIOA_BASE + (x))
#define GPIO_PIN_PB(x) (GPIO_PIOB_BASE + (x))
#define GPIO_PIN_PC(x) (GPIO_PIOC_BASE + (x))
#define GPIO_PIN_PD(x) (GPIO_PIOD_BASE + (x))
#define GPIO_PIN_PE(x) (GPIO_PIOE_BASE + (x))
static inline void *pio_pin_to_port(unsigned int pin)
{
switch (pin >> 5) {
case 0:
return (void *)PIOA_BASE;
case 1:
return (void *)PIOB_BASE;
case 2:
return (void *)PIOC_BASE;
case 3:
return (void *)PIOD_BASE;
case 4:
return (void *)PIOE_BASE;
default:
return NULL;
}
}
#include <asm/arch-common/portmux-pio.h>
#endif /* __ASM_AVR32_ARCH_GPIO_H__ */
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