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/*
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* Copyright (C) 2006, 2008 Atmel Corporation
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __ASM_AVR32_ARCH_GPIO_H__
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#define __ASM_AVR32_ARCH_GPIO_H__
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#include <asm/arch/chip-features.h>
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#include <asm/arch/memory-map.h>
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#define NR_GPIO_CONTROLLERS 5
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/*
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* Pin numbers identifying specific GPIO pins on the chip.
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*/
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#define GPIO_PIOA_BASE (0)
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#define GPIO_PIOB_BASE (GPIO_PIOA_BASE + 32)
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#define GPIO_PIOC_BASE (GPIO_PIOB_BASE + 32)
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#define GPIO_PIOD_BASE (GPIO_PIOC_BASE + 32)
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#define GPIO_PIOE_BASE (GPIO_PIOD_BASE + 32)
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#define GPIO_PIN_PA(x) (GPIO_PIOA_BASE + (x))
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#define GPIO_PIN_PB(x) (GPIO_PIOB_BASE + (x))
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#define GPIO_PIN_PC(x) (GPIO_PIOC_BASE + (x))
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#define GPIO_PIN_PD(x) (GPIO_PIOD_BASE + (x))
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#define GPIO_PIN_PE(x) (GPIO_PIOE_BASE + (x))
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static inline void *pio_pin_to_port(unsigned int pin)
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{
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switch (pin >> 5) {
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case 0:
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return (void *)PIOA_BASE;
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case 1:
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return (void *)PIOB_BASE;
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case 2:
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return (void *)PIOC_BASE;
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case 3:
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return (void *)PIOD_BASE;
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case 4:
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return (void *)PIOE_BASE;
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default:
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return NULL;
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}
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}
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#include <asm/arch-common/portmux-pio.h>
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#endif /* __ASM_AVR32_ARCH_GPIO_H__ */
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