91 lines
4.5 KiB
C
91 lines
4.5 KiB
C
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/*
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* Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
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* to the MC1322x project (http://mc1322x.devl.org)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of libmc1322x: see http://mc1322x.devl.org
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* for details.
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*
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* $Id: gpio.h,v 1.1 2010/06/10 14:55:39 maralvira Exp $
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*/
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#ifndef GPIO_H
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#define GPIO_H
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#define GPIO_PAD_DIR0 ((volatile uint32_t *) 0x80000000)
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#define GPIO_PAD_DIR1 ((volatile uint32_t *) 0x80000004)
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#define GPIO_DATA0 ((volatile uint32_t *) 0x80000008)
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#define GPIO_DATA1 ((volatile uint32_t *) 0x8000000c)
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#define GPIO_PAD_PU_EN0 ((volatile uint32_t *) 0x80000010)
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#define GPIO_PAD_PU_EN1 ((volatile uint32_t *) 0x80000014)
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#define GPIO_FUNC_SEL0 ((volatile uint32_t *) 0x80000018) /* GPIO 15 - 0; 2 bit blocks */
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#define GPIO_FUNC_SEL1 ((volatile uint32_t *) 0x8000001c) /* GPIO 16 - 31; 2 bit blocks */
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#define GPIO_FUNC_SEL2 ((volatile uint32_t *) 0x80000020) /* GPIO 32 - 47; 2 bit blocks */
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#define GPIO_FUNC_SEL3 ((volatile uint32_t *) 0x80000024) /* GPIO 48 - 63; 2 bit blocks */
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#define GPIO_DATA_SEL0 ((volatile uint32_t *) 0x80000028)
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#define GPIO_DATA_SEL1 ((volatile uint32_t *) 0x8000002c)
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#define GPIO_PAD_PU_SEL0 ((volatile uint32_t *) 0x80000030)
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#define GPIO_PAD_PU_SEL1 ((volatile uint32_t *) 0x80000034)
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#define GPIO_DATA_SET0 ((volatile uint32_t *) 0x80000048)
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#define GPIO_DATA_SET1 ((volatile uint32_t *) 0x8000004c)
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#define GPIO_DATA_RESET0 ((volatile uint32_t *) 0x80000050)
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#define GPIO_DATA_RESET1 ((volatile uint32_t *) 0x80000054)
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#define GPIO_PAD_DIR_SET0 ((volatile uint32_t *) 0x80000058)
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#define GPIO_PAD_DIR_SET1 ((volatile uint32_t *) 0x8000005c)
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#define GPIO_PAD_DIR_RESET0 ((volatile uint32_t *) 0x80000060)
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#define GPIO_PAD_DIR_RESET1 ((volatile uint32_t *) 0x80000064)
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inline void gpio_pad_dir(volatile uint64_t data);
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inline void gpio_data(volatile uint64_t data);
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inline uint64_t gpio_data_get(volatile uint64_t bits);
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inline void gpio_pad_pu_en(volatile uint64_t data);
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inline void gpio_data_sel(volatile uint64_t data);
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inline void gpio_data_pu_sel(volatile uint64_t data);
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inline void gpio_data_set(volatile uint64_t data);
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inline void gpio_data_reset(volatile uint64_t data);
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inline void gpio_pad_dir_set(volatile uint64_t data);
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inline void gpio_pad_dir_reset(volatile uint64_t data);
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/* select pullup or pulldown for GPIO 0-31 (b=0-31) */
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#define gpio_sel0_pullup(b) (set_bit(*GPIO_PAD_PU_SEL0,b))
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#define gpio_sel0_pulldown(b) (clear_bit(*GPIO_PAD_PU_SEL0,b))
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/* select pullup or pulldown for GPIO 32-63 (b=32-63) */
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#define gpio_sel1_pullup(b) (set_bit(*GPIO_PAD_PU_SEL1,b-32))
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#define gpio_sel1_pulldown(b) (clear_bit(*GPIO_PAD_PU_SEL1,b-32))
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/* enable/disable pullup for GPIO 0-31 (b=0-31) */
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#define gpio_pu0_enable(b) (set_bit(*GPIO_PAD_PU_EN0,b))
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#define gpio_pu0_disable(b) (clear_bit(*GPIO_PAD_PU_EN0,b))
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/* enable/disable pullup for GPIO 32-63 (b=32-63) */
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#define gpio_pu1_enable(b) (set_bit(*GPIO_PAD_PU_EN1,b-32))
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#define gpio_pu1_disable(b) (clear_bit(*GPIO_PAD_PU_EN1,b-32))
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#endif
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