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/****************************************************************************
* arch/arm/src/a1x/hardware/a1x_pio.h
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __ARCH_ARM_SRC_A1X_HARDWARE_A1X_PIO_H
#define __ARCH_ARM_SRC_A1X_HARDWARE_A1X_PIO_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "hardware/a1x_memorymap.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define PIO_REG_PORTA 0
#define PIO_REG_PORTB 1
#define PIO_REG_PORTC 2
#define PIO_REG_PORTD 3
#define PIO_REG_PORTE 4
#define PIO_REG_PORTF 5
#define PIO_REG_PORTG 6
#define PIO_REG_PORTH 7
#define PIO_REG_PORTI 8
#define PIO_REG_PORTS 9
#define PIO_REG_CFG_INPUT 0
#define PIO_REG_CFG_OUTPUT 1
#define PIO_REG_DRV_LEVEL0 0
#define PIO_REG_DRV_LEVEL1 1
#define PIO_REG_DRV_LEVEL2 2
#define PIO_REG_DRV_LEVEL3 3
#define PIO_REG_PULL_NONE 0
#define PIO_REG_PULL_UP 1
#define PIO_REG_PULL_DOWN 2
#define PIO_REG_INT_POSEDGE 0
#define PIO_REG_INT_NEGEDGE 1
#define PIO_REG_INT_HILEVEL 2
#define PIO_REG_INT_LOWLEVEL 3
#define PIO_REG_INT_BOTHEDGES 4
/* Register offsets *********************************************************/
#define A1X_PIO_CFG0_OFFSET(n) (0x0000 + (n)*0x24) /* Port Configure Register 0, n=0-9 */
#define A1X_PIO_CFG1_OFFSET(n) (0x0004 + (n)*0x24) /* Port Configure Register 1, n=0-9 */
#define A1X_PIO_CFG2_OFFSET(n) (0x0008 + (n)*0x24) /* Port Configure Register 2, n=0-9 */
#define A1X_PIO_CFG3_OFFSET(n) (0x000c + (n)*0x24) /* Port Configure Register 3, n=0-9 */
#define A1X_PIO_DAT_OFFSET(n) (0x0010 + (n)*0x24) /* Port Data Register, n=0-9 */
#define A1X_PIO_DRV0_OFFSET(n) (0x0014 + (n)*0x24) /* Port Multi-Driving Register 0, n=0-9 */
#define A1X_PIO_DRV1_OFFSET(n) (0x0018 + (n)*0x24) /* Port Multi-Driving Register 1, n=0-9 */
#define A1X_PIO_PUL0_OFFSET(n) (0x001c + (n)*0x24) /* Port Pull Register 0, n=0-9 */
#define A1X_PIO_PUL1_OFFSET(n) (0x0020 + (n)*0x24) /* Port Pull Register 1, n=0-9 */
#define A1X_PIO_INT_CFG0_OFFSET 0x0200 /* PIO Interrupt Configure Register 0 */
#define A1X_PIO_INT_CFG1_OFFSET 0x0204 /* PIO Interrupt Configure Register 1 */
#define A1X_PIO_INT_CFG2_OFFSET 0x0208 /* PIO Interrupt Configure Register 2 */
#define A1X_PIO_INT_CFG3_OFFSET 0x020c /* PIO Interrupt Configure Register 3 */
#define A1X_PIO_INT_CTL_OFFSET 0x0210 /* PIO Interrupt Control Register */
#define A1X_PIO_INT_STA_OFFSET 0x0214 /* PIO Interrupt Status Register */
#define A1X_PIO_INT_DEB_OFFSET 0x0218 /* PIO Interrupt Debounce Register */
#define A1X_SDR_PAD_DRV_OFFSET 0x0220 /* SDRAM Pad Multi-Driving Register */
#define A1X_SDR_PAD_PUL_OFFSET 0x0224 /* SDRAM Pad Pull Register */
/* Register virtual addresses ***********************************************/
#define A1X_PIO_CFG0(n) (A1X_PIO_VADDR+A1X_PIO_CFG0_OFFSET(n))
#define A1X_PIO_CFG1(n) (A1X_PIO_VADDR+A1X_PIO_CFG1_OFFSET(n))
#define A1X_PIO_CFG2(n) (A1X_PIO_VADDR+A1X_PIO_CFG2_OFFSET(n))
#define A1X_PIO_CFG3(n) (A1X_PIO_VADDR+A1X_PIO_CFG3_OFFSET(n))
#define A1X_PIO_DAT(n) (A1X_PIO_VADDR+A1X_PIO_DAT_OFFSET(n))
#define A1X_PIO_DRV0(n) (A1X_PIO_VADDR+A1X_PIO_DRV0_OFFSET(n))
#define A1X_PIO_DRV1(n) (A1X_PIO_VADDR+A1X_PIO_DRV1_OFFSET(n))
#define A1X_PIO_PUL0(n) (A1X_PIO_VADDR+A1X_PIO_PUL0_OFFSET(n))
#define A1X_PIO_PUL1(n) (A1X_PIO_VADDR+A1X_PIO_PUL1_OFFSET(n))
#define A1X_PIO_INT_CFG0 (A1X_PIO_VADDR+A1X_PIO_INT_CFG0_OFFSET)
#define A1X_PIO_INT_CFG1 (A1X_PIO_VADDR+A1X_PIO_INT_CFG1_OFFSET)
#define A1X_PIO_INT_CFG2 (A1X_PIO_VADDR+A1X_PIO_INT_CFG2_OFFSET)
#define A1X_PIO_INT_CFG3 (A1X_PIO_VADDR+A1X_PIO_INT_CFG3_OFFSET)
#define A1X_PIO_INT_CTL (A1X_PIO_VADDR+A1X_PIO_INT_CTL_OFFSET)
#define A1X_PIO_INT_STA (A1X_PIO_VADDR+A1X_PIO_INT_STA_OFFSET)
#define A1X_PIO_INT_DEB (A1X_PIO_VADDR+A1X_PIO_INT_DEB_OFFSET)
#define A1X_SDR_PAD_DRV (A1X_PIO_VADDR+A1X_SDR_PAD_DRV_OFFSET)
#define A1X_SDR_PAD_PUL (A1X_PIO_VADDR+A1X_SDR_PAD_PUL_OFFSET)
/* Register bit field definitions *******************************************/
/* Port Configure Register 0, n=0-7 */
#define PIO_CFG0_SHIFT(n) ((n) << 2)
#define PIO_CFG0_MASK(n)) (7 << PIO_CFG0_SHIFT(n))
# define PIO_CFG0(m,v) ((uint32_t)(v) << PIO_CFG0_SHIFT(n))
/* Port Configure Register 1, n=8-15 */
#define PIO_CFG1_SHIFT(n) (((n) - 8) << 2)
#define PIO_CFG1_MASK(n)) (7 << PIO_CFG1_SHIFT(n))
# define PIO_CFG1(m,v) ((uint32_t)(v) << PIO_CFG1_SHIFT(n))
/* Port Configure Register 2, n=16-23 */
#define PIO_CFG2_SHIFT(n) (((n) - 16) << 2)
#define PIO_CFG2_MASK(n)) (7 << PIO_CFG2_SHIFT(n))
# define PIO_CFG2(m,v) ((uint32_t)(v) << PIO_CFG2_SHIFT(n))
/* Port Configure Register 3, n=24-31 */
#define PIO_CFG3_SHIFT(n) (((n) - 24) << 2)
#define PIO_CFG3_MASK(n)) (7 << PIO_CFG3_SHIFT(n))
# define PIO_CFG3(m,v) ((uint32_t)(v) << PIO_CFG3_SHIFT(n))
/* Port n Data Register, n=0-9 */
#define PIO_DAT(n) (1 << (n)) /* PA data, n=0-31 */
/* Port n Multi-Driving Register 0, n=0-9 */
#define PIO_DRV0_SHIFT(n) ((n) << 1) /* PA DRV0, n=0-15 */
#define PIO_DRV0_MASK(n) (3 << PIO_DRV0_SHIFT(n))
# define PIO_DRV0(n,v) ((uint32_t)(v) << PIO_DRV0_SHIFT(n))
/* Port n Multi-Driving Register 1, n=0-9 */
#define PIO_DRV1_SHIFT(n) (((n) - 16) << 1) /* PA DRV1, n=16-31 */
#define PIO_DRV1_MASK(n) (3 << PIO_DRV1_SHIFT(n))
# define PIO_DRV1(n,v) ((uint32_t)(v) << PIO_DRV1_SHIFT(n))
/* Port n Pull Register 0, n=0-9 */
#define PIO_PUL0_SHIFT(n) ((n) << 1) /* PA PUL0, n=0-15 */
#define PIO_PUL0_MASK(n) (3 << PIO_PUL0_SHIFT(n))
# define PIO_PUL0(n,v) ((uint32_t)(v) << PIO_PUL0_SHIFT(n))
/* Port n Pull Register 1, n=0-9 */
#define PIO_PUL1_SHIFT(n) (((n) - 16) << 1) /* PA PUL1, n=16-31 */
#define PIO_PUL1_MASK(n) (3 << PIO_PUL1_SHIFT(n))
# define PIO_PUL1(n,v) ((uint32_t)(v) << PIO_PUL1_SHIFT(n))
/* PIO Interrupt Configure Register 0 */
#define PIO_INT_CFG0_SHIFT(n) ((n) << 2)
#define PIO_INT_CFG0_MASK(n)) (15 << PIO_INT_CFG0_SHIFT(n))
# define PIO_INT_CFG0(m,v) ((uint32_t)(v) << PIO_INT_CFG0_SHIFT(n))
/* PIO Interrupt Configure Register 1 */
#define PIO_INT_CFG1_SHIFT(n) (((n) - 8) << 2)
#define PIO_INT_CFG1_MASK(n)) (15 << PIO_INT_CFG1_SHIFT(n))
# define PIO_INT_CFG1(m,v) ((uint32_t)(v) << PIO_INT_CFG1_SHIFT(n))
/* PIO Interrupt Configure Register 2 */
#define PIO_INT_CFG2_SHIFT(n) (((n) - 16) << 2)
#define PIO_INT_CFG2_MASK(n)) (15 << PIO_INT_CFG2_SHIFT(n))
# define PIO_INT_CFG2(m,v) ((uint32_t)(v) << PIO_INT_CFG2_SHIFT(n))
/* PIO Interrupt Configure Register 3 */
#define PIO_INT_CFG3_SHIFT(n) (((n) - 24) << 2)
#define PIO_INT_CFG3_MASK(n)) (15 << PIO_INT_CFG3_SHIFT(n))
# define PIO_INT_CFG3(m,v) ((uint32_t)(v) << PIO_INT_CFG3_SHIFT(n))
/* PIO Interrupt Control Register */
#define PIO_INT_CTL(n) (1 << (n))
/* PIO Interrupt Status Register */
#define PIO_INT_STA(n) (1 << (n))
/* PIO Interrupt Debounce Register */
#define PIO_INT_DEB_CLKSEL (1 << 0) /* Bit 0: PIO Interrupt Clock Select */
#define PIO_INT_DEB_CLKPRESC_SHIFT (4) /* Bit 4-6: Debounce Clock Pre-scale */
#define PIO_INT_DEB_CLKPRESC_MASK (7 << PIO_INT_DEB_CLKPRESC_SHIFT)
# define PIO_INT_DEB_CLKPRESC(n) ((uint32_t)(n) << PIO_INT_DEB_CLKPRESC_SHIFT)
/* SDRAM Pad Multi-Driving Register */
/* REVISIT: Missing register bit definitions */
/* SDRAM Pad Pull Register */
/* REVISIT: Missing register bit definitions */
#endif /* __ARCH_ARM_SRC_A1X_HARDWARE_A1X_PIO_H */