| /**************************************************************************** |
| * 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 */ |