| /* |
| * Copyright (c) 2013-2014 Wind River Systems, Inc. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /** |
| * @file |
| * @brief Freescale K20 microprocessor Pin Control register definitions |
| * |
| * This module defines the PCR (Port/Pin Control/Configuration Registers) for |
| * the K20 Family of microprocessors |
| */ |
| |
| #ifndef _K20PCR_H_ |
| #define _K20PCR_H_ |
| |
| #include <stdint.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define PCR_PORT_A 0 |
| #define PCR_PORT_B 1 |
| #define PCR_PORT_C 2 |
| #define PCR_PORT_D 3 |
| #define PCR_PORT_E 4 |
| |
| #define PCR_MUX_DISABLED 0 |
| #define PCR_MUX_ALT1 1 |
| #define PCR_MUX_ALT2 2 |
| #define PCR_MUX_ALT3 3 |
| #define PCR_MUX_ALT4 4 |
| #define PCR_MUX_ALT5 5 |
| #define PCR_MUX_ALT6 6 |
| #define PCR_MUX_ALT7 7 |
| |
| union K20_PCR { |
| uint32_t value; |
| struct { |
| uint8_t ps : 1 __packed; |
| uint8_t pe : 1 __packed; |
| uint8_t sre : 1 __packed; |
| uint8_t res_3 : 1 __packed; |
| uint8_t pfe : 1 __packed; |
| uint8_t ode : 1 __packed; |
| uint8_t dse : 1 __packed; |
| uint8_t res_7 : 1 __packed; |
| uint8_t mux : 3 __packed; |
| uint8_t res_11_14 : 4 __packed; |
| uint8_t lk : 1 __packed; |
| uint8_t irqc : 4 __packed; |
| uint8_t res_20_23 : 4 __packed; |
| uint8_t isf : 1 __packed; |
| uint8_t res_25_31 : 7 __packed; |
| } field; |
| }; /* Pin Control Register n, n= 0-31 */ |
| |
| union K20_GPC { |
| uint32_t value; |
| struct { |
| uint16_t gpwe : 16 __packed; |
| uint16_t gpwd : 16 __packed; |
| } field; |
| }; /* Global Pin Control Low/High Register */ |
| |
| /* K20 Microntroller PCR module register structure */ |
| |
| struct K20_PORT_PCR { |
| struct { |
| union K20_PCR pcr[32] __packed; /* 0x00-07C */ |
| union K20_GPC gpchr __packed; /* 0x80 */ |
| union K20_GPC gpclr __packed; /* 0x84 */ |
| uint8_t res_88_9F[0xA0 - 0x88]; /* 0x88-0x9F Reserved */ |
| uint32_t isfr __packed; /* 0xA0 */ |
| uint8_t res_A4_FF[0x1000 - 0xA4]; /* 0xA4-0xFFF Reserved */ |
| } port[5]; |
| }; |
| |
| /* pin control register for port A..E on pin 0..31 */ |
| #define K20_PCR(base, port, pin) \ |
| ((union K20_PCR *)(base + (0x1000 * port) + (pin * 4))) |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _K20PCR_H_ */ |