1 /* 2 * Copyright (c) 2021 Microchip Technology Inc. and its subsidiaries. 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #ifndef _MEC_TFDP_H 8 #define _MEC_TFDP_H 9 10 #include <stdint.h> 11 #include <stddef.h> 12 13 #define MCHP_TFDP_CTRL_REG_MASK 0x7fu 14 #define MCHP_TFDP_CTRL_EN_POS 0u 15 #define MCHP_TFDP_CTRL_EDGE_SEL_POS 1u 16 #define MCHP_TFDP_CTRL_DIV_SEL_POS 2u 17 #define MCHP_TFDP_CTRL_IP_DLY_POS 4u 18 19 #define MCHP_TFDP_CTRL_EN BIT(0) 20 #define MCHP_TFDP_OUT_ON_FALLING_EDGE BIT(1) 21 #define MCHP_TFDP_CLK_AHB_DIV_2 0 22 #define MCHP_TFDP_CLK_AHB_DIV_4 0x04u 23 #define MCHP_TFDP_CLK_AHB_DIV_8 0x08u 24 #define MCHP_TFDP_CLK_AHB_DIV_2_ALT 0x0cu 25 26 /* Number of AHB clocks between each byte shifted out */ 27 #define MCHP_TFDP_IP_DLY_1 0 28 #define MCHP_TFDP_IP_DLY_2 0x10u 29 #define MCHP_TFDP_IP_DLY_3 0x20u 30 #define MCHP_TFDP_IP_DLY_4 0x30u 31 #define MCHP_TFDP_IP_DLY_5 0x40u 32 #define MCHP_TFDP_IP_DLY_6 0x50u 33 #define MCHP_TFDP_IP_DLY_7 0x60u 34 #define MCHP_TFDP_IP_DLY_8 0x70u 35 36 /* First byte indicates start of packet */ 37 #define MCHP_TFDP_PKT_START 0xfdu 38 39 /** @brief Trace FIFO Debug Port Registers (TFDP) */ 40 struct tfdp_regs { 41 volatile uint8_t DATA_OUT; 42 uint8_t RSVD1[3]; 43 volatile uint32_t CTRL; 44 }; 45 46 #endif /* #ifndef _MEC_TFDP_H */ 47
