1 /* 2 * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef IMX8_LPUART_H 8 #define IMX8_LPUART_H 9 10 #include <drivers/console.h> 11 12 #define VERID 0x0 13 #define PARAM 0x4 14 #define GLOBAL 0x8 15 #define PINCFG 0xC 16 #define BAUD 0x10 17 #define STAT 0x14 18 #define CTRL 0x18 19 #define DATA 0x1C 20 #define MATCH 0x20 21 #define MODIR 0x24 22 #define FIFO 0x28 23 #define WATER 0x2c 24 25 #define US1_TDRE (1 << 23) 26 #define US1_RDRF (1 << 21) 27 28 #define CTRL_TE (1 << 19) 29 #define CTRL_RE (1 << 18) 30 31 #define FIFO_TXFE 0x80 32 #define FIFO_RXFE 0x40 33 34 #define WATER_TXWATER_OFF 1 35 #define WATER_RXWATER_OFF 16 36 37 #define LPUART_CTRL_PT_MASK 0x1 38 #define LPUART_CTRL_PE_MASK 0x2 39 #define LPUART_CTRL_M_MASK 0x10 40 41 #define LPUART_BAUD_OSR_MASK (0x1F000000U) 42 #define LPUART_BAUD_OSR_SHIFT (24U) 43 #define LPUART_BAUD_OSR(x) (((uint32_t)(((uint32_t)(x)) << LPUART_BAUD_OSR_SHIFT)) & LPUART_BAUD_OSR_MASK) 44 45 #define LPUART_BAUD_SBR_MASK (0x1FFFU) 46 #define LPUART_BAUD_SBR_SHIFT (0U) 47 #define LPUART_BAUD_SBR(x) (((uint32_t)(((uint32_t)(x)) << LPUART_BAUD_SBR_SHIFT)) & LPUART_BAUD_SBR_MASK) 48 49 #define LPUART_BAUD_SBNS_MASK (0x2000U) 50 #define LPUART_BAUD_BOTHEDGE_MASK (0x20000U) 51 #define LPUART_BAUD_M10_MASK (0x20000000U) 52 53 #ifndef __ASSEMBLER__ 54 55 #include <stdint.h> 56 57 int console_lpuart_register(uintptr_t baseaddr, uint32_t clock, uint32_t baud, 58 console_t *console); 59 #endif /*__ASSEMBLER__*/ 60 61 #endif /* IMX8_LPUART_H */ 62