1*27b9d5eaSAnson Huang /* 2*27b9d5eaSAnson Huang * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. 3*27b9d5eaSAnson Huang * 4*27b9d5eaSAnson Huang * SPDX-License-Identifier: BSD-3-Clause 5*27b9d5eaSAnson Huang */ 6*27b9d5eaSAnson Huang 7*27b9d5eaSAnson Huang #ifndef __IMX_LPUART_H__ 8*27b9d5eaSAnson Huang #define __IMX_LPUART_H__ 9*27b9d5eaSAnson Huang 10*27b9d5eaSAnson Huang #include <console.h> 11*27b9d5eaSAnson Huang 12*27b9d5eaSAnson Huang #define VERID 0x0 13*27b9d5eaSAnson Huang #define PARAM 0x4 14*27b9d5eaSAnson Huang #define GLOBAL 0x8 15*27b9d5eaSAnson Huang #define PINCFG 0xC 16*27b9d5eaSAnson Huang #define BAUD 0x10 17*27b9d5eaSAnson Huang #define STAT 0x14 18*27b9d5eaSAnson Huang #define CTRL 0x18 19*27b9d5eaSAnson Huang #define DATA 0x1C 20*27b9d5eaSAnson Huang #define MATCH 0x20 21*27b9d5eaSAnson Huang #define MODIR 0x24 22*27b9d5eaSAnson Huang #define FIFO 0x28 23*27b9d5eaSAnson Huang #define WATER 0x2c 24*27b9d5eaSAnson Huang 25*27b9d5eaSAnson Huang #define US1_TDRE (1 << 23) 26*27b9d5eaSAnson Huang #define US1_RDRF (1 << 21) 27*27b9d5eaSAnson Huang 28*27b9d5eaSAnson Huang #define CTRL_TE (1 << 19) 29*27b9d5eaSAnson Huang #define CTRL_RE (1 << 18) 30*27b9d5eaSAnson Huang 31*27b9d5eaSAnson Huang #define FIFO_TXFE 0x80 32*27b9d5eaSAnson Huang #define FIFO_RXFE 0x40 33*27b9d5eaSAnson Huang 34*27b9d5eaSAnson Huang #define WATER_TXWATER_OFF 1 35*27b9d5eaSAnson Huang #define WATER_RXWATER_OFF 16 36*27b9d5eaSAnson Huang 37*27b9d5eaSAnson Huang #define LPUART_CTRL_PT_MASK 0x1 38*27b9d5eaSAnson Huang #define LPUART_CTRL_PE_MASK 0x2 39*27b9d5eaSAnson Huang #define LPUART_CTRL_M_MASK 0x10 40*27b9d5eaSAnson Huang 41*27b9d5eaSAnson Huang #define LPUART_BAUD_OSR_MASK (0x1F000000U) 42*27b9d5eaSAnson Huang #define LPUART_BAUD_OSR_SHIFT (24U) 43*27b9d5eaSAnson Huang #define LPUART_BAUD_OSR(x) (((uint32_t)(((uint32_t)(x)) << LPUART_BAUD_OSR_SHIFT)) & LPUART_BAUD_OSR_MASK) 44*27b9d5eaSAnson Huang 45*27b9d5eaSAnson Huang #define LPUART_BAUD_SBR_MASK (0x1FFFU) 46*27b9d5eaSAnson Huang #define LPUART_BAUD_SBR_SHIFT (0U) 47*27b9d5eaSAnson Huang #define LPUART_BAUD_SBR(x) (((uint32_t)(((uint32_t)(x)) << LPUART_BAUD_SBR_SHIFT)) & LPUART_BAUD_SBR_MASK) 48*27b9d5eaSAnson Huang 49*27b9d5eaSAnson Huang #define LPUART_BAUD_SBNS_MASK (0x2000U) 50*27b9d5eaSAnson Huang #define LPUART_BAUD_BOTHEDGE_MASK (0x20000U) 51*27b9d5eaSAnson Huang #define LPUART_BAUD_M10_MASK (0x20000000U) 52*27b9d5eaSAnson Huang 53*27b9d5eaSAnson Huang #ifndef __ASSEMBLY__ 54*27b9d5eaSAnson Huang 55*27b9d5eaSAnson Huang #include <types.h> 56*27b9d5eaSAnson Huang 57*27b9d5eaSAnson Huang typedef struct { 58*27b9d5eaSAnson Huang console_t console; 59*27b9d5eaSAnson Huang uintptr_t base; 60*27b9d5eaSAnson Huang } console_lpuart_t; 61*27b9d5eaSAnson Huang 62*27b9d5eaSAnson Huang int console_lpuart_register(uintptr_t baseaddr, uint32_t clock, uint32_t baud, 63*27b9d5eaSAnson Huang console_lpuart_t *console); 64*27b9d5eaSAnson Huang #endif /*__ASSEMBLY__*/ 65*27b9d5eaSAnson Huang 66*27b9d5eaSAnson Huang #endif /* __IMX_LPUART_H__*/ 67