/* * (C) Copyright 2016 * Vikas Manocha, * * SPDX-License-Identifier: GPL-2.0+ */ #ifndef _SERIAL_STM32_X7_ #define _SERIAL_STM32_X7_ struct stm32_usart { u32 cr1; u32 cr2; u32 cr3; u32 brr; u32 gtpr; u32 rtor; u32 rqr; u32 sr; u32 icr; u32 rd_dr; u32 tx_dr; }; #define USART_CR1_RE (1 << 2) #define USART_CR1_TE (1 << 3) #define USART_CR1_UE (1 << 0) #define USART_SR_FLAG_RXNE (1 << 5) #define USART_SR_FLAG_TXE (1 << 7) #define USART_BRR_F_MASK 0xFF #define USART_BRR_M_SHIFT 4 #define USART_BRR_M_MASK 0xFFF0 #endif