mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 07:34:31 +00:00
2a52a9527a
Use BIT() macro and GENMASK() macro Signed-off-by: Patrice Chotard <patrice.chotard@st.com> Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
45 lines
832 B
C
45 lines
832 B
C
/*
|
|
* (C) Copyright 2016
|
|
* Vikas Manocha, <vikas.manocha@st.com>
|
|
*
|
|
* 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;
|
|
};
|
|
|
|
/* Information about a serial port */
|
|
struct stm32x7_serial_platdata {
|
|
struct stm32_usart *base; /* address of registers in physical memory */
|
|
unsigned long int clock_rate;
|
|
};
|
|
|
|
#define USART_CR1_OVER8 BIT(15)
|
|
#define USART_CR1_TE BIT(3)
|
|
#define USART_CR1_RE BIT(2)
|
|
#define USART_CR1_UE BIT(0)
|
|
|
|
#define USART_CR3_OVRDIS BIT(12)
|
|
|
|
#define USART_SR_FLAG_RXNE BIT(5)
|
|
#define USART_SR_FLAG_TXE BIT(7)
|
|
|
|
#define USART_BRR_F_MASK GENMASK(7, 0)
|
|
#define USART_BRR_M_SHIFT 4
|
|
#define USART_BRR_M_MASK GENMASK(15, 4)
|
|
|
|
#endif
|