[people/ms/u-boot.git] / drivers / serial / serial_stm32x7.h

/*
 * (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			(1 << 15)
#define USART_CR1_TE			(1 << 3)
#define USART_CR1_RE			(1 << 2)
#define USART_CR1_UE			(1 << 0)

#define USART_CR3_OVRDIS		(1 << 12)

#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
Commit	Line	Data
6a12cebd VM	1	/*
	2	* (C) Copyright 2016
	3	* Vikas Manocha, <vikas.manocha@st.com>
	4	*
	5	* SPDX-License-Identifier: GPL-2.0+
	6	*/
	7
	8	#ifndef _SERIAL_STM32_X7_
	9	#define _SERIAL_STM32_X7_
	10
	11	struct stm32_usart {
	12	u32 cr1;
	13	u32 cr2;
	14	u32 cr3;
	15	u32 brr;
	16	u32 gtpr;
	17	u32 rtor;
	18	u32 rqr;
	19	u32 sr;
	20	u32 icr;
	21	u32 rd_dr;
	22	u32 tx_dr;
	23	};
	24
122b2d47 PC	25	/* Information about a serial port */
	26	struct stm32x7_serial_platdata {
	27	struct stm32_usart base; / address of registers in physical memory */
27265cee	28	unsigned long int clock_rate;
122b2d47	29	};
6a12cebd	30
1afcf9cb	31	#define USART_CR1_OVER8 (1 << 15)
6a12cebd	32	#define USART_CR1_TE (1 << 3)
1afcf9cb	33	#define USART_CR1_RE (1 << 2)
6a12cebd VM	34	#define USART_CR1_UE (1 << 0)
6a12cebd VM	35
6c0c3ce8 VM	36	#define USART_CR3_OVRDIS (1 << 12)
6c0c3ce8 VM	37
6a12cebd VM	38	#define USART_SR_FLAG_RXNE (1 << 5)
	39	#define USART_SR_FLAG_TXE (1 << 7)
	40
	41	#define USART_BRR_F_MASK 0xFF
	42	#define USART_BRR_M_SHIFT 4
	43	#define USART_BRR_M_MASK 0xFFF0
	44
	45	#endif