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path: root/drivers/marvell/uart/a3700_console.h
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/*
 * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of ARM nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __A3700_CONSOLE_H__
#define __A3700_CONSOLE_H__

/* MVEBU UART Registers */
#define UART_RX_REG		0x00
#define UART_TX_REG		0x04
#define UART_CTRL_REG		0x08
#define UART_STATUS_REG		0x0c
#define UART_BAUD_REG		0x10
#define UART_POSSR_REG		0x14

/* FIFO Control Register bits */
#define UARTFCR_FIFOMD_16450	(0 << 6)
#define UARTFCR_FIFOMD_16550	(1 << 6)
#define UARTFCR_RXTRIG_1	(0 << 6)
#define UARTFCR_RXTRIG_4	(1 << 6)
#define UARTFCR_RXTRIG_8	(2 << 6)
#define UARTFCR_RXTRIG_16	(3 << 6)
#define UARTFCR_TXTRIG_1	(0 << 4)
#define UARTFCR_TXTRIG_4	(1 << 4)
#define UARTFCR_TXTRIG_8	(2 << 4)
#define UARTFCR_TXTRIG_16	(3 << 4)
#define UARTFCR_DMAEN		(1 << 3)	/* Enable DMA mode */
#define UARTFCR_TXCLR		(1 << 2)	/* Clear contents of Tx FIFO */
#define UARTFCR_RXCLR		(1 << 1)	/* Clear contents of Rx FIFO */
#define UARTFCR_FIFOEN		(1 << 0)	/* Enable the Tx/Rx FIFO */

/* Line Control Register bits */
#define UARTLCR_DLAB		(1 << 7)	/* Divisor Latch Access */
#define UARTLCR_SETB		(1 << 6)	/* Set BREAK Condition */
#define UARTLCR_SETP		(1 << 5)	/* Set Parity to LCR[4] */
#define UARTLCR_EVEN		(1 << 4)	/* Even Parity Format */
#define UARTLCR_PAR		(1 << 3)	/* Parity */
#define UARTLCR_STOP		(1 << 2)	/* Stop Bit */
#define UARTLCR_WORDSZ_5	0		/* Word Length of 5 */
#define UARTLCR_WORDSZ_6	1		/* Word Length of 6 */
#define UARTLCR_WORDSZ_7	2		/* Word Length of 7 */
#define UARTLCR_WORDSZ_8	3		/* Word Length of 8 */

/* Line Status Register bits */
#define UARTLSR_TXFIFOFULL	(1 << 11)	/* Tx Fifo Full */

/* UART Control Register bits */
#define UART_CTRL_RXFIFO_RESET	(1 << 14)
#define UART_CTRL_TXFIFO_RESET	(1 << 15)

#endif	/* __A3700_CONSOLE_H__ */