68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Embedded Alley Solutions, source@embeddedalley.com.
|
|
*/
|
|
|
|
#ifndef _LINUX_SERIAL_PNX8XXX_H
|
|
#define _LINUX_SERIAL_PNX8XXX_H
|
|
|
|
#include <linux/serial_core.h>
|
|
|
|
#define PNX8XXX_NR_PORTS 2
|
|
|
|
struct pnx8xxx_port {
|
|
struct uart_port port;
|
|
struct timer_list timer;
|
|
unsigned int old_status;
|
|
};
|
|
|
|
/* register offsets */
|
|
#define PNX8XXX_LCR 0
|
|
#define PNX8XXX_MCR 0x004
|
|
#define PNX8XXX_BAUD 0x008
|
|
#define PNX8XXX_CFG 0x00c
|
|
#define PNX8XXX_FIFO 0x028
|
|
#define PNX8XXX_ISTAT 0xfe0
|
|
#define PNX8XXX_IEN 0xfe4
|
|
#define PNX8XXX_ICLR 0xfe8
|
|
#define PNX8XXX_ISET 0xfec
|
|
#define PNX8XXX_PD 0xff4
|
|
#define PNX8XXX_MID 0xffc
|
|
|
|
#define PNX8XXX_UART_LCR_TXBREAK (1<<30)
|
|
#define PNX8XXX_UART_LCR_PAREVN 0x10000000
|
|
#define PNX8XXX_UART_LCR_PAREN 0x08000000
|
|
#define PNX8XXX_UART_LCR_2STOPB 0x04000000
|
|
#define PNX8XXX_UART_LCR_8BIT 0x01000000
|
|
#define PNX8XXX_UART_LCR_TX_RST 0x00040000
|
|
#define PNX8XXX_UART_LCR_RX_RST 0x00020000
|
|
#define PNX8XXX_UART_LCR_RX_NEXT 0x00010000
|
|
|
|
#define PNX8XXX_UART_MCR_SCR 0xFF000000
|
|
#define PNX8XXX_UART_MCR_DCD 0x00800000
|
|
#define PNX8XXX_UART_MCR_CTS 0x00100000
|
|
#define PNX8XXX_UART_MCR_LOOP 0x00000010
|
|
#define PNX8XXX_UART_MCR_RTS 0x00000002
|
|
#define PNX8XXX_UART_MCR_DTR 0x00000001
|
|
|
|
#define PNX8XXX_UART_INT_TX 0x00000080
|
|
#define PNX8XXX_UART_INT_EMPTY 0x00000040
|
|
#define PNX8XXX_UART_INT_RCVTO 0x00000020
|
|
#define PNX8XXX_UART_INT_RX 0x00000010
|
|
#define PNX8XXX_UART_INT_RXOVRN 0x00000008
|
|
#define PNX8XXX_UART_INT_FRERR 0x00000004
|
|
#define PNX8XXX_UART_INT_BREAK 0x00000002
|
|
#define PNX8XXX_UART_INT_PARITY 0x00000001
|
|
#define PNX8XXX_UART_INT_ALLRX 0x0000003F
|
|
#define PNX8XXX_UART_INT_ALLTX 0x000000C0
|
|
|
|
#define PNX8XXX_UART_FIFO_TXFIFO 0x001F0000
|
|
#define PNX8XXX_UART_FIFO_TXFIFO_STA (0x1f<<16)
|
|
#define PNX8XXX_UART_FIFO_RXBRK 0x00008000
|
|
#define PNX8XXX_UART_FIFO_RXFE 0x00004000
|
|
#define PNX8XXX_UART_FIFO_RXPAR 0x00002000
|
|
#define PNX8XXX_UART_FIFO_RXFIFO 0x00001F00
|
|
#define PNX8XXX_UART_FIFO_RBRTHR 0x000000FF
|
|
|
|
#endif
|