1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * Embedded Alley Solutions, source@embeddedalley.com. 4 */ 5 6#ifndef _LINUX_SERIAL_PNX8XXX_H 7#define _LINUX_SERIAL_PNX8XXX_H 8 9#include <linux/serial_core.h> 10 11#define PNX8XXX_NR_PORTS 2 12 13struct pnx8xxx_port { 14 struct uart_port port; 15 struct timer_list timer; 16 unsigned int old_status; 17}; 18 19/* register offsets */ 20#define PNX8XXX_LCR 0 21#define PNX8XXX_MCR 0x004 22#define PNX8XXX_BAUD 0x008 23#define PNX8XXX_CFG 0x00c 24#define PNX8XXX_FIFO 0x028 25#define PNX8XXX_ISTAT 0xfe0 26#define PNX8XXX_IEN 0xfe4 27#define PNX8XXX_ICLR 0xfe8 28#define PNX8XXX_ISET 0xfec 29#define PNX8XXX_PD 0xff4 30#define PNX8XXX_MID 0xffc 31 32#define PNX8XXX_UART_LCR_TXBREAK (1<<30) 33#define PNX8XXX_UART_LCR_PAREVN 0x10000000 34#define PNX8XXX_UART_LCR_PAREN 0x08000000 35#define PNX8XXX_UART_LCR_2STOPB 0x04000000 36#define PNX8XXX_UART_LCR_8BIT 0x01000000 37#define PNX8XXX_UART_LCR_TX_RST 0x00040000 38#define PNX8XXX_UART_LCR_RX_RST 0x00020000 39#define PNX8XXX_UART_LCR_RX_NEXT 0x00010000 40 41#define PNX8XXX_UART_MCR_SCR 0xFF000000 42#define PNX8XXX_UART_MCR_DCD 0x00800000 43#define PNX8XXX_UART_MCR_CTS 0x00100000 44#define PNX8XXX_UART_MCR_LOOP 0x00000010 45#define PNX8XXX_UART_MCR_RTS 0x00000002 46#define PNX8XXX_UART_MCR_DTR 0x00000001 47 48#define PNX8XXX_UART_INT_TX 0x00000080 49#define PNX8XXX_UART_INT_EMPTY 0x00000040 50#define PNX8XXX_UART_INT_RCVTO 0x00000020 51#define PNX8XXX_UART_INT_RX 0x00000010 52#define PNX8XXX_UART_INT_RXOVRN 0x00000008 53#define PNX8XXX_UART_INT_FRERR 0x00000004 54#define PNX8XXX_UART_INT_BREAK 0x00000002 55#define PNX8XXX_UART_INT_PARITY 0x00000001 56#define PNX8XXX_UART_INT_ALLRX 0x0000003F 57#define PNX8XXX_UART_INT_ALLTX 0x000000C0 58 59#define PNX8XXX_UART_FIFO_TXFIFO 0x001F0000 60#define PNX8XXX_UART_FIFO_TXFIFO_STA (0x1f<<16) 61#define PNX8XXX_UART_FIFO_RXBRK 0x00008000 62#define PNX8XXX_UART_FIFO_RXFE 0x00004000 63#define PNX8XXX_UART_FIFO_RXPAR 0x00002000 64#define PNX8XXX_UART_FIFO_RXFIFO 0x00001F00 65#define PNX8XXX_UART_FIFO_RBRTHR 0x000000FF 66 67#endif 68