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 13 struct 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
