| /* |
| * drivers/amlogic/uart/meson_uart.h |
| * |
| * Copyright (C) 2017 Amlogic, Inc. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| */ |
| |
| #ifndef _LINUX_AM_UART_H |
| #define _LINUX_AM_UART_H |
| /* #include <mach/am_regs.h> */ |
| |
| #define UART_OVERFLOW_ERR (0x01<<18) |
| #define UART_FRAME_ERR (0x01<<17) |
| #define UART_PARITY_ERR (0x01<<16) |
| |
| #define UART_CLEAR_ERR (0x01<<24) |
| |
| #define UART_RXENB (0x01<<13) |
| #define UART_RXEMPTY (0x01<<20) |
| #define UART_RXFULL (0x01<<19) |
| #define UART_TXENB (0x01<<12) |
| #define UART_TXEMPTY (0x01<<22) |
| #define UART_TXFULL (0x01<<21) |
| |
| #define UART_TXRST (0x01<<22) |
| #define UART_RXRST (0x01<<23) |
| #define UART_RXINT_EN (0x01<<27) |
| #define UART_TXINT_EN (0x01<<28) |
| #define UART_CTS_EN (0x01<<31) |
| #define UART_WFIFO 0 |
| #define UART_RFIFO 1 |
| #define UART_CONTROL 2 |
| #define UART_STATUS 3 |
| #define UART_MISC 4 |
| #define UART_REG5 5 |
| |
| #define P_UART(uart_base, reg) CBUS_REG_ADDR(uart_base+reg) |
| #define P_UART_WFIFO(uart_base) P_UART(uart_base, UART_WFIFO) |
| #define P_UART_RFIFO(uart_base) P_UART(uart_base, UART_RFIFO) |
| |
| #define P_UART_CONTROL(uart_base) P_UART(uart_base, UART_CONTROL) |
| #define UART_CNTL_MASK_BAUD_RATE (0xfff) |
| #define UART_CNTL_MASK_TX_EN (1<<12) |
| #define UART_CNTL_MASK_RX_EN (1<<13) |
| #define UART_CNTL_MASK_2WIRE (1<<15) |
| #define UART_CNTL_MASK_STP_BITS (3<<16) |
| #define UART_CNTL_MASK_STP_1BIT (0<<16) |
| #define UART_CNTL_MASK_STP_2BIT (1<<16) |
| #define UART_CNTL_MASK_PRTY_EVEN (0<<18) |
| #define UART_CNTL_MASK_PRTY_ODD (1<<18) |
| #define UART_CNTL_MASK_PRTY_TYPE (1<<18) |
| #define UART_CNTL_MASK_PRTY_EN (1<<19) |
| #define UART_CNTL_MASK_CHAR_LEN (3<<20) |
| #define UART_CNTL_MASK_CHAR_8BIT (0<<20) |
| #define UART_CNTL_MASK_CHAR_7BIT (1<<20) |
| #define UART_CNTL_MASK_CHAR_6BIT (2<<20) |
| #define UART_CNTL_MASK_CHAR_5BIT (3<<20) |
| #define UART_CNTL_MASK_RST_TX (1<<22) |
| #define UART_CNTL_MASK_RST_RX (1<<23) |
| #define UART_CNTL_MASK_CLR_ERR (1<<24) |
| #define UART_CNTL_MASK_INV_RX (1<<25) |
| #define UART_CNTL_MASK_INV_TX (1<<26) |
| #define UART_CNTL_MASK_RINT_EN (1<<27) |
| #define UART_CNTL_MASK_TINT_EN (1<<28) |
| #define UART_CNTL_MASK_INV_CTS (1<<29) |
| #define UART_CNTL_MASK_MASK_ERR (1<<30) |
| #define UART_CNTL_MASK_INV_RTS (1<<31) |
| #define P_UART_STATUS(uart_base) P_UART(uart_base, UART_STATUS) |
| #define UART_STAT_MASK_RFIFO_CNT (0x7f<<0) |
| #define UART_STAT_MASK_TFIFO_CNT (0x7f<<8) |
| #define UART_STAT_MASK_PRTY_ERR (1<<16) |
| #define UART_STAT_MASK_FRAM_ERR (1<<17) |
| #define UART_STAT_MASK_WFULL_ERR (1<<18) |
| #define UART_STAT_MASK_RFIFO_FULL (1<<19) |
| #define UART_STAT_MASK_RFIFO_EMPTY (1<<20) |
| #define UART_STAT_MASK_TFIFO_FULL (1<<21) |
| #define UART_STAT_MASK_TFIFO_EMPTY (1<<22) |
| #define P_UART_MISC(uart_base) P_UART(uart_base, UART_MISC) |
| |
| |
| #define SERIAL_MAGIC 0x5301 |
| |
| /* |
| * This should be used by drivers which want to register |
| * their own 8250 ports without registering their own |
| * platform device. Using these will make your driver |
| * dependent on the 8250 driver. |
| */ |
| struct uart_port; |
| |
| |
| #endif |
