62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/* Blackfin Universal Asynchronous Receiver/Transmitter (UART) model.
|
|
For "old style" UARTs on BF53x/etc... parts.
|
|
|
|
Copyright (C) 2010-2011 Free Software Foundation, Inc.
|
|
Contributed by Analog Devices, Inc.
|
|
|
|
This file is part of simulators.
|
|
|
|
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 3 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.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef DV_BFIN_UART_H
|
|
#define DV_BFIN_UART_H
|
|
|
|
struct bfin_uart;
|
|
bu16 bfin_uart_get_next_byte (struct hw *, bu16, bu16, bool *fresh);
|
|
bu16 bfin_uart_write_byte (struct hw *, bu16, bu16);
|
|
bu16 bfin_uart_get_status (struct hw *);
|
|
unsigned bfin_uart_write_buffer (struct hw *, const unsigned char *, unsigned);
|
|
unsigned bfin_uart_read_buffer (struct hw *, unsigned char *, unsigned);
|
|
void bfin_uart_reschedule (struct hw *);
|
|
|
|
/* UART_LCR */
|
|
#define DLAB (1 << 7)
|
|
|
|
/* UART_LSR */
|
|
#define TFI (1 << 7)
|
|
#define TEMT (1 << 6)
|
|
#define THRE (1 << 5)
|
|
#define BI (1 << 4)
|
|
#define FE (1 << 3)
|
|
#define PE (1 << 2)
|
|
#define OE (1 << 1)
|
|
#define DR (1 << 0)
|
|
|
|
/* UART_IER */
|
|
#define ERBFI (1 << 0)
|
|
#define ETBEI (1 << 1)
|
|
#define ELSI (1 << 2)
|
|
|
|
/* UART_MCR */
|
|
#define XOFF (1 << 0)
|
|
#define MRTS (1 << 1)
|
|
#define RFIT (1 << 2)
|
|
#define RFRT (1 << 3)
|
|
#define LOOP_ENA (1 << 4)
|
|
#define FCPOL (1 << 5)
|
|
#define ARTS (1 << 6)
|
|
#define ACTS (1 << 7)
|
|
|
|
#endif
|