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62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/* Blackfin Universal Asynchronous Receiver/Transmitter (UART) model.
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For "old style" UARTs on BF53x/etc... parts.
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Copyright (C) 2010-2017 Free Software Foundation, Inc.
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Contributed by Analog Devices, Inc.
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This file is part of simulators.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef DV_BFIN_UART_H
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#define DV_BFIN_UART_H
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struct bfin_uart;
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bu16 bfin_uart_get_next_byte (struct hw *, bu16, bu16, bool *fresh);
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bu16 bfin_uart_write_byte (struct hw *, bu16, bu16);
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bu16 bfin_uart_get_status (struct hw *);
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unsigned bfin_uart_write_buffer (struct hw *, const unsigned char *, unsigned);
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unsigned bfin_uart_read_buffer (struct hw *, unsigned char *, unsigned);
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void bfin_uart_reschedule (struct hw *);
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/* UART_LCR */
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#define DLAB (1 << 7)
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/* UART_LSR */
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#define TFI (1 << 7)
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#define TEMT (1 << 6)
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#define THRE (1 << 5)
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#define BI (1 << 4)
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#define FE (1 << 3)
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#define PE (1 << 2)
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#define OE (1 << 1)
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#define DR (1 << 0)
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/* UART_IER */
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#define ERBFI (1 << 0)
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#define ETBEI (1 << 1)
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#define ELSI (1 << 2)
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/* UART_MCR */
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#define XOFF (1 << 0)
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#define MRTS (1 << 1)
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#define RFIT (1 << 2)
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#define RFRT (1 << 3)
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#define LOOP_ENA (1 << 4)
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#define FCPOL (1 << 5)
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#define ARTS (1 << 6)
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#define ACTS (1 << 7)
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#endif
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