2 * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
3 * JZ4740 serial support
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version.
10 * You should have received a copy of the GNU General Public License along
11 * with this program; if not, write to the Free Software Foundation, Inc.,
12 * 675 Mass Ave, Cambridge, MA 02139, USA.
17 #include <linux/serial_core.h>
18 #include <linux/serial_reg.h>
20 void jz4740_serial_out(struct uart_port
*p
, int offset
, int value
)
24 value
|= 0x10; /* Enable uart module */
27 value
|= (value
& 0x4) << 2;
32 writeb(value
, p
->membase
+ (offset
<< p
->regshift
));
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