linux/include/asm-ppc64/serial.h

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/*
* include/asm-ppc64/serial.h
*/
#ifndef _PPC64_SERIAL_H
#define _PPC64_SERIAL_H
/*
* This assumes you have a 1.8432 MHz clock for your UART.
*
* It'd be nice if someone built a serial card with a 24.576 MHz
* clock, since the 16550A is capable of handling a top speed of 1.5
* megabits/second; but this requires the faster clock.
*
* 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.
*/
/* Default baud base if not found in device-tree */
#define BASE_BAUD ( 1843200 / 16 )
#endif /* _PPC64_SERIAL_H */