1 /* 2 * OpenRISC Linux 3 * 4 * Linux architectural port borrowing liberally from similar works of 5 * others. All original copyrights apply as per the original source 6 * declaration. 7 * 8 * OpenRISC implementation: 9 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> 10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> 11 * et al. 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of the GNU General Public License as published by 15 * the Free Software Foundation; either version 2 of the License, or 16 * (at your option) any later version. 17 */ 18 19 #ifndef __ASM_OPENRISC_SERIAL_H 20 #define __ASM_OPENRISC_SERIAL_H 21 22 #ifdef __KERNEL__ 23 24 #include <asm/cpuinfo.h> 25 26 /* There's a generic version of this file, but it assumes a 1.8MHz UART clk... 27 * this, on the other hand, assumes the UART clock is tied to the system 28 * clock... 8250_early.c (early 8250 serial console) actually uses this, so 29 * it needs to be correct to get the early console working. 30 */ 31 32 #define BASE_BAUD (cpuinfo_or1k[smp_processor_id()].clock_frequency/16) 33 34 #endif /* __KERNEL__ */ 35 36 #endif /* __ASM_OPENRISC_SERIAL_H */ 37