1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * OpenRISC Linux 4 * 5 * Linux architectural port borrowing liberally from similar works of 6 * others. All original copyrights apply as per the original source 7 * declaration. 8 * 9 * OpenRISC implementation: 10 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> 11 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> 12 * et al. 13 */ 14 15 #ifndef __ASM_OPENRISC_SERIAL_H 16 #define __ASM_OPENRISC_SERIAL_H 17 18 #ifdef __KERNEL__ 19 20 #include <asm/cpuinfo.h> 21 22 /* There's a generic version of this file, but it assumes a 1.8MHz UART clk... 23 * this, on the other hand, assumes the UART clock is tied to the system 24 * clock... 8250_early.c (early 8250 serial console) actually uses this, so 25 * it needs to be correct to get the early console working. 26 */ 27 28 #define BASE_BAUD (cpuinfo_or1k[smp_processor_id()].clock_frequency/16) 29 30 #endif /* __KERNEL__ */ 31 32 #endif /* __ASM_OPENRISC_SERIAL_H */ 33