[mirror_ubuntu-jammy-kernel.git] / arch / openrisc / include / asm / serial.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * OpenRISC Linux
 *
 * Linux architectural port borrowing liberally from similar works of
 * others.  All original copyrights apply as per the original source
 * declaration.
 *
 * OpenRISC implementation:
 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
 * et al.
 */

#ifndef __ASM_OPENRISC_SERIAL_H
#define __ASM_OPENRISC_SERIAL_H

#ifdef __KERNEL__

#include <asm/cpuinfo.h>

/* There's a generic version of this file, but it assumes a 1.8MHz UART clk...
 * this, on the other hand, assumes the UART clock is tied to the system
 * clock... 8250_early.c (early 8250 serial console) actually uses this, so
 * it needs to be correct to get the early console working.
 */

#define BASE_BAUD (cpuinfo_or1k[smp_processor_id()].clock_frequency/16)

#endif /* __KERNEL__ */

#endif /* __ASM_OPENRISC_SERIAL_H */
Commit	Line	Data
2874c5fd	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
58e0166a JB	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.
58e0166a JB	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
8e6d08e0	28	#define BASE_BAUD (cpuinfo_or1k[smp_processor_id()].clock_frequency/16)
58e0166a JB	29
	30	#endif /* __KERNEL__ */
	31
	32	#endif /* __ASM_OPENRISC_SERIAL_H */