u-boot/arch/sh/lib/time.c
Marek Vasut 0e286c529f sh: tmu: Zap get_tbclk and timer_read_counter
Replace those two functions with generic ones by defining the
timer macros in include/config/*.h .

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
2018-09-15 03:19:07 +02:00

39 lines
841 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2009
* Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
*
* (C) Copyright 2007-2012
* Nobobuhiro Iwamatsu <iwamatsu@nigauri.org>
*
* (C) Copyright 2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*/
#include <common.h>
#include <asm/processor.h>
#include <asm/io.h>
#if defined(CONFIG_CPU_SH3)
#define TSTR 0x2
#define TCR0 0xc
#endif /* CONFIG_CPU_SH3 */
#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_RMOBILE)
#define TSTR 0x4
#define TCR0 0x10
#endif /* CONFIG_CPU_SH4 */
#define TCR_TPSC 0x07
#define TSTR_STR0 BIT(0)
int timer_init(void)
{
writew(readw(TMU_BASE + TCR0) & ~TCR_TPSC, TMU_BASE + TCR0);
writeb(readb(TMU_BASE + TSTR) & ~TSTR_STR0, TMU_BASE + TSTR);
writeb(readb(TMU_BASE + TSTR) | TSTR_STR0, TMU_BASE + TSTR);
return 0;
}