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- // 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 <init.h>
- #include <asm/processor.h>
- #include <asm/io.h>
- #include <linux/bitops.h>
- #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;
- }
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