| // 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; |
| } |
| |
