diff options
Diffstat (limited to 'arch/arm/mach-highbank/timer.c')
-rw-r--r-- | arch/arm/mach-highbank/timer.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-highbank/timer.c b/arch/arm/mach-highbank/timer.c new file mode 100644 index 0000000..d56bf21 --- /dev/null +++ b/arch/arm/mach-highbank/timer.c @@ -0,0 +1,34 @@ +/* + * Copyright 2010-2011 Calxeda, Inc. + * + * Based on arm926ejs/mx27/timer.c + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch-armv7/systimer.h> + +#undef SYSTIMER_BASE +#define SYSTIMER_BASE 0xFFF34000 /* Timer 0 and 1 base */ + +static struct systimer *systimer_base = (struct systimer *)SYSTIMER_BASE; + +/* + * Start the timer + */ +int timer_init(void) +{ + /* + * Setup timer0 + */ + writel(0, &systimer_base->timer0control); + writel(SYSTIMER_RELOAD, &systimer_base->timer0load); + writel(SYSTIMER_RELOAD, &systimer_base->timer0value); + writel(SYSTIMER_EN | SYSTIMER_32BIT | SYSTIMER_PRESC_256, + &systimer_base->timer0control); + + return 0; + +} |