diff options
Diffstat (limited to 'arch/sandbox/board/clock.c')
-rw-r--r-- | arch/sandbox/board/clock.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/sandbox/board/clock.c b/arch/sandbox/board/clock.c new file mode 100644 index 0000000000..b15086432c --- /dev/null +++ b/arch/sandbox/board/clock.c @@ -0,0 +1,48 @@ +/* + * clock.c - wrapper between a barebox clocksource and linux + * + * Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <common.h> +#include <init.h> +#include <clock.h> +#include <mach/linux.h> + +static uint64_t linux_clocksource_read(void) +{ + return linux_get_time(); +} + +static struct clocksource cs = { + .read = linux_clocksource_read, + .mask = 0xffffffff, + .shift = 10, +}; + +static int clocksource_init (void) +{ + cs.mult = clocksource_hz2mult(1000 * 1000 * 1000, cs.shift); + + init_clock(&cs); + + return 0; +} + +core_initcall(clocksource_init); |