diff options
Diffstat (limited to 'payloads/libpayload/drivers/timer/img_pistachio.c')
-rw-r--r-- | payloads/libpayload/drivers/timer/img_pistachio.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/timer/img_pistachio.c b/payloads/libpayload/drivers/timer/img_pistachio.c new file mode 100644 index 0000000000..dcfe555a73 --- /dev/null +++ b/payloads/libpayload/drivers/timer/img_pistachio.c @@ -0,0 +1,36 @@ +/* + * This file is part of the libpayload project. + * + * Copyright (C) 2014 Imagination Technologies + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <libpayload.h> +#include <arch/cpu.h> + +static int get_timer_speed_khz(void) +{ + return get_cpu_speed()/2; +} + +uint64_t timer_hz(void) +{ + return lib_sysinfo.cpu_khz * 1000; +} + +uint64_t timer_raw_value(void) +{ + return read_c0_count()/(get_timer_speed_khz()/1000); +} |