diff options
Diffstat (limited to 'payloads/libpayload/drivers')
-rw-r--r-- | payloads/libpayload/drivers/Makefile.inc | 2 | ||||
-rw-r--r-- | payloads/libpayload/drivers/timer/img_pistachio.c | 36 |
2 files changed, 38 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/Makefile.inc b/payloads/libpayload/drivers/Makefile.inc index 0fc2faa604..4a569c47bc 100644 --- a/payloads/libpayload/drivers/Makefile.inc +++ b/payloads/libpayload/drivers/Makefile.inc @@ -51,6 +51,8 @@ libc-$(CONFIG_LP_TIMER_RDTSC) += timer/rdtsc.c libc-$(CONFIG_LP_TIMER_TEGRA_1US) += timer/tegra_1us.c libc-$(CONFIG_LP_TIMER_IPQ806X) += timer/ipq806x.c libc-$(CONFIG_LP_TIMER_RK) += timer/rktimer.c +libc-$(CONFIG_LP_TIMER_BG4CD) += timer/bg4cd.c +libc-$(CONFIG_LP_TIMER_IMG_PISTACHIO) += timer/img_pistachio.c # Video console drivers libc-$(CONFIG_LP_VIDEO_CONSOLE) += video/video.c 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); +} |