diff options
author | Simon Glass <sjg@chromium.org> | 2016-02-24 19:14:51 +0300 |
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committer | Simon Glass <sjg@chromium.org> | 2016-02-26 18:53:10 +0300 |
commit | 01476eaf07514412cb9d8da6ddaf623d6b14d008 (patch) | |
tree | ba6349f1ca1daa3f45ba22c7181f9b1c641dd95c /drivers/timer/sandbox_timer.c | |
parent | 1057e6cfe12bf71394fe02e0939f232417882f90 (diff) | |
download | u-boot-01476eaf07514412cb9d8da6ddaf623d6b14d008.tar.xz |
sandbox: timer: Support the early timer
Add support for the early timer so we can use tracing with sandbox again.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/timer/sandbox_timer.c')
-rw-r--r-- | drivers/timer/sandbox_timer.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/timer/sandbox_timer.c b/drivers/timer/sandbox_timer.c index a8da936349..6a6411afeb 100644 --- a/drivers/timer/sandbox_timer.c +++ b/drivers/timer/sandbox_timer.c @@ -10,6 +10,8 @@ #include <timer.h> #include <os.h> +#define SANDBOX_TIMER_RATE 1000000 + /* system timer offset in ms */ static unsigned long sandbox_timer_offset; @@ -18,9 +20,19 @@ void sandbox_timer_add_offset(unsigned long offset) sandbox_timer_offset += offset; } -static int sandbox_timer_get_count(struct udevice *dev, u64 *count) +u64 notrace timer_early_get_count(void) +{ + return os_get_nsec() / 1000 + sandbox_timer_offset * 1000; +} + +unsigned long notrace timer_early_get_rate(void) +{ + return SANDBOX_TIMER_RATE; +} + +static notrace int sandbox_timer_get_count(struct udevice *dev, u64 *count) { - *count = os_get_nsec() / 1000 + sandbox_timer_offset * 1000; + *count = timer_early_get_count(); return 0; } @@ -30,7 +42,7 @@ static int sandbox_timer_probe(struct udevice *dev) struct timer_dev_priv *uc_priv = dev_get_uclass_priv(dev); if (!uc_priv->clock_rate) - uc_priv->clock_rate = 1000000; + uc_priv->clock_rate = SANDBOX_TIMER_RATE; return 0; } |