Add support for the early timer so we can use tracing with sandbox again.
Signed-off-by: Simon Glass <s...@chromium.org>
---
Changes in v2:
- Use SANDBOX_TIMER_RATE instead of an open-coded value
drivers/timer/sandbox_timer.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/drivers/timer/sandbox_timer.c b/drivers/timer/sandbox_timer.c
index a8da936..6a6411a 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;
}
--
2.7.0.rc3.207.g0ac5344
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