Use the new separate init function so that we can make use of the timer
before driver model is started up.
Signed-off-by: Simon Glass <s...@chromium.org>
---
drivers/timer/tsc_timer.c | 20 +++++++++++++++-----
1 file changed, 15 insertions(+), 5 deletions(-)
diff --git a/drivers/timer/tsc_timer.c b/drivers/timer/tsc_timer.c
index 9f1cfb1242..91e5cb11c1 100644
--- a/drivers/timer/tsc_timer.c
+++ b/drivers/timer/tsc_timer.c
@@ -301,11 +301,6 @@ ulong notrace timer_get_us(void)
return get_ticks() / get_tbclk_mhz();
}
-ulong timer_get_boot_us(void)
-{
- return timer_get_us();
-}
-
void __udelay(unsigned long usec)
{
u64 now = get_ticks();
@@ -368,6 +363,21 @@ static int tsc_timer_probe(struct udevice *dev)
return 0;
}
+ulong timer_get_boot_us(void)
+{
+ if (!gd->timer) {
+ u64 now_tick;
+
+ tsc_timer_ensure_setup();
+ now_tick = rdtsc();
+
+ now_tick -= gd->arch.tsc_base;
+ return now_tick / (gd->arch.clock_rate / 1000000);
+ }
+
+ return timer_get_us();
+}
+
static const struct timer_ops tsc_timer_ops = {
.get_count = tsc_timer_get_count,
};
--
2.13.2.932.g7449e964c-goog
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