It is not yet clear how to read the timer via EFI. The current value seems much too high on a Framework laptop I tried. Adjust it to a lower hard-coded value for now.
Signed-off-by: Simon Glass sjg@chromium.org ---
drivers/timer/tsc_timer.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/timer/tsc_timer.c b/drivers/timer/tsc_timer.c index 50ab4e86dca..44c6cc363e0 100644 --- a/drivers/timer/tsc_timer.c +++ b/drivers/timer/tsc_timer.c @@ -404,6 +404,10 @@ static void tsc_timer_ensure_setup(bool early) if (!gd->arch.clock_rate) { unsigned long fast_calibrate;
+ if (IS_ENABLED(CONFIG_EFI_APP)) { + fast_calibrate = 2750; + goto done; + } fast_calibrate = native_calibrate_tsc(); if (fast_calibrate) goto done;