On Thu, Jul 21, 2022 at 6:30 PM Jun Nie jun.nie@linaro.org wrote:

With supporting timer_get_boot_us, we can profile boot up time with below configs and function bootstage_mark_name().

CONFIG_BOOTSTAGE=y CONFIG_BOOTSTAGE_REPORT=y CONFIG_CMD_BOOTSTAGE=y

Signed-off-by: Jun Nie jun.nie@linaro.org

FWIW, it also fixes boot failure when bootstage is enabled.

Acked-by: Shawn Guo shawn.guo@linaro.org

Shawn

---

arch/arm/mach-imx/syscounter.c | 9 +++++++++ 1 file changed, 9 insertions(+)

diff --git a/arch/arm/mach-imx/syscounter.c b/arch/arm/mach-imx/syscounter.c index 7c02e199a3..df478a2326 100644 --- a/arch/arm/mach-imx/syscounter.c +++ b/arch/arm/mach-imx/syscounter.c @@ -79,6 +79,7 @@ int timer_init(void) gd->arch.tbl = 0; gd->arch.tbu = 0;

•   gd->arch.timer_rate_hz = freq;
    return 0;
  

} #endif @@ -100,6 +101,14 @@ ulong get_timer(ulong base) return tick_to_time(get_ticks()) - base; }

+ulong timer_get_boot_us(void) +{

•   if (!gd->arch.timer_rate_hz)
  

•           timer_init();
  

•   return tick_to_time(get_ticks());
  

+}

void __udelay(unsigned long usec) { unsigned long long tmp; -- 2.25.1