1 files changed, 8 insertions, 0 deletions
diff --git a/os/hal/ports/TIVA/LLD/hal_pwm_lld.c b/os/hal/ports/TIVA/LLD/hal_pwm_lld.c
index b223a9c..ad7c587 100644
--- a/os/hal/ports/TIVA/LLD/hal_pwm_lld.c
+++ b/os/hal/ports/TIVA/LLD/hal_pwm_lld.c
@@ -341,6 +341,10 @@ void pwm_lld_start(PWMDriver *pwmp)
 #if TIVA_PWM_USE_PWM0
     if (&PWMD1 == pwmp) {
       SYSCTL->RCGCPWM |= (1 << 0);
+
+      while (!(SYSCTL->PRPWM & (1 << 0)))
+        ;
+
       nvicEnableVector(TIVA_PWM0FAULT_NUMBER,
                        TIVA_PWM_PWM0_FAULT_IRQ_PRIORITY);
       nvicEnableVector(TIVA_PWM0GEN0_NUMBER, TIVA_PWM_PWM0_0_IRQ_PRIORITY);
@@ -353,6 +357,10 @@ void pwm_lld_start(PWMDriver *pwmp)
 #if TIVA_PWM_USE_PWM1
     if (&PWMD2 == pwmp) {
       SYSCTL->RCGCPWM |= (1 << 1);
+
+      while (!(SYSCTL->PRPWM & (1 << 1)))
+        ;
+
       nvicEnableVector(TIVA_PWM1FAULT_NUMBER,
                        TIVA_PWM_PWM1_FAULT_IRQ_PRIORITY);
       nvicEnableVector(TIVA_PWM1GEN0_NUMBER, TIVA_PWM_PWM1_0_IRQ_PRIORITY);