rcar_pwm_update
rcar_pwm_update(rp, RCAR_PWMCR_EN0, RCAR_PWMCR_EN0, RCAR_PWMCR);
rcar_pwm_update(rp, RCAR_PWMCR_EN0, 0, RCAR_PWMCR);
rcar_pwm_update(rp, RCAR_PWMCR_SYNC, RCAR_PWMCR_SYNC, RCAR_PWMCR);
rcar_pwm_update(rp, RCAR_PWMCR_SYNC, 0, RCAR_PWMCR);