aw_pwm: ensure sane configuration, just in case
Make sure that the hardware is configured to cycle mode and that the bypass is disabled. MFC after: 2 weeks
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6957a14075
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=366141
@ -290,6 +290,13 @@ aw_pwm_channel_config(device_t dev, u_int channel, u_int period, u_int duty)
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/* Write the prescalar */
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/* Write the prescalar */
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reg &= ~AW_PWM_CTRL_PRESCALE_MASK;
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reg &= ~AW_PWM_CTRL_PRESCALE_MASK;
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reg |= prescaler;
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reg |= prescaler;
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reg &= ~AW_PWM_CTRL_MODE_MASK;
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reg |= AW_PWM_CTRL_CYCLE_MODE;
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reg &= ~AW_PWM_CTRL_PULSE_START;
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reg &= ~AW_PWM_CTRL_CLK_BYPASS;
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AW_PWM_WRITE(sc, AW_PWM_CTRL, reg);
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AW_PWM_WRITE(sc, AW_PWM_CTRL, reg);
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/* Write the total/active cycles */
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/* Write the total/active cycles */
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