eb175e8bfb
handling. - Extended PWRCTL/PMU APIs to support querying clock frequency during very early boot, prior to bus attach. - Implement generic PMU-based calculation of UART rclk values. - Replaced use of static frequency tables (bcm_socinfo) with runtime-determined values. Approved by: adrian (mentor) Differential Revision: https://reviews.freebsd.org/D7552