ice: ensure the hardware Clock Generation Unit is configured

Browse source

The E822 device has a Clock Generation Unit (CGU) responsible for
determining the clock frequency that drives the timers.

Ensure this function is initialized when bringing up the PTP support, so
that the clock has a known frequency.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Gurucharan G <gurucharanx.g@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

...

This commit is contained in:

Jacob Keller 2021-10-13 08:55:58 -07:00 • committed by Tony Nguyen

parent 3a7496234d

commit b111ab5a11

4 changed files with 500 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

116

drivers/net/ethernet/intel/ice/ice_cgu_regs.h

View file

74

drivers/net/ethernet/intel/ice/ice_ptp_consts.h

View file

290

drivers/net/ethernet/intel/ice/ice_ptp_hw.c

View file

20

drivers/net/ethernet/intel/ice/ice_ptp_hw.h

View file