diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ptp_hw.c')
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c index 859805012387..bcc280094f7f 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c @@ -214,6 +214,21 @@ int ice_ptp_init_phy_e810(struct ice_hw *hw) } /** + * ice_ptp_init_phc_e810 - Perform E810 specific PHC initialization + * @hw: pointer to HW struct + * + * Perform E810-specific PTP hardware clock initialization steps. + */ +static int ice_ptp_init_phc_e810(struct ice_hw *hw) +{ + /* Ensure synchronization delay is zero */ + wr32(hw, GLTSYN_SYNC_DLAY, 0); + + /* Initialize the PHY */ + return ice_ptp_init_phy_e810(hw); +} + +/** * ice_ptp_prep_phy_time_e810 - Prepare PHY port with initial time * @hw: Board private structure * @time: Time to initialize the PHY port clock to @@ -800,3 +815,22 @@ bool ice_is_pca9575_present(struct ice_hw *hw) return !status && handle; } + +/** + * ice_ptp_init_phc - Initialize PTP hardware clock + * @hw: pointer to the HW struct + * + * Perform the steps required to initialize the PTP hardware clock. + */ +int ice_ptp_init_phc(struct ice_hw *hw) +{ + u8 src_idx = hw->func_caps.ts_func_info.tmr_index_owned; + + /* Enable source clocks */ + wr32(hw, GLTSYN_ENA(src_idx), GLTSYN_ENA_TSYN_ENA_M); + + /* Clear event err indications for auxiliary pins */ + (void)rd32(hw, GLTSYN_STAT(src_idx)); + + return ice_ptp_init_phc_e810(hw); +} |