diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ptp.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_ptp.c | 71 |
1 files changed, 70 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c index 79ec8727388b..b65114ff487b 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c @@ -310,6 +310,15 @@ ice_ptp_read_src_clk_reg(struct ice_pf *pf, struct ptp_system_timestamp *sts) /* Read the system timestamp pre PHC read */ ptp_read_system_prets(sts); + if (hw->mac_type == ICE_MAC_E830) { + u64 clk_time = rd64(hw, E830_GLTSYN_TIME_L(tmr_idx)); + + /* Read the system timestamp post PHC read */ + ptp_read_system_postts(sts); + + return clk_time; + } + lo = rd32(hw, GLTSYN_TIME_L(tmr_idx)); /* Read the system timestamp post PHC read */ @@ -1305,6 +1314,7 @@ ice_ptp_port_phy_stop(struct ice_ptp_port *ptp_port) switch (hw->mac_type) { case ICE_MAC_E810: + case ICE_MAC_E830: err = 0; break; case ICE_MAC_GENERIC: @@ -1351,6 +1361,7 @@ ice_ptp_port_phy_restart(struct ice_ptp_port *ptp_port) switch (hw->mac_type) { case ICE_MAC_E810: + case ICE_MAC_E830: err = 0; break; case ICE_MAC_GENERIC: @@ -1418,7 +1429,8 @@ void ice_ptp_link_change(struct ice_pf *pf, bool linkup) switch (hw->mac_type) { case ICE_MAC_E810: - /* Do not reconfigure E810 PHY */ + case ICE_MAC_E830: + /* Do not reconfigure E810 or E830 PHY */ return; case ICE_MAC_GENERIC: case ICE_MAC_GENERIC_3K_E825: @@ -1451,6 +1463,7 @@ static int ice_ptp_cfg_phy_interrupt(struct ice_pf *pf, bool ena, u32 threshold) switch (hw->mac_type) { case ICE_MAC_E810: + case ICE_MAC_E830: return 0; case ICE_MAC_GENERIC: { int quad; @@ -2202,6 +2215,21 @@ static const struct ice_crosststamp_cfg ice_crosststamp_cfg_e82x = { .dev_time_h[1] = GLTSYN_HHTIME_H(1), }; +#ifdef CONFIG_ICE_HWTS +static const struct ice_crosststamp_cfg ice_crosststamp_cfg_e830 = { + .lock_reg = E830_PFPTM_SEM, + .lock_busy = E830_PFPTM_SEM_BUSY_M, + .ctl_reg = E830_GLPTM_ART_CTL, + .ctl_active = E830_GLPTM_ART_CTL_ACTIVE_M, + .art_time_l = E830_GLPTM_ART_TIME_L, + .art_time_h = E830_GLPTM_ART_TIME_H, + .dev_time_l[0] = E830_GLTSYN_PTMTIME_L(0), + .dev_time_h[0] = E830_GLTSYN_PTMTIME_H(0), + .dev_time_l[1] = E830_GLTSYN_PTMTIME_L(1), + .dev_time_h[1] = E830_GLTSYN_PTMTIME_H(1), +}; + +#endif /* CONFIG_ICE_HWTS */ /** * struct ice_crosststamp_ctx - Device cross timestamp context * @snapshot: snapshot of system clocks for historic interpolation @@ -2323,6 +2351,11 @@ static int ice_ptp_getcrosststamp(struct ptp_clock_info *info, case ICE_MAC_GENERIC_3K_E825: ctx.cfg = &ice_crosststamp_cfg_e82x; break; +#ifdef CONFIG_ICE_HWTS + case ICE_MAC_E830: + ctx.cfg = &ice_crosststamp_cfg_e830; + break; +#endif /* CONFIG_ICE_HWTS */ default: return -EOPNOTSUPP; } @@ -2659,6 +2692,28 @@ err: } /** + * ice_ptp_set_funcs_e830 - Set specialized functions for E830 support + * @pf: Board private structure + * + * Assign functions to the PTP capabiltiies structure for E830 devices. + * Functions which operate across all device families should be set directly + * in ice_ptp_set_caps. Only add functions here which are distinct for E830 + * devices. + */ +static void ice_ptp_set_funcs_e830(struct ice_pf *pf) +{ +#ifdef CONFIG_ICE_HWTS + if (pcie_ptm_enabled(pf->pdev) && boot_cpu_has(X86_FEATURE_ART)) + pf->ptp.info.getcrosststamp = ice_ptp_getcrosststamp; + +#endif /* CONFIG_ICE_HWTS */ + /* Rest of the config is the same as base E810 */ + pf->ptp.ice_pin_desc = ice_pin_desc_e810; + pf->ptp.info.n_pins = ICE_PIN_DESC_ARR_LEN(ice_pin_desc_e810); + ice_ptp_setup_pin_cfg(pf); +} + +/** * ice_ptp_set_caps - Set PTP capabilities * @pf: Board private structure */ @@ -2684,6 +2739,9 @@ static void ice_ptp_set_caps(struct ice_pf *pf) case ICE_MAC_E810: ice_ptp_set_funcs_e810(pf); return; + case ICE_MAC_E830: + ice_ptp_set_funcs_e830(pf); + return; case ICE_MAC_GENERIC: case ICE_MAC_GENERIC_3K_E825: ice_ptp_set_funcs_e82x(pf); @@ -2844,6 +2902,16 @@ irqreturn_t ice_ptp_ts_irq(struct ice_pf *pf) set_bit(ICE_MISC_THREAD_TX_TSTAMP, pf->misc_thread); return IRQ_WAKE_THREAD; + case ICE_MAC_E830: + /* E830 can read timestamps in the top half using rd32() */ + if (ice_ptp_process_ts(pf) == ICE_TX_TSTAMP_WORK_PENDING) { + /* Process outstanding Tx timestamps. If there + * is more work, re-arm the interrupt to trigger again. + */ + wr32(hw, PFINT_OICR, PFINT_OICR_TSYN_TX_M); + ice_flush(hw); + } + return IRQ_HANDLED; default: return IRQ_HANDLED; } @@ -3229,6 +3297,7 @@ static int ice_ptp_init_port(struct ice_pf *pf, struct ice_ptp_port *ptp_port) switch (hw->mac_type) { case ICE_MAC_E810: + case ICE_MAC_E830: case ICE_MAC_GENERIC_3K_E825: return ice_ptp_init_tx(pf, &ptp_port->tx, ptp_port->port_num); case ICE_MAC_GENERIC: |