diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c index a0352fa873d9..5512e3c630c3 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c @@ -252,6 +252,26 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans, iwl_set_bit(trans, CSR_CTXT_INFO_BOOT_CTRL, CSR_AUTO_FUNC_BOOT_ENA); + + if (trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_AX210) { + /* + * The firmware initializes this again later (to a smaller + * value), but for the boot process initialize the LTR to + * ~250 usec. + */ + u32 val = CSR_LTR_LONG_VAL_AD_NO_SNOOP_REQ | + u32_encode_bits(CSR_LTR_LONG_VAL_AD_SCALE_USEC, + CSR_LTR_LONG_VAL_AD_NO_SNOOP_SCALE) | + u32_encode_bits(250, + CSR_LTR_LONG_VAL_AD_NO_SNOOP_VAL) | + CSR_LTR_LONG_VAL_AD_SNOOP_REQ | + u32_encode_bits(CSR_LTR_LONG_VAL_AD_SCALE_USEC, + CSR_LTR_LONG_VAL_AD_SNOOP_SCALE) | + u32_encode_bits(250, CSR_LTR_LONG_VAL_AD_SNOOP_VAL); + + iwl_write32(trans, CSR_LTR_LONG_VAL_AD, val); + } + if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) iwl_write_umac_prph(trans, UREG_CPU_INIT_RUN, 1); else |