diff options
| author |   Matti Gottlieb <matti.gottlieb@intel.com> | 2021-08-26 22:47:48 +0300 |
|---|---|---|
| committer |   Luca Coelho <luciano.coelho@intel.com> | 2021-10-22 10:40:58 +0300 |
| commit | 595c230b95130b2bdb1e210f1c4e70faf796764c (patch) | |
| tree | 8679dc17f0868a6bd3ea3a9a834f3c5e4df884da /drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c | |
| parent | iwlwifi: Add support for more BZ HWs (diff) | |
| download | wireguard-linux-595c230b95130b2bdb1e210f1c4e70faf796764c.tar.xz wireguard-linux-595c230b95130b2bdb1e210f1c4e70faf796764c.zip | |
iwlwifi: Start scratch debug register for Bz family
Start scratch debug register for Bz family.
This register is used for FW debug, and the driver
should start this register with a fixed value, during
init, and upon an error, should read it, and add it to
the dump.
Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210826224715.609ad58a49f3.I05c351233601ecc51dddfa5df69ace292216eb95@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c index bf0c32a74ca4..53bc5b7d8d5c 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c @@ -466,13 +466,15 @@ int iwl_trans_pcie_gen2_start_fw(struct iwl_trans *trans, iwl_pcie_set_ltr(trans); - if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) + if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) { + iwl_write32(trans, CSR_FUNC_SCRATCH, CSR_FUNC_SCRATCH_INIT_VALUE); iwl_set_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_ROM_START); - else if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) + } else if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) { iwl_write_umac_prph(trans, UREG_CPU_INIT_RUN, 1); - else + } else { iwl_write_prph(trans, UREG_CPU_INIT_RUN, 1); + } /* re-check RF-Kill state since we may have missed the interrupt */ hw_rfkill = iwl_pcie_check_hw_rf_kill(trans); |