diff options
| author | Luca Coelho <luciano.coelho@intel.com> | 2020-04-24 19:47:01 +0300 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2020-05-08 09:51:55 +0300 |
| commit | 37dee1f18eefd727a2f186ea16c6d76c802d8541 (patch) | |
| tree | 07f634930a17736b025e0db80b2f3c4e8cf092ac /drivers/net/wireless/intel/iwlwifi/mvm/utils.c | |
| parent | a8eb340f2ea48280eb2b7dc5a0e6cfff4928f5a5 (diff) | |
iwlwifi: mvm: add IML/ROM information to the assertion dumps
Dump the IML/ROM error code and data, which are read from some
registers, when printing an assertion dump. This makes it easier to
debug IML/ROM errors.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200424194456.a522161a7372.I2a65ee35a5e0242f8a0e106f126356dff81ef59d@changeid
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/utils.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/utils.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c index ee8f152e7606..be57b8391850 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c @@ -586,6 +586,23 @@ static void iwl_mvm_dump_lmac_error_log(struct iwl_mvm *mvm, u8 lmac_num) IWL_ERR(mvm, "0x%08X | flow_handler\n", table.flow_handler); } +static void iwl_mvm_dump_iml_error_log(struct iwl_mvm *mvm) +{ + struct iwl_trans *trans = mvm->trans; + u32 error; + + error = iwl_read_umac_prph(trans, UMAG_SB_CPU_2_STATUS); + + IWL_ERR(trans, "IML/ROM dump:\n"); + + if (error & 0xFFFF0000) + IWL_ERR(trans, "IML/ROM SYSASSERT:\n"); + + IWL_ERR(mvm, "0x%08X | IML/ROM error/state\n", error); + IWL_ERR(mvm, "0x%08X | IML/ROM data1\n", + iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS)); +} + void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm) { if (!test_bit(STATUS_DEVICE_ENABLED, &mvm->trans->status)) { @@ -601,6 +618,9 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm) iwl_mvm_dump_umac_error_log(mvm); + if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) + iwl_mvm_dump_iml_error_log(mvm); + iwl_fw_error_print_fseq_regs(&mvm->fwrt); } |