Commit 37dee1f1 authored by Luca Coelho's avatar Luca Coelho
Browse files

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: default avatarLuca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200424194456.a522161a7372.I2a65ee35a5e0242f8a0e106f126356dff81ef59d@changeid
parent a8eb340f

drivers/net/wireless/intel/iwlwifi/mvm/utils.c

+20 −0
Original line number Original line Diff line number Diff line
@@ -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);

	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)

void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)

{

{

	if (!test_bit(STATUS_DEVICE_ENABLED, &mvm->trans->status)) {

	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);

	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);

	iwl_fw_error_print_fseq_regs(&mvm->fwrt);

}

}