From: Luca Coelho <luciano.coelho@xxxxxxxxx>
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@xxxxxxxxx>
---
.../net/wireless/intel/iwlwifi/mvm/utils.c | 20 +++++++++++++++++++
1 file changed, 20 insertions(+)
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);
}
--
2.26.2
