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iwlwifi: mvm: add IML/ROM information to the assertion dumps

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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
This commit is contained in:
Luca Coelho 2020-04-24 19:47:01 +03:00
parent a8eb340f2e
commit 37dee1f18e
1 changed files with 20 additions and 0 deletions
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20
drivers/net/wireless/intel/iwlwifi/mvm/utils.c
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@ -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);
}