diff mbox series

[08/12] iwlwifi: mvm: print out extended secboot status before dump

Message ID 20200106085502.363205-9-luca@coelho.fi (mailing list archive)
State Accepted
Delegated to: Luca Coelho
Headers show
Series iwlwifi: updates intended for v5.6 2020-01-06 | expand

Commit Message

Luca Coelho Jan. 6, 2020, 8:54 a.m. UTC 
From: Johannes Berg <johannes.berg@intel.com>

Print out the secure boot status, extended by the PCs of LMACs
and the UMAC. This needs to be before dumping, as dumping will
corrupt the PC (if the NMI is handled), so move that down.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/iwl-prph.h |  3 +++
 drivers/net/wireless/intel/iwlwifi/mvm/fw.c   | 27 ++++++++++++++-----
 2 files changed, 23 insertions(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-prph.h b/drivers/net/wireless/intel/iwlwifi/iwl-prph.h
index 14c8ba23f3b9..c21d99418af9 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-prph.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-prph.h
@@ -430,6 +430,9 @@  enum aux_misc_master1_en {
 #define UMAG_SB_CPU_1_STATUS		0xA038C0
 #define UMAG_SB_CPU_2_STATUS		0xA038C4
 #define UMAG_GEN_HW_STATUS		0xA038C8
+#define UREG_UMAC_CURRENT_PC		0xa05c18
+#define UREG_LMAC1_CURRENT_PC		0xa05c1c
+#define UREG_LMAC2_CURRENT_PC		0xa05c20
 
 /* For UMAG_GEN_HW_STATUS reg check */
 enum {
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index dd685f7eb410..67d414e5db19 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -353,22 +353,35 @@  static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
 	if (ret) {
 		struct iwl_trans *trans = mvm->trans;
 
-		if (ret == -ETIMEDOUT)
-			iwl_fw_dbg_error_collect(&mvm->fwrt,
-						 FW_DBG_TRIGGER_ALIVE_TIMEOUT);
-
-		if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22000)
+		if (trans->trans_cfg->device_family >=
+					IWL_DEVICE_FAMILY_22000) {
 			IWL_ERR(mvm,
 				"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
 				iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS),
 				iwl_read_umac_prph(trans,
 						   UMAG_SB_CPU_2_STATUS));
-		else if (trans->trans_cfg->device_family >=
-			 IWL_DEVICE_FAMILY_8000)
+			IWL_ERR(mvm, "UMAC PC: 0x%x\n",
+				iwl_read_umac_prph(trans,
+						   UREG_UMAC_CURRENT_PC));
+			IWL_ERR(mvm, "LMAC PC: 0x%x\n",
+				iwl_read_umac_prph(trans,
+						   UREG_LMAC1_CURRENT_PC));
+			if (iwl_mvm_is_cdb_supported(mvm))
+				IWL_ERR(mvm, "LMAC2 PC: 0x%x\n",
+					iwl_read_umac_prph(trans,
+						UREG_LMAC2_CURRENT_PC));
+		} else if (trans->trans_cfg->device_family >=
+			   IWL_DEVICE_FAMILY_8000) {
 			IWL_ERR(mvm,
 				"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
 				iwl_read_prph(trans, SB_CPU_1_STATUS),
 				iwl_read_prph(trans, SB_CPU_2_STATUS));
+		}
+
+		if (ret == -ETIMEDOUT)
+			iwl_fw_dbg_error_collect(&mvm->fwrt,
+						 FW_DBG_TRIGGER_ALIVE_TIMEOUT);
+
 		iwl_fw_set_current_image(&mvm->fwrt, old_type);
 		return ret;
 	}