From: Dor Shaish <dor.shaish@intel.com>
Date: Wed, 15 Jul 2015 08:41:21 +0000 (+0300)
Subject: iwlwifi: mvm: print secboot status registers on alive timeout
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=192de2b406ab5cab0b87be6d8015dcfbec936e37;p=linux-beck.git

iwlwifi: mvm: print secboot status registers on alive timeout

Print the CPU1 and CPU2 secured boot status registers from the NIC
to indicate a SYSASSERT during secured engine unlocking process
on init/protocol image.

Signed-off-by: Dor Shaish <dor.shaish@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---

diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h
index cd98b9f45415..c4e7a713af0f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-prph.h
+++ b/drivers/net/wireless/iwlwifi/iwl-prph.h
@@ -383,6 +383,8 @@ enum aux_misc_master1_en {
 #define AUX_MISC_MASTER1_SMPHR_STATUS	0xA20800
 #define RSA_ENABLE			0xA24B08
 #define PREG_AUX_BUS_WPROT_0		0xA04CC0
+#define SB_CPU_1_STATUS			0xA01E30
+#define SB_CPU_2_STATUS			0xA01E34
 
 /* FW chicken bits */
 #define LMPM_CHICK			0xA01FF8
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c
index acb402b3e6ee..e65a65337792 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/iwlwifi/mvm/fw.c
@@ -482,6 +482,11 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
 	ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait,
 				    MVM_UCODE_ALIVE_TIMEOUT);
 	if (ret) {
+		if (mvm->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000)
+			IWL_ERR(mvm,
+				"SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n",
+				iwl_read_prph(mvm->trans, SB_CPU_1_STATUS),
+				iwl_read_prph(mvm->trans, SB_CPU_2_STATUS));
 		mvm->cur_ucode = old_type;
 		return ret;
 	}