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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>
This commit is contained in:
Dor Shaish 2015-07-15 11:41:21 +03:00 committed by Emmanuel Grumbach
parent a6c4fb4441
commit 192de2b406
2 changed files with 7 additions and 0 deletions
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2
drivers/net/wireless/iwlwifi/iwl-prph.h
View File

@ -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

5
drivers/net/wireless/iwlwifi/mvm/fw.c
View File

@ -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;
}