From: Ido Yariv <[email protected]> Some HW modules have two SRAMs. In such cases add the secondary SRAM to the list of dumped segments.
Signed-off-by: Ido Yariv <[email protected]> Reviewed-by: Johannes Berg <[email protected]> Signed-off-by: Emmanuel Grumbach <[email protected]> --- drivers/net/wireless/iwlwifi/iwl-8000.c | 4 ++++ drivers/net/wireless/iwlwifi/iwl-config.h | 4 ++++ drivers/net/wireless/iwlwifi/mvm/mac80211.c | 28 ++++++++++++++++++++++++---- 3 files changed, 32 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-8000.c b/drivers/net/wireless/iwlwifi/iwl-8000.c index 9eca533..d6c05eab 100644 --- a/drivers/net/wireless/iwlwifi/iwl-8000.c +++ b/drivers/net/wireless/iwlwifi/iwl-8000.c @@ -84,6 +84,8 @@ /* Memory offsets and lengths */ #define IWL8260_DCCM_OFFSET 0x800000 #define IWL8260_DCCM_LEN 0x18000 +#define IWL8260_DCCM2_OFFSET 0x880000 +#define IWL8260_DCCM2_LEN 0x8000 #define IWL8260_SMEM_OFFSET 0x400000 #define IWL8260_SMEM_LEN 0x68000 @@ -134,6 +136,8 @@ static const struct iwl_ht_params iwl8000_ht_params = { .non_shared_ant = ANT_A, \ .dccm_offset = IWL8260_DCCM_OFFSET, \ .dccm_len = IWL8260_DCCM_LEN, \ + .dccm2_offset = IWL8260_DCCM2_OFFSET, \ + .dccm2_len = IWL8260_DCCM2_LEN, \ .smem_offset = IWL8260_SMEM_OFFSET, \ .smem_len = IWL8260_SMEM_LEN diff --git a/drivers/net/wireless/iwlwifi/iwl-config.h b/drivers/net/wireless/iwlwifi/iwl-config.h index 0eaafd8..445bff6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/iwlwifi/iwl-config.h @@ -263,6 +263,8 @@ struct iwl_pwr_tx_backoff { * station can receive in VHT * @dccm_offset: offset from which DCCM begins * @dccm_len: length of DCCM (including runtime stack CCM) + * @dccm2_offset: offset from which the second DCCM begins + * @dccm2_len: length of the second DCCM * @smem_offset: offset from which the SMEM begins * @smem_len: the length of SMEM * @@ -310,6 +312,8 @@ struct iwl_cfg { unsigned int max_vht_ampdu_exponent; const u32 dccm_offset; const u32 dccm_len; + const u32 dccm2_offset; + const u32 dccm2_len; const u32 smem_offset; const u32 smem_len; }; diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index c4552b5..b5f401d 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -778,14 +778,19 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) unsigned long flags; int reg_val; u32 smem_len = mvm->cfg->smem_len; + u32 sram2_len = mvm->cfg->dccm2_len; lockdep_assert_held(&mvm->mutex); /* W/A for 8000 HW family A-step */ - if (mvm->cfg->smem_len && - mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000 && - CSR_HW_REV_STEP(mvm->trans->hw_rev) == SILICON_A_STEP) - smem_len = 0x38000; + if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000 && + CSR_HW_REV_STEP(mvm->trans->hw_rev) == SILICON_A_STEP) { + if (smem_len) + smem_len = 0x38000; + + if (sram2_len) + sram2_len = 0x10000; + } fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL); if (!fw_error_dump) @@ -820,6 +825,10 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) if (smem_len) file_len += sizeof(*dump_data) + sizeof(*dump_mem) + smem_len; + /* Make room for the secondary SRAM, if it exists */ + if (sram2_len) + file_len += sizeof(*dump_data) + sizeof(*dump_mem) + sram2_len; + dump_file = vzalloc(file_len); if (!dump_file) { kfree(fw_error_dump); @@ -884,6 +893,17 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) dump_mem->data, smem_len); } + if (sram2_len) { + dump_data = iwl_fw_error_next_data(dump_data); + dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM); + dump_data->len = cpu_to_le32(sram2_len + sizeof(*dump_mem)); + dump_mem = (void *)dump_data->data; + dump_mem->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM_SRAM); + dump_mem->offset = cpu_to_le32(mvm->cfg->dccm2_offset); + iwl_trans_read_mem_bytes(mvm->trans, mvm->cfg->dccm2_offset, + dump_mem->data, sram2_len); + } + fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans); fw_error_dump->op_mode_len = file_len; if (fw_error_dump->trans_ptr) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
