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iwlwifi: pcie: start early debug for 22560 devices

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In 22560 devices we can start debug using context info gen3. Configure
the fw to start collecting logs to the dram before init.

Signed-off-by: Golan Ben Ami <golan.ben.ami@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Golan Ben Ami 2017-12-26 14:49:30 +02:00 committed by Luca Coelho
parent 2a182fbb29
commit 9f358c1716
3 changed files with 14 additions and 6 deletions
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15
drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c
View File

@ -84,13 +84,22 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
control_flags = IWL_PRPH_SCRATCH_RB_SIZE_4K |
IWL_PRPH_SCRATCH_MTR_MODE |
(IWL_PRPH_MTR_FORMAT_256B &
IWL_PRPH_SCRATCH_MTR_FORMAT);
IWL_PRPH_SCRATCH_MTR_FORMAT) |
IWL_PRPH_SCRATCH_EARLY_DEBUG_EN |
IWL_PRPH_SCRATCH_EDBG_DEST_DRAM;
prph_sc_ctrl->control.control_flags = cpu_to_le32(control_flags);
/* initialize RX default queue */
prph_sc_ctrl->rbd_cfg.free_rbd_addr =
cpu_to_le64(trans_pcie->rxq->bd_dma);
/* Configure debug, for integration */
iwl_pcie_alloc_fw_monitor(trans, 0);
prph_sc_ctrl->hwm_cfg.hwm_base_addr =
cpu_to_le64(trans_pcie->fw_mon_phys);
prph_sc_ctrl->hwm_cfg.hwm_size =
cpu_to_le32(trans_pcie->fw_mon_size);
/* allocate ucode sections in dram and set addresses */
ret = iwl_pcie_init_fw_sec(trans, fw, &prph_scratch->dram);
if (ret) {
@ -157,10 +166,6 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
iwl_enable_interrupts(trans);
/* Configure debug, if exists */
if (trans->dbg_dest_tlv)
iwl_pcie_apply_destination(trans);
/* kick FW self load */
iwl_write64(trans, CSR_CTXT_INFO_ADDR,
trans_pcie->ctxt_info_dma_addr);

3
drivers/net/wireless/intel/iwlwifi/pcie/internal.h
View File

@ -895,6 +895,9 @@ void iwl_pcie_free_tso_page(struct iwl_trans_pcie *trans_pcie,
struct iwl_tso_hdr_page *get_page_hdr(struct iwl_trans *trans, size_t len);
#endif
/* common functions that are used by gen3 transport */
void iwl_pcie_alloc_fw_monitor(struct iwl_trans *trans, u8 max_power);
/* transport gen 2 exported functions */
int iwl_trans_pcie_gen2_start_fw(struct iwl_trans *trans,
const struct fw_img *fw, bool run_in_rfkill);

2
drivers/net/wireless/intel/iwlwifi/pcie/trans.c
View File

@ -203,7 +203,7 @@ static void iwl_pcie_free_fw_monitor(struct iwl_trans *trans)
trans_pcie->fw_mon_size = 0;
}
static void iwl_pcie_alloc_fw_monitor(struct iwl_trans *trans, u8 max_power)
void iwl_pcie_alloc_fw_monitor(struct iwl_trans *trans, u8 max_power)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct page *page = NULL;