diff options
| author |   Mukesh Sisodiya <mukesh.sisodiya@intel.com> | 2021-08-19 18:40:33 +0300 |
|---|---|---|
| committer |   Luca Coelho <luciano.coelho@intel.com> | 2021-08-26 23:37:07 +0300 |
| commit | 89639e06d0f35625db506f43971d08b0489cd2ce (patch) | |
| tree | 40c5106a502811a2e42d657f503577f405f07220 /drivers/net/wireless/intel/iwlwifi/fw/dbg.c | |
| parent | iwlwifi: add 'Rx control frame to MBSSID' HE capability (diff) | |
| download | linux-89639e06d0f35625db506f43971d08b0489cd2ce.tar.xz linux-89639e06d0f35625db506f43971d08b0489cd2ce.zip | |
iwlwifi: yoyo: support for new DBGI_SRAM region
new region handling is added for dump collection.
Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210819183728.af9a24b82396.I53c5f82bd2d0f56fd699e3841c922082d99f1c90@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/dbg.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index f826e6c96095..6dcafd0a3d4b 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -1517,6 +1517,37 @@ iwl_dump_ini_special_mem_iter(struct iwl_fw_runtime *fwrt, return sizeof(*range) + le32_to_cpu(range->range_data_size); } +static int +iwl_dump_ini_dbgi_sram_iter(struct iwl_fw_runtime *fwrt, + struct iwl_dump_ini_region_data *reg_data, + void *range_ptr, int idx) +{ + struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data; + struct iwl_fw_ini_error_dump_range *range = range_ptr; + __le32 *val = range->data; + u32 prph_data; + int i; + + if (!iwl_trans_grab_nic_access(fwrt->trans)) + return -EBUSY; + + range->range_data_size = reg->dev_addr.size; + iwl_write_prph_no_grab(fwrt->trans, DBGI_SRAM_TARGET_ACCESS_CFG, + DBGI_SRAM_TARGET_ACCESS_CFG_RESET_ADDRESS_MSK); + for (i = 0; i < (le32_to_cpu(reg->dev_addr.size) / 4); i++) { + prph_data = iwl_read_prph(fwrt->trans, (i % 2) ? + DBGI_SRAM_TARGET_ACCESS_RDATA_MSB : + DBGI_SRAM_TARGET_ACCESS_RDATA_LSB); + if (prph_data == 0x5a5a5a5a) { + iwl_trans_release_nic_access(fwrt->trans); + return -EBUSY; + } + *val++ = cpu_to_le32(prph_data); + } + iwl_trans_release_nic_access(fwrt->trans); + return sizeof(*range) + le32_to_cpu(range->range_data_size); +} + static int iwl_dump_ini_fw_pkt_iter(struct iwl_fw_runtime *fwrt, struct iwl_dump_ini_region_data *reg_data, void *range_ptr, int idx) @@ -2189,6 +2220,12 @@ static const struct iwl_dump_ini_mem_ops iwl_dump_ini_region_ops[] = { .fill_mem_hdr = iwl_dump_ini_special_mem_fill_header, .fill_range = iwl_dump_ini_special_mem_iter, }, + [IWL_FW_INI_REGION_DBGI_SRAM] = { + .get_num_of_ranges = iwl_dump_ini_mem_ranges, + .get_size = iwl_dump_ini_mem_get_size, + .fill_mem_hdr = iwl_dump_ini_mem_fill_header, + .fill_range = iwl_dump_ini_dbgi_sram_iter, + }, }; static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt, |