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path: root/drivers/net/ethernet/intel/igb/e1000_nvm.c
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Diffstat (limited to 'drivers/net/ethernet/intel/igb/e1000_nvm.c')
-rw-r--r--drivers/net/ethernet/intel/igb/e1000_nvm.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igb/e1000_nvm.c b/drivers/net/ethernet/intel/igb/e1000_nvm.c
index aa5fcdf3f357..54ff53905ffe 100644
--- a/drivers/net/ethernet/intel/igb/e1000_nvm.c
+++ b/drivers/net/ethernet/intel/igb/e1000_nvm.c
@@ -710,3 +710,73 @@ s32 igb_update_nvm_checksum(struct e1000_hw *hw)
out:
return ret_val;
}
+
+/**
+ * igb_get_fw_version - Get firmware version information
+ * @hw: pointer to the HW structure
+ * @fw_vers: pointer to output structure
+ *
+ * unsupported MAC types will return all 0 version structure
+ **/
+void igb_get_fw_version(struct e1000_hw *hw, struct e1000_fw_version *fw_vers)
+{
+ u16 eeprom_verh, eeprom_verl, comb_verh, comb_verl, comb_offset;
+ u16 fw_version;
+
+ memset(fw_vers, 0, sizeof(struct e1000_fw_version));
+
+ switch (hw->mac.type) {
+ case e1000_i211:
+ return;
+ case e1000_82575:
+ case e1000_82576:
+ case e1000_82580:
+ case e1000_i350:
+ case e1000_i210:
+ break;
+ default:
+ return;
+ }
+ /* basic eeprom version numbers */
+ hw->nvm.ops.read(hw, NVM_VERSION, 1, &fw_version);
+ fw_vers->eep_major = (fw_version & NVM_MAJOR_MASK) >> NVM_MAJOR_SHIFT;
+ fw_vers->eep_minor = (fw_version & NVM_MINOR_MASK);
+
+ /* etrack id */
+ hw->nvm.ops.read(hw, NVM_ETRACK_WORD, 1, &eeprom_verl);
+ hw->nvm.ops.read(hw, (NVM_ETRACK_WORD + 1), 1, &eeprom_verh);
+ fw_vers->etrack_id = (eeprom_verh << NVM_ETRACK_SHIFT) | eeprom_verl;
+
+ switch (hw->mac.type) {
+ case e1000_i210:
+ case e1000_i350:
+ /* find combo image version */
+ hw->nvm.ops.read(hw, NVM_COMB_VER_PTR, 1, &comb_offset);
+ if ((comb_offset != 0x0) && (comb_offset != NVM_VER_INVALID)) {
+
+ hw->nvm.ops.read(hw, (NVM_COMB_VER_OFF + comb_offset
+ + 1), 1, &comb_verh);
+ hw->nvm.ops.read(hw, (NVM_COMB_VER_OFF + comb_offset),
+ 1, &comb_verl);
+
+ /* get Option Rom version if it exists and is valid */
+ if ((comb_verh && comb_verl) &&
+ ((comb_verh != NVM_VER_INVALID) &&
+ (comb_verl != NVM_VER_INVALID))) {
+
+ fw_vers->or_valid = true;
+ fw_vers->or_major =
+ comb_verl >> NVM_COMB_VER_SHFT;
+ fw_vers->or_build =
+ ((comb_verl << NVM_COMB_VER_SHFT)
+ | (comb_verh >> NVM_COMB_VER_SHFT));
+ fw_vers->or_patch =
+ comb_verh & NVM_COMB_VER_MASK;
+ }
+ }
+ break;
+ default:
+ break;
+ }
+ return;
+}