Provide some info about flash/eeprom state at boot up
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
---
drivers/net/e1000/eeprom.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/net/e1000/eeprom.c b/drivers/net/e1000/eeprom.c
index e5f8c9e271e0..cb92deee3b44 100644
--- a/drivers/net/e1000/eeprom.c
+++ b/drivers/net/e1000/eeprom.c
@@ -1472,6 +1472,24 @@ int e1000_register_eeprom(struct e1000_hw *hw)
if (ret < 0)
return ret;
+ if (eecd & E1000_EECD_AUTO_RD) {
+ if (eecd & E1000_EECD_EE_PRES) {
+ if (eecd & E1000_EECD_FLASH_IN_USE)
+ dev_info(hw->dev, "Hardware programmed from flash\n");
+ else
+ dev_info(hw->dev, "Hardware programmed from iNVM\n");
+ } else {
+ dev_warn(hw->dev, "Shadow RAM invalid\n");
+ }
+ } else {
+ /*
+ * I never saw this case in practise and I'm unsure how
+ * to handle that. Maybe just wait until the hardware is
+ * up enough that this bit is set?
+ */
+ dev_err(hw->dev, "Flash Auto-Read not done\n");
+ }
+
if (eecd & E1000_EECD_I210_FLASH_DETECTED) {
hw->mtd.parent = hw->dev;
hw->mtd.read = e1000_mtd_read;
--
2.11.0
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