pcie:fix dessert pereset

Signed-off-by: ryan_chen <[email protected]> Change-Id: Ibde3ec0f771465c332f99d6a11ed7cfb47235a72
openbmc · Jul 22, 2022 · 64d46a4 · 64d46a4
1 parent 70552e3
commit 64d46a4
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/drivers/pci/pcie_aspeed.c b/drivers/pci/pcie_aspeed.c
@@ -430,6 +430,8 @@ static int pcie_aspeed_probe(struct udevice *dev)
  return ret;
  }
  aspeed_pcie_rc_slot_enable(pcie, 0);
+ reset_deassert(&rc0_reset_ctl);
+ mdelay(50);
  if (uclass_get_device_by_of_offset
  (UCLASS_MISC, slot0_of_handle, &slot0_dev))
  goto slot1;
@@ -447,13 +449,14 @@ static int pcie_aspeed_probe(struct udevice *dev)
  return ret;
  }
  aspeed_pcie_rc_slot_enable(pcie, 1);
+ reset_deassert(&rc1_reset_ctl);
+ mdelay(50);
  if (uclass_get_device_by_of_offset
  (UCLASS_MISC, slot1_of_handle, &slot1_dev))
  goto end;
  if (aspeed_pcie_phy_link_status(slot1_dev))
  aspeed_pcie_set_slot_power_limit(pcie, 1);
  }
- mdelay(100);
 end:
  return 0;
 }