[Skiboot] [PATCH 3/3] phb4: remove POWER9N DD1 creset workaround

Nicholas Piggin npiggin at gmail.com
Wed Jan 16 14:58:42 AEDT 2019


Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
 hw/phb4.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/hw/phb4.c b/hw/phb4.c
index a5bb99060..d9c15d6fc 100644
--- a/hw/phb4.c
+++ b/hw/phb4.c
@@ -3156,11 +3156,6 @@ static int64_t phb4_creset(struct pci_slot *slot)
 			xscom_write(p->chip_id,
 				    p->pci_stk_xscom + XPEC_PCI_STK_ETU_RESET, 0x0);
 
-			/* DD1 errata: write to PEST to force update */
-			phb4_ioda_sel(p, IODA3_TBL_PESTA, PHB4_RESERVED_PE_NUM(p),
-				      false);
-			phb4_write_reg(p, PHB_IODA_DATA0, 0);
-
 			pci_slot_set_state(slot, PHB4_SLOT_CRESET_REINIT);
 			/* After lifting PHB reset, wait while logic settles */
 			return pci_slot_set_sm_timeout(slot, msecs_to_tb(10));
-- 
2.18.0



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