From: kettenis <kettenis@openbsd.org>
Date: Fri, 29 Mar 2024 12:45:13 +0000 (+0000)
Subject: Fix writing the prefetchable mmio window base/limit.
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=4bc9c22f538b2c7f923fe36df44134377ea81af5;p=openbsd

Fix writing the prefetchable mmio window base/limit.

ok patrick@
---

diff --git a/sys/dev/fdt/dwpcie.c b/sys/dev/fdt/dwpcie.c
index 278d48c8595..4cdee4cdd2a 100644
--- a/sys/dev/fdt/dwpcie.c
+++ b/sys/dev/fdt/dwpcie.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: dwpcie.c,v 1.52 2024/02/26 21:41:24 kettenis Exp $	*/
+/*	$OpenBSD: dwpcie.c,v 1.53 2024/03/29 12:45:13 kettenis Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -676,7 +676,7 @@ dwpcie_attach_deferred(struct device *self)
 		pmembase = sc->sc_pmem_bus_addr;
 		pmemlimit = pmembase + sc->sc_pmem_size - 1;
 		blr = pmemlimit & PPB_MEM_MASK;
-		blr |= (pmembase >> PPB_MEM_SHIFT);
+		blr |= ((pmembase & PPB_MEM_MASK) >> PPB_MEM_SHIFT);
 		HWRITE4(sc, PPB_REG_PREFMEM, blr);
 		HWRITE4(sc, PPB_REG_PREFBASE_HI32, pmembase >> 32);
 		HWRITE4(sc, PPB_REG_PREFLIM_HI32, pmemlimit >> 32);