Author: yongari
Date: Wed Oct 10 02:35:10 2012
New Revision: 241391
URL: http://svn.freebsd.org/changeset/base/241391
Log:
Do not force PCIe 1.0a mode in device reset on BCM5717 and newer
controllers. BCM5785 does not require PCI 1.0a mode as well during
reset.
Modified:
head/sys/dev/bge/if_bge.c
Modified: head/sys/dev/bge/if_bge.c
==============================================================================
--- head/sys/dev/bge/if_bge.c Wed Oct 10 02:21:36 2012 (r241390)
+++ head/sys/dev/bge/if_bge.c Wed Oct 10 02:35:10 2012 (r241391)
@@ -3604,8 +3604,11 @@ bge_reset(struct bge_softc *sc)
/* XXX: Broadcom Linux driver. */
if (sc->bge_flags & BGE_FLAG_PCIE) {
- if (CSR_READ_4(sc, 0x7E2C) == 0x60) /* PCIE 1.0 */
- CSR_WRITE_4(sc, 0x7E2C, 0x20);
+ if (sc->bge_asicrev != BGE_ASICREV_BCM5785 &&
+ (sc->bge_flags & BGE_FLAG_5717_PLUS) == 0) {
+ if (CSR_READ_4(sc, 0x7E2C) == 0x60) /* PCIE 1.0 */
+ CSR_WRITE_4(sc, 0x7E2C, 0x20);
+ }
if (sc->bge_chipid != BGE_CHIPID_BCM5750_A0) {
/* Prevent PCIE link training during global reset */
CSR_WRITE_4(sc, BGE_MISC_CFG, 1 << 29);
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