summaryrefslogtreecommitdiffstats
path: root/sys/dev/bge
diff options
context:
space:
mode:
authorjdp <jdp@FreeBSD.org>2002-09-22 18:27:29 +0000
committerjdp <jdp@FreeBSD.org>2002-09-22 18:27:29 +0000
commit5e52f98750fa60ef2bf52bbade38a374ed46804d (patch)
treea5e0012a7a853cf192be35014fbc2023e80b8b19 /sys/dev/bge
parent6306db002328289fa589613b46d5064cd08662bc (diff)
downloadFreeBSD-src-5e52f98750fa60ef2bf52bbade38a374ed46804d.zip
FreeBSD-src-5e52f98750fa60ef2bf52bbade38a374ed46804d.tar.gz
Set up the BCM570x chip's DMA Read/Write Control register more
correctly. This fixes the "watchdog timeout -- resetting" errors seen on Dell 2650 systems. MFC after: 1 month
Diffstat (limited to 'sys/dev/bge')
-rw-r--r--sys/dev/bge/if_bge.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/sys/dev/bge/if_bge.c b/sys/dev/bge/if_bge.c
index d3771f9..b112242 100644
--- a/sys/dev/bge/if_bge.c
+++ b/sys/dev/bge/if_bge.c
@@ -1017,8 +1017,16 @@ bge_chipinit(sc)
BGE_MEMWIN_WRITE(sc, i, 0);
/* Set up the PCI DMA control register. */
- pci_write_config(sc->bge_dev, BGE_PCI_DMA_RW_CTL,
- BGE_PCI_READ_CMD|BGE_PCI_WRITE_CMD|0x0F, 4);
+ if (pci_read_config(sc->bge_dev, BGE_PCI_PCISTATE, 4) &
+ BGE_PCISTATE_PCI_BUSMODE) {
+ /* Conventional PCI bus */
+ pci_write_config(sc->bge_dev, BGE_PCI_DMA_RW_CTL,
+ BGE_PCI_READ_CMD|BGE_PCI_WRITE_CMD|0x3F000F, 4);
+ } else {
+ /* PCI-X bus */
+ pci_write_config(sc->bge_dev, BGE_PCI_DMA_RW_CTL,
+ BGE_PCI_READ_CMD|BGE_PCI_WRITE_CMD|0x1B000F, 4);
+ }
/*
* Set up general mode register.
OpenPOWER on IntegriCloud