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-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.
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