diff options
| author | Brad Smith <brad@cvs.openbsd.org> | 2006-02-01 02:02:50 +0000 |
|---|---|---|
| committer | Brad Smith <brad@cvs.openbsd.org> | 2006-02-01 02:02:50 +0000 |
| commit | ff7324cb506ef8465fc646769a9efade23949e8d (patch) | |
| tree | 76ccbb078046e8ac04aacfbcf66c22854df93cd4 /sys | |
| parent | 5e92132a721c148d3bade317358d18c8aaad0f1b (diff) | |
rearrange code section for enabling the read DMA state machine
to allow enabling the long burst FIFO on PCI Express cards though
its currently disabled at the moment.
From jonathan NetBSD and based on the Broadcom Linux driver.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/pci/if_bge.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/sys/dev/pci/if_bge.c b/sys/dev/pci/if_bge.c index 232450a498e..ff06dd15fb4 100644 --- a/sys/dev/pci/if_bge.c +++ b/sys/dev/pci/if_bge.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_bge.c,v 1.123 2006/02/01 01:53:32 brad Exp $ */ +/* $OpenBSD: if_bge.c,v 1.124 2006/02/01 02:02:49 brad Exp $ */ /* * Copyright (c) 2001 Wind River Systems @@ -1588,8 +1588,17 @@ bge_blockinit(struct bge_softc *sc) BGE_WDMAMODE_ENABLE|BGE_WDMAMODE_ALL_ATTNS); /* Turn on read DMA state machine */ - CSR_WRITE_4(sc, BGE_RDMA_MODE, - BGE_RDMAMODE_ENABLE|BGE_RDMAMODE_ALL_ATTNS); + { + uint32_t dma_read_modebits; + + dma_read_modebits = + BGE_RDMAMODE_ENABLE | BGE_RDMAMODE_ALL_ATTNS; + + if (sc->bge_pcie && 0) + dma_read_modebits |= BGE_RDMA_MODE_FIFO_LONG_BURST; + + CSR_WRITE_4(sc, BGE_RDMA_MODE, dma_read_modebits); + } /* Turn on RX data completion state machine */ CSR_WRITE_4(sc, BGE_RDC_MODE, BGE_RDCMODE_ENABLE); |