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| author | sos <sos@FreeBSD.org> | 2007-02-17 16:56:39 +0000 |
|---|---|---|
| committer | sos <sos@FreeBSD.org> | 2007-02-17 16:56:39 +0000 |
| commit | ed5cb12fbe994c362c4ab2d40dd8be72d4a364cc (patch) | |
| tree | 31424ae52139540ad3eabf13397afd2881b3526c /sys/dev/pci | |
| parent | f6f8eb8e88eb2140016fa12c1edf6947d949e048 (diff) | |
| download | FreeBSD-src-ed5cb12fbe994c362c4ab2d40dd8be72d4a364cc.zip FreeBSD-src-ed5cb12fbe994c362c4ab2d40dd8be72d4a364cc.tar.gz | |
Add support for chipsets that has NULL'd BAR's for legacy ports.
This allows DMA to be used on a fine little geode system I got here and
most like on lots of older systems like that.
HW donated by: Paul Ghering
Diffstat (limited to 'sys/dev/pci')
| -rw-r--r-- | sys/dev/pci/pci.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c index fae9ba2..dd55f16 100644 --- a/sys/dev/pci/pci.c +++ b/sys/dev/pci/pci.c @@ -2231,7 +2231,9 @@ pci_add_resources(device_t bus, device_t dev, int force, uint32_t prefetchmask) /* ATA devices needs special map treatment */ if ((pci_get_class(dev) == PCIC_STORAGE) && (pci_get_subclass(dev) == PCIS_STORAGE_IDE) && - (pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV)) + ((pci_get_progif(dev) & PCIP_STORAGE_IDE_MASTERDEV) || + (!pci_read_config(dev, PCIR_BAR(0), 4) && + !pci_read_config(dev, PCIR_BAR(2), 4))) ) pci_ata_maps(pcib, bus, dev, b, s, f, rl, force, prefetchmask); else for (i = 0; i < cfg->nummaps;) |
