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author | mav <mav@FreeBSD.org> | 2009-12-05 10:30:54 +0000 |
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committer | mav <mav@FreeBSD.org> | 2009-12-05 10:30:54 +0000 |
commit | 9216a4ce0f93b0b415c80289886f2cc2b225df9f (patch) | |
tree | 8525ce6611afe069ef6efe81e74e0e127e60d037 /sys/dev/ata | |
parent | 3840fefd31d4463807536452ea25bc14c1b2adad (diff) | |
download | FreeBSD-src-9216a4ce0f93b0b415c80289886f2cc2b225df9f.zip FreeBSD-src-9216a4ce0f93b0b415c80289886f2cc2b225df9f.tar.gz |
On Soft Reset, read device signature from FIS receive area, instead of
PxSIG register. It works better for NVidia chipsets. ahci(4) does the same.
PR: kern/140472, i386/138668
Diffstat (limited to 'sys/dev/ata')
-rw-r--r-- | sys/dev/ata/chipsets/ata-ahci.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/dev/ata/chipsets/ata-ahci.c b/sys/dev/ata/chipsets/ata-ahci.c index 0f76a8d..e4a7cd1 100644 --- a/sys/dev/ata/chipsets/ata-ahci.c +++ b/sys/dev/ata/chipsets/ata-ahci.c @@ -824,11 +824,10 @@ ata_ahci_hardreset(device_t dev, int port, uint32_t *signature) static u_int32_t ata_ahci_softreset(device_t dev, int port) { - struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); - int offset = ch->unit << 7; struct ata_ahci_cmd_tab *ctp = (struct ata_ahci_cmd_tab *)(ch->dma.work + ATA_AHCI_CT_OFFSET); + u_int8_t *fis = ch->dma.work + ATA_AHCI_FB_OFFSET + 0x40; if (bootverbose) device_printf(dev, "software reset port %d...\n", port); @@ -865,7 +864,10 @@ ata_ahci_softreset(device_t dev, int port) return (-1); } - return ATA_INL(ctlr->r_res2, ATA_AHCI_P_SIG + offset); + return (((u_int32_t)fis[6] << 24) | + ((u_int32_t)fis[5] << 16) | + ((u_int32_t)fis[4] << 8) | + (u_int32_t)fis[12]); } static void |