In article <20061130210437.GA1601@antioche.eu.org>,
Manuel Bouyer  <bouyer@antioche.eu.org> wrote:
>Hi,
>I've just commited an ahci driver. Works fine for me on Intel 63xxESB AHCI
>controller:
>ahcisata0 at pci0 dev 31 function 2: Intel 63xxESB AHCI Serial ATA Controller
>ahcisata0: AHCI revision 1.0, 6 ports, 32 command slots, features 0xc6226000
>ahcisata0: interrupting at ioapic0 pin 19 (irq 10)
>atabus0 at ahcisata0 channel 0
>atabus1 at ahcisata0 channel 1
>atabus2 at ahcisata0 channel 2
>atabus3 at ahcisata0 channel 3
>atabus4 at ahcisata0 channel 4
>atabus5 at ahcisata0 channel 5
>ahcisata0 port 0: device present, speed: 3.0GB/s
>ahcisata0 port 2: device present, speed: 3.0GB/s
>wd0 at atabus0 drive 0: <Hitachi HDS721616PLA380>
>wd0: drive supports 16-sector PIO transfers, LBA48 addressing
>wd0: 153 GB, 319120 cyl, 16 head, 63 sec, 512 bytes/sect x 321672960 sectors
>wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
>wd0(ahcisata0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6
>(Ultra/133) (using DMA)
>wd1 at atabus2 drive 0: <Hitachi HDS721616PLA380>
>wd1: drive supports 16-sector PIO transfers, LBA48 addressing
>wd1: 153 GB, 319120 cyl, 16 head, 63 sec, 512 bytes/sect x 321672960 sectors
>wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
>wd1(ahcisata0:2:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6
>(Ultra/133) (using DMA)
>
>Note that this driver will only attach if the controller is in AHCI mode
>(there's usually a BIOS option for this); if it's in compat mode it'll
>be handled by piixide as before.

Very nice!

christos