I have a Intel 31244 (PCI-X to SATA). This component supports 2 modes : IDE or DPA (Direct Port Access) and we use it in DPA. It's work fine in DPA mode under Linux with driver Vitesse (sata_vsc.c). DPA mode seems to be like IDE unlike : - access type (memory instead of i/o) - registers offsets (4 independents ports instead of Master/Slave config).

To boot with SII3112 in IDE mode, did you need to patch cmd_ide or standard code works ?

Depends on the SATA disk controller. I've booted a SII3112

directly

using the ATA driver sice that chip happens to have a IDE (PATA) compatability layer. Newer controllers use AHCI standard for the interface, and

needs a

completely different driver. I ended up just booting the kernel image from FLASH instead....

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