99f65e3efe
initialize the controller. According to the datasheet, the old code checks if port 2 (P2E, 0x4) was the only enabled port (except port 0, which was ignored by mask 0xfe), and issue a write to the PCS register to disable all but port 0, right before ahci_ctlr_reset. Some other operating systems would issue a port enable to all ports, but since the current code only does the special initialization for ICH8M, it entirely and rely on BIOS to do the right thing (the alternative would be https://reviews.freebsd.org/D18300?id=50922 , should we see reports that we really need to do it). Reviewed by: mav MFC after: 3 months Differential Revision: https://reviews.freebsd.org/D18300 |
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|---|---|---|
| .. | ||
| ahci_generic.c | ||
| ahci_mv_fdt.c | ||
| ahci_pci.c | ||
| ahci.c | ||
| ahci.h | ||
| ahciem.c | ||