CVS commit: src/sys/dev

["SAITOH Masanobu" <msaitoh%netbsd.org@localhost>]

Module Name:    src
Committed By:   msaitoh
Date:           Tue Oct 11 09:18:22 UTC 2022

Modified Files:
        src/sys/dev/pci: xhci_pci.c
        src/sys/dev/usb: xhci.c xhcivar.h

Log Message:
There is an xHCI device which has USB 2 port only. Support it.

 - Example:

xhci4 at pci17 dev 0 function 0: AMD product 15b8 (rev. 0x00)
xhci4: 64-bit DMA
allocated pic msix10 type edge pin 0 level 6 to cpu0 slot 32 idt entry 107
xhci4: interrupting at msix10 vec 0
xhci4: xHCI version 1.20
xhci4: hcs1=1000840 hcs2=140000f1 hcs3=7000a
xhci4: hcc=0x110ffc5<XECP=0x110,MAXPSA=0xf,CFC,SEC,SPC,PAE,NSS,LTC,CSZ,AC64>
xhci4: xECP 440
xhci4: hcc2=0x3f<CIC,LEC,CTC,FSC,CMC,U3C>
xhci4: ECR: 0x00000401
xhci4: ECR: 0x02000402
xhci4:  SP: 0x02000402 0x20425355 0x00180101 0x00000000
xhci4:  hs ports 1 - 1
xhci4: ECR: 0x000f000a
xhci4: PAGESIZE 0x00000001
xhci4: sc_pgsz 0x00001000
xhci4: sc_maxslots 0x00000040
xhci4: sc_maxports 1
xhci4: sc_maxspbuf 2
xhci4: eventst: 0x000000013ee60fc0 0xffffb08826f5afc0 1000
xhci4: dcbaa: 0x000000013ee63000 0xffffb08826f5b000 1000
xhci4: current IMOD 0
(snip)
usb8 at xhci4: USB revision 3.1
usb9 at xhci4: USB revision 2.0
uhub8 at usb8: NetBSD (0x0000) xHCI root hub (0x0000), class 9/0, rev 3.00/1.00, addr 0
uhub8: 0 ports with 0 removable, self powered
uhub8: no ports, hub ignored
uhub8: WARNING: power management not supported
autoconfiguration error: usb8: root device is not a hub
usb8: WARNING: power management not supported
uhub9 at usb9: NetBSD (0x0000) xHCI root hub (0x0000), class 9/0, rev 2.00/1.00, addr 0
uhub9: 1 port with 1 removable, self powered

 - To resolve this problem, keep number of ports of SS and HS and use
   it to attach child device(s).
 - Tested on ASUS TUF GAMING X670E-PLUS.
 - OK'd by skrll@.


To generate a diff of this commit:
cvs rdiff -u -r1.30 -r1.31 src/sys/dev/pci/xhci_pci.c
cvs rdiff -u -r1.172 -r1.173 src/sys/dev/usb/xhci.c
cvs rdiff -u -r1.21 -r1.22 src/sys/dev/usb/xhcivar.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.