Hi,
I get a complete lock-up while booting during initialisation of my
SIS7002 EHCI controller.
When enabling USB2.0 support, but disabling 'legacy' mode everything
is fine. I just can't use my usb keyboard to talk to the boot> prompt.
When I enable legacy mode, but set USB2.0 to 'FullSpeed' I just get
this:
ehci0: timed out waiting for BIOS
I had a look at the source, but don't really get it whether this is
bad. I could not find corresponding code in the Linux kernel.
It seems to be about handing over the host controler to the OS after
the bios used it for 'legacy' mode. Why is this only needed for
USB2.0? I thought my keyboard and mouse were USB1.0 devices!?
When I enable legacy mode and set USB2.0 to 'HighSpeed' I get the
above message and the kernel locks up completely.
I added some DPRINTF()s to the relevant sections. (See below)
The strange thing is that the last thing the kernel prints out is
ehci: before loop
so the kernel manages to do the printf, but doesn't manage to do the
funtion call to usb_delay_ms and another printf.
Now I had a look at the linux ehci driver, because with knoppix I have
no problems using USB2.0. You can find the corresponding section of
the linux driver below.
The linux kernel protects itself by "write-locking" the call to
ehci_writel, but I have no clue what this means and no clue how to
achieve this in OpenBSD. The call to down_write() seems to lock a
semaphore. Any help to fix this is appreciated.
Christopher
P.S.
Another interesting observation: When removing my AGB graphics adaptor
and using the onboard graphics chip I have no problems with USB at
all.
= LINUX =====================================================
drivers/usb/host/ehci-hcd.c:662
/*
* Start, enabling full USB 2.0 functionality ... usb 1.1 devices
* are explicitly handed to companion controller(s), so no TT is
* involved with the root hub. (Except where one is integrated,
* and there's no companion controller unless maybe for USB OTG.)
*
* Turning on the CF flag will transfer ownership of all ports
* from the companions to the EHCI controller. If any of the
* companions are in the middle of a port reset at the time, it
* could cause trouble. Write-locking ehci_cf_port_reset_rwsem
* guarantees that no resets are in progress. After we set CF,
* a short delay lets the hardware catch up; new resets shouldn't
* be started before the port switching actions could complete.
*/
down_write(&ehci_cf_port_reset_rwsem);
hcd->state = HC_STATE_RUNNING;
ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */
msleep(5);
up_write(&ehci_cf_port_reset_rwsem);
ehci->last_periodic_enable = ktime_get_real();
= OpenBSD ===================================================
dev/usb/ehci.c:505
/* Take over port ownership */
EOWRITE4(sc, EHCI_CONFIGFLAG, EHCI_CONF_CF);
DPRINTFN(2, ("ehci: before loop\n"));
/* LOCKUP HAPPENS HERE */
for (i = 0; i < 100; i++) {
usb_delay_ms(&sc->sc_bus, 1);
DPRINTFN(2, ("ehci: after sleep %d\n", i));
= OpenBSD ====================================================
dev/usb/usb_subr.c:336
/* Delay for a certain number of ms */
void
usb_delay_ms(usbd_bus_handle bus, u_int ms)
{
/* Wait at least two clock ticks so we know the time has passed. */
if (bus->use_polling || cold) {
DPRINTF(("usb_delay_ms: delaying for %u ms\n", ms));
delay((ms+1) * 1000);
}
else {
DPRINTF(("usb_delay_ms: tsleeping for %u ms\n", ms));
tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1);
}
}
==============================================================
dmesg with 'legacy' turned on, but only 'FullSpeed':
OpenBSD 4.7 (sys) #6: Sun Mar 7 16:14:48 CET 2010
madro...@pundit:/var/obj/sys
real mem = 1071841280 (1022MB)
avail mem = 1031872512 (984MB)
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.3 @ 0xf04b0 (57 entries)
bios0: vendor American Megatrends Inc. version "0603" date 03/31/2006
bios0: ASUSTeK Computer INC. K8S-MV-P
acpi0 at bios0: rev 2
acpi0: tables DSDT FACP APIC OEMB
acpi0: wakeup devices PS2K(S4) PS2M(S4) EUSB(S4) USB_(S4) USB2(S4) USB3(S4)
AC97(S4) MC97(S4) PCI1(S4) PCI2(S4) MAC_(S4)
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: AMD Sempron(tm) Processor 3000+, 1795.72 MHz
cpu0:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,NXE,MMXX,FFXSR,LONG,3DNOW2,3DNOW
cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 128KB 64b/line
16-way L2 cache
cpu0: ITLB 32 4KB entries fully associative, 8 4MB entries fully associative
cpu0: DTLB 32 4KB entries fully associative, 8 4MB entries fully associative
cpu0: AMD erratum 89 present, BIOS upgrade may be required
cpu0: apic clock running at 199MHz
ioapic0 at mainbus0: apid 1 pa 0xfec00000, version 14, 24 pins
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus 1 (P0P1)
acpiprt2 at acpi0: bus 2 (P0P6)
acpiprt3 at acpi0: bus 3 (P0P7)
acpicpu0 at acpi0: PSS
aibs0 at acpi0
acpibtn0 at acpi0: PWRB
cpu0: Cool'n'Quiet K8 1795 MHz: speeds: 1800 1000 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "SiS 760 PCI" rev 0x03
agp at pchb0 not configured
ppb0 at pci0 dev 1 function 0 "SiS 86C202 VGA" rev 0x00
pci1 at ppb0 bus 1
vga1 at pci1 dev 0 function 0 "NVIDIA GeForce FX 5200" rev 0xa1
wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
pcib0 at pci0 dev 2 function 0 "SiS 965 ISA" rev 0x48
pciide0 at pci0 dev 2 function 5 "SiS 5513 EIDE" rev 0x01: 760: DMA, channel 0
wired to compatibility, channel 1 wired to compatibility
atapiscsi0 at pciide0 channel 0 drive 0
scsibus0 at atapiscsi0: 2 targets
cd0 at scsibus0 targ 0 lun 0: <TSSTcorp, DVD-ROM SH-D162C, TS04> ATAPI 5/cdrom
removable
cd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2
pciide0: channel 1 disabled (no drives)
auich0 at pci0 dev 2 function 7 "SiS 7012 AC97" rev 0xa0: apic 1 int 18 (irq
11), SiS7012 AC97
ac97: codec id 0x41445368 (Analog Devices AD1888)
ac97: codec features headphone, 20 bit DAC, No 3D Stereo
audio0 at auich0
ohci0 at pci0 dev 3 function 0 "SiS 5597/5598 USB" rev 0x0f: apic 1 int 20 (irq
5), version 1.0, legacy support
ohci1 at pci0 dev 3 function 1 "SiS 5597/5598 USB" rev 0x0f: apic 1 int 21 (irq
10), version 1.0, legacy support
ohci2 at pci0 dev 3 function 2 "SiS 5597/5598 USB" rev 0x0f: apic 1 int 22 (irq
5), version 1.0, legacy support
ehci0 at pci0 dev 3 function 3 "SiS 7002 USB" rev 0x00ehci0: offs=32
: apic 1 int 23 (irq 10)
ehci0: waiting for BIOS to give up control
ehci0: timed out waiting for BIOS
ehci_init: start
ehci0: EHCI version 1.0
ehci_init: sparams=0x103308
ehci_init: cparams=0x7070
ehci0: resetting
ehci0: flsize=1024
ehci_alloc_sqh: allocating chunk
ehci_alloc_sqh: allocating chunk
ehci_alloc_sqh: allocating chunk
ehci_alloc_sqh: allocating chunk
ehci_alloc_sqh: allocating chunk
ehci_alloc_sqh: allocating chunk
ehci_alloc_sqh: allocating chunk
ehci_alloc_sqh: allocating chunk
QH(0xffff80000edc5000) at 0x02b58000:
link=0x02b58002<QH>
endp=0x0000a000
addr=0x00 inact=0 endpt=0 eps=2 dtc=0 hrecl=1
mpl=0x0 ctl=0 nrl=0
endphub=0x00000000
smask=0x00 cmask=0x00 huba=0x00 port=0 mult=0
curqtd=0x00000001<T>
Overlay qTD:
next=0x00000001<T> altnext=0x00000001<T>
status=0x00000040: toggle=0 bytes=0x0 ioc=0 c_page=0x0
cerr=0 pid=0 stat=0x40<HALTED>
buffer[0]=0x00000000
buffer[1]=0x00000000
buffer[2]=0x00000000
buffer[3]=0x00000000
buffer[4]=0x00000000
ehci: before loop
ehci: after sleep 0
ehci: after EOREAD
ehci: after loop
usb0 at ehci0: USB revision 2.0
ehci_open: pipe=0xffff80000013ec00, addr=0, endpt=0 (0)
ehci_root_ctrl_start: type=0x80 request=06
ehci_root_ctrl_start: wValue=0x0100
ehci_root_ctrl_start: type=0x80 request=06
ehci_root_ctrl_start: wValue=0x0100
ehci_root_ctrl_start: type=0x00 request=05
ehci_root_ctrl_start: type=0x80 request=06
ehci_root_ctrl_start: wValue=0x0300
ehci_root_ctrl_start: type=0x80 request=06
ehci_root_ctrl_start: wValue=0x0300
ehci_root_ctrl_start: type=0x80 request=06
ehci_root_ctrl_start: wValue=0x0301
ehci_root_ctrl_start: type=0x80 request=06
ehci_root_ctrl_start: wValue=0x0301
ehci_root_ctrl_start: type=0x80 request=06
ehci_root_ctrl_start: wValue=0x0302
ehci_root_ctrl_start: type=0x80 request=06
ehci_root_ctrl_start: wValue=0x0302
uhub0 at usb0ehci_root_ctrl_start: type=0x80 request=06
ehci_root_ctrl_start: wValue=0x0301
ehci_root_ctrl_start: type=0x80 request=06
ehci_root_ctrl_start: wValue=0x0301
ehci_root_ctrl_start: type=0x80 request=06
ehci_root_ctrl_start: wValue=0x0302
ehci_root_ctrl_start: type=0x80 request=06
ehci_root_ctrl_start: wValue=0x0302
"SiS EHCI root hub" rev 2.00/1.00 addr 1
ehci_root_ctrl_start: type=0x80 request=06
ehci_root_ctrl_start: wValue=0x0200
ehci_root_ctrl_start: type=0x80 request=06
ehci_root_ctrl_start: wValue=0x0200
ehci_root_ctrl_start: type=0x00 request=09
ehci_root_ctrl_start: type=0xa0 request=06
ehci_root_ctrl_start: type=0xa0 request=06
ehci_open: pipe=0xffff80000013fc00, addr=1, endpt=129 (1)
ehci_root_ctrl_start: type=0x23 request=03
ehci_root_ctrl_start: set port power 1
ehci_root_ctrl_start: type=0x23 request=03
ehci_root_ctrl_start: set port power 2
ehci_root_ctrl_start: type=0x23 request=03
ehci_root_ctrl_start: set port power 3
ehci_root_ctrl_start: type=0x23 request=03
ehci_root_ctrl_start: set port power 4
ehci_root_ctrl_start: type=0x23 request=03
ehci_root_ctrl_start: set port power 5
ehci_root_ctrl_start: type=0x23 request=03
ehci_root_ctrl_start: set port power 6
ehci_root_ctrl_start: type=0x23 request=03
ehci_root_ctrl_start: set port power 7
ehci_root_ctrl_start: type=0x23 request=03
ehci_root_ctrl_start: set port power 8
sgb0 at pci0 dev 4 function 0 "SiS 190" rev 0x00invalid EEPROM signature (0)
: apic 1 int 19 (irq 5), address 00:15:f2:64:0c:83
rlphy0 at sgb0 phy 1: RTL8201L 10/100 PHY, rev. 1
pciide1 at pci0 dev 5 function 0 "SiS 182 SATA" rev 0x01: DMA
pciide1: using apic 1 int 17 (irq 10) for native-PCI interrupt
wd0 at pciide1 channel 0 drive 0: <SAMSUNG SP2504C>
wd0: 16-sector PIO, LBA48, 238475MB, 488397168 sectors
wd0(pciide1:0:0): using PIO mode 4, Ultra-DMA mode 6
ppb1 at pci0 dev 6 function 0 "SiS PCI-PCI" rev 0x00
pci2 at ppb1 bus 2
ppb2 at pci0 dev 7 function 0 "SiS PCI-PCI" rev 0x00
pci3 at ppb2 bus 3
pchb1 at pci0 dev 24 function 0 "AMD AMD64 0Fh HyperTransport" rev 0x00
pchb2 at pci0 dev 24 function 1 "AMD AMD64 0Fh Address Map" rev 0x00
pchb3 at pci0 dev 24 function 2 "AMD AMD64 0Fh DRAM Cfg" rev 0x00
kate0 at pci0 dev 24 function 3 "AMD AMD64 0Fh Misc Cfg" rev 0x00
isa0 at pcib0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
pckbc0 at isa0 port 0x60/5
pcppi0 at isa0 port 0x61
midi0 at pcppi0: <PC speaker>
spkr0 at pcppi0
lpt0 at isa0 port 0x378/4 irq 7
wbsio0 at isa0 port 0x2e/2: W83627EHF rev 0x54
lm1 at wbsio0 port 0x290/8: W83627EHF-A
usb1 at ohci0: USB revision 1.0
uhub1 at usb1 "SiS OHCI root hub" rev 1.00/1.00 addr 1
usb2 at ohci1: USB revision 1.0
uhub2 at usb2 "SiS OHCI root hub" rev 1.00/1.00 addr 1
usb3 at ohci2: USB revision 1.0
uhub3 at usb3 "SiS OHCI root hub" rev 1.00/1.00 addr 1
ehci_intr1: enter
ehci_intr1: sc=0xffff800000164000 intrs=0xc(0xc00c) eintrs=0x4
ehci_pcd: change=0x18
mtrr: Pentium Pro MTRR support
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=1
ehci_root_ctrl_start: port status=0x1000
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=2
ehci_root_ctrl_start: port status=0x1000
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=3
ehci_root_ctrl_start: port status=0x1403
ehci_root_ctrl_start: type=0x23 request=01
ehci_root_ctrl_start: UR_CLEAR_PORT_FEATURE port=3 feature=16
ehci_root_ctrl_start: type=0x23 request=03
ehci_root_ctrl_start: reset port 3
ehci_disown: index=3 lowspeed=1
ehci_intr1: enter
ehci_intr1: sc=0xffff800000164000 intrs=0xc(0xc00c) eintrs=0x4
ehci_pcd: change=0x18
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=3
ehci_root_ctrl_start: port status=0x3002
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=3
ehci_root_ctrl_start: port status=0x3002
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=4
ehci_root_ctrl_start: port status=0x1403
ehci_root_ctrl_start: type=0x23 request=01
ehci_root_ctrl_start: UR_CLEAR_PORT_FEATURE port=4 feature=16
ehci_root_ctrl_start: type=0x23 request=03
ehci_root_ctrl_start: reset port 4
ehci_disown: index=4 lowspeed=1
ehci_intr1: enter
ehci_intr1: sc=0xffff800000164000 intrs=0x4(0xc004) eintrs=0x4
ehci_pcd: change=0x18
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=4
ehci_root_ctrl_start: port status=0x3002
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=4
ehci_root_ctrl_start: port status=0x3002
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=5
ehci_root_ctrl_start: port status=0x1000
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=6
ehci_root_ctrl_start: port status=0x1000
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=7
ehci_root_ctrl_start: port status=0x1000
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=8
ehci_root_ctrl_start: port status=0x1000
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=1
ehci_root_ctrl_start: port status=0x1000
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=2
ehci_root_ctrl_start: port status=0x1000
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=3
ehci_root_ctrl_start: port status=0x3002
ehci_root_ctrl_start: type=0x23 request=01
ehci_root_ctrl_start: UR_CLEAR_PORT_FEATURE port=3 feature=16
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=4
ehci_root_ctrl_start: port status=0x3002
ehci_root_ctrl_start: type=0x23 request=01
ehci_root_ctrl_start: UR_CLEAR_PORT_FEATURE port=4 feature=16
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=5
ehci_root_ctrl_start: port status=0x1000
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=6
ehci_root_ctrl_start: port status=0x1000
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=7
ehci_root_ctrl_start: port status=0x1000
ehci_root_ctrl_start: type=0xa3 request=00
ehci_root_ctrl_start: get port status i=8
ehci_root_ctrl_start: port status=0x1000
uhidev0 at uhub1 port 2 configuration 1 interface 0 "Sun Microsystems Type 6
Keyboard" rev 1.10/2.00 addr 2
uhidev0: iclass 3/1
ukbd0 at uhidev0: 8 modifier keys, 6 key codes, country code 33
wskbd0 at ukbd0: console keyboard, using wsdisplay0
uhidev1 at uhub3 port 1 configuration 1 interface 0 "Logitech USB Optical
Mouse" rev 2.00/43.01 addr 2
uhidev1: iclass 3/1
ums0 at uhidev1: 3 buttons, Z dir
wsmouse0 at ums0 mux 0
vscsi0 at root
scsibus1 at vscsi0: 256 targets
softraid0 at root
root on wd0a swap on wd0b dump on wd0b
splassert: if_up: want 5 have 7
