RE: [Qemu-devel] USB EHCI development nearing completion

[Mark B]

Apologies for the missed semi-colon - I edited the vendor id after the fact.

Looks like I chopped the call to init as well.  You'll need this:

--- qemu-0.8.2/hw/pc.c  2006-07-22 17:23:34.000000000 +0100
+++ qemu-dev/hw/pc.c    2007-12-04 20:17:16.000000000 +0000
@@ -842,6 +842,8 @@
         usb_uhci_init(pci_bus, piix3_devfn + 2);
     }
 
+    usb_ehci_init(pci_bus, piix3_devfn + 4);
+     
     if (pci_enabled && acpi_enabled) {
         piix4_pm_init(pci_bus, piix3_devfn + 3);
     }

After that it should just be a question of adding devices with -usbdevice or
whatever.  Since ehci is initialized after uhci, its ports are top of the
free list and get allocated first.  Ehci *should* hand-off low or full speed
devices to a companion controller but that's TBD for now.

Mark



-----Original Message-----
From: address@hidden
[mailto:address@hidden On Behalf Of
Christian MICHON
Sent: 04 January 2007 09:53
To: address@hidden
Subject: Re: [Qemu-devel] USB EHCI development nearing completion

I tested it on win32 host.
Apparently a typo mistake (see updated patch)

how to use it ?

diff -Nur ehci.patch ehci-xian.patch
--- ehci.patch  Thu Jan  4 09:50:17 2007
+++ ehci-xian.patch     Thu Jan  4 10:40:26 2007
@@ -1722,7 +1722,7 @@
 +    printf ("buffer is %p (+%d)\n", s->buffer, (uint8_t*)s->buffer -
(uint8_t*)s);
 +
 +    pci_conf = s->dev.config;
-+    pci_conf[0x00] = 0x86
++    pci_conf[0x00] = 0x86;
 +    pci_conf[0x01] = 0x80; // Intel VID
 +    pci_conf[0x02] = 0x55;
 +    pci_conf[0x03] = 0x55; // Made up product ID


On 1/4/07, Mark B <address@hidden> wrote:
>
> Paul,
>
> I don't see anything to do with EHCI in Chromium.  I was just referring to
> the 3D patch as an example - maybe this is causing confusion.
>
> Did anyone else get a chance to look at the EHCI emulation patch?
>
> Thanks,
>
> Mark
>

--
Christian


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