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    SubjectRe: [linux-usb] Re: cpia & usb problems
    On Wed, Feb 16, 2000, Johannes Erdfelt <jerdfelt@sventech.com> wrote:
    > On Thu, Feb 17, 2000, Chris Wedgwood <cw@f00f.org> wrote:
    > > > How old is the machine? It may be a pre USB 1.1 (or even 1.0) Host
    > > > Controller.
    > >
    > > Old? Umm? It still says Digital on it, not Compaq. I guess 96 or
    > > perhaps earlier? I think the BIOS on it was around '96 and USB
    > > ignorant until I put the most recent ('98) version on it.
    >
    > I'm curious, there's a version register we ignore. I'll whip up a patch
    > which displays it atleast to see what version it claims to be.

    Here it is.

    There's only 2 possible values for this: 00 and 10. It should be 10 if
    it's a 1.0 release number.

    I get 10 on my VIA and Intel controllers.

    JE

    --- drivers/usb/uhci.c.old Tue Feb 8 17:11:13 2000
    +++ drivers/usb/uhci.c Wed Feb 16 15:25:52 2000
    @@ -2032,6 +2032,12 @@
    /* disable legacy emulation */
    pci_write_config_word(dev, USBLEGSUP, USBLEGSUP_DEFAULT);

    + {
    + char foo;
    + pci_read_config_byte(dev, 0x60, &foo);
    + printk("uhci: serial bus release number %02X\n", foo);
    + }
    +
    pci_enable_device(dev);

    if (!dev->irq) {
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      Last update: 2005-03-22 13:56    [W:0.021 / U:1.264 seconds]
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