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Re: [PATCH v6 10/22] usb: dwc2: host: Properly set the HFIR

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Kever,

On Sun, Jan 31, 2016 at 1:23 AM, Kever Yang <kever.yang@rock-chips.com> wrote:
> Doug,
>
> On 01/29/2016 10:20 AM, Douglas Anderson wrote:
>>
>> According to the most up to date version of the dwc2 databook, the FRINT
>> field of the HFIR register should be programmed to:
>> * 125 us * (PHY clock freq for HS) - 1
>> * 1000 us * (PHY clock freq for FS/LS) - 1
>
> I got 3 version of dwc_otg databook, 2.74a, 2.94a and 3.10a,
> all the doc describe the FrInt as:

Can you check to see if you can get 3.30a (October 2015)?


> * 125 us * (PHY clock freq for HS)
> * 1000 us * (PHY clock freq for FS/LS)
>
> Maybe John can help to check the design.

Yes, this really needs John or someone at Synopsys.


> There are some feature different in new and old version, but not sure
> if this is one of then.
>
> The doc says If no value is programmed, the corecalculates the value
> based on the PHY clock specified in the FS/LS PHY Clock select field of
> Host configuration register(HCFG.FLSLPclkSel), does this work?

It seems to.  It looks like that's what makes our firmware work.  I'm
not 100% sure if there are any downsides to that approach...

-Doug

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[PATCH v6 0/22] usb: dwc2: host: Fix and speed up all the stuff, especially with splits Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  [PATCH v6 09/22] usb: dwc2: host: Giveback URB in tasklet context Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  [PATCH v6 06/22] usb: dwc2: host: fix split transfer schedule sequence Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  [PATCH v6 15/22] usb: dwc2: host: Split code out to make dwc2_do_reserve() Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  [PATCH v6 22/22] usb: dwc2: host: If using uframe scheduler, end splits better Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  [PATCH v6 11/22] usb: dwc2: host: There's not really a TT for the root hub Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
    Re: [PATCH v6 11/22] usb: dwc2: host: There's not really a TT for  the root hub Kever Yang <kever.yang@rock-chips.com> - 2016-01-31 10:30 +0100
  [PATCH v6 02/22] usb: dwc2: host: Get aligned DMA in a more supported way Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  [PATCH v6 10/22] usb: dwc2: host: Properly set the HFIR Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
    Re: [PATCH v6 10/22] usb: dwc2: host: Properly set the HFIR Kever Yang <kever.yang@rock-chips.com> - 2016-01-31 10:30 +0100
      Re: [PATCH v6 10/22] usb: dwc2: host: Properly set the HFIR Doug Anderson <dianders@chromium.org> - 2016-01-31 23:20 +0100
  [PATCH v6 13/22] usb: dwc2: host: Rename some fields in struct dwc2_qh Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  [PATCH v6 04/22] usb: dwc2: host: Avoid use of chan->qh after qh freed Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  [PATCH v6 16/22] usb: dwc2: host: Add scheduler logging for missed SOFs Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  [PATCH v6 01/22] usb: dwc2: rockchip: Make the max_transfer_size automatic Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  [PATCH v6 17/22] usb: dwc2: host: Manage frame nums better in scheduler Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
    Re: [PATCH v6 17/22] usb: dwc2: host: Manage frame nums better in scheduler Doug Anderson <dianders@chromium.org> - 2016-02-03 21:40 +0100
  [PATCH v6 05/22] usb: dwc2: host: Always add to the tail of queues Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  [PATCH v6 19/22] usb: dwc2: host: Add dwc2_hcd_get_future_frame_number() call Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  [PATCH v6 03/22] usb: dwc2: host: Set host_rx_fifo_size to 525 for rk3066 Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  [PATCH v6 07/22] usb: dwc2: host: Add scheduler tracing Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  [PATCH v6 08/22] usb: dwc2: host: Add a delay before releasing periodic bandwidth Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  [PATCH v6 20/22] usb: dwc2: host: Properly set even/odd frame Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
    Re: [PATCH v6 20/22] usb: dwc2: host: Properly set even/odd frame Kever Yang <kever.yang@rock-chips.com> - 2016-02-02 08:50 +0100
      Re: [PATCH v6 20/22] usb: dwc2: host: Properly set even/odd frame Doug Anderson <dianders@chromium.org> - 2016-02-02 23:50 +0100
        Re: [PATCH v6 20/22] usb: dwc2: host: Properly set even/odd frame Kever Yang <kever.yang@rock-chips.com> - 2016-02-03 08:50 +0100
  [PATCH v6 18/22] usb: dwc2: host: Schedule periodic right away if it's time Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
    Re: [PATCH v6 18/22] usb: dwc2: host: Schedule periodic right away  if it's time Kever Yang <kever.yang@rock-chips.com> - 2016-01-31 10:40 +0100
      Re: [PATCH v6 18/22] usb: dwc2: host: Schedule periodic right away if  it's time Doug Anderson <dianders@chromium.org> - 2016-01-31 23:10 +0100
        Re: [PATCH v6 18/22] usb: dwc2: host: Schedule periodic right away  if it's time Kever Yang <kever.yang@rock-chips.com> - 2016-02-01 04:40 +0100
          Re: [PATCH v6 18/22] usb: dwc2: host: Schedule periodic right away if  it's time Doug Anderson <dianders@chromium.org> - 2016-02-01 05:40 +0100
            Re: [PATCH v6 18/22] usb: dwc2: host: Schedule periodic right away if  it's time Doug Anderson <dianders@chromium.org> - 2016-02-02 01:40 +0100
              Re: [PATCH v6 18/22] usb: dwc2: host: Schedule periodic right away  if it's time Kever Yang <kever.yang@rock-chips.com> - 2016-02-02 08:10 +0100
                Re: [PATCH v6 18/22] usb: dwc2: host: Schedule periodic right away if  it's time Doug Anderson <dianders@chromium.org> - 2016-02-03 00:40 +0100
  [PATCH v6 14/22] usb: dwc2: host: Reorder things in hcd_queue.c Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  [PATCH v6 12/22] usb: dwc2: host: Use periodic interrupt even with DMA Douglas Anderson <dianders@chromium.org> - 2016-01-29 03:30 +0100
  Re: [PATCH v6 0/22] usb: dwc2: host: Fix and speed up all the  stuff, especially with splits John Youn <John.Youn@synopsys.com> - 2016-02-03 01:00 +0100
    Re: [PATCH v6 0/22] usb: dwc2: host: Fix and speed up all the stuff,  especially with splits Doug Anderson <dianders@chromium.org> - 2016-02-03 19:30 +0100

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