[SeaBIOS] Failure to detect high-capacity SD card

Chris coderight at gmail.com
Mon Sep 3 23:46:31 CEST 2018


On Mon, Sep 3, 2018 at 5:34 PM, Kevin O'Connor <kevin at koconnor.net> wrote:
> On Fri, Aug 24, 2018 at 10:45:55AM -0400, Chris wrote:
>> On Fri, Aug 24, 2018 at 10:28 AM, Kevin O'Connor <kevin at koconnor.net> wrote:
>> > On Fri, Aug 24, 2018 at 09:48:27AM -0400, Chris wrote:
>> >> On Fri, Aug 24, 2018 at 9:28 AM, Chris <coderight at gmail.com> wrote:
>> >> > So far it has worked on the first attempt every time. So it needs only
>> >> > the delay and nothing else.
>> >> >
>> >> > I still need to test with all my SD cards. Though I only have a 64GB
>> >> > Sandisk and a handful of 32GB Samsung. The question is whether or not
>> >> > the delay is dependent on the card type or if it's just the controller
>> >> > that needs to stabilize.
>> >>
>> >> OK, I tested all the cards I have and everything works. Attached is
>> >> the simplified patch. Hopefully someone can test other cards. I'm
>> >> interested to know if 128+GB and 16GB works.
>> >
>> > Thanks.  If you increase SDHCI_POWER_ON_TIME instead, does that also
>> > work?
>> >
>> > -Kevin
>>
>> Yes. Seems to work the same so far using the same delay (5).
>
> Thanks.  I committed this change.


FWIW I have been really hammering this and so far it is working
perfectly. Machine starts a lot faster too because it used to hang for
a while before bringing up the boot menu. I can finally use this
machine to run custom installs (eg. for Klipper, etc).

Thanks!
Chris



More information about the SeaBIOS mailing list