[U-Boot] uboot information

[Simon Glass]

Hi,

On 22 March 2017 at 10:35, Sébastien Basset <sbasset at aviwest.com> wrote:
> 1/ No, As i am stuck on the mmc (pci controller internal soc),
> 2/ Now i try to boot on usb key, but i don't see controller usb
> Sorry, these are two different problems.

It is better to post at the bottom that the top, for mailing lists.

I think PCI XHCI has some problems. I'm not sure of its status.

MMC seems to work well on Minnowboard Max (baytrail) but I am not sure
about braswell. Is it perhaps a slightly different chip?

Regards,
Simon

>
>
>
> 2017-03-22 17:22 GMT+01:00 Simon Glass <sjg at chromium.org>:
>>
>> Hi,
>>
>> On 22 March 2017 at 08:20, Sébastien Basset <sbasset at aviwest.com> wrote:
>> > hi,
>> >
>> > i see controller:
>> >
>> >        src/soc/intel/braswell/chip.c/enable_dev ( Intel Braswell SoC ),
>> > type: 2
>> >        vendor: 0x8086. device: 0x2296
>> >        class: 0x08 Generic system peripheral
>> >        subclass: 0x05 SD Host controller
>> >        prog: 0x01
>> >        revision: 0x35
>> >        src/soc/intel/braswell/southcluster.c/southcluster_enable_dev (
>> > Intel
>> > Braswell SoC )
>> >        PCI: 00:12.0 [8086/2296] ops
>> >        PCI: 00:12.0 [8086/2296] enabled
>> >
>> > but i can't test sdcard in coreboot ...
>> >
>> > i had intel back on this issue, on braswell 3160 version, it's not
>> > possible
>> > of boot on sdcard :
>> > It can be found on page 31 of the Braswell** Design In for The Internet
>> > of
>> > Things (IoT) document 555139.
>> >
>> > it's very strange !!??
>> >
>> > else i try to boot on usb:
>> >
>> > I added node in dts file :
>> >
>> >         usb at 14,0 {
>> >             reg = <0x000a0000 0 0 0 0>;
>> >             compatible = "xhci-pci";
>> >         };
>> >
>> > is there another step for see controller with usb start command ?
>>
>> I thought you said it was MMC...do you mean it is a USB controller
>> with an USB->MMC device?
>>
>> Regards,
>> Simon
>>
>>
>> >
>> > Thank you for your information.
>> >
>> >
>> >
>> >
>> > 2017-03-22 14:05 GMT+01:00 Simon Glass <sjg at chromium.org>:
>> >>
>> >> Hi,
>> >>
>> >> On 18 March 2017 at 02:25, Sébastien Basset <sbasset at aviwest.com>
>> >> wrote:
>> >> > Hi,
>> >> >
>> >> > Coreboot load uboot as payload.
>> >>
>> >> Does the MMC work OK in coreboot?
>> >>
>> >> It is possible to load U-Boot from UEFI if that helps?
>> >>
>> >> - Simon
>> >>
>> >> >
>> >> > Le 17 mars 2017 19:14, "Simon Glass" <sjg at chromium.org> a écrit :
>> >> >>
>> >> >> +Bin
>> >> >>
>> >> >> Hi Sebastian,
>> >> >>
>> >> >> On 17 March 2017 at 11:23, Sébastien Basset <sbasset at aviwest.com>
>> >> >> wrote:
>> >> >> >
>> >> >> > Hello,
>> >> >> >
>> >> >> > Sorry for the inconvenience, i have problem for read  mmc on my
>> >> >> > board
>> >> >> > with braswell cpu, i would like test on other board, i have nuc
>> >> >> > intel
>> >> >> > with
>> >> >> > braswell,is there possible when there is already bios to load
>> >> >> > uboot ?
>> >> >> >
>> >> >> > else has any chance, I use coreboot + uboot, i would like run
>> >> >> > kernel
>> >> >> > on
>> >> >> > sdmmc, but i have an problem for communicate with sdcard. I read
>> >> >> > cid
>> >> >> > &
>> >> >> > reference of card but when try read SCR(version & bus width) of
>> >> >> > card,
>> >> >> > doesn't work . For read scr, it's first Transfer mode in SDMA .i
>> >> >> > had
>> >> >> > no
>> >> >> > error for read data but buffer is empty, why ?I use coreboot +
>> >> >> > uboot,
>> >> >> > i
>> >> >> > would like run kernel on sdmmc, but i have an problem for
>> >> >> > communicate
>> >> >> > with
>> >> >> > sdcard. I read cid & reference of card but when try read
>> >> >> > SCR(version
>> >> >> > & bus
>> >> >> > width) of card, doesn't work . For read scr, it's first Transfer
>> >> >> > mode
>> >> >> > in
>> >> >> > SDMA .i had no error for read data but buffer is empty, why ?
>> >> >>
>> >> >> Just to be clear, are you running U-Boot on top of Coreboot?
>> >> >>
>> >> >> Regards,
>> >> >> Simon
>> >
>> >
>
>