From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?UTF-8?Q?S=C3=A9bastien_Basset?= <sbasset@aviwest.com>
Date: Wed, 22 Mar 2017 17:35:16 +0100
Subject: [U-Boot] uboot information
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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.



2017-03-22 17:22 GMT+01:00 Simon Glass <sjg@chromium.org>:

> Hi,
>
> On 22 March 2017 at 08:20, Sébastien Basset <sbasset@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@chromium.org>:
> >>
> >> Hi,
> >>
> >> On 18 March 2017 at 02:25, Sébastien Basset <sbasset@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@chromium.org> a écrit :
> >> >>
> >> >> +Bin
> >> >>
> >> >> Hi Sebastian,
> >> >>
> >> >> On 17 March 2017 at 11:23, Sébastien Basset <sbasset@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
> >
> >
>