[coreboot] USB to Serial Converters

David Hendricks david.hendricks at gmail.com
Tue Jul 31 23:36:29 CEST 2018


[re-adding the list while we're at it]

On Tue, Jul 31, 2018 at 2:34 PM, David Hendricks
<david.hendricks at gmail.com> wrote:
> Hi Zahra,
> That header may be out of date
> (https://mail.coreboot.org/pipermail/coreboot/2017-August/084800.html).
>
> I had to manually download the microcode file corresponding to my
> processor SKU from Intel. Use the link I sent you earlier to download
> Baytrail_FSP_Gold4.tgz and see if the microcode headers included in
> that tarball match your processor. The Atom on my Minnowboard Turbot
> has a CPUID of 30679, so I needed to use M0130679901.h.
>
> (note that the Minnowboard Max uses an Atom E3825, while the Turbot
> uses an E3826 dual-core SoC or E3845 quad-core SoC)
>
> On Mon, Jul 30, 2018 at 2:36 AM, zahra rahimkhani
> <zrahimkhani2014 at gmail.com> wrote:
>>
>> Dear David
>>
>> for Microcode file I just it from coreboot source from this path
>> coreboot/3rdparty/blobs/soc/intel/baytrail/microcode_blob.h
>>
>> Is that good ?
>>
>> Thanks ,
>>
>>
>> On Sun, Jul 29, 2018 at 1:18 PM zahra rahimkhani <zrahimkhani2014 at gmail.com>
>> wrote:
>>>
>>> Hi David,
>>>
>>> Thank you very much for your guide.
>>>
>>> I got this comments on my config and changes it based on your config.
>>> But I can not see any thing on output.
>>> Could you tell me  which Uart pins do you use on Minnowboard max
>>>
>>> I used it 6 pin that are separately on board .
>>>
>>> I would be grateful if you guide me .
>>> I got my new config here .
>>> https://paste.flashrom.org/view.php?id=3097
>>>
>>> Also , Could you tell me what is this parameter
>>> CONFIG_UART_FOR_CONSOLE=0
>>> and
>>> CONFIG_DRIVERS_UART_8250IO
>>>
>>> Cheers!
>>> Zahra
>>>
>>>
>>>
>>> On Fri, Jul 27, 2018 at 11:06 AM David Hendricks
>>> <david.hendricks at gmail.com> wrote:
>>>>
>>>> Hi Zahra,
>>>>
>>>>> I got my config file here
>>>>> https://paste.flashrom.org/view.php?id=3096
>>>>
>>>>
>>>> Thanks, that helps a lot!
>>>>
>>>> The last config that I tested is
>>>> https://review.coreboot.org/cgit/board-status.git/plain/intel/minnowmax/4.6-1358-g49d117c69f/2017-09-06T06_53_39Z/config.txt
>>>>
>>>> If you diff my config and yours, it seems you have several options
>>>> disabled which I think you should try enabling:
>>>> CONFIG_HAVE_IFD_BIN
>>>> CONFIG_HAVE_ME_BIN
>>>> CONFIG_TTYS0_LCS
>>>> CONFIG_DRIVERS_UART_8250IO
>>>> CONFIG_IFD_BIN_PATH
>>>> CONFIG_ME_BIN_PATH
>>>> CONFIG_LOCK_MANAGEMENT_ENGINE
>>>> CONFIG_DRIVERS_UART
>>>> CONFIG_CONSOLE_SERIAL
>>>> CONFIG_CONSOLE_SERIAL_115200
>>>>
>>>> You can find these by using the search function in `make menuconfig`.
>>>> Press '/' and type a Kconfig option.
>>>>
>>>>> I would be grateful if you check my config and tell me what is ifdtool
>>>>> in Coreboot and how
>>>>> I  use it.
>>>>> and How I find  Intel ME file for my board and GBE for a network on my
>>>>> board.
>>>>
>>>>
>>>> ifdtool is a tool for viewing and manipulating an Intel Flash Descriptor
>>>> binary. The flash descriptor is a 4KB data structure at the start of the
>>>> ROM's address space (offset 0x000000-0x000fff).
>>>>
>>>> To build it: `make -C util/ifdtool`
>>>> To run it: `util/ifdtool/ifdtool`
>>>>
>>>> You'll probably want to use the '-x' option to extract the individual
>>>> modules from an existing Minnowboard Max firmware image (e.g. the UEFI image
>>>> that comes with the board). That will give you the ME and GBE files.
>>>>
>>



More information about the coreboot mailing list