[coreboot] Coreboot for Apollolake

[David Hendricks]

Hi Antony,
There are a few components which compose a complete firmware image for
Intel platforms: coreboot, FSP, microcode, management engine blob, and
flash descriptor are the most common ones.

For the flash descriptor, refer to the Apollo Lake SoC SPI and signed
Master Image Profile (SMIP) Programming Guide, docid 559702. Chapter 4
explains the flash descriptor for Apollo Lake in detail.

Once you have created a flash descriptor, you can add it to the firmware
image using coreboot's config system (under "Chipset").

On Tue, Sep 18, 2018 at 1:43 AM Antony AbeePrakash X V <
AntonyAbee.PrakashXV at lnttechservices.com> wrote:

> Hi,
>
>
>
> We would like to build coreboot image for Apollo lake platform. We are
> using
>
>    - Coreboot-4.8.1
>    - Apollo lake Intel FSP_2_0
>
>
>
> We have built the coreboot source and created coreboot.rom image with the
> below warning message:
>
> *                ** WARNING ***
>
> *coreboot will be built without an Intel Firmware Descriptor.*
>
> *Never write a complete coreboot.rom without an IFD to your*
>
> *board's flash chip! You can use flashrom's IFD or layout*
>
> *parameters to flash only to the BIOS region.*
>
>
>
> Is the coreboot.rom image is enough to flash ? Could you please provide
> feedback on this ?
>
>
>
> Thanks & Regards,
>
> Antony
>
>
>
> *L&T Technology Services Ltd*
>
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