[flashrom] Failed flash on Intel Bay Trail platform

[Quinn Plattel]

Hi,

I fixed the bad flash by using a Beaglebone Black and the OpenWRT screwdriver package (recommended by the coreboot project).
Luckily, the board had pins directly to the flash via an SPI interface otherwise I might have had to use a Pomona clip.

Quinn

On 01/02/18 08:00, David Hendricks wrote:
Hi Quinn,

On Wed, Jan 31, 2018 at 5:01 AM, Quinn Plattel <q at bluetown.com<mailto:q at bluetown.com>> wrote:
13:56 < quinn> flashrom shows warning when reading or writing: BIOS region SMM
               protection is enabled!

Did you have any luck with this? There might be a BIOS setting in the menu that allows you to disable the SMM lock, and as icon suggested on IRC the speed racer exploit might also be a feasible workaround.

Another idea might be to try using coreboot on this board and simply not set the SMM lock bit until you need to do so ;-) There's a decent chance the Bayley Bay CRB implementation will work, though you may need to do some customization for your board: https://review.coreboot.org/cgit/coreboot.git/tree/src/mainboard/intel/bayleybay_fsp


Best regards,

Quinn Plattel
Senior Network Engineer - BLUETOWN

+45 53 70 85 67 - q at bluetown.com - Skype ID: dalilai
Per Henrik Lings Allé 4, 3rd Floor - 2100 Copenhagen O - DK - +45 31 66 00 07 - www.bluetown.com

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