On Tue, Feb 26, 2019, 09:38 Joe Sypniewski via flashrom <flashrom@flashrom.org wrote:
./flashrom -p internal:ich_spi_forces=yes -V -N --ifd -i bios -w peppy/coreboot-peppy-seabios-latest.ro    m  > ferr.txt 2>&1

To write logs, you can use the -o/--output command line switch.

Error accessing ICH RCRB, 0x4000 bytes at 0x00000000fed1c000
/dev/mem mmap failed: Operation not permitted

Your kernel restricts access to /dev/mem. Try using the following kernel parameter: iomem=relaxed

Best regards,

Angel Pons