Iru Cai wrote: > What we need to do is to find out how the BIOS > code initialize the EC so that the machine can be brought up.
I can think of two ways. 1. Software - use SerialICE for dynamic analysis of the factory BIOS. 2. Hardware - monitor the LPC bus or see if the EC maybe has tracing or its debug UART enabled. The datasheet is good. I would tend to 2, but 1 requires no dealing with hardware. Alexander Couzens wrote an LPC sniffer for iCE40 FPGAs: https://github.com/lynxis/lpc_sniffer Someone modified it to only report specific addresses, that might be useful with the EC too: (But I wish they had just cloned lynxis repo..) https://github.com/denandz/lpc_sniffer_tpm //Peter _______________________________________________ coreboot mailing list -- [email protected] To unsubscribe send an email to [email protected]
