well, time to learn Amaranth. I have an LPC bus to fuck with, and my Glasgow just arrived 
GitHub - OpenPOWERFoundation/lpcperipheral: LPC Peripheral Repository mirrored to OPF Git https://git.openpower.foundation/librebmc/lpcperipheral

LPC Peripheral Repository mirrored to OPF Git https://git.openpower.foundation/librebmc/lpcperipheral - OpenPOWERFoundation/lpcperipheral

GitHub
@shenki Thanks; though half of the point of the exercise is for me to learn Amaranth and the other half is that (surprising as it may be) LPC is actually a pretty simple protocol. Especially if you're not trying to ship something production ready.