> > You may also want to add an "I2C reset sequence" in your firmware/kernel > > if your I2C clock gets stuck and don't respond(can happen if reset/power > > down while > > reading the RTC). Look in u-boot for details. > > Yeah. I know. I should put into PPCBoot/U-Boot. > But in the docs it says it's only for SOFT_I2C aka bitbang! > So > a) can I toggle the pins using GPIO and still use HARD_I2C? or > b) can I use SOFT_I2C in PPCBoot and CPM I2C (8xx-algo) under linux?
You can do alt. b(I do, NP). Maybe it's possible to make HW I2C do the same, but I havn't checked. Jocke ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/