In message <20031118071829.43116.qmail at web40301.mail.yahoo.com> you wrote: > > I am running ppc440 with linux kernel version 2.4
Grrrghh... You sent the same message twice to the (dead) PPCBoot-Users list and another time to linuxppc-embedded??? Grrrrghhh!!!! Please fix your posting habits. > >From the i2c bus trace it looks like in this > situation ppc440 keeps issuing the clock pulses > until the data line SDL is released by the slave > but following that the SCL line is held low > by ppc440 and is never released or set to IDLE? > > Is this the expected behaviour if the SDL is held > low when the ppc440 comes up. This is an expected and documented problem. See "doc/I2C_Edge_Conditions" in the U-Boot / PPCBoot sources. > Is there anyway I can fix this in the ppcboot code. Yes. You could back-port the fixes that went into U-Boot. But it probably makes more sense to switch to U-Boot instead. Best regards, Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de A meeting is an event at which the minutes are kept and the hours are lost. ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
