[U-Boot-Users] soft_i2c and ds1307 with tqm823l

Wolfgang Denk wd at denx.de
Mon Jun 30 15:35:25 CEST 2003

In message <3F0037AA.7060205 at peak.uklinux.net> you wrote:
> >This is not correct.  You  compiled  and  installed  PPCBoot  in  our
> >training a year and a couple of days ago :-)
> >  
> >
> That's true. Ok, not for a while though...


> >Please feel free to submit a patch...
> >
> Yes, I'll do that when I'm sure I think there needs to be one and what 
> it should be :)

There shouldbe one. You asked these questions after all - prrof  that
such an explanation is needed.

> Ok, well I've successfully compiled with CONFIG_HARD_I2C and have 
> communicated with my clock, so that is good. Next up is transferring the 
> date in u-boot to linux, but I'm sure that will be documented somewhere.

You don't "transfer" the daye. Linux will pick it  up  itself  (which
requires an RTC driver and eventually some modifications).

> As for CONFIG_SOFT_I2C; Attached (really this time) is a diff between 
> the original u-boot-0.4.0/include/configs/TQM823L.h and the one that I 
> have altered. The compile of soft_i2c.c fails with the following error 
> messages:

That's because you did  not  define  the  required  macros  (see  for
example the configuration in lwmon.h).

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
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