Robert, > -----Original Message----- > From: Robert Schwebel [mailto:[EMAIL PROTECTED] > Sent: Wednesday, June 18, 2008 2:12 PM > To: Menon, Nishanth > Cc: Robert Schwebel; Sascha Hauer; Timur Tabi; Laurent Desnogues; Kamat, > Nishant; > [EMAIL PROTECTED]; [email protected] > Subject: Re: [U-Boot-Users] [Patch 0/9] U-boot-V2: Introduce I2C support for > SDP3430 > > I've commented your first patch in the series; in short: > > - It shows nicely that it is easy to copy things over from Linux - > that's a good sign that we didn't do too many things the wrong way. But > note, it is *not* the main intention of u-boot-v2 to be a Linux clone. > It is a bootloader, and it tries to be one with a neat design, > combining the best of POSIX, Linux and U-Boot-v1. Copying *ideas* is > good, but let's do it in a way that it still is u-boot. > > - Please don't bring in things which are not part of the current code > base. If you add code for subsystems, the subsystems must be there > first and *then* their users. Otherwhise we bloat the codebase and we > disable the possibility to add *real* support for PCI, USB and S390 > later :-) Acked. Yep will redo that :).
> Which part of i2c do we actually *need* in the bootloader? What's *your* > use case? I need i2c_transfer -yes - I can customize the changes just for that. I do like i2c_transfers, adapters, clients etc.. my immediate need is rather simple -> i2c_transfers. > > I assume we need i2c host controllers, that's quite clear. We also need > an abstraction for i2c devices. The only devices I have seen which > really needed a bootloader driver are > > a) eeproms > b) RTCs > c) analog/digital in/outputs (i.e. gpio expanders) > > Other use cases? USB Transceivers, power management devices. Do we need SMBUS support? I don't. probably algos would be a good idea for other SOCs. Are we ok with i2ctools movement here? Regards, Nishanth Menon ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ U-Boot-Users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/u-boot-users
