From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrice Kadionik Date: Tue, 18 Nov 2003 10:17:34 +0100 Subject: [U-Boot-Users] u-boot and NIOS dk 1s10 board In-Reply-To: <03111809274404.23084@pcj86> References: <1B1B671D73FED2119B1000A0C9B8A9600108ED01@ORBNET> <03111809274404.23084@pcj86> Message-ID: <3FB9E3AE.9020109@enseirb.fr> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Stephan and Scott; I agree with you: with NIOS all hardware and software are configurable... u-boot should at least support the stander32 design. in fact this design is complete because it uses all the hardware ressource of the altera's board...I think u-boot must be based on this design. But we should make easily configurable the base address of all peripherals according to a specific user design. I think it's the main reason that there's no uClinux port for NIOS because hardware is too configurable and to stuck to a particular configration... Cheers and merci. Pat. Stephan Linz wrote: >Hi Patric and Scott, > >Am Montag, 17. November 2003 19:40 schrieb Scott McNutt: > > >>Patrice, >> >> >> >>>It works now...in fact, my reference design for STRATIX >>>configuration was not similar to the IO mapping used by u-boot >>>for NIOS... It works with the Altera's "standard 32" reference >>>design (with the .SREC in the CDKNIOS project and after >>>u-boot recompilation too). >>> >>> >>Great news! >> >> > >Congratulations! > > > >>>My student will work on the u-boot APEX port...just an adaptation >>>I think...I may be a good idea that the stratix 1S10 board appears >>>as its own board and not as a cyclone board in the u-boot distro... >>> >>> >>I enthusiastically agree :-) It is not simply a good idea, but IMHO >>*essential* that each Nios board have it's own u-boot configuration. >>Since *everything* is configurable with Nios, it's very easy to create >>a monster by having multiple board configs masquerading as one. >> >> > >Yes, of course. We have to make different configuration files -- one for each >board. But, do we really need different board directories with almost the >same code in it? > >Ex.: My current Stratix patch is based on the Cyclone board, because both >boards are equal in context of u-boot basics need. Only the second serial i/f >differs (not needed til now). So there will be more identicalness than >differences for both boards. > >But note: this does not apply to the APEX board. The APEX board has different >Flash, less SRAM, only SODIMM SDRAM, no second seriel i/f (in standard32 >case), no CF, less LEDs, and ... to many differences and it's right, for APEX >we should make a new board directory with it code inside. > >What's your opinion? > >FYIO: I plan to make an hardware overview for all known NIOS devkits by >Altera (APEX 20k200, Cyclone 1C20, Stratix 1S20 and 1S40). > > >br, >Stephan > > > >>U-Boot for Nios development kits should always support the >>default "out-of-the-box" Nios configuration (for the altera boards, >>this is typically the "standard 32" config). This is not intended to >>limit creativity, but to avoid confusion and save time. Basically, >>if new users get u-boot running quickly and easily, maintainers >>and contributors will spend less time answering questions. And >>this is a good thing for both the user and contributors :-) >> >>In general, support for custom configurations should be: >> >>1. disabled by default, >>2. enabled IAW README (i.e. CONFIG_xxx CFG_xxx), >>3. supported by an appropriate README file in u-boot/doc. >> >>Congratulations & Best Regards, >>--Scott >>N3ADP >> >> >> >> >>------------------------------------------------------- >>This SF. Net email is sponsored by: GoToMyPC >>GoToMyPC is the fast, easy and secure way to access your computer from >>any Web browser or wireless device. Click here to Try it Free! >>https://www.gotomypc.com/tr/OSDN/AW/Q4_2003/t/g22lp?Target=mm/g22lp.tmpl >>_______________________________________________ >>U-Boot-Users mailing list >>U-Boot-Users at lists.sourceforge.net >>https://lists.sourceforge.net/lists/listinfo/u-boot-users >> >> > > > -- Patrice Kadionik. F6KQH / F4CUQ ----------- +---------------------------------------------------------------------+ +"Tout doit etre aussi simple que possible, pas seulement plus simple"+ +---------------------------------------------------------------------+ + Patrice Kadionik http://www.enseirb.fr/~kadionik + + ENSEIRB fax : +33 5.56.37.20.23 + + PO BOX 99 voice : +33 5.56.84.23.47 + + 33402 TALENCE Cedex http://www.enseirb.fr + + FRANCE mailto:kadionik at enseirb.fr + +---------------------------------------------------------------------+