Hi, On Thu, 22 Nov 2018 at 10:02, Tom Rini <tr...@konsulko.com> wrote: > > On Thu, Nov 22, 2018 at 03:44:28PM +0100, Simon Goldschmidt wrote: > > Am Do., 22. Nov. 2018, 14:44 hat Tom Rini <tr...@konsulko.com> geschrieben: > > > > > On Thu, Nov 22, 2018 at 02:24:49PM +0100, Marek Vasut wrote: > > > > On 11/22/2018 01:52 PM, Tom Rini wrote: > > > > > On Thu, Nov 22, 2018 at 10:25:14AM +0100, Christian Gmeiner wrote: > > > > > > > > > >> Am Mo., 19. Nov. 2018 um 16:56 Uhr schrieb Simon Glass < > > > s...@chromium.org>: > > > > >>> > > > > >>> This board has not been converted to CONFIG_DM_BLK by the deadline. > > > > >>> Remove it. > > > > >>> > > > > >> > > > > >> As the board is still mainted I will NAK it for the moment. Are there > > > > >> any hints want needs to be done > > > > >> to port thie board over to new DM stuff? > > > > > > > > > > Yes, as a start you need to switch over to using CONFIG_OF_CONTROL and > > > > > selecting/providing a dtb file. I see ot1200 is using DWC_AHSATA > > > > > which > > > > > needs more work, but this is the board-level work that needs doing. > > > > > > > > Wasn't there a possibility to use platform data in board file instead of > > > > DT ? Or is DT mandatory now , including the libfdt overhead ? > > > > > > In short, DT for U-Boot and platform data for SPL is what's recommended, > > > yes. > > > > > > > This is a little confusing for me. Socfpga gen5 SPL doesn't do that. And it > > seems a little strange or outdated overall. > > > > Would there be some kind of reference architecture or mach to look at > > what's the suggested/up-to-date way to implement SPL? Also regarding code > > flow? > > So, SPL is where things get, ahem, fuzzy. While I don't want to > encourage boundless growth in U-Boot proper, we aren't exactly size > constrained (but rather, functional/logical constrained). But in SPL, > yes, we have many platforms with 32/64/128 kilobyte hard limits (and > some smaller) and we can't always shove in a "TPL" before SPL either. > So in SPL we do make use of platform data instead. While not the > smallest size constraint, am335x_hs_evm is a reasonable thing to look at > in this case.
Also 'rock' uses CONFIG_OF_PLATDATA which provides a halfway house - still uses DT, but it gets converted into C structs so saves code space. firefly-rk3288 is a pretty good DM/DT example, including SPL. Regards, Simon _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
