On 5/25/20 5:48 PM, Simon Glass wrote: > Hi Marek, > > On Mon, 25 May 2020 at 09:43, Marek Vasut <[email protected]> wrote: >> >> On 5/25/20 5:36 PM, Simon Glass wrote: >>> Hi, >>> >>> On Mon, 25 May 2020 at 04:35, Marek Vasut <[email protected]> wrote: >>>> >>>> On 5/25/20 10:44 AM, Jagan Teki wrote: >>>>> SPL has a foot-print constraint, so fully switching a particular >>>>> subsystem like SPI or SPI Flash to DM would increase the size of it. >>>>> >>>>> Possible areas to look at are (assume SPL_DM supported) >>>>> 1) platdata >>>>> 2) implement board or platform specific spl device driver which >>>>> bypassed the actual framework ex: spl_spi_sunxi.c >>>>> >>>>> Do we have any other solutions? or any arguments on above step 2? >>>> >>>> SPL does not need to support DM until the size problem is solved. >>> >>> I don't think the problem will ever be 'solved'. It is an ongoing battle. >>> >>> But as it happens I've just sent a proposal for tiny-dm that I think will >>> help. >>> >>> Jagan, which board are you trying to convert? If you are trying to >>> convert SPI flash, I think we need to remove the legacy code first. >> >> If you want a board which boots from SPI NOR and has some 14k or so >> limit on SPL, any of the R-Car Gen2 boards fit the bill. > > Thanks...do you have a link to one?
https://elinux.org/R-Car/Boards/U-Boot-Gen2 > Also was there a 64-bit board that had to run 64-bit SPL? I think I > remember you mentioning it. You can build SPL for R-Car Gen3 boards.
