Follow up question: I notice that u-boot-spl-pad.bin is empty even though CONFIG_SPL_PAD_TO = CONFIG_SPL_MAX_SIZE = 0x18000. Is that why it isn’t find the dtb because it isn’t padded properly?
Dan > On Jan 17, 2019, at 2:09 AM, eugen.hris...@microchip.com wrote: > > > > On 17.01.2019 11:05, Simon Goldschmidt wrote: >> On Thu, Jan 17, 2019 at 10:02 AM <eugen.hris...@microchip.com> wrote: >>> >>> >>> >>> On 16.01.2019 21:05, Daniel Evans wrote: >>>> Hello, >>>> >>>> Yes, I am trying to load the U-boot SPL >>>> >>>> What I posted previously was a custom board. I switched over to the >>>> sama5d3_xplained and all I get with sama5d3_xplained_nandflash_defconfig >>>> is ROMBOOT. >>> >>> This is definitely weird. Are you using vanilla u-boot and no changes on >>> top with the sama5d3_xplained? Looks like not even your console works in >>> spl, or, you have a bad binary . >> >> With debug uart enabled it shows the DTB is missing. So when using the >> mainline defconfig (where debug uart is disabled) it fails to find a console >> as >> the DTB is missing. That's unfortunate, but expected behaviour with >> DM_SERIAL, >> I guess. >> >> I don't know the hardware, but the real problem seems to me that the binary >> being flashed is somehow missing the DTB? > > Yes that can happen, I suggested that some parts of the SPL are missing > - either the binary flashed is smaller than the real size (and the DTB, > being at the end is not copied...), > > or the value inside the 6th vector is wrong, and the first stage > bootloader is not copying enough data from NAND to RAM when executing > the SPL binary. The first stage BL only copies the number of bytes given > by 6th vector value > >> >> Regards, >> Simon >> >>> >>>> >>>> AT91bootstrap works fine. >>>> >>>> I know there was the issue with the nand_header showing up for the SD card >>>> but that shouldn’t effect the nand. Some other patch I am missing to get >>>> a non-modified boot.bin nand working? >>> >>> How are you writing your nandflash ? are you using our sam-ba tool to >>> write it ? do you use writeboot applet ? >>> >>>> >>>> The size of the 6th reset vector looks correct, with the assumption that >>>> it does not include the 208 bytes of nand_header? >>> >>> Yes it should not include it. And if you write using sam-ba the nand >>> header will be written by sam-ba, so your binary should not include it >>> already. >>> >>> I also suggest you open up a support ticket on support.microchip.com as >>> our FAE have a lot of experience to assist with such situations. >>> >>> Hope this helps, >>> Eugen >>> >>>> >>>> Dan >>>> >>>> >>>> >>>>> On Jan 16, 2019, at 6:02 AM, eugen.hris...@microchip.com wrote: >>>>> >>>>> >>>>> >>>>> >>>>> On 16.01.2019 03:13, Daniel Evans wrote: >>>>>> After flashing my boot.bin to nand I get the following output: >>>>>> >>>>>> RomBOOT >>>>>> <debug_uart> Missing DTB >>>>>> ### ERROR ### Please RESET the board ### >>>>>> >>>>>> I found the error message in fdtdec.c, but not sure what I am missing. >>>>>> I have checked that my DTB is included in the boot.bin output. Any >>>>>> insight on what I am missing? >>>>> >>>>> Hello Daniel, >>>>> >>>>> Which defconfig are you using when building u-boot ? >>>>> >>>>> You are trying to load the U-boot SPL right ? >>>>> >>>>> It doesn't look like you even get to the point when you get to load the >>>>> u-boot proper, so maybe there are missing parts from your SPL, or the >>>>> size inside the 6th reset vector is not correctly calculated >>>>> >>>>> Did you try with our at91bootstrap proprietary second level bootloader >>>>> and get the same issue when booting the proper u-boot with it ? >>>>> >>>>> Hope this helps, >>>>> >>>>> Eugen >>>>> >>>>>> >>>>>> Dan >>>>>> _______________________________________________ >>>>>> U-Boot mailing list >>>>>> U-Boot@lists.denx.de >>>>>> https://lists.denx.de/listinfo/u-boot >>>>>> >>>> >>>> >>> _______________________________________________ >>> U-Boot mailing list >>> U-Boot@lists.denx.de >>> https://lists.denx.de/listinfo/u-boot _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
