Hi Igor, On 27/12/19 10:23, Igor Opaniuk wrote: > Hi Breno, > > On Mon, Dec 23, 2019 at 7:07 PM Breno Matheus Lima > <[email protected]> wrote: >> >> Hi Igor, >> >> Em qui., 19 de dez. de 2019 às 07:55, Igor Opaniuk >> <[email protected]> escreveu: >>> >>> From: Igor Opaniuk <[email protected]> >>> >>> Currently Colibri iMX7 NAND version doesn't boot at all with >>> HABv4 support enabled. If CSF section is included in the final >>> imx binary, BootROM every time switches to usb recovery mode. >>> However eMMC version of the same SoM works without any issues. >>> >>> Disable HAB and CAAM support for now until the problem is properly >>> investigated and fixed. >>> >> >> This issue is also happening with i.MX6ULL, seems that padding the >> U-Boot binary to the size defined in boot data is addressing this >> issue. >> >> Please follow example below. >> >> 1. Dump boot data: >> >> $ hexdump u-boot-dtb.imx | head >> 0000000 00d1 4020 0000 8780 0000 0000 f42c 877f >> 0000010 f420 877f f400 877f 6000 878d 0000 0000 >> 0000020 f000 877f b000 000d 0000 0000 01d2 40e8 >> 0000030 01cc 04e4 0c02 6840 ffff ffff 0c02 6c40 >> >> IVT self = 0x877ff400 >> Boot data addr = 0x877ff000 >> Boot data size = 0x000db000 >> >> 2. Calculate image size: >> >> Image offset = IVT self(0x877ff400) - Boot data addr(0x877ff000) = 0x400 >> Total image size = Boot data size(0x000db000) - Image offset(0x400) = 0xdac00 >> >> 3. Pad U-Boot image: >> >> $ objcopy -I binary -O binary --pad-to 0xdac00 --gap-fill=0x00 >> u-boot-dtb.imx u-boot-dtb.imx.pad >> >> Could you please try similar in your i.MX7D board? >> >> Thanks, >> Breno Lima > > Finally, it works! > > Thanks a lot for your help! This should be documented (I'll create a > patch for this) > or padding should implicitly be done in makefiles when building the > final imx image, > including initial padding for 0x400, like here [1].
I left [1] in my queue and I have always asked myself if we really need it. Frankly speaking, I prefer that the case should be clearly documented instead of adding an initial padding. Padding could forbid (or makes more difficult) to pack u-boot inside another container. Regards, Stefano > > Regards, > Igor > > [1] https://patchwork.ozlabs.org/patch/1136343/ > -- ===================================================================== DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: [email protected] =====================================================================
