[PATCH 2/2] imx8mm: imx8mm_evk: fix BOOTSTD boot

[Peng Fan]

Hi Fabio,

> Subject: Re: [PATCH 2/2] imx8mm: imx8mm_evk: fix BOOTSTD boot
> 
> Hi Peng,
> 
> On Sat, Feb 22, 2025 at 8:10 AM Peng Fan (OSS)
> <peng.fan at oss.nxp.com> wrote:
> >
> > From: Peng Fan <peng.fan at nxp.com>
> >
> > Select BOOTSTD_FULL and BOOTSTD_BOOTCOMMAND Correct
> DEFAULT_FDT_FILE
> > Correct env file for imx8mm_evk_fspi_defconfig
> >
> > Fixes: 364ba68ed1a ("imx: imx8mm_evk: Switch to BOOTSTD")
> > Reported-by: Ludwig Nussel <ludwig.nussel at siemens.com>
> > Signed-off-by: Peng Fan <peng.fan at nxp.com>
> 
> I have a problem with the bootstd conversion series.
> 
> I have a Buildroot image that boots U-Boot 2025.01 on imx93-evk:

I tested with NXP yocto image, it boots well. It should be my setup
not have extconf. I will use buildroot to setup a build and try it.

Thanks,
Peng

> 
> U-Boot 2025.01 (Feb 26 2025 - 16:22:03 -0300)
> 
> Reset Status: POR
> 
> CPU:   NXP i.MX93(52) Rev1.1 A55 at 1700 MHz
> CPU:   Industrial temperature grade  (-40C to 105C) at 37C
> Model: NXP i.MX93 11X11 EVK board
> DRAM:  2 GiB
> Core:  199 devices, 24 uclasses, devicetree: separate
> WDT:   Started watchdog at 42490000 with servicing every 1000ms
> (40s timeout)
> MMC:   FSL_SDHC: 0, FSL_SDHC: 1
> Loading Environment from MMC... Reading from MMC(1)... ***
> Warning - bad CRC, using default environment
> 
> In:    serial at 44380000
> Out:   serial at 44380000
> Err:   serial at 44380000
> switch to partitions #0, OK
> mmc1 is current device
> Net:   eth0: ethernet at 42890000 [PRIME], eth1: ethernet at 428a0000
> Hit any key to stop autoboot:  0
> switch to partitions #0, OK
> mmc0(part 0) is current device
> Scanning mmc 0:1...
> 65166 bytes read in 15 ms (4.1 MiB/s)
> Cannot persist EFI variables without system partition Loading
> Boot0000 'mmc 1' failed Loading Boot0001 'mmc 0' failed EFI boot
> manager: Cannot load any image switch to partitions #0, OK
> mmc1 is current device
> Scanning mmc 1:1...
> Found /boot/extlinux/extlinux.conf
> Retrieving file: /boot/extlinux/extlinux.conf
> 1: buildroot
> Retrieving file: /boot/Image
> append: root=PARTUUID=6d55b936-eeb3-49c5-9b61-b69a1207b761
> rootwait rw Retrieving file: /boot/freescale/imx93-11x11-evk.dtb
> ## Flattened Device Tree blob at 83000000
>    Booting using the fdt blob at 0x83000000 Working FDT set to
> 83000000
>    Loading Device Tree to 000000008fff3000, end 000000008ffff442 ...
> OK Working FDT set to 8fff3000
> 
> Starting kernel ...
> 
> [    0.000000] Booting Linux on physical CPU 0x0000000000
> [0x412fd050]
> [    0.000000] Linux version 6.12.16 (fabio at fabio-Precision-3551)
> (aarch64-buildroot-linux-gnu-gcc.br_real (Buildroot
> 2024.11-1133-g5a1515b5976a-dirty) 13.3.0, GNU ld (GNU Binutils)
> 2.43.1) #1 SMP PREEMPT Wed Feb 26 16:51:31 -03 2025 ....
> 
> If I flash U-Boot top-of-tree into the SD card, the boot fails:
> 
> U-Boot 2025.04-rc3-00007-g57bbc4de75f6 (Feb 26 2025 - 19:35:55 -
> 0300)
> 
> Reset Status: POR
> 
> CPU:   NXP i.MX93(52) Rev1.1 A55 at 1700 MHz
> CPU:   Industrial temperature grade  (-40C to 105C) at 36C
> Model: NXP i.MX93 11X11 EVK board
> DRAM:  2 GiB
> Core:  214 devices, 24 uclasses, devicetree: separate
> WDT:   Started watchdog at 42490000 with servicing every 1000ms
> (40s timeout)
> MMC:   FSL_SDHC: 0, FSL_SDHC: 1
> Loading Environment from MMC... Reading from MMC(1)... OK
> In:    serial at 44380000
> Out:   serial at 44380000
> Err:   serial at 44380000
> switch to partitions #0, OK
> mmc1 is current device
> Net:   eth0: ethernet at 42890000 [PRIME], eth1: ethernet at 428a0000
> Hit any key to stop autoboot:  0
> switch to partitions #0, OK
> mmc0(part 0) is current device
> Scanning mmc 0:1...
> 65166 bytes read in 14 ms (4.4 MiB/s)
> Cannot persist EFI variables without system partition Loading
> Boot0000 'mmc 1' failed Loading Boot0001 'mmc 0' failed EFI boot
> manager: Cannot load any image switch to partitions #0, OK
> mmc1 is current device
> Scanning mmc 1:1...
> Found /boot/extlinux/extlinux.conf
> Unknown command 'sysboot' - try 'help'
> EXTLINUX FAILED: continuing...
> Loading Boot0000 'mmc 1' failed
> Loading Boot0001 'mmc 0' failed
> EFI boot manager: Cannot load any image
> u-boot=>
> 
> Even though /boot/extlinux/extlinux.conf was found, it did not succeed
> in booting it.
> 
> If you want to test the same environment I am using, build a Buildroot
> image using mainline Buildroot:
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2F
> github.com%2Fbuildroot%2Fbuildroot%2Fcommit%2F27b3e6774fe44
> 7dc5eb12cc7f498ec8868eb65c9&data=05%7C02%7Cpeng.fan%40nxp.
> com%7C397a6ea98dbb4b89694a08dd56b784e8%7C686ea1d3bc2b4c
> 6fa92cd99c5c301635%7C0%7C0%7C638762068420104752%7CUnkn
> own%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMD
> AwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7
> C%7C%7C&sdata=0zBb1eyVKU7V6H17i%2FKLLdnJmwsKi0%2Br%2F6Q
> YCCAZauE%3D&reserved=0
> 
> How can we fix this boot regression? This affects imx8mm-evk,
> imx8mn-evk, imx8mp-evk as well.