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

[Fabio Estevam]

On Wed, Feb 26, 2025 at 7:47 PM Fabio Estevam <festevam at gmail.com> wrote:

> How can we fix this boot regression? This affects imx8mm-evk,
> imx8mn-evk, imx8mp-evk as well.

After adding:

--- a/configs/imx93_11x11_evk_defconfig
+++ b/configs/imx93_11x11_evk_defconfig
@@ -128,3 +128,4 @@ CONFIG_ULP_WATCHDOG=y
 CONFIG_WDT=y
 CONFIG_LZO=y
 CONFIG_BZIP2=y
+CONFIG_CMD_SYSBOOT=y

I got:

U-Boot 2025.04-rc3-00007-g57bbc4de75f6-dirty (Feb 26 2025 - 19:50:19 -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)... *** 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
Scanning for bootflows in all bootdevs
Seq  Method       State   Uclass    Part  Name                      Filename
---  -----------  ------  --------  ----  ------------------------
----------------
Scanning global bootmeth 'efi_mgr':
Cannot persist EFI variables without system partition
  0  efi_mgr      ready   (none)       0  <NULL>
** Booting bootflow '<NULL>' with efi_mgr
Loading Boot0000 'mmc 1' failed
Loading Boot0001 'mmc 0' failed
EFI boot manager: Cannot load any image
Boot failed (err=-14)
Scanning bootdev 'mmc at 42850000.bootdev':
Scanning bootdev 'mmc at 42860000.bootdev':
  1  extlinux     ready   mmc          1  mmc at 42860000.bootdev.part
/boot/extlinux/extlinux.conf
** Booting bootflow 'mmc at 42860000.bootdev.part_1' with extlinux
1: buildroot
missing environment variable: kernel_addr_r
Skipping buildroot for failure retrieving kernel
Boot failed (err=-14)
No more bootdevs

Then I did:

=> setenv kernel_addr_r 0x80400000
=> saveenv

and it finally booted:

U-Boot 2025.04-rc3-00007-g57bbc4de75f6-dirty (Feb 26 2025 - 19:50:19 -0300)

Reset Status: POR

CPU:   NXP i.MX93(52) Rev1.1 A55 at 1700 MHz
CPU:   Industrial temperature grade  (-40C to 105C) at 45C
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
Scanning for bootflows in all bootdevs
Seq  Method       State   Uclass    Part  Name                      Filename
---  -----------  ------  --------  ----  ------------------------
----------------
Scanning global bootmeth 'efi_mgr':
Cannot persist EFI variables without system partition
  0  efi_mgr      ready   (none)       0  <NULL>
** Booting bootflow '<NULL>' with efi_mgr
Loading Boot0000 'mmc 1' failed
Loading Boot0001 'mmc 0' failed
EFI boot manager: Cannot load any image
Boot failed (err=-14)
Scanning bootdev 'mmc at 42850000.bootdev':
Scanning bootdev 'mmc at 42860000.bootdev':
  1  extlinux     ready   mmc          1  mmc at 42860000.bootdev.part
/boot/extlinux/extlinux.conf
** Booting bootflow 'mmc at 42860000.bootdev.part_1' with extlinux
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

Can you please fix this for all the i.MX boards?

Otherwise, we will have boot regressions, and the bootstd series must
be reverted.