Re: FIT Image not working in U-Boot

17 Aug 2023

      (please keep the list copied)
+Ilias Apalodimas
  (perhaps) for OP-TEE instructions
+Peter Robinson
+Matthias Brugger as Pi maintainers
On Thu, 17 Aug 2023 at 06:44, Freddie fpidev23@gmail.com wrote:
...
Hi Simon,
Thank you for such a swift reply. I believe I do have that enabled in line 15 of my DEFCONFIG file, is this the right syntax?:
CONFIG_FIT=y
Is there any other way I can test my FIT file, as I am still unsure what is causing this problem. I have tried both the .itb and .fit format, neither of which work.
You can use dump_image -l to list it.
...
Also, in terms of configuration files, I have noticed some overlap between the DEFCONFIG file and the rpi.h file. Which one of these files has priority when deciding the configuration if there are two conflicting changes.
All that really matters in the end in your '.config' file in the build
directory. You could send that through, perhaps? You are using an old
U-Boot, so you could try moving to the latest version, but it won't
help this problem.
...
The only change I have made to rpi.h is adding the line:
#define CONFIG_SYS_BOOTM_LEN (16 << 20)
Is this correct, or should I be adding more/less to this file?
It should be fine. But the real question is why it dies at point, if
you have FIT enabled as you say. I suggest adding 'printf()'
statements to the code in boot_get_kernel() if you are sure everything
else is right.
Regards,
Simon
...
Many thanks,
Freddie
On Wed, Aug 16, 2023 at 4:13 PM Simon Glass sjg@google.com wrote:
...
Hi Freddie,
On Wed, 16 Aug 2023 at 08:25, Freddie fpidev23@gmail.com wrote:
...
Hi,
I am trying to attempt to build a verified boot solution using Flattened
Image Trees on a Raspberry Pi 3B +
I have looked at a couple of guides online about how to do this, however
they seem quite out of date and it hasn't worked.
The two main guides I have looked at:
#3066 https://github.com/OP-TEE/optee_os/issues/3066
https://github.com/NVISOsecurity/VerifiedBootRPi3/blob/master/instructions.m...
I initially tried building a standard system following the instructions on
the official OP-TEE documentation, which worked. However I have not been
able to boot from a FIT file.
I have very closely followed the instructions from the first link above,
but no matter what I have changed so far, I get the error:
Wrong Image Format for bootm command
ERROR: can't get kernel image!
This error occurs both when trying to autoboot and when trying to manually
boot (using fatload and bootm in the command line).
I have tried for around 2-3 weeks to attempt to solve this error, so I
would really appreciate any advice or suggestions.
I have tried both signed and unsigned FIT images and neither of them have
worked.
I have included the contents of my image.its, uboot.env.txt,
rpi_3_defconfig and rpi.h files below as well as the logs from when I try
and boot my system, please let me know if there is any other information
that could help with solving this.
/fit/image.its:
/ {
        description = "RPi FIT Image";
        #address-cells = <1>;
        images {
                kernel-1 {
                        description = "default kernel";
                        data = /incbin/("kernel8.img");
                        type = "kernel";
                        arch = "arm64";
                        os = "linux";
                        compression = "none";
                        load =  <0x12000000>;
                        entry = <0x12000000>;
                        hash-1 {
                                algo = "sha1";
                        };
                };
                tee-1 {
                        description = "atf";
                        data = /incbin/("armstub8.bin");
                        type = "standalone";
                        arch = "arm64";
                        compression = "none";
                        load =  <0x08400000>;
                        entry = <0x08400000>;
                        hash-1 {
                                algo = "sha1";
                        };
                };
                fdt-1 {
                        description = "device tree";
                        data = /incbin/("bcm2710-rpi-3-b-plus.dtb");
                        type = "flat_dt";
                        arch = "arm64";
                        compression = "none";
                        load = <0x01000000>;
                        entry = <0x01000000>;
                        hash-1 {
                                algo = "sha1";
                        };
                };
        };
        configurations {
                default = "config-1";
                config-1 {
                        description = "default configuration";
                        kernel = "kernel-1";
                        loadables = "tee-1";
                        fdt = "fdt-1";
                        signature-1 {
                                algo = "sha1,rsa2048";
                                key-name-hint = "dev";
                                sign-images = "fdt", "kernel", "loadables";
                        };
                };
        };
};
/optee/u-boot/configs/RPI_3_DEFCONFIG:
CONFIG_ARM=y
CONFIG_ARCH_CPU_INIT=y
CONFIG_ARCH_BCM283X=y
CONFIG_SYS_TEXT_BASE=0x00080000
CONFIG_TARGET_RPI_3=y
CONFIG_SYS_MALLOC_F_LEN=0x2000
CONFIG_NR_DRAM_BANKS=1
CONFIG_ENV_SIZE=0x4000
CONFIG_DISTRO_DEFAULTS=y
CONFIG_OF_BOARD_SETUP=y
CONFIG_USE_PREBOOT=y
# CONFIG_DISPLAY_CPUINFO is not set
CONFIG_DEFAULT_DEVICE_TREE="bcm2837-rpi-3-b-plus"
CONFIG_OF_CONTROL=y
CONFIG_FIT=y
CONFIG_FIT_SIGNATURE=y
CONFIG_RSA=y
CONFIG_FIT_VERBOSE=y
CONFIG_OF_LIBFDT=y
# CONFIG_DISPLAY_BOARDINFO is not set
CONFIG_MISC_INIT_R=y
CONFIG_SYS_PROMPT="U-Boot> "
CONFIG_CMD_GPIO=y
CONFIG_CMD_MMC=y
CONFIG_CMD_USB=y
CONFIG_CMD_FS_UUID=y
CONFIG_OF_EMBED=y
CONFIG_ENV_FAT_DEVICE_AND_PART="0:1"
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
CONFIG_TFTP_TSIZE=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_BCM2835=y
CONFIG_PHYLIB=yONFIG_ARM=y
CONFIG_ARCH_CPU_INIT=y
CONFIG_ARCH_BCM283X=y
CONFIG_SYS_TEXT_BASE=0x00080000
CONFIG_TARGET_RPI_3=y
CONFIG_SYS_MALLOC_F_LEN=0x2000
CONFIG_NR_DRAM_BANKS=1
CONFIG_ENV_SIZE=0x4000
CONFIG_DISTRO_DEFAULTS=y
CONFIG_OF_BOARD_SETUP=y
CONFIG_USE_PREBOOT=y`
CONFIG_DM_ETH=y
CONFIG_PINCTRL=y
# CONFIG_PINCTRL_GENERIC is not set
# CONFIG_REQUIRE_SERIAL_CONSOLE is not set
CONFIG_SYSINFO=y
CONFIG_SYSINFO_SMBIOS=y
CONFIG_USB=y
CONFIG_USB_DWC2=y
CONFIG_USB_KEYBOARD=y
CONFIG_USB_HOST_ETHER=y
CONFIG_USB_ETHER_LAN78XX=y
CONFIG_USB_ETHER_SMSC95XX=y
CONFIG_DM_VIDEO=y
# CONFIG_VIDEO_BPP8 is not set
# CONFIG_VIDEO_BPP16 is not set
CONFIG_SYS_WHITE_ON_BLACK=y
CONFIG_CONSOLE_SCROLL_LINES=10
CONFIG_PHYS_TO_BUS=y
CONFIG_OF_LIBFDT_OVERLAY=y
/optee/build/rpi3/firmware/uboot.env.txt:
# generic params
bootdelay=3
stderr=serial,lcd
stdin=serial,usbkbd
stdout=serial,lcd
# CPU config
cpu=armv8
smp=on
# Console config
baudrate=115200
sttyconsole=ttyS0
ttyconsole=tty0
# Kernel/dtb filenames & load addresses
boot_fit=bootm ${fit_addr}
fdt_addr_r=0x01000000
fit_addr=0x02000000
fdtfile=bcm2710-rpi-3-b-plus.dtb
load_fit=fatload mmc 0:1 ${fit_addr} image.itb
mmcboot=run load_fit; run set_bootargs_tty set_bootargs_mmc
set_common_args; run boot_fit
# NFS/TFTP boot configuraton
gatewayip=192.168.1.1
netmask=255.255.255.0
nfsserverip=192.168.1.100
nfspath=/srv/nfs/rpi
# bootcmd & bootargs configuration
preboot=usb start
bootcmd=run mmcboot
nfsboot=run load_kernel; run set_bootargs_tty set_bootargs_nfs
set_common_args; run boot_it
set_bootargs_tty=setenv bootargs console=${ttyconsole}
console=${sttyconsole},${baudrate}
set_bootargs_nfs=setenv bootargs ${bootargs} root=/dev/nfs rw
rootfstype=nfs nfsroot=${nfsserverip}:${nfspath},udp,vers=3 ip=dhcp
set_bootargs_mmc=setenv bootargs ${bootargs} root=/dev/mmcblk0p2 rw rootfs=ext4
set_common_args=setenv bootargs ${bootargs}
smsc95xx.macaddr=${ethaddr} 'ignore_loglevel dma.dmachans=0x7f35
rootwait 8250.nr_uarts=1 elevator=deadline fsck.repair=yes
bcm2708_fb.fbwidth=1920 bcm2708_fb.fbheight=1080
vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000
dwc_otg.fiq_enable=0 dwc_otg.fiq_fsm_enable=0 dwc_otg.nak_holdoff=0'
/optee/u-boot/include/configs/rpi.h:
/* SPDX-License-Identifier: GPL-2.0 */
/*

(C) Copyright 2012-2016 Stephen Warren

*/
#ifndef __CONFIG_H
#define __CONFIG_H
#include <linux/sizes.h>
#include <asm/arch/timer.h>
#ifndef __ASSEMBLY__
#include <asm/arch/base.h>
#endif
#if defined(CONFIG_TARGET_RPI_2) || defined(CONFIG_TARGET_RPI_3_32B)
#define CONFIG_SKIP_LOWLEVEL_INIT
#endif
/* Architecture, CPU, etc.*/
/* Use SoC timer for AArch32, but architected timer for AArch64 */
#ifndef CONFIG_ARM64
#define CONFIG_SYS_TIMER_RATE           1000000
#define CONFIG_SYS_TIMER_COUNTER        \
        (&((struct bcm2835_timer_regs *)BCM2835_TIMER_PHYSADDR)->clo)
#endif
/*

2835 is a SKU in a series for which the 27```08 is the first or primary SoC,
so 2708 has historically been used rather than a dedicated 2835 ID.

We don't define a machine type for bcm2709/bcm2836 since the RPi Foundation
chose to use someone else's previously registered machine ID (3139, MX51_GGC)
rather than obtaining a valid ID:-/

For the bcm2837, hopefully a machine type is not needed, since everything
is DT.

*/
#ifdef CONFIG_BCM2835
#define CONFIG_MACH_TYPE                MACH_TYPE_BCM2708
#endif
/* Memory layout */
#define CONFIG_SYS_SDRAM_BASE           0x00000000
#define CONFIG_SYS_UBOOT_BASE           CONFIG_SYS_TEXT_BASE
/*

The board really has 256M. However, the VC (VideoCore co-processor) shares
the RAM, and uses a configurable portion at the top. We tell U-Boot that a
smaller amount of RAM is present in order to avoid stomping on the area
the VC uses.

*/
#define CONFIG_SYS_SDRAM_SIZE           SZ_128M
#define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_SDRAM_BASE + \
                                         CONFIG_SYS_SDRAM_SIZE - \
                                         GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_MALLOC_LEN           SZ_4M
#define CONFIG_LOADADDR                 0x00200000
#ifdef CONFIG_ARM64
#endif
/* Devices */
/* GPIO */
#define CONFIG_BCM2835_GPIO
/* LCD */
#define CONFIG_LCD_DT_SIMPLEFB
#define CONFIG_VIDEO_BCM2835
/* DFU over USB/UDC */
#ifdef CONFIG_CMD_DFU
#ifdef CONFIG_ARM64
#define KERNEL_FILENAME         "Image"
#else
#define KERNEL_FILENAME         "zImage"
#endif
#define ENV_DFU_SETTINGS \
        "dfu_alt_info=u-boot.bin fat 0 1;uboot.env fat 0 1;" \
                      "config.txt fat 0 1;" \
                      KERNEL_FILENAME " fat 0 1\0"
#else
#define ENV_DFU_SETTINGS ""
#endif
/* Console configuration */
#define CONFIG_SYS_CBSIZE               1024
/* Environment */
#define CONFIG_SYS_LOAD_ADDR            0x1000000
/* Shell */
/* ATAGs support for bootm/bootz */
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_CMDLINE_TAG
#define CONFIG_INITRD_TAG
#define CONFIG_SYS_BOOTM_LEN (16 << 20)
/* Environment */
#define ENV_DEVICE_SETTINGS \
        "stdin=serial,usbkbd\0" \
        "stdout=serial,vidconsole\0" \
        "stderr=serial,vidconsole\0"
#ifdef CONFIG_ARM64
#define FDT_HIGH "ffffffffffffffff"
#define INITRD_HIGH "ffffffffffffffff"
#else
#define FDT_HIGH "ffffffff"
#define INITRD_HIGH "ffffffff"
#endif
/*

Memory layout for where various images get loaded by boot scripts:

I suspect address 0 is used as the SMP pen on the RPi2, so avoid this.

Older versions of the boot firmware place the firmware-loaded DTB at 0x100,
newer versions place it in high memory. So prevent U-Boot from doing its own
DTB + initrd relocation so that we won't accidentally relocate the initrd
over the firmware-loaded DTB and generally try to lay out things starting
from the bottom of RAM.

kernel_addr_r has different constraints on ARM and Aarch64.  For 32-bit ARM,
it must be within the first 128M of RAM in order for the kernel's
CONFIG_AUTO_ZRELADDR option to work. The kernel itself will be decompressed
to 0x8000 but the decompressor clobbers 0x4000-0x8000 as well. The
decompressor also likes to relocate itself to right past the end of the
decompressed kernel, so in total the sum of the compressed and and
decompressed kernel needs to be reserved.

For Aarch64, the kernel image is uncompressed and must be loaded at
text_offset bytes (specified in the header of the Image) into a 2MB
boundary. The 'booti' command relocates the image if necessary. Linux uses
a default text_offset of 0x80000.  In summary, loading at 0x80000
satisfies all these constraints and reserving memory up to 0x02400000
permits fairly large (roughly 36M) kernels.

scriptaddr and pxefile_addr_r can be pretty much anywhere that doesn't
conflict with something else. Reserving 1M for each of them at
0x02400000-0x02500000 and 0x02500000-0x02600000 should be plenty.

On ARM, both the DTB and any possible initrd must be loaded such that they
fit inside the lowmem mapping in Linux. In practice, this usually means not
more than ~700M away from the start of the kernel image but this number can
be larger OR smaller depending on e.g. the 'vmalloc=xxxM' command line
parameter given to the kernel. So reserving memory from low to high
satisfies this constraint again. Reserving 1M at 0x02600000-0x02700000 for
the DTB leaves rest of the free RAM to the initrd starting at 0x02700000.
Even with the smallest possible CPU-GPU memory split of the CPU getting
only 64M, the remaining 25M starting at 0x02700000 should allow quite
large initrds before they start colliding with U-Boot.

*/
#define ENV_MEM_LAYOUT_SETTINGS \
        "fdt_high=" FDT_HIGH "\0" \
        "initrd_high=" INITRD_HIGH "\0" \
        "kernel_addr_r=0x00080000\0" \
        "scriptaddr=0x02400000\0" \
        "pxefile_addr_r=0x02500000\0" \
        "fdt_addr_r=0x02600000\0" \
        "ramdisk_addr_r=0x02700000\0"
#if CONFIG_IS_ENABLED(CMD_MMC)
        #define BOOT_TARGET_MMC(func) \
                func(MMC, mmc, 0) \
                func(MMC, mmc, 1)
#else
        #define BOOT_TARGET_MMC(func)
#endif
#if CONFIG_IS_ENABLED(CMD_USB)
        #define BOOT_TARGET_USB(func) func(USB, usb, 0)
#else
        #define BOOT_TARGET_USB(func)
#endif
#if CONFIG_IS_ENABLED(CMD_PXE)
        #define BOOT_TARGET_PXE(func) func(PXE, pxe, na)
#else
        #define BOOT_TARGET_PXE(func)
#endif
#if CONFIG_IS_ENABLED(CMD_DHCP)
        #define BOOT_TARGET_DHCP(func) func(DHCP, dhcp, na)
#else
        #define BOOT_TARGET_DHCP(func)
#endif
#define BOOT_TARGET_DEVICES(func) \
        BOOT_TARGET_MMC(func) \
        BOOT_TARGET_USB(func) \
        BOOT_TARGET_PXE(func) \
        BOOT_TARGET_DHCP(func)
#include <config_distro_bootcmd.h>
#define CONFIG_EXTRA_ENV_SETTINGS \
        "dhcpuboot=usb start; dhcp u-boot.uimg; bootm\0" \
        ENV_DEVICE_SETTINGS \
        ENV_DFU_SETTINGS \
        ENV_MEM_LAYOUT_SETTINGS \
        BOOTENV
#endif

Boot Logs:*

NOTICE:  Booting Trusted Firmware
NOTICE:  BL1: v2.6(debug):v2.6
NOTICE:  BL1: Built : 13:06:25, Aug  3 2023
INFO:    BL1: RAM 0x100ee000 - 0x100f7000
INFO:    BL1: cortex_a53: CPU workaround for 843419 was applied
INFO:    BL1: cortex_a53: CPU workaround for 855873 was applied
WARNING: BL1: cortex_a53: CPU workaround for 1530924 was missing!
NOTICE:  rpi3: Detected: Raspberry Pi 3 Model B+ (1GB, Sony, UK) [0x00a020d3]
INFO:    BL1: Loading BL2
INFO:    Loading image id=1 at address 0x100b4000
INFO:    Image id=1 loaded: 0x100b4000 - 0x100bc419
NOTICE:  BL1: Booting BL2
INFO:    Entry point address = 0x100b4000
INFO:    SPSR = 0x3c5
NOTICE:  BL2: v2.6(debug):v2.6
NOTICE:  BL2: Built : 13:06:25, Aug  3 2023
INFO:    BL2: Doing platform setup
INFO:    BL2: Loading image id 3
INFO:    Loading image id=3 at address 0x100e0000
INFO:    Image id=3 loaded: 0x100e0000 - 0x100ea073
INFO:    BL2: Loading image id 4
INFO:    Loading image id=4 at address 0x10100000
INFO:    Image id=4 loaded: 0x10100000 - 0x1010001c
INFO:    OPTEE ep=0x10100000
INFO:    OPTEE header info:
INFO:          magic=0x4554504f
INFO:          version=0x2
INFO:          arch=0x1
INFO:          flags=0x0
INFO:          nb_images=0x1
INFO:    BL2: Loading image id 21
INFO:    Loading image id=21 at address 0x10100000
INFO:    Image id=21 loaded: 0x10100000 - 0x1017be98
INFO:    BL2: Skip loading image id 22
INFO:    BL2: Loading image id 5
INFO:    Loading image id=5 at address 0x11000000
INFO:    Image id=5 loaded: 0x11000000 - 0x11084b90
NOTICE:  BL1: Booting BL31
INFO:    Entry point address = 0x100e0000
INFO:    SPSR = 0x3cd
NOTICE:  BL31: v2.6(debug):v2.6
NOTICE:  BL31: Built : 13:06:26, Aug  3 2023
INFO:    rpi3: Checking DTB...
INFO:    BL31: Initializing runtime services
INFO:    BL31: cortex_a53: CPU workaround for 843419 was applied
INFO:    BL31: cortex_a53: CPU workaround for 855873 was applied
WARNING: BL31: cortex_a53: CPU workaround for 1530924 was missing!
INFO:    BL31: Initializing BL32
D/TC:0   plat_get_aslr_seed:118 Warning: no ASLR seed
D/TC:0   add_phys_mem:665 VCORE_UNPG_RX_PA type TEE_RAM_RX 0x10100000
size 0x00078000
D/TC:0   add_phys_mem:665 VCORE_UNPG_RW_PA type TEE_RAM_RW 0x10178000
size 0x00688000
D/TC:0   add_phys_mem:665 ta_base type TA_RAM 0x10800000 size 0x00800000
D/TC:0   add_phys_mem:665 CONSOLE_UART_BASE type IO_NSEC 0x3f200000
size 0x00200000
D/TC:0   add_phys_mem:665 TEE_SHMEM_START type NSEC_SHM 0x08000000
size 0x00400000
D/TC:0   add_va_space:705 type RES_VASPACE size 0x00a00000
D/TC:0   add_va_space:705 type SHM_VASPACE size 0x02000000
D/TC:0   dump_mmap_table:831 type TEE_RAM_RX   va
0x10100000..0x10177fff pa 0x10100000..0x10177fff size 0x00078000
(smallpg)
D/TC:0   dump_mmap_table:831 type TEE_RAM_RW   va
0x10178000..0x107fffff pa 0x10178000..0x107fffff size 0x00688000
(smallpg)
D/TC:0   dump_mmap_table:831 type RES_VASPACE  va
0x10800000..0x111fffff pa 0x00000000..0x009fffff size 0x00a00000
(pgdir)
D/TC:0   dump_mmap_table:831 type SHM_VASPACE  va
0x11200000..0x131fffff pa 0x00000000..0x01ffffff size 0x02000000
(pgdir)
D/TC:0   dump_mmap_table:831 type NSEC_SHM     va
0x13200000..0x135fffff pa 0x08000000..0x083fffff size 0x00400000
(pgdir)
D/TC:0   dump_mmap_table:831 type TA_RAM       va
0x13600000..0x13dfffff pa 0x10800000..0x10ffffff size 0x00800000
(pgdir)
D/TC:0   dump_mmap_table:831 type IO_NSEC      va
0x13e00000..0x13ffffff pa 0x3f200000..0x3f3fffff size 0x00200000
(pgdir)
D/TC:0   core_mmu_xlat_table_alloc:526 xlat tables used 1 / 8
D/TC:0   core_mmu_xlat_table_alloc:526 xlat tables used 2 / 8
I/TC:
I/TC: OP-TEE version: 3.22.0 (gcc version 11.3.1 20220712 (Arm GNU
Toolchain 11.3.Rel1)) #1 Thu Aug  3 11:35:50 UTC 2023 aarch64
I/TC: WARNING: This OP-TEE configuration might be insecure!
I/TC: WARNING: Please check
https://optee.readthedocs.io/en/latest/architecture/porting_guidelines.html
I/TC: Primary CPU initializing
D/TC:0 0 boot_init_primary_late:1478 Executing at offset 0 with
virtual load address 0x10100000
D/TC:0 0 call_preinitcalls:21 level 2 mobj_mapped_shm_init()
D/TC:0 0 mobj_mapped_shm_init:470 Shared memory address range:
11200000, 13200000
D/TC:0 0 call_initcalls:40 level 1 register_time_source()
D/TC:0 0 call_initcalls:40 level 1 teecore_init_pub_ram()
D/TC:0 0 call_initcalls:40 level 3 check_ta_store()
D/TC:0 0 check_ta_store:417 TA store: "early TA"
D/TC:0 0 check_ta_store:417 TA store: "Secure Storage TA"
D/TC:0 0 check_ta_store:417 TA store: "REE"
D/TC:0 0 call_initcalls:40 level 3 early_ta_init()
D/TC:0 0 early_ta_init:56 Early TA
f04a0fe7-1f5d-4b9b-abf7-619b85b4ce8c size 47637 (compressed,
uncompressed 109256)
D/TC:0 0 call_initcalls:40 level 3 verify_pseudo_tas_conformance()
D/TC:0 0 call_initcalls:40 level 3 tee_cryp_init()
D/TC:0 0 call_initcalls:40 level 4 tee_fs_init_key_manager()
D/TC:0 0 call_initcalls:40 level 6 mobj_init()
D/TC:0 0 call_initcalls:40 level 6 default_mobj_init()
D/TC:0 0 call_initcalls:40 level 6 ftmn_boot_tests()
D/TC:0 0 ftmn_boot_tests:198 Calling simple_call()
D/TC:0 0 ftmn_boot_tests:198 Return from simple_call()
D/TC:0 0 ftmn_boot_tests:199 Calling two_level_call()
D/TC:0 0 ftmn_boot_tests:199 Return from two_level_call()
D/TC:0 0 ftmn_boot_tests:200 Calling chained_calls()
D/TC:0 0 ftmn_boot_tests:200 Return from chained_calls()
D/TC:0 0 ftmn_boot_tests:202 *************************************************
D/TC:0 0 ftmn_boot_tests:203 **************  Tests complete  *****************
D/TC:0 0 ftmn_boot_tests:204 *************************************************
I/TC: Primary CPU switching to normal world boot
INFO:    BL31: Preparing for EL3 exit to normal world
INFO:    Entry point address = 0x11000000
INFO:    SPSR = 0x3c9
U-Boot 2021.10 (Aug 03 2023 - 13:51:18 +0100)
DRAM:  948 MiB
RPI 3 Model B+ (0xa020d3)
MMC:   mmc@7e202000: 0, sdhci@7e300000: 1
Loading Environment from FAT... OK
In:    serial
Out:   serial
Err:   serial
Net:   No ethernet found.
starting USB...
Bus usb@7e980000: USB DWC2
scanning bus usb@7e980000 for devices...
Error: lan78xx_eth address not set.
3 USB Device(s) found
       scanning usb for storage devices... 0 Storage Device(s) found
Hit any key to stop autoboot:  3 ��� 2 ��� 1 ��� 0
22161708 bytes read in 920 ms (23 MiB/s)
Wrong Image Format for bootm command
ERROR: can't get kernel image!
U-Boot>
I don't think those instructions are right. You need to enabled
CONFIG_FIT in the defconfig
That message is printed by boot_get_kernel() when it doesn't use one
of the enabled formats (Legacy uImage, FIT, Android).
Regards,
Simon

Simon Glass

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