Things are becoming more and more interesting...
U-boot 2024.01 with the patch boots the board well.
Switching to u-boot 2025.04 leads to the following boot log:
```
U-Boot SPL 2025.04 (Jan 01 1970 - 01:00:00 +0000)
DDR version: dc2e84f0.
Trying to boot from MMC2
OpenSBI v1.4
____ _____ ____ _____
/ __ \ / ____| _ \_ _|
| | | |_ __ ___ _ __ | (___ | |_) || |
| | | | '_ \ / _ \ '_ \ \___ \| _ < | |
| |__| | |_) | __/ | | |____) | |_) || |_
\____/| .__/ \___|_| |_|_____/|____/_____|
| |
|_|
Platform Name : StarFive VisionFive 2 v1.3B
Platform Features : medeleg
Platform HART Count : 5
Platform IPI Device : aclint-mswi
Platform Timer Device : aclint-mtimer @ 4000000Hz
Platform Console Device : uart8250
Platform HSM Device : ---
Platform PMU Device : ---
Platform Reboot Device : gpio-restart
Platform Shutdown Device : ---
Platform Suspend Device : ---
Platform CPPC Device : ---
Firmware Base : 0x40000000
Firmware Size : 363 KB
Firmware RW Offset : 0x40000
Firmware RW Size : 107 KB
Firmware Heap Offset : 0x50000
Firmware Heap Size : 43 KB (total), 2 KB (reserved), 9 KB
(used), 31 KB (free)
Firmware Scratch Size : 4096 B (total), 328 B (used), 3768 B (free)
Runtime SBI Version : 2.0
Domain0 Name : root
Domain0 Boot HART : 2
Domain0 HARTs : 0*,1*,2*,3*,4*
Domain0 Region00 : 0x0000000010000000-0x0000000010000fff M:
(I,R,W) S/U: (R,W)
Domain0 Region01 : 0x0000000002000000-0x000000000200ffff M:
(I,R,W) S/U: ()
Domain0 Region02 : 0x0000000040040000-0x000000004005ffff M:
(R,W) S/U: ()
Domain0 Region03 : 0x0000000040000000-0x000000004003ffff M:
(R,X) S/U: ()
Domain0 Region04 : 0x000000000c000000-0x000000000fffffff M:
(I,R,W) S/U: (R,W)
Domain0 Region05 : 0x0000000000000000-0xffffffffffffffff M: ()
S/U: (R,W,X)
Domain0 Next Address : 0x0000000040200000
Domain0 Next Arg1 : 0x0000000040400000
Domain0 Next Mode : S-mode
Domain0 SysReset : yes
Domain0 SysSuspend : yes
Boot HART ID : 2
Boot HART Domain : root
Boot HART Priv Version : v1.11
Boot HART Base ISA : rv64imafdcbx
Boot HART ISA Extensions : zihpm
Boot HART PMP Count : 8
Boot HART PMP Granularity : 12 bits
Boot HART PMP Address Bits: 34
Boot HART MHPM Info : 2 (0x00000018)
Boot HART MIDELEG : 0x0000000000000222
Boot HART MEDELEG : 0x000000000000b109
U-Boot 2025.04 (Jan 01 1970 - 01:00:00 +0000)
CPU: sifive,u74-mc
Model: StarFive VisionFive 2 v1.3B
DRAM: 8 GiB
Core: 154 devices, 26 uclasses, devicetree: board
WDT: Not starting watchdog@13070000
MMC: mmc@16010000: 0, mmc@16020000: 1
Loading Environment from SPIFlash... SF: Detected gd25lq128 with page
size 256 Bytes, erase size 4 KiB, total 16 MiB
*** Warning - bad CRC, using default environment
StarFive EEPROM format v2
--------EEPROM INFO--------
Vendor : StarFive Technology Co., Ltd.
Product full SN: VF7110B1-2253-D008E000-00002012
data version: 0x2
PCB revision: 0xb2
BOM revision: A
Ethernet MAC0 address: 6c:cf:39:00:31:81
Ethernet MAC1 address: 6c:cf:39:00:31:82
--------EEPROM INFO--------
starfive_7110_pcie pcie@940000000: Starfive PCIe bus probed.
starfive_7110_pcie pcie@9c0000000: Starfive PCIe bus probed.
In: serial@10000000
Out: serial@10000000
Err: serial@10000000
Net: eth0: ethernet@16030000, eth1: ethernet@16040000
starting USB...
Bus xhci_pci: Register 5000420 NbrPorts 5
Starting the controller
USB XHCI 1.00
scanning bus xhci_pci for devices... 2 USB Device(s) found
scanning usb for storage devices... 0 Storage Device(s) found
Working FDT set to ff720a20
Hit any key to stop autoboot: 0
Card did not respond to voltage select! : -110
** Booting bootflow '<NULL>' with efi_mgr
Booting: mmc 1
EFI stub: Booting Linux Kernel...
EFI stub: Loaded initrd from LINUX_EFI_INITRD_MEDIA_GUID device path
EFI stub: Using DTB from configuration table
EFI stub: Exiting boot services...
Unhandled exception: Store/AMO access fault
EPC: 00000000fff5ddd6 RA: 00000000fff6ccf2 TVAL: 0000000000000000
EPC: 000000004021fdd6 RA: 000000004022ecf2 reloc adjusted
SP: 00000000ff71f350 GP: 00000000ff72de40 TP: 0000000000000002
T0: 00000000ff71f240 T1: 00000000ff787750 T2: 00000000019d8000
S0: 00000000ff731860 S1: 0000000000004600 A0: 00000000ff731988
A1: 0000000000000000 A2: 0000000000004600 A3: 0000000000004000
A4: 0000000000000000 A5: 0000000000000000 A6: 0000000000000001
A7: 0000000000000000 S2: 00000000ff71f468 S3: 00000000fffddd60
S4: 0000000000004600 S5: fffffffffffffdfb S6: ffffffffffffff7f
S7: ffffffffffffffff S8: 00000000fb71a390 S9: 00000000fe6ca030
S10: 0000000000000ac0 S11: 00000000fe6ca008 T3: 00000000fe714fff
T4: 000000000000000a T5: 0000000000cd1000 T6: 00000000ff7877e0
Code: 7402 64e2 6942 69a2 6145 8082 7d1c 6138 (e31c)
UEFI image [0x00000000fe6b2000:0x00000000fe6ce07b]
'/\EFI\BOOT\BOOTRISCV64.EFI'
UEFI image [0x00000000fa8fc000:0x00000000fc2d1fff] '/\vmlinux-6.6.20-
isar'
resetting ...
```
This needs additional time to debug and fix. So, for now we tend to
stay working version now + the patch.
--
Best regards,
Uladzimir.