>
> Hey,
>
> After going from Vendor SPL/OpenSBI/U-Boot to OpenSBI v1.4++ plus
> v2024.07-rc4 SPL/U-Boot I ran into a boot loop problem relating to
> PCI:
> U-Boot 2024.07-rc4 (Jun 13 2024 - 15:09:34 +0100)
>
> CPU: sifive,u74-mc
> Model: StarFive VisionFive 2 v1.2A
> DRAM: 4 GiB
> Core: 136 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
> OK
> StarFive EEPROM format v2
>
> --------EEPROM INFO--------
> Vendor : StarFive Technology Co., Ltd.
> Product full SN: VF7110A1-2249-D004E000-00000540
> data version: 0x2
> PCB revision: 0xa1
> BOM revision: A
> Ethernet MAC0 address: 6c:cf:39:00:17:95
> Ethernet MAC1 address: 6c:cf:39:00:17:96
> --------EEPROM INFO--------
>
> starfive_7110_pcie pcie@2b000000: Starfive PCIe bus probed.
> starfive_7110_pcie pcie@2c000000: 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...
> U-Boot SPL 2024.07-rc4 (Jun 13 2024 - 15:09:34 +0100)
> DDR version: dc2e84f0.
> Trying to boot from SPI
>
> This only appeared after I refreshed the environment by running.
> `env default -a -f; env save`. Before that things worked "fine", I suppose
> because
> nothing actually touched PCI. I've just disabled PCI for now and things are
> working once more. I've not attempted to bisect/debug this, cos that's not the
> fastest process while running U-Boot out of flash.
>
> In case it is relevant, the board I have is one of the "super early bird"
> ones.
>
> Cheers,
> Conor.
CC Hal
