Hi Stefan, On Sat, 2020-08-01 at 14:25 +0200, Stefan Agner wrote: > Hi Nicolas, > > I do have USB MSD boot working with at least two USB flash drives > successfully. > > I now tried using a USB NVMe enclosure (ICY BOX with a JMicron chip in > it). It seems that U-Boot has troubles enumerating the device at first, > but "usb reset" helps: > > U-Boo 2020.07 (Jul 25 2020 - 06:55:15 +0000) > > DRAM: 1.9 GiB > RPI 4 Model B (0xb03112) > MMC: mmcnr@7e300000: 1, emmc2@7e340000: 0 > In: serial > Out: serial > Err: serial > Net: eth0: genet@7d580000 > PCIe BRCM: link up, 5.0 Gbps x1 (SSC) > startig USB... > Bus xhci_pci: Register 5000420 NbrPorts 5 > Starting the controller > USB XHCI 1.00 > scanning bus xhci_pci for devces... Device NOT ready > Request Sense returned 02 04 01 > 4 USB Device(s) found > scanning usb for storage devices... 0 Sorage Device(s) found > Card did not respond to voltage select! > Card did not respond to voltage select! > > genet@7d580000 Waiting for PHY auto negotiation to complete... done > BOOTP broadcast 1 > DHCP client bound to address 192.168.80.226 (3 ms > ====> Ctrl+C > HassOS> <INTERRUPT> > HassOS> usb tree > USB device tree: > 1 Hub (5 Gb/s, 0mA) > | U-Boot XHCI Host Controller > | > +-2 MassStorage (5 Gb/s, 224mA) > | JMicron USB 3.1 Storage Device DD56419884B3E > | > +-3 Hub (480 Mb/s, 100A) > | USB2.0 Hub > | > +-4 Human Interface (12 Mb/s, 98mA) > Logitech USB Receiver > > HassOS> ls usb 0:1 > HassOS> usb reset > resetting USB... > Bus xhci_pci: Register 5000420 NbrPorts 5 > Starting the controller > USB XHCI 1.00 > scanning bus xhci_ci for devices... 4 USB Device(s) found > scanning usb for storage devices... 1 Storage Device(s) found > HassOS>ls usb 0:1 > 41499 bcm2711-rpi-4-b.dtb > 2382 boot.scr > 57 cmdline.txt > 1785 config.txt > overlays/ > 488304 u-boot.bin > 2272992 start4.elf.orig > 2277376 start4.elf > 5405 fixup4.dat.orig > 5407 fiup4.dat > > 9 file(s), 1 dir(s) > > HassOS> usb tree > USB device tree: > 1 Hub (5 Gb/s, 0mA) > | U-Boot XHCI Host Controller > | > |+-2 Mass Storage (5 Gb/s, 224mA) > | JMicron USB 3.1 Storage Device DD56419884B3E > | > +-3 Hub (480 b/s, 100mA) > | USB2.0 Hub > | > +-4 Human Interface (12 Mb/s, 98mA) > Logitech USB Receier > > The device then boots and works fine. > > > Do you happen to know if there is some tunable in U-Boot which might > help?
Sorry but nothing comes to mind. I'm not aware of similar issues. Regards, Nicolas
