[U-Boot] [PATCH] efi_loader: Fix disk dp's for pre-DM/legacy devices

Jonathan Gray jsg at jsg.id.au
Tue Nov 21 05:59:33 UTC 2017


On Sat, Nov 18, 2017 at 03:25:29PM +1100, Jonathan Gray wrote:
>
> While U-Boot 2017.11 release works with vexpress/qemu with the
> efi loader it is broken on at least rpi_3 and tinker-rk3288.
> MEDIA_DEVICE is not found again.

The loaded image paths look like the below.

vexpress and qemu_arm (virt) have a MEDIA_DEVICE, rpi_3 and
tinkerboard do not.

Having boot_targets load bootarm.efi from mmc on rpi_3 works but having
it load from usb does not.

vexpress
Found EFI removable media binary efi/boot/bootarm.efi
Scanning disks on mmc...
efi_disk_add_dev: name: mmc0 if_typename: mmc part: 1
efi_disk_add_dev: name: mmc0 if_typename: mmc part: 4
efi_disk_add_dev: name: mmc0 if_typename: mmc part: 0
MMC Device 1 not found
MMC Device 2 not found
MMC Device 3 not found
Found 1 disks
reading efi/boot/bootarm.efi
67436 bytes read in 45 ms (1.4 MiB/s)
## Starting EFI application at a0008000 ...
efi_setup_loaded_image: device_path: /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/Usb(0x6,0x0)/HD(Part0,MBRType=01,SigType=00)
efi_setup_loaded_image: file_path /\efi\boot\bootarm.efi

=> dm tree
Unknown command 'dm' - try 'help'

=> part list mmc 0

Partition Map for MMC device 0  --   Partition Type: DOS

Part    Start Sector    Num Sectors     UUID            Type
  1     2048            4096            00000000-01     0c Boot
  4     6144            30720           00000000-04     a6

qemu_arm
Found EFI removable media binary efi/boot/bootarm.efi
Scanning disk ahci_scsi.id0lun0...
efi_disk_add_dev: name: ahci_scsi.id0lun0 if_typename: scsi_blk part: 1
efi_disk_add_dev: name: ahci_scsi.id0lun0 if_typename: scsi_blk part: 4
efi_disk_add_dev: name: ahci_scsi.id0lun0 if_typename: scsi_blk part: 0
Found 1 disks
reading efi/boot/bootarm.efi
67436 bytes read in 9 ms (7.1 MiB/s)
## Starting EFI application at 40400000 ...
efi_setup_loaded_image: device_path: /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/HD(Part0,MBRType=01,SigType=00)
efi_setup_loaded_image: file_path /\efi\boot\bootarm.efi

=> dm tree
 Class      Probed  Driver      Name
----------------------------------------
 root       [ + ]   root_drive  root_driver
 simple_bus [   ]   generic_si  |-- platform at c000000
 pci        [ + ]   pci_generi  |-- pcie at 10000000
 pci_generi [   ]   pci_generi  |   |-- pci_0:0.0
 pci_generi [   ]   pci_generi  |   |-- pci_0:1.0
 ahci       [   ]   ahci_pci    |   `-- ahci_pci
 scsi       [   ]   ahci_scsi   |       `-- ahci_scsi
 serial     [ + ]   serial_pl0  |-- pl011 at 9000000
 firmware   [   ]   psci        `-- psci
 sysreset   [   ]   psci-sysre      `-- psci-sysreset

=> part list scsi 0

Partition Map for SCSI device 0  --   Partition Type: DOS

Part    Start Sector    Num Sectors     UUID            Type
  1     2048            4096            00000000-01     0c Boot
  4     6144            30720           00000000-04     a6

rpi3
U-Boot> printenv boot_targets
boot_targets=usb0 mmc0 pxe dhcp

## Starting EFI application at 01000000 ...
Scanning disk sdhci at 7e300000.blk...
efi_disk_add_dev: name: sdhci at 7e300000.blk if_typename: mmc_blk part: 1
efi_disk_add_dev: name: sdhci at 7e300000.blk if_typename: mmc_blk part: 4
efi_disk_add_dev: name: sdhci at 7e300000.blk if_typename: mmc_blk part: 0
Scanning disk usb_mass_storage.lun0...
efi_disk_add_dev: name: usb_mass_storage.lun0 if_typename: usb_storage_blk part: 1
efi_disk_add_dev: name: usb_mass_storage.lun0 if_typename: usb_storage_blk part: 4
efi_disk_add_dev: name: usb_mass_storage.lun0 if_typename: usb_storage_blk part: 0
Found 2 disks
efi_setup_loaded_image: device_path: /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/USBClass(0,0,9,0,0)/USBClass(424,9514,9,0,2)/USBClass(781,5581,0,0,0)/HD(Part0,MBRType=01,SigType=00)
efi_setup_loaded_image: file_path /\efi\boot\bootaa64.efi

U-Boot> printenv boot_targets
boot_targets=mmc0 usb0 pxe dhcp

mmc0 is current device
Scanning mmc 0:1...
Found EFI removable media binary efi/boot/bootaa64.efi
reading efi/boot/bootaa64.efi
78623 bytes read in 31 ms (2.4 MiB/s)
## Starting EFI application at 01000000 ...
Scanning disk sdhci at 7e300000.blk...
efi_disk_add_dev: name: sdhci at 7e300000.blk if_typename: mmc_blk part: 1
efi_disk_add_dev: name: sdhci at 7e300000.blk if_typename: mmc_blk part: 4
efi_disk_add_dev: name: sdhci at 7e300000.blk if_typename: mmc_blk part: 0
Scanning disk usb_mass_storage.lun0...
efi_disk_add_dev: name: usb_mass_storage.lun0 if_typename: usb_storage_blk part: 1
efi_disk_add_dev: name: usb_mass_storage.lun0 if_typename: usb_storage_blk part: 4
efi_disk_add_dev: name: usb_mass_storage.lun0 if_typename: usb_storage_blk part: 0
Found 2 disks
efi_setup_loaded_image: device_path: /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/MMC(Slot0)/HD(Part0,MBRType=01,SigType=00)
efi_setup_loaded_image: file_path /\efi\boot\bootaa64.efi

U-Boot> dm tree
 Class      Probed  Driver      Name
----------------------------------------
 root       [ + ]   root_drive  root_driver
 simple_bus [ + ]   generic_si  |-- soc
 gpio       [ + ]   gpio_bcm28  |   |-- gpio at 7e200000
 serial     [ + ]   serial_bcm  |   |-- serial at 7e215040
 mmc        [ + ]   sdhci-bcm2  |   |-- sdhci at 7e300000
 blk        [ + ]   mmc_blk     |   |   `-- sdhci at 7e300000.blk
 video      [ + ]   bcm2835_vi  |   |-- hdmi at 7e902000
 vidconsole [ + ]   vidconsole  |   |   `-- hdmi at 7e902000.vidconsole0
 usb        [ + ]   dwc2_usb    |   `-- usb at 7e980000
 usb_hub    [ + ]   usb_hub     |       `-- usb_hub
 usb_hub    [ + ]   usb_hub     |           `-- usb_hub
 eth        [ + ]   smsc95xx_e  |               |-- smsc95xx_eth
 usb_mass_s [ + ]   usb_mass_s  |               `-- usb_mass_storage
 blk        [   ]   usb_storag  |                   `-- usb_mass_storage.lun0
 simple_bus [   ]   generic_si  `-- clocks

U-Boot> part list usb 0

Partition Map for USB device 0  --   Partition Type: DOS

Part    Start Sector    Num Sectors     UUID            Type
  1     8192            32768           00000000-01     0c Boot
  4     40960           60021540        00000000-04     a6

U-Boot> part list mmc 0

Partition Map for MMC device 0  --   Partition Type: DOS

Part    Start Sector    Num Sectors     UUID            Type
  1     8192            8192            00000000-01     0c Boot
  4     16384           26624           00000000-04     a6

tinkerboard

Scanning mmc 1:1...
Found EFI removable media binary efi/boot/bootarm.efi
libfdt fdt_check_header(): FDT_ERR_BADMAGIC
Scanning disk dwmmc at ff0c0000.blk...
efi_disk_add_dev: name: dwmmc at ff0c0000.blk if_typename: mmc_blk part: 1
efi_disk_add_dev: name: dwmmc at ff0c0000.blk if_typename: mmc_blk part: 4
efi_disk_add_dev: name: dwmmc at ff0c0000.blk if_typename: mmc_blk part: 0
Found 1 disks
reading efi/boot/bootarm.efi
67356 bytes read in 10 ms (6.4 MiB/s)
libfdt fdt_check_header(): FDT_ERR_BADMAGIC
## Starting EFI application at 02000000 ...
efi_setup_loaded_image: device_path: /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/MMC(Slot1)/HD(Part0,MBRType=01,SigType=00)
efi_setup_loaded_image: file_path /\efi\boot\bootarm.efi

=> part list mmc 1

Partition Map for MMC device 1  --   Partition Type: DOS

Part    Start Sector    Num Sectors     UUID            Type
  1     2048            32768           00000000-01     0c Boot
  4     34816           62299136        00000000-04     a6

=> dm tree
 Class	    Probed  Driver	Name
----------------------------------------
 root	    [ + ]   root_drive	root_driver
 clk	    [	]   fixed_rate	|-- oscillator
 mmc	    [ + ]   rockchip_r	|-- dwmmc at ff0c0000
 blk	    [ + ]   mmc_blk	|   `-- dwmmc at ff0c0000.blk
 adc	    [	]   rockchip_s	|-- saradc at ff100000
 i2c	    [	]   i2c_rockch	|-- i2c at ff170000
 serial	    [	]   ns16550_se	|-- serial at ff180000
 serial	    [	]   ns16550_se	|-- serial at ff190000
 serial	    [ + ]   ns16550_se	|-- serial at ff690000
 serial	    [	]   ns16550_se	|-- serial at ff1b0000
 serial	    [	]   ns16550_se	|-- serial at ff1c0000
 eth	    [ + ]   gmac_rockc	|-- ethernet at ff290000
 usb	    [	]   dwc2_usb	|-- usb at ff540000
 usb	    [	]   dwc2_usb	|-- usb at ff580000
 ram	    [	]   rockchip_r	|-- dmc at ff610000
 i2c	    [ + ]   i2c_rockch	|-- i2c at ff650000
 pmic	    [ + ]   rk8xx pmic	|   `-- pmic at 1b
 regulator  [	]   rk8xx_buck	|	|-- DCDC_REG1
 regulator  [	]   rk8xx_buck	|	|-- DCDC_REG2
 regulator  [	]   rk8xx_buck	|	|-- DCDC_REG3
 regulator  [	]   rk8xx_buck	|	|-- DCDC_REG4
 regulator  [	]   rk8xx_ldo	|	|-- LDO_REG1
 regulator  [	]   rk8xx_ldo	|	|-- LDO_REG2
 regulator  [	]   rk8xx_ldo	|	|-- LDO_REG3
 regulator  [	]   rk8xx_ldo	|	|-- LDO_REG4
 regulator  [	]   rk8xx_ldo	|	|-- LDO_REG5
 regulator  [	]   rk8xx_ldo	|	|-- LDO_REG6
 regulator  [	]   rk8xx_ldo	|	|-- LDO_REG7
 regulator  [	]   rk8xx_ldo	|	|-- LDO_REG8
 regulator  [	]   rk8xx_swit	|	|-- SWITCH_REG1
 regulator  [ + ]   rk8xx_swit	|	`-- SWITCH_REG2
 i2c	    [ + ]   i2c_rockch	|-- i2c at ff660000
 i2c_eeprom [ + ]   i2c_eeprom	|   `-- m24c08 at 50
 pwm	    [	]   rk_pwm	|-- pwm at ff680000
 pwm	    [	]   rk_pwm	|-- pwm at ff680010
 syscon	    [ + ]   rk3288_sys	|-- power-management at ff730000
 syscon	    [	]   rk3288_sys	|-- syscon at ff740000
 clk	    [ + ]   rockchip_r	|-- clock-controller at ff760000
 sysreset   [	]   rk3288_sys	|-- reset
 syscon	    [ + ]   rk3288_sys	|-- syscon at ff770000
 syscon	    [	]   rk3288_sys	|-- syscon at ffac0000
 pinctrl    [ + ]   rockchip_r	|-- pinctrl
 gpio	    [	]   gpio_rockc	|   |-- gpio0 at ff750000
 gpio	    [	]   gpio_rockc	|   |-- gpio1 at ff780000
 gpio	    [	]   gpio_rockc	|   |-- gpio2 at ff790000
 gpio	    [	]   gpio_rockc	|   |-- gpio3 at ff7a0000
 gpio	    [ + ]   gpio_rockc	|   |-- gpio4 at ff7b0000
 gpio	    [	]   gpio_rockc	|   |-- gpio5 at ff7c0000
 gpio	    [	]   gpio_rockc	|   |-- gpio6 at ff7d0000
 gpio	    [ + ]   gpio_rockc	|   |-- gpio7 at ff7e0000
 gpio	    [	]   gpio_rockc	|   |-- gpio8 at ff7f0000
 pinconfig  [	]   pinconfig	|   |-- pcfg-pull-up
 pinconfig  [	]   pinconfig	|   |-- pcfg-pull-down
 pinconfig  [	]   pinconfig	|   |-- pcfg-pull-none
 pinconfig  [	]   pinconfig	|   |-- pcfg-pull-none-12ma
 pinconfig  [ + ]   pinconfig	|   |-- sleep
 pinconfig  [ + ]   pinconfig	|   |	|-- global-pwroff
 pinconfig  [	]   pinconfig	|   |	|-- ddrio-pwroff
 pinconfig  [	]   pinconfig	|   |	|-- ddr0-retention
 pinconfig  [	]   pinconfig	|   |	`-- ddr1-retention
 pinconfig  [ + ]   pinconfig	|   |-- i2c0
 pinconfig  [ + ]   pinconfig	|   |	`-- i2c0-xfer
 pinconfig  [	]   pinconfig	|   |-- i2c1
 pinconfig  [	]   pinconfig	|   |	`-- i2c1-xfer
 pinconfig  [ + ]   pinconfig	|   |-- i2c2
 pinconfig  [ + ]   pinconfig	|   |	`-- i2c2-xfer
 pinconfig  [	]   pinconfig	|   |-- i2c3
 pinconfig  [	]   pinconfig	|   |	`-- i2c3-xfer
 pinconfig  [	]   pinconfig	|   |-- i2c4
 pinconfig  [	]   pinconfig	|   |	`-- i2c4-xfer
 pinconfig  [	]   pinconfig	|   |-- i2c5
 pinconfig  [	]   pinconfig	|   |	`-- i2c5-xfer
 pinconfig  [	]   pinconfig	|   |-- i2s0
 pinconfig  [	]   pinconfig	|   |	`-- i2s0-bus
 pinconfig  [	]   pinconfig	|   |-- lcdc0
 pinconfig  [	]   pinconfig	|   |	`-- lcdc0-ctl
 pinconfig  [ + ]   pinconfig	|   |-- sdmmc
 pinconfig  [ + ]   pinconfig	|   |	|-- sdmmc-clk
 pinconfig  [ + ]   pinconfig	|   |	|-- sdmmc-cmd
 pinconfig  [ + ]   pinconfig	|   |	|-- sdmcc-cd
 pinconfig  [	]   pinconfig	|   |	|-- sdmmc-bus1
 pinconfig  [ + ]   pinconfig	|   |	|-- sdmmc-bus4
 pinconfig  [ + ]   pinconfig	|   |	`-- sdmmc-pwr
 pinconfig  [	]   pinconfig	|   |-- sdio0
 pinconfig  [	]   pinconfig	|   |	|-- sdio0-bus1
 pinconfig  [	]   pinconfig	|   |	|-- sdio0-bus4
 pinconfig  [	]   pinconfig	|   |	|-- sdio0-cmd
 pinconfig  [	]   pinconfig	|   |	|-- sdio0-clk
 pinconfig  [	]   pinconfig	|   |	|-- sdio0-cd
 pinconfig  [	]   pinconfig	|   |	|-- sdio0-wp
 pinconfig  [	]   pinconfig	|   |	|-- sdio0-pwr
 pinconfig  [	]   pinconfig	|   |	|-- sdio0-bkpwr
 pinconfig  [	]   pinconfig	|   |	`-- sdio0-int
 pinconfig  [	]   pinconfig	|   |-- sdio1
 pinconfig  [	]   pinconfig	|   |	|-- sdio1-bus1
 pinconfig  [	]   pinconfig	|   |	|-- sdio1-bus4
 pinconfig  [	]   pinconfig	|   |	|-- sdio1-cd
 pinconfig  [	]   pinconfig	|   |	|-- sdio1-wp
 pinconfig  [	]   pinconfig	|   |	|-- sdio1-bkpwr
 pinconfig  [	]   pinconfig	|   |	|-- sdio1-int
 pinconfig  [	]   pinconfig	|   |	|-- sdio1-cmd
 pinconfig  [	]   pinconfig	|   |	|-- sdio1-clk
 pinconfig  [	]   pinconfig	|   |	`-- sdio1-pwr
 pinconfig  [	]   pinconfig	|   |-- emmc
 pinconfig  [	]   pinconfig	|   |	|-- emmc-clk
 pinconfig  [	]   pinconfig	|   |	|-- emmc-cmd
 pinconfig  [	]   pinconfig	|   |	|-- emmc-pwr
 pinconfig  [	]   pinconfig	|   |	|-- emmc-bus1
 pinconfig  [	]   pinconfig	|   |	|-- emmc-bus4
 pinconfig  [	]   pinconfig	|   |	`-- emmc-bus8
 pinconfig  [	]   pinconfig	|   |-- spi0
 pinconfig  [	]   pinconfig	|   |	|-- spi0-clk
 pinconfig  [	]   pinconfig	|   |	|-- spi0-cs0
 pinconfig  [	]   pinconfig	|   |	|-- spi0-tx
 pinconfig  [	]   pinconfig	|   |	|-- spi0-rx
 pinconfig  [	]   pinconfig	|   |	`-- spi0-cs1
 pinconfig  [	]   pinconfig	|   |-- spi1
 pinconfig  [	]   pinconfig	|   |	|-- spi1-clk
 pinconfig  [	]   pinconfig	|   |	|-- spi1-cs0
 pinconfig  [	]   pinconfig	|   |	|-- spi1-rx
 pinconfig  [	]   pinconfig	|   |	`-- spi1-tx
 pinconfig  [	]   pinconfig	|   |-- spi2
 pinconfig  [	]   pinconfig	|   |	|-- spi2-cs1
 pinconfig  [	]   pinconfig	|   |	|-- spi2-clk
 pinconfig  [	]   pinconfig	|   |	|-- spi2-cs0
 pinconfig  [	]   pinconfig	|   |	|-- spi2-rx
 pinconfig  [	]   pinconfig	|   |	`-- spi2-tx
 pinconfig  [	]   pinconfig	|   |-- uart0
 pinconfig  [	]   pinconfig	|   |	|-- uart0-xfer
 pinconfig  [	]   pinconfig	|   |	|-- uart0-cts
 pinconfig  [	]   pinconfig	|   |	`-- uart0-rts
 pinconfig  [	]   pinconfig	|   |-- uart1
 pinconfig  [	]   pinconfig	|   |	|-- uart1-xfer
 pinconfig  [	]   pinconfig	|   |	|-- uart1-cts
 pinconfig  [	]   pinconfig	|   |	`-- uart1-rts
 pinconfig  [ + ]   pinconfig	|   |-- uart2
 pinconfig  [ + ]   pinconfig	|   |	`-- uart2-xfer
 pinconfig  [	]   pinconfig	|   |-- uart3
 pinconfig  [	]   pinconfig	|   |	|-- uart3-xfer
 pinconfig  [	]   pinconfig	|   |	|-- uart3-cts
 pinconfig  [	]   pinconfig	|   |	`-- uart3-rts
 pinconfig  [	]   pinconfig	|   |-- uart4
 pinconfig  [	]   pinconfig	|   |	|-- uart4-xfer
 pinconfig  [	]   pinconfig	|   |	|-- uart4-cts
 pinconfig  [	]   pinconfig	|   |	`-- uart4-rts
 pinconfig  [	]   pinconfig	|   |-- tsadc
 pinconfig  [	]   pinconfig	|   |	`-- otp-out
 pinconfig  [	]   pinconfig	|   |-- pwm0
 pinconfig  [	]   pinconfig	|   |	`-- pwm0-pin
 pinconfig  [	]   pinconfig	|   |-- pwm1
 pinconfig  [	]   pinconfig	|   |	`-- pwm1-pin
 pinconfig  [	]   pinconfig	|   |-- pwm2
 pinconfig  [	]   pinconfig	|   |	`-- pwm2-pin
 pinconfig  [	]   pinconfig	|   |-- pwm3
 pinconfig  [	]   pinconfig	|   |	`-- pwm3-pin
 pinconfig  [ + ]   pinconfig	|   |-- gmac
 pinconfig  [ + ]   pinconfig	|   |	|-- rgmii-pins
 pinconfig  [	]   pinconfig	|   |	`-- rmii-pins
 pinconfig  [	]   pinconfig	|   |-- spdif
 pinconfig  [	]   pinconfig	|   |	`-- spdif-tx
 pinconfig  [	]   pinconfig	|   |-- pcfg-pull-none-drv-8ma
 pinconfig  [	]   pinconfig	|   |-- pcfg-pull-up-drv-8ma
 pinconfig  [	]   pinconfig	|   |-- backlight
 pinconfig  [	]   pinconfig	|   |	`-- bl-en
 pinconfig  [	]   pinconfig	|   |-- buttons
 pinconfig  [	]   pinconfig	|   |	`-- pwrbtn
 pinconfig  [	]   pinconfig	|   |-- eth_phy
 pinconfig  [	]   pinconfig	|   |	`-- eth-phy-pwr
 pinconfig  [ + ]   pinconfig	|   |-- pmic
 pinconfig  [ + ]   pinconfig	|   |	`-- pmic-int
 pinconfig  [	]   pinconfig	|   `-- usb
 pinconfig  [	]   pinconfig	|	|-- host-vbus-drv
 pinconfig  [	]   pinconfig	|	`-- pwr-3g
 clk	    [	]   fixed_rate	|-- external-gmac-clock
 regulator  [	]   fixed regu	|-- vsys-regulator
 regulator  [ + ]   fixed regu	|-- sdmmc-regulator
 regulator  [	]   fixed regu	`-- usb-host-regulator
=>

>
> U-Boot 2017.09 (Nov 16 2017 - 04:05:33 -0700)
>
> DRAM:  948 MiB
> RPI 3 Model B (0xa02082)
> MMC:   sdhci at 7e300000: 0
> reading uboot.env
> In:    serial
> Out:   vidconsole
> Err:   vidconsole
> Net:   No ethernet found.
> starting USB...
> USB0:   Core Release: 2.80a
> scanning bus 0 for devices... 4 USB Device(s) found
>        scanning usb for storage devices... 1 Storage Device(s) found
> Hit any key to stop autoboot:  0
>
> Device 0: Vendor: SanDisk Rev: 1.00 Prod: Ultra
>             Type: Removable Hard Disk
>             Capacity: 29327.3 MB = 28.6 GB (60062500 x 512)
> ... is now current device
> Scanning usb 0:1...
> Found EFI removable media binary efi/boot/bootaa64.efi
> reading efi/boot/bootaa64.efi
> 78959 bytes read in 75 ms (1 MiB/s)
> ## Starting EFI application at 01000000 ...
> Scanning disk sdhci at 7e300000.blk...
> Scanning disk usb_mass_storage.lun0...
> Found 2 disks
> efi_diskprobe
> efi_device_path_depth looking for type 4 i=0 type 4
> depth=0
> i=0
> efi_bootdp=Dusbmassstoragelun dp=Dsdhcieblk
> i=1
> efi_bootdp=Dusbmassstoragelun dp=Dusbmassstoragelun
> >> OpenBSD/arm64 BOOTAA64 0.8
> boot>
> booting sd0a:/bsd: 3871708+578596+509352+803952 [283845+96+451968+239920]=0x82f330
>
> U-Boot 2017.11 (Nov 15 2017 - 13:14:19 +1100)
>
> DRAM:  948 MiB
> RPI 3 Model B (0xa02082)
> MMC:   sdhci at 7e300000: 0
> reading uboot.env
> In:    serial
> Out:   vidconsole
> Err:   vidconsole
> Net:   No ethernet found.
> starting USB...
> USB0:	Core Release: 2.80a
> scanning bus 0 for devices... 4 USB Device(s) found
>        scanning usb for storage devices... 1 Storage Device(s) found
> Hit any key to stop autoboot:  0
>
> Device 0: Vendor: SanDisk Rev: 1.00 Prod: Ultra
> 	    Type: Removable Hard Disk
> 	    Capacity: 29327.3 MB = 28.6 GB (60062500 x 512)
> ... is now current device
> Scanning usb 0:1...
> Found EFI removable media binary efi/boot/bootaa64.efi
> reading efi/boot/bootaa64.efi
> 78959 bytes read in 86 ms (896.5 KiB/s)
> ## Starting EFI application at 01000000 ...
> Scanning disk sdhci at 7e300000.blk...
> Scanning disk usb_mass_storage.lun0...
> Found 2 disks
> efi_diskprobe
> efi_device_path_depth looking for type 4 i=0 type 1
> efi_device_path_depth looking for type 4 i=1 type 3
> efi_device_path_depth looking for type 4 i=2 type 3
> efi_device_path_depth looking for type 4 i=3 type 3
> efi_device_path_depth no match for type 4
> depth=-1
> i=0
> i=1
> i=2
> i=3
> i=4
> i=5
> >> OpenBSD/arm64 BOOTAA64 0.8
> boot>
> cannot open sd0a:/etc/random.seed: Device not configured
> booting sd0a:/bsd: open sd0a:/bsd: Device not configured
>  failed(6). will try /bsd
> boot>
> cannot open sd0a:/etc/random.seed: Device not configured
> booting sd0a:/bsd: open sd0a:/bsd: Device not configured
>  failed(6). will try /bsd
> Turning timeout off.
> boot>
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