Hi all Any assistance most welcome. Otherwise sorry for the noise.
I am following the instructions here https://github.com/u-boot/u-boot/tree/master/board/rockchip/evb_rk3399 to flash U-Boot onto my Firefly rk3399 with the intention of installing OpenBSD from micro SD on the emmc. I am trying Option 1 (U-Boot SPL). Because I can't locate a RK3399TRUST.ini file, the Option 2 (Rockchip miniloader) approach seems a non-starter. I wasn't successful in doing the necessary compilation steps on my OpenBSD box so had to use Arch Linux. I used these instructions to try to enter maskrom mode: http://wiki.t-firefly.com/index.php/Firefly-RK3399/MaskRom/en There was a disconcerting *Phsst!* sound like a small static discharge when I cycled the power on the board whilst shorting the relevant pins. Nevertheless rkdeveloptool (and AndroidTool on Windows) seem to think the board is in maskrom mode. All that happens when I cycle the power is that a red LED lights up in the optical port. This is what I get when I follow the U-Boot README (Option 1): [chris@n55sf evb_rk3399]$ sudo rkdeveloptool db rkbin/rk33/rk3399_loader_v1.08.106.bin Downloading bootloader succeeded. [chris@n55sf evb_rk3399]$ rkdeveloptool wl 64 u-boot/idbspl.img Write LBA quit, creating comm object failed! [DOH!: forgot sudo!] [chris@n55sf evb_rk3399]$ sudo rkdeveloptool wl 64 u-boot/idbspl.img Write LBA from file (100%) [chris@n55sf evb_rk3399]$ sudo rkdeveloptool wl 0x4000 u-boot/u-boot.itb Write LBA from file (100%) [chris@n55sf evb_rk3399]$ sudo rkdeveloptool rd Reset Device OK. However, on the serial console on my OpenBSD box I get this in response to the first command above (and nothing to the others). DDR Version 1.08 20170320 In Channel 0: DDR3, 800MHz Bus Width=32 Col=10 Bank=8 Row=15/15 CS=2 Die Bus-Width=16 Size=2048MB Channel 1: DDR3, 800MHz Bus Width=32 Col=10 Bank=8 Row=15/15 CS=2 Die Bus-Width=16 Size=2048MB 256B stride ch 0 ddrconfig = 0x101, ddrsize = 0x2020 ch 1 ddrconfig = 0x101, ddrsize = 0x2020 pmugrf_os_reg[2] = 0x3AA17AA1, stride = 0xD OUT usb boot ver:2017-03-07 ChipType = 0x10 mmc: ERROR: SDHCI ERR:cmd:0x102,stat:0x48001 mmc: ERROR: Card did not respond to voltage select! emmc reinit mmc: ERROR: SDHCI ERR:cmd:0x102,stat:0x48001 mmc: ERROR: Card did not respond to voltage select! emmc reinit mmc: ERROR: SDHCI ERR:cmd:0x102,stat:0x48001 mmc: ERROR: Card did not respond to voltage select! SdmmcInit=2 1 UsbHook 457374 powerOn 457495 Cycling the power doesn't seem to do much. I get nothing over on the serial console. I don't know whether I've fried the hardware somehow when trying to get the board into maskrom mode or whether there is some more hopeful explanation/workaround -- perhaps I could boot from an SD card or the SSD I've plugged into the add-on SATA adapter board? Thanks Chris
