Hi Marek,
[..]
I skipped booting from QSPI and started all over with a vanilla 2016.05 and built the u-boot-with-spl.sfp. Put it on an SD-card and booted:
U-Boot SPL 2016.05-gbb88b7b-dirty (Jun 22 2016 - 14:53:14) drivers/ddr/altera/sequencer.c: Preparing to start memory calibration drivers/ddr/altera/sequencer.c: CALIBRATION PASSED drivers/ddr/altera/sequencer.c: Calibration complete Trying to boot from MMC1
This printout is repeated forever.
I then connected DS5 via the USB-Blaster cable and single stepped through the SPL and after a while, down in mmc_init, I loose connection to the target and when I interrupt it the PC is here:
#ifdef CONFIG_SPL_BUILD
.align 5 undefined_instruction: software_interrupt: prefetch_abort: data_abort: not_used: irq: fiq:
1: bl 1b /* hang and never return */
#else /* !CONFIG_SPL_BUILD */
I will send you my binary for test on your Rev c board if you can find the time.
I also tested the binary you sent me last week and it behaves identically regarding the printouts and reboot.
Best regards,
Christian