[U-Boot] socfpga 2016.05, CV socdk Rev E1, SPL and u-boot fail when booting from QSPI

[Marek Vasut <marex@denx.de>]

On 06/22/2016 06:37 PM, Christian Didriksson wrote:
> Hi Marek,

Hi!

> [..]
> 
> 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:

mmc_init causes data abort ? That is _weird_ .

> #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.

Works on my rev C1:

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


U-Boot 2016.05-gbb88b7b-dirty (Jun 22 2016 - 14:53:14 +0200)

CPU:   Altera SoCFPGA Platform
FPGA:  Altera Cyclone V, SE/A6 or SX/C6 or ST/D6, version 0x0
BOOT:  SD/MMC External Transceiver (1.8V)
       Watchdog enabled
I2C:   ready
DRAM:  1 GiB
MMC:   dwmmc0 at ff704000: 0
In:    serial
Out:   serial
Err:   serial
Model: Altera SOCFPGA Cyclone V SoC Development Kit
Net:   eth0: ethernet at ff702000
Hit any key to stop autoboot:  0
=>
=>
=>
=> ver

U-Boot 2016.05-gbb88b7b-dirty (Jun 22 2016 - 14:53:14 +0200)
arm-cortexa9_neon-linux-uclibcgnueabihf-gcc (crosstool-NG
crosstool-ng-1.22.0-129-ga41b269) 5.3.0
GNU ld (crosstool-NG crosstool-ng-1.22.0-129-ga41b269) 2.26.20160125


-- 
Best regards,
Marek Vasut