[U-Boot] Newbie SPL question for socfpga_sockit

[Dinh Nguyen <dinguyen@opensource.altera.com>]

CC: Marek Vasut

On 03/01/2016 08:40 PM, George Broz wrote:
> On 17 February 2016 at 18:45, Phil Reid <preid@electromag.com.au> wrote:
>> G'day George
>>
>>
>> On 18/02/2016 5:54 AM, George Broz wrote:
>>>
>>> Hello,
>>>
>>> Sorry for the newbie question...
>>>
>>> I have an Altera/Terasic board (socfpga_sockit) that has issues
>>> recognizing
>>> USB storage devices (roughly 60% good / 40% bad):
>>>
> 
>>> If I try a later release (e.g. v2016.01 which seems to support the Terasic
>>> board explicitly) the boot process stops just after loading the SPL.
>>>
>>> At this point I have only been changing the u-boot.img component, not the
>>> SPL (in the a2 partition of the MMC).
>>>
>>> The documentation from Altera about generating the SPL seems to require
>>> using Qsys/Quartus tools which I'd really like to avoid.
>>>
>>> I can produce u-boot-spl.bin / u-boot.img from
>>> make socfpga_sockit_defconfig; make all.
>>>
>>> My newbie question ... should be I able to use directly the u-boot-spl.bin
>>> generated by the build to replace the SPL on the board?
>>>
>>
>> I've just gone thru the process (this week) of getting uboot 2016.01 to boot
>> on our custom socfpga board.
>> There where a few issues in getting things going.
>> If your using the sd card to boot then the current memory layout is not per
>> the altera documentation.
>> I had to make the changes below to config to match the altera docs.
>> Otherwise it hangs just after the SPL.
>> You also need to use the -dtb image versions with 2016.01 for things to
>> work.
>> Again you may need to make sure the uboot device trees match your hardware.
>> Not all uboot drivers appear to be using the DT as yet.
>>
>> Note the SPL is tightly coupled to the board design and potentially the FPGA
>> image.
>> If you using bridges or routing HPS resources (eg i2c etc) to the fpga the
>> SPL configures the muxes.
>>
>> There's a script in uboot src at arch\arm\mach-socfpga\qts-filter.sh
>> That will generate the qts files for you arch.
>>
>> I haven't tried the USB stuff as yet.
>> There are some issues witht eh altera USB port trigger an Over Current event
>> on device insertation.
>> They've modified the linux kenerl driver to use external OV current
>> detection to get around the problem.
>> My intial workaround was to insert USB device prior to power on.
>> I haven't looked at the uboot USB driver yet to see what's in there.
>>
>>
>> --
>> Regards
>> Phil Reid
>>
>>
>> diff --git a/include/configs/socfpga_common.h
>> b/include/configs/socfpga_common.h
>> index a09e906..3a1b59b 100644 (file)
>> --- a/include/configs/socfpga_common.h
>> +++ b/include/configs/socfpga_common.h
>> @@ -357,13 +357,13 @@ unsigned int cm_get_qspi_controller_clk_hz(void);
>>
>> /* SPL SDMMC boot support */
>> #ifdef CONFIG_SPL_MMC_SUPPORT
>> +#define CONFIG_SPL_LIBDISK_SUPPORT
>> #if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
>> #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 2
>> #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot-dtb.img"
>> -#define CONFIG_SPL_LIBDISK_SUPPORT
>> #else
>> -#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 3
>> -#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0xa00 /* offset 2560 sect
>> (1M+256k) */
>> +#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION 3
>> +#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x200
>> #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 800 /* 400 KB */
>> #endif
>> #endif
>>
>>
> 
> Thanks, Phil!
> 
> Sorry for the delayed response - got called away, but am back to this
> now. I patched
> socfpga_common.h and re-built the project. I picked up
> spl/u-boot-spl-dtb.sfp and
> u-boot-dtb.img and transferred them to the SD card with:
> 
> dd if=u-boot-spl-dtb.sfp of=/dev/sdf3 bs=64k seek=0
> dd if=u-boot-dtb.img of=/dev/sdf3 bs=64k seek=4
> 

You can just do a 'make u-boot-with-spl.sfp' and burn the
u-boot-with-spl.sfp file straight to the a2 partition, or sdf3.

> Tried this with both the original DT set (socfpga.dtsi, socfpga_cyclone.dtsi,
> socfpga_cyclone5_sockit.dts) that came with the u-boot v2016.01 download and
> also an Altera-patched DT set that I've used to boot into Linux numerous times.
> 
> When I start up the board I get:
> 
> U-Boot SPL 2016.01 (Mar 01 2016 - 17:28:14)
> drivers/ddr/altera/sequencer.c: Preparing to start memory calibration
> drivers/ddr/altera/sequencer.c: CALIBRATION FAILED
> drivers/ddr/altera/sequencer.c: Calibration complete
> SDRAM calibration failed.
> ### ERROR ### Please RESET the board ###
> 
> I'm not a Quartus user, so I haven't done anything with the
> qts-filter.sh script you
> mentioned. Do I need to? I don't have any custom FPGA logic - it's
> just the Terasic
> board out of the box.
> 

I just tested U-Boot(v2016.03-rc3) and USB is not working on the devkit
or sockit. It's failing to detect my mass storage device.

Debugging...

Dinh