[U-Boot] EFI: incorrect device paths

[Heinrich Schuchardt]

On 11/25/2017 09:54 AM, Mark Kettenis wrote:
>> From: Heinrich Schuchardt <xypron.glpk at gmx.de>
>> Date: Sat, 25 Nov 2017 02:49:41 +0100
>>
>> Hello Emmanuel,
>>
>> yesterday you reported on the u-boot ICS channel that you saw an 
>> incorrect device path for the SD card on your BananaPi M2 
>> (/venHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/Usb(0x6,0x0)/HD(Part0,MBRType=01)).
>>
>> In dp_fill() both mass storage (UCLASS_MASS_STORAGE) and USB hubs 
>> (UCLASS_USB_HUB) are mapped to USB devices. Maybe that is what happened 
>> to you.
>>
>> On my Odroid C2 the following devices paths are created:
>>
>> Installed device path protocols: 
>>
>> /MemoryMapped(0x0,0x7ff9c604,0x7ff9c604) 
>>
>> /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/MMC(Slot0)/HD(Part0,Sig6fe30000)
>>
>> /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/MMC(Slot0)/HD(Part1,Sig6fe30000)
>>
>> /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/MMC(Slot0)/HD(Part2,Sig6fe30000)
>>
>> /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/MMC(Slot0)/HD(Part3,Sig6fe30000)
>>
>> /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/MMC(Slot0)
>>
>> /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/
>> /VenHw(dbca4c98-6cb0-694d-0872-819c650cbbb1)
>>
>> /VenHw(dbca4c98-6cb0-694d-0872-819c650cbbb1)/
>> VenHw(dbca4c98-6cb0-694d-0872-819c650cbba2)
>>
>> /VenHw(dbca4c98-6cb0-694d-0872-819c650cbbb1)/
>> VenHw(dbca4c98-6cb0-694d-0872-819c650cbba2)/VenHw(dbca4c9...
>>
>> I have an SD card with four partitions.
>>
>> The entry with partition number 0 should match to the whole disk. So 
>> obviously one device path is missing.
>>
>> eMMC should be reported as eMMC(SlotNumber) where slot number is a 
>> number only, e.g. eMMC(1).
>>
>> SD cards should be reported as SD(SlotNumber), e.g. SD(1).
>>
>> Partions should be reported as
>> HD(Partition,Type,Signature,Start,Size) or
>> HD(Partition,Type,Signature) (display only)
>> e.g.
>> HD(1,GPT,15E39A00-1DD2-1000-8D7F-00A0C92408FC,0x22,0x271000)
>>
>> So there seems to be still a lot to be fixed.
> 
> Have Jonathan Gray's patches to fix device paths been merged yet?
> 

[U-Boot,v2] efi_loader: initialise partition_signature memory
https://patchwork.ozlabs.org/patch/840248/

is waiting for review but does not concern the problems reported in my mail.

Best regards

Heinrich