Hello,
What executable codes will you expect on the board? x86 or ARM?
Where is the main microprogram for ARM CPU?
-
> option ROM will execute from Host-motherboard BIOS environment.
-
I think you just need to make a command protocol to speak between host CPU and
ARM CPU.
28.07.2013, в 19:47, Murali Selvaraj <[email protected]> написал(а):
> Hello All,
>
> I am new to EDK and UEFI environment.Please share your knowledge/ideas if you
> come across my scenario as mentioned below.
>
> My Setup Details:
>
> My motherboard (Host-x86) is connected with arm based PCI board over
> PCIe.There are four SATA devices are connected to arm board.
>
> My Design:
>
> For this requirement,I need to design a PCI expansion ROM,the functionality
> of PCI expansion ROM will show the list of connected SATA devices on arm
> board and option ROM will execute from Host-motherboard BIOS environment.The
> option ROM will be flashed on arm board and it'll execute from Host BIOS
> environment.
>
> My Query:
>
> 1) In general, Host will detect arm based board during PCI bus enumeration
> via PCIe configuration space.But we need to access connected PCI
> devices(SATA) connected on arm board.How do we access PCI configuration space
> of connected SATA PCI devices on arm board from Host BIOS environment.
>
> 2 ) Is it possible to access SATA devices on arm board from Host BIOS
> environment with a help of PCI configuration space of PCIe card.
>
> Please share your views/ideas on the same.
>
> Thanks
> Murali.S
>
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