[coreboot] RISC-V HiFive Unleashed board added to coreboot - has PCI-e slots via exp board

[Taiidan at gmx.com]

On 09/11/2018 08:16 AM, Rudolf Marek wrote:
> Hi,
> 
> Sifive did great job [1] [2] and everything is now opensource including mask rom loader.

Nice!

Truly a win for freedom hardware

Lets hope they next add an IOMMU.

> 
> "Today we’re finally able to rectify this issue by releasing the FU540-C000’s ZSBL and FSBL as an open source project, which can be found on GitHub like all of SiFive’s other open source projects."
> 
> And I guess someone could be interested in:
> 
> "A Challenge
> 
> Now that the bootloader code has been released it’s time for a little challenge. Since the ZSBL lives in a mask ROM on the FU540-C000 there is no way to replace it, but you can at least re-generate the contents of the ROM and then verify that it matches the contents of a real HiFive Unleashed. We’ve posted a copy of the contents of the mask ROM at https://github.com/sifive/freedom-u540-c000-bootloader, the first person to submit a pull request that can exactly reproduce that ROM will get a HiFive Unleashed board!"

Sweet :D

I am trying that for sure!

https://github.com/sifive/freedom-u540-c000-bootloader/tree/challenge/u540-c000-release

Here is a linky to the actual mask rom for lazy people.
> 
> Thanks
> Rudolf
> 
> 
> [1] https://www.sifive.com/blog/2018/09/06/an-open-source-release-of-the-freedom-u540-c000s-bootloader/
> [2] https://github.com/sifive/freedom-u540-c000-bootloader
> 
> 
> 

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