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@jarkko the green board mayhaps? potentially the black board that connects the green board?
Was I correct? 🤔
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Jarkko Sakkinen
jarkko
@mrmasterkeyboard
I don't know what you mean by "green board" and "black board" but this is:
1. VisionQuest 2 RISC-V board
2. A shield providing RS-232 through USB ordered from AliExpress
3. LetsTrust TPM SPI module (Infineon SLB 9672)
I do most of kernel testing in QEMU ATM but this is my bare metal choice because single USB cable gives both power and serial link and board has jumpers to configure it to SDIO mode (i.e. all stages read from provided SD card). RISC-V is a bit irrelevant here but gives confidence that changes work in multiple platforms and not just on x86. And also slowness is a feature for catching performance regressions.
I don't know what you mean by "green board" and "black board" but this is:
1. VisionQuest 2 RISC-V board
2. A shield providing RS-232 through USB ordered from AliExpress
3. LetsTrust TPM SPI module (Infineon SLB 9672)
I do most of kernel testing in QEMU ATM but this is my bare metal choice because single USB cable gives both power and serial link and board has jumpers to configure it to SDIO mode (i.e. all stages read from provided SD card). RISC-V is a bit irrelevant here but gives confidence that changes work in multiple platforms and not just on x86. And also slowness is a feature for catching performance regressions.
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Jarkko Sakkinen
jarkko
@mrmasterkeyboard This configuration allows me to even build new version of OpenSBI for every build, i.e. I get end-to-end open source stack built by BuildRoot, and has one cable less (no separate power cable) than Raspberry Pi.
The next step I'm planning to improve this is adding JTAG probe into it :-) I have one waiting for this already.
The next step I'm planning to improve this is adding JTAG probe into it :-) I have one waiting for this already.
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