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I have an Arria 10 SoC Dev Kit. I am trying to find documentation that defines the valid configurations of the BSEL jumpers on the SD daughter card. I have looked high and low in documentation, and can find nothing more than that which is in the dev kit user guide. This can be found in Table 3-6.
Unfortunately, all it defines is the mapping between jumper and BSEL[0-3], along with the default settings. It doesn't however, define how to properly configure various boot setups...and how those translate to specific configurations of the jumpers. Where is this documented? DaveLink Copied
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I think I figured this one out myself. It looks like these details can be found in section A-7 "Booting and Configuration" of the Arria 10 Hard Processor System Technical Reference Manual. This at least defines what each BSEL[2:0] value represents.
A couple of things still have me scratching my head: - It isn't clear which jumper setting represents a 0 vs a 1. When I compare the default jumper settings in the SoC dev kit user guide to those in the TRM, it doesn't look right. By default, all 3 jumpers are set the same. This would make the BSEL value either 0 or 7. However, according to the TRM, 0x0 is reserved and 0x7 is for 3.0 V QSPI boot. Neither of those makes sense, given that I know the default settings are used to boot from the SD card. This leads to the second item... - The info in the HPS TRM deals with other boot options besides the SD card. For these settings to map directly to those of the SD daughter card seems a bit odd. I am wondering if the settings in the TRM may be somewhat orthogonal to those on the daughter card. If so, I'm back to square one. Clarification would be appreciated. Dave
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