| ... | @@ -67,6 +67,15 @@ driver](https://www.ohwr.org/project/svec-sw/tree/master/) can also be |
... | @@ -67,6 +67,15 @@ driver](https://www.ohwr.org/project/svec-sw/tree/master/) can also be |
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very helpful in understanding how you can do the configuration by
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very helpful in understanding how you can do the configuration by
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writing to the Address Relocation Registers.
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writing to the Address Relocation Registers.
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### Q: What happens if I Disable the CR/CSR Space in VME64x?
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You cannot disable cr/csr during initialization. As it is a generic, you can only disable it during instantiation.<br/>
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The core still uses the ga/gap inputs, and still uses the ADEM config bits. The core computes ADER by replacing the 5 lowest significant bits set to 1 by the GA. So if ADEM=FF000000 and GA=7, ADER is 07000000.<br/>
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CS/CSR writes and reads are ignored.<br/>
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IRQ vector and level have to be provided to the core inputs.
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So if the Generic is disabled during instantiation, the core will still be able to calculate which slot the card is occupying and then enable the card.
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---
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---
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19 November 2019 |
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22 April 2020 |
