Add broadcast mode to DMA #425
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* Two DMA slots are now exported for the external peripherals * A dummy example of an FIFO peripheral using RX/TX streaming windows is added
* Replace the IFFIFO window interface by plain status/control registers * Add acceleration feature in IFFIFO * Adapt software example * Rename exported DMA slots
* fifo_v3 replaced by prim_fifo_sync * the example features use of valid/ready signals
* Implement status register (empty/available/full/watermark) * Implement interrupts (available/watermark/full) [untested]
- add iffifo interrupt into the PLIC system - remove FULL and AVAILABLE interrupts as they can be implemented with REACHED interrupts
* Populate pointer, increment and slot registers for broadcasting * Remove code duplicate * Initialize registers * Add EOF new line
* Add symbols * Add broadcast target
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PR #417 needs to be merged before this PR. |
davideschiavone
requested changes
Nov 8, 2023
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PR converted to draft until changes request is addressed. |
merge origin into dma-broadcast via main
davideschiavone
requested changes
Nov 23, 2023
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Fix #408