| Alan Tull | 5cf0c7f | 2017-11-15 14:20:12 -0600 | [diff] [blame] | 1 | Linux kernel FPGA support |
| 2 | |
| 3 | Alan Tull 2017 |
| 4 | |
| 5 | The main point of this project has been to separate the out the upper layers |
| 6 | that know when to reprogram a FPGA from the lower layers that know how to |
| 7 | reprogram a specific FPGA device. The intention is to make this manufacturer |
| 8 | agnostic, understanding that of course the FPGA images are very device specific |
| 9 | themselves. |
| 10 | |
| 11 | The framework in the kernel includes: |
| 12 | * low level FPGA manager drivers that know how to program a specific device |
| 13 | * the fpga-mgr framework they are registered with |
| 14 | * low level FPGA bridge drivers for hard/soft bridges which are intended to |
| 15 | be disable during FPGA programming |
| 16 | * the fpga-bridge framework they are registered with |
| 17 | * the fpga-region framework which associates and controls managers and bridges |
| 18 | as reconfigurable regions |
| 19 | * the of-fpga-region support for reprogramming FPGAs when device tree overlays |
| 20 | are applied. |
| 21 | |
| 22 | I would encourage you the user to add code that creates FPGA regions rather |
| 23 | that trying to control managers and bridges separately. |