Add support to register callback function for each PCIe reset.
These callback functions are executed from corresponding
PCIe reset interrupt handler if registered.
Signed-off-by: Shivaraj Shetty <shivaraj.shetty@broadcom.com>
Signed-off-by: Abhishek Shah <abhishek.shah@broadcom.com>
Add reset interrupt handlers for all three types of reset
interrupts that iProc PCIe EP can receive - namely PERST,
INB PERST and FLR.
Signed-off-by: Shivaraj Shetty <shivaraj.shetty@broadcom.com>
Signed-off-by: Abhishek Shah <abhishek.shah@broadcom.com>
iProc PCIe EP IP is present in Broadcom PCIe offload chips.
Add iProc PCIe EP driver to provide basic PCIe EP functionality.
Signed-off-by: Abhishek Shah <abhishek.shah@broadcom.com>
Signed-off-by: Shivaraj Shetty <shivaraj.shetty@broadcom.com>
Introduce common API to achieve data transfer using memcpy
to/from outbound region of PCIe EP.
Signed-off-by: Abhishek Shah <abhishek.shah@broadcom.com>
Add public APIs for PCIe endpoint driver:
- EP configuration space read/write
- Mapping/Unmapping of Host buffer and PCIe outbound region
- Raise interrupt to Host
These are minimal base APIs to make PCIe EP functional.
Also, add a Kconfig and an empty CMakeLists.txt for drivers to extend.
Signed-off-by: Abhishek Shah <abhishek.shah@broadcom.com>
