[v1,0/5] Add some enhancements for i.MX95 PCIe

Message

Richard Zhu March 24, 2025, 6:26 a.m. UTC

Add some enhancements for i.MX95 PCIe.
- Refine the link procedure to speed up link training.
- Add two ERRATA SW workarounds of i.MX95 PCIe.
- Beside Power On reset, add COLD reset for i.MX95 PCIe.
- Save/retore the LUT table in supend/resume callbacks.

[PATCH v1 1/5] PCI: imx6: Start link directly when workaround is not
[PATCH v1 2/5] PCI: imx6: Toggle the cold reset for i.MX95 PCIe
[PATCH v1 3/5] PCI: imx6: Workaround i.MX95 PCIe may not exit L23
[PATCH v1 4/5] PCI: imx6: Let i.MX95 PCIe compliance with 8GT/s
[PATCH v1 5/5] PCI: imx6: Save and restore the LUT setting for i.MX95

drivers/pci/controller/dwc/pci-imx6.c | 155 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---------------
1 file changed, 135 insertions(+), 20 deletions(-)