Re: [PATCH V3 00/12] Enable Tegra root port features and apply SW fixups

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Bjorn, Thierry,

Could you please review this series of patches?

On 30-Oct-17 7:27 PM, Manikanta Maddireddy wrote:
> These series of patches does the following things,
> - Deasserting pcie_xrst after programming root port to make sure that
>   register programming is reflected during LTSSM
> - Apply REFCLK pad settings to make sure P2P amplitude requirement is met
> - Enable Gen2 link speed
> - Advertise AER capability
> - Program UPHY electrical settings for meeting eye diagram requirements
> - Bunch of SW fixups explained in their respective commit log
> 
> Testing done on Tegra124, 210 and 186:
> - PCIe link up, config read, BAR read and basic functionality of Ethernet
>   card
> - Link speed switch to Gen2 after link retrain
> - Link speed stays in Gen1 after retrain if end point is only Gen1 capable
> - Simulated AER errors and verified dmesg logs for them
> - Rest of the programming is verified by dumping the registers after PCIe
> link up
> 
> Manikanta Maddireddy (12):
>   PCI: tegra: Start LTSSM after programming root port
>   PCI: tegra: Move REFCLK pad settings out of phy_power_on()
>   PCI: tegra: Retrain link for Gen2 speed
>   PCI: tegra: Advertise AER capability
>   PCI: tegra: Program UPHY electrical settings in Tegra210
>   PCI: tegra: Enable opportunistic update FC and ACK
>   PCI: tegra: Disable AFI dynamic clock gating
>   PCI: tegra: Wait for DLLP to finish before entering L1 or L2
>   PCI: tegra: Enable PCIe xclk clock clamping
>   PCI: tegra: Add SW fixup for RAW violations
>   PCI: tegra: Increase the deskew retry time
>   PCI: tegra: Update flow control threshold in Tegra210
> 
>  drivers/pci/host/pci-tegra.c | 306 ++++++++++++++++++++++++++++++++++++++++---
>  1 file changed, 288 insertions(+), 18 deletions(-)
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-tegra" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [ARM Kernel]     [Linux ARM]     [Linux ARM MSM]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux