PCI: tegra: Rearrange Tegra PCIe driver functions

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Tegra PCIe has register specifications for:

 - AXI to FPCI(AFI) bridge
 - Multiple PCIe root ports
 - PCIe PHY
 - PCIe pad control

Rearrange Tegra PCIe driver functions so that each function programs
the required module only.

- tegra_pcie_enable_controller(): Program AFI module and enable PCIe
  controller
- tegra_pcie_phy_power_on(): Bring up PCIe PHY
- tegra_pcie_apply_pad_settings(): Program PCIe REFCLK pad settings
- tegra_pcie_enable_ports(): Program each root port and bring up PCIe
  link

Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Thierry Reding <treding@nvidia.com>

...

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Manikanta Maddireddy 2019-06-18 23:31:42 +05:30 • committed by Lorenzo Pieralisi

parent 1056dda8a8

commit 973d7499c5

1 changed files with 30 additions and 40 deletions

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drivers/pci/controller/pci-tegra.c

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