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Commit 56e15a23 authored by Vidya Sagar's avatar Vidya Sagar Committed by Lorenzo Pieralisi
Browse files

PCI: tegra: Add Tegra194 PCIe support 



Add support for Synopsys DesignWare core IP based PCIe host controller
present in the Tegra194 SoC.

Signed-off-by: default avatarVidya Sagar <vidyas@nvidia.com>
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: default avatarThierry Reding <treding@nvidia.com>
parent 5dae15b2

drivers/pci/controller/dwc/Kconfig

+10 −0
Original line number Diff line number Diff line
@@ -220,6 +220,16 @@ config PCI_MESON 
	  and therefore the driver re-uses the DesignWare core functions to

	  implement the driver.



config PCIE_TEGRA194

	tristate "NVIDIA Tegra194 (and later) PCIe controller"

	depends on ARCH_TEGRA_194_SOC || COMPILE_TEST

	depends on PCI_MSI_IRQ_DOMAIN

	select PCIE_DW_HOST

	select PHY_TEGRA194_P2U

	help

	  Say Y here if you want support for DesignWare core based PCIe host

	  controller found in NVIDIA Tegra194 SoC.



config PCIE_UNIPHIER

	bool "Socionext UniPhier PCIe controllers"

	depends on ARCH_UNIPHIER || COMPILE_TEST

drivers/pci/controller/dwc/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ obj-$(CONFIG_PCIE_ARTPEC6) += pcie-artpec6.o 
obj-$(CONFIG_PCIE_KIRIN) += pcie-kirin.o

obj-$(CONFIG_PCIE_HISI_STB) += pcie-histb.o

obj-$(CONFIG_PCI_MESON) += pci-meson.o

obj-$(CONFIG_PCIE_TEGRA194) += pcie-tegra194.o

obj-$(CONFIG_PCIE_UNIPHIER) += pcie-uniphier.o



# The following drivers are for devices that use the generic ACPI

drivers/pci/controller/dwc/pcie-designware.c

+1 −1
Original line number Diff line number Diff line
@@ -456,7 +456,7 @@ int dw_pcie_wait_for_link(struct dw_pcie *pci) 
		usleep_range(LINK_WAIT_USLEEP_MIN, LINK_WAIT_USLEEP_MAX);

	}



	dev_err(pci->dev, "Phy link never came up\n");

	dev_info(pci->dev, "Phy link never came up\n");



	return -ETIMEDOUT;

}

drivers/pci/controller/dwc/pcie-tegra194.c

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+1641 −0

File added.

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