Commit c8a375a8 authored by Kishon Vijay Abraham I's avatar Kishon Vijay Abraham I Committed by Lorenzo Pieralisi
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PCI: j721e: Add PCIe support for AM64 

AM64 has the same PCIe IP as in J7200 with certain erratas not
applicable (quirk_detect_quiet_flag). Add support for "ti,am64-pcie-host"
compatible and "ti,am64-pcie-ep" compatible that is specific to AM64.

Link: https://lore.kernel.org/r/20210811123336.31357-5-kishon@ti.com


Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
parent f1de5880

drivers/pci/controller/cadence/pci-j721e.c

+19 −0
Original line number Diff line number Diff line
@@ -310,6 +310,17 @@ static const struct j721e_pcie_data j7200_pcie_ep_data = { 
	.quirk_detect_quiet_flag = true,

};



static const struct j721e_pcie_data am64_pcie_rc_data = {

	.mode = PCI_MODE_RC,

	.linkdown_irq_regfield = J7200_LINK_DOWN,

	.byte_access_allowed = true,

};



static const struct j721e_pcie_data am64_pcie_ep_data = {

	.mode = PCI_MODE_EP,

	.linkdown_irq_regfield = J7200_LINK_DOWN,

};



static const struct of_device_id of_j721e_pcie_match[] = {

	{

		.compatible = "ti,j721e-pcie-host",
@@ -327,6 +338,14 @@ static const struct of_device_id of_j721e_pcie_match[] = { 
		.compatible = "ti,j7200-pcie-ep",

		.data = &j7200_pcie_ep_data,

	},

	{

		.compatible = "ti,am64-pcie-host",

		.data = &am64_pcie_rc_data,

	},

	{

		.compatible = "ti,am64-pcie-ep",

		.data = &am64_pcie_ep_data,

	},

	{},

};