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PCI: j721e: Add PCIe support for AM64

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[ Upstream commit c8a375a8e1 ]

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: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Kishon Vijay Abraham I 2021-08-11 18:03:35 +05:30 committed by Greg Kroah-Hartman
parent 81381b72f4
commit 365cdfcc6e
1 changed files with 19 additions and 0 deletions
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19
drivers/pci/controller/cadence/pci-j721e.c
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@ -298,6 +298,17 @@ static const struct j721e_pcie_data j7200_pcie_ep_data = {
.quirk_detect_quiet_flag = true, .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[] = { static const struct of_device_id of_j721e_pcie_match[] = {
{ {
.compatible = "ti,j721e-pcie-host", .compatible = "ti,j721e-pcie-host",
@ -315,6 +326,14 @@ static const struct of_device_id of_j721e_pcie_match[] = {
.compatible = "ti,j7200-pcie-ep", .compatible = "ti,j7200-pcie-ep",
.data = &j7200_pcie_ep_data, .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,
},
{}, {},
}; };