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authorKishon Vijay Abraham I <kishon@ti.com>2021-08-11 18:03:35 +0530
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2021-08-19 15:37:51 +0100
commitc8a375a8e15ac31293d7fda08008d6da8f5df3db (patch)
tree5ebe4ffcea9d56af8f8bf221026cfc043b52ca7a /drivers/pci/controller/cadence
parentPCI: j721e: Add PCIe support for J7200 (diff)
downloadlinux-dev-c8a375a8e15ac31293d7fda08008d6da8f5df3db.tar.xz
linux-dev-c8a375a8e15ac31293d7fda08008d6da8f5df3db.zip
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: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Diffstat (limited to 'drivers/pci/controller/cadence')
-rw-r--r--drivers/pci/controller/cadence/pci-j721e.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c
index 10b13b728284..ffb176d288cd 100644
--- a/drivers/pci/controller/cadence/pci-j721e.c
+++ b/drivers/pci/controller/cadence/pci-j721e.c
@@ -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,
+ },
{},
};