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[3/5] PCI: j721e: Add PCIe support for AM64

Message ID 20210706105035.9915-4-kishon@ti.com
State New
Headers show
Series PCI: Add support for J7200 and AM64 | expand

Commit Message

Kishon Vijay Abraham I July 6, 2021, 10:50 a.m. UTC 
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.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---
 drivers/pci/controller/cadence/pci-j721e.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
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Patch

diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c
index 803da33b86d8..3156b28ae8ab 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,
+	.link_irq_reg_field = J7200_LINK_DOWN,
+	.byte_access_allowed = true,
+};
+
+static const struct j721e_pcie_data am64_pcie_ep_data = {
+	.mode = PCI_MODE_EP,
+	.link_irq_reg_field = 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,
+	},
 	{},
 };