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path: root/drivers/pci/host/pcie-iproc.h
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Diffstat (limited to 'drivers/pci/host/pcie-iproc.h')
-rw-r--r--drivers/pci/host/pcie-iproc.h42
1 files changed, 40 insertions, 2 deletions
diff --git a/drivers/pci/host/pcie-iproc.h b/drivers/pci/host/pcie-iproc.h
index d3dc940f7..e84d93c53 100644
--- a/drivers/pci/host/pcie-iproc.h
+++ b/drivers/pci/host/pcie-iproc.h
@@ -15,6 +15,20 @@
#define _PCIE_IPROC_H
/**
+ * iProc PCIe interface type
+ *
+ * PAXB is the wrapper used in root complex that can be connected to an
+ * external endpoint device.
+ *
+ * PAXC is the wrapper used in root complex dedicated for internal emulated
+ * endpoint devices.
+ */
+enum iproc_pcie_type {
+ IPROC_PCIE_PAXB = 0,
+ IPROC_PCIE_PAXC,
+};
+
+/**
* iProc PCIe outbound mapping
* @set_oarr_size: indicates the OARR size bit needs to be set
* @axi_offset: offset from the AXI address to the internal address used by
@@ -27,21 +41,30 @@ struct iproc_pcie_ob {
resource_size_t window_size;
};
+struct iproc_msi;
+
/**
* iProc PCIe device
+ *
* @dev: pointer to device data structure
+ * @type: iProc PCIe interface type
+ * @reg_offsets: register offsets
* @base: PCIe host controller I/O register base
+ * @base_addr: PCIe host controller register base physical address
* @sysdata: Per PCI controller data (ARM-specific)
* @root_bus: pointer to root bus
* @phy: optional PHY device that controls the Serdes
- * @irqs: interrupt IDs
* @map_irq: function callback to map interrupts
- * @need_ob_cfg: indidates SW needs to configure the outbound mapping window
+ * @need_ob_cfg: indicates SW needs to configure the outbound mapping window
* @ob: outbound mapping parameters
+ * @msi: MSI data
*/
struct iproc_pcie {
struct device *dev;
+ enum iproc_pcie_type type;
+ const u16 *reg_offsets;
void __iomem *base;
+ phys_addr_t base_addr;
#ifdef CONFIG_ARM
struct pci_sys_data sysdata;
#endif
@@ -50,9 +73,24 @@ struct iproc_pcie {
int (*map_irq)(const struct pci_dev *, u8, u8);
bool need_ob_cfg;
struct iproc_pcie_ob ob;
+ struct iproc_msi *msi;
};
int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res);
int iproc_pcie_remove(struct iproc_pcie *pcie);
+#ifdef CONFIG_PCIE_IPROC_MSI
+int iproc_msi_init(struct iproc_pcie *pcie, struct device_node *node);
+void iproc_msi_exit(struct iproc_pcie *pcie);
+#else
+static inline int iproc_msi_init(struct iproc_pcie *pcie,
+ struct device_node *node)
+{
+ return -ENODEV;
+}
+static inline void iproc_msi_exit(struct iproc_pcie *pcie)
+{
+}
+#endif
+
#endif /* _PCIE_IPROC_H */