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path: root/drivers/pci/controller/dwc/pcie-designware.h
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Diffstat (limited to 'drivers/pci/controller/dwc/pcie-designware.h')
-rw-r--r--drivers/pci/controller/dwc/pcie-designware.h26
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h
index 377f4c0b52da..b8993f2b78df 100644
--- a/drivers/pci/controller/dwc/pcie-designware.h
+++ b/drivers/pci/controller/dwc/pcie-designware.h
@@ -41,6 +41,9 @@
#define PCIE_PORT_DEBUG0 0x728
#define PORT_LOGIC_LTSSM_STATE_MASK 0x1f
#define PORT_LOGIC_LTSSM_STATE_L0 0x11
+#define PCIE_PORT_DEBUG1 0x72C
+#define PCIE_PORT_DEBUG1_LINK_UP BIT(4)
+#define PCIE_PORT_DEBUG1_LINK_IN_TRAINING BIT(29)
#define PCIE_LINK_WIDTH_SPEED_CONTROL 0x80C
#define PORT_LOGIC_SPEED_CHANGE BIT(17)
@@ -145,14 +148,9 @@ struct dw_pcie_host_ops {
int (*wr_other_conf)(struct pcie_port *pp, struct pci_bus *bus,
unsigned int devfn, int where, int size, u32 val);
int (*host_init)(struct pcie_port *pp);
- void (*msi_set_irq)(struct pcie_port *pp, int irq);
- void (*msi_clear_irq)(struct pcie_port *pp, int irq);
- phys_addr_t (*get_msi_addr)(struct pcie_port *pp);
- u32 (*get_msi_data)(struct pcie_port *pp, int pos);
void (*scan_bus)(struct pcie_port *pp);
void (*set_num_vectors)(struct pcie_port *pp);
int (*msi_host_init)(struct pcie_port *pp);
- void (*msi_irq_ack)(int irq, struct pcie_port *pp);
};
struct pcie_port {
@@ -179,8 +177,11 @@ struct pcie_port {
struct irq_domain *irq_domain;
struct irq_domain *msi_domain;
dma_addr_t msi_data;
+ struct page *msi_page;
+ struct irq_chip *msi_irq_chip;
u32 num_vectors;
u32 irq_mask[MAX_MSI_CTRLS];
+ struct pci_bus *root_bus;
raw_spinlock_t lock;
DECLARE_BITMAP(msi_irq_in_use, MAX_MSI_IRQS);
};
@@ -200,7 +201,7 @@ struct dw_pcie_ep_ops {
struct dw_pcie_ep {
struct pci_epc *epc;
- struct dw_pcie_ep_ops *ops;
+ const struct dw_pcie_ep_ops *ops;
phys_addr_t phys_base;
size_t addr_size;
size_t page_size;
@@ -222,6 +223,10 @@ struct dw_pcie_ops {
size_t size);
void (*write_dbi)(struct dw_pcie *pcie, void __iomem *base, u32 reg,
size_t size, u32 val);
+ u32 (*read_dbi2)(struct dw_pcie *pcie, void __iomem *base, u32 reg,
+ size_t size);
+ void (*write_dbi2)(struct dw_pcie *pcie, void __iomem *base, u32 reg,
+ size_t size, u32 val);
int (*link_up)(struct dw_pcie *pcie);
int (*start_link)(struct dw_pcie *pcie);
void (*stop_link)(struct dw_pcie *pcie);
@@ -238,6 +243,7 @@ struct dw_pcie {
struct pcie_port pp;
struct dw_pcie_ep ep;
const struct dw_pcie_ops *ops;
+ unsigned int version;
};
#define to_dw_pcie_from_pp(port) container_of((port), struct dw_pcie, pp)
@@ -252,6 +258,10 @@ u32 __dw_pcie_read_dbi(struct dw_pcie *pci, void __iomem *base, u32 reg,
size_t size);
void __dw_pcie_write_dbi(struct dw_pcie *pci, void __iomem *base, u32 reg,
size_t size, u32 val);
+u32 __dw_pcie_read_dbi2(struct dw_pcie *pci, void __iomem *base, u32 reg,
+ size_t size);
+void __dw_pcie_write_dbi2(struct dw_pcie *pci, void __iomem *base, u32 reg,
+ size_t size, u32 val);
int dw_pcie_link_up(struct dw_pcie *pci);
int dw_pcie_wait_for_link(struct dw_pcie *pci);
void dw_pcie_prog_outbound_atu(struct dw_pcie *pci, int index,
@@ -295,12 +305,12 @@ static inline u8 dw_pcie_readb_dbi(struct dw_pcie *pci, u32 reg)
static inline void dw_pcie_writel_dbi2(struct dw_pcie *pci, u32 reg, u32 val)
{
- __dw_pcie_write_dbi(pci, pci->dbi_base2, reg, 0x4, val);
+ __dw_pcie_write_dbi2(pci, pci->dbi_base2, reg, 0x4, val);
}
static inline u32 dw_pcie_readl_dbi2(struct dw_pcie *pci, u32 reg)
{
- return __dw_pcie_read_dbi(pci, pci->dbi_base2, reg, 0x4);
+ return __dw_pcie_read_dbi2(pci, pci->dbi_base2, reg, 0x4);
}
static inline void dw_pcie_writel_atu(struct dw_pcie *pci, u32 reg, u32 val)