diff options
Diffstat (limited to 'drivers/pci/pcie_dw_common.h')
| -rw-r--r-- | drivers/pci/pcie_dw_common.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pci/pcie_dw_common.h b/drivers/pci/pcie_dw_common.h index 8cb99a12ea1..5fa50f3dc3a 100644 --- a/drivers/pci/pcie_dw_common.h +++ b/drivers/pci/pcie_dw_common.h @@ -66,8 +66,12 @@ #define LINK_SPEED_GEN_1 0x1 #define LINK_SPEED_GEN_2 0x2 #define LINK_SPEED_GEN_3 0x3 +#define LINK_SPEED_GEN_4 0x4 /* Synopsys-specific PCIe configuration registers */ +#define PCIE_PORT_FORCE 0x708 +#define PORT_FORCE_DO_DESKEW_FOR_SRIS BIT(23) + #define PCIE_PORT_LINK_CONTROL 0x710 #define PORT_LINK_DLL_LINK_EN BIT(5) #define PORT_LINK_FAST_LINK_MODE BIT(7) @@ -78,6 +82,9 @@ #define PORT_LINK_MODE_4_LANES PORT_LINK_MODE(0x7) #define PORT_LINK_MODE_8_LANES PORT_LINK_MODE(0xf) +#define PCIE_PORT_LANE_SKEW 0x714 +#define PORT_LANE_SKEW_INSERT_MASK GENMASK(23, 0) + #define PCIE_LINK_WIDTH_SPEED_CONTROL 0x80C #define PORT_LOGIC_N_FTS_MASK GENMASK(7, 0) #define PORT_LOGIC_SPEED_CHANGE BIT(17) @@ -130,6 +137,8 @@ int pcie_dw_get_link_speed(struct pcie_dw *pci); int pcie_dw_get_link_width(struct pcie_dw *pci); +void dw_pcie_link_set_max_link_width(struct pcie_dw *pci, u32 num_lanes); + int pcie_dw_prog_outbound_atu_unroll(struct pcie_dw *pci, int index, int type, u64 cpu_addr, u64 pci_addr, u32 size); |