diff options
Diffstat (limited to 'drivers/pci/controller/cadence/pcie-cadence.h')
| -rw-r--r-- | drivers/pci/controller/cadence/pcie-cadence.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/pci/controller/cadence/pcie-cadence.h b/drivers/pci/controller/cadence/pcie-cadence.h index 1d81c4bf6c6d..9eebf8f02abc 100644 --- a/drivers/pci/controller/cadence/pcie-cadence.h +++ b/drivers/pci/controller/cadence/pcie-cadence.h @@ -367,6 +367,37 @@ static inline u32 cdns_pcie_readl(struct cdns_pcie *pcie, u32 reg) return readl(pcie->reg_base + reg); } +static inline u16 cdns_pcie_readw(struct cdns_pcie *pcie, u32 reg) +{ + return readw(pcie->reg_base + reg); +} + +static inline u8 cdns_pcie_readb(struct cdns_pcie *pcie, u32 reg) +{ + return readb(pcie->reg_base + reg); +} + +static inline int cdns_pcie_read_cfg_byte(struct cdns_pcie *pcie, int where, + u8 *val) +{ + *val = cdns_pcie_readb(pcie, where); + return PCIBIOS_SUCCESSFUL; +} + +static inline int cdns_pcie_read_cfg_word(struct cdns_pcie *pcie, int where, + u16 *val) +{ + *val = cdns_pcie_readw(pcie, where); + return PCIBIOS_SUCCESSFUL; +} + +static inline int cdns_pcie_read_cfg_dword(struct cdns_pcie *pcie, int where, + u32 *val) +{ + *val = cdns_pcie_readl(pcie, where); + return PCIBIOS_SUCCESSFUL; +} + static inline u32 cdns_pcie_read_sz(void __iomem *addr, int size) { void __iomem *aligned_addr = PTR_ALIGN_DOWN(addr, 0x4); @@ -536,6 +567,9 @@ static inline void cdns_pcie_ep_disable(struct cdns_pcie_ep *ep) } #endif +u8 cdns_pcie_find_capability(struct cdns_pcie *pcie, u8 cap); +u16 cdns_pcie_find_ext_capability(struct cdns_pcie *pcie, u8 cap); + void cdns_pcie_detect_quiet_min_delay_set(struct cdns_pcie *pcie); void cdns_pcie_set_outbound_region(struct cdns_pcie *pcie, u8 busnr, u8 fn, |