diff options
| author | Bjorn Helgaas <bhelgaas@google.com> | 2025-06-04 10:50:44 -0500 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2025-06-04 10:50:44 -0500 |
| commit | db847adbf99f80088b5e545855c1bc7ea52973d1 (patch) | |
| tree | da95d7e96629ec63205ff03301565ab1dc5ebb0f /drivers/pci/controller/dwc/pcie-designware.h | |
| parent | df52b63940e64456d47cabcbc5a9c1137a3f0b2e (diff) | |
| parent | 5fbfae69e78d242c5efb2a4b62eeea883af145ee (diff) | |
Merge branch 'pci/ptm-debugfs'
- Add debugfs support for exposing DWC device-specific PTM context
(Manivannan Sadhasivam)
* pci/ptm-debugfs:
PCI: qcom-ep: Mask PTM_UPDATING interrupt
PCI: dwc: Add debugfs support for PTM context
PCI: dwc: Pass DWC PCIe mode to dwc_pcie_debugfs_init()
PCI: Add debugfs support for exposing PTM context
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-designware.h')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware.h | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index d1e7b416db93..ce9e18554e42 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -262,6 +262,21 @@ #define PCIE_RAS_DES_EVENT_COUNTER_DATA 0xc +/* PTM register definitions */ +#define PTM_RES_REQ_CTRL 0x8 +#define PTM_RES_CCONTEXT_VALID BIT(0) +#define PTM_REQ_AUTO_UPDATE_ENABLED BIT(0) +#define PTM_REQ_START_UPDATE BIT(1) + +#define PTM_LOCAL_LSB 0x10 +#define PTM_LOCAL_MSB 0x14 +#define PTM_T1_T2_LSB 0x18 +#define PTM_T1_T2_MSB 0x1c +#define PTM_T3_T4_LSB 0x28 +#define PTM_T3_T4_MSB 0x2c +#define PTM_MASTER_LSB 0x38 +#define PTM_MASTER_MSB 0x3c + /* * The default address offset between dbi_base and atu_base. Root controller * drivers are not required to initialize atu_base if the offset matches this @@ -506,6 +521,9 @@ struct dw_pcie { struct gpio_desc *pe_rst; bool suspended; struct debugfs_info *debugfs; + enum dw_pcie_device_mode mode; + u16 ptm_vsec_offset; + struct pci_ptm_debugfs *ptm_debugfs; /* * If iATU input addresses are offset from CPU physical addresses, @@ -533,6 +551,7 @@ void dw_pcie_version_detect(struct dw_pcie *pci); u8 dw_pcie_find_capability(struct dw_pcie *pci, u8 cap); u16 dw_pcie_find_ext_capability(struct dw_pcie *pci, u8 cap); u16 dw_pcie_find_rasdes_capability(struct dw_pcie *pci); +u16 dw_pcie_find_ptm_capability(struct dw_pcie *pci); int dw_pcie_read(void __iomem *addr, int size, u32 *val); int dw_pcie_write(void __iomem *addr, int size, u32 val); @@ -875,10 +894,11 @@ dw_pcie_ep_get_func_from_ep(struct dw_pcie_ep *ep, u8 func_no) #endif #ifdef CONFIG_PCIE_DW_DEBUGFS -void dwc_pcie_debugfs_init(struct dw_pcie *pci); +void dwc_pcie_debugfs_init(struct dw_pcie *pci, enum dw_pcie_device_mode mode); void dwc_pcie_debugfs_deinit(struct dw_pcie *pci); #else -static inline void dwc_pcie_debugfs_init(struct dw_pcie *pci) +static inline void dwc_pcie_debugfs_init(struct dw_pcie *pci, + enum dw_pcie_device_mode mode) { } static inline void dwc_pcie_debugfs_deinit(struct dw_pcie *pci) |