[PATCH 2/6] PCI: cadence: Add header support for PCIe next generation controllers
From: Manikandan Karunakaran Pillai
Date: Mon Mar 24 2025 - 05:09:32 EST
Add the required definitions for register addresses and register bits
for the next generation Cadence PCIe controllers - High
performance architecture(HPA) controllers
Signed-off-by: Manikandan K Pillai <mpillai@xxxxxxxxxxx>
---
.../controller/cadence/pcie-cadence-host.c | 12 +-
drivers/pci/controller/cadence/pcie-cadence.h | 290 +++++++++++++++++-
2 files changed, 295 insertions(+), 7 deletions(-)
diff --git a/drivers/pci/controller/cadence/pcie-cadence-host.c b/drivers/pci/controller/cadence/pcie-cadence-host.c
index 8af95e9da7ce..1e2df49e40c6 100644
--- a/drivers/pci/controller/cadence/pcie-cadence-host.c
+++ b/drivers/pci/controller/cadence/pcie-cadence-host.c
@@ -175,7 +175,7 @@ static int cdns_pcie_host_start_link(struct cdns_pcie_rc *rc)
return ret;
}
-static int cdns_pcie_host_init_root_port(struct cdns_pcie_rc *rc)
+int cdns_pcie_host_init_root_port(struct cdns_pcie_rc *rc)
{
struct cdns_pcie *pcie = &rc->pcie;
u32 value, ctrl;
@@ -215,10 +215,10 @@ static int cdns_pcie_host_init_root_port(struct cdns_pcie_rc *rc)
return 0;
}
-static int cdns_pcie_host_bar_ib_config(struct cdns_pcie_rc *rc,
- enum cdns_pcie_rp_bar bar,
- u64 cpu_addr, u64 size,
- unsigned long flags)
+int cdns_pcie_host_bar_ib_config(struct cdns_pcie_rc *rc,
+ enum cdns_pcie_rp_bar bar,
+ u64 cpu_addr, u64 size,
+ unsigned long flags)
{
struct cdns_pcie *pcie = &rc->pcie;
u32 addr0, addr1, aperture, value;
@@ -428,7 +428,7 @@ static int cdns_pcie_host_map_dma_ranges(struct cdns_pcie_rc *rc)
return 0;
}
-static int cdns_pcie_host_init_address_translation(struct cdns_pcie_rc *rc)
+int cdns_pcie_host_init_address_translation(struct cdns_pcie_rc *rc)
{
struct cdns_pcie *pcie = &rc->pcie;
struct pci_host_bridge *bridge = pci_host_bridge_from_priv(rc);
diff --git a/drivers/pci/controller/cadence/pcie-cadence.h b/drivers/pci/controller/cadence/pcie-cadence.h
index f5eeff834ec1..2a806e5a3685 100644
--- a/drivers/pci/controller/cadence/pcie-cadence.h
+++ b/drivers/pci/controller/cadence/pcie-cadence.h
@@ -218,6 +218,218 @@
(((delay) << CDNS_PCIE_DETECT_QUIET_MIN_DELAY_SHIFT) & \
CDNS_PCIE_DETECT_QUIET_MIN_DELAY_MASK)
+/*
+ * High Performance Architecture(HPA) PCIe controller register
+ */
+#define CDNS_PCIE_HPA_IP_REG_BANK 0x01000000
+#define CDNS_PCIE_HPA_IP_CFG_CTRL_REG_BANK 0x01003C00
+#define CDNS_PCIE_HPA_IP_AXI_MASTER_COMMON 0x01020000
+/*
+ * Address Translation Registers(HPA)
+ */
+#define CDNS_PCIE_HPA_AXI_SLAVE 0x03000000
+#define CDNS_PCIE_HPA_AXI_MASTER 0x03002000
+/*
+ * Root port register base address
+ */
+#define CDNS_PCIE_HPA_RP_BASE 0x0
+
+#define CDNS_PCIE_HPA_LM_ID (CDNS_PCIE_HPA_IP_REG_BANK + 0x1420)
+
+/*
+ * Endpoint Function BARs(HPA) Configuration Registers
+ */
+#define CDNS_PCIE_HPA_LM_EP_FUNC_BAR_CFG(bar, fn) \
+ (((bar) < BAR_3) ? CDNS_PCIE_HPA_LM_EP_FUNC_BAR_CFG0(fn) : \
+ CDNS_PCIE_HPA_LM_EP_FUNC_BAR_CFG1(fn))
+#define CDNS_PCIE_HPA_LM_EP_FUNC_BAR_CFG0(pfn) \
+ (CDNS_PCIE_HPA_IP_CFG_CTRL_REG_BANK + (0x4000 * (pfn)))
+#define CDNS_PCIE_HPA_LM_EP_FUNC_BAR_CFG1(pfn) \
+ (CDNS_PCIE_HPA_IP_CFG_CTRL_REG_BANK + (0x4000 * (pfn)) + 0x04)
+#define CDNS_PCIE_HPA_LM_EP_VFUNC_BAR_CFG(bar, fn) \
+ (((bar) < BAR_3) ? CDNS_PCIE_HPA_LM_EP_VFUNC_BAR_CFG0(fn) : \
+ CDNS_PCIE_HPA_LM_EP_VFUNC_BAR_CFG1(fn))
+#define CDNS_PCIE_HPA_LM_EP_VFUNC_BAR_CFG0(vfn) \
+ (CDNS_PCIE_HPA_IP_CFG_CTRL_REG_BANK + (0x4000 * (vfn)) + 0x08)
+#define CDNS_PCIE_HPA_LM_EP_VFUNC_BAR_CFG1(vfn) \
+ (CDNS_PCIE_HPA_IP_CFG_CTRL_REG_BANK + (0x4000 * (vfn)) + 0x0C)
+#define CDNS_PCIE_HPA_LM_EP_FUNC_BAR_CFG_BAR_APERTURE_MASK(f) \
+ (GENMASK(9, 4) << ((f) * 10))
+#define CDNS_PCIE_HPA_LM_EP_FUNC_BAR_CFG_BAR_APERTURE(b, a) \
+ (((a) << (4 + ((b) * 10))) & (CDNS_PCIE_HPA_LM_EP_FUNC_BAR_CFG_BAR_APERTURE_MASK(b)))
+#define CDNS_PCIE_HPA_LM_EP_FUNC_BAR_CFG_BAR_CTRL_MASK(f) \
+ (GENMASK(3, 0) << ((f) * 10))
+#define CDNS_PCIE_HPA_LM_EP_FUNC_BAR_CFG_BAR_CTRL(b, c) \
+ (((c) << ((b) * 10)) & (CDNS_PCIE_HPA_LM_EP_FUNC_BAR_CFG_BAR_CTRL_MASK(b)))
+
+/*
+ * Endpoint Function Configuration Register
+ */
+#define CDNS_PCIE_HPA_LM_EP_FUNC_CFG (CDNS_PCIE_HPA_IP_REG_BANK + 0x02c0)
+
+/*
+ * Root Complex BAR Configuration Register
+ */
+#define CDNS_PCIE_HPA_LM_RC_BAR_CFG (CDNS_PCIE_HPA_IP_CFG_CTRL_REG_BANK + 0x14)
+#define CDNS_PCIE_HPA_LM_RC_BAR_CFG_BAR0_APERTURE_MASK GENMASK(9, 4)
+#define CDNS_PCIE_HPA_LM_RC_BAR_CFG_BAR0_APERTURE(a) \
+ FIELD_PREP(CDNS_PCIE_HPA_LM_RC_BAR_CFG_BAR0_APERTURE_MASK, a)
+#define CDNS_PCIE_HPA_LM_RC_BAR_CFG_BAR0_CTRL_MASK GENMASK(3, 0)
+#define CDNS_PCIE_HPA_LM_RC_BAR_CFG_BAR0_CTRL(c) \
+ FIELD_PREP(CDNS_PCIE_HPA_LM_RC_BAR_CFG_BAR0_CTRL_MASK, c)
+#define CDNS_PCIE_HPA_LM_RC_BAR_CFG_BAR1_APERTURE_MASK GENMASK(19, 14)
+#define CDNS_PCIE_HPA_LM_RC_BAR_CFG_BAR1_APERTURE(a) \
+ FIELD_PREP(CDNS_PCIE_HPA_LM_RC_BAR_CFG_BAR1_APERTURE_MASK, a)
+#define CDNS_PCIE_HPA_LM_RC_BAR_CFG_BAR1_CTRL_MASK GENMASK(13, 10)
+#define CDNS_PCIE_HPA_LM_RC_BAR_CFG_BAR1_CTRL(c) \
+ FIELD_PREP(CDNS_PCIE_HPA_LM_RC_BAR_CFG_BAR1_CTRL_MASK, c)
+
+#define CDNS_PCIE_HPA_LM_RC_BAR_CFG_PREFETCH_MEM_ENABLE BIT(20)
+#define CDNS_PCIE_HPA_LM_RC_BAR_CFG_PREFETCH_MEM_64BITS BIT(21)
+#define CDNS_PCIE_HPA_LM_RC_BAR_CFG_IO_ENABLE BIT(22)
+#define CDNS_PCIE_HPA_LM_RC_BAR_CFG_IO_32BITS BIT(23)
+
+/* BAR control values applicable to both Endpoint Function and Root Complex */
+#define CDNS_PCIE_HPA_LM_BAR_CFG_CTRL_DISABLED 0x0
+#define CDNS_PCIE_HPA_LM_BAR_CFG_CTRL_IO_32BITS 0x3
+#define CDNS_PCIE_HPA_LM_BAR_CFG_CTRL_MEM_32BITS 0x1
+#define CDNS_PCIE_HPA_LM_BAR_CFG_CTRL_PREFETCH_MEM_32BITS 0x9
+#define CDNS_PCIE_HPA_LM_BAR_CFG_CTRL_MEM_64BITS 0x5
+#define CDNS_PCIE_HPA_LM_BAR_CFG_CTRL_PREFETCH_MEM_64BITS 0xD
+
+#define HPA_LM_RC_BAR_CFG_CTRL_DISABLED(bar) \
+ (CDNS_PCIE_HPA_LM_BAR_CFG_CTRL_DISABLED << ((bar) * 10))
+#define HPA_LM_RC_BAR_CFG_CTRL_IO_32BITS(bar) \
+ (CDNS_PCIE_HPA_LM_BAR_CFG_CTRL_IO_32BITS << ((bar) * 10))
+#define HPA_LM_RC_BAR_CFG_CTRL_MEM_32BITS(bar) \
+ (CDNS_PCIE_HPA_LM_BAR_CFG_CTRL_MEM_32BITS << ((bar) * 10))
+#define HPA_LM_RC_BAR_CFG_CTRL_PREF_MEM_32BITS(bar) \
+ (CDNS_PCIE_HPA_LM_BAR_CFG_CTRL_PREFETCH_MEM_32BITS << ((bar) * 10))
+#define HPA_LM_RC_BAR_CFG_CTRL_MEM_64BITS(bar) \
+ (CDNS_PCIE_HPA_LM_BAR_CFG_CTRL_MEM_64BITS << ((bar) * 10))
+#define HPA_LM_RC_BAR_CFG_CTRL_PREF_MEM_64BITS(bar) \
+ (CDNS_PCIE_HPA_LM_BAR_CFG_CTRL_PREFETCH_MEM_64BITS << ((bar) * 10))
+#define HPA_LM_RC_BAR_CFG_APERTURE(bar, aperture) \
+ (((aperture) - 7) << ((bar) * 10))
+
+#define CDNS_PCIE_HPA_LM_PTM_CTRL (CDNS_PCIE_HPA_IP_REG_BANK + 0x0520)
+#define CDNS_PCIE_HPA_LM_TPM_CTRL_PTMRSEN BIT(17)
+
+/*
+ * Root Port Registers PCI config space(HPA) for root port function
+ */
+#define CDNS_PCIE_HPA_RP_CAP_OFFSET 0xC0
+
+/*
+ * Region r Outbound AXI to PCIe Address Translation Register 0
+ */
+#define CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0(r) \
+ (CDNS_PCIE_HPA_AXI_SLAVE + 0x1010 + ((r) & 0x1F) * 0x0080)
+#define CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_NBITS_MASK GENMASK(5, 0)
+#define CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_NBITS(nbits) \
+ FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_NBITS_MASK, ((nbits) - 1))
+#define CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_DEVFN_MASK GENMASK(23, 16)
+#define CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_DEVFN(devfn) \
+ FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_DEVFN_MASK, devfn)
+#define CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_BUS_MASK GENMASK(31, 24)
+#define CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_BUS(bus) \
+ FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR0_BUS_MASK, bus)
+
+/*
+ * Region r Outbound AXI to PCIe Address Translation Register 1
+ */
+#define CDNS_PCIE_HPA_AT_OB_REGION_PCI_ADDR1(r) \
+ (CDNS_PCIE_HPA_AXI_SLAVE + 0x1014 + ((r) & 0x1F) * 0x0080)
+
+/*
+ * Region r Outbound PCIe Descriptor Register 0
+ */
+#define CDNS_PCIE_HPA_AT_OB_REGION_DESC0(r) \
+ (CDNS_PCIE_HPA_AXI_SLAVE + 0x1008 + ((r) & 0x1F) * 0x0080)
+#define CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK GENMASK(28, 24)
+#define CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MEM \
+ FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK, 0x0)
+#define CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_IO \
+ FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK, 0x2)
+#define CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_CONF_TYPE0 \
+ FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK, 0x4)
+#define CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_CONF_TYPE1 \
+ FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK, 0x5)
+#define CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_NORMAL_MSG \
+ FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC0_TYPE_MASK, 0x10)
+
+/*
+ * Region r Outbound PCIe Descriptor Register 1
+ */
+#define CDNS_PCIE_HPA_AT_OB_REGION_DESC1(r) \
+ (CDNS_PCIE_HPA_AXI_SLAVE + 0x100C + ((r) & 0x1F) * 0x0080)
+#define CDNS_PCIE_HPA_AT_OB_REGION_DESC1_BUS_MASK GENMASK(31, 24)
+#define CDNS_PCIE_HPA_AT_OB_REGION_DESC1_BUS(bus) \
+ FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC1_BUS_MASK, bus)
+#define CDNS_PCIE_HPA_AT_OB_REGION_DESC1_DEVFN_MASK GENMASK(23, 16)
+#define CDNS_PCIE_HPA_AT_OB_REGION_DESC1_DEVFN(devfn) \
+ FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_DESC1_DEVFN_MASK, devfn)
+
+#define CDNS_PCIE_HPA_AT_OB_REGION_CTRL0(r) \
+ (CDNS_PCIE_HPA_AXI_SLAVE + 0x1018 + ((r) & 0x1F) * 0x0080)
+#define CDNS_PCIE_HPA_AT_OB_REGION_CTRL0_SUPPLY_BUS BIT(26)
+#define CDNS_PCIE_HPA_AT_OB_REGION_CTRL0_SUPPLY_DEV_FN BIT(25)
+
+/*
+ * Region r AXI Region Base Address Register 0
+ */
+#define CDNS_PCIE_HPA_AT_OB_REGION_CPU_ADDR0(r) \
+ (CDNS_PCIE_HPA_AXI_SLAVE + 0x1000 + ((r) & 0x1F) * 0x0080)
+#define CDNS_PCIE_HPA_AT_OB_REGION_CPU_ADDR0_NBITS_MASK GENMASK(5, 0)
+#define CDNS_PCIE_HPA_AT_OB_REGION_CPU_ADDR0_NBITS(nbits) \
+ FIELD_PREP(CDNS_PCIE_HPA_AT_OB_REGION_CPU_ADDR0_NBITS_MASK, ((nbits) - 1))
+
+/*
+ * Region r AXI Region Base Address Register 1
+ */
+#define CDNS_PCIE_HPA_AT_OB_REGION_CPU_ADDR1(r) \
+ (CDNS_PCIE_HPA_AXI_SLAVE + 0x1004 + ((r) & 0x1F) * 0x0080)
+
+/*
+ * Root Port BAR Inbound PCIe to AXI Address Translation Register
+ */
+#define CDNS_PCIE_HPA_AT_IB_RP_BAR_ADDR0(bar) \
+ (CDNS_PCIE_HPA_AXI_MASTER + ((bar) * 0x0008))
+#define CDNS_PCIE_HPA_AT_IB_RP_BAR_ADDR0_NBITS_MASK GENMASK(5, 0)
+#define CDNS_PCIE_HPA_AT_IB_RP_BAR_ADDR0_NBITS(nbits) \
+ FIELD_PREP(CDNS_PCIE_HPA_AT_IB_RP_BAR_ADDR0_NBITS_MASK, ((nbits) - 1))
+#define CDNS_PCIE_HPA_AT_IB_RP_BAR_ADDR1(bar) \
+ (CDNS_PCIE_HPA_AXI_MASTER + 0x04 + ((bar) * 0x0008))
+
+/*
+ * AXI link down register
+ */
+#define CDNS_PCIE_HPA_AT_LINKDOWN (CDNS_PCIE_HPA_AXI_SLAVE + 0x04)
+
+/*
+ * Physical Layer Configuration Register 0
+ * This register contains the parameters required for functional setup
+ * of Physical Layer.
+ */
+#define CDNS_PCIE_HPA_PHY_LAYER_CFG0 (CDNS_PCIE_HPA_IP_REG_BANK + 0x0400)
+#define CDNS_PCIE_HPA_DETECT_QUIET_MIN_DELAY_MASK GENMASK(26, 24)
+#define CDNS_PCIE_HPA_DETECT_QUIET_MIN_DELAY(delay) \
+ FIELD_PREP(CDNS_PCIE_HPA_DETECT_QUIET_MIN_DELAY_MASK, delay)
+#define CDNS_PCIE_HPA_LINK_TRNG_EN_MASK GENMASK(27, 27)
+
+#define CDNS_PCIE_HPA_PHY_DBG_STS_REG0 (CDNS_PCIE_HPA_IP_REG_BANK + 0x0420)
+
+#define CDNS_PCIE_HPA_RP_MAX_IB 0x3
+#define CDNS_PCIE_HPA_MAX_OB 15
+
+/*
+ * Endpoint Function BAR Inbound PCIe to AXI Address Translation Register(HPA)
+ */
+#define CDNS_PCIE_HPA_AT_IB_EP_FUNC_BAR_ADDR0(fn, bar) \
+ (CDNS_PCIE_HPA_IP_AXI_MASTER_COMMON + ((fn) * 0x0040) + ((bar) * 0x0008))
+#define CDNS_PCIE_HPA_AT_IB_EP_FUNC_BAR_ADDR1(fn, bar) \
+ (CDNS_PCIE_HPA_IP_AXI_MASTER_COMMON + 0x4 + ((fn) * 0x0040) + ((bar) * 0x0008))
+
enum cdns_pcie_rp_bar {
RP_BAR_UNDEFINED = -1,
RP_BAR0,
@@ -249,6 +461,7 @@ struct cdns_pcie_rp_ib_bar {
#define CDNS_PCIE_MSG_NO_DATA BIT(16)
struct cdns_pcie;
+struct cdns_pcie_rc;
enum cdns_pcie_msg_code {
MSG_CODE_ASSERT_INTA = 0x20,
@@ -286,6 +499,20 @@ struct cdns_pcie_ops {
void (*stop_link)(struct cdns_pcie *pcie);
bool (*link_up)(struct cdns_pcie *pcie);
u64 (*cpu_addr_fixup)(struct cdns_pcie *pcie, u64 cpu_addr);
+ int (*pcie_host_init_root_port)(struct cdns_pcie_rc *rc);
+ int (*pcie_host_bar_ib_config)(struct cdns_pcie_rc *rc,
+ enum cdns_pcie_rp_bar bar,
+ u64 cpu_addr, u64 size,
+ unsigned long flags);
+ int (*pcie_host_init_address_translation)(struct cdns_pcie_rc *rc);
+ void (*pcie_detect_quiet_min_delay_set)(struct cdns_pcie *pcie);
+ void (*pcie_set_outbound_region)(struct cdns_pcie *pcie, u8 busnr, u8 fn,
+ u32 r, bool is_io, u64 cpu_addr,
+ u64 pci_addr, size_t size);
+ void (*pcie_set_outbound_region_for_normal_msg)(struct cdns_pcie *pcie,
+ u8 busnr, u8 fn, u32 r,
+ u64 cpu_addr);
+ void (*pcie_reset_outbound_region)(struct cdns_pcie *pcie, u32 r);
};
/**
@@ -305,6 +532,7 @@ struct cdns_pcie {
struct resource *mem_res;
struct device *dev;
bool is_rc;
+ bool is_hpa;
int phy_count;
struct phy **phy;
struct device_link **link;
@@ -444,6 +672,8 @@ static inline void cdns_pcie_rp_writeb(struct cdns_pcie *pcie,
{
void __iomem *addr = pcie->reg_base + CDNS_PCIE_RP_BASE + reg;
+ if (pcie->is_hpa)
+ addr = pcie->reg_base + CDNS_PCIE_HPA_RP_BASE + reg;
cdns_pcie_write_sz(addr, 0x1, value);
}
@@ -452,6 +682,8 @@ static inline void cdns_pcie_rp_writew(struct cdns_pcie *pcie,
{
void __iomem *addr = pcie->reg_base + CDNS_PCIE_RP_BASE + reg;
+ if (pcie->is_hpa)
+ addr = pcie->reg_base + CDNS_PCIE_HPA_RP_BASE + reg;
cdns_pcie_write_sz(addr, 0x2, value);
}
@@ -459,6 +691,8 @@ static inline u16 cdns_pcie_rp_readw(struct cdns_pcie *pcie, u32 reg)
{
void __iomem *addr = pcie->reg_base + CDNS_PCIE_RP_BASE + reg;
+ if (pcie->is_hpa)
+ addr = pcie->reg_base + CDNS_PCIE_HPA_RP_BASE + reg;
return cdns_pcie_read_sz(addr, 0x2);
}
@@ -525,6 +759,22 @@ int cdns_pcie_host_init(struct cdns_pcie_rc *rc);
int cdns_pcie_host_setup(struct cdns_pcie_rc *rc);
void __iomem *cdns_pci_map_bus(struct pci_bus *bus, unsigned int devfn,
int where);
+int cdns_pcie_host_init_root_port(struct cdns_pcie_rc *rc);
+int cdns_pcie_host_bar_ib_config(struct cdns_pcie_rc *rc,
+ enum cdns_pcie_rp_bar bar,
+ u64 cpu_addr, u64 size,
+ unsigned long flags);
+int cdns_pcie_host_init_address_translation(struct cdns_pcie_rc *rc);
+int cdns_pcie_host_init(struct cdns_pcie_rc *rc);
+void __iomem *cdns_pci_hpa_map_bus(struct pci_bus *bus, unsigned int devfn, int where);
+int cdns_pcie_hpa_host_init_root_port(struct cdns_pcie_rc *rc);
+int cdns_pcie_hpa_host_bar_ib_config(struct cdns_pcie_rc *rc,
+ enum cdns_pcie_rp_bar bar,
+ u64 cpu_addr, u64 size,
+ unsigned long flags);
+int cdns_pcie_hpa_host_init_address_translation(struct cdns_pcie_rc *rc);
+int cdns_pcie_hpa_host_init(struct cdns_pcie_rc *rc);
+
#else
static inline int cdns_pcie_host_link_setup(struct cdns_pcie_rc *rc)
{
@@ -546,6 +796,34 @@ static inline void __iomem *cdns_pci_map_bus(struct pci_bus *bus, unsigned int d
{
return NULL;
}
+
+void __iomem *cdns_pci_hpa_map_bus(struct pci_bus *bus, unsigned int devfn, int where)
+{
+ return NULL;
+}
+
+int cdns_pcie_hpa_host_init_root_port(struct cdns_pcie_rc *rc)
+{
+ return 0;
+}
+
+int cdns_pcie_hpa_host_bar_ib_config(struct cdns_pcie_rc *rc,
+ enum cdns_pcie_rp_bar bar,
+ u64 cpu_addr, u64 size,
+ unsigned long flags)
+{
+ return 0;
+}
+
+int cdns_pcie_hpa_host_init_address_translation(struct cdns_pcie_rc *rc)
+{
+ return 0;
+}
+
+int cdns_pcie_hpa_host_init(struct cdns_pcie_rc *rc)
+{
+ return 0;
+}
#endif
#ifdef CONFIG_PCIE_CADENCE_EP
@@ -556,7 +834,10 @@ static inline int cdns_pcie_ep_setup(struct cdns_pcie_ep *ep)
return 0;
}
#endif
-
+bool cdns_pcie_linkup(struct cdns_pcie *pcie);
+bool cdns_pcie_hpa_linkup(struct cdns_pcie *pcie);
+int cdns_pcie_hpa_startlink(struct cdns_pcie *pcie);
+void cdns_pcie_hpa_stop_link(struct cdns_pcie *pcie);
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,
@@ -571,6 +852,13 @@ void cdns_pcie_reset_outbound_region(struct cdns_pcie *pcie, u32 r);
void cdns_pcie_disable_phy(struct cdns_pcie *pcie);
int cdns_pcie_enable_phy(struct cdns_pcie *pcie);
int cdns_pcie_init_phy(struct device *dev, struct cdns_pcie *pcie);
+void cdns_pcie_hpa_detect_quiet_min_delay_set(struct cdns_pcie *pcie);
+void cdns_pcie_hpa_set_outbound_region(struct cdns_pcie *pcie, u8 busnr, u8 fn,
+ u32 r, bool is_io, u64 cpu_addr, u64 pci_addr, size_t size);
+void cdns_pcie_hpa_set_outbound_region_for_normal_msg(struct cdns_pcie *pcie,
+ u8 busnr, u8 fn, u32 r, u64 cpu_addr);
+void cdns_pcie_hpa_reset_outbound_region(struct cdns_pcie *pcie, u32 r);
+
extern const struct dev_pm_ops cdns_pcie_pm_ops;
#endif /* _PCIE_CADENCE_H */
--
2.27.0