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| author | Minda Chen <minda.chen@starfivetech.com> | 2024-03-28 17:18:22 +0800 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2024-05-28 11:15:28 -0500 |
| commit | 39bd5f8225d5fea9d5a14f21bd4dc4e6fc310e4a (patch) | |
| tree | cc8d8621156a725e9b03ac81864e11a75583e744 /drivers/pci/controller/plda/pcie-microchip-host.c | |
| parent | PCI: microchip: Rename PLDA functions to be generic (diff) | |
| download | linux-39bd5f8225d5fea9d5a14f21bd4dc4e6fc310e4a.tar.gz linux-39bd5f8225d5fea9d5a14f21bd4dc4e6fc310e4a.zip | |
PCI: microchip: Move PLDA functions to pcie-plda-host.c
Move plda_pcie_setup_window() and plda_pcie_setup_iomems() to
pcie-plda-host.c so they can be shared by all PLDA-based drivers.
Link: https://lore.kernel.org/linux-pci/20240328091835.14797-10-minda.chen@starfivetech.com
Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
Signed-off-by: Krzysztof WilczyĆski <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Diffstat (limited to 'drivers/pci/controller/plda/pcie-microchip-host.c')
| -rw-r--r-- | drivers/pci/controller/plda/pcie-microchip-host.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/drivers/pci/controller/plda/pcie-microchip-host.c b/drivers/pci/controller/plda/pcie-microchip-host.c index 9b367927cd32..53c4c0f9bb54 100644 --- a/drivers/pci/controller/plda/pcie-microchip-host.c +++ b/drivers/pci/controller/plda/pcie-microchip-host.c @@ -838,66 +838,6 @@ static int mc_pcie_init_irq_domains(struct plda_pcie_rp *port) return mc_allocate_msi_domains(port); } -static void plda_pcie_setup_window(void __iomem *bridge_base_addr, u32 index, - phys_addr_t axi_addr, phys_addr_t pci_addr, - size_t size) -{ - u32 atr_sz = ilog2(size) - 1; - u32 val; - - if (index == 0) - val = PCIE_CONFIG_INTERFACE; - else - val = PCIE_TX_RX_INTERFACE; - - writel(val, bridge_base_addr + (index * ATR_ENTRY_SIZE) + - ATR0_AXI4_SLV0_TRSL_PARAM); - - val = lower_32_bits(axi_addr) | (atr_sz << ATR_SIZE_SHIFT) | - ATR_IMPL_ENABLE; - writel(val, bridge_base_addr + (index * ATR_ENTRY_SIZE) + - ATR0_AXI4_SLV0_SRCADDR_PARAM); - - val = upper_32_bits(axi_addr); - writel(val, bridge_base_addr + (index * ATR_ENTRY_SIZE) + - ATR0_AXI4_SLV0_SRC_ADDR); - - val = lower_32_bits(pci_addr); - writel(val, bridge_base_addr + (index * ATR_ENTRY_SIZE) + - ATR0_AXI4_SLV0_TRSL_ADDR_LSB); - - val = upper_32_bits(pci_addr); - writel(val, bridge_base_addr + (index * ATR_ENTRY_SIZE) + - ATR0_AXI4_SLV0_TRSL_ADDR_UDW); - - val = readl(bridge_base_addr + ATR0_PCIE_WIN0_SRCADDR_PARAM); - val |= (ATR0_PCIE_ATR_SIZE << ATR0_PCIE_ATR_SIZE_SHIFT); - writel(val, bridge_base_addr + ATR0_PCIE_WIN0_SRCADDR_PARAM); - writel(0, bridge_base_addr + ATR0_PCIE_WIN0_SRC_ADDR); -} - -static int plda_pcie_setup_iomems(struct platform_device *pdev, - struct plda_pcie_rp *port) -{ - void __iomem *bridge_base_addr = port->bridge_addr; - struct pci_host_bridge *bridge = platform_get_drvdata(pdev); - struct resource_entry *entry; - u64 pci_addr; - u32 index = 1; - - resource_list_for_each_entry(entry, &bridge->windows) { - if (resource_type(entry->res) == IORESOURCE_MEM) { - pci_addr = entry->res->start - entry->offset; - plda_pcie_setup_window(bridge_base_addr, index, - entry->res->start, pci_addr, - resource_size(entry->res)); - index++; - } - } - - return 0; -} - static inline void mc_clear_secs(struct mc_pcie *port) { void __iomem *ctrl_base_addr = port->axi_base_addr + MC_PCIE_CTRL_ADDR; |
