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authorKishon Vijay Abraham I <kishon@ti.com>2017-03-13 14:43:23 +0100
committerBjorn Helgaas <bhelgaas@google.com>2017-04-04 15:40:12 +0200
commit2ed6cc71e6f726c131fb8675eb64cc0519c26ae8 (patch)
tree3b7df82a2c37f71593bce116e1ad8d03b6b4f8aa /drivers/pci/dwc
parentPCI: dwc: designware: Add new *ops* for CPU addr fixup (diff)
downloadlinux-2ed6cc71e6f726c131fb8675eb64cc0519c26ae8.tar.xz
linux-2ed6cc71e6f726c131fb8675eb64cc0519c26ae8.zip
PCI: dwc: dra7xx: Populate cpu_addr_fixup ops
Populate cpu_addr_fixup ops to extract the least 28 bits of the corresponding CPU address. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Joao Pinto <jpinto@synopsys.com>
Diffstat (limited to 'drivers/pci/dwc')
-rw-r--r--drivers/pci/dwc/pci-dra7xx.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
index 0984baff07e3..07c45ec07662 100644
--- a/drivers/pci/dwc/pci-dra7xx.c
+++ b/drivers/pci/dwc/pci-dra7xx.c
@@ -88,6 +88,11 @@ static inline void dra7xx_pcie_writel(struct dra7xx_pcie *pcie, u32 offset,
writel(value, pcie->base + offset);
}
+static u64 dra7xx_pcie_cpu_addr_fixup(u64 pci_addr)
+{
+ return pci_addr & DRA7XX_CPU_TO_BUS_ADDR;
+}
+
static int dra7xx_pcie_link_up(struct dw_pcie *pci)
{
struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pci);
@@ -152,11 +157,6 @@ static void dra7xx_pcie_host_init(struct pcie_port *pp)
struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pci);
- pp->io_base &= DRA7XX_CPU_TO_BUS_ADDR;
- pp->mem_base &= DRA7XX_CPU_TO_BUS_ADDR;
- pp->cfg0_base &= DRA7XX_CPU_TO_BUS_ADDR;
- pp->cfg1_base &= DRA7XX_CPU_TO_BUS_ADDR;
-
dw_pcie_setup_rc(pp);
dra7xx_pcie_establish_link(dra7xx);
@@ -329,6 +329,7 @@ static int __init dra7xx_add_pcie_port(struct dra7xx_pcie *dra7xx,
}
static const struct dw_pcie_ops dw_pcie_ops = {
+ .cpu_addr_fixup = dra7xx_pcie_cpu_addr_fixup,
.link_up = dra7xx_pcie_link_up,
};