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authorGabriele Paoloni2015-10-30 01:56:51 +0100
committerBjorn Helgaas2015-11-02 21:49:18 +0100
commit883cc17cb193ad73bbc57934aa8d750162a9b79a (patch)
tree665f9d6c97b4505c5cd1dcb84b1fb8d4ac3378a6 /drivers/pci/host/pci-dra7xx.c
parentPCI: designware: Make "num-lanes" an optional DT property (diff)
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PCI: designware: Move calculation of bus addresses to DRA7xx
Commit f4c55c5a3f7f ("PCI: designware: Program ATU with untranslated address") added the calculation of PCI bus addresses in pcie-designware.c, storing them in new fields added in struct pcie_port. This calculation is done for every DesignWare user even though it only applies to DRA7xx. Move the calculation of the bus addresses to the DRA7xx driver to allow the rework of DesignWare to use the new DT parsing API. Signed-off-by: Gabriele Paoloni <gabriele.paoloni@huawei.com> Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Pratyush Anand <pratyush.anand@gmail.com>
Diffstat (limited to 'drivers/pci/host/pci-dra7xx.c')
-rw-r--r--drivers/pci/host/pci-dra7xx.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c
index 199e29a044cd..0b4847a9fbfd 100644
--- a/drivers/pci/host/pci-dra7xx.c
+++ b/drivers/pci/host/pci-dra7xx.c
@@ -62,6 +62,7 @@
#define PCIECTRL_DRA7XX_CONF_PHY_CS 0x010C
#define LINK_UP BIT(16)
+#define DRA7XX_CPU_TO_BUS_ADDR 0x0FFFFFFF
struct dra7xx_pcie {
void __iomem *base;
@@ -151,6 +152,12 @@ static void dra7xx_pcie_enable_interrupts(struct pcie_port *pp)
static void dra7xx_pcie_host_init(struct pcie_port *pp)
{
dw_pcie_setup_rc(pp);
+
+ pp->io_mod_base &= DRA7XX_CPU_TO_BUS_ADDR;
+ pp->mem_mod_base &= DRA7XX_CPU_TO_BUS_ADDR;
+ pp->cfg0_mod_base &= DRA7XX_CPU_TO_BUS_ADDR;
+ pp->cfg1_mod_base &= DRA7XX_CPU_TO_BUS_ADDR;
+
dra7xx_pcie_establish_link(pp);
if (IS_ENABLED(CONFIG_PCI_MSI))
dw_pcie_msi_init(pp);