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path: root/arch/mips/pci/pci-ip27.c
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Diffstat (limited to 'arch/mips/pci/pci-ip27.c')
-rw-r--r--arch/mips/pci/pci-ip27.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/arch/mips/pci/pci-ip27.c b/arch/mips/pci/pci-ip27.c
index 0f09eafa5e3a..c94a66070a60 100644
--- a/arch/mips/pci/pci-ip27.c
+++ b/arch/mips/pci/pci-ip27.c
@@ -11,6 +11,7 @@
#include <linux/export.h>
#include <linux/pci.h>
#include <linux/smp.h>
+#include <linux/dma-direct.h>
#include <asm/sn/arch.h>
#include <asm/pci/bridge.h>
#include <asm/paccess.h>
@@ -182,6 +183,19 @@ int pcibios_plat_dev_init(struct pci_dev *dev)
return 0;
}
+dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct bridge_controller *bc = BRIDGE_CONTROLLER(pdev->bus);
+
+ return bc->baddr + paddr;
+}
+
+phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t dma_addr)
+{
+ return dma_addr & ~(0xffUL << 56);
+}
+
/*
* Device might live on a subordinate PCI bus. XXX Walk up the chain of buses
* to find the slot number in sense of the bridge device register.
@@ -200,17 +214,6 @@ static inline void pci_disable_swapping(struct pci_dev *dev)
bridge->b_widget.w_tflush; /* Flush */
}
-static inline void pci_enable_swapping(struct pci_dev *dev)
-{
- struct bridge_controller *bc = BRIDGE_CONTROLLER(dev->bus);
- bridge_t *bridge = bc->base;
- int slot = PCI_SLOT(dev->devfn);
-
- /* Turn on byte swapping */
- bridge->b_device[slot].reg |= BRIDGE_DEV_SWAP_DIR;
- bridge->b_widget.w_tflush; /* Flush */
-}
-
static void pci_fixup_ioc3(struct pci_dev *d)
{
pci_disable_swapping(d);