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-rw-r--r--arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h8
-rw-r--r--arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h24
2 files changed, 22 insertions, 10 deletions
diff --git a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
index b952fc7215e2..0d5a42b5f47a 100644
--- a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
@@ -59,7 +59,7 @@
#define cpu_has_veic 0
#define cpu_hwrena_impl_bits 0xc0000000
-#define kernel_uses_smartmips_rixi (cpu_data[0].cputype == CPU_CAVIUM_OCTEON_PLUS)
+#define kernel_uses_smartmips_rixi (cpu_data[0].cputype != CPU_CAVIUM_OCTEON)
#define ARCH_HAS_IRQ_PER_CPU 1
#define ARCH_HAS_SPINLOCK_PREFETCH 1
@@ -81,4 +81,10 @@ static inline int octeon_has_saa(void)
return id >= 0x000d0300;
}
+/*
+ * The last 256MB are reserved for device to device mappings and the
+ * BAR1 hole.
+ */
+#define MAX_DMA32_PFN (((1ULL << 32) - (1ULL << 28)) >> PAGE_SHIFT)
+
#endif
diff --git a/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h b/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
index 17d579471ec4..be8fb4240cec 100644
--- a/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
+++ b/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
@@ -15,41 +15,40 @@
struct device;
-dma_addr_t octeon_map_dma_mem(struct device *, void *, size_t);
-void octeon_unmap_dma_mem(struct device *, dma_addr_t);
+extern void octeon_pci_dma_init(void);
static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
size_t size)
{
- return octeon_map_dma_mem(dev, addr, size);
+ BUG();
}
static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
struct page *page)
{
- return octeon_map_dma_mem(dev, page_address(page), PAGE_SIZE);
+ BUG();
}
static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
dma_addr_t dma_addr)
{
- return dma_addr;
+ BUG();
}
static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
size_t size, enum dma_data_direction direction)
{
- octeon_unmap_dma_mem(dev, dma_addr);
+ BUG();
}
static inline int plat_dma_supported(struct device *dev, u64 mask)
{
- return 1;
+ BUG();
}
static inline void plat_extra_sync_for_device(struct device *dev)
{
- mb();
+ BUG();
}
static inline int plat_device_is_coherent(struct device *dev)
@@ -60,7 +59,14 @@ static inline int plat_device_is_coherent(struct device *dev)
static inline int plat_dma_mapping_error(struct device *dev,
dma_addr_t dma_addr)
{
- return dma_addr == -1;
+ BUG();
}
+dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr);
+phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr);
+
+struct dma_map_ops;
+extern struct dma_map_ops *octeon_pci_dma_map_ops;
+extern char *octeon_swiotlb;
+
#endif /* __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H */