/*
* OMAP-1510 bus address is translated into a Local Bus address if the
- * OMAP bus type is lbus. See dmadev_uses_omap_lbus().
+ * OMAP bus type is lbus. We do the address translation based on the
+ * device overriding the defaults used in the dma-mapping API.
*/
#ifdef CONFIG_ARCH_OMAP1510
-#define bus_to_lbus(x) ((x) + (OMAP1510_LB_OFFSET - PHYS_OFFSET))
-#define lbus_to_bus(x) ((x) - (OMAP1510_LB_OFFSET - PHYS_OFFSET))
-#endif
+
+#define virt_to_lbus(x) ((x) - PAGE_OFFSET + OMAP1510_LB_OFFSET)
+#define lbus_to_virt(x) ((x) - OMAP1510_LB_OFFSET + PAGE_OFFSET)
+#define is_lbus_device(dev) (cpu_is_omap1510() && dev->coherent_dma_mask == 0x0fffffff)
+
+#define __arch_page_to_dma(dev, page) ({is_lbus_device(dev) ? \
+ (dma_addr_t)virt_to_lbus(page_address(page)) : \
+ (dma_addr_t)__virt_to_bus(page_address(page));})
+
+#define __arch_dma_to_virt(dev, addr) ({is_lbus_device(dev) ? \
+ lbus_to_virt(addr) : \
+ __bus_to_virt(addr);})
+
+#define __arch_virt_to_dma(dev, addr) ({is_lbus_device(dev) ? \
+ virt_to_lbus(addr) : \
+ __virt_to_bus(addr);})
+
+#endif /* CONFIG_ARCH_OMAP1510 */
#define PHYS_TO_NID(addr) (0)
#endif