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-rw-r--r--include/linux/mbus.h24
1 files changed, 23 insertions, 1 deletions
diff --git a/include/linux/mbus.h b/include/linux/mbus.h
index efa1a6d7aca8..462eb9791012 100644
--- a/include/linux/mbus.h
+++ b/include/linux/mbus.h
@@ -32,6 +32,17 @@ struct mbus_dram_target_info
} cs[4];
};
+/* Flags for PCI/PCIe address decoding regions */
+#define MVEBU_MBUS_PCI_IO 0x1
+#define MVEBU_MBUS_PCI_MEM 0x2
+#define MVEBU_MBUS_PCI_WA 0x3
+
+/*
+ * Magic value that explicits that we don't need a remapping-capable
+ * address decoding window.
+ */
+#define MVEBU_MBUS_NO_REMAP (0xffffffff)
+
/*
* The Marvell mbus is to be found only on SOCs from the Orion family
* at the moment. Provide a dummy stub for other architectures.
@@ -44,4 +55,15 @@ static inline const struct mbus_dram_target_info *mv_mbus_dram_info(void)
return NULL;
}
#endif
-#endif
+
+int mvebu_mbus_add_window_remap_flags(const char *devname, phys_addr_t base,
+ size_t size, phys_addr_t remap,
+ unsigned int flags);
+int mvebu_mbus_add_window(const char *devname, phys_addr_t base,
+ size_t size);
+int mvebu_mbus_del_window(phys_addr_t base, size_t size);
+int mvebu_mbus_init(const char *soc, phys_addr_t mbus_phys_base,
+ size_t mbus_size, phys_addr_t sdram_phys_base,
+ size_t sdram_size);
+
+#endif /* __LINUX_MBUS_H */