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Diffstat (limited to 'arch/metag/include/asm/tcm.h')
-rw-r--r--arch/metag/include/asm/tcm.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/metag/include/asm/tcm.h b/arch/metag/include/asm/tcm.h
new file mode 100644
index 00000000000..7711c317b1d
--- /dev/null
+++ b/arch/metag/include/asm/tcm.h
@@ -0,0 +1,30 @@
+#ifndef __ASM_TCM_H__
+#define __ASM_TCM_H__
+
+#include <linux/ioport.h>
+#include <linux/list.h>
+
+struct tcm_allocation {
+ struct list_head list;
+ unsigned int tag;
+ unsigned long addr;
+ unsigned long size;
+};
+
+/*
+ * TCM memory region descriptor.
+ */
+struct tcm_region {
+ unsigned int tag;
+ struct resource res;
+};
+
+#define TCM_INVALID_TAG 0xffffffff
+
+unsigned long tcm_alloc(unsigned int tag, size_t len);
+void tcm_free(unsigned int tag, unsigned long addr, size_t len);
+unsigned int tcm_lookup_tag(unsigned long p);
+
+int tcm_add_region(struct tcm_region *reg);
+
+#endif