Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 67 insertions, 0 deletions

diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h
new file mode 100644
index 000000000..9b7c328fb
--- /dev/null
+++ b/arch/arm/include/asm/mach/map.h
@@ -0,0 +1,67 @@
+/*
+ *  arch/arm/include/asm/map.h
+ *
+ *  Copyright (C) 1999-2000 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ *  Page table mapping constructs and function prototypes
+ */
+#ifndef __ASM_MACH_MAP_H
+#define __ASM_MACH_MAP_H
+
+#include <asm/io.h>
+
+struct map_desc {
+	unsigned long virtual;
+	unsigned long pfn;
+	unsigned long length;
+	unsigned int type;
+};
+
+/* types 0-3 are defined in asm/io.h */
+enum {
+	MT_UNCACHED = 4,
+	MT_CACHECLEAN,
+	MT_MINICLEAN,
+	MT_LOW_VECTORS,
+	MT_HIGH_VECTORS,
+	MT_MEMORY_RWX,
+	MT_MEMORY_RW,
+	MT_ROM,
+	MT_MEMORY_RWX_NONCACHED,
+	MT_MEMORY_RW_DTCM,
+	MT_MEMORY_RWX_ITCM,
+	MT_MEMORY_RW_SO,
+	MT_MEMORY_DMA_READY,
+};
+
+#ifdef CONFIG_MMU
+extern void iotable_init(struct map_desc *, int);
+extern void vm_reserve_area_early(unsigned long addr, unsigned long size,
+				  void *caller);
+extern void create_mapping_late(struct mm_struct *mm, struct map_desc *md,
+				bool ng);
+
+#ifdef CONFIG_DEBUG_LL
+extern void debug_ll_addr(unsigned long *paddr, unsigned long *vaddr);
+extern void debug_ll_io_init(void);
+#else
+static inline void debug_ll_io_init(void) {}
+#endif
+
+struct mem_type;
+extern const struct mem_type *get_mem_type(unsigned int type);
+/*
+ * external interface to remap single page with appropriate type
+ */
+extern int ioremap_page(unsigned long virt, unsigned long phys,
+			const struct mem_type *mtype);
+#else
+#define iotable_init(map,num)	do { } while (0)
+#define vm_reserve_area_early(a,s,c)	do { } while (0)
+#endif
+
+#endif