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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/nds32/include/asm/fixmap.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/nds32/include/asm/fixmap.h')
-rw-r--r--arch/nds32/include/asm/fixmap.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/nds32/include/asm/fixmap.h b/arch/nds32/include/asm/fixmap.h
new file mode 100644
index 000000000..5a4bf11e5
--- /dev/null
+++ b/arch/nds32/include/asm/fixmap.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+// Copyright (C) 2005-2017 Andes Technology Corporation
+
+#ifndef __ASM_NDS32_FIXMAP_H
+#define __ASM_NDS32_FIXMAP_H
+
+#ifdef CONFIG_HIGHMEM
+#include <linux/threads.h>
+#include <asm/kmap_types.h>
+#endif
+
+enum fixed_addresses {
+ FIX_HOLE,
+ FIX_KMAP_RESERVED,
+ FIX_KMAP_BEGIN,
+#ifdef CONFIG_HIGHMEM
+ FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * NR_CPUS),
+#endif
+ FIX_EARLYCON_MEM_BASE,
+ __end_of_fixed_addresses
+};
+#define FIXADDR_TOP ((unsigned long) (-(16 * PAGE_SIZE)))
+#define FIXADDR_SIZE ((__end_of_fixed_addresses) << PAGE_SHIFT)
+#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE)
+#define FIXMAP_PAGE_IO __pgprot(PAGE_DEVICE)
+void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t prot);
+
+#include <asm-generic/fixmap.h>
+#endif /* __ASM_NDS32_FIXMAP_H */