summaryrefslogtreecommitdiffstats
path: root/arch/sparc/include/asm/vaddrs.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc/include/asm/vaddrs.h')
-rw-r--r--arch/sparc/include/asm/vaddrs.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/vaddrs.h b/arch/sparc/include/asm/vaddrs.h
index da6535d..c3dbcf9 100644
--- a/arch/sparc/include/asm/vaddrs.h
+++ b/arch/sparc/include/asm/vaddrs.h
@@ -30,6 +30,28 @@
*/
#define SRMMU_NOCACHE_ALCRATIO 64 /* 256 pages per 64MB of system RAM */
+#ifndef __ASSEMBLY__
+#include <asm/kmap_types.h>
+
+enum fixed_addresses {
+ FIX_HOLE,
+#ifdef CONFIG_HIGHMEM
+ FIX_KMAP_BEGIN,
+ FIX_KMAP_END = (KM_TYPE_NR * NR_CPUS),
+#endif
+ __end_of_fixed_addresses
+};
+#endif
+
+/* Leave one empty page between IO pages at 0xfd000000 and
+ * the top of the fixmap.
+ */
+#define FIXADDR_TOP (0xfcfff000UL)
+#define FIXADDR_SIZE ((FIX_KMAP_END + 1) << PAGE_SHIFT)
+#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE)
+
+#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT))
+
#define SUN4M_IOBASE_VADDR 0xfd000000 /* Base for mapping pages */
#define IOBASE_VADDR 0xfe000000
#define IOBASE_END 0xfe600000