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Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/core/os.h')
-rw-r--r--drivers/gpu/drm/nouveau/include/nvkm/core/os.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/os.h b/drivers/gpu/drm/nouveau/include/nvkm/core/os.h
index fc9e8cd36087..445602d1e8d3 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/os.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/os.h
@@ -2,4 +2,23 @@
#ifndef __NVKM_OS_H__
#define __NVKM_OS_H__
#include <nvif/os.h>
+
+#ifdef __BIG_ENDIAN
+#define ioread16_native ioread16be
+#define iowrite16_native iowrite16be
+#define ioread32_native ioread32be
+#define iowrite32_native iowrite32be
+#else
+#define ioread16_native ioread16
+#define iowrite16_native iowrite16
+#define ioread32_native ioread32
+#define iowrite32_native iowrite32
+#endif
+
+#define iowrite64_native(v,p) do { \
+ u32 __iomem *_p = (u32 __iomem *)(p); \
+ u64 _v = (v); \
+ iowrite32_native(lower_32_bits(_v), &_p[0]); \
+ iowrite32_native(upper_32_bits(_v), &_p[1]); \
+} while(0)
#endif