summaryrefslogtreecommitdiffstats
path: root/scripts/dtc/libfdt/libfdt_env.h
diff options
context:
space:
mode:
authorH. Peter Anvin <hpa@zytor.com>2009-05-23 16:42:19 -0700
committerH. Peter Anvin <hpa@zytor.com>2009-05-23 16:42:19 -0700
commitee0736627d3347be0be2769fa7b26431f9726c9d (patch)
tree203e2204daaec4cf005463fdf2c7bf380d6eef36 /scripts/dtc/libfdt/libfdt_env.h
parentcf9972a921470b0a2da7906104bcd540b20e33bf (diff)
parent0af48f42df15b97080b450d24219dd95db7b929a (diff)
Merge branch 'x86/urgent' into x86/setup
Resolved conflicts: arch/x86/boot/memory.c Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'scripts/dtc/libfdt/libfdt_env.h')
-rw-r--r--scripts/dtc/libfdt/libfdt_env.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/scripts/dtc/libfdt/libfdt_env.h b/scripts/dtc/libfdt/libfdt_env.h
new file mode 100644
index 00000000000..449bf602daf
--- /dev/null
+++ b/scripts/dtc/libfdt/libfdt_env.h
@@ -0,0 +1,23 @@
+#ifndef _LIBFDT_ENV_H
+#define _LIBFDT_ENV_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include <string.h>
+
+#define _B(n) ((unsigned long long)((uint8_t *)&x)[n])
+static inline uint32_t fdt32_to_cpu(uint32_t x)
+{
+ return (_B(0) << 24) | (_B(1) << 16) | (_B(2) << 8) | _B(3);
+}
+#define cpu_to_fdt32(x) fdt32_to_cpu(x)
+
+static inline uint64_t fdt64_to_cpu(uint64_t x)
+{
+ return (_B(0) << 56) | (_B(1) << 48) | (_B(2) << 40) | (_B(3) << 32)
+ | (_B(4) << 24) | (_B(5) << 16) | (_B(6) << 8) | _B(7);
+}
+#define cpu_to_fdt64(x) fdt64_to_cpu(x)
+#undef _B
+
+#endif /* _LIBFDT_ENV_H */