summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/boot/ops.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/boot/ops.h')
-rw-r--r--arch/powerpc/boot/ops.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h
index e4b6139d2d6..45c2268d5c5 100644
--- a/arch/powerpc/boot/ops.h
+++ b/arch/powerpc/boot/ops.h
@@ -89,6 +89,7 @@ extern void flush_cache(void *, unsigned long);
int dt_xlate_reg(void *node, int res, unsigned long *addr, unsigned long *size);
int dt_xlate_addr(void *node, u32 *buf, int buflen, unsigned long *xlated_addr);
int dt_is_compatible(void *node, const char *compat);
+void dt_get_reg_format(void *node, u32 *naddr, u32 *nsize);
static inline void *finddevice(const char *name)
{
@@ -206,4 +207,12 @@ extern char _initrd_end[];
extern char _dtb_start[];
extern char _dtb_end[];
+static inline __attribute__((const))
+int __ilog2_u32(u32 n)
+{
+ int bit;
+ asm ("cntlzw %0,%1" : "=r" (bit) : "r" (n));
+ return 31 - bit;
+}
+
#endif /* _PPC_BOOT_OPS_H_ */