#endif
/*
- * C access to CLZ instruction
- * (count leading zeroes).
- */
-static inline int clz(unsigned long val)
-{
- int ret;
-
- __asm__ volatile (
- ".set\tnoreorder\n\t"
- ".set\tnoat\n\t"
- ".set\tmips32\n\t"
- "clz\t%0,%1\n\t"
- ".set\tmips0\n\t"
- ".set\tat\n\t"
- ".set\treorder"
- : "=r" (ret)
- : "r" (val)
- );
-
- return ret;
-}
-
-/*
* Atheros CPUs before the AR2315 are using MIPS 4Kc core, later designs are
* using MIPS 4KEc R2 core. This makes it easy to determine the board at runtime.
*/
static inline u32 sysRegMask(u32 phys, u32 mask, u32 value)
{
u32 reg;
-
+
reg = sysRegRead(phys);
reg &= ~mask;
reg |= value & mask;