readl_be
#define readl_be(a) in_be32((__force unsigned *)a)
#define readl_be(addr) \
static inline u32 readl_be(const volatile void __iomem *addr)
#define readl_be(__addr) __raw_readl(__addr)
#define readl_be(addr) __raw_readl((__force unsigned *)addr)
#define readl_be(x) be32_to_cpu((__force __be32)__raw_readl(x))