1 #ifndef __ALPHA_IO_H 2 #define __ALPHA_IO_H 3 4 #include <linux/config.h> 5 6 #ifndef mb 7 #define mb() __asm__ __volatile__("mb": : :"memory") 8 #endif 9 10 /* 11 * There are different version of the alpha motherboards: the 12 * "interesting" (read: slightly braindead) Jensen type hardware 13 * and the PCI version 14 */ 15 #ifdef CONFIG_PCI 16 #include <asm/lca.h> /* get chip-specific definitions */ 17 #else 18 #include <asm/jensen.h> 19 #endif 20 21 #endif