#ifndef __system_H #define __system_H #ifndef SYSTEMCLOCK #define SYSTEMCLOCK 100000000 #endif #ifndef MAXSDCCLOCK #define MAXSDCCLOCK 5000000 #endif #ifndef EXT_MEM_BASE #define EXT_MEM_BASE 0x80000000 #endif #ifndef EXT_MEM_RANGE #define EXT_MEM_RANGE 0x10000000 #endif #define EXT_MEM_END (EXT_MEM_BASE + EXT_MEM_RANGE) #define FDT_ADDRESS (EXT_MEM_END - 0x1000000) #endif