1. 根目录:
2. arch
3. arm
4. mach-omap1
5. sram.h

#include <plat/sram.h>

extern void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl);

/* Do not use these */
extern void omap1_sram_reprogram_clock(u32 ckctl, u32 dpllctl);
extern unsigned long omap1_sram_reprogram_clock_sz;