+extern u32 get_brgfreq(void);
+extern u32 get_baudrate(void);
+extern u32 fsl_get_sys_freq(void);
+
+struct spi_board_info;
+
+extern int fsl_spi_init(struct spi_board_info *board_infos,
+ unsigned int num_board_infos,
+ void (*activate_cs)(u8 cs, u8 polarity),
+ void (*deactivate_cs)(u8 cs, u8 polarity));