unsigned int memctl_interleaved,
unsigned int ctrl_num);
-unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo);
+int fsl_ddr_interactive_env_var_exists(void);
+unsigned long long fsl_ddr_interactive(fsl_ddr_info_t *pinfo, int var_is_set);
void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
unsigned int ctrl_num);