sdmmc_delay
sdmmc_delay(10000);
sdmmc_delay(10000);
sdmmc_delay(10);
sdmmc_delay(5000);
sdmmc_delay(10000);
sdmmc_delay(250000);
tsleep_nsec(&sdmmc_delay, PWAIT, "mmcdly", USEC_TO_NSEC(usecs));
sdmmc_delay(100000);
sdmmc_delay(10000);
sdmmc_delay(10000);
sdmmc_delay(10000);
sdmmc_delay(10000);
sdmmc_delay(10000);
sdmmc_delay(10000);
void sdmmc_delay(u_int);