SAMPLE_AT_RESET_LOW
switch ((readl(SAMPLE_AT_RESET_LOW) >> 5) & 7) {
readl(SAMPLE_AT_RESET_LOW));
cfg = (readl(SAMPLE_AT_RESET_LOW) >> 8) & 0x3f;
cfg = (readl(SAMPLE_AT_RESET_LOW) >> 14) & 0x3f;