#define EFER_EFM_DISABLE 0xaa
/* Chip IDs found in CR_CHIP_ID_{HI,LO} */
-#define CHIP_ID_HIGH 0xb4
-#define CHIP_ID_LOW 0x72
-#define CHIP_ID_LOW2 0x73
+#define CHIP_ID_HIGH_667 0xa5
+#define CHIP_ID_HIGH_677B 0xb4
+#define CHIP_ID_HIGH_677C 0xc3
+#define CHIP_ID_LOW_667 0x13
+#define CHIP_ID_LOW_677B2 0x72
+#define CHIP_ID_LOW_677B3 0x73
+#define CHIP_ID_LOW_677C 0x33
/* Config regs we need to care about */
#define CR_SOFTWARE_RESET 0x02