#define CSR_HW_REV_TYPE_1000 (0x0000060)
#define CSR_HW_REV_TYPE_6x00 (0x0000070)
#define CSR_HW_REV_TYPE_6x50 (0x0000080)
+#define CSR_HW_REV_TYPE_6x50g2 (0x0000084)
#define CSR_HW_REV_TYPE_6x00g2 (0x00000B0)
#define CSR_HW_REV_TYPE_NONE (0x00000F0)