+/* SD timing control register */
+#define FLW_CTL_BG 0x00008000
+
+/* DLL config 0 register */
+#define DLL_ENABLE 0x80000000
+#define DLL_RESET 0x40000000
+#define DLL_FREQ_SEL 0x08000000
+
+/* DLL config 1 register */
+#define DLL_PD_PULSE_STRETCH_SEL 0x80000000
+
+/* DLL status 0 register */
+#define DLL_STS_SLV_LOCK 0x08000000
+
+#define MAX_TUNING_LOOP 40
+
+#define HOSTVER_VENDOR(x) (((x) >> 8) & 0xff)
+#define VENDOR_V_10 0x00
+#define VENDOR_V_20 0x10
+#define VENDOR_V_21 0x11
+#define VENDOR_V_22 0x12
+#define VENDOR_V_23 0x13
+#define VENDOR_V_30 0x20
+#define VENDOR_V_31 0x21
+#define VENDOR_V_32 0x22