-#define ESDHC_HOSTCAPBLT_VS18 0x04000000
-#define ESDHC_HOSTCAPBLT_VS30 0x02000000
-#define ESDHC_HOSTCAPBLT_VS33 0x01000000
-#define ESDHC_HOSTCAPBLT_SRS 0x00800000
-#define ESDHC_HOSTCAPBLT_DMAS 0x00400000
-#define ESDHC_HOSTCAPBLT_HSS 0x00200000
-
-#define ESDHC_VENDORSPEC_VSELECT 0x00000002 /* Use 1.8V */
-
-/* Imported from Linux Kernel drivers/mmc/host/sdhci-esdhc-imx.c */
-#define MIX_CTRL_DDREN BIT(3)
-#define MIX_CTRL_DTDSEL_READ BIT(4)
-#define MIX_CTRL_AC23EN BIT(7)
-#define MIX_CTRL_EXE_TUNE BIT(22)
-#define MIX_CTRL_SMPCLK_SEL BIT(23)
-#define MIX_CTRL_AUTO_TUNE_EN BIT(24)
-#define MIX_CTRL_FBCLK_SEL BIT(25)
-#define MIX_CTRL_HS400_EN BIT(26)
-#define MIX_CTRL_HS400_ES BIT(27)
-/* Bits 3 and 6 are not SDHCI standard definitions */
-#define MIX_CTRL_SDHCI_MASK 0xb7
-/* Tuning bits */
-#define MIX_CTRL_TUNING_MASK 0x03c00000
-
-/* strobe dll register */
-#define ESDHC_STROBE_DLL_CTRL 0x70
-#define ESDHC_STROBE_DLL_CTRL_ENABLE BIT(0)
-#define ESDHC_STROBE_DLL_CTRL_RESET BIT(1)
-#define ESDHC_STROBE_DLL_CTRL_SLV_DLY_TARGET_DEFAULT 0x7
-#define ESDHC_STROBE_DLL_CTRL_SLV_DLY_TARGET_SHIFT 3
-
-#define ESDHC_STROBE_DLL_STATUS 0x74
-#define ESDHC_STROBE_DLL_STS_REF_LOCK BIT(1)
-#define ESDHC_STROBE_DLL_STS_SLV_LOCK 0x1
-#define ESDHC_STROBE_DLL_CLK_FREQ 100000000
-
-#define ESDHC_STD_TUNING_EN BIT(24)
-/* NOTE: the minimum valid tuning start tap for mx6sl is 1 */
-#define ESDHC_TUNING_START_TAP_DEFAULT 0x1
-#define ESDHC_TUNING_START_TAP_MASK 0xff
-#define ESDHC_TUNING_STEP_MASK 0x00070000
-#define ESDHC_TUNING_STEP_SHIFT 16
-
-#define ESDHC_FLAG_MULTIBLK_NO_INT BIT(1)
-#define ESDHC_FLAG_ENGCM07207 BIT(2)
-#define ESDHC_FLAG_USDHC BIT(3)
-#define ESDHC_FLAG_MAN_TUNING BIT(4)
-#define ESDHC_FLAG_STD_TUNING BIT(5)
-#define ESDHC_FLAG_HAVE_CAP1 BIT(6)
-#define ESDHC_FLAG_ERR004536 BIT(7)
-#define ESDHC_FLAG_HS200 BIT(8)
-#define ESDHC_FLAG_HS400 BIT(9)
-#define ESDHC_FLAG_ERR010450 BIT(10)
-#define ESDHC_FLAG_HS400_ES BIT(11)
+/* Auto CMD error status register / system control 2 register */
+#define EXECUTE_TUNING 0x00400000
+#define SMPCLKSEL 0x00800000
+#define UHSM_MASK 0x00070000
+#define UHSM_SDR104_HS200 0x00030000
+
+/* Host controller capabilities register */
+#define HOSTCAPBLT_VS18 0x04000000
+#define HOSTCAPBLT_VS30 0x02000000
+#define HOSTCAPBLT_VS33 0x01000000
+#define HOSTCAPBLT_SRS 0x00800000
+#define HOSTCAPBLT_DMAS 0x00400000
+#define HOSTCAPBLT_HSS 0x00200000
+
+/* Tuning block control register */
+#define TBCTL_TB_EN 0x00000004
+#define HS400_MODE 0x00000010
+#define HS400_WNDW_ADJUST 0x00000040
+
+/* SD clock control register */
+#define CMD_CLK_CTL 0x00008000
+
+/* 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