mmc: fsl_esdhc: drop i.MX code

Dropped i.MX code which couldn't be reused.
Signed-off-by: NYangbo Lu <yangbo.lu@nxp.com>
Tested-by: NSteffen Dirkwinkel <s.dirkwinkel@beckhoff.com>
Acked-by: NPeng Fan <peng.fan@nxp.com>
Reviewed-by: NMartyn Welch <martyn.welch@collabora.com>

include/fsl_esdhc.h

@@ -9,7 +9,6 @@
 #ifndef  __FSL_ESDHC_H__
 #define	__FSL_ESDHC_H__
 
-#include <linux/bitops.h>
 #include <linux/errno.h>
 #include <asm/byteorder.h>
 
@@ -25,22 +24,14 @@
 #define SYSCTL_INITA		0x08000000
 #define SYSCTL_TIMEOUT_MASK	0x000f0000
 #define SYSCTL_CLOCK_MASK	0x0000fff0
-#if !defined(CONFIG_FSL_USDHC)
 #define SYSCTL_CKEN		0x00000008
 #define SYSCTL_PEREN		0x00000004
 #define SYSCTL_HCKEN		0x00000002
 #define SYSCTL_IPGEN		0x00000001
-#endif
 #define SYSCTL_RSTA		0x01000000
 #define SYSCTL_RSTC		0x02000000
 #define SYSCTL_RSTD		0x04000000
 
-#define VENDORSPEC_CKEN		0x00004000
-#define VENDORSPEC_PEREN	0x00002000
-#define VENDORSPEC_HCKEN	0x00001000
-#define VENDORSPEC_IPGEN	0x00000800
-#define VENDORSPEC_INIT		0x20007809
-
 #define IRQSTAT			0x0002e030
 #define IRQSTAT_DMAE		(0x10000000)
 #define IRQSTAT_AC12E		(0x01000000)
@@ -172,54 +163,6 @@
 #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)
-
 struct fsl_esdhc_cfg {
 	phys_addr_t esdhc_base;
 	u32	sdhc_clk;