include/fsl_esdhc_imx.h - filogic/uboot - Gitiles

 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * FSL SD/MMC Defines
  *-------------------------------------------------------------------
  *
  * Copyright 2019 NXP
  * Yangbo Lu <yangbo.lu@nxp.com>
  *
  * Copyright 2007-2008,2010-2011 Freescale Semiconductor, Inc
  */

 #ifndef __FSL_ESDHC_IMX_H__
 #define __FSL_ESDHC_IMX_H__

 #include <linux/bitops.h>
 #include <linux/errno.h>
 #include <asm/byteorder.h>

 /* needed for the mmc_cfg definition */
 #include <mmc.h>

 /* FSL eSDHC-specific constants */
 #define SYSCTL			0x0002e02c
 #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)
 #define IRQSTAT_DEBE		(0x00400000)
 #define IRQSTAT_DCE		(0x00200000)
 #define IRQSTAT_DTOE		(0x00100000)
 #define IRQSTAT_CIE		(0x00080000)
 #define IRQSTAT_CEBE		(0x00040000)
 #define IRQSTAT_CCE		(0x00020000)
 #define IRQSTAT_CTOE		(0x00010000)
 #define IRQSTAT_CINT		(0x00000100)
 #define IRQSTAT_CRM		(0x00000080)
 #define IRQSTAT_CINS		(0x00000040)
 #define IRQSTAT_BRR		(0x00000020)
 #define IRQSTAT_BWR		(0x00000010)
 #define IRQSTAT_DINT		(0x00000008)
 #define IRQSTAT_BGE		(0x00000004)
 #define IRQSTAT_TC		(0x00000002)
 #define IRQSTAT_CC		(0x00000001)

 #define CMD_ERR		(IRQSTAT_CIE | IRQSTAT_CEBE | IRQSTAT_CCE)
 #define DATA_ERR	(IRQSTAT_DEBE | IRQSTAT_DCE | IRQSTAT_DTOE | \
 				IRQSTAT_DMAE)
 #define DATA_COMPLETE	(IRQSTAT_TC | IRQSTAT_DINT)

 #define IRQSTATEN		0x0002e034
 #define IRQSTATEN_DMAE		(0x10000000)
 #define IRQSTATEN_AC12E		(0x01000000)
 #define IRQSTATEN_DEBE		(0x00400000)
 #define IRQSTATEN_DCE		(0x00200000)
 #define IRQSTATEN_DTOE		(0x00100000)
 #define IRQSTATEN_CIE		(0x00080000)
 #define IRQSTATEN_CEBE		(0x00040000)
 #define IRQSTATEN_CCE		(0x00020000)
 #define IRQSTATEN_CTOE		(0x00010000)
 #define IRQSTATEN_CINT		(0x00000100)
 #define IRQSTATEN_CRM		(0x00000080)
 #define IRQSTATEN_CINS		(0x00000040)
 #define IRQSTATEN_BRR		(0x00000020)
 #define IRQSTATEN_BWR		(0x00000010)
 #define IRQSTATEN_DINT		(0x00000008)
 #define IRQSTATEN_BGE		(0x00000004)
 #define IRQSTATEN_TC		(0x00000002)
 #define IRQSTATEN_CC		(0x00000001)

 #define ESDHCCTL		0x0002e40c
 #define ESDHCCTL_PCS		(0x00080000)

 #define PRSSTAT			0x0002e024
 #define PRSSTAT_DAT0		(0x01000000)
 #define PRSSTAT_CLSL		(0x00800000)
 #define PRSSTAT_WPSPL		(0x00080000)
 #define PRSSTAT_CDPL		(0x00040000)
 #define PRSSTAT_CINS		(0x00010000)
 #define PRSSTAT_BREN		(0x00000800)
 #define PRSSTAT_BWEN		(0x00000400)
 #define PRSSTAT_SDSTB		(0X00000008)
 #define PRSSTAT_DLA		(0x00000004)
 #define PRSSTAT_CICHB		(0x00000002)
 #define PRSSTAT_CIDHB		(0x00000001)

 #define PROCTL			0x0002e028
 #define PROCTL_INIT		0x00000020
 #define PROCTL_DTW_4		0x00000002
 #define PROCTL_DTW_8		0x00000004
 #define PROCTL_D3CD		0x00000008

 #define CMDARG			0x0002e008

 #define XFERTYP			0x0002e00c
 #define XFERTYP_CMD(x)		((x & 0x3f) << 24)
 #define XFERTYP_CMDTYP_NORMAL	0x0
 #define XFERTYP_CMDTYP_SUSPEND	0x00400000
 #define XFERTYP_CMDTYP_RESUME	0x00800000
 #define XFERTYP_CMDTYP_ABORT	0x00c00000
 #define XFERTYP_DPSEL		0x00200000
 #define XFERTYP_CICEN		0x00100000
 #define XFERTYP_CCCEN		0x00080000
 #define XFERTYP_RSPTYP_NONE	0
 #define XFERTYP_RSPTYP_136	0x00010000
 #define XFERTYP_RSPTYP_48	0x00020000
 #define XFERTYP_RSPTYP_48_BUSY	0x00030000
 #define XFERTYP_MSBSEL		0x00000020
 #define XFERTYP_DTDSEL		0x00000010
 #define XFERTYP_DDREN		0x00000008
 #define XFERTYP_AC12EN		0x00000004
 #define XFERTYP_BCEN		0x00000002
 #define XFERTYP_DMAEN		0x00000001

 #define CINS_TIMEOUT		1000
 #define PIO_TIMEOUT		500

 #define DSADDR		0x2e004

 #define CMDRSP0		0x2e010
 #define CMDRSP1		0x2e014
 #define CMDRSP2		0x2e018
 #define CMDRSP3		0x2e01c

 #define DATPORT		0x2e020

 #define WML		0x2e044
 #define WML_WRITE	0x00010000
 #ifdef CONFIG_FSL_SDHC_V2_3
 #define WML_RD_WML_MAX		0x80
 #define WML_WR_WML_MAX		0x80
 #define WML_RD_WML_MAX_VAL	0x0
 #define WML_WR_WML_MAX_VAL	0x0
 #define WML_RD_WML_MASK		0x7f
 #define WML_WR_WML_MASK		0x7f0000
 #else
 #define WML_RD_WML_MAX		0x10
 #define WML_WR_WML_MAX		0x80
 #define WML_RD_WML_MAX_VAL	0x10
 #define WML_WR_WML_MAX_VAL	0x80
 #define WML_RD_WML_MASK	0xff
 #define WML_WR_WML_MASK	0xff0000
 #endif

 #define BLKATTR		0x2e004
 #define BLKATTR_CNT(x)	((x & 0xffff) << 16)
 #define BLKATTR_SIZE(x)	(x & 0x1fff)
 #define MAX_BLK_CNT	0x7fff	/* so malloc will have enough room with 32M */

 #define HOSTCAPBLT_VS18	0x04000000
 #define HOSTCAPBLT_VS30	0x02000000
 #define HOSTCAPBLT_VS33	0x01000000
 #define HOSTCAPBLT_SRS	0x00800000
 #define HOSTCAPBLT_DMAS	0x00400000
 #define 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_CTRL_SLV_UPDATE_INT_DEFAULT   (4 << 20)

 #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	0x7f
 #define ESDHC_TUNING_CMD_CRC_CHECK_DISABLE	BIT(7)
 #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;
 	u8	max_bus_width;
 	int	wp_enable;
 	int	vs18_enable; /* Use 1.8V if set to 1 */
 	struct mmc_config cfg;
 };

 /* Select the correct accessors depending on endianess */
 #if defined CONFIG_SYS_FSL_ESDHC_LE
 #define esdhc_read32		in_le32
 #define esdhc_write32		out_le32
 #define esdhc_clrsetbits32	clrsetbits_le32
 #define esdhc_clrbits32		clrbits_le32
 #define esdhc_setbits32		setbits_le32
 #elif defined(CONFIG_SYS_FSL_ESDHC_BE)
 #define esdhc_read32            in_be32
 #define esdhc_write32           out_be32
 #define esdhc_clrsetbits32      clrsetbits_be32
 #define esdhc_clrbits32         clrbits_be32
 #define esdhc_setbits32         setbits_be32
 #elif __BYTE_ORDER == __LITTLE_ENDIAN
 #define esdhc_read32		in_le32
 #define esdhc_write32		out_le32
 #define esdhc_clrsetbits32	clrsetbits_le32
 #define esdhc_clrbits32		clrbits_le32
 #define esdhc_setbits32		setbits_le32
 #elif __BYTE_ORDER == __BIG_ENDIAN
 #define esdhc_read32		in_be32
 #define esdhc_write32		out_be32
 #define esdhc_clrsetbits32	clrsetbits_be32
 #define esdhc_clrbits32		clrbits_be32
 #define esdhc_setbits32		setbits_be32
 #else
 #error "Endianess is not defined: please fix to continue"
 #endif

 #ifdef CONFIG_FSL_ESDHC_IMX
 int fsl_esdhc_mmc_init(struct bd_info *bis);
 int fsl_esdhc_initialize(struct bd_info *bis, struct fsl_esdhc_cfg *cfg);
 void fdt_fixup_esdhc(void *blob, struct bd_info *bd);
 #else
 static inline int fsl_esdhc_mmc_init(struct bd_info *bis) { return -ENOSYS; }
 static inline void fdt_fixup_esdhc(void *blob, struct bd_info *bd) {}
 #endif /* CONFIG_FSL_ESDHC_IMX */
 void __noreturn mmc_boot(void);
 void mmc_spl_load_image(uint32_t offs, unsigned int size, void *vdst);

 #endif  /* __FSL_ESDHC_IMX_H__ */
	/* SPDX-License-Identifier: GPL-2.0+ */
	/*
	* FSL SD/MMC Defines
	*-------------------------------------------------------------------
	*
	* Copyright 2019 NXP
	* Yangbo Lu <yangbo.lu@nxp.com>
	*
	* Copyright 2007-2008,2010-2011 Freescale Semiconductor, Inc
	*/

	#ifndef __FSL_ESDHC_IMX_H__
	#define __FSL_ESDHC_IMX_H__

	#include <linux/bitops.h>
	#include <linux/errno.h>
	#include <asm/byteorder.h>

	/* needed for the mmc_cfg definition */
	#include <mmc.h>

	/* FSL eSDHC-specific constants */
	#define SYSCTL 0x0002e02c
	#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)
	#define IRQSTAT_DEBE (0x00400000)
	#define IRQSTAT_DCE (0x00200000)
	#define IRQSTAT_DTOE (0x00100000)
	#define IRQSTAT_CIE (0x00080000)
	#define IRQSTAT_CEBE (0x00040000)
	#define IRQSTAT_CCE (0x00020000)
	#define IRQSTAT_CTOE (0x00010000)
	#define IRQSTAT_CINT (0x00000100)
	#define IRQSTAT_CRM (0x00000080)
	#define IRQSTAT_CINS (0x00000040)
	#define IRQSTAT_BRR (0x00000020)
	#define IRQSTAT_BWR (0x00000010)
	#define IRQSTAT_DINT (0x00000008)
	#define IRQSTAT_BGE (0x00000004)
	#define IRQSTAT_TC (0x00000002)
	#define IRQSTAT_CC (0x00000001)

	#define CMD_ERR (IRQSTAT_CIE \| IRQSTAT_CEBE \| IRQSTAT_CCE)
	#define DATA_ERR (IRQSTAT_DEBE \| IRQSTAT_DCE \| IRQSTAT_DTOE \| \
	IRQSTAT_DMAE)
	#define DATA_COMPLETE (IRQSTAT_TC \| IRQSTAT_DINT)

	#define IRQSTATEN 0x0002e034
	#define IRQSTATEN_DMAE (0x10000000)
	#define IRQSTATEN_AC12E (0x01000000)
	#define IRQSTATEN_DEBE (0x00400000)
	#define IRQSTATEN_DCE (0x00200000)
	#define IRQSTATEN_DTOE (0x00100000)
	#define IRQSTATEN_CIE (0x00080000)
	#define IRQSTATEN_CEBE (0x00040000)
	#define IRQSTATEN_CCE (0x00020000)
	#define IRQSTATEN_CTOE (0x00010000)
	#define IRQSTATEN_CINT (0x00000100)
	#define IRQSTATEN_CRM (0x00000080)
	#define IRQSTATEN_CINS (0x00000040)
	#define IRQSTATEN_BRR (0x00000020)
	#define IRQSTATEN_BWR (0x00000010)
	#define IRQSTATEN_DINT (0x00000008)
	#define IRQSTATEN_BGE (0x00000004)
	#define IRQSTATEN_TC (0x00000002)
	#define IRQSTATEN_CC (0x00000001)

	#define ESDHCCTL 0x0002e40c
	#define ESDHCCTL_PCS (0x00080000)

	#define PRSSTAT 0x0002e024
	#define PRSSTAT_DAT0 (0x01000000)
	#define PRSSTAT_CLSL (0x00800000)
	#define PRSSTAT_WPSPL (0x00080000)
	#define PRSSTAT_CDPL (0x00040000)
	#define PRSSTAT_CINS (0x00010000)
	#define PRSSTAT_BREN (0x00000800)
	#define PRSSTAT_BWEN (0x00000400)
	#define PRSSTAT_SDSTB (0X00000008)
	#define PRSSTAT_DLA (0x00000004)
	#define PRSSTAT_CICHB (0x00000002)
	#define PRSSTAT_CIDHB (0x00000001)

	#define PROCTL 0x0002e028
	#define PROCTL_INIT 0x00000020
	#define PROCTL_DTW_4 0x00000002
	#define PROCTL_DTW_8 0x00000004
	#define PROCTL_D3CD 0x00000008

	#define CMDARG 0x0002e008

	#define XFERTYP 0x0002e00c
	#define XFERTYP_CMD(x) ((x & 0x3f) << 24)
	#define XFERTYP_CMDTYP_NORMAL 0x0
	#define XFERTYP_CMDTYP_SUSPEND 0x00400000
	#define XFERTYP_CMDTYP_RESUME 0x00800000
	#define XFERTYP_CMDTYP_ABORT 0x00c00000
	#define XFERTYP_DPSEL 0x00200000
	#define XFERTYP_CICEN 0x00100000
	#define XFERTYP_CCCEN 0x00080000
	#define XFERTYP_RSPTYP_NONE 0
	#define XFERTYP_RSPTYP_136 0x00010000
	#define XFERTYP_RSPTYP_48 0x00020000
	#define XFERTYP_RSPTYP_48_BUSY 0x00030000
	#define XFERTYP_MSBSEL 0x00000020
	#define XFERTYP_DTDSEL 0x00000010
	#define XFERTYP_DDREN 0x00000008
	#define XFERTYP_AC12EN 0x00000004
	#define XFERTYP_BCEN 0x00000002
	#define XFERTYP_DMAEN 0x00000001

	#define CINS_TIMEOUT 1000
	#define PIO_TIMEOUT 500

	#define DSADDR 0x2e004

	#define CMDRSP0 0x2e010
	#define CMDRSP1 0x2e014
	#define CMDRSP2 0x2e018
	#define CMDRSP3 0x2e01c

	#define DATPORT 0x2e020

	#define WML 0x2e044
	#define WML_WRITE 0x00010000
	#ifdef CONFIG_FSL_SDHC_V2_3
	#define WML_RD_WML_MAX 0x80
	#define WML_WR_WML_MAX 0x80
	#define WML_RD_WML_MAX_VAL 0x0
	#define WML_WR_WML_MAX_VAL 0x0
	#define WML_RD_WML_MASK 0x7f
	#define WML_WR_WML_MASK 0x7f0000
	#else
	#define WML_RD_WML_MAX 0x10
	#define WML_WR_WML_MAX 0x80
	#define WML_RD_WML_MAX_VAL 0x10
	#define WML_WR_WML_MAX_VAL 0x80
	#define WML_RD_WML_MASK 0xff
	#define WML_WR_WML_MASK 0xff0000
	#endif

	#define BLKATTR 0x2e004
	#define BLKATTR_CNT(x) ((x & 0xffff) << 16)
	#define BLKATTR_SIZE(x) (x & 0x1fff)
	#define MAX_BLK_CNT 0x7fff /* so malloc will have enough room with 32M */

	#define HOSTCAPBLT_VS18 0x04000000
	#define HOSTCAPBLT_VS30 0x02000000
	#define HOSTCAPBLT_VS33 0x01000000
	#define HOSTCAPBLT_SRS 0x00800000
	#define HOSTCAPBLT_DMAS 0x00400000
	#define 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_CTRL_SLV_UPDATE_INT_DEFAULT (4 << 20)

	#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 0x7f
	#define ESDHC_TUNING_CMD_CRC_CHECK_DISABLE BIT(7)
	#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;
	u8 max_bus_width;
	int wp_enable;
	int vs18_enable; /* Use 1.8V if set to 1 */
	struct mmc_config cfg;
	};

	/* Select the correct accessors depending on endianess */
	#if defined CONFIG_SYS_FSL_ESDHC_LE
	#define esdhc_read32 in_le32
	#define esdhc_write32 out_le32
	#define esdhc_clrsetbits32 clrsetbits_le32
	#define esdhc_clrbits32 clrbits_le32
	#define esdhc_setbits32 setbits_le32
	#elif defined(CONFIG_SYS_FSL_ESDHC_BE)
	#define esdhc_read32 in_be32
	#define esdhc_write32 out_be32
	#define esdhc_clrsetbits32 clrsetbits_be32
	#define esdhc_clrbits32 clrbits_be32
	#define esdhc_setbits32 setbits_be32
	#elif __BYTE_ORDER == __LITTLE_ENDIAN
	#define esdhc_read32 in_le32
	#define esdhc_write32 out_le32
	#define esdhc_clrsetbits32 clrsetbits_le32
	#define esdhc_clrbits32 clrbits_le32
	#define esdhc_setbits32 setbits_le32
	#elif __BYTE_ORDER == __BIG_ENDIAN
	#define esdhc_read32 in_be32
	#define esdhc_write32 out_be32
	#define esdhc_clrsetbits32 clrsetbits_be32
	#define esdhc_clrbits32 clrbits_be32
	#define esdhc_setbits32 setbits_be32
	#else
	#error "Endianess is not defined: please fix to continue"
	#endif

	#ifdef CONFIG_FSL_ESDHC_IMX
	int fsl_esdhc_mmc_init(struct bd_info *bis);
	int fsl_esdhc_initialize(struct bd_info bis, struct fsl_esdhc_cfg cfg);
	void fdt_fixup_esdhc(void blob, struct bd_info bd);
	#else
	static inline int fsl_esdhc_mmc_init(struct bd_info *bis) { return -ENOSYS; }
	static inline void fdt_fixup_esdhc(void blob, struct bd_info bd) {}
	#endif /* CONFIG_FSL_ESDHC_IMX */
	void __noreturn mmc_boot(void);
	void mmc_spl_load_image(uint32_t offs, unsigned int size, void *vdst);

	#endif /* __FSL_ESDHC_IMX_H__ */