/*
   * FSL SD/MMC Defines
   *-------------------------------------------------------------------
   *

   * Copyright 2007-2008,2010-2011 Freescale Semiconductor, Inc

   *

   * SPDX-License-Identifier:	GPL-2.0+

   */
  
  #ifndef  __FSL_ESDHC_H__
  #define	__FSL_ESDHC_H__

  #include <linux/errno.h>

  #include <asm/byteorder.h>

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

  #ifdef CONFIG_FSL_ESDHC_ADAPTER_IDENT
  #include "../board/freescale/common/qixis.h"
  #endif

  /* 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 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		100000

  
  #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 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 */

  struct fsl_esdhc_cfg {

  	phys_addr_t esdhc_base;

  	u32	sdhc_clk;

  	u8	max_bus_width;

  	u8	wp_enable;

  	u8	vs18_enable; /*default use 1.8v if this var is not 0*/

  	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

  int fsl_esdhc_mmc_init(bd_t *bis);

  int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg);

  void fdt_fixup_esdhc(void *blob, bd_t *bd);
  #else
  static inline int fsl_esdhc_mmc_init(bd_t *bis) { return -ENOSYS; }
  static inline void fdt_fixup_esdhc(void *blob, bd_t *bd) {}
  #endif /* CONFIG_FSL_ESDHC */

  void __noreturn mmc_boot(void);

  void mmc_spl_load_image(uint32_t offs, unsigned int size, void *vdst);

  
  #endif  /* __FSL_ESDHC_H__ */