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  • /*
     * FSL SD/MMC Defines
     *-------------------------------------------------------------------
     *
    
     * Copyright 2007-2008,2010-2011 Freescale Semiconductor, Inc
    
     *
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License as
     * published by the Free Software Foundation; either version 2 of
     * the License, or (at your option) any later version.
     *
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
     * GNU General Public License for more details.
     *
     * You should have received a copy of the GNU General Public License
     * along with this program; if not, write to the Free Software
     * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
     * MA 02111-1307 USA
     *
     *-------------------------------------------------------------------
     *
     */
    
    #ifndef  __FSL_ESDHC_H__
    #define	__FSL_ESDHC_H__
    
    
    #include <asm/errno.h>
    
    #include <asm/byteorder.h>
    
    /* FSL eSDHC-specific constants */
    #define SYSCTL			0x0002e02c
    #define SYSCTL_INITA		0x08000000
    #define SYSCTL_TIMEOUT_MASK	0x000f0000
    
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    #define SYSCTL_CLOCK_MASK	0x0000fff0
    
    #define SYSCTL_RSTA		0x01000000
    #define SYSCTL_CKEN		0x00000008
    
    #define SYSCTL_PEREN		0x00000004
    #define SYSCTL_HCKEN		0x00000002
    #define SYSCTL_IPGEN		0x00000001
    
    #define SYSCTL_RSTA		0x01000000
    
    
    #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)
    
    #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 PRSSTAT			0x0002e024
    #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_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_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
    
    
    #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
    
    
    struct fsl_esdhc_cfg {
    	u32	esdhc_base;
    	u32	no_snoop;
    };
    
    /* Select the correct accessors depending on endianess */
    #if __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 */