fsl_esdhc.h
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/*
* 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 <asm/errno.h>
#include <asm/byteorder.h>
/* FSL eSDHC-specific constants */
#define SYSCTL 0x0002e02c
#define SYSCTL_INITA 0x08000000
#define SYSCTL_TIMEOUT_MASK 0x000f0000
#define SYSCTL_CLOCK_MASK 0x0000fff0
#define SYSCTL_CKEN 0x00000008
#define SYSCTL_PEREN 0x00000004
#define SYSCTL_HCKEN 0x00000002
#define SYSCTL_IPGEN 0x00000001
#define SYSCTL_RSTA 0x01000000
#define SYSCTL_RSTC 0x02000000
#define SYSCTL_RSTD 0x04000000
#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 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_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
#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
struct fsl_esdhc_cfg {
u32 esdhc_base;
u32 sdhc_clk;
u8 max_bus_width;
};
/* 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 */
void __noreturn mmc_boot(void);
#endif /* __FSL_ESDHC_H__ */