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Diffstat (limited to 'include/fsl_esdhc.h')
| -rw-r--r-- | include/fsl_esdhc.h | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/include/fsl_esdhc.h b/include/fsl_esdhc.h new file mode 100644 index 0000000..67d6057 --- /dev/null +++ b/include/fsl_esdhc.h @@ -0,0 +1,202 @@ +/* + * 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 +#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 */ + +#endif /* __FSL_ESDHC_H__ */ |
