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      1 /* SPDX-License-Identifier: GPL-2.0 */
      2 /*
      3  * drivers/mmc/sh-sdhi.h
      4  *
      5  * SD/MMC driver for Renesas rmobile ARM SoCs
      6  *
      7  * Copyright (C) 2013-2017 Renesas Electronics Corporation
      8  * Copyright (C) 2008-2009 Renesas Solutions Corp.
      9  */
     10 
     11 #ifndef _SH_SDHI_H
     12 #define _SH_SDHI_H
     13 
     14 #define SDHI_CMD			(0x0000 >> 1)
     15 #define SDHI_PORTSEL			(0x0004 >> 1)
     16 #define SDHI_ARG0			(0x0008 >> 1)
     17 #define SDHI_ARG1			(0x000C >> 1)
     18 #define SDHI_STOP			(0x0010 >> 1)
     19 #define SDHI_SECCNT			(0x0014 >> 1)
     20 #define SDHI_RSP00			(0x0018 >> 1)
     21 #define SDHI_RSP01			(0x001C >> 1)
     22 #define SDHI_RSP02			(0x0020 >> 1)
     23 #define SDHI_RSP03			(0x0024 >> 1)
     24 #define SDHI_RSP04			(0x0028 >> 1)
     25 #define SDHI_RSP05			(0x002C >> 1)
     26 #define SDHI_RSP06			(0x0030 >> 1)
     27 #define SDHI_RSP07			(0x0034 >> 1)
     28 #define SDHI_INFO1			(0x0038 >> 1)
     29 #define SDHI_INFO2			(0x003C >> 1)
     30 #define SDHI_INFO1_MASK			(0x0040 >> 1)
     31 #define SDHI_INFO2_MASK			(0x0044 >> 1)
     32 #define SDHI_CLK_CTRL			(0x0048 >> 1)
     33 #define SDHI_SIZE			(0x004C >> 1)
     34 #define SDHI_OPTION			(0x0050 >> 1)
     35 #define SDHI_ERR_STS1			(0x0058 >> 1)
     36 #define SDHI_ERR_STS2			(0x005C >> 1)
     37 #define SDHI_BUF0			(0x0060 >> 1)
     38 #define SDHI_SDIO_MODE			(0x0068 >> 1)
     39 #define SDHI_SDIO_INFO1			(0x006C >> 1)
     40 #define SDHI_SDIO_INFO1_MASK		(0x0070 >> 1)
     41 #define SDHI_CC_EXT_MODE		(0x01B0 >> 1)
     42 #define SDHI_SOFT_RST			(0x01C0 >> 1)
     43 #define SDHI_VERSION			(0x01C4 >> 1)
     44 #define SDHI_HOST_MODE			(0x01C8 >> 1)
     45 #define SDHI_SDIF_MODE			(0x01CC >> 1)
     46 #define SDHI_EXT_SWAP			(0x01E0 >> 1)
     47 #define SDHI_SD_DMACR			(0x0324 >> 1)
     48 
     49 /* SDHI CMD VALUE */
     50 #define CMD_MASK			0x0000ffff
     51 
     52 /* SDHI_PORTSEL */
     53 #define USE_1PORT			(1 << 8) /* 1 port */
     54 
     55 /* SDHI_ARG */
     56 #define ARG0_MASK			0x0000ffff
     57 #define ARG1_MASK			0x0000ffff
     58 
     59 /* SDHI_STOP */
     60 #define STOP_SEC_ENABLE			(1 << 8)
     61 
     62 /* SDHI_INFO1 */
     63 #define INFO1_RESP_END			(1 << 0)
     64 #define INFO1_ACCESS_END		(1 << 2)
     65 #define INFO1_CARD_RE			(1 << 3)
     66 #define INFO1_CARD_IN			(1 << 4)
     67 #define INFO1_ISD0CD			(1 << 5)
     68 #define INFO1_WRITE_PRO			(1 << 7)
     69 #define INFO1_DATA3_CARD_RE		(1 << 8)
     70 #define INFO1_DATA3_CARD_IN		(1 << 9)
     71 #define INFO1_DATA3			(1 << 10)
     72 
     73 /* SDHI_INFO2 */
     74 #define INFO2_CMD_ERROR			(1 << 0)
     75 #define INFO2_CRC_ERROR			(1 << 1)
     76 #define INFO2_END_ERROR			(1 << 2)
     77 #define INFO2_TIMEOUT			(1 << 3)
     78 #define INFO2_BUF_ILL_WRITE		(1 << 4)
     79 #define INFO2_BUF_ILL_READ		(1 << 5)
     80 #define INFO2_RESP_TIMEOUT		(1 << 6)
     81 #define INFO2_SDDAT0			(1 << 7)
     82 #define INFO2_BRE_ENABLE		(1 << 8)
     83 #define INFO2_BWE_ENABLE		(1 << 9)
     84 #define INFO2_CBUSY			(1 << 14)
     85 #define INFO2_ILA			(1 << 15)
     86 #define INFO2_ALL_ERR			(0x807f)
     87 
     88 /* SDHI_INFO1_MASK */
     89 #define INFO1M_RESP_END			(1 << 0)
     90 #define INFO1M_ACCESS_END		(1 << 2)
     91 #define INFO1M_CARD_RE			(1 << 3)
     92 #define INFO1M_CARD_IN			(1 << 4)
     93 #define INFO1M_DATA3_CARD_RE		(1 << 8)
     94 #define INFO1M_DATA3_CARD_IN		(1 << 9)
     95 #define INFO1M_ALL			(0xffff)
     96 #define INFO1M_SET			(INFO1M_RESP_END |	\
     97 					INFO1M_ACCESS_END |	\
     98 					INFO1M_DATA3_CARD_RE |	\
     99 					INFO1M_DATA3_CARD_IN)
    100 
    101 /* SDHI_INFO2_MASK */
    102 #define INFO2M_CMD_ERROR		(1 << 0)
    103 #define INFO2M_CRC_ERROR		(1 << 1)
    104 #define INFO2M_END_ERROR		(1 << 2)
    105 #define INFO2M_TIMEOUT			(1 << 3)
    106 #define INFO2M_BUF_ILL_WRITE		(1 << 4)
    107 #define INFO2M_BUF_ILL_READ		(1 << 5)
    108 #define INFO2M_RESP_TIMEOUT		(1 << 6)
    109 #define INFO2M_BRE_ENABLE		(1 << 8)
    110 #define INFO2M_BWE_ENABLE		(1 << 9)
    111 #define INFO2M_ILA			(1 << 15)
    112 #define INFO2M_ALL			(0xffff)
    113 #define INFO2M_ALL_ERR			(0x807f)
    114 
    115 /* SDHI_CLK_CTRL */
    116 #define CLK_ENABLE			(1 << 8)
    117 
    118 /* SDHI_OPTION */
    119 #define OPT_BUS_WIDTH_M			(5 << 13)	/* 101b (15-13bit) */
    120 #define OPT_BUS_WIDTH_1			(4 << 13)	/* bus width = 1 bit */
    121 #define OPT_BUS_WIDTH_4			(0 << 13)	/* bus width = 4 bit */
    122 #define OPT_BUS_WIDTH_8			(1 << 13)	/* bus width = 8 bit */
    123 
    124 /* SDHI_ERR_STS1 */
    125 #define ERR_STS1_CRC_ERROR		((1 << 11) | (1 << 10) | (1 << 9) | \
    126 					(1 << 8) | (1 << 5))
    127 #define ERR_STS1_CMD_ERROR		((1 << 4) | (1 << 3) | (1 << 2) | \
    128 					(1 << 1) | (1 << 0))
    129 
    130 /* SDHI_ERR_STS2 */
    131 #define ERR_STS2_RES_TIMEOUT		(1 << 0)
    132 #define ERR_STS2_RES_STOP_TIMEOUT	((1 << 0) | (1 << 1))
    133 #define ERR_STS2_SYS_ERROR		((1 << 6) | (1 << 5) | (1 << 4) | \
    134 					(1 << 3) | (1 << 2) | (1 << 1) | \
    135 					(1 << 0))
    136 
    137 /* SDHI_SDIO_MODE */
    138 #define SDIO_MODE_ON			(1 << 0)
    139 #define SDIO_MODE_OFF			(0 << 0)
    140 
    141 /* SDHI_SDIO_INFO1 */
    142 #define SDIO_INFO1_IOIRQ		(1 << 0)
    143 #define SDIO_INFO1_EXPUB52		(1 << 14)
    144 #define SDIO_INFO1_EXWT			(1 << 15)
    145 
    146 /* SDHI_SDIO_INFO1_MASK */
    147 #define SDIO_INFO1M_CLEAR		((1 << 1) | (1 << 2))
    148 #define SDIO_INFO1M_ON			((1 << 15) | (1 << 14) | (1 << 2) | \
    149 					 (1 << 1) | (1 << 0))
    150 
    151 /* SDHI_EXT_SWAP */
    152 #define SET_SWAP			((1 << 6) | (1 << 7))	/* SWAP */
    153 
    154 /* SDHI_SOFT_RST */
    155 #define SOFT_RST_ON			(0 << 0)
    156 #define SOFT_RST_OFF			(1 << 0)
    157 
    158 #define	CLKDEV_SD_DATA			25000000	/* 25 MHz */
    159 #define CLKDEV_HS_DATA			50000000	/* 50 MHz */
    160 #define CLKDEV_MMC_DATA			20000000	/* 20MHz */
    161 #define	CLKDEV_INIT			400000		/* 100 - 400 KHz */
    162 
    163 /* For quirk */
    164 #define SH_SDHI_QUIRK_16BIT_BUF		BIT(0)
    165 #define SH_SDHI_QUIRK_64BIT_BUF		BIT(1)
    166 
    167 int sh_sdhi_init(unsigned long addr, int ch, unsigned long quirks);
    168 
    169 #endif /* _SH_SDHI_H */
    170