mvsdio.h

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/*
 *  Copyright (C) 2008 Marvell Semiconductors, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef __MVSDIO_H
#define __MVSDIO_H

/*
 * Clock rates
 */

#define MVSD_CLOCKRATE_MAX          50000000
#define MVSD_BASE_DIV_MAX           0x7ff


/*
 * Register offsets
 */

#define MVSD_SYS_ADDR_LOW           0x000
#define MVSD_SYS_ADDR_HI            0x004
#define MVSD_BLK_SIZE               0x008
#define MVSD_BLK_COUNT              0x00c
#define MVSD_ARG_LOW                0x010
#define MVSD_ARG_HI             0x014
#define MVSD_XFER_MODE              0x018
#define MVSD_CMD                0x01c
#define MVSD_RSP(i)             (0x020 + ((i)<<2))
#define MVSD_RSP0               0x020
#define MVSD_RSP1               0x024
#define MVSD_RSP2               0x028
#define MVSD_RSP3               0x02c
#define MVSD_RSP4               0x030
#define MVSD_RSP5               0x034
#define MVSD_RSP6               0x038
#define MVSD_RSP7               0x03c
#define MVSD_FIFO               0x040
#define MVSD_RSP_CRC7               0x044
#define MVSD_HW_STATE               0x048
#define MVSD_HOST_CTRL              0x050
#define MVSD_BLK_GAP_CTRL           0x054
#define MVSD_CLK_CTRL               0x058
#define MVSD_SW_RESET               0x05c
#define MVSD_NOR_INTR_STATUS            0x060
#define MVSD_ERR_INTR_STATUS            0x064
#define MVSD_NOR_STATUS_EN          0x068
#define MVSD_ERR_STATUS_EN          0x06c
#define MVSD_NOR_INTR_EN            0x070
#define MVSD_ERR_INTR_EN            0x074
#define MVSD_AUTOCMD12_ERR_STATUS       0x078
#define MVSD_CURR_BYTE_LEFT         0x07c
#define MVSD_CURR_BLK_LEFT          0x080
#define MVSD_AUTOCMD12_ARG_LOW          0x084
#define MVSD_AUTOCMD12_ARG_HI           0x088
#define MVSD_AUTOCMD12_CMD          0x08c
#define MVSD_AUTO_RSP(i)            (0x090 + ((i)<<2))
#define MVSD_AUTO_RSP0              0x090
#define MVSD_AUTO_RSP1              0x094
#define MVSD_AUTO_RSP2              0x098
#define MVSD_CLK_DIV                0x128

#define MVSD_WINDOW_CTRL(i)         (0x108 + ((i) << 3))
#define MVSD_WINDOW_BASE(i)         (0x10c + ((i) << 3))


/*
 * MVSD_CMD
 */

#define MVSD_CMD_RSP_NONE           (0 << 0)
#define MVSD_CMD_RSP_136            (1 << 0)
#define MVSD_CMD_RSP_48             (2 << 0)
#define MVSD_CMD_RSP_48BUSY         (3 << 0)

#define MVSD_CMD_CHECK_DATACRC16        (1 << 2)
#define MVSD_CMD_CHECK_CMDCRC           (1 << 3)
#define MVSD_CMD_INDX_CHECK         (1 << 4)
#define MVSD_CMD_DATA_PRESENT           (1 << 5)
#define MVSD_UNEXPECTED_RESP            (1 << 7)
#define MVSD_CMD_INDEX(x)           ((x) << 8)


/*
 * MVSD_AUTOCMD12_CMD
 */

#define MVSD_AUTOCMD12_BUSY         (1 << 0)
#define MVSD_AUTOCMD12_INDX_CHECK       (1 << 1)
#define MVSD_AUTOCMD12_INDEX(x)         ((x) << 8)

/*
 * MVSD_XFER_MODE
 */

#define MVSD_XFER_MODE_WR_DATA_START        (1 << 0)
#define MVSD_XFER_MODE_HW_WR_DATA_EN        (1 << 1)
#define MVSD_XFER_MODE_AUTO_CMD12       (1 << 2)
#define MVSD_XFER_MODE_INT_CHK_EN       (1 << 3)
#define MVSD_XFER_MODE_TO_HOST          (1 << 4)
#define MVSD_XFER_MODE_STOP_CLK         (1 << 5)
#define MVSD_XFER_MODE_PIO          (1 << 6)


/*
 * MVSD_HOST_CTRL
 */

#define MVSD_HOST_CTRL_PUSH_PULL_EN         (1 << 0)

#define MVSD_HOST_CTRL_CARD_TYPE_MEM_ONLY   (0 << 1)
#define MVSD_HOST_CTRL_CARD_TYPE_IO_ONLY    (1 << 1)
#define MVSD_HOST_CTRL_CARD_TYPE_IO_MEM_COMBO   (2 << 1)
#define MVSD_HOST_CTRL_CARD_TYPE_IO_MMC     (3 << 1)
#define MVSD_HOST_CTRL_CARD_TYPE_MASK       (3 << 1)

#define MVSD_HOST_CTRL_BIG_ENDIAN       (1 << 3)
#define MVSD_HOST_CTRL_LSB_FIRST        (1 << 4)
#define MVSD_HOST_CTRL_DATA_WIDTH_4_BITS    (1 << 9)
#define MVSD_HOST_CTRL_HI_SPEED_EN      (1 << 10)

#define MVSD_HOST_CTRL_TMOUT_MAX        0xf
#define MVSD_HOST_CTRL_TMOUT_MASK       (0xf << 11)
#define MVSD_HOST_CTRL_TMOUT(x)         ((x) << 11)
#define MVSD_HOST_CTRL_TMOUT_EN         (1 << 15)


/*
 * MVSD_SW_RESET
 */

#define MVSD_SW_RESET_NOW           (1 << 8)


/*
 * Normal interrupt status bits
 */

#define MVSD_NOR_CMD_DONE           (1 << 0)
#define MVSD_NOR_XFER_DONE          (1 << 1)
#define MVSD_NOR_BLK_GAP_EVT            (1 << 2)
#define MVSD_NOR_DMA_DONE           (1 << 3)
#define MVSD_NOR_TX_AVAIL           (1 << 4)
#define MVSD_NOR_RX_READY           (1 << 5)
#define MVSD_NOR_CARD_INT           (1 << 8)
#define MVSD_NOR_READ_WAIT_ON           (1 << 9)
#define MVSD_NOR_RX_FIFO_8W         (1 << 10)
#define MVSD_NOR_TX_FIFO_8W         (1 << 11)
#define MVSD_NOR_SUSPEND_ON         (1 << 12)
#define MVSD_NOR_AUTOCMD12_DONE         (1 << 13)
#define MVSD_NOR_UNEXP_RSP          (1 << 14)
#define MVSD_NOR_ERROR              (1 << 15)


/*
 * Error status bits
 */

#define MVSD_ERR_CMD_TIMEOUT            (1 << 0)
#define MVSD_ERR_CMD_CRC            (1 << 1)
#define MVSD_ERR_CMD_ENDBIT         (1 << 2)
#define MVSD_ERR_CMD_INDEX          (1 << 3)
#define MVSD_ERR_DATA_TIMEOUT           (1 << 4)
#define MVSD_ERR_DATA_CRC           (1 << 5)
#define MVSD_ERR_DATA_ENDBIT            (1 << 6)
#define MVSD_ERR_AUTOCMD12          (1 << 8)
#define MVSD_ERR_CMD_STARTBIT           (1 << 9)
#define MVSD_ERR_XFER_SIZE          (1 << 10)
#define MVSD_ERR_RESP_T_BIT         (1 << 11)
#define MVSD_ERR_CRC_ENDBIT         (1 << 12)
#define MVSD_ERR_CRC_STARTBIT           (1 << 13)
#define MVSD_ERR_CRC_STATUS         (1 << 14)


/*
 * CMD12 error status bits
 */

#define MVSD_AUTOCMD12_ERR_NOTEXE       (1 << 0)
#define MVSD_AUTOCMD12_ERR_TIMEOUT      (1 << 1)
#define MVSD_AUTOCMD12_ERR_CRC          (1 << 2)
#define MVSD_AUTOCMD12_ERR_ENDBIT       (1 << 3)
#define MVSD_AUTOCMD12_ERR_INDEX        (1 << 4)
#define MVSD_AUTOCMD12_ERR_RESP_T_BIT       (1 << 5)
#define MVSD_AUTOCMD12_ERR_RESP_STARTBIT    (1 << 6)

#endif