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au1100_mmc.h

/*
 * BRIEF MODULE DESCRIPTION
 *    Defines for using the MMC/SD controllers on the
 *      Alchemy Au1100 mips processor.
 *
 * Copyright (c) 2003 Embedded Edge, LLC.
 * Author: Embedded Edge, LLC.
 *          dan@embeddededge.com or tim@embeddededge.com
 *
 *  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  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *  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.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */
/*
 * AU1100 MMC/SD definitions.
 *
 * From "AMD Alchemy Solutions Au1100 Processor Data Book - Preliminary"
 *    June, 2003
 */

#ifndef __ASM_AU1100_MMC_H
#define __ASM_AU1100_MMC_H

#include <linux/leds.h>

struct au1xmmc_platform_data {
      int(*cd_setup)(void *mmc_host, int on);
      int(*card_inserted)(void *mmc_host);
      int(*card_readonly)(void *mmc_host);
      void(*set_power)(void *mmc_host, int state);
      struct led_classdev *led;
};

#define SD0_BASE  0xB0600000
#define SD1_BASE  0xB0680000


/*
 *  Register offsets.
 */
#define SD_TXPORT (0x0000)
#define SD_RXPORT (0x0004)
#define SD_CONFIG (0x0008)
#define SD_ENABLE (0x000C)
#define SD_CONFIG2      (0x0010)
#define SD_BLKSIZE      (0x0014)
#define SD_STATUS (0x0018)
#define SD_DEBUG  (0x001C)
#define SD_CMD          (0x0020)
#define SD_CMDARG (0x0024)
#define SD_RESP3  (0x0028)
#define SD_RESP2  (0x002C)
#define SD_RESP1  (0x0030)
#define SD_RESP0  (0x0034)
#define SD_TIMEOUT      (0x0038)


/*
 *  SD_TXPORT bit definitions.
 */
#define SD_TXPORT_TXD   (0x000000ff)


/*
 *  SD_RXPORT bit definitions.
 */
#define SD_RXPORT_RXD   (0x000000ff)


/*
 *  SD_CONFIG bit definitions.
 */
#define SD_CONFIG_DIV   (0x000001ff)
#define SD_CONFIG_DE    (0x00000200)
#define SD_CONFIG_NE    (0x00000400)
#define SD_CONFIG_TU    (0x00000800)
#define SD_CONFIG_TO    (0x00001000)
#define SD_CONFIG_RU    (0x00002000)
#define SD_CONFIG_RO    (0x00004000)
#define SD_CONFIG_I     (0x00008000)
#define SD_CONFIG_CR    (0x00010000)
#define SD_CONFIG_RAT   (0x00020000)
#define SD_CONFIG_DD    (0x00040000)
#define SD_CONFIG_DT    (0x00080000)
#define SD_CONFIG_SC    (0x00100000)
#define SD_CONFIG_RC    (0x00200000)
#define SD_CONFIG_WC    (0x00400000)
#define SD_CONFIG_xxx   (0x00800000)
#define SD_CONFIG_TH    (0x01000000)
#define SD_CONFIG_TE    (0x02000000)
#define SD_CONFIG_TA    (0x04000000)
#define SD_CONFIG_RH    (0x08000000)
#define SD_CONFIG_RA    (0x10000000)
#define SD_CONFIG_RF    (0x20000000)
#define SD_CONFIG_CD    (0x40000000)
#define SD_CONFIG_SI    (0x80000000)


/*
 *  SD_ENABLE bit definitions.
 */
#define SD_ENABLE_CE    (0x00000001)
#define SD_ENABLE_R     (0x00000002)


/*
 *  SD_CONFIG2 bit definitions.
 */
#define SD_CONFIG2_EN   (0x00000001)
#define SD_CONFIG2_FF   (0x00000002)
#define SD_CONFIG2_xx1  (0x00000004)
#define SD_CONFIG2_DF   (0x00000008)
#define SD_CONFIG2_DC   (0x00000010)
#define SD_CONFIG2_xx2  (0x000000e0)
#define SD_CONFIG2_WB   (0x00000100)
#define SD_CONFIG2_RW   (0x00000200)


/*
 *  SD_BLKSIZE bit definitions.
 */
#define SD_BLKSIZE_BS   (0x000007ff)
#define SD_BLKSIZE_BS_SHIFT    (0)
#define SD_BLKSIZE_BC   (0x01ff0000)
#define SD_BLKSIZE_BC_SHIFT   (16)


/*
 *  SD_STATUS bit definitions.
 */
#define SD_STATUS_DCRCW (0x00000007)
#define SD_STATUS_xx1   (0x00000008)
#define SD_STATUS_CB    (0x00000010)
#define SD_STATUS_DB    (0x00000020)
#define SD_STATUS_CF    (0x00000040)
#define SD_STATUS_D3    (0x00000080)
#define SD_STATUS_xx2   (0x00000300)
#define SD_STATUS_NE    (0x00000400)
#define SD_STATUS_TU    (0x00000800)
#define SD_STATUS_TO    (0x00001000)
#define SD_STATUS_RU    (0x00002000)
#define SD_STATUS_RO    (0x00004000)
#define SD_STATUS_I     (0x00008000)
#define SD_STATUS_CR    (0x00010000)
#define SD_STATUS_RAT   (0x00020000)
#define SD_STATUS_DD    (0x00040000)
#define SD_STATUS_DT    (0x00080000)
#define SD_STATUS_SC    (0x00100000)
#define SD_STATUS_RC    (0x00200000)
#define SD_STATUS_WC    (0x00400000)
#define SD_STATUS_xx3   (0x00800000)
#define SD_STATUS_TH    (0x01000000)
#define SD_STATUS_TE    (0x02000000)
#define SD_STATUS_TA    (0x04000000)
#define SD_STATUS_RH    (0x08000000)
#define SD_STATUS_RA    (0x10000000)
#define SD_STATUS_RF    (0x20000000)
#define SD_STATUS_CD    (0x40000000)
#define SD_STATUS_SI    (0x80000000)


/*
 *  SD_CMD bit definitions.
 */
#define SD_CMD_GO (0x00000001)
#define SD_CMD_RY (0x00000002)
#define SD_CMD_xx1      (0x0000000c)
#define SD_CMD_CT_MASK  (0x000000f0)
#define SD_CMD_CT_0     (0x00000000)
#define SD_CMD_CT_1     (0x00000010)
#define SD_CMD_CT_2     (0x00000020)
#define SD_CMD_CT_3     (0x00000030)
#define SD_CMD_CT_4     (0x00000040)
#define SD_CMD_CT_5     (0x00000050)
#define SD_CMD_CT_6     (0x00000060)
#define SD_CMD_CT_7     (0x00000070)
#define SD_CMD_CI (0x0000ff00)
#define SD_CMD_CI_SHIFT       (8)
#define SD_CMD_RT_MASK  (0x00ff0000)
#define SD_CMD_RT_0     (0x00000000)
#define SD_CMD_RT_1     (0x00010000)
#define SD_CMD_RT_2     (0x00020000)
#define SD_CMD_RT_3     (0x00030000)
#define SD_CMD_RT_4     (0x00040000)
#define SD_CMD_RT_5     (0x00050000)
#define SD_CMD_RT_6     (0x00060000)
#define SD_CMD_RT_1B    (0x00810000)


#endif /* __ASM_AU1100_MMC_H */


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