au1100_mmc.h
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/*
* 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;
unsigned long mask_host_caps;
};
#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_BB (0x00000080)
#define SD_CONFIG2_WB (0x00000100)
#define SD_CONFIG2_RW (0x00000200)
#define SD_CONFIG2_DP (0x00000400)
/*
* 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 */