include/asm-mips/mach-au1x00/au1xxx_ide.h - third_party/linux - Git at Google

 /*
  * include/asm-mips/mach-au1x00/au1xxx_ide.h  version 01.30.00   Aug. 02 2005
  *
  * BRIEF MODULE DESCRIPTION
  * AMD Alchemy Au1xxx IDE interface routines over the Static Bus
  *
  * Copyright (c) 2003-2005 AMD, Personal Connectivity Solutions
  *
  * 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.
  *
  * Note: for more information, please refer "AMD Alchemy Au1200/Au1550 IDE
  *       Interface and Linux Device Driver" Application Note.
  */

 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
         #define DMA_WAIT_TIMEOUT        100
         #define NUM_DESCRIPTORS         PRD_ENTRIES
 #else /* CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA */
         #define NUM_DESCRIPTORS         2
 #endif

 #ifndef AU1XXX_ATA_RQSIZE
         #define AU1XXX_ATA_RQSIZE       128
 #endif

 /* Disable Burstable-Support for DBDMA */
 #ifndef CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON
         #define CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON  0
 #endif

 #ifdef CONFIG_PM
 /*
 * This will enable the device to be powered up when write() or read()
 * is called. If this is not defined, the driver will return -EBUSY.
 */
 #define WAKE_ON_ACCESS 1

 typedef struct
 {
         spinlock_t         lock;       /* Used to block on state transitions */
         au1xxx_power_dev_t *dev;       /* Power Managers device structure */
         unsigned	   stopped;    /* USed to signaling device is stopped */
 } pm_state;
 #endif


 typedef struct
 {
         u32                     tx_dev_id, rx_dev_id, target_dev_id;
         u32                     tx_chan, rx_chan;
         void                    *tx_desc_head, *rx_desc_head;
         ide_hwif_t              *hwif;
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
         ide_drive_t             *drive;
         u8                      white_list, black_list;
         struct dbdma_cmd        *dma_table_cpu;
         dma_addr_t              dma_table_dma;
 #endif
 	int			irq;
 	u32			regbase;
 #ifdef CONFIG_PM
         pm_state                pm;
 #endif
 } _auide_hwif;

 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
 /* HD white list */
 static const struct drive_list_entry dma_white_list [] = {
 /*
  * Hitachi
  */
         { "HITACHI_DK14FA-20"    ,       NULL            },
         { "HTS726060M9AT00"      ,       NULL            },
 /*
  * Maxtor
  */
         { "Maxtor 6E040L0"      ,       NULL            },
         { "Maxtor 6Y080P0"      ,       NULL            },
         { "Maxtor 6Y160P0"      ,       NULL            },
 /*
  * Seagate
  */
         { "ST3120026A"          ,       NULL            },
         { "ST320014A"           ,       NULL            },
         { "ST94011A"            ,       NULL            },
         { "ST340016A"           ,       NULL            },
 /*
  * Western Digital
  */
         { "WDC WD400UE-00HCT0"  ,       NULL            },
         { "WDC WD400JB-00JJC0"  ,       NULL            },
         { NULL                  ,       NULL            }
 };

 /* HD black list */
 static const struct drive_list_entry dma_black_list [] = {
 /*
  * Western Digital
  */
         { "WDC WD100EB-00CGH0"  ,       NULL            },
         { "WDC WD200BB-00AUA1"  ,       NULL            },
         { "WDC AC24300L"        ,       NULL            },
         { NULL                  ,       NULL            }
 };
 #endif

 /* function prototyping */
 u8 auide_inb(unsigned long port);
 u16 auide_inw(unsigned long port);
 u32 auide_inl(unsigned long port);
 void auide_insw(unsigned long port, void *addr, u32 count);
 void auide_insl(unsigned long port, void *addr, u32 count);
 void auide_outb(u8 addr, unsigned long port);
 void auide_outbsync(ide_drive_t *drive, u8 addr, unsigned long port);
 void auide_outw(u16 addr, unsigned long port);
 void auide_outl(u32 addr, unsigned long port);
 void auide_outsw(unsigned long port, void *addr, u32 count);
 void auide_outsl(unsigned long port, void *addr, u32 count);
 static void auide_tune_drive(ide_drive_t *drive, byte pio);
 static int auide_tune_chipset(ide_drive_t *drive, u8 speed);
 static int auide_ddma_init( _auide_hwif *auide );
 static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif);
 int __init auide_probe(void);

 /*******************************************************************************
 * PIO Mode timing calculation :                                                *
 *                                                                              *
 * Static Bus Spec   ATA Spec                                                   *
 *      Tcsoe      =   t1                                                       *
 *      Toecs      =   t9                                                       *
 *      Twcs       =   t9                                                       *
 *      Tcsh       =   t2i | t2                                                 *
 *      Tcsoff     =   t2i | t2                                                 *
 *      Twp        =   t2                                                       *
 *      Tcsw       =   t1                                                       *
 *      Tpm        =   0                                                        *
 *      Ta         =   t1+t2                                                    *
 *******************************************************************************/

 #define TCSOE_MASK            (0x07<<29)
 #define TOECS_MASK            (0x07<<26)
 #define TWCS_MASK             (0x07<<28)
 #define TCSH_MASK             (0x0F<<24)
 #define TCSOFF_MASK           (0x07<<20)
 #define TWP_MASK              (0x3F<<14)
 #define TCSW_MASK             (0x0F<<10)
 #define TPM_MASK              (0x0F<<6)
 #define TA_MASK               (0x3F<<0)
 #define TS_MASK               (1<<8)

 /* Timing parameters PIO mode 0 */
 #define SBC_IDE_PIO0_TCSOE    (0x04<<29)
 #define SBC_IDE_PIO0_TOECS    (0x01<<26)
 #define SBC_IDE_PIO0_TWCS     (0x02<<28)
 #define SBC_IDE_PIO0_TCSH     (0x08<<24)
 #define SBC_IDE_PIO0_TCSOFF   (0x07<<20)
 #define SBC_IDE_PIO0_TWP      (0x10<<14)
 #define SBC_IDE_PIO0_TCSW     (0x04<<10)
 #define SBC_IDE_PIO0_TPM      (0x0<<6)
 #define SBC_IDE_PIO0_TA       (0x15<<0)
 /* Timing parameters PIO mode 1 */
 #define SBC_IDE_PIO1_TCSOE    (0x03<<29)
 #define SBC_IDE_PIO1_TOECS    (0x01<<26)
 #define SBC_IDE_PIO1_TWCS     (0x01<<28)
 #define SBC_IDE_PIO1_TCSH     (0x06<<24)
 #define SBC_IDE_PIO1_TCSOFF   (0x06<<20)
 #define SBC_IDE_PIO1_TWP      (0x08<<14)
 #define SBC_IDE_PIO1_TCSW     (0x03<<10)
 #define SBC_IDE_PIO1_TPM      (0x00<<6)
 #define SBC_IDE_PIO1_TA       (0x0B<<0)
 /* Timing parameters PIO mode 2 */
 #define SBC_IDE_PIO2_TCSOE    (0x05<<29)
 #define SBC_IDE_PIO2_TOECS    (0x01<<26)
 #define SBC_IDE_PIO2_TWCS     (0x01<<28)
 #define SBC_IDE_PIO2_TCSH     (0x07<<24)
 #define SBC_IDE_PIO2_TCSOFF   (0x07<<20)
 #define SBC_IDE_PIO2_TWP      (0x1F<<14)
 #define SBC_IDE_PIO2_TCSW     (0x05<<10)
 #define SBC_IDE_PIO2_TPM      (0x00<<6)
 #define SBC_IDE_PIO2_TA       (0x22<<0)
 /* Timing parameters PIO mode 3 */
 #define SBC_IDE_PIO3_TCSOE    (0x05<<29)
 #define SBC_IDE_PIO3_TOECS    (0x01<<26)
 #define SBC_IDE_PIO3_TWCS     (0x01<<28)
 #define SBC_IDE_PIO3_TCSH     (0x0D<<24)
 #define SBC_IDE_PIO3_TCSOFF   (0x0D<<20)
 #define SBC_IDE_PIO3_TWP      (0x15<<14)
 #define SBC_IDE_PIO3_TCSW     (0x05<<10)
 #define SBC_IDE_PIO3_TPM      (0x00<<6)
 #define SBC_IDE_PIO3_TA       (0x1A<<0)
 /* Timing parameters PIO mode 4 */
 #define SBC_IDE_PIO4_TCSOE    (0x04<<29)
 #define SBC_IDE_PIO4_TOECS    (0x01<<26)
 #define SBC_IDE_PIO4_TWCS     (0x01<<28)
 #define SBC_IDE_PIO4_TCSH     (0x04<<24)
 #define SBC_IDE_PIO4_TCSOFF   (0x04<<20)
 #define SBC_IDE_PIO4_TWP      (0x0D<<14)
 #define SBC_IDE_PIO4_TCSW     (0x03<<10)
 #define SBC_IDE_PIO4_TPM      (0x00<<6)
 #define SBC_IDE_PIO4_TA       (0x12<<0)
 /* Timing parameters MDMA mode 0 */
 #define SBC_IDE_MDMA0_TCSOE   (0x03<<29)
 #define SBC_IDE_MDMA0_TOECS   (0x01<<26)
 #define SBC_IDE_MDMA0_TWCS    (0x01<<28)
 #define SBC_IDE_MDMA0_TCSH    (0x07<<24)
 #define SBC_IDE_MDMA0_TCSOFF  (0x07<<20)
 #define SBC_IDE_MDMA0_TWP     (0x0C<<14)
 #define SBC_IDE_MDMA0_TCSW    (0x03<<10)
 #define SBC_IDE_MDMA0_TPM     (0x00<<6)
 #define SBC_IDE_MDMA0_TA      (0x0F<<0)
 /* Timing parameters MDMA mode 1 */
 #define SBC_IDE_MDMA1_TCSOE   (0x05<<29)
 #define SBC_IDE_MDMA1_TOECS   (0x01<<26)
 #define SBC_IDE_MDMA1_TWCS    (0x01<<28)
 #define SBC_IDE_MDMA1_TCSH    (0x05<<24)
 #define SBC_IDE_MDMA1_TCSOFF  (0x05<<20)
 #define SBC_IDE_MDMA1_TWP     (0x0F<<14)
 #define SBC_IDE_MDMA1_TCSW    (0x05<<10)
 #define SBC_IDE_MDMA1_TPM     (0x00<<6)
 #define SBC_IDE_MDMA1_TA      (0x15<<0)
 /* Timing parameters MDMA mode 2 */
 #define SBC_IDE_MDMA2_TCSOE   (0x04<<29)
 #define SBC_IDE_MDMA2_TOECS   (0x01<<26)
 #define SBC_IDE_MDMA2_TWCS    (0x01<<28)
 #define SBC_IDE_MDMA2_TCSH    (0x04<<24)
 #define SBC_IDE_MDMA2_TCSOFF  (0x04<<20)
 #define SBC_IDE_MDMA2_TWP     (0x0D<<14)
 #define SBC_IDE_MDMA2_TCSW    (0x04<<10)
 #define SBC_IDE_MDMA2_TPM     (0x00<<6)
 #define SBC_IDE_MDMA2_TA      (0x12<<0)

 #define SBC_IDE_TIMING(mode) \
          SBC_IDE_##mode##_TWCS | \
          SBC_IDE_##mode##_TCSH | \
          SBC_IDE_##mode##_TCSOFF | \
          SBC_IDE_##mode##_TWP | \
          SBC_IDE_##mode##_TCSW | \
          SBC_IDE_##mode##_TPM | \
          SBC_IDE_##mode##_TA
	/*
	* include/asm-mips/mach-au1x00/au1xxx_ide.h version 01.30.00 Aug. 02 2005
	*
	* BRIEF MODULE DESCRIPTION
	* AMD Alchemy Au1xxx IDE interface routines over the Static Bus
	*
	* Copyright (c) 2003-2005 AMD, Personal Connectivity Solutions
	*
	* 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.
	*
	* Note: for more information, please refer "AMD Alchemy Au1200/Au1550 IDE
	* Interface and Linux Device Driver" Application Note.
	*/

	#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
	#define DMA_WAIT_TIMEOUT 100
	#define NUM_DESCRIPTORS PRD_ENTRIES
	#else /* CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA */
	#define NUM_DESCRIPTORS 2
	#endif

	#ifndef AU1XXX_ATA_RQSIZE
	#define AU1XXX_ATA_RQSIZE 128
	#endif

	/* Disable Burstable-Support for DBDMA */
	#ifndef CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON
	#define CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON 0
	#endif

	#ifdef CONFIG_PM
	/*
	* This will enable the device to be powered up when write() or read()
	* is called. If this is not defined, the driver will return -EBUSY.
	*/
	#define WAKE_ON_ACCESS 1

	typedef struct
	{
	spinlock_t lock; /* Used to block on state transitions */
	au1xxx_power_dev_t dev; / Power Managers device structure */
	unsigned stopped; /* USed to signaling device is stopped */
	} pm_state;
	#endif


	typedef struct
	{
	u32 tx_dev_id, rx_dev_id, target_dev_id;
	u32 tx_chan, rx_chan;
	void tx_desc_head, rx_desc_head;
	ide_hwif_t *hwif;
	#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
	ide_drive_t *drive;
	u8 white_list, black_list;
	struct dbdma_cmd *dma_table_cpu;
	dma_addr_t dma_table_dma;
	#endif
	int irq;
	u32 regbase;
	#ifdef CONFIG_PM
	pm_state pm;
	#endif
	} _auide_hwif;

	#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
	/* HD white list */
	static const struct drive_list_entry dma_white_list [] = {
	/*
	* Hitachi
	*/
	{ "HITACHI_DK14FA-20" , NULL },
	{ "HTS726060M9AT00" , NULL },
	/*
	* Maxtor
	*/
	{ "Maxtor 6E040L0" , NULL },
	{ "Maxtor 6Y080P0" , NULL },
	{ "Maxtor 6Y160P0" , NULL },
	/*
	* Seagate
	*/
	{ "ST3120026A" , NULL },
	{ "ST320014A" , NULL },
	{ "ST94011A" , NULL },
	{ "ST340016A" , NULL },
	/*
	* Western Digital
	*/
	{ "WDC WD400UE-00HCT0" , NULL },
	{ "WDC WD400JB-00JJC0" , NULL },
	{ NULL , NULL }
	};

	/* HD black list */
	static const struct drive_list_entry dma_black_list [] = {
	/*
	* Western Digital
	*/
	{ "WDC WD100EB-00CGH0" , NULL },
	{ "WDC WD200BB-00AUA1" , NULL },
	{ "WDC AC24300L" , NULL },
	{ NULL , NULL }
	};
	#endif

	/* function prototyping */
	u8 auide_inb(unsigned long port);
	u16 auide_inw(unsigned long port);
	u32 auide_inl(unsigned long port);
	void auide_insw(unsigned long port, void *addr, u32 count);
	void auide_insl(unsigned long port, void *addr, u32 count);
	void auide_outb(u8 addr, unsigned long port);
	void auide_outbsync(ide_drive_t *drive, u8 addr, unsigned long port);
	void auide_outw(u16 addr, unsigned long port);
	void auide_outl(u32 addr, unsigned long port);
	void auide_outsw(unsigned long port, void *addr, u32 count);
	void auide_outsl(unsigned long port, void *addr, u32 count);
	static void auide_tune_drive(ide_drive_t *drive, byte pio);
	static int auide_tune_chipset(ide_drive_t *drive, u8 speed);
	static int auide_ddma_init( _auide_hwif *auide );
	static void auide_setup_ports(hw_regs_t hw, _auide_hwif ahwif);
	int __init auide_probe(void);

	/*******************************************************************************
	* PIO Mode timing calculation : *
	* *
	* Static Bus Spec ATA Spec *
	* Tcsoe = t1 *
	* Toecs = t9 *
	* Twcs = t9 *
	* Tcsh = t2i \| t2 *
	* Tcsoff = t2i \| t2 *
	* Twp = t2 *
	* Tcsw = t1 *
	* Tpm = 0 *
	* Ta = t1+t2 *
	*******************************************************************************/

	#define TCSOE_MASK (0x07<<29)
	#define TOECS_MASK (0x07<<26)
	#define TWCS_MASK (0x07<<28)
	#define TCSH_MASK (0x0F<<24)
	#define TCSOFF_MASK (0x07<<20)
	#define TWP_MASK (0x3F<<14)
	#define TCSW_MASK (0x0F<<10)
	#define TPM_MASK (0x0F<<6)
	#define TA_MASK (0x3F<<0)
	#define TS_MASK (1<<8)

	/* Timing parameters PIO mode 0 */
	#define SBC_IDE_PIO0_TCSOE (0x04<<29)
	#define SBC_IDE_PIO0_TOECS (0x01<<26)
	#define SBC_IDE_PIO0_TWCS (0x02<<28)
	#define SBC_IDE_PIO0_TCSH (0x08<<24)
	#define SBC_IDE_PIO0_TCSOFF (0x07<<20)
	#define SBC_IDE_PIO0_TWP (0x10<<14)
	#define SBC_IDE_PIO0_TCSW (0x04<<10)
	#define SBC_IDE_PIO0_TPM (0x0<<6)
	#define SBC_IDE_PIO0_TA (0x15<<0)
	/* Timing parameters PIO mode 1 */
	#define SBC_IDE_PIO1_TCSOE (0x03<<29)
	#define SBC_IDE_PIO1_TOECS (0x01<<26)
	#define SBC_IDE_PIO1_TWCS (0x01<<28)
	#define SBC_IDE_PIO1_TCSH (0x06<<24)
	#define SBC_IDE_PIO1_TCSOFF (0x06<<20)
	#define SBC_IDE_PIO1_TWP (0x08<<14)
	#define SBC_IDE_PIO1_TCSW (0x03<<10)
	#define SBC_IDE_PIO1_TPM (0x00<<6)
	#define SBC_IDE_PIO1_TA (0x0B<<0)
	/* Timing parameters PIO mode 2 */
	#define SBC_IDE_PIO2_TCSOE (0x05<<29)
	#define SBC_IDE_PIO2_TOECS (0x01<<26)
	#define SBC_IDE_PIO2_TWCS (0x01<<28)
	#define SBC_IDE_PIO2_TCSH (0x07<<24)
	#define SBC_IDE_PIO2_TCSOFF (0x07<<20)
	#define SBC_IDE_PIO2_TWP (0x1F<<14)
	#define SBC_IDE_PIO2_TCSW (0x05<<10)
	#define SBC_IDE_PIO2_TPM (0x00<<6)
	#define SBC_IDE_PIO2_TA (0x22<<0)
	/* Timing parameters PIO mode 3 */
	#define SBC_IDE_PIO3_TCSOE (0x05<<29)
	#define SBC_IDE_PIO3_TOECS (0x01<<26)
	#define SBC_IDE_PIO3_TWCS (0x01<<28)
	#define SBC_IDE_PIO3_TCSH (0x0D<<24)
	#define SBC_IDE_PIO3_TCSOFF (0x0D<<20)
	#define SBC_IDE_PIO3_TWP (0x15<<14)
	#define SBC_IDE_PIO3_TCSW (0x05<<10)
	#define SBC_IDE_PIO3_TPM (0x00<<6)
	#define SBC_IDE_PIO3_TA (0x1A<<0)
	/* Timing parameters PIO mode 4 */
	#define SBC_IDE_PIO4_TCSOE (0x04<<29)
	#define SBC_IDE_PIO4_TOECS (0x01<<26)
	#define SBC_IDE_PIO4_TWCS (0x01<<28)
	#define SBC_IDE_PIO4_TCSH (0x04<<24)
	#define SBC_IDE_PIO4_TCSOFF (0x04<<20)
	#define SBC_IDE_PIO4_TWP (0x0D<<14)
	#define SBC_IDE_PIO4_TCSW (0x03<<10)
	#define SBC_IDE_PIO4_TPM (0x00<<6)
	#define SBC_IDE_PIO4_TA (0x12<<0)
	/* Timing parameters MDMA mode 0 */
	#define SBC_IDE_MDMA0_TCSOE (0x03<<29)
	#define SBC_IDE_MDMA0_TOECS (0x01<<26)
	#define SBC_IDE_MDMA0_TWCS (0x01<<28)
	#define SBC_IDE_MDMA0_TCSH (0x07<<24)
	#define SBC_IDE_MDMA0_TCSOFF (0x07<<20)
	#define SBC_IDE_MDMA0_TWP (0x0C<<14)
	#define SBC_IDE_MDMA0_TCSW (0x03<<10)
	#define SBC_IDE_MDMA0_TPM (0x00<<6)
	#define SBC_IDE_MDMA0_TA (0x0F<<0)
	/* Timing parameters MDMA mode 1 */
	#define SBC_IDE_MDMA1_TCSOE (0x05<<29)
	#define SBC_IDE_MDMA1_TOECS (0x01<<26)
	#define SBC_IDE_MDMA1_TWCS (0x01<<28)
	#define SBC_IDE_MDMA1_TCSH (0x05<<24)
	#define SBC_IDE_MDMA1_TCSOFF (0x05<<20)
	#define SBC_IDE_MDMA1_TWP (0x0F<<14)
	#define SBC_IDE_MDMA1_TCSW (0x05<<10)
	#define SBC_IDE_MDMA1_TPM (0x00<<6)
	#define SBC_IDE_MDMA1_TA (0x15<<0)
	/* Timing parameters MDMA mode 2 */
	#define SBC_IDE_MDMA2_TCSOE (0x04<<29)
	#define SBC_IDE_MDMA2_TOECS (0x01<<26)
	#define SBC_IDE_MDMA2_TWCS (0x01<<28)
	#define SBC_IDE_MDMA2_TCSH (0x04<<24)
	#define SBC_IDE_MDMA2_TCSOFF (0x04<<20)
	#define SBC_IDE_MDMA2_TWP (0x0D<<14)
	#define SBC_IDE_MDMA2_TCSW (0x04<<10)
	#define SBC_IDE_MDMA2_TPM (0x00<<6)
	#define SBC_IDE_MDMA2_TA (0x12<<0)

	#define SBC_IDE_TIMING(mode) \
	SBC_IDE_##mode##_TWCS \| \
	SBC_IDE_##mode##_TCSH \| \
	SBC_IDE_##mode##_TCSOFF \| \
	SBC_IDE_##mode##_TWP \| \
	SBC_IDE_##mode##_TCSW \| \
	SBC_IDE_##mode##_TPM \| \
	SBC_IDE_##mode##_TA