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pciide_piix_reg.h revision 1.12
      1 /*	$NetBSD: pciide_piix_reg.h,v 1.12 2006/09/03 18:30:35 xtraeme Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 Manuel Bouyer.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Manuel Bouyer.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  *
     31  */
     32 
     33 /*
     34  * Registers definitions for Intel's PIIX serie PCI IDE controllers.
     35  * See Intel's
     36  * "82371FB (PIIX) and 82371SB (PIIX3) PCI ISA IDE XCELERATOR"
     37  * "82371AB PCI-TO-ISA / IDE XCELERATOR (PIIX4)" and
     38  * "Intel 82801AA (ICH) and Intel 82801AB (ICH0) I/O Controller Hub"
     39  * available from http://developers.intel.com/
     40  */
     41 
     42 /*
     43  * Bus master interface base address register
     44  */
     45 #define PIIX_BMIBA 0x20
     46 #define PIIX_BMIBA_ADDR(x) (x & 0x0000FFFF0)
     47 #define PIIX_BMIBA_RTE(x) (x & 0x000000001)
     48 #define PIIX_BMIBA_RTE_IO 0x000000001 /* base addr maps to I/O space */
     49 
     50 /*
     51  * IDE timing register
     52  * 0x40/0x41 is for primary, 0x42/0x43 for secondary channel
     53  */
     54 #define PIIX_IDETIM 0x40
     55 #define PIIX_IDETIM_READ(x, channel) (((x) >> (16 * (channel))) & 0x0000FFFF)
     56 #define PIIX_IDETIM_SET(x, bytes, channel) \
     57 	((x) | ((bytes) << (16 * (channel))))
     58 #define PIIX_IDETIM_CLEAR(x, bytes, channel) \
     59 	((x) & ~((bytes) << (16 * (channel))))
     60 
     61 #define PIIX_IDETIM_IDE		0x8000 /* PIIX decode IDE registers */
     62 #define PIIX_IDETIM_SITRE	0x4000 /* slaves IDE timing registers
     63 					enabled (PIIX3/4 only) */
     64 #define PIIX_IDETIM_ISP_MASK	0x3000 /* IOrdy sample point */
     65 #define PIIX_IDETIM_ISP_SHIFT	12
     66 #define PIIX_IDETIM_ISP_SET(x)	((x) << PIIX_IDETIM_ISP_SHIFT)
     67 #define PIIX_IDETIM_RTC_MASK	0x0300 /* recovery time */
     68 #define PIIX_IDETIM_RTC_SHIFT	8
     69 #define PIIX_IDETIM_RTC_SET(x)	((x) << PIIX_IDETIM_RTC_SHIFT)
     70 #define PIIX_IDETIM_DTE(d)	(0x0008 << (4 * (d))) /* DMA timing only */
     71 #define PIIX_IDETIM_PPE(d)	(0x0004 << (4 * (d))) /* prefetch/posting */
     72 #define PIIX_IDETIM_IE(d)	(0x0002 << (4 * (d))) /* IORDY enable */
     73 #define PIIX_IDETIM_TIME(d)	(0x0001 << (4 * (d))) /* Fast timing enable */
     74 /*
     75  * Slave IDE timing register (PIIX3/4 only)
     76  * This register must be enabled via the PIIX_IDETIM_SITRE bit
     77  */
     78 #define PIIX_SIDETIM 0x44
     79 #define PIIX_SIDETIM_ISP_MASK(channel) (0x0c << ((channel) * 4))
     80 #define PIIX_SIDETIM_ISP_SHIFT	2
     81 #define PIIX_SIDETIM_ISP_SET(x, channel) \
     82 	(x << (PIIX_SIDETIM_ISP_SHIFT + ((channel) * 4)))
     83 #define PIIX_SIDETIM_RTC_MASK(channel) (0x03 << ((channel) * 4))
     84 #define PIIX_SIDETIM_RTC_SHIFT	0
     85 #define PIIX_SIDETIM_RTC_SET(x, channel) \
     86 	(x << (PIIX_SIDETIM_RTC_SHIFT + ((channel) * 4)))
     87 
     88 /*
     89  * Ultra DMA/33 register (PIIX4 only)
     90  */
     91 #define PIIX_UDMAREG 0x48
     92 /* Control register */
     93 #define PIIX_UDMACTL_DRV_EN(channel, drive) (0x01 << ((channel) * 2 + (drive)))
     94 /* Ultra DMA/33 timing register (PIIX4 only) */
     95 #define PIIX_UDMATIM 0x4a
     96 #define PIIX_UDMATIM_SHIFT 16
     97 #define PIIX_UDMATIM_SET(x, channel, drive) \
     98 	(((x) << ((channel * 8) + (drive * 4))) << PIIX_UDMATIM_SHIFT)
     99 
    100 /*
    101  * IDE config register (ICH/ICH0/ICH2 only)
    102  */
    103 #define PIIX_CONFIG	0x54
    104 #define PIIX_CONFIG_PINGPONG	0x0400
    105 /* The following are only for the 82801AA (ICH) and 82801BA (ICH2) */
    106 #define PIIX_CONFIG_CR(channel, drive) (0x0010 << ((channel) * 2 + (drive)))
    107 #define PIIX_CONFIG_UDMA66(channel, drive) (0x0001 << ((channel) * 2 + (drive)))
    108 /* The following are only for the 82801BA (ICH2) */
    109 #define PIIX_CONFIG_UDMA100(channel, drive) (0x1000 << ((channel) * 2 + (drive)))
    110 
    111 /*
    112  * these tables define the differents values to upload to the
    113  * ISP and RTC registers for the various PIO and DMA mode
    114  * (from the PIIX4 doc).
    115  */
    116 static const int8_t piix_isp_pio[] __attribute__((__unused__)) =
    117     {0x00, 0x00, 0x01, 0x02, 0x02};
    118 static const int8_t piix_rtc_pio[] __attribute__((__unused__)) =
    119     {0x00, 0x00, 0x00, 0x01, 0x03};
    120 static const int8_t piix_isp_dma[] __attribute__((__unused__)) =
    121     {0x00, 0x02, 0x02};
    122 static const int8_t piix_rtc_dma[] __attribute__((__unused__)) =
    123     {0x00, 0x02, 0x03};
    124 static const int8_t piix4_sct_udma[] __attribute__((__unused__)) =
    125     {0x00, 0x01, 0x02, 0x01, 0x02, 0x01};
    126 
    127 /*
    128  * ICH5/ICH5R SATA registers definitions
    129  */
    130 #define ICH5_SATA_MAP		0x90 /* Address Map Register */
    131 #define ICH5_SATA_MAP_MV_MASK	0x07 /* Map Value mask */
    132 #define ICH5_SATA_MAP_COMBINED	0x04 /* Combined mode */
    133 
    134 #define ICH5_SATA_PI		0x09 /* Program Interface register */
    135 #define ICH5_SATA_PI_PRI_NATIVE	0x01 /* Put Pri IDE channel in native mode */
    136 #define ICH5_SATA_PI_SEC_NATIVE	0x04 /* Put Sec IDE channel in native mode */
    137 
    138 #define ICH_SATA_PCS		0x92 /* Port Control and Status Register */
    139 #define ICH_SATA_PCS_P0E	0x01 /* Port 0 enabled */
    140 #define ICH_SATA_PCS_P1E	0x02 /* Port 1 enabled */
    141 #define ICH_SATA_PCS_P0P	0x10 /* Port 0 present */
    142 #define ICH_SATA_PCS_P1P	0x20 /* Port 1 present */
    143 
    144 /*
    145  *  * ICH6/ICH7 SATA registers definitions
    146  *   */
    147 #define ICH6_SATA_MAP_CMB_MASK	0x03 /* Combined mode bits */
    148 #define ICH6_SATA_MAP_CMB_PRI	0x01 /* Combined mode, IDE Primary */
    149 #define ICH6_SATA_MAP_CMB_SEC	0x02 /* Combined mode, IDE Secondary */
    150 #define ICH7_SATA_MAP_SMS_MASK	0xc0 /* SATA Mode Select */
    151 #define ICH7_SATA_MAP_SMS_IDE	0x00
    152 #define ICH7_SATA_MAP_SMS_AHCI	0x40
    153 #define ICH7_SATA_MAP_SMS_RAID	0x80
    154