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pciide_apollo_reg.h revision 1.5 
      1 /*	$NetBSD: pciide_apollo_reg.h,v 1.5 2000/01/18 13:30:32 bouyer 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 the University of
     17  *	California, Berkeley and its contributors.
     18  * 4. Neither the name of the University nor the names of its contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  *
     34  */
     35 
     36 /*
     37  * Registers definitions for VIA technologies's Apollo controllers (VT82V580VO,
     38  * VT82C586A and VT82C586B). Available from http://www.via.com.tw/ or
     39  * http://www.viatech.com/
     40  */
     41 
     42 /* misc. configuration registers */
     43 #define APO_IDECONF 0x40
     44 #define APO_IDECONF_EN(channel) (0x00000001 << (1 - (channel)))
     45 #define APO_IDECONF_SERR_EN	0x00000100 /* 580 only */
     46 #define APO_IDECONF_DS_SOURCE	0x00000200 /* 580 only */
     47 #define APO_IDECONF_ALT_INTR_EN	0x00000400 /* 580 only */
     48 #define APO_IDECONF_PERR_EN	0x00000800 /* 580 only */
     49 #define APO_IDECONF_WR_BUFF_EN(channel) (0x00001000 << ((1 - (channel)) << 1))
     50 #define APO_IDECONF_RD_PREF_EN(channel) (0x00002000 << ((1 - (channel)) << 1))
     51 #define APO_IDECONF_DEVSEL_TME	0x00010000 /* 580 only */
     52 #define APO_IDECONF_MAS_CMD_MON	0x00020000 /* 580 only */
     53 #define APO_IDECONF_IO_NAT(channel) \
     54 	(0x00400000 << (1 - (channel))) /* 580 only */
     55 #define APO_IDECONF_FIFO_TRSH(channel, x) \
     56 	((x) & 0x3) << ((1 - (channel)) << 1 + 24)
     57 #define APO_IDECONF_FIFO_CONF_MASK 0x60000000
     58 
     59 /* Misc. controls register */
     60 #define APO_CTLMISC 0x44
     61 #define APO_CTLMISC_BM_STS_RTY	0x00000008
     62 #define APO_CTLMISC_FIFO_HWS	0x00000010
     63 #define APO_CTLMISC_WR_IRDY_WS	0x00000020
     64 #define APO_CTLMISC_RD_IRDY_WS	0x00000040
     65 #define APO_CTLMISC_INTR_SWP	0x00004000
     66 #define APO_CTLMISC_DRDY_TIME_MASK 0x00030000
     67 #define APO_CTLMISC_FIFO_FLSH_RD(channel) (0x00100000 << (1 - (channel)))
     68 #define APO_CTLMISC_FIFO_FLSH_DMA(channel) (0x00400000 << (1 - (channel)))
     69 
     70 /* data port timings controls */
     71 #define APO_DATATIM 0x48
     72 #define APO_DATATIM_MASK(channel) (0xffff << ((1 - (channel)) << 4))
     73 #define APO_DATATIM_RECOV(channel, drive, x) (((x) & 0xf) << \
     74 	(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
     75 #define APO_DATATIM_PULSE(channel, drive, x) (((x) & 0xf) << \
     76 	(((1 - (channel)) << 4) + ((1 - (drive)) << 3) + 4))
     77 
     78 /* misc timings control */
     79 #define APO_MISCTIM 0x4c
     80 
     81 /* Ultra-DMA/33 control (586A/B only) */
     82 #define APO_UDMA 0x50
     83 #define AP0_UDMA_MASK(channel) (0xffff << ((1 - (channel)) << 4))
     84 #define APO_UDMA_TIME(channel, drive, x) (((x) & 0x3) << \
     85 	(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
     86 #define APO_UDMA_PIO_MODE(channel, drive) (0x20 << \
     87 	(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
     88 #define APO_UDMA_EN(channel, drive) (0x40 << \
     89 	(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
     90 #define APO_UDMA_EN_MTH(channel, drive) (0x80 << \
     91 	(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
     92 
     93 static int8_t apollo_udma_tim[] = {0x03, 0x02, 0x00};
     94 static int8_t apollo_pio_set[] = {0x0a, 0x0a, 0x0a, 0x02, 0x02};
     95 static int8_t apollo_pio_rec[] = {0x08, 0x08, 0x08, 0x02, 0x00};
     96