171 lines
7.7 KiB
C
171 lines
7.7 KiB
C
/* $NetBSD: pciide_apollo_reg.h,v 1.14 2003/10/08 11:51:59 bouyer Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1998 Manuel Bouyer.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Manuel Bouyer.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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.
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2000 David Sainty.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* Registers definitions for VIA technologies's Apollo controllers (VT82V580VO,
|
|
* VT82C586A and VT82C586B). Available from http://www.via.com.tw/ or
|
|
* http://www.viatech.com/
|
|
*/
|
|
|
|
/*
|
|
* AMD 7x6 PCI IDE controller is a clone of the VIA apollo.
|
|
* http://www.amd.com/products/cpg/athlon/techdocs/pdf/22548.pdf (756)
|
|
* http://www.amd.com/products/cpg/athlon/techdocs/pdf/23167.pdf (766)
|
|
*/
|
|
|
|
/*
|
|
* The nVidia nForce and nForce2 IDE controllers are compatible with
|
|
* the AMD controllers, but their registers are offset 0x10 bytes.
|
|
*/
|
|
|
|
/* Chip revisions */
|
|
#define AMD756_CHIPREV_D2 3
|
|
|
|
/*
|
|
* The AMD756 chip revision D2 has a bug affecting DMA (but not UDMA)
|
|
* modes. The workaround documented by AMD is to not use DMA on any
|
|
* drive which does not support UDMA modes.
|
|
*
|
|
* See: http://www.amd.com/products/cpg/athlon/techdocs/pdf/22591.pdf
|
|
*/
|
|
#define AMD756_CHIPREV_DISABLEDMA(rev) ((rev) <= AMD756_CHIPREV_D2)
|
|
|
|
/* registers offset - vendor dependant */
|
|
#define APO_VIA_REGBASE 0x40
|
|
#define APO_AMD_REGBASE 0x40
|
|
#define APO_NVIDIA_REGBASE 0x50
|
|
|
|
/* misc. configuration registers */
|
|
#define APO_IDECONF(sc) ((sc)->sc_apo_regbase + 0x00)
|
|
#define APO_IDECONF_EN(channel) (0x00000001 << (1 - (channel)))
|
|
#define APO_IDECONF_SERR_EN 0x00000100 /* VIA 580 only */
|
|
#define APO_IDECONF_DS_SOURCE 0x00000200 /* VIA 580 only */
|
|
#define APO_IDECONF_ALT_INTR_EN 0x00000400 /* VIA 580 only */
|
|
#define APO_IDECONF_PERR_EN 0x00000800 /* VIA 580 only */
|
|
#define APO_IDECONF_WR_BUFF_EN(channel) (0x00001000 << ((1 - (channel)) << 1))
|
|
#define APO_IDECONF_RD_PREF_EN(channel) (0x00002000 << ((1 - (channel)) << 1))
|
|
#define APO_IDECONF_DEVSEL_TME 0x00010000 /* VIA 580 only */
|
|
#define APO_IDECONF_MAS_CMD_MON 0x00020000 /* VIA 580 only */
|
|
#define APO_IDECONF_IO_NAT(channel) \
|
|
(0x00400000 << (1 - (channel))) /* VIA 580 only */
|
|
#define APO_IDECONF_FIFO_TRSH(channel, x) \
|
|
((x) & 0x3) << ((1 - (channel)) << 1 + 24)
|
|
#define APO_IDECONF_FIFO_CONF_MASK 0x60000000
|
|
|
|
/* Misc. controls register - VIA only */
|
|
#define APO_CTLMISC(sc) 0x44
|
|
#define APO_CTLMISC_BM_STS_RTY 0x00000008
|
|
#define APO_CTLMISC_FIFO_HWS 0x00000010
|
|
#define APO_CTLMISC_WR_IRDY_WS 0x00000020
|
|
#define APO_CTLMISC_RD_IRDY_WS 0x00000040
|
|
#define APO_CTLMISC_INTR_SWP 0x00004000
|
|
#define APO_CTLMISC_DRDY_TIME_MASK 0x00030000
|
|
#define APO_CTLMISC_FIFO_FLSH_RD(channel) (0x00100000 << (1 - (channel)))
|
|
#define APO_CTLMISC_FIFO_FLSH_DMA(channel) (0x00400000 << (1 - (channel)))
|
|
|
|
/* data port timings controls */
|
|
#define APO_DATATIM(sc) ((sc)->sc_apo_regbase + 0x08)
|
|
#define APO_DATATIM_MASK(channel) (0xffff << ((1 - (channel)) << 4))
|
|
#define APO_DATATIM_RECOV(channel, drive, x) (((x) & 0xf) << \
|
|
(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
|
|
#define APO_DATATIM_PULSE(channel, drive, x) (((x) & 0xf) << \
|
|
(((1 - (channel)) << 4) + ((1 - (drive)) << 3) + 4))
|
|
|
|
/* misc timings control - VIA only */
|
|
#define APO_MISCTIM(sc) 0x4c
|
|
|
|
/* Ultra-DMA control (586A/B only, amd and nvidia ) */
|
|
#define APO_UDMA(sc) ((sc)->sc_apo_regbase + 0x10)
|
|
#define APO_UDMA_MASK(channel) (0xffff << ((1 - (channel)) << 4))
|
|
#define APO_UDMA_TIME(channel, drive, x) (((x) & 0xf) << \
|
|
(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
|
|
#define APO_UDMA_PIO_MODE(channel, drive) (0x20 << \
|
|
(((1 - (channel)) << 4) + ((1 - (drive)) << 3))) /* via only */
|
|
#define APO_UDMA_EN(channel, drive) (0x40 << \
|
|
(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
|
|
#define APO_UDMA_EN_MTH(channel, drive) (0x80 << \
|
|
(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
|
|
#define APO_UDMA_CLK66(channel) (0x08 << ((1 - (channel)) << 4)) /* via only */
|
|
|
|
/* for via */
|
|
static const int8_t via_udma133_tim[] __attribute__((__unused__)) =
|
|
{0x07, 0x07, 0x06, 0x04, 0x02, 0x01, 0x00};
|
|
static const int8_t via_udma100_tim[] __attribute__((__unused__)) =
|
|
{0x07, 0x07, 0x04, 0x02, 0x01, 0x00};
|
|
static const int8_t via_udma66_tim[] __attribute__((__unused__)) =
|
|
{0x03, 0x03, 0x02, 0x01, 0x00};
|
|
static const int8_t via_udma33_tim[] __attribute__((__unused__)) =
|
|
{0x03, 0x02, 0x00};
|
|
|
|
/* for amd and nvidia */
|
|
static const int8_t amd7x6_udma_tim[] __attribute__((__unused__)) =
|
|
{0x02, 0x01, 0x00, 0x04, 0x05, 0x06, 0x07};
|
|
|
|
/* for all */
|
|
static const int8_t apollo_pio_set[] __attribute__((__unused__)) =
|
|
{0x0a, 0x0a, 0x0a, 0x02, 0x02};
|
|
static const int8_t apollo_pio_rec[] __attribute__((__unused__)) =
|
|
{0x08, 0x08, 0x08, 0x02, 0x00};
|