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/* $OpenBSD: pciide_piix_reg.h,v 1.10 2006/04/02 01:36:07 jsg Exp $ */
/* $NetBSD: pciide_piix_reg.h,v 1.5 2001/01/05 15:29:40 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. 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 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.
*
*/
#ifndef _DEV_PCI_PCIIDE_PIIX_REG_H_
#define _DEV_PCI_PCIIDE_PIIX_REG_H_
/*
* Registers definitions for Intel's PIIX series PCI IDE controllers.
* See Intel's
* "82371FB (PIIX) and 82371SB (PIIX3) PCI ISA IDE XCELERATOR"
* "82371AB PCI-TO-ISA / IDE XCELERATOR (PIIX4)" and
* "Intel 82801AA (ICH) and Intel 82801AB (ICH0) I/O Controller Hub"
* available from http://developer.intel.com/
*/
/*
* Bus master interface base address register
*/
#define PIIX_BMIBA 0x20
#define PIIX_BMIBA_ADDR(x) (x & 0x0000FFFF0)
#define PIIX_BMIBA_RTE(x) (x & 0x000000001)
#define PIIX_BMIBA_RTE_IO 0x000000001 /* base addr maps to I/O space */
/*
* IDE timing register
* 0x40/0x41 is for primary, 0x42/0x43 for secondary channel
*/
#define PIIX_IDETIM 0x40
#define PIIX_IDETIM_READ(x, channel) (((x) >> (16 * (channel))) & 0x0000FFFF)
#define PIIX_IDETIM_SET(x, bytes, channel) \
((x) | ((bytes) << (16 * (channel))))
#define PIIX_IDETIM_CLEAR(x, bytes, channel) \
((x) & ~((bytes) << (16 * (channel))))
#define PIIX_IDETIM_IDE 0x8000 /* PIIX decode IDE registers */
#define PIIX_IDETIM_SITRE 0x4000 /* slaves IDE timing registers
enabled (PIIX3/4 only) */
#define PIIX_IDETIM_ISP_MASK 0x3000 /* IOrdy sample point */
#define PIIX_IDETIM_ISP_SHIFT 12
#define PIIX_IDETIM_ISP_SET(x) ((x) << PIIX_IDETIM_ISP_SHIFT)
#define PIIX_IDETIM_RTC_MASK 0x0300 /* recovery time */
#define PIIX_IDETIM_RTC_SHIFT 8
#define PIIX_IDETIM_RTC_SET(x) ((x) << PIIX_IDETIM_RTC_SHIFT)
#define PIIX_IDETIM_DTE(d) (0x0008 << (4 * (d))) /* DMA timing only */
#define PIIX_IDETIM_PPE(d) (0x0004 << (4 * (d))) /* prefetch/posting */
#define PIIX_IDETIM_IE(d) (0x0002 << (4 * (d))) /* IORDY enable */
#define PIIX_IDETIM_TIME(d) (0x0001 << (4 * (d))) /* Fast timing enable */
/*
* Slave IDE timing register (PIIX3/4 only)
* This register must be enabled via the PIIX_IDETIM_SITRE bit
*/
#define PIIX_SIDETIM 0x44
#define PIIX_SIDETIM_ISP_MASK(channel) (0x0c << ((channel) * 4))
#define PIIX_SIDETIM_ISP_SHIFT 2
#define PIIX_SIDETIM_ISP_SET(x, channel) \
(x << (PIIX_SIDETIM_ISP_SHIFT + ((channel) * 4)))
#define PIIX_SIDETIM_RTC_MASK(channel) (0x03 << ((channel) * 4))
#define PIIX_SIDETIM_RTC_SHIFT 0
#define PIIX_SIDETIM_RTC_SET(x, channel) \
(x << (PIIX_SIDETIM_RTC_SHIFT + ((channel) * 4)))
/*
* Ultra DMA/33 register (PIIX4 only)
*/
#define PIIX_UDMAREG 0x48
/* Control register */
#define PIIX_UDMACTL_DRV_EN(channel, drive) (0x01 << ((channel) * 2 + (drive)))
/* Ultra DMA/33 timing register (PIIX4 only) */
#define PIIX_UDMATIM_SHIFT 16
#define PIIX_UDMATIM_SET(x, channel, drive) \
(((x) << ((channel * 8) + (drive * 4))) << PIIX_UDMATIM_SHIFT)
/*
* IDE config register (ICH/ICH0/ICH2 only)
*/
#define PIIX_CONFIG 0x54
#define PIIX_CONFIG_PINGPONG 0x0400
/* The following are only for the 82801AA (ICH) and 82801BA (ICH2) */
#define PIIX_CONFIG_CR(channel, drive) (0x0010 << ((channel) * 2 + (drive)))
#define PIIX_CONFIG_UDMA66(channel, drive) (0x0001 << ((channel) * 2 + (drive)))
/* The following are only for the 82801BA (ICH2) */
#define PIIX_CONFIG_UDMA100(channel, drive) (0x1000 << ((channel) * 2 + (drive)))
/*
* these tables define the differents values to upload to the
* ISP and RTC registers for the various PIO and DMA mode
* (from the PIIX4 doc).
*/
static int8_t piix_isp_pio[] = {0x00, 0x00, 0x01, 0x02, 0x02};
static int8_t piix_rtc_pio[] = {0x00, 0x00, 0x00, 0x01, 0x03};
static int8_t piix_isp_dma[] = {0x00, 0x02, 0x02};
static int8_t piix_rtc_dma[] = {0x00, 0x02, 0x03};
static int8_t piix4_sct_udma[] = {0x00, 0x01, 0x02, 0x01, 0x02, 0x01};
/*
* ICH5/ICH5R SATA registers definitions
*/
#define ICH5_SATA_MAP 0x90 /* Address Map Register */
#define ICH5_SATA_MAP_MV_MASK 0x07 /* Map Value mask */
#define ICH5_SATA_MAP_COMBINED 0x04 /* Combined mode */
#define ICH5_SATA_PI 0x09 /* Program Interface register */
#define ICH5_SATA_PI_PRI_NATIVE 0x01 /* Put Pri IDE channel in native mode */
#define ICH5_SATA_PI_SEC_NATIVE 0x04 /* Put Sec IDE channel in native mode */
#define ICH_SATA_PCS 0x92 /* Port Control and Status Register */
#define ICH_SATA_PCS_P0E 0x01 /* Port 0 enabled */
#define ICH_SATA_PCS_P1E 0x02 /* Port 1 enabled */
#define ICH_SATA_PCS_P0P 0x10 /* Port 0 present */
#define ICH_SATA_PCS_P1P 0x20 /* Port 1 present */
/*
* ICH6/ICH7 SATA registers definitions
*/
#define ICH6_SATA_MAP_CMB_MASK 0x03 /* Combined mode bits */
#define ICH6_SATA_MAP_CMB_PRI 0x01 /* Combined mode, IDE Primary */
#define ICH6_SATA_MAP_CMB_SEC 0x02 /* Combined mode, IDE Secondary */
#endif /* !_DEV_PCI_PCIIDE_PIIX_REG_H_ */
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