NetBSD/sys/dev/pci/pciide_geode_reg.h

63 lines
3.2 KiB
C

/* $NetBSD: pciide_geode_reg.h,v 1.4 2005/12/11 12:22:50 christos Exp $ */
/*
* Copyright (c) 2004 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.
*
*/
#define CS5530_PIO_REG(chan, drv) (0x20 + (chan) * 0x10 + (drv) * 0x8)
#define CS5530_DMA_REG(chan, drv) (0x24 + (chan) * 0x10 + (drv) * 0x8)
#define CS5530_DMA_REG_PIO_FORMAT 0x80000000 /* select PIO format 1 */
#define CS5530_DMA_REG_UDMA 0x00100000 /* enable Ultra-DMA */
/*
* Recommended values from the cs5530 data sheet.
* Note that the udma values include CS5530_DMA_REG_UDMA.
* However, from the datasheet bits 30-21 should be reserved, yet
* geode_udma sets bit 23 to 1. I don't know if it's the definition of
* DMA_REG_UDMA which is wrong (bit 23 instead of 20) or these values.
*/
static const int32_t geode_cs5530_pio[] __attribute__((__unused__)) =
{0x9172d132, 0x21717121, 0x00803020, 0x20102010, 0x00100010};
static const int32_t geode_cs5530_dma[] __attribute__((__unused__)) =
{0x00077771, 0x00012121, 0x00002020};
static const int32_t geode_cs5530_udma[] __attribute__((__unused__)) =
{0x00921250, 0x00911140, 0x00911030};
#define SC1100_PIO_REG(chan, drv) (0x40 + (chan) * 0x10 + (drv) * 0x8)
#define SC1100_DMA_REG(chan, drv) (0x44 + (chan) * 0x10 + (drv) * 0x8)
/* Timings from FreeBSD */
static const int32_t geode_sc1100_pio[] __attribute__((__unused__)) =
{0x9172d132, 0x21717121, 0x00803020, 0x20102010, 0x00100010, 0x00803020,
0x20102010, 0x00100010, 0x00100010, 0x00100010, 0x00100010};
static const int32_t geode_sc1100_dma[] __attribute__((__unused__)) =
{0x80077771, 0x80012121, 0x80002020};
static const int32_t geode_sc1100_udma[] __attribute__((__unused__)) =
{0x80921250, 0x80911140, 0x80911030};