51 lines
2.6 KiB
C
51 lines
2.6 KiB
C
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/* $NetBSD: pciide_geode_reg.h,v 1.1 2004/07/09 18:38:37 bouyer Exp $ */
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/*
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* Copyright (c) 2004 Manuel Bouyer.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Manuel Bouyer.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#define PIO_REG(chan, drv) (0x20 + (chan) * 0x10 + (drv) * 0x8)
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#define DMA_REG(chan, drv) (0x24 + (chan) * 0x10 + (drv) * 0x8)
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#define DMA_REG_PIO_FORMAT 0x80000000 /* select PIO format 1 */
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#define DMA_REG_UDMA 0x00100000 /* enable Ultra-DMA */
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/*
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* Recommeded values from the cs5530 data sheet.
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* Note that the udma values include DMA_REG_UDMA.
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* However, from the datasheet bits 30-21 should be reserved, yet
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* geode_udma sets bit 23 to 1. I don't know if it's the definition of
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* DMA_REG_UDMA which is wrong (bit 23 instead of 20) or these values.
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*/
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static const int32_t geode_pio[] __attribute__((__unused__)) =
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{0x9172d132, 0x21717121, 0x00803020, 0x20102010, 0x00100010};
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static const int32_t geode_dma[] __attribute__((__unused__)) =
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{0x00077771, 0x00012121, 0x00002020};
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static const int32_t geode_udma[] __attribute__((__unused__)) =
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{0x00921250, 0x00911140, 0x00911030};
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