FreeBSD/Linux Kernel Cross Reference
sys/dev/pci/pciide_geode_reg.h

     /*      $NetBSD: pciide_geode_reg.h,v 1.1.2.3 2004/07/28 10:56:06 tron 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};

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