1 /* $NetBSD: pciide_geode_reg.h,v 1.6 2009/10/19 18:41:15 bouyer Exp $ */ 2 3 /* 4 * Copyright (c) 2004 Manuel Bouyer. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 */ 27 28 #define CS5530_PIO_REG(chan, drv) (0x20 + (chan) * 0x10 + (drv) * 0x8) 29 #define CS5530_DMA_REG(chan, drv) (0x24 + (chan) * 0x10 + (drv) * 0x8) 30 #define CS5530_DMA_REG_PIO_FORMAT 0x80000000 /* select PIO format 1 */ 31 #define CS5530_DMA_REG_UDMA 0x00100000 /* enable Ultra-DMA */ 32 33 /* 34 * Recommended values from the cs5530 data sheet. 35 * Note that the udma values include CS5530_DMA_REG_UDMA. 36 * However, from the datasheet bits 30-21 should be reserved, yet 37 * geode_udma sets bit 23 to 1. I don't know if it's the definition of 38 * DMA_REG_UDMA which is wrong (bit 23 instead of 20) or these values. 39 */ 40 static const int32_t geode_cs5530_pio[] __unused = 41 {0x9172d132, 0x21717121, 0x00803020, 0x20102010, 0x00100010}; 42 static const int32_t geode_cs5530_dma[] __unused = 43 {0x00077771, 0x00012121, 0x00002020}; 44 static const int32_t geode_cs5530_udma[] __unused = 45 {0x00921250, 0x00911140, 0x00911030}; 46 47 #define SC1100_PIO_REG(chan, drv) (0x40 + (chan) * 0x10 + (drv) * 0x8) 48 #define SC1100_DMA_REG(chan, drv) (0x44 + (chan) * 0x10 + (drv) * 0x8) 49 50 /* Timings from FreeBSD */ 51 static const int32_t geode_sc1100_pio[] __unused = 52 {0x9172d132, 0x21717121, 0x00803020, 0x20102010, 0x00100010, 0x00803020, 53 0x20102010, 0x00100010, 0x00100010, 0x00100010, 0x00100010}; 54 static const int32_t geode_sc1100_dma[] __unused = 55 {0x80077771, 0x80012121, 0x80002020}; 56 static const int32_t geode_sc1100_udma[] __unused = 57 {0x80921250, 0x80911140, 0x80911030}; 58