pciide_ixp_reg.h revision 1.5
1 1.5 martin /* $NetBSD: pciide_ixp_reg.h,v 1.5 2008/04/29 06:53:03 martin Exp $ */ 2 1.1 cube 3 1.1 cube /* 4 1.1 cube * Copyright (c) 2004 The NetBSD Foundation. 5 1.1 cube * All rights reserved. 6 1.1 cube * 7 1.1 cube * Redistribution and use in source and binary forms, with or without 8 1.1 cube * modification, are permitted provided that the following conditions 9 1.1 cube * are met: 10 1.1 cube * 1. Redistributions of source code must retain the above copyright 11 1.1 cube * notice, this list of conditions and the following disclaimer. 12 1.1 cube * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 cube * notice, this list of conditions and the following disclaimer in the 14 1.1 cube * documentation and/or other materials provided with the distribution. 15 1.2 perry * 16 1.1 cube * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 1.1 cube * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 1.1 cube * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.1 cube * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 1.1 cube * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.1 cube * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.1 cube * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.1 cube * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.1 cube * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.1 cube * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.1 cube * POSSIBILITY OF SUCH DAMAGE. 27 1.1 cube */ 28 1.1 cube 29 1.1 cube /* All values gathered from the linux driver. */ 30 1.1 cube 31 1.1 cube #define IXP_PIO_TIMING 0x40 32 1.1 cube #define IXP_MDMA_TIMING 0x44 33 1.1 cube #define IXP_PIO_CTL 0x48 34 1.1 cube #define IXP_PIO_MODE 0x4a 35 1.1 cube #define IXP_UDMA_CTL 0x54 36 1.1 cube #define IXP_UDMA_MODE 0x56 37 1.1 cube 38 1.1 cube /* First 4 bits of UDMA_CTL enable or disable UDMA for the drive */ 39 1.1 cube #define IXP_UDMA_ENABLE(u, c, d) do { \ 40 1.1 cube (u) |= (1 << (2 * (c) + (d))); \ 41 1.1 cube } while (0) 42 1.1 cube #define IXP_UDMA_DISABLE(u, c, d) do { \ 43 1.1 cube (u) &= ~(1 << (2 * (c) + (d))); \ 44 1.1 cube } while (0) 45 1.1 cube 46 1.1 cube /* 47 1.1 cube * UDMA_MODE has 4 bits per drive, though only 3 are actually used 48 1.1 cube * Note that in this macro u is the whole 49 1.1 cube * UDMA_CTL+UDMA_MODE register (32bits). 50 1.1 cube * PIO_MODE works just the same. 51 1.1 cube */ 52 1.1 cube #define IXP_SET_MODE(u, c, d, m) do { \ 53 1.1 cube int __ixpshift = 16 + 8*(c) + 4*(d); \ 54 1.1 cube (u) &= ~(0x7 << __ixpshift); \ 55 1.1 cube (u) |= (((m) & 0x7) << __ixpshift); \ 56 1.1 cube } while (0) 57 1.1 cube 58 1.1 cube /* 59 1.1 cube * MDMA_TIMING has one byte per drive. 60 1.1 cube * PIO_TIMING works just the same. 61 1.1 cube */ 62 1.1 cube #define IXP_SET_TIMING(m, c, d, t) do { \ 63 1.1 cube int __ixpshift = 16*(c) + 8*(d); \ 64 1.1 cube (m) &= ~(0xff << __ixpshift); \ 65 1.1 cube (m) |= ((t) & 0xff) << __ixpshift; \ 66 1.1 cube } while (0) 67
Indexes created Sat Sep 27 14:09:57 GMT 2025