| 1 | /* $NetBSD: pciide_piccolo.h_reg.h,v 1.0 2008/04/28 00:00:00 djb */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 2009 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 17 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 18 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 19 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 26 | * POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | /* |
| 30 | * Register definitions for the Toshiba PICCOLO, by SWAG! |
| 31 | */ |
| 32 | |
| 33 | #define PICCOLO_PIO_TIMING 0x50 |
| 34 | #define PICCOLO_DMA_TIMING 0x5c |
| 35 | |
| 36 | #define PICCOLO_PIO_MASK 0xffffe088 |
| 37 | #define PICCOLO_DMA_MASK 0xffffe088 |
| 38 | #define PICCOLO_UDMA_MASK 0x78ffe088 |
| 39 | |
| 40 | /* TIMING SWAG!!! */ |
| 41 | |
| 42 | /* |
| 43 | * first digit is command active, next two are front porch and back porch |
| 44 | * command active >= minimum for mode |
| 45 | * front porch + back porch + command active >= cycle time for mode |
| 46 | * values below may need adjustment |
| 47 | */ |
| 48 | static const u_int32_t piccolo_pio_times[] |
| 49 | __unused = { |
| 50 | /* programmed actual */ |
| 51 | 0x0566, |
| 52 | 0x0433, |
| 53 | 0x0311, |
| 54 | 0x0201, |
| 55 | 0x0200, /* PIO 4, 150ns cycle (120ns is spec), 90ns command active (70ns is spec), 30ns setup and hold */ |
| 56 | 0x0100 |
| 57 | |
| 58 | }; |
| 59 | |
| 60 | static const u_int32_t piccolo_sw_dma_times[] |
| 61 | __unused = { |
| 62 | /* programmed actual */ |
| 63 | 0x0f77 |
| 64 | }; |
| 65 | |
| 66 | static const u_int32_t piccolo_mw_dma_times[] |
| 67 | __unused = { |
| 68 | /* programmed actual */ |
| 69 | 0x0655, |
| 70 | 0x0200, |
| 71 | 0x0200, |
| 72 | 0x0100 |
| 73 | }; |
| 74 | |
| 75 | /* XXX Is MSB UDMA enable? Can't set it. Seems to work without being set. */ |
| 76 | static const u_int32_t piccolo_udma_times[] |
| 77 | __unused = { |
| 78 | /* programmed actual */ |
| 79 | 0x84000222, |
| 80 | 0x83000111, |
| 81 | 0x82000000 /* UDMA 2, 120ns cycle (117ns is spec), 60ns command active (55ns is spec), 30ns setup and hold */ |
| 82 | }; |
| 83 | |