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 | |