blob: 020874fdd130c0b5520937bb0e5ce28ac9eb3805 [file] [log] [blame]
wdenk4a5b6a32001-04-28 17:59:11 +00001/* include/mal.h, openbios_walnut, walnut_bios 8/6/99 08:48:40 */
2/*----------------------------------------------------------------------------+
3|
4| This source code has been made available to you by IBM on an AS-IS
5| basis. Anyone receiving this source is licensed under IBM
6| copyrights to use it in any way he or she deems fit, including
7| copying it, modifying it, compiling it, and redistributing it either
8| with or without modifications. No license under IBM patents or
9| patent applications is to be implied by the copyright license.
10|
11| Any user of this software should understand that IBM cannot provide
12| technical support for this software and will not be responsible for
13| any consequences resulting from the use of this software.
14|
15| Any person who transfers this source code or any derivative work
16| must include the IBM copyright notice, this paragraph, and the
17| preceding two paragraphs in the transferred software.
18|
19| COPYRIGHT I B M CORPORATION 1999
20| LICENSED MATERIAL - PROGRAM PROPERTY OF I B M
21+----------------------------------------------------------------------------*/
22/*----------------------------------------------------------------------------+
23|
24| File Name: mal.h
25|
26| Function: Header file for the MAL (MADMAL) macro on the 405GP.
27|
28| Author: Mark Wisner
29|
30| Change Activity-
31|
32| Date Description of Change BY
33| --------- --------------------- ---
34| 29-Apr-99 Created MKW
35|
36+----------------------------------------------------------------------------*/
37#ifndef _mal_h_
38#define _mal_h_
39/* MADMAL transmit and receive status/control bits */
40/* for COMMAC bits, refer to the COMMAC header file */
41
42#define MAL_TX_CTRL_READY 0x8000
43#define MAL_TX_CTRL_WRAP 0x4000
44#define MAL_TX_CTRL_CM 0x2000
45#define MAL_TX_CTRL_LAST 0x1000
46#define MAL_TX_CTRL_INTR 0x0400
47
48#define MAL_RX_CTRL_EMPTY 0x8000
49#define MAL_RX_CTRL_WRAP 0x4000
50#define MAL_RX_CTRL_CM 0x2000
51#define MAL_RX_CTRL_LAST 0x1000
52#define MAL_RX_CTRL_FIRST 0x0800
53#define MAL_RX_CTRL_INTR 0x0400
54
55 /* Configuration Reg */
56#define MAL_CR_MMSR 0x80000000
57#define MAL_CR_PLBP_1 0x00400000 /* lowsest is 00 */
58#define MAL_CR_PLBP_2 0x00800000
59#define MAL_CR_PLBP_3 0x00C00000 /* highest */
60#define MAL_CR_GA 0x00200000
61#define MAL_CR_OA 0x00100000
62#define MAL_CR_PLBLE 0x00080000
63#define MAL_CR_PLBLT_1 0x00040000
64#define MAL_CR_PLBLT_2 0x00020000
65#define MAL_CR_PLBLT_3 0x00010000
66#define MAL_CR_PLBLT_4 0x00008000
67#define MAL_CR_PLBLT_DEFAULT 0x00078000 /* ????? */
68#define MAL_CR_PLBB 0x00004000
69#define MAL_CR_OPBBL 0x00000080
70#define MAL_CR_EOPIE 0x00000004
71#define MAL_CR_LEA 0x00000002
72#define MAL_CR_MSD 0x00000001
73
74 /* Error Status Reg */
75#define MAL_ESR_EVB 0x80000000
76#define MAL_ESR_CID 0x40000000
77#define MAL_ESR_DE 0x00100000
78#define MAL_ESR_ONE 0x00080000
79#define MAL_ESR_OTE 0x00040000
80#define MAL_ESR_OSE 0x00020000
81#define MAL_ESR_PEIN 0x00010000
82 /* same bit position as the IER */
83 /* VV VV */
84#define MAL_ESR_DEI 0x00000010
85#define MAL_ESR_ONEI 0x00000008
86#define MAL_ESR_OTEI 0x00000004
87#define MAL_ESR_OSEI 0x00000002
88#define MAL_ESR_PBEI 0x00000001
89 /* ^^ ^^ */
90 /* Mal IER */
91#define MAL_IER_DE 0x00000010
92#define MAL_IER_NE 0x00000008
93#define MAL_IER_TE 0x00000004
94#define MAL_IER_OPBE 0x00000002
95#define MAL_IER_PLBE 0x00000001
96
97
98/* MAL Buffer Descriptor structure */
99typedef struct {
100 short ctrl; /* MAL / Commac status control bits */
101 short data_len; /* Max length is 4K-1 (12 bits) */
102 char *data_ptr; /* pointer to actual data buffer */
103} mal_desc_t;
104
105#endif