OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [sparclite/] [sleb/] [v2_0/] [include/] [hal_hwio.h] - Blame information for rev 214

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 27 unneback
#ifndef CYGONCE_HAL_HAL_HWIO_H
2
#define CYGONCE_HAL_HAL_HWIO_H
3
 
4
/*=============================================================================
5
//
6
//      hal_hwio.h
7
//
8
//      HAL Support for IO to platform-specific devices
9
//
10
//=============================================================================
11
//####ECOSGPLCOPYRIGHTBEGIN####
12
// -------------------------------------------
13
// This file is part of eCos, the Embedded Configurable Operating System.
14
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
15
//
16
// eCos is free software; you can redistribute it and/or modify it under
17
// the terms of the GNU General Public License as published by the Free
18
// Software Foundation; either version 2 or (at your option) any later version.
19
//
20
// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
21
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
22
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
23
// for more details.
24
//
25
// You should have received a copy of the GNU General Public License along
26
// with eCos; if not, write to the Free Software Foundation, Inc.,
27
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
28
//
29
// As a special exception, if other files instantiate templates or use macros
30
// or inline functions from this file, or you compile this file and link it
31
// with other works to produce a work based on this file, this file does not
32
// by itself cause the resulting work to be covered by the GNU General Public
33
// License. However the source code for this file must still be made available
34
// in accordance with section (3) of the GNU General Public License.
35
//
36
// This exception does not invalidate any other reasons why a work based on
37
// this file might be covered by the GNU General Public License.
38
//
39
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
40
// at http://sources.redhat.com/ecos/ecos-license/
41
// -------------------------------------------
42
//####ECOSGPLCOPYRIGHTEND####
43
//=============================================================================
44
//#####DESCRIPTIONBEGIN####
45
//
46
// Author(s):   hmt
47
// Contributors:        hmt
48
// Date:        1999-01-11
49
// Purpose:     HAL Support for IO to platform-specific devices
50
// Description: Macros to access the 86940 SPARClite companion chip
51
// Usage:       #include <cyg/hal/hal_hwio.h>
52
//
53
//####DESCRIPTIONEND####
54
//
55
//===========================================================================*/
56
 
57
#include <pkgconf/system.h>
58
#include <pkgconf/hal.h>
59
#include <pkgconf/hal_sparclite.h>
60
#include <pkgconf/hal_sparclite_sleb.h>
61
 
62
#include <cyg/infra/cyg_type.h>
63
 
64
/*---------------------------------------------------------------------------*/
65
/* MB86940 flags and the like                                                */
66
 
67
/* Interrupt trigger modes. */
68
#define HAL_SPARC_86940_TRIG_LEVEL_H   0   /* trigger on high level   */
69
#define HAL_SPARC_86940_TRIG_LEVEL_L   1   /* trigger on low level    */
70
#define HAL_SPARC_86940_TRIG_EDGE_H    2   /* trigger on rising edge  */
71
#define HAL_SPARC_86940_TRIG_EDGE_L    3   /* trigger on falling edge */
72
 
73
/* Timer prescaler register values */
74
#define HAL_SPARC_86940_PRS_EXTCLK    0x8000
75
#define HAL_SPARC_86940_PRS_ODIV1     (0<<8)
76
#define HAL_SPARC_86940_PRS_ODIV2     (1<<8)
77
#define HAL_SPARC_86940_PRS_ODIV4     (2<<8)
78
#define HAL_SPARC_86940_PRS_ODIV8     (3<<8)
79
#define HAL_SPARC_86940_PRS_ODIV16    (4<<8)
80
#define HAL_SPARC_86940_PRS_ODIV32    (5<<8)
81
#define HAL_SPARC_86940_PRS_ODIV64    (6<<8)
82
#define HAL_SPARC_86940_PRS_ODIV128   (7<<8)
83
 
84
/* Timer control register values */
85
#define HAL_SPARC_86940_TCR_CE          (1<<11)
86
#define HAL_SPARC_86940_TCR_CLKINT      (0<<9)
87
#define HAL_SPARC_86940_TCR_CLKEXT      (1<<9)
88
#define HAL_SPARC_86940_TCR_CLKPRS      (2<<9)
89
#define HAL_SPARC_86940_TCR_CLKRSVD     (3<<9)
90
#define HAL_SPARC_86940_TCR_OUTSAME     (0<<7)
91
#define HAL_SPARC_86940_TCR_OUTHIGH     (1<<7)
92
#define HAL_SPARC_86940_TCR_OUTLOW      (2<<7)
93
#define HAL_SPARC_86940_TCR_OUTC3       (3<<7)
94
#define HAL_SPARC_86940_TCR_INV         (1<<6)
95
#define HAL_SPARC_86940_TCR_PER_INT     (0<<3)
96
#define HAL_SPARC_86940_TCR_TO_INT      (1<<3)
97
#define HAL_SPARC_86940_TCR_SQWAVE      (2<<3)
98
#define HAL_SPARC_86940_TCR_SW_WATCH    (3<<3)
99
#define HAL_SPARC_86940_TCR_HW_WATCH    (4<<3)
100
#define HAL_SPARC_86940_TCR_LEVEL_L     0
101
#define HAL_SPARC_86940_TCR_LEVEL_H     1
102
#define HAL_SPARC_86940_TCR_EDGE_H      2
103
#define HAL_SPARC_86940_TCR_EDGE_L      3
104
#define HAL_SPARC_86940_TCR_EDGE        4
105
 
106
/* serial mode register values */
107
#define HAL_SPARC_86940_SER_STOP0       (0<<6)
108
#define HAL_SPARC_86940_SER_STOP1       (1<<6)
109
#define HAL_SPARC_86940_SER_STOP1_5     (2<<6)
110
#define HAL_SPARC_86940_SER_STOP2       (3<<6)
111
#define HAL_SPARC_86940_SER_NO_PARITY   (0<<4)
112
#define HAL_SPARC_86940_SER_ODD_PARITY  (1<<4)
113
#define HAL_SPARC_86940_SER_EVEN_PARITY (3<<4)
114
#define HAL_SPARC_86940_SER_5BITS       (0<<2)
115
#define HAL_SPARC_86940_SER_6BITS       (1<<2)
116
#define HAL_SPARC_86940_SER_7BITS       (2<<2)
117
#define HAL_SPARC_86940_SER_8BITS       (3<<2)
118
#define HAL_SPARC_86940_SER_MODE_SYNCH  0
119
#define HAL_SPARC_86940_SER_DIV1_CLK    1
120
#define HAL_SPARC_86940_SER_DIV16_CLK   2
121
#define HAL_SPARC_86940_SER_DIV64_CLK   3
122
 
123
/* serial command register (asynch) */
124
#define HAL_SPARC_86940_SER_CMD_EHM     (1<<7)
125
#define HAL_SPARC_86940_SER_CMD_IRST    (1<<6)
126
#define HAL_SPARC_86940_SER_CMD_RTS     (1<<5)
127
#define HAL_SPARC_86940_SER_CMD_EFR     (1<<4)
128
#define HAL_SPARC_86940_SER_CMD_BREAK   (1<<3)
129
#define HAL_SPARC_86940_SER_CMD_RXEN    (1<<2)
130
#define HAL_SPARC_86940_SER_CMD_DTR     (1<<1)
131
#define HAL_SPARC_86940_SER_CMD_TXEN    (1<<0)
132
 
133
/* serial status register */
134
#define HAL_SPARC_86940_SER_STAT_DSR    (1<<7)
135
#define HAL_SPARC_86940_SER_STAT_BREAK  (1<<6)
136
#define HAL_SPARC_86940_SER_STAT_FERR   (1<<5)
137
#define HAL_SPARC_86940_SER_STAT_OERR   (1<<4)
138
#define HAL_SPARC_86940_SER_STAT_PERR   (1<<3)
139
#define HAL_SPARC_86940_SER_STAT_TXEMP  (1<<2)
140
#define HAL_SPARC_86940_SER_STAT_RXRDY  (1<<1)
141
#define HAL_SPARC_86940_SER_STAT_TXRDY  (1<<0)
142
 
143
#define HAL_SPARC_86940_CHIP_ASI        4
144
#define HAL_SPARC_86940_CHIP_BASE       0x10000000
145
#define HAL_SPARC_86940_REGADDR_SHIFT   2
146
#define HAL_SPARC_86940_REGVAL_SHIFT    16
147
 
148
/*---------------------------------------------------------------------------*/
149
/* Register addresses                                                        */
150
 
151
// The "interesting" IO parts are in Address Space Four:
152
#define HAL_SPARC_ASI_4_READ( addr, res )                                   \
153
    asm volatile(                                                           \
154
        "lda [ %1 ] 4, %0"                                                  \
155
        : "=r"(res)                                                         \
156
        : "r"(addr)                                                         \
157
    );
158
 
159
#define HAL_SPARC_ASI_4_WRITE( addr, val )                                  \
160
    asm volatile(                                                           \
161
        "sta %0, [ %1 ] 4"                                                  \
162
        :                                                                   \
163
        : "r"(val),"r"(addr)                                                \
164
    );
165
 
166
#define HAL_SPARC_86940_BASE (0x10000000)  // in ASI 4
167
 
168
// The 86940 is connected to the upper 16 bits!
169
#define HAL_SPARC_86940_READ( reg, result ) CYG_MACRO_START                 \
170
        cyg_uint32 hires;                                                   \
171
        HAL_SPARC_ASI_4_READ( reg + HAL_SPARC_86940_BASE, hires );          \
172
        hires >>= 16;                                                       \
173
        result = hires;                                                     \
174
CYG_MACRO_END
175
 
176
// THIS IS ONLY HERE FOR DEBUGGING:
177
// The 86940 is connected to the upper 16 bits!
178
// And seems to be an unreliable deprecated thing...
179
// so read it 3 times and believe the majority.
180
#define HAL_SPARC_86940_READ3( reg, result ) CYG_MACRO_START                \
181
        cyg_uint32 hires1;                                                  \
182
        cyg_uint32 hires2;                                                  \
183
        cyg_uint32 hires3;                                                  \
184
        HAL_SPARC_ASI_4_READ( reg + HAL_SPARC_86940_BASE, hires1 );         \
185
        HAL_SPARC_ASI_4_READ( reg + HAL_SPARC_86940_BASE, hires2 );         \
186
        HAL_SPARC_ASI_4_READ( reg + HAL_SPARC_86940_BASE, hires3 );         \
187
        result = ((hires1&hires2)|(hires1&hires3)|(hires2&hires3)) >> 16;   \
188
CYG_MACRO_END
189
 
190
#define HAL_SPARC_86940_WRITE( reg, value ) CYG_MACRO_START                 \
191
        cyg_uint32 hival = (value) << 16;                                   \
192
        HAL_SPARC_ASI_4_WRITE( reg + HAL_SPARC_86940_BASE, hival );         \
193
CYG_MACRO_END
194
 
195
// Registers are at word offsets
196
#define HAL_SPARC_86940_REG_SDTR0_TXDATA ( 0x08 * 4 )
197
#define HAL_SPARC_86940_REG_SDTR0_RXDATA ( 0x08 * 4 )
198
#define HAL_SPARC_86940_REG_SDTR0_STAT   ( 0x09 * 4 )
199
#define HAL_SPARC_86940_REG_SDTR0_CTRL   ( 0x09 * 4 )
200
#define HAL_SPARC_86940_REG_SDTR1_TXDATA ( 0x0c * 4 )
201
#define HAL_SPARC_86940_REG_SDTR1_RXDATA ( 0x0c * 4 )
202
#define HAL_SPARC_86940_REG_SDTR1_STAT   ( 0x0d * 4 )
203
#define HAL_SPARC_86940_REG_SDTR1_CTRL   ( 0x0d * 4 )
204
 
205
#define HAL_SPARC_86940_REG_PRS0         ( 0x10 * 4 )
206
#define HAL_SPARC_86940_REG_TCR0         ( 0x11 * 4 )
207
#define HAL_SPARC_86940_REG_RELOAD0      ( 0x12 * 4 )
208
#define HAL_SPARC_86940_REG_CNT0         ( 0x13 * 4 )
209
#define HAL_SPARC_86940_REG_PRS1         ( 0x14 * 4 )
210
#define HAL_SPARC_86940_REG_TCR1         ( 0x15 * 4 )
211
#define HAL_SPARC_86940_REG_RELOAD1      ( 0x16 * 4 )
212
#define HAL_SPARC_86940_REG_CNT1         ( 0x17 * 4 )
213
#define HAL_SPARC_86940_REG_TCR2         ( 0x19 * 4 )
214
#define HAL_SPARC_86940_REG_RELOAD2      ( 0x1A * 4 )
215
#define HAL_SPARC_86940_REG_CNT2         ( 0x1B * 4 )
216
#define HAL_SPARC_86940_REG_TCR3         ( 0x1D * 4 )
217
#define HAL_SPARC_86940_REG_RELOAD3      ( 0x1E * 4 )
218
#define HAL_SPARC_86940_REG_CNT3         ( 0x1F * 4 )
219
 
220
// Glue together to access them neatly
221
#define HAL_SPARC_86940_SDTR0_TXDATA_WRITE( v ) \
222
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_SDTR0_TXDATA, v )
223
#define HAL_SPARC_86940_SDTR0_RXDATA_READ( r ) \
224
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_SDTR0_RXDATA, r )
225
 
226
#define HAL_SPARC_86940_SDTR0_STAT_READ( r ) \
227
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_SDTR0_STAT, r )
228
#define HAL_SPARC_86940_SDTR0_CTRL_WRITE( v ) \
229
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_SDTR0_CTRL, v )
230
 
231
#define HAL_SPARC_86940_SDTR1_TXDATA_WRITE( v ) \
232
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_SDTR1_TXDATA, v )
233
#define HAL_SPARC_86940_SDTR1_RXDATA_READ( r ) \
234
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_SDTR1_RXDATA, r )
235
 
236
#define HAL_SPARC_86940_SDTR1_STAT_READ( r ) \
237
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_SDTR1_STAT, r )
238
#define HAL_SPARC_86940_SDTR1_CTRL_WRITE( v ) \
239
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_SDTR1_CTRL, v )
240
 
241
#define HAL_SPARC_86940_PRS0_READ( r ) \
242
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_PRS0, r )
243
#define HAL_SPARC_86940_PRS0_WRITE( v ) \
244
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_PRS0, v )
245
 
246
#define HAL_SPARC_86940_TCR0_READ( r ) \
247
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_TCR0, r )
248
#define HAL_SPARC_86940_TCR0_WRITE( v ) \
249
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_TCR0, v )
250
 
251
#define HAL_SPARC_86940_RELOAD0_READ( r ) \
252
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_RELOAD0, r )
253
#define HAL_SPARC_86940_RELOAD0_WRITE( v ) \
254
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_RELOAD0, v )
255
 
256
#define HAL_SPARC_86940_CNT0_READ( r ) \
257
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_CNT0, r )
258
#define HAL_SPARC_86940_CNT0_WRITE( v ) \
259
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_CNT0, v )
260
 
261
#define HAL_SPARC_86940_PRS1_READ( r ) \
262
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_PRS1, r )
263
#define HAL_SPARC_86940_PRS1_WRITE( v ) \
264
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_PRS1, v )
265
 
266
#define HAL_SPARC_86940_TCR1_READ( r ) \
267
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_TCR1, r )
268
#define HAL_SPARC_86940_TCR1_WRITE( v ) \
269
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_TCR1, v )
270
 
271
#define HAL_SPARC_86940_RELOAD1_READ( r ) \
272
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_RELOAD1, r )
273
#define HAL_SPARC_86940_RELOAD1_WRITE( v ) \
274
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_RELOAD1, v )
275
 
276
#define HAL_SPARC_86940_CNT1_READ( r ) \
277
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_CNT1, r )
278
#define HAL_SPARC_86940_CNT1_WRITE( v ) \
279
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_CNT1, v )
280
 
281
#define HAL_SPARC_86940_TCR2_READ( r ) \
282
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_TCR2, r )
283
#define HAL_SPARC_86940_TCR2_WRITE( v ) \
284
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_TCR2, v )
285
 
286
#define HAL_SPARC_86940_RELOAD2_READ( r ) \
287
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_RELOAD2, r )
288
#define HAL_SPARC_86940_RELOAD2_WRITE( v ) \
289
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_RELOAD2, v )
290
 
291
#define HAL_SPARC_86940_CNT2_READ( r ) \
292
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_CNT2, r )
293
#define HAL_SPARC_86940_CNT2_WRITE( v ) \
294
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_CNT2, v )
295
 
296
#define HAL_SPARC_86940_TCR3_READ( r ) \
297
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_TCR3, r )
298
#define HAL_SPARC_86940_TCR3_WRITE( v ) \
299
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_TCR3, v )
300
 
301
#define HAL_SPARC_86940_RELOAD3_READ( r ) \
302
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_RELOAD3, r )
303
#define HAL_SPARC_86940_RELOAD3_WRITE( v ) \
304
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_RELOAD3, v )
305
 
306
#define HAL_SPARC_86940_CNT3_READ( r ) \
307
            HAL_SPARC_86940_READ( HAL_SPARC_86940_REG_CNT3, r )
308
#define HAL_SPARC_86940_CNT3_WRITE( v ) \
309
            HAL_SPARC_86940_WRITE( HAL_SPARC_86940_REG_CNT3, v )
310
 
311
/*---------------------------------------------------------------------------*/
312
/* end of hal_hwio.h                                                         */
313
#endif /* CYGONCE_HAL_HAL_HWIO_H */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.