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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [hal/] [arm/] [snds/] [current/] [include/] [hal_platform_setup.h] - Blame information for rev 786

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1 786 skrzyp
#ifndef CYGONCE_HAL_PLATFORM_SETUP_H
2
#define CYGONCE_HAL_PLATFORM_SETUP_H
3
//==========================================================================
4
//
5
//      hal_platform_setup.h
6
//
7
//      
8
//
9
//==========================================================================
10
// ####ECOSGPLCOPYRIGHTBEGIN####                                            
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// -------------------------------------------                              
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// This file is part of eCos, the Embedded Configurable Operating System.   
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under    
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// the terms of the GNU General Public License as published by the Free     
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// Software Foundation; either version 2 or (at your option) any later      
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// version.                                                                 
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT      
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
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// for more details.                                                        
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//
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// You should have received a copy of the GNU General Public License        
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// along with eCos; if not, write to the Free Software Foundation, Inc.,    
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// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
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//
29
// As a special exception, if other files instantiate templates or use      
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// macros or inline functions from this file, or you compile this file      
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// and link it with other works to produce a work based on this file,       
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// this file does not by itself cause the resulting work to be covered by   
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// the GNU General Public License. However the source code for this file    
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// must still be made available in accordance with section (3) of the GNU   
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// General Public License v2.                                               
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//
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// This exception does not invalidate any other reasons why a work based    
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// on this file might be covered by the GNU General Public License.         
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// -------------------------------------------                              
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// ####ECOSGPLCOPYRIGHTEND####                                              
41
//==========================================================================
42
//#####DESCRIPTIONBEGIN####
43
//
44
// Author(s):    gthomas
45
// Contributors: gthomas, jskov
46
//               Grant Edwards <grante@visi.com>
47
// Date:         2001-07-31
48
// Purpose:      
49
// Description:  
50
//
51
//####DESCRIPTIONEND####
52
//
53
//========================================================================*/
54
 
55
// does normal DRAM setup, which doesn't fail?!?!
56
 
57
#include <cyg/hal/plf_io.h>
58
 
59
#define CYGHWR_LED_MACRO                                                  \
60
        ldr     r0,=KS32C_IOPDATA                                        ;\
61
        mov     r1, #((255 & (~(\x))))                                   ;\
62
        str     r1, [r0]                                                 ;
63
 
64
#if CYGNUM_HAL_COMMON_INTERRUPTS_STACK_SIZE==4096
65
// Override default to a more sensible value
66
#undef  CYGNUM_HAL_COMMON_INTERRUPTS_STACK_SIZE
67
#define CYGNUM_HAL_COMMON_INTERRUPTS_STACK_SIZE 2048
68
#endif
69
 
70
// Use relative branch since we are going to switch the address space
71
// around.
72
#define CYGSEM_HAL_ROM_RESET_USES_JUMP
73
 
74
#if defined(CYG_HAL_STARTUP_ROM) || defined(CYG_HAL_STARTUP_ROMRAM)
75
#define PLATFORM_SETUP1                                                    \
76
        ldr     r1,=KS32C_IOPMOD                                          ;\
77
        ldr     r2,=0xff /* set led display to output */                  ;\
78
        str     r2,[r1,#0x00]                                             ;\
79
        LED     0xaa                                                      ;\
80
                                                                          ;\
81
        /* Normal DRAM mode */                                            ;\
82
        ldr     r3, =0x03ffff90 /* cache+wb disabled, regs @ 0x03ff0000 */;\
83
        ldr     r0, =KS32C_SYSCFG                                         ;\
84
        str     r3,[r0]                                                   ;\
85
        ldr     lr,=10f                                                   ;\
86
1:      mov     r1,pc                                                     ;\
87
        sub     r1,r1,#8                                                  ;\
88
        ldr     r0,=1b                                                    ;\
89
        sub     r1,r1,r0                                                  ;\
90
        ldr     r0,=30f                                                   ;\
91
        add     r0,r0,r1                                                  ;\
92
        ldmia   r0,{r1-r12}                                               ;\
93
        ldr     r0,=KS32C_EXTDBWTH                                        ;\
94
        stmia   r0,{r1-r12}                                               ;\
95
        mov     pc,lr                                                     ;\
96
10:     LED 0x80                                                          ;\
97
                                                                           \
98
        /* Check that it worked, otherwise try Sync DRAM setup */         ;\
99
        ldr     r1,=0x00000000                                            ;\
100
        str     r1,[r1]                                                   ;\
101
        ldr     r2,[r1]                                                   ;\
102
        cmp     r2,r1                                                     ;\
103
        beq     99f                                                       ;\
104
                                                                           \
105
        /* Sync DRAM mode */                                              ;\
106
        LED 0x81                                                          ;\
107
        ldr     r3, =0x83ffff90 /* sdram c+wb disabled, regs @ 0x03ff0000 */;\
108
        ldr     r0, =KS32C_SYSCFG                                         ;\
109
        str     r3,[r0]                                                   ;\
110
        ldr     lr,=99f                                                   ;\
111
1:      mov     r1,pc                                                     ;\
112
        sub     r1,r1,#8                                                  ;\
113
        ldr     r0,=1b                                                    ;\
114
        sub     r1,r1,r0                                                  ;\
115
        ldr     r0,=40f                                                   ;\
116
        add     r0,r0,r1                                                  ;\
117
        ldmia   r0,{r1-r12}                                               ;\
118
        ldr     r0,=KS32C_EXTDBWTH                                        ;\
119
        stmia   r0,{r1-r12}                                               ;\
120
        mov     pc,lr                                                     ;\
121
                                                                          ;\
122
        /* The below are set with a store-multiple instruction */         ;\
123
                                                                          ;\
124
        /* Normal DRAM setup */                                           ;\
125
        /* Flash is 16 bit, everything else 32 bit */                     ;\
126
        /* .long   KS32C_EXTDBWTH */                                      ;\
127
30:     .long  ( (KS32C_EXTDBWTH_16BIT<<KS32C_EXTDBWTH_DSR0_shift)         \
128
                |(KS32C_EXTDBWTH_16BIT<<KS32C_EXTDBWTH_DSR1_shift)         \
129
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSR2_shift)         \
130
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSR3_shift)         \
131
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSR4_shift)         \
132
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSR5_shift)         \
133
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSD0_shift)         \
134
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSD1_shift)         \
135
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSD2_shift)         \
136
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSD3_shift)         \
137
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSX0_shift)         \
138
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSX1_shift)         \
139
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSX2_shift)         \
140
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSX3_shift) )      ;\
141
        /* Flash at 0x01800000-0x01880000, 5 cycles, 7 cycles */          ;\
142
        /* .long   KS32C_ROMCON0 */                                       ;\
143
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
144
                |(KS32C_ROMCON_TPA_5C)                                     \
145
                |(KS32C_ROMCON_TACC_7C)                                    \
146
                |((0x01800000 >> 16) << KS32C_ROMCON_BASE_shift)           \
147
                |((0x01880000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
148
        /* .long   KS32C_ROMCON1 */                                       ;\
149
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
150
                |(KS32C_ROMCON_TPA_5C)                                     \
151
                |(KS32C_ROMCON_TACC_5C)                                    \
152
                |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift)           \
153
                |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
154
        /* .long   KS32C_ROMCON2 */                                       ;\
155
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
156
                |(KS32C_ROMCON_TPA_5C)                                     \
157
                |(KS32C_ROMCON_TACC_5C)                                    \
158
                |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift)           \
159
                |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
160
        /* .long   KS32C_ROMCON3 */                                       ;\
161
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
162
                |(KS32C_ROMCON_TPA_5C)                                     \
163
                |(KS32C_ROMCON_TACC_3C)                                    \
164
                |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift)           \
165
                |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
166
        /* .long   KS32C_ROMCON4 */                                       ;\
167
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
168
                |(KS32C_ROMCON_TPA_5C)                                     \
169
                |(KS32C_ROMCON_TACC_5C)                                    \
170
                |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift)           \
171
                |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
172
        /* .long   KS32C_ROMCON5 */                                       ;\
173
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
174
                |(KS32C_ROMCON_TPA_5C)                                     \
175
                |(KS32C_ROMCON_TACC_5C)                                    \
176
                |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift)           \
177
                |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
178
        /* .long   KS32C_DRAMCON0 */                                      ;\
179
        .long  ( (KS32C_DRAMCON_RESERVED)                                  \
180
                |(KS32C_DRAMCON_CAN_10)                                    \
181
                |(KS32C_DRAMCON_TRP_3C)                                    \
182
                |(KS32C_DRAMCON_TRC_1C)                                    \
183
                |(KS32C_DRAMCON_TCP_1C)                                    \
184
                |(KS32C_DRAMCON_TCS_2C)                                    \
185
                |(KS32C_DRAMCON_EDO)                                       \
186
                |((0x00000000 >> 16) << KS32C_DRAMCON_BASE_shift)          \
187
                |((0x00400000 >> 16) << KS32C_DRAMCON_NEXT_shift))        ;\
188
        /* .long   KS32C_DRAMCON1 */                                      ;\
189
        .long  ( (KS32C_DRAMCON_RESERVED)                                  \
190
                |(KS32C_DRAMCON_CAN_10)                                    \
191
                |(KS32C_DRAMCON_TRP_1C)                                    \
192
                |(KS32C_DRAMCON_TRC_1C)                                    \
193
                |(KS32C_DRAMCON_TCP_1C)                                    \
194
                |(KS32C_DRAMCON_TCS_2C)                                    \
195
                |(KS32C_DRAMCON_EDO)                                       \
196
                |((0x00400000 >> 16) << KS32C_DRAMCON_BASE_shift)          \
197
                |((0x00800000 >> 16) << KS32C_DRAMCON_NEXT_shift))        ;\
198
        /* .long   KS32C_DRAMCON2 */                                      ;\
199
        .long  ( (KS32C_DRAMCON_RESERVED)                                  \
200
                |(KS32C_DRAMCON_CAN_10)                                    \
201
                |(KS32C_DRAMCON_TRP_1C)                                    \
202
                |(KS32C_DRAMCON_TRC_1C)                                    \
203
                |(KS32C_DRAMCON_TCP_1C)                                    \
204
                |(KS32C_DRAMCON_TCS_2C)                                    \
205
                |((0x00800000 >> 16) << KS32C_DRAMCON_BASE_shift)          \
206
                |((0x00c00000 >> 16) << KS32C_DRAMCON_NEXT_shift))        ;\
207
        /* .long   KS32C_DRAMCON3 */                                      ;\
208
        .long  ( (KS32C_DRAMCON_RESERVED)                                  \
209
                |(KS32C_DRAMCON_CAN_10)                                    \
210
                |(KS32C_DRAMCON_TRP_1C)                                    \
211
                |(KS32C_DRAMCON_TRC_1C)                                    \
212
                |(KS32C_DRAMCON_TCP_1C)                                    \
213
                |(KS32C_DRAMCON_TCS_2C)                                    \
214
                |((0x00c00000 >> 16) << KS32C_DRAMCON_BASE_shift)          \
215
                |((0x01000000 >> 16) << KS32C_DRAMCON_NEXT_shift))        ;\
216
        /* .long   KS32C_REFEXTCON */                                     ;\
217
        .long   (((2048+1-(16*CYGNUM_HAL_CPUCLOCK/1000000)) << KS32C_REFEXTCON_RCV_shift) \
218
                 |(KS32C_REFEXTCON_TCSR_1C)                                \
219
                 |(KS32C_REFEXTCON_TCHR_1C)                                \
220
                 |(KS32C_REFEXTCON_REN)                                    \
221
                 |(KS32C_REFEXTCON_VSF)                                    \
222
                 |(KS32C_REFEXTCON_BASE))                                 ;\
223
                                                                          ;\
224
        /* Sync DRAM setup */                                             ;\
225
        /* Flash is 16 bit, everything else 32 bit */                     ;\
226
        /* .long   KS32C_EXTDBWTH */                                      ;\
227
40:     .long  ( (KS32C_EXTDBWTH_16BIT<<KS32C_EXTDBWTH_DSR0_shift)         \
228
                |(KS32C_EXTDBWTH_16BIT<<KS32C_EXTDBWTH_DSR1_shift)         \
229
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSR2_shift)         \
230
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSR3_shift)         \
231
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSR4_shift)         \
232
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSR5_shift)         \
233
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSD0_shift)         \
234
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSD1_shift)         \
235
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSD2_shift)         \
236
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSD3_shift)         \
237
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSX0_shift)         \
238
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSX1_shift)         \
239
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSX2_shift)         \
240
                |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSX3_shift) )      ;\
241
        /* Flash at 0x01800000-0x01880000, 5 cycles, 7 cycles */          ;\
242
        /* .long   KS32C_ROMCON0 */                                       ;\
243
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
244
                |(KS32C_ROMCON_TPA_5C)                                     \
245
                |(KS32C_ROMCON_TACC_7C)                                    \
246
                |((0x01800000 >> 16) << KS32C_ROMCON_BASE_shift)           \
247
                |((0x01880000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
248
        /* .long   KS32C_ROMCON1 */                                       ;\
249
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
250
                |(KS32C_ROMCON_TPA_5C)                                     \
251
                |(KS32C_ROMCON_TACC_5C)                                    \
252
                |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift)           \
253
                |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
254
        /* .long   KS32C_ROMCON2 */                                       ;\
255
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
256
                |(KS32C_ROMCON_TPA_5C)                                     \
257
                |(KS32C_ROMCON_TACC_5C)                                    \
258
                |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift)           \
259
                |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
260
        /* .long   KS32C_ROMCON3 */                                       ;\
261
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
262
                |(KS32C_ROMCON_TPA_5C)                                     \
263
                |(KS32C_ROMCON_TACC_5C)                                    \
264
                |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift)           \
265
                |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
266
        /* .long   KS32C_ROMCON4 */                                       ;\
267
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
268
                |(KS32C_ROMCON_TPA_5C)                                     \
269
                |(KS32C_ROMCON_TACC_5C)                                    \
270
                |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift)           \
271
                |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
272
        /* .long   KS32C_ROMCON5 */                                       ;\
273
        .long  ( (KS32C_ROMCON_PMC_ROM)                                    \
274
                |(KS32C_ROMCON_TPA_5C)                                     \
275
                |(KS32C_ROMCON_TACC_5C)                                    \
276
                |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift)           \
277
                |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))         ;\
278
        /* .long   KS32C_DRAMCON0 */                                      ;\
279
        .long  ( (KS32C_DRAMCON_RESERVED)                                  \
280
                |(KS32C_DRAMCON_CAN_8)                                     \
281
                |(KS32C_DRAMCON_TRP_4C)                                    \
282
                |(KS32C_DRAMCON_TRC_2C)                                    \
283
                |((0x00000000 >> 16) << KS32C_DRAMCON_BASE_shift)          \
284
                |((0x00400000 >> 16) << KS32C_DRAMCON_NEXT_shift))        ;\
285
        /* .long   KS32C_DRAMCON1 */                                      ;\
286
        .long  ( (KS32C_DRAMCON_RESERVED)                                  \
287
                |(KS32C_DRAMCON_CAN_8)                                     \
288
                |(KS32C_DRAMCON_TRP_2C)                                    \
289
                |(KS32C_DRAMCON_TRC_2C)                                    \
290
                |((0x00400000 >> 16) << KS32C_DRAMCON_BASE_shift)          \
291
                |((0x00800000 >> 16) << KS32C_DRAMCON_NEXT_shift))        ;\
292
        /* .long   KS32C_DRAMCON2 */                                      ;\
293
        .long  ( (KS32C_DRAMCON_RESERVED)                                  \
294
                |(KS32C_DRAMCON_CAN_8)                                     \
295
                |(KS32C_DRAMCON_TRP_2C)                                    \
296
                |(KS32C_DRAMCON_TRC_2C)                                    \
297
                |((0x00800000 >> 16) << KS32C_DRAMCON_BASE_shift)          \
298
                |((0x00c00000 >> 16) << KS32C_DRAMCON_NEXT_shift))        ;\
299
        /* .long   KS32C_DRAMCON3 */                                      ;\
300
        .long  ( (KS32C_DRAMCON_RESERVED)                                  \
301
                |(KS32C_DRAMCON_CAN_8)                                     \
302
                |(KS32C_DRAMCON_TRP_2C)                                    \
303
                |(KS32C_DRAMCON_TRC_2C)                                    \
304
                |((0x00c00000 >> 16) << KS32C_DRAMCON_BASE_shift)          \
305
                |((0x01000000 >> 16) << KS32C_DRAMCON_NEXT_shift))        ;\
306
        /* .long   KS32C_REFEXTCON */                                     ;\
307
        .long  (((2048+1-(8*CYGNUM_HAL_CPUCLOCK/1000000)) << KS32C_REFEXTCON_RCV_shift) \
308
                 |(KS32C_REFEXTCON_TRC_4C)                                 \
309
                 |(KS32C_REFEXTCON_REN)                                    \
310
                 |(KS32C_REFEXTCON_VSF)                                    \
311
                 |(KS32C_REFEXTCON_BASE))                                 ;\
312
99:     LED 0x82                                                          ;\
313
        ldr     r3,=0x00000000                                            ;\
314
        str     r3,[r3]                                                   ;\
315
        ldr     r4,[r3]                                                   ;\
316
        cmp     r4,r3                                                     ;\
317
        beq     15f                                                       ;\
318
11:     LED 0x83                                                          ;\
319
        b 11b                                                             ;\
320
15:     LED 0x84
321
#else
322
#define PLATFORM_SETUP1
323
#endif
324
 
325
//-----------------------------------------------------------------------------
326
// end of hal_platform_setup.h
327
#endif // CYGONCE_HAL_PLATFORM_SETUP_H

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