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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-mips/] [ddb5xxx/] [ddb5477.h] - Blame information for rev 1765

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1 1276 phoenix
/***********************************************************************
2
 *
3
 * Copyright 2001 MontaVista Software Inc.
4
 * Author: jsun@mvista.com or jsun@junsun.net
5
 *
6
 * include/asm-mips/ddb5xxx/ddb5477.h
7
 *     DDB 5477 specific definitions and macros.
8
 *
9
 * This program is free software; you can redistribute  it and/or modify it
10
 * under  the terms of  the GNU General  Public License as published by the
11
 * Free Software Foundation;  either version 2 of the  License, or (at your
12
 * option) any later version.
13
 *
14
 ***********************************************************************
15
 */
16
 
17
#ifndef __ASM_DDB5XXX_DDB5477_H
18
#define __ASM_DDB5XXX_DDB5477_H
19
 
20
#include <linux/config.h>
21
 
22
/*
23
 * This contains macros that are specific to DDB5477 or renamed from
24
 * DDB5476.
25
 */
26
 
27
/*
28
 * renamed PADRs
29
 */
30
#define DDB_LCS0        DDB_DCS2
31
#define DDB_LCS1        DDB_DCS3
32
#define DDB_LCS2        DDB_DCS4
33
#define DDB_VRC5477     DDB_INTCS
34
 
35
/*
36
 * New CPU interface registers
37
 */
38
#define DDB_INTCTRL0    0x0400  /* Interrupt Control 0 */
39
#define DDB_INTCTRL1    0x0404  /* Interrupt Control 1 */
40
#define DDB_INTCTRL2    0x0408  /* Interrupt Control 2 */
41
#define DDB_INTCTRL3    0x040c  /* Interrupt Control 3 */
42
 
43
#define DDB_INT0STAT    0x0420  /* INT0 Status [R] */
44
#define DDB_INT1STAT    0x0428  /* INT1 Status [R] */
45
#define DDB_INT2STAT    0x0430  /* INT2 Status [R] */
46
#define DDB_INT3STAT    0x0438  /* INT3 Status [R] */
47
#define DDB_INT4STAT    0x0440  /* INT4 Status [R] */
48
#define DDB_NMISTAT     0x0450  /* NMI Status [R] */
49
 
50
#define DDB_INTCLR32    0x0468  /* Interrupt Clear */
51
 
52
#define DDB_INTPPES0    0x0470  /* PCI0 Interrupt Control */
53
#define DDB_INTPPES1    0x0478  /* PCI1 Interrupt Control */
54
 
55
#undef  DDB_CPUSTAT             /* duplicate in Vrc-5477 */
56
#define DDB_CPUSTAT     0x0480  /* CPU Status [R] */
57
#define DDB_BUSCTRL     0x0488  /* Internal Bus Control */
58
 
59
 
60
/*
61
 * Timer registers
62
 */
63
#define DDB_REFCTRL_L   DDB_T0CTRL
64
#define DDB_REFCTRL_H   (DDB_T0CTRL+4)
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#define DDB_REFCNTR     DDB_T0CNTR
66
#define DDB_SPT0CTRL_L  DDB_T1CTRL
67
#define DDB_SPT0CTRL_H  (DDB_T1CTRL+4)
68
#define DDB_SPT1CTRL_L  DDB_T2CTRL
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#define DDB_SPT1CTRL_H  (DDB_T2CTRL+4)
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#define DDB_SPT1CNTR    DDB_T1CTRL
71
#define DDB_WDTCTRL_L   DDB_T3CTRL
72
#define DDB_WDTCTRL_H   (DDB_T3CTRL+4)
73
#define DDB_WDTCNTR     DDB_T3CNTR
74
 
75
/*
76
 * DMA registers are moved.  We don't care about it for now. TODO.
77
 */
78
 
79
/*
80
 * BARs for ext PCI (PCI0)
81
 */
82
#undef  DDB_BARC
83
#undef  DDB_BARB
84
 
85
#define DDB_BARC0       0x0210  /* PCI0 Control */
86
#define DDB_BARM010     0x0218  /* PCI0 SDRAM bank01 */
87
#define DDB_BARM230     0x0220  /* PCI0 SDRAM bank23 */
88
#define DDB_BAR00       0x0240  /* PCI0 LDCS0 */
89
#define DDB_BAR10       0x0248  /* PCI0 LDCS1 */
90
#define DDB_BAR20       0x0250  /* PCI0 LDCS2 */
91
#define DDB_BAR30       0x0258  /* PCI0 LDCS3 */
92
#define DDB_BAR40       0x0260  /* PCI0 LDCS4 */
93
#define DDB_BAR50       0x0268  /* PCI0 LDCS5 */
94
#define DDB_BARB0       0x0280  /* PCI0 BOOT */
95
#define DDB_BARP00      0x0290  /* PCI0 for IOPCI Window0 */
96
#define DDB_BARP10      0x0298  /* PCI0 for IOPCI Window1 */
97
 
98
/*
99
 * BARs for IOPIC (PCI1)
100
 */
101
#define DDB_BARC1       0x0610  /* PCI1 Control */
102
#define DDB_BARM011     0x0618  /* PCI1 SDRAM bank01 */
103
#define DDB_BARM231     0x0620  /* PCI1 SDRAM bank23 */
104
#define DDB_BAR01       0x0640  /* PCI1 LDCS0 */
105
#define DDB_BAR11       0x0648  /* PCI1 LDCS1 */
106
#define DDB_BAR21       0x0650  /* PCI1 LDCS2 */
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#define DDB_BAR31       0x0658  /* PCI1 LDCS3 */
108
#define DDB_BAR41       0x0660  /* PCI1 LDCS4 */
109
#define DDB_BAR51       0x0668  /* PCI1 LDCS5 */
110
#define DDB_BARB1       0x0680  /* PCI1 BOOT */
111
#define DDB_BARP01      0x0690  /* PCI1 for ext PCI Window0 */
112
#define DDB_BARP11      0x0698  /* PCI1 for ext PCI Window1 */
113
 
114
/*
115
 * Other registers for ext PCI (PCI0)
116
 */
117
#define DDB_PCIINIT00   0x02f0  /* PCI0 Initiator 0 */
118
#define DDB_PCIINIT10   0x02f8  /* PCI0 Initiator 1 */
119
 
120
#define DDB_PCISWP0     0x02b0  /* PCI0 Swap */
121
#define DDB_PCIERR0     0x02b8  /* PCI0 Error */
122
 
123
#define DDB_PCICTL0_L   0x02e0  /* PCI0 Control-L */
124
#define DDB_PCICTL0_H   0x02e4  /* PCI0 Control-H */
125
#define DDB_PCIARB0_L   0x02e8  /* PCI0 Arbitration-L */
126
#define DDB_PCIARB0_H   0x02ec  /* PCI0 Arbitration-H */
127
 
128
/*
129
 * Other registers for IOPCI (PCI1)
130
 */
131
#define DDB_IOPCIW0     0x00d0  /* PCI Address Window 0 [R/W] */
132
#define DDB_IOPCIW1     0x00d8  /* PCI Address Window 1 [R/W] */
133
 
134
#define DDB_PCIINIT01   0x06f0  /* PCI1 Initiator 0 */
135
#define DDB_PCIINIT11   0x06f8  /* PCI1 Initiator 1 */
136
 
137
#define DDB_PCISWP1     0x06b0  /* PCI1 Swap */
138
#define DDB_PCIERR1     0x06b8  /* PCI1 Error */
139
 
140
#define DDB_PCICTL1_L   0x06e0  /* PCI1 Control-L */
141
#define DDB_PCICTL1_H   0x06e4  /* PCI1 Control-H */
142
#define DDB_PCIARB1_L   0x06e8  /* PCI1 Arbitration-L */
143
#define DDB_PCIARB1_H   0x06ec  /* PCI1 Arbitration-H */
144
 
145
/*
146
 * Local Bus
147
 */
148
#define DDB_LCST0       0x0110  /* LB Chip Select Timing 0 */
149
#define DDB_LCST1       0x0118  /* LB Chip Select Timing 1 */
150
#undef DDB_LCST2
151
#define DDB_LCST2       0x0120  /* LB Chip Select Timing 2 */
152
#undef DDB_LCST3
153
#undef DDB_LCST4
154
#undef DDB_LCST5
155
#undef DDB_LCST6
156
#undef DDB_LCST7
157
#undef DDB_LCST8
158
#define DDB_ERRADR      0x0150  /* Error Address Register */
159
#define DDB_ERRCS       0x0160
160
#define DDB_BTM         0x0170  /* Boot Time Mode value */
161
 
162
/*
163
 * MISC registers
164
 */
165
#define DDB_GIUFUNSEL   0x4040  /* select dual-func pins */
166
#define DDB_PIBMISC     0x0750  /* USB buffer enable / power saving */
167
 
168
/*
169
 *  Memory map (physical address)
170
 *
171
 *  Note most of the following address must be properly aligned by the
172
 *  corresponding size.  For example, if PCI_IO_SIZE is 16MB, then
173
 *  PCI_IO_BASE must be aligned along 16MB boundary.
174
 */
175
 
176
/* the actual ram size is detected at run-time */
177
#define DDB_SDRAM_BASE          0x00000000
178
#define DDB_MAX_SDRAM_SIZE      0x08000000      /* less than 128MB */
179
 
180
#define DDB_PCI0_MEM_BASE       0x08000000
181
#define DDB_PCI0_MEM_SIZE       0x08000000      /* 128 MB */
182
 
183
#define DDB_PCI1_MEM_BASE       0x10000000
184
#define DDB_PCI1_MEM_SIZE       0x08000000      /* 128 MB */
185
 
186
#define DDB_PCI0_CONFIG_BASE    0x18000000
187
#define DDB_PCI0_CONFIG_SIZE    0x01000000      /* 16 MB */
188
 
189
#define DDB_PCI1_CONFIG_BASE    0x19000000
190
#define DDB_PCI1_CONFIG_SIZE    0x01000000      /* 16 MB */
191
 
192
#define DDB_PCI_IO_BASE         0x1a000000      /* we concatenate two IOs */
193
#define DDB_PCI0_IO_BASE        0x1a000000
194
#define DDB_PCI0_IO_SIZE        0x01000000      /* 16 MB */
195
#define DDB_PCI1_IO_BASE        0x1b000000
196
#define DDB_PCI1_IO_SIZE        0x01000000      /* 16 MB */
197
 
198
#define DDB_LCS0_BASE           0x1c000000      /* flash memory */
199
#define DDB_LCS0_SIZE           0x01000000      /* 16 MB */
200
 
201
#define DDB_LCS1_BASE           0x1d000000      /* misc */
202
#define DDB_LCS1_SIZE           0x01000000      /* 16 MB */
203
 
204
#define DDB_LCS2_BASE           0x1e000000      /* Mezzanine */
205
#define DDB_LCS2_SIZE           0x01000000      /* 16 MB */
206
 
207
#define DDB_VRC5477_BASE        0x1fa00000      /* VRC5477 control regs */
208
#define DDB_VRC5477_SIZE        0x00200000      /* 2MB */
209
 
210
#define DDB_BOOTCS_BASE         0x1fc00000      /* Boot ROM / EPROM /Flash */
211
#define DDB_BOOTCS_SIZE         0x00200000      /* 2 MB - doc says 4MB */
212
 
213
#define DDB_LED                 DDB_LCS1_BASE + 0x10000
214
 
215
 
216
/*
217
 * DDB5477 specific functions
218
 */
219
#ifndef __ASSEMBLY__
220
extern void ddb5477_irq_setup(void);
221
 
222
/* route irq to cpu int pin */
223
extern void ll_vrc5477_irq_route(int vrc5477_irq, int ip);
224
 
225
/* low-level routine for enabling vrc5477 irq, bypassing high-level */
226
extern void ll_vrc5477_irq_enable(int vrc5477_irq);
227
extern void ll_vrc5477_irq_disable(int vrc5477_irq);
228
#endif /* !__ASSEMBLY__ */
229
 
230
/* PCI intr ack share PCIW0 with PCI IO */
231
#define DDB_PCI_IACK_BASE       DDB_PCI_IO_BASE
232
 
233
/*
234
 * Interrupt mapping
235
 *
236
 * We have three interrupt controllers:
237
 *
238
 *   . CPU itself - 8 sources
239
 *   . i8259 - 16 sources
240
 *   . vrc5477 - 32 sources
241
 *
242
 *  They connected as follows:
243
 *    all vrc5477 interrupts are routed to cpu IP2 (by software setting)
244
 *    all i8359 are routed to INTC in vrc5477 (by hardware connection)
245
 *
246
 *  All VRC5477 PCI interrupts are level-triggered (no ack needed).
247
 *  All PCI irq but INTC are active low.
248
 */
249
 
250
/*
251
 * irq number block assignment
252
 */
253
 
254
#define NUM_CPU_IRQ             8
255
#define NUM_I8259_IRQ           16
256
#define NUM_VRC5477_IRQ         32
257
 
258
#define DDB_IRQ_BASE            0
259
 
260
#define I8259_IRQ_BASE          DDB_IRQ_BASE
261
#define VRC5477_IRQ_BASE        (I8259_IRQ_BASE + NUM_I8259_IRQ)
262
#define CPU_IRQ_BASE            (VRC5477_IRQ_BASE + NUM_VRC5477_IRQ)
263
 
264
/*
265
 * vrc5477 irq defs
266
 */
267
 
268
#define VRC5477_IRQ_CPCE        (0 + VRC5477_IRQ_BASE)  /* cpu parity error */
269
#define VRC5477_IRQ_CNTD        (1 + VRC5477_IRQ_BASE)  /* cpu no target */
270
#define VRC5477_IRQ_I2C         (2 + VRC5477_IRQ_BASE)  /* I2C */
271
#define VRC5477_IRQ_DMA         (3 + VRC5477_IRQ_BASE)  /* DMA */
272
#define VRC5477_IRQ_UART0       (4 + VRC5477_IRQ_BASE)
273
#define VRC5477_IRQ_WDOG        (5 + VRC5477_IRQ_BASE)  /* watchdog timer */
274
#define VRC5477_IRQ_SPT1        (6 + VRC5477_IRQ_BASE)    /* special purpose timer 1 */
275
#define VRC5477_IRQ_LBRT        (7 + VRC5477_IRQ_BASE)  /* local bus read timeout */
276
#define VRC5477_IRQ_INTA        (8 + VRC5477_IRQ_BASE)  /* PCI INT #A */
277
#define VRC5477_IRQ_INTB        (9 + VRC5477_IRQ_BASE)  /* PCI INT #B */
278
#define VRC5477_IRQ_INTC        (10 + VRC5477_IRQ_BASE) /* PCI INT #C */
279
#define VRC5477_IRQ_INTD        (11 + VRC5477_IRQ_BASE) /* PCI INT #D */
280
#define VRC5477_IRQ_INTE        (12 + VRC5477_IRQ_BASE) /* PCI INT #E */
281
#define VRC5477_IRQ_RESERVED_13 (13 + VRC5477_IRQ_BASE) /* reserved  */
282
#define VRC5477_IRQ_PCIS        (14 + VRC5477_IRQ_BASE) /* PCI SERR #  */
283
#define VRC5477_IRQ_PCI         (15 + VRC5477_IRQ_BASE) /* PCI internal error */
284
#define VRC5477_IRQ_IOPCI_INTA  (16 + VRC5477_IRQ_BASE)      /* USB-H */
285
#define VRC5477_IRQ_IOPCI_INTB  (17 + VRC5477_IRQ_BASE)      /* USB-P */
286
#define VRC5477_IRQ_IOPCI_INTC  (18 + VRC5477_IRQ_BASE)      /* AC97 */
287
#define VRC5477_IRQ_IOPCI_INTD  (19 + VRC5477_IRQ_BASE)      /* Reserved */
288
#define VRC5477_IRQ_UART1       (20 + VRC5477_IRQ_BASE)
289
#define VRC5477_IRQ_SPT0        (21 + VRC5477_IRQ_BASE)      /* special purpose timer 0 */
290
#define VRC5477_IRQ_GPT0        (22 + VRC5477_IRQ_BASE)      /* general purpose timer 0 */
291
#define VRC5477_IRQ_GPT1        (23 + VRC5477_IRQ_BASE)      /* general purpose timer 1 */
292
#define VRC5477_IRQ_GPT2        (24 + VRC5477_IRQ_BASE)      /* general purpose timer 2 */
293
#define VRC5477_IRQ_GPT3        (25 + VRC5477_IRQ_BASE)      /* general purpose timer 3 */
294
#define VRC5477_IRQ_GPIO        (26 + VRC5477_IRQ_BASE)
295
#define VRC5477_IRQ_SIO0        (27 + VRC5477_IRQ_BASE)
296
#define VRC5477_IRQ_SIO1        (28 + VRC5477_IRQ_BASE)
297
#define VRC5477_IRQ_RESERVED_29 (29 + VRC5477_IRQ_BASE)      /* reserved */
298
#define VRC5477_IRQ_IOPCISERR   (30 + VRC5477_IRQ_BASE)      /* IO PCI SERR # */
299
#define VRC5477_IRQ_IOPCI       (31 + VRC5477_IRQ_BASE)
300
 
301
/*
302
 * i2859 irq assignment
303
 */
304
#define I8259_IRQ_RESERVED_0    (0 + I8259_IRQ_BASE)
305
#define I8259_IRQ_KEYBOARD      (1 + I8259_IRQ_BASE)    /* M1543 default */
306
#define I8259_IRQ_CASCADE       (2 + I8259_IRQ_BASE)
307
#define I8259_IRQ_UART_B        (3 + I8259_IRQ_BASE)    /* M1543 default, may conflict with RTC according to schematic diagram  */
308
#define I8259_IRQ_UART_A        (4 + I8259_IRQ_BASE)    /* M1543 default */
309
#define I8259_IRQ_PARALLEL      (5 + I8259_IRQ_BASE)    /* M1543 default */
310
#define I8259_IRQ_RESERVED_6    (6 + I8259_IRQ_BASE)
311
#define I8259_IRQ_RESERVED_7    (7 + I8259_IRQ_BASE)
312
#define I8259_IRQ_RTC           (8 + I8259_IRQ_BASE)    /* who set this? */
313
#define I8259_IRQ_USB           (9 + I8259_IRQ_BASE)    /* ddb_setup */
314
#define I8259_IRQ_PMU           (10 + I8259_IRQ_BASE)   /* ddb_setup */
315
#define I8259_IRQ_RESERVED_11   (11 + I8259_IRQ_BASE)
316
#define I8259_IRQ_RESERVED_12   (12 + I8259_IRQ_BASE)   /* m1543_irq_setup */
317
#define I8259_IRQ_RESERVED_13   (13 + I8259_IRQ_BASE)
318
#define I8259_IRQ_HDC1          (14 + I8259_IRQ_BASE)   /* default and ddb_setup */
319
#define I8259_IRQ_HDC2          (15 + I8259_IRQ_BASE)   /* default */
320
 
321
 
322
/*
323
 * misc
324
 */
325
#define VRC5477_I8259_CASCADE   (VRC5477_IRQ_INTC - VRC5477_IRQ_BASE)
326
#define CPU_VRC5477_CASCADE     2
327
 
328
/*
329
 * debug routines
330
 */
331
#ifndef __ASSEMBLY__
332
#if defined(CONFIG_RUNTIME_DEBUG)
333
extern void vrc5477_show_pdar_regs(void);
334
extern void vrc5477_show_pci_regs(void);
335
extern void vrc5477_show_bar_regs(void);
336
extern void vrc5477_show_int_regs(void);
337
extern void vrc5477_show_all_regs(void);
338
#endif
339
 
340
/*
341
 * RAM size
342
 */
343
extern int board_ram_size;
344
#endif /* !__ASSEMBLY__ */
345
 
346
#endif /* __ASM_DDB5XXX_DDB5477_H */

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