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1da177e4 LT |
1 | /* |
2 | * Setup the interrupt stuff. | |
3 | * | |
4 | * This file is subject to the terms and conditions of the GNU General Public | |
5 | * License. See the file "COPYING" in the main directory of this archive | |
6 | * for more details. | |
7 | * | |
8 | * Copyright (C) 1998 Harald Koerfgen | |
9 | * Copyright (C) 2000, 2001, 2002, 2003 Maciej W. Rozycki | |
10 | */ | |
11 | #include <linux/sched.h> | |
12 | #include <linux/interrupt.h> | |
13 | #include <linux/param.h> | |
14 | #include <linux/console.h> | |
15 | #include <linux/init.h> | |
16 | #include <linux/module.h> | |
17 | #include <linux/spinlock.h> | |
18 | #include <linux/types.h> | |
19 | ||
20 | #include <asm/bootinfo.h> | |
21 | #include <asm/cpu.h> | |
22 | #include <asm/cpu-features.h> | |
23 | #include <asm/irq.h> | |
24 | #include <asm/irq_cpu.h> | |
25 | #include <asm/mipsregs.h> | |
26 | #include <asm/reboot.h> | |
27 | #include <asm/time.h> | |
28 | #include <asm/traps.h> | |
29 | #include <asm/wbflush.h> | |
30 | ||
31 | #include <asm/dec/interrupts.h> | |
32 | #include <asm/dec/ioasic.h> | |
33 | #include <asm/dec/ioasic_addrs.h> | |
34 | #include <asm/dec/ioasic_ints.h> | |
35 | #include <asm/dec/kn01.h> | |
36 | #include <asm/dec/kn02.h> | |
37 | #include <asm/dec/kn02ba.h> | |
38 | #include <asm/dec/kn02ca.h> | |
39 | #include <asm/dec/kn03.h> | |
40 | #include <asm/dec/kn230.h> | |
41 | ||
42 | ||
43 | extern void dec_machine_restart(char *command); | |
44 | extern void dec_machine_halt(void); | |
45 | extern void dec_machine_power_off(void); | |
46 | extern irqreturn_t dec_intr_halt(int irq, void *dev_id, struct pt_regs *regs); | |
47 | ||
48 | extern asmlinkage void decstation_handle_int(void); | |
49 | ||
50 | spinlock_t ioasic_ssr_lock; | |
51 | ||
52 | volatile u32 *ioasic_base; | |
53 | unsigned long dec_kn_slot_size; | |
54 | ||
55 | /* | |
56 | * IRQ routing and priority tables. Priorites are set as follows: | |
57 | * | |
58 | * KN01 KN230 KN02 KN02-BA KN02-CA KN03 | |
59 | * | |
60 | * MEMORY CPU CPU CPU ASIC CPU CPU | |
61 | * RTC CPU CPU CPU ASIC CPU CPU | |
62 | * DMA - - - ASIC ASIC ASIC | |
63 | * SERIAL0 CPU CPU CSR ASIC ASIC ASIC | |
64 | * SERIAL1 - - - ASIC - ASIC | |
65 | * SCSI CPU CPU CSR ASIC ASIC ASIC | |
66 | * ETHERNET CPU * CSR ASIC ASIC ASIC | |
67 | * other - - - ASIC - - | |
68 | * TC2 - - CSR CPU ASIC ASIC | |
69 | * TC1 - - CSR CPU ASIC ASIC | |
70 | * TC0 - - CSR CPU ASIC ASIC | |
71 | * other - CPU - CPU ASIC ASIC | |
72 | * other - - - - CPU CPU | |
73 | * | |
74 | * * -- shared with SCSI | |
75 | */ | |
76 | ||
77 | int dec_interrupt[DEC_NR_INTS] = { | |
78 | [0 ... DEC_NR_INTS - 1] = -1 | |
79 | }; | |
80 | int_ptr cpu_mask_nr_tbl[DEC_MAX_CPU_INTS][2] = { | |
81 | { { .i = ~0 }, { .p = dec_intr_unimplemented } }, | |
82 | }; | |
83 | int_ptr asic_mask_nr_tbl[DEC_MAX_ASIC_INTS][2] = { | |
84 | { { .i = ~0 }, { .p = asic_intr_unimplemented } }, | |
85 | }; | |
86 | int cpu_fpu_mask = DEC_CPU_IRQ_MASK(DEC_CPU_INR_FPU); | |
87 | ||
88 | static struct irqaction ioirq = { | |
89 | .handler = no_action, | |
90 | .name = "cascade", | |
91 | }; | |
92 | static struct irqaction fpuirq = { | |
93 | .handler = no_action, | |
94 | .name = "fpu", | |
95 | }; | |
96 | ||
97 | static struct irqaction busirq = { | |
98 | .flags = SA_INTERRUPT, | |
99 | .name = "bus error", | |
100 | }; | |
101 | ||
102 | static struct irqaction haltirq = { | |
103 | .handler = dec_intr_halt, | |
104 | .name = "halt", | |
105 | }; | |
106 | ||
107 | ||
108 | /* | |
109 | * Bus error (DBE/IBE exceptions and bus interrupts) handling setup. | |
110 | */ | |
111 | void __init dec_be_init(void) | |
112 | { | |
113 | switch (mips_machtype) { | |
114 | case MACH_DS23100: /* DS2100/DS3100 Pmin/Pmax */ | |
115 | busirq.flags |= SA_SHIRQ; | |
116 | break; | |
117 | case MACH_DS5000_200: /* DS5000/200 3max */ | |
118 | case MACH_DS5000_2X0: /* DS5000/240 3max+ */ | |
119 | case MACH_DS5900: /* DS5900 bigmax */ | |
120 | board_be_handler = dec_ecc_be_handler; | |
121 | busirq.handler = dec_ecc_be_interrupt; | |
122 | dec_ecc_be_init(); | |
123 | break; | |
124 | } | |
125 | } | |
126 | ||
127 | ||
128 | extern void dec_time_init(void); | |
129 | extern void dec_timer_setup(struct irqaction *); | |
130 | ||
131 | static void __init decstation_setup(void) | |
132 | { | |
133 | board_be_init = dec_be_init; | |
134 | board_time_init = dec_time_init; | |
135 | board_timer_setup = dec_timer_setup; | |
136 | ||
137 | wbflush_setup(); | |
138 | ||
139 | _machine_restart = dec_machine_restart; | |
140 | _machine_halt = dec_machine_halt; | |
141 | _machine_power_off = dec_machine_power_off; | |
142 | } | |
143 | ||
144 | early_initcall(decstation_setup); | |
145 | ||
146 | /* | |
147 | * Machine-specific initialisation for KN01, aka DS2100 (aka Pmin) | |
148 | * or DS3100 (aka Pmax). | |
149 | */ | |
150 | static int kn01_interrupt[DEC_NR_INTS] __initdata = { | |
151 | [DEC_IRQ_CASCADE] = -1, | |
152 | [DEC_IRQ_AB_RECV] = -1, | |
153 | [DEC_IRQ_AB_XMIT] = -1, | |
154 | [DEC_IRQ_DZ11] = DEC_CPU_IRQ_NR(KN01_CPU_INR_DZ11), | |
155 | [DEC_IRQ_ASC] = -1, | |
156 | [DEC_IRQ_FLOPPY] = -1, | |
157 | [DEC_IRQ_FPU] = DEC_CPU_IRQ_NR(DEC_CPU_INR_FPU), | |
158 | [DEC_IRQ_HALT] = -1, | |
159 | [DEC_IRQ_ISDN] = -1, | |
160 | [DEC_IRQ_LANCE] = DEC_CPU_IRQ_NR(KN01_CPU_INR_LANCE), | |
161 | [DEC_IRQ_BUS] = DEC_CPU_IRQ_NR(KN01_CPU_INR_BUS), | |
162 | [DEC_IRQ_PSU] = -1, | |
163 | [DEC_IRQ_RTC] = DEC_CPU_IRQ_NR(KN01_CPU_INR_RTC), | |
164 | [DEC_IRQ_SCC0] = -1, | |
165 | [DEC_IRQ_SCC1] = -1, | |
166 | [DEC_IRQ_SII] = DEC_CPU_IRQ_NR(KN01_CPU_INR_SII), | |
167 | [DEC_IRQ_TC0] = -1, | |
168 | [DEC_IRQ_TC1] = -1, | |
169 | [DEC_IRQ_TC2] = -1, | |
170 | [DEC_IRQ_TIMER] = -1, | |
171 | [DEC_IRQ_VIDEO] = DEC_CPU_IRQ_NR(KN01_CPU_INR_VIDEO), | |
172 | [DEC_IRQ_ASC_MERR] = -1, | |
173 | [DEC_IRQ_ASC_ERR] = -1, | |
174 | [DEC_IRQ_ASC_DMA] = -1, | |
175 | [DEC_IRQ_FLOPPY_ERR] = -1, | |
176 | [DEC_IRQ_ISDN_ERR] = -1, | |
177 | [DEC_IRQ_ISDN_RXDMA] = -1, | |
178 | [DEC_IRQ_ISDN_TXDMA] = -1, | |
179 | [DEC_IRQ_LANCE_MERR] = -1, | |
180 | [DEC_IRQ_SCC0A_RXERR] = -1, | |
181 | [DEC_IRQ_SCC0A_RXDMA] = -1, | |
182 | [DEC_IRQ_SCC0A_TXERR] = -1, | |
183 | [DEC_IRQ_SCC0A_TXDMA] = -1, | |
184 | [DEC_IRQ_AB_RXERR] = -1, | |
185 | [DEC_IRQ_AB_RXDMA] = -1, | |
186 | [DEC_IRQ_AB_TXERR] = -1, | |
187 | [DEC_IRQ_AB_TXDMA] = -1, | |
188 | [DEC_IRQ_SCC1A_RXERR] = -1, | |
189 | [DEC_IRQ_SCC1A_RXDMA] = -1, | |
190 | [DEC_IRQ_SCC1A_TXERR] = -1, | |
191 | [DEC_IRQ_SCC1A_TXDMA] = -1, | |
192 | }; | |
193 | ||
194 | static int_ptr kn01_cpu_mask_nr_tbl[][2] __initdata = { | |
195 | { { .i = DEC_CPU_IRQ_MASK(KN01_CPU_INR_BUS) }, | |
196 | { .i = DEC_CPU_IRQ_NR(KN01_CPU_INR_BUS) } }, | |
197 | { { .i = DEC_CPU_IRQ_MASK(KN01_CPU_INR_RTC) }, | |
198 | { .i = DEC_CPU_IRQ_NR(KN01_CPU_INR_RTC) } }, | |
199 | { { .i = DEC_CPU_IRQ_MASK(KN01_CPU_INR_DZ11) }, | |
200 | { .i = DEC_CPU_IRQ_NR(KN01_CPU_INR_DZ11) } }, | |
201 | { { .i = DEC_CPU_IRQ_MASK(KN01_CPU_INR_SII) }, | |
202 | { .i = DEC_CPU_IRQ_NR(KN01_CPU_INR_SII) } }, | |
203 | { { .i = DEC_CPU_IRQ_MASK(KN01_CPU_INR_LANCE) }, | |
204 | { .i = DEC_CPU_IRQ_NR(KN01_CPU_INR_LANCE) } }, | |
205 | { { .i = DEC_CPU_IRQ_ALL }, | |
206 | { .p = cpu_all_int } }, | |
207 | }; | |
208 | ||
209 | void __init dec_init_kn01(void) | |
210 | { | |
211 | /* IRQ routing. */ | |
212 | memcpy(&dec_interrupt, &kn01_interrupt, | |
213 | sizeof(kn01_interrupt)); | |
214 | ||
215 | /* CPU IRQ priorities. */ | |
216 | memcpy(&cpu_mask_nr_tbl, &kn01_cpu_mask_nr_tbl, | |
217 | sizeof(kn01_cpu_mask_nr_tbl)); | |
218 | ||
219 | mips_cpu_irq_init(DEC_CPU_IRQ_BASE); | |
220 | ||
221 | } /* dec_init_kn01 */ | |
222 | ||
223 | ||
224 | /* | |
225 | * Machine-specific initialisation for KN230, aka DS5100, aka MIPSmate. | |
226 | */ | |
227 | static int kn230_interrupt[DEC_NR_INTS] __initdata = { | |
228 | [DEC_IRQ_CASCADE] = -1, | |
229 | [DEC_IRQ_AB_RECV] = -1, | |
230 | [DEC_IRQ_AB_XMIT] = -1, | |
231 | [DEC_IRQ_DZ11] = DEC_CPU_IRQ_NR(KN230_CPU_INR_DZ11), | |
232 | [DEC_IRQ_ASC] = -1, | |
233 | [DEC_IRQ_FLOPPY] = -1, | |
234 | [DEC_IRQ_FPU] = DEC_CPU_IRQ_NR(DEC_CPU_INR_FPU), | |
235 | [DEC_IRQ_HALT] = DEC_CPU_IRQ_NR(KN230_CPU_INR_HALT), | |
236 | [DEC_IRQ_ISDN] = -1, | |
237 | [DEC_IRQ_LANCE] = DEC_CPU_IRQ_NR(KN230_CPU_INR_LANCE), | |
238 | [DEC_IRQ_BUS] = DEC_CPU_IRQ_NR(KN230_CPU_INR_BUS), | |
239 | [DEC_IRQ_PSU] = -1, | |
240 | [DEC_IRQ_RTC] = DEC_CPU_IRQ_NR(KN230_CPU_INR_RTC), | |
241 | [DEC_IRQ_SCC0] = -1, | |
242 | [DEC_IRQ_SCC1] = -1, | |
243 | [DEC_IRQ_SII] = DEC_CPU_IRQ_NR(KN230_CPU_INR_SII), | |
244 | [DEC_IRQ_TC0] = -1, | |
245 | [DEC_IRQ_TC1] = -1, | |
246 | [DEC_IRQ_TC2] = -1, | |
247 | [DEC_IRQ_TIMER] = -1, | |
248 | [DEC_IRQ_VIDEO] = -1, | |
249 | [DEC_IRQ_ASC_MERR] = -1, | |
250 | [DEC_IRQ_ASC_ERR] = -1, | |
251 | [DEC_IRQ_ASC_DMA] = -1, | |
252 | [DEC_IRQ_FLOPPY_ERR] = -1, | |
253 | [DEC_IRQ_ISDN_ERR] = -1, | |
254 | [DEC_IRQ_ISDN_RXDMA] = -1, | |
255 | [DEC_IRQ_ISDN_TXDMA] = -1, | |
256 | [DEC_IRQ_LANCE_MERR] = -1, | |
257 | [DEC_IRQ_SCC0A_RXERR] = -1, | |
258 | [DEC_IRQ_SCC0A_RXDMA] = -1, | |
259 | [DEC_IRQ_SCC0A_TXERR] = -1, | |
260 | [DEC_IRQ_SCC0A_TXDMA] = -1, | |
261 | [DEC_IRQ_AB_RXERR] = -1, | |
262 | [DEC_IRQ_AB_RXDMA] = -1, | |
263 | [DEC_IRQ_AB_TXERR] = -1, | |
264 | [DEC_IRQ_AB_TXDMA] = -1, | |
265 | [DEC_IRQ_SCC1A_RXERR] = -1, | |
266 | [DEC_IRQ_SCC1A_RXDMA] = -1, | |
267 | [DEC_IRQ_SCC1A_TXERR] = -1, | |
268 | [DEC_IRQ_SCC1A_TXDMA] = -1, | |
269 | }; | |
270 | ||
271 | static int_ptr kn230_cpu_mask_nr_tbl[][2] __initdata = { | |
272 | { { .i = DEC_CPU_IRQ_MASK(KN230_CPU_INR_BUS) }, | |
273 | { .i = DEC_CPU_IRQ_NR(KN230_CPU_INR_BUS) } }, | |
274 | { { .i = DEC_CPU_IRQ_MASK(KN230_CPU_INR_RTC) }, | |
275 | { .i = DEC_CPU_IRQ_NR(KN230_CPU_INR_RTC) } }, | |
276 | { { .i = DEC_CPU_IRQ_MASK(KN230_CPU_INR_DZ11) }, | |
277 | { .i = DEC_CPU_IRQ_NR(KN230_CPU_INR_DZ11) } }, | |
278 | { { .i = DEC_CPU_IRQ_MASK(KN230_CPU_INR_SII) }, | |
279 | { .i = DEC_CPU_IRQ_NR(KN230_CPU_INR_SII) } }, | |
280 | { { .i = DEC_CPU_IRQ_ALL }, | |
281 | { .p = cpu_all_int } }, | |
282 | }; | |
283 | ||
284 | void __init dec_init_kn230(void) | |
285 | { | |
286 | /* IRQ routing. */ | |
287 | memcpy(&dec_interrupt, &kn230_interrupt, | |
288 | sizeof(kn230_interrupt)); | |
289 | ||
290 | /* CPU IRQ priorities. */ | |
291 | memcpy(&cpu_mask_nr_tbl, &kn230_cpu_mask_nr_tbl, | |
292 | sizeof(kn230_cpu_mask_nr_tbl)); | |
293 | ||
294 | mips_cpu_irq_init(DEC_CPU_IRQ_BASE); | |
295 | ||
296 | } /* dec_init_kn230 */ | |
297 | ||
298 | ||
299 | /* | |
300 | * Machine-specific initialisation for KN02, aka DS5000/200, aka 3max. | |
301 | */ | |
302 | static int kn02_interrupt[DEC_NR_INTS] __initdata = { | |
303 | [DEC_IRQ_CASCADE] = DEC_CPU_IRQ_NR(KN02_CPU_INR_CASCADE), | |
304 | [DEC_IRQ_AB_RECV] = -1, | |
305 | [DEC_IRQ_AB_XMIT] = -1, | |
306 | [DEC_IRQ_DZ11] = KN02_IRQ_NR(KN02_CSR_INR_DZ11), | |
307 | [DEC_IRQ_ASC] = KN02_IRQ_NR(KN02_CSR_INR_ASC), | |
308 | [DEC_IRQ_FLOPPY] = -1, | |
309 | [DEC_IRQ_FPU] = DEC_CPU_IRQ_NR(DEC_CPU_INR_FPU), | |
310 | [DEC_IRQ_HALT] = -1, | |
311 | [DEC_IRQ_ISDN] = -1, | |
312 | [DEC_IRQ_LANCE] = KN02_IRQ_NR(KN02_CSR_INR_LANCE), | |
313 | [DEC_IRQ_BUS] = DEC_CPU_IRQ_NR(KN02_CPU_INR_BUS), | |
314 | [DEC_IRQ_PSU] = -1, | |
315 | [DEC_IRQ_RTC] = DEC_CPU_IRQ_NR(KN02_CPU_INR_RTC), | |
316 | [DEC_IRQ_SCC0] = -1, | |
317 | [DEC_IRQ_SCC1] = -1, | |
318 | [DEC_IRQ_SII] = -1, | |
319 | [DEC_IRQ_TC0] = KN02_IRQ_NR(KN02_CSR_INR_TC0), | |
320 | [DEC_IRQ_TC1] = KN02_IRQ_NR(KN02_CSR_INR_TC1), | |
321 | [DEC_IRQ_TC2] = KN02_IRQ_NR(KN02_CSR_INR_TC2), | |
322 | [DEC_IRQ_TIMER] = -1, | |
323 | [DEC_IRQ_VIDEO] = -1, | |
324 | [DEC_IRQ_ASC_MERR] = -1, | |
325 | [DEC_IRQ_ASC_ERR] = -1, | |
326 | [DEC_IRQ_ASC_DMA] = -1, | |
327 | [DEC_IRQ_FLOPPY_ERR] = -1, | |
328 | [DEC_IRQ_ISDN_ERR] = -1, | |
329 | [DEC_IRQ_ISDN_RXDMA] = -1, | |
330 | [DEC_IRQ_ISDN_TXDMA] = -1, | |
331 | [DEC_IRQ_LANCE_MERR] = -1, | |
332 | [DEC_IRQ_SCC0A_RXERR] = -1, | |
333 | [DEC_IRQ_SCC0A_RXDMA] = -1, | |
334 | [DEC_IRQ_SCC0A_TXERR] = -1, | |
335 | [DEC_IRQ_SCC0A_TXDMA] = -1, | |
336 | [DEC_IRQ_AB_RXERR] = -1, | |
337 | [DEC_IRQ_AB_RXDMA] = -1, | |
338 | [DEC_IRQ_AB_TXERR] = -1, | |
339 | [DEC_IRQ_AB_TXDMA] = -1, | |
340 | [DEC_IRQ_SCC1A_RXERR] = -1, | |
341 | [DEC_IRQ_SCC1A_RXDMA] = -1, | |
342 | [DEC_IRQ_SCC1A_TXERR] = -1, | |
343 | [DEC_IRQ_SCC1A_TXDMA] = -1, | |
344 | }; | |
345 | ||
346 | static int_ptr kn02_cpu_mask_nr_tbl[][2] __initdata = { | |
347 | { { .i = DEC_CPU_IRQ_MASK(KN02_CPU_INR_BUS) }, | |
348 | { .i = DEC_CPU_IRQ_NR(KN02_CPU_INR_BUS) } }, | |
349 | { { .i = DEC_CPU_IRQ_MASK(KN02_CPU_INR_RTC) }, | |
350 | { .i = DEC_CPU_IRQ_NR(KN02_CPU_INR_RTC) } }, | |
351 | { { .i = DEC_CPU_IRQ_MASK(KN02_CPU_INR_CASCADE) }, | |
352 | { .p = kn02_io_int } }, | |
353 | { { .i = DEC_CPU_IRQ_ALL }, | |
354 | { .p = cpu_all_int } }, | |
355 | }; | |
356 | ||
357 | static int_ptr kn02_asic_mask_nr_tbl[][2] __initdata = { | |
358 | { { .i = KN02_IRQ_MASK(KN02_CSR_INR_DZ11) }, | |
359 | { .i = KN02_IRQ_NR(KN02_CSR_INR_DZ11) } }, | |
360 | { { .i = KN02_IRQ_MASK(KN02_CSR_INR_ASC) }, | |
361 | { .i = KN02_IRQ_NR(KN02_CSR_INR_ASC) } }, | |
362 | { { .i = KN02_IRQ_MASK(KN02_CSR_INR_LANCE) }, | |
363 | { .i = KN02_IRQ_NR(KN02_CSR_INR_LANCE) } }, | |
364 | { { .i = KN02_IRQ_MASK(KN02_CSR_INR_TC2) }, | |
365 | { .i = KN02_IRQ_NR(KN02_CSR_INR_TC2) } }, | |
366 | { { .i = KN02_IRQ_MASK(KN02_CSR_INR_TC1) }, | |
367 | { .i = KN02_IRQ_NR(KN02_CSR_INR_TC1) } }, | |
368 | { { .i = KN02_IRQ_MASK(KN02_CSR_INR_TC0) }, | |
369 | { .i = KN02_IRQ_NR(KN02_CSR_INR_TC0) } }, | |
370 | { { .i = KN02_IRQ_ALL }, | |
371 | { .p = kn02_all_int } }, | |
372 | }; | |
373 | ||
374 | void __init dec_init_kn02(void) | |
375 | { | |
376 | /* IRQ routing. */ | |
377 | memcpy(&dec_interrupt, &kn02_interrupt, | |
378 | sizeof(kn02_interrupt)); | |
379 | ||
380 | /* CPU IRQ priorities. */ | |
381 | memcpy(&cpu_mask_nr_tbl, &kn02_cpu_mask_nr_tbl, | |
382 | sizeof(kn02_cpu_mask_nr_tbl)); | |
383 | ||
384 | /* KN02 CSR IRQ priorities. */ | |
385 | memcpy(&asic_mask_nr_tbl, &kn02_asic_mask_nr_tbl, | |
386 | sizeof(kn02_asic_mask_nr_tbl)); | |
387 | ||
388 | mips_cpu_irq_init(DEC_CPU_IRQ_BASE); | |
389 | init_kn02_irqs(KN02_IRQ_BASE); | |
390 | ||
391 | } /* dec_init_kn02 */ | |
392 | ||
393 | ||
394 | /* | |
395 | * Machine-specific initialisation for KN02-BA, aka DS5000/1xx | |
396 | * (xx = 20, 25, 33), aka 3min. Also applies to KN04(-BA), aka | |
397 | * DS5000/150, aka 4min. | |
398 | */ | |
399 | static int kn02ba_interrupt[DEC_NR_INTS] __initdata = { | |
400 | [DEC_IRQ_CASCADE] = DEC_CPU_IRQ_NR(KN02BA_CPU_INR_CASCADE), | |
401 | [DEC_IRQ_AB_RECV] = -1, | |
402 | [DEC_IRQ_AB_XMIT] = -1, | |
403 | [DEC_IRQ_DZ11] = -1, | |
404 | [DEC_IRQ_ASC] = IO_IRQ_NR(KN02BA_IO_INR_ASC), | |
405 | [DEC_IRQ_FLOPPY] = -1, | |
406 | [DEC_IRQ_FPU] = DEC_CPU_IRQ_NR(DEC_CPU_INR_FPU), | |
407 | [DEC_IRQ_HALT] = DEC_CPU_IRQ_NR(KN02BA_CPU_INR_HALT), | |
408 | [DEC_IRQ_ISDN] = -1, | |
409 | [DEC_IRQ_LANCE] = IO_IRQ_NR(KN02BA_IO_INR_LANCE), | |
410 | [DEC_IRQ_BUS] = IO_IRQ_NR(KN02BA_IO_INR_BUS), | |
411 | [DEC_IRQ_PSU] = IO_IRQ_NR(KN02BA_IO_INR_PSU), | |
412 | [DEC_IRQ_RTC] = IO_IRQ_NR(KN02BA_IO_INR_RTC), | |
413 | [DEC_IRQ_SCC0] = IO_IRQ_NR(KN02BA_IO_INR_SCC0), | |
414 | [DEC_IRQ_SCC1] = IO_IRQ_NR(KN02BA_IO_INR_SCC1), | |
415 | [DEC_IRQ_SII] = -1, | |
416 | [DEC_IRQ_TC0] = DEC_CPU_IRQ_NR(KN02BA_CPU_INR_TC0), | |
417 | [DEC_IRQ_TC1] = DEC_CPU_IRQ_NR(KN02BA_CPU_INR_TC1), | |
418 | [DEC_IRQ_TC2] = DEC_CPU_IRQ_NR(KN02BA_CPU_INR_TC2), | |
419 | [DEC_IRQ_TIMER] = -1, | |
420 | [DEC_IRQ_VIDEO] = -1, | |
421 | [DEC_IRQ_ASC_MERR] = IO_IRQ_NR(IO_INR_ASC_MERR), | |
422 | [DEC_IRQ_ASC_ERR] = IO_IRQ_NR(IO_INR_ASC_ERR), | |
423 | [DEC_IRQ_ASC_DMA] = IO_IRQ_NR(IO_INR_ASC_DMA), | |
424 | [DEC_IRQ_FLOPPY_ERR] = -1, | |
425 | [DEC_IRQ_ISDN_ERR] = -1, | |
426 | [DEC_IRQ_ISDN_RXDMA] = -1, | |
427 | [DEC_IRQ_ISDN_TXDMA] = -1, | |
428 | [DEC_IRQ_LANCE_MERR] = IO_IRQ_NR(IO_INR_LANCE_MERR), | |
429 | [DEC_IRQ_SCC0A_RXERR] = IO_IRQ_NR(IO_INR_SCC0A_RXERR), | |
430 | [DEC_IRQ_SCC0A_RXDMA] = IO_IRQ_NR(IO_INR_SCC0A_RXDMA), | |
431 | [DEC_IRQ_SCC0A_TXERR] = IO_IRQ_NR(IO_INR_SCC0A_TXERR), | |
432 | [DEC_IRQ_SCC0A_TXDMA] = IO_IRQ_NR(IO_INR_SCC0A_TXDMA), | |
433 | [DEC_IRQ_AB_RXERR] = -1, | |
434 | [DEC_IRQ_AB_RXDMA] = -1, | |
435 | [DEC_IRQ_AB_TXERR] = -1, | |
436 | [DEC_IRQ_AB_TXDMA] = -1, | |
437 | [DEC_IRQ_SCC1A_RXERR] = IO_IRQ_NR(IO_INR_SCC1A_RXERR), | |
438 | [DEC_IRQ_SCC1A_RXDMA] = IO_IRQ_NR(IO_INR_SCC1A_RXDMA), | |
439 | [DEC_IRQ_SCC1A_TXERR] = IO_IRQ_NR(IO_INR_SCC1A_TXERR), | |
440 | [DEC_IRQ_SCC1A_TXDMA] = IO_IRQ_NR(IO_INR_SCC1A_TXDMA), | |
441 | }; | |
442 | ||
443 | static int_ptr kn02ba_cpu_mask_nr_tbl[][2] __initdata = { | |
444 | { { .i = DEC_CPU_IRQ_MASK(KN02BA_CPU_INR_CASCADE) }, | |
445 | { .p = kn02xa_io_int } }, | |
446 | { { .i = DEC_CPU_IRQ_MASK(KN02BA_CPU_INR_TC2) }, | |
447 | { .i = DEC_CPU_IRQ_NR(KN02BA_CPU_INR_TC2) } }, | |
448 | { { .i = DEC_CPU_IRQ_MASK(KN02BA_CPU_INR_TC1) }, | |
449 | { .i = DEC_CPU_IRQ_NR(KN02BA_CPU_INR_TC1) } }, | |
450 | { { .i = DEC_CPU_IRQ_MASK(KN02BA_CPU_INR_TC0) }, | |
451 | { .i = DEC_CPU_IRQ_NR(KN02BA_CPU_INR_TC0) } }, | |
452 | { { .i = DEC_CPU_IRQ_ALL }, | |
453 | { .p = cpu_all_int } }, | |
454 | }; | |
455 | ||
456 | static int_ptr kn02ba_asic_mask_nr_tbl[][2] __initdata = { | |
457 | { { .i = IO_IRQ_MASK(KN02BA_IO_INR_BUS) }, | |
458 | { .i = IO_IRQ_NR(KN02BA_IO_INR_BUS) } }, | |
459 | { { .i = IO_IRQ_MASK(KN02BA_IO_INR_RTC) }, | |
460 | { .i = IO_IRQ_NR(KN02BA_IO_INR_RTC) } }, | |
461 | { { .i = IO_IRQ_DMA }, | |
462 | { .p = asic_dma_int } }, | |
463 | { { .i = IO_IRQ_MASK(KN02BA_IO_INR_SCC0) }, | |
464 | { .i = IO_IRQ_NR(KN02BA_IO_INR_SCC0) } }, | |
465 | { { .i = IO_IRQ_MASK(KN02BA_IO_INR_SCC1) }, | |
466 | { .i = IO_IRQ_NR(KN02BA_IO_INR_SCC1) } }, | |
467 | { { .i = IO_IRQ_MASK(KN02BA_IO_INR_ASC) }, | |
468 | { .i = IO_IRQ_NR(KN02BA_IO_INR_ASC) } }, | |
469 | { { .i = IO_IRQ_MASK(KN02BA_IO_INR_LANCE) }, | |
470 | { .i = IO_IRQ_NR(KN02BA_IO_INR_LANCE) } }, | |
471 | { { .i = IO_IRQ_ALL }, | |
472 | { .p = asic_all_int } }, | |
473 | }; | |
474 | ||
475 | void __init dec_init_kn02ba(void) | |
476 | { | |
477 | /* IRQ routing. */ | |
478 | memcpy(&dec_interrupt, &kn02ba_interrupt, | |
479 | sizeof(kn02ba_interrupt)); | |
480 | ||
481 | /* CPU IRQ priorities. */ | |
482 | memcpy(&cpu_mask_nr_tbl, &kn02ba_cpu_mask_nr_tbl, | |
483 | sizeof(kn02ba_cpu_mask_nr_tbl)); | |
484 | ||
485 | /* I/O ASIC IRQ priorities. */ | |
486 | memcpy(&asic_mask_nr_tbl, &kn02ba_asic_mask_nr_tbl, | |
487 | sizeof(kn02ba_asic_mask_nr_tbl)); | |
488 | ||
489 | mips_cpu_irq_init(DEC_CPU_IRQ_BASE); | |
490 | init_ioasic_irqs(IO_IRQ_BASE); | |
491 | ||
492 | } /* dec_init_kn02ba */ | |
493 | ||
494 | ||
495 | /* | |
496 | * Machine-specific initialisation for KN02-CA, aka DS5000/xx, | |
497 | * (xx = 20, 25, 33), aka MAXine. Also applies to KN04(-CA), aka | |
498 | * DS5000/50, aka 4MAXine. | |
499 | */ | |
500 | static int kn02ca_interrupt[DEC_NR_INTS] __initdata = { | |
501 | [DEC_IRQ_CASCADE] = DEC_CPU_IRQ_NR(KN02CA_CPU_INR_CASCADE), | |
502 | [DEC_IRQ_AB_RECV] = IO_IRQ_NR(KN02CA_IO_INR_AB_RECV), | |
503 | [DEC_IRQ_AB_XMIT] = IO_IRQ_NR(KN02CA_IO_INR_AB_XMIT), | |
504 | [DEC_IRQ_DZ11] = -1, | |
505 | [DEC_IRQ_ASC] = IO_IRQ_NR(KN02CA_IO_INR_ASC), | |
506 | [DEC_IRQ_FLOPPY] = IO_IRQ_NR(KN02CA_IO_INR_FLOPPY), | |
507 | [DEC_IRQ_FPU] = DEC_CPU_IRQ_NR(DEC_CPU_INR_FPU), | |
508 | [DEC_IRQ_HALT] = DEC_CPU_IRQ_NR(KN02CA_CPU_INR_HALT), | |
509 | [DEC_IRQ_ISDN] = IO_IRQ_NR(KN02CA_IO_INR_ISDN), | |
510 | [DEC_IRQ_LANCE] = IO_IRQ_NR(KN02CA_IO_INR_LANCE), | |
511 | [DEC_IRQ_BUS] = DEC_CPU_IRQ_NR(KN02CA_CPU_INR_BUS), | |
512 | [DEC_IRQ_PSU] = -1, | |
513 | [DEC_IRQ_RTC] = DEC_CPU_IRQ_NR(KN02CA_CPU_INR_RTC), | |
514 | [DEC_IRQ_SCC0] = IO_IRQ_NR(KN02CA_IO_INR_SCC0), | |
515 | [DEC_IRQ_SCC1] = -1, | |
516 | [DEC_IRQ_SII] = -1, | |
517 | [DEC_IRQ_TC0] = IO_IRQ_NR(KN02CA_IO_INR_TC0), | |
518 | [DEC_IRQ_TC1] = IO_IRQ_NR(KN02CA_IO_INR_TC1), | |
519 | [DEC_IRQ_TC2] = -1, | |
520 | [DEC_IRQ_TIMER] = DEC_CPU_IRQ_NR(KN02CA_CPU_INR_TIMER), | |
521 | [DEC_IRQ_VIDEO] = IO_IRQ_NR(KN02CA_IO_INR_VIDEO), | |
522 | [DEC_IRQ_ASC_MERR] = IO_IRQ_NR(IO_INR_ASC_MERR), | |
523 | [DEC_IRQ_ASC_ERR] = IO_IRQ_NR(IO_INR_ASC_ERR), | |
524 | [DEC_IRQ_ASC_DMA] = IO_IRQ_NR(IO_INR_ASC_DMA), | |
525 | [DEC_IRQ_FLOPPY_ERR] = IO_IRQ_NR(IO_INR_FLOPPY_ERR), | |
526 | [DEC_IRQ_ISDN_ERR] = IO_IRQ_NR(IO_INR_ISDN_ERR), | |
527 | [DEC_IRQ_ISDN_RXDMA] = IO_IRQ_NR(IO_INR_ISDN_RXDMA), | |
528 | [DEC_IRQ_ISDN_TXDMA] = IO_IRQ_NR(IO_INR_ISDN_TXDMA), | |
529 | [DEC_IRQ_LANCE_MERR] = IO_IRQ_NR(IO_INR_LANCE_MERR), | |
530 | [DEC_IRQ_SCC0A_RXERR] = IO_IRQ_NR(IO_INR_SCC0A_RXERR), | |
531 | [DEC_IRQ_SCC0A_RXDMA] = IO_IRQ_NR(IO_INR_SCC0A_RXDMA), | |
532 | [DEC_IRQ_SCC0A_TXERR] = IO_IRQ_NR(IO_INR_SCC0A_TXERR), | |
533 | [DEC_IRQ_SCC0A_TXDMA] = IO_IRQ_NR(IO_INR_SCC0A_TXDMA), | |
534 | [DEC_IRQ_AB_RXERR] = IO_IRQ_NR(IO_INR_AB_RXERR), | |
535 | [DEC_IRQ_AB_RXDMA] = IO_IRQ_NR(IO_INR_AB_RXDMA), | |
536 | [DEC_IRQ_AB_TXERR] = IO_IRQ_NR(IO_INR_AB_TXERR), | |
537 | [DEC_IRQ_AB_TXDMA] = IO_IRQ_NR(IO_INR_AB_TXDMA), | |
538 | [DEC_IRQ_SCC1A_RXERR] = -1, | |
539 | [DEC_IRQ_SCC1A_RXDMA] = -1, | |
540 | [DEC_IRQ_SCC1A_TXERR] = -1, | |
541 | [DEC_IRQ_SCC1A_TXDMA] = -1, | |
542 | }; | |
543 | ||
544 | static int_ptr kn02ca_cpu_mask_nr_tbl[][2] __initdata = { | |
545 | { { .i = DEC_CPU_IRQ_MASK(KN02CA_CPU_INR_BUS) }, | |
546 | { .i = DEC_CPU_IRQ_NR(KN02CA_CPU_INR_BUS) } }, | |
547 | { { .i = DEC_CPU_IRQ_MASK(KN02CA_CPU_INR_RTC) }, | |
548 | { .i = DEC_CPU_IRQ_NR(KN02CA_CPU_INR_RTC) } }, | |
549 | { { .i = DEC_CPU_IRQ_MASK(KN02CA_CPU_INR_CASCADE) }, | |
550 | { .p = kn02xa_io_int } }, | |
551 | { { .i = DEC_CPU_IRQ_ALL }, | |
552 | { .p = cpu_all_int } }, | |
553 | }; | |
554 | ||
555 | static int_ptr kn02ca_asic_mask_nr_tbl[][2] __initdata = { | |
556 | { { .i = IO_IRQ_DMA }, | |
557 | { .p = asic_dma_int } }, | |
558 | { { .i = IO_IRQ_MASK(KN02CA_IO_INR_SCC0) }, | |
559 | { .i = IO_IRQ_NR(KN02CA_IO_INR_SCC0) } }, | |
560 | { { .i = IO_IRQ_MASK(KN02CA_IO_INR_ASC) }, | |
561 | { .i = IO_IRQ_NR(KN02CA_IO_INR_ASC) } }, | |
562 | { { .i = IO_IRQ_MASK(KN02CA_IO_INR_LANCE) }, | |
563 | { .i = IO_IRQ_NR(KN02CA_IO_INR_LANCE) } }, | |
564 | { { .i = IO_IRQ_MASK(KN02CA_IO_INR_TC1) }, | |
565 | { .i = IO_IRQ_NR(KN02CA_IO_INR_TC1) } }, | |
566 | { { .i = IO_IRQ_MASK(KN02CA_IO_INR_TC0) }, | |
567 | { .i = IO_IRQ_NR(KN02CA_IO_INR_TC0) } }, | |
568 | { { .i = IO_IRQ_ALL }, | |
569 | { .p = asic_all_int } }, | |
570 | }; | |
571 | ||
572 | void __init dec_init_kn02ca(void) | |
573 | { | |
574 | /* IRQ routing. */ | |
575 | memcpy(&dec_interrupt, &kn02ca_interrupt, | |
576 | sizeof(kn02ca_interrupt)); | |
577 | ||
578 | /* CPU IRQ priorities. */ | |
579 | memcpy(&cpu_mask_nr_tbl, &kn02ca_cpu_mask_nr_tbl, | |
580 | sizeof(kn02ca_cpu_mask_nr_tbl)); | |
581 | ||
582 | /* I/O ASIC IRQ priorities. */ | |
583 | memcpy(&asic_mask_nr_tbl, &kn02ca_asic_mask_nr_tbl, | |
584 | sizeof(kn02ca_asic_mask_nr_tbl)); | |
585 | ||
586 | mips_cpu_irq_init(DEC_CPU_IRQ_BASE); | |
587 | init_ioasic_irqs(IO_IRQ_BASE); | |
588 | ||
589 | } /* dec_init_kn02ca */ | |
590 | ||
591 | ||
592 | /* | |
593 | * Machine-specific initialisation for KN03, aka DS5000/240, | |
594 | * aka 3max+ and DS5900, aka BIGmax. Also applies to KN05, aka | |
595 | * DS5000/260, aka 4max+ and DS5900/260. | |
596 | */ | |
597 | static int kn03_interrupt[DEC_NR_INTS] __initdata = { | |
598 | [DEC_IRQ_CASCADE] = DEC_CPU_IRQ_NR(KN03_CPU_INR_CASCADE), | |
599 | [DEC_IRQ_AB_RECV] = -1, | |
600 | [DEC_IRQ_AB_XMIT] = -1, | |
601 | [DEC_IRQ_DZ11] = -1, | |
602 | [DEC_IRQ_ASC] = IO_IRQ_NR(KN03_IO_INR_ASC), | |
603 | [DEC_IRQ_FLOPPY] = -1, | |
604 | [DEC_IRQ_FPU] = DEC_CPU_IRQ_NR(DEC_CPU_INR_FPU), | |
605 | [DEC_IRQ_HALT] = DEC_CPU_IRQ_NR(KN03_CPU_INR_HALT), | |
606 | [DEC_IRQ_ISDN] = -1, | |
607 | [DEC_IRQ_LANCE] = IO_IRQ_NR(KN03_IO_INR_LANCE), | |
608 | [DEC_IRQ_BUS] = DEC_CPU_IRQ_NR(KN03_CPU_INR_BUS), | |
609 | [DEC_IRQ_PSU] = IO_IRQ_NR(KN03_IO_INR_PSU), | |
610 | [DEC_IRQ_RTC] = DEC_CPU_IRQ_NR(KN03_CPU_INR_RTC), | |
611 | [DEC_IRQ_SCC0] = IO_IRQ_NR(KN03_IO_INR_SCC0), | |
612 | [DEC_IRQ_SCC1] = IO_IRQ_NR(KN03_IO_INR_SCC1), | |
613 | [DEC_IRQ_SII] = -1, | |
614 | [DEC_IRQ_TC0] = IO_IRQ_NR(KN03_IO_INR_TC0), | |
615 | [DEC_IRQ_TC1] = IO_IRQ_NR(KN03_IO_INR_TC1), | |
616 | [DEC_IRQ_TC2] = IO_IRQ_NR(KN03_IO_INR_TC2), | |
617 | [DEC_IRQ_TIMER] = -1, | |
618 | [DEC_IRQ_VIDEO] = -1, | |
619 | [DEC_IRQ_ASC_MERR] = IO_IRQ_NR(IO_INR_ASC_MERR), | |
620 | [DEC_IRQ_ASC_ERR] = IO_IRQ_NR(IO_INR_ASC_ERR), | |
621 | [DEC_IRQ_ASC_DMA] = IO_IRQ_NR(IO_INR_ASC_DMA), | |
622 | [DEC_IRQ_FLOPPY_ERR] = -1, | |
623 | [DEC_IRQ_ISDN_ERR] = -1, | |
624 | [DEC_IRQ_ISDN_RXDMA] = -1, | |
625 | [DEC_IRQ_ISDN_TXDMA] = -1, | |
626 | [DEC_IRQ_LANCE_MERR] = IO_IRQ_NR(IO_INR_LANCE_MERR), | |
627 | [DEC_IRQ_SCC0A_RXERR] = IO_IRQ_NR(IO_INR_SCC0A_RXERR), | |
628 | [DEC_IRQ_SCC0A_RXDMA] = IO_IRQ_NR(IO_INR_SCC0A_RXDMA), | |
629 | [DEC_IRQ_SCC0A_TXERR] = IO_IRQ_NR(IO_INR_SCC0A_TXERR), | |
630 | [DEC_IRQ_SCC0A_TXDMA] = IO_IRQ_NR(IO_INR_SCC0A_TXDMA), | |
631 | [DEC_IRQ_AB_RXERR] = -1, | |
632 | [DEC_IRQ_AB_RXDMA] = -1, | |
633 | [DEC_IRQ_AB_TXERR] = -1, | |
634 | [DEC_IRQ_AB_TXDMA] = -1, | |
635 | [DEC_IRQ_SCC1A_RXERR] = IO_IRQ_NR(IO_INR_SCC1A_RXERR), | |
636 | [DEC_IRQ_SCC1A_RXDMA] = IO_IRQ_NR(IO_INR_SCC1A_RXDMA), | |
637 | [DEC_IRQ_SCC1A_TXERR] = IO_IRQ_NR(IO_INR_SCC1A_TXERR), | |
638 | [DEC_IRQ_SCC1A_TXDMA] = IO_IRQ_NR(IO_INR_SCC1A_TXDMA), | |
639 | }; | |
640 | ||
641 | static int_ptr kn03_cpu_mask_nr_tbl[][2] __initdata = { | |
642 | { { .i = DEC_CPU_IRQ_MASK(KN03_CPU_INR_BUS) }, | |
643 | { .i = DEC_CPU_IRQ_NR(KN03_CPU_INR_BUS) } }, | |
644 | { { .i = DEC_CPU_IRQ_MASK(KN03_CPU_INR_RTC) }, | |
645 | { .i = DEC_CPU_IRQ_NR(KN03_CPU_INR_RTC) } }, | |
646 | { { .i = DEC_CPU_IRQ_MASK(KN03_CPU_INR_CASCADE) }, | |
647 | { .p = kn03_io_int } }, | |
648 | { { .i = DEC_CPU_IRQ_ALL }, | |
649 | { .p = cpu_all_int } }, | |
650 | }; | |
651 | ||
652 | static int_ptr kn03_asic_mask_nr_tbl[][2] __initdata = { | |
653 | { { .i = IO_IRQ_DMA }, | |
654 | { .p = asic_dma_int } }, | |
655 | { { .i = IO_IRQ_MASK(KN03_IO_INR_SCC0) }, | |
656 | { .i = IO_IRQ_NR(KN03_IO_INR_SCC0) } }, | |
657 | { { .i = IO_IRQ_MASK(KN03_IO_INR_SCC1) }, | |
658 | { .i = IO_IRQ_NR(KN03_IO_INR_SCC1) } }, | |
659 | { { .i = IO_IRQ_MASK(KN03_IO_INR_ASC) }, | |
660 | { .i = IO_IRQ_NR(KN03_IO_INR_ASC) } }, | |
661 | { { .i = IO_IRQ_MASK(KN03_IO_INR_LANCE) }, | |
662 | { .i = IO_IRQ_NR(KN03_IO_INR_LANCE) } }, | |
663 | { { .i = IO_IRQ_MASK(KN03_IO_INR_TC2) }, | |
664 | { .i = IO_IRQ_NR(KN03_IO_INR_TC2) } }, | |
665 | { { .i = IO_IRQ_MASK(KN03_IO_INR_TC1) }, | |
666 | { .i = IO_IRQ_NR(KN03_IO_INR_TC1) } }, | |
667 | { { .i = IO_IRQ_MASK(KN03_IO_INR_TC0) }, | |
668 | { .i = IO_IRQ_NR(KN03_IO_INR_TC0) } }, | |
669 | { { .i = IO_IRQ_ALL }, | |
670 | { .p = asic_all_int } }, | |
671 | }; | |
672 | ||
673 | void __init dec_init_kn03(void) | |
674 | { | |
675 | /* IRQ routing. */ | |
676 | memcpy(&dec_interrupt, &kn03_interrupt, | |
677 | sizeof(kn03_interrupt)); | |
678 | ||
679 | /* CPU IRQ priorities. */ | |
680 | memcpy(&cpu_mask_nr_tbl, &kn03_cpu_mask_nr_tbl, | |
681 | sizeof(kn03_cpu_mask_nr_tbl)); | |
682 | ||
683 | /* I/O ASIC IRQ priorities. */ | |
684 | memcpy(&asic_mask_nr_tbl, &kn03_asic_mask_nr_tbl, | |
685 | sizeof(kn03_asic_mask_nr_tbl)); | |
686 | ||
687 | mips_cpu_irq_init(DEC_CPU_IRQ_BASE); | |
688 | init_ioasic_irqs(IO_IRQ_BASE); | |
689 | ||
690 | } /* dec_init_kn03 */ | |
691 | ||
692 | ||
693 | void __init arch_init_irq(void) | |
694 | { | |
695 | switch (mips_machtype) { | |
696 | case MACH_DS23100: /* DS2100/DS3100 Pmin/Pmax */ | |
697 | dec_init_kn01(); | |
698 | break; | |
699 | case MACH_DS5100: /* DS5100 MIPSmate */ | |
700 | dec_init_kn230(); | |
701 | break; | |
702 | case MACH_DS5000_200: /* DS5000/200 3max */ | |
703 | dec_init_kn02(); | |
704 | break; | |
705 | case MACH_DS5000_1XX: /* DS5000/1xx 3min */ | |
706 | dec_init_kn02ba(); | |
707 | break; | |
708 | case MACH_DS5000_2X0: /* DS5000/240 3max+ */ | |
709 | case MACH_DS5900: /* DS5900 bigmax */ | |
710 | dec_init_kn03(); | |
711 | break; | |
712 | case MACH_DS5000_XX: /* Personal DS5000/xx */ | |
713 | dec_init_kn02ca(); | |
714 | break; | |
715 | case MACH_DS5800: /* DS5800 Isis */ | |
716 | panic("Don't know how to set this up!"); | |
717 | break; | |
718 | case MACH_DS5400: /* DS5400 MIPSfair */ | |
719 | panic("Don't know how to set this up!"); | |
720 | break; | |
721 | case MACH_DS5500: /* DS5500 MIPSfair-2 */ | |
722 | panic("Don't know how to set this up!"); | |
723 | break; | |
724 | } | |
725 | set_except_vector(0, decstation_handle_int); | |
726 | ||
727 | /* Free the FPU interrupt if the exception is present. */ | |
728 | if (!cpu_has_nofpuex) { | |
729 | cpu_fpu_mask = 0; | |
730 | dec_interrupt[DEC_IRQ_FPU] = -1; | |
731 | } | |
732 | ||
733 | /* Register board interrupts: FPU and cascade. */ | |
734 | if (dec_interrupt[DEC_IRQ_FPU] >= 0) | |
735 | setup_irq(dec_interrupt[DEC_IRQ_FPU], &fpuirq); | |
736 | if (dec_interrupt[DEC_IRQ_CASCADE] >= 0) | |
737 | setup_irq(dec_interrupt[DEC_IRQ_CASCADE], &ioirq); | |
738 | ||
739 | /* Register the bus error interrupt. */ | |
740 | if (dec_interrupt[DEC_IRQ_BUS] >= 0 && busirq.handler) | |
741 | setup_irq(dec_interrupt[DEC_IRQ_BUS], &busirq); | |
742 | ||
743 | /* Register the HALT interrupt. */ | |
744 | if (dec_interrupt[DEC_IRQ_HALT] >= 0) | |
745 | setup_irq(dec_interrupt[DEC_IRQ_HALT], &haltirq); | |
746 | } | |
747 | ||
748 | EXPORT_SYMBOL(ioasic_base); | |
749 | EXPORT_SYMBOL(dec_kn_slot_size); | |
750 | EXPORT_SYMBOL(dec_interrupt); |