1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * linux/arch/alpha/kernel/sys_sable.c
4 *
5 * Copyright (C) 1995 David A Rusling
6 * Copyright (C) 1996 Jay A Estabrook
7 * Copyright (C) 1998, 1999 Richard Henderson
8 *
9 * Code supporting the Sable, Sable-Gamma, and Lynx systems.
10 */
11
12 #include <linux/kernel.h>
13 #include <linux/types.h>
14 #include <linux/mm.h>
15 #include <linux/sched.h>
16 #include <linux/pci.h>
17 #include <linux/init.h>
18
19 #include <asm/ptrace.h>
20 #include <asm/dma.h>
21 #include <asm/irq.h>
22 #include <asm/mmu_context.h>
23 #include <asm/io.h>
24 #include <asm/pgtable.h>
25 #include <asm/core_t2.h>
26 #include <asm/tlbflush.h>
27
28 #include "proto.h"
29 #include "irq_impl.h"
30 #include "pci_impl.h"
31 #include "machvec_impl.h"
32
33 DEFINE_SPINLOCK(sable_lynx_irq_lock);
34
35 typedef struct irq_swizzle_struct
36 {
37 char irq_to_mask[64];
38 char mask_to_irq[64];
39
40 /* Note mask bit is true for DISABLED irqs. */
41 unsigned long shadow_mask;
42
43 void (*update_irq_hw)(unsigned long bit, unsigned long mask);
44 void (*ack_irq_hw)(unsigned long bit);
45
46 } irq_swizzle_t;
47
48 static irq_swizzle_t *sable_lynx_irq_swizzle;
49
50 static void sable_lynx_init_irq(int nr_of_irqs);
51
52 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SABLE)
53
54 /***********************************************************************/
55 /*
56 * For SABLE, which is really baroque, we manage 40 IRQ's, but the
57 * hardware really only supports 24, not via normal ISA PIC,
58 * but cascaded custom 8259's, etc.
59 * 0-7 (char at 536)
60 * 8-15 (char at 53a)
61 * 16-23 (char at 53c)
62 *
63 * Summary Registers (536/53a/53c):
64 *
65 * Bit Meaning Kernel IRQ
66 *------------------------------------------
67 * 0 PCI slot 0 34
68 * 1 NCR810 (builtin) 33
69 * 2 TULIP (builtin) 32
70 * 3 mouse 12
71 * 4 PCI slot 1 35
72 * 5 PCI slot 2 36
73 * 6 keyboard 1
74 * 7 floppy 6
75 * 8 COM2 3
76 * 9 parallel port 7
77 *10 EISA irq 3 -
78 *11 EISA irq 4 -
79 *12 EISA irq 5 5
80 *13 EISA irq 6 -
81 *14 EISA irq 7 -
82 *15 COM1 4
83 *16 EISA irq 9 9
84 *17 EISA irq 10 10
85 *18 EISA irq 11 11
86 *19 EISA irq 12 -
87 *20 EISA irq 13 -
88 *21 EISA irq 14 14
89 *22 NC 15
90 *23 IIC -
91 */
92
93 static void
94 sable_update_irq_hw(unsigned long bit, unsigned long mask)
95 {
96 int port = 0x537;
97
98 if (bit >= 16) {
99 port = 0x53d;
100 mask >>= 16;
101 } else if (bit >= 8) {
102 port = 0x53b;
103 mask >>= 8;
104 }
105
106 outb(mask, port);
107 }
108
109 static void
110 sable_ack_irq_hw(unsigned long bit)
111 {
112 int port, val1, val2;
113
114 if (bit >= 16) {
115 port = 0x53c;
116 val1 = 0xE0 | (bit - 16);
117 val2 = 0xE0 | 4;
118 } else if (bit >= 8) {
119 port = 0x53a;
120 val1 = 0xE0 | (bit - 8);
121 val2 = 0xE0 | 3;
122 } else {
123 port = 0x536;
124 val1 = 0xE0 | (bit - 0);
125 val2 = 0xE0 | 1;
126 }
127
128 outb(val1, port); /* ack the slave */
129 outb(val2, 0x534); /* ack the master */
130 }
131
132 static irq_swizzle_t sable_irq_swizzle = {
133 {
134 -1, 6, -1, 8, 15, 12, 7, 9, /* pseudo PIC 0-7 */
135 -1, 16, 17, 18, 3, -1, 21, 22, /* pseudo PIC 8-15 */
136 -1, -1, -1, -1, -1, -1, -1, -1, /* pseudo EISA 0-7 */
137 -1, -1, -1, -1, -1, -1, -1, -1, /* pseudo EISA 8-15 */
138 2, 1, 0, 4, 5, -1, -1, -1, /* pseudo PCI */
139 -1, -1, -1, -1, -1, -1, -1, -1, /* */
140 -1, -1, -1, -1, -1, -1, -1, -1, /* */
141 -1, -1, -1, -1, -1, -1, -1, -1 /* */
142 },
143 {
144 34, 33, 32, 12, 35, 36, 1, 6, /* mask 0-7 */
145 3, 7, -1, -1, 5, -1, -1, 4, /* mask 8-15 */
146 9, 10, 11, -1, -1, 14, 15, -1, /* mask 16-23 */
147 -1, -1, -1, -1, -1, -1, -1, -1, /* */
148 -1, -1, -1, -1, -1, -1, -1, -1, /* */
149 -1, -1, -1, -1, -1, -1, -1, -1, /* */
150 -1, -1, -1, -1, -1, -1, -1, -1, /* */
151 -1, -1, -1, -1, -1, -1, -1, -1 /* */
152 },
153 -1,
154 sable_update_irq_hw,
155 sable_ack_irq_hw
156 };
157
158 static void __init
159 sable_init_irq(void)
160 {
161 outb(-1, 0x537); /* slave 0 */
162 outb(-1, 0x53b); /* slave 1 */
163 outb(-1, 0x53d); /* slave 2 */
164 outb(0x44, 0x535); /* enable cascades in master */
165
166 sable_lynx_irq_swizzle = &sable_irq_swizzle;
167 sable_lynx_init_irq(40);
168 }
169
170 /*
171 * PCI Fixup configuration for ALPHA SABLE (2100).
172 *
173 * The device to slot mapping looks like:
174 *
175 * Slot Device
176 * 0 TULIP
177 * 1 SCSI
178 * 2 PCI-EISA bridge
179 * 3 none
180 * 4 none
181 * 5 none
182 * 6 PCI on board slot 0
183 * 7 PCI on board slot 1
184 * 8 PCI on board slot 2
185 *
186 *
187 * This two layered interrupt approach means that we allocate IRQ 16 and
188 * above for PCI interrupts. The IRQ relates to which bit the interrupt
189 * comes in on. This makes interrupt processing much easier.
190 */
191 /*
192 * NOTE: the IRQ assignments below are arbitrary, but need to be consistent
193 * with the values in the irq swizzling tables above.
194 */
195
196 static int
197 sable_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
198 {
199 static char irq_tab[9][5] = {
200 /*INT INTA INTB INTC INTD */
201 { 32+0, 32+0, 32+0, 32+0, 32+0}, /* IdSel 0, TULIP */
202 { 32+1, 32+1, 32+1, 32+1, 32+1}, /* IdSel 1, SCSI */
203 { -1, -1, -1, -1, -1}, /* IdSel 2, SIO */
204 { -1, -1, -1, -1, -1}, /* IdSel 3, none */
205 { -1, -1, -1, -1, -1}, /* IdSel 4, none */
206 { -1, -1, -1, -1, -1}, /* IdSel 5, none */
207 { 32+2, 32+2, 32+2, 32+2, 32+2}, /* IdSel 6, slot 0 */
208 { 32+3, 32+3, 32+3, 32+3, 32+3}, /* IdSel 7, slot 1 */
209 { 32+4, 32+4, 32+4, 32+4, 32+4} /* IdSel 8, slot 2 */
210 };
211 long min_idsel = 0, max_idsel = 8, irqs_per_slot = 5;
212 return COMMON_TABLE_LOOKUP;
213 }
214 #endif /* defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SABLE) */
215
216 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_LYNX)
217
218 /***********************************************************************/
219 /* LYNX hardware specifics
220 */
221 /*
222 * For LYNX, which is also baroque, we manage 64 IRQs, via a custom IC.
223 *
224 * Bit Meaning Kernel IRQ
225 *------------------------------------------
226 * 0
227 * 1
228 * 2
229 * 3 mouse 12
230 * 4
231 * 5
232 * 6 keyboard 1
233 * 7 floppy 6
234 * 8 COM2 3
235 * 9 parallel port 7
236 *10 EISA irq 3 -
237 *11 EISA irq 4 -
238 *12 EISA irq 5 5
239 *13 EISA irq 6 -
240 *14 EISA irq 7 -
241 *15 COM1 4
242 *16 EISA irq 9 9
243 *17 EISA irq 10 10
244 *18 EISA irq 11 11
245 *19 EISA irq 12 -
246 *20
247 *21 EISA irq 14 14
248 *22 EISA irq 15 15
249 *23 IIC -
250 *24 VGA (builtin) -
251 *25
252 *26
253 *27
254 *28 NCR810 (builtin) 28
255 *29
256 *30
257 *31
258 *32 PCI 0 slot 4 A primary bus 32
259 *33 PCI 0 slot 4 B primary bus 33
260 *34 PCI 0 slot 4 C primary bus 34
261 *35 PCI 0 slot 4 D primary bus
262 *36 PCI 0 slot 5 A primary bus
263 *37 PCI 0 slot 5 B primary bus
264 *38 PCI 0 slot 5 C primary bus
265 *39 PCI 0 slot 5 D primary bus
266 *40 PCI 0 slot 6 A primary bus
267 *41 PCI 0 slot 6 B primary bus
268 *42 PCI 0 slot 6 C primary bus
269 *43 PCI 0 slot 6 D primary bus
270 *44 PCI 0 slot 7 A primary bus
271 *45 PCI 0 slot 7 B primary bus
272 *46 PCI 0 slot 7 C primary bus
273 *47 PCI 0 slot 7 D primary bus
274 *48 PCI 0 slot 0 A secondary bus
275 *49 PCI 0 slot 0 B secondary bus
276 *50 PCI 0 slot 0 C secondary bus
277 *51 PCI 0 slot 0 D secondary bus
278 *52 PCI 0 slot 1 A secondary bus
279 *53 PCI 0 slot 1 B secondary bus
280 *54 PCI 0 slot 1 C secondary bus
281 *55 PCI 0 slot 1 D secondary bus
282 *56 PCI 0 slot 2 A secondary bus
283 *57 PCI 0 slot 2 B secondary bus
284 *58 PCI 0 slot 2 C secondary bus
285 *59 PCI 0 slot 2 D secondary bus
286 *60 PCI 0 slot 3 A secondary bus
287 *61 PCI 0 slot 3 B secondary bus
288 *62 PCI 0 slot 3 C secondary bus
289 *63 PCI 0 slot 3 D secondary bus
290 */
291
292 static void
293 lynx_update_irq_hw(unsigned long bit, unsigned long mask)
294 {
295 /*
296 * Write the AIR register on the T3/T4 with the
297 * address of the IC mask register (offset 0x40)
298 */
299 *(vulp)T2_AIR = 0x40;
300 mb();
301 *(vulp)T2_AIR; /* re-read to force write */
302 mb();
303 *(vulp)T2_DIR = mask;
304 mb();
305 mb();
306 }
307
308 static void
309 lynx_ack_irq_hw(unsigned long bit)
310 {
311 *(vulp)T2_VAR = (u_long) bit;
312 mb();
313 mb();
314 }
315
316 static irq_swizzle_t lynx_irq_swizzle = {
317 { /* irq_to_mask */
318 -1, 6, -1, 8, 15, 12, 7, 9, /* pseudo PIC 0-7 */
319 -1, 16, 17, 18, 3, -1, 21, 22, /* pseudo PIC 8-15 */
320 -1, -1, -1, -1, -1, -1, -1, -1, /* pseudo */
321 -1, -1, -1, -1, 28, -1, -1, -1, /* pseudo */
322 32, 33, 34, 35, 36, 37, 38, 39, /* mask 32-39 */
323 40, 41, 42, 43, 44, 45, 46, 47, /* mask 40-47 */
324 48, 49, 50, 51, 52, 53, 54, 55, /* mask 48-55 */
325 56, 57, 58, 59, 60, 61, 62, 63 /* mask 56-63 */
326 },
327 { /* mask_to_irq */
328 -1, -1, -1, 12, -1, -1, 1, 6, /* mask 0-7 */
329 3, 7, -1, -1, 5, -1, -1, 4, /* mask 8-15 */
330 9, 10, 11, -1, -1, 14, 15, -1, /* mask 16-23 */
331 -1, -1, -1, -1, 28, -1, -1, -1, /* mask 24-31 */
332 32, 33, 34, 35, 36, 37, 38, 39, /* mask 32-39 */
333 40, 41, 42, 43, 44, 45, 46, 47, /* mask 40-47 */
334 48, 49, 50, 51, 52, 53, 54, 55, /* mask 48-55 */
335 56, 57, 58, 59, 60, 61, 62, 63 /* mask 56-63 */
336 },
337 -1,
338 lynx_update_irq_hw,
339 lynx_ack_irq_hw
340 };
341
342 static void __init
343 lynx_init_irq(void)
344 {
345 sable_lynx_irq_swizzle = &lynx_irq_swizzle;
346 sable_lynx_init_irq(64);
347 }
348
349 /*
350 * PCI Fixup configuration for ALPHA LYNX (2100A)
351 *
352 * The device to slot mapping looks like:
353 *
354 * Slot Device
355 * 0 none
356 * 1 none
357 * 2 PCI-EISA bridge
358 * 3 PCI-PCI bridge
359 * 4 NCR 810 (Demi-Lynx only)
360 * 5 none
361 * 6 PCI on board slot 4
362 * 7 PCI on board slot 5
363 * 8 PCI on board slot 6
364 * 9 PCI on board slot 7
365 *
366 * And behind the PPB we have:
367 *
368 * 11 PCI on board slot 0
369 * 12 PCI on board slot 1
370 * 13 PCI on board slot 2
371 * 14 PCI on board slot 3
372 */
373 /*
374 * NOTE: the IRQ assignments below are arbitrary, but need to be consistent
375 * with the values in the irq swizzling tables above.
376 */
377
378 static int
379 lynx_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
380 {
381 static char irq_tab[19][5] = {
382 /*INT INTA INTB INTC INTD */
383 { -1, -1, -1, -1, -1}, /* IdSel 13, PCEB */
384 { -1, -1, -1, -1, -1}, /* IdSel 14, PPB */
385 { 28, 28, 28, 28, 28}, /* IdSel 15, NCR demi */
386 { -1, -1, -1, -1, -1}, /* IdSel 16, none */
387 { 32, 32, 33, 34, 35}, /* IdSel 17, slot 4 */
388 { 36, 36, 37, 38, 39}, /* IdSel 18, slot 5 */
389 { 40, 40, 41, 42, 43}, /* IdSel 19, slot 6 */
390 { 44, 44, 45, 46, 47}, /* IdSel 20, slot 7 */
391 { -1, -1, -1, -1, -1}, /* IdSel 22, none */
392 /* The following are actually behind the PPB. */
393 { -1, -1, -1, -1, -1}, /* IdSel 16 none */
394 { 28, 28, 28, 28, 28}, /* IdSel 17 NCR lynx */
395 { -1, -1, -1, -1, -1}, /* IdSel 18 none */
396 { -1, -1, -1, -1, -1}, /* IdSel 19 none */
397 { -1, -1, -1, -1, -1}, /* IdSel 20 none */
398 { -1, -1, -1, -1, -1}, /* IdSel 21 none */
399 { 48, 48, 49, 50, 51}, /* IdSel 22 slot 0 */
400 { 52, 52, 53, 54, 55}, /* IdSel 23 slot 1 */
401 { 56, 56, 57, 58, 59}, /* IdSel 24 slot 2 */
402 { 60, 60, 61, 62, 63} /* IdSel 25 slot 3 */
403 };
404 const long min_idsel = 2, max_idsel = 20, irqs_per_slot = 5;
405 return COMMON_TABLE_LOOKUP;
406 }
407
408 static u8
409 lynx_swizzle(struct pci_dev *dev, u8 *pinp)
410 {
411 int slot, pin = *pinp;
412
413 if (dev->bus->number == 0) {
414 slot = PCI_SLOT(dev->devfn);
415 }
416 /* Check for the built-in bridge */
417 else if (PCI_SLOT(dev->bus->self->devfn) == 3) {
418 slot = PCI_SLOT(dev->devfn) + 11;
419 }
420 else
421 {
422 /* Must be a card-based bridge. */
423 do {
424 if (PCI_SLOT(dev->bus->self->devfn) == 3) {
425 slot = PCI_SLOT(dev->devfn) + 11;
426 break;
427 }
428 pin = pci_swizzle_interrupt_pin(dev, pin);
429
430 /* Move up the chain of bridges. */
431 dev = dev->bus->self;
432 /* Slot of the next bridge. */
433 slot = PCI_SLOT(dev->devfn);
434 } while (dev->bus->self);
435 }
436 *pinp = pin;
437 return slot;
438 }
439
440 #endif /* defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_LYNX) */
441
442 /***********************************************************************/
443 /* GENERIC irq routines */
444
445 static inline void
446 sable_lynx_enable_irq(struct irq_data *d)
447 {
448 unsigned long bit, mask;
449
450 bit = sable_lynx_irq_swizzle->irq_to_mask[d->irq];
451 spin_lock(&sable_lynx_irq_lock);
452 mask = sable_lynx_irq_swizzle->shadow_mask &= ~(1UL << bit);
453 sable_lynx_irq_swizzle->update_irq_hw(bit, mask);
454 spin_unlock(&sable_lynx_irq_lock);
455 #if 0
456 printk("%s: mask 0x%lx bit 0x%lx irq 0x%x\n",
457 __func__, mask, bit, irq);
458 #endif
459 }
460
461 static void
462 sable_lynx_disable_irq(struct irq_data *d)
463 {
464 unsigned long bit, mask;
465
466 bit = sable_lynx_irq_swizzle->irq_to_mask[d->irq];
467 spin_lock(&sable_lynx_irq_lock);
468 mask = sable_lynx_irq_swizzle->shadow_mask |= 1UL << bit;
469 sable_lynx_irq_swizzle->update_irq_hw(bit, mask);
470 spin_unlock(&sable_lynx_irq_lock);
471 #if 0
472 printk("%s: mask 0x%lx bit 0x%lx irq 0x%x\n",
473 __func__, mask, bit, irq);
474 #endif
475 }
476
477 static void
478 sable_lynx_mask_and_ack_irq(struct irq_data *d)
479 {
480 unsigned long bit, mask;
481
482 bit = sable_lynx_irq_swizzle->irq_to_mask[d->irq];
483 spin_lock(&sable_lynx_irq_lock);
484 mask = sable_lynx_irq_swizzle->shadow_mask |= 1UL << bit;
485 sable_lynx_irq_swizzle->update_irq_hw(bit, mask);
486 sable_lynx_irq_swizzle->ack_irq_hw(bit);
487 spin_unlock(&sable_lynx_irq_lock);
488 }
489
490 static struct irq_chip sable_lynx_irq_type = {
491 .name = "SABLE/LYNX",
492 .irq_unmask = sable_lynx_enable_irq,
493 .irq_mask = sable_lynx_disable_irq,
494 .irq_mask_ack = sable_lynx_mask_and_ack_irq,
495 };
496
497 static void
498 sable_lynx_srm_device_interrupt(unsigned long vector)
499 {
500 /* Note that the vector reported by the SRM PALcode corresponds
501 to the interrupt mask bits, but we have to manage via the
502 so-called legacy IRQs for many common devices. */
503
504 int bit, irq;
505
506 bit = (vector - 0x800) >> 4;
507 irq = sable_lynx_irq_swizzle->mask_to_irq[bit];
508 #if 0
509 printk("%s: vector 0x%lx bit 0x%x irq 0x%x\n",
510 __func__, vector, bit, irq);
511 #endif
512 handle_irq(irq);
513 }
514
515 static void __init
516 sable_lynx_init_irq(int nr_of_irqs)
517 {
518 long i;
519
520 for (i = 0; i < nr_of_irqs; ++i) {
521 irq_set_chip_and_handler(i, &sable_lynx_irq_type,
522 handle_level_irq);
523 irq_set_status_flags(i, IRQ_LEVEL);
524 }
525
526 common_init_isa_dma();
527 }
528
529 static void __init
530 sable_lynx_init_pci(void)
531 {
532 common_init_pci();
533 }
534
535 /*****************************************************************/
536 /*
537 * The System Vectors
538 *
539 * In order that T2_HAE_ADDRESS should be a constant, we play
540 * these games with GAMMA_BIAS.
541 */
542
543 #if defined(CONFIG_ALPHA_GENERIC) || \
544 (defined(CONFIG_ALPHA_SABLE) && !defined(CONFIG_ALPHA_GAMMA))
545 #undef GAMMA_BIAS
546 #define GAMMA_BIAS 0
547 struct alpha_machine_vector sable_mv __initmv = {
548 .vector_name = "Sable",
549 DO_EV4_MMU,
550 DO_DEFAULT_RTC,
551 DO_T2_IO,
552 .machine_check = t2_machine_check,
553 .max_isa_dma_address = ALPHA_SABLE_MAX_ISA_DMA_ADDRESS,
554 .min_io_address = EISA_DEFAULT_IO_BASE,
555 .min_mem_address = T2_DEFAULT_MEM_BASE,
556
557 .nr_irqs = 40,
558 .device_interrupt = sable_lynx_srm_device_interrupt,
559
560 .init_arch = t2_init_arch,
561 .init_irq = sable_init_irq,
562 .init_rtc = common_init_rtc,
563 .init_pci = sable_lynx_init_pci,
564 .kill_arch = t2_kill_arch,
565 .pci_map_irq = sable_map_irq,
566 .pci_swizzle = common_swizzle,
567
568 .sys = { .t2 = {
569 .gamma_bias = 0
570 } }
571 };
572 ALIAS_MV(sable)
573 #endif /* GENERIC || (SABLE && !GAMMA) */
574
575 #if defined(CONFIG_ALPHA_GENERIC) || \
576 (defined(CONFIG_ALPHA_SABLE) && defined(CONFIG_ALPHA_GAMMA))
577 #undef GAMMA_BIAS
578 #define GAMMA_BIAS _GAMMA_BIAS
579 struct alpha_machine_vector sable_gamma_mv __initmv = {
580 .vector_name = "Sable-Gamma",
581 DO_EV5_MMU,
582 DO_DEFAULT_RTC,
583 DO_T2_IO,
584 .machine_check = t2_machine_check,
585 .max_isa_dma_address = ALPHA_SABLE_MAX_ISA_DMA_ADDRESS,
586 .min_io_address = EISA_DEFAULT_IO_BASE,
587 .min_mem_address = T2_DEFAULT_MEM_BASE,
588
589 .nr_irqs = 40,
590 .device_interrupt = sable_lynx_srm_device_interrupt,
591
592 .init_arch = t2_init_arch,
593 .init_irq = sable_init_irq,
594 .init_rtc = common_init_rtc,
595 .init_pci = sable_lynx_init_pci,
596 .kill_arch = t2_kill_arch,
597 .pci_map_irq = sable_map_irq,
598 .pci_swizzle = common_swizzle,
599
600 .sys = { .t2 = {
601 .gamma_bias = _GAMMA_BIAS
602 } }
603 };
604 ALIAS_MV(sable_gamma)
605 #endif /* GENERIC || (SABLE && GAMMA) */
606
607 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_LYNX)
608 #undef GAMMA_BIAS
609 #define GAMMA_BIAS _GAMMA_BIAS
610 struct alpha_machine_vector lynx_mv __initmv = {
611 .vector_name = "Lynx",
612 DO_EV4_MMU,
613 DO_DEFAULT_RTC,
614 DO_T2_IO,
615 .machine_check = t2_machine_check,
616 .max_isa_dma_address = ALPHA_SABLE_MAX_ISA_DMA_ADDRESS,
617 .min_io_address = EISA_DEFAULT_IO_BASE,
618 .min_mem_address = T2_DEFAULT_MEM_BASE,
619
620 .nr_irqs = 64,
621 .device_interrupt = sable_lynx_srm_device_interrupt,
622
623 .init_arch = t2_init_arch,
624 .init_irq = lynx_init_irq,
625 .init_rtc = common_init_rtc,
626 .init_pci = sable_lynx_init_pci,
627 .kill_arch = t2_kill_arch,
628 .pci_map_irq = lynx_map_irq,
629 .pci_swizzle = lynx_swizzle,
630
631 .sys = { .t2 = {
632 .gamma_bias = _GAMMA_BIAS
633 } }
634 };
635 ALIAS_MV(lynx)
636 #endif /* GENERIC || LYNX */