ia64/linux-2.6.18-xen.hg

view arch/alpha/kernel/sys_sable.c @ 0:831230e53067

Import 2.6.18 from kernel.org tarball.
author Ian Campbell <ian.campbell@xensource.com>
date Wed Apr 11 14:15:44 2007 +0100 (2007-04-11)
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1 /*
2 * linux/arch/alpha/kernel/sys_sable.c
3 *
4 * Copyright (C) 1995 David A Rusling
5 * Copyright (C) 1996 Jay A Estabrook
6 * Copyright (C) 1998, 1999 Richard Henderson
7 *
8 * Code supporting the Sable, Sable-Gamma, and Lynx systems.
9 */
11 #include <linux/kernel.h>
12 #include <linux/types.h>
13 #include <linux/mm.h>
14 #include <linux/sched.h>
15 #include <linux/pci.h>
16 #include <linux/init.h>
18 #include <asm/ptrace.h>
19 #include <asm/system.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>
28 #include "proto.h"
29 #include "irq_impl.h"
30 #include "pci_impl.h"
31 #include "machvec_impl.h"
33 DEFINE_SPINLOCK(sable_lynx_irq_lock);
35 typedef struct irq_swizzle_struct
36 {
37 char irq_to_mask[64];
38 char mask_to_irq[64];
40 /* Note mask bit is true for DISABLED irqs. */
41 unsigned long shadow_mask;
43 void (*update_irq_hw)(unsigned long bit, unsigned long mask);
44 void (*ack_irq_hw)(unsigned long bit);
46 } irq_swizzle_t;
48 static irq_swizzle_t *sable_lynx_irq_swizzle;
50 static void sable_lynx_init_irq(int nr_irqs);
52 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SABLE)
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 */
93 static void
94 sable_update_irq_hw(unsigned long bit, unsigned long mask)
95 {
96 int port = 0x537;
98 if (bit >= 16) {
99 port = 0x53d;
100 mask >>= 16;
101 } else if (bit >= 8) {
102 port = 0x53b;
103 mask >>= 8;
104 }
106 outb(mask, port);
107 }
109 static void
110 sable_ack_irq_hw(unsigned long bit)
111 {
112 int port, val1, val2;
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 }
128 outb(val1, port); /* ack the slave */
129 outb(val2, 0x534); /* ack the master */
130 }
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 };
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 */
166 sable_lynx_irq_swizzle = &sable_irq_swizzle;
167 sable_lynx_init_irq(40);
168 }
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 */
196 static int __init
197 sable_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
198 {
199 static char irq_tab[9][5] __initdata = {
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) */
216 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_LYNX)
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 */
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 }
308 static void
309 lynx_ack_irq_hw(unsigned long bit)
310 {
311 *(vulp)T2_VAR = (u_long) bit;
312 mb();
313 mb();
314 }
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 };
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 }
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 */
378 static int __init
379 lynx_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
380 {
381 static char irq_tab[19][5] __initdata = {
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 }
408 static u8 __init
409 lynx_swizzle(struct pci_dev *dev, u8 *pinp)
410 {
411 int slot, pin = *pinp;
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 = bridge_swizzle(pin, PCI_SLOT(dev->devfn)) ;
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 }
440 #endif /* defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_LYNX) */
442 /***********************************************************************/
443 /* GENERIC irq routines */
445 static inline void
446 sable_lynx_enable_irq(unsigned int irq)
447 {
448 unsigned long bit, mask;
450 bit = sable_lynx_irq_swizzle->irq_to_mask[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%x irq 0x%x\n",
457 __FUNCTION__, mask, bit, irq);
458 #endif
459 }
461 static void
462 sable_lynx_disable_irq(unsigned int irq)
463 {
464 unsigned long bit, mask;
466 bit = sable_lynx_irq_swizzle->irq_to_mask[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%x irq 0x%x\n",
473 __FUNCTION__, mask, bit, irq);
474 #endif
475 }
477 static unsigned int
478 sable_lynx_startup_irq(unsigned int irq)
479 {
480 sable_lynx_enable_irq(irq);
481 return 0;
482 }
484 static void
485 sable_lynx_end_irq(unsigned int irq)
486 {
487 if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
488 sable_lynx_enable_irq(irq);
489 }
491 static void
492 sable_lynx_mask_and_ack_irq(unsigned int irq)
493 {
494 unsigned long bit, mask;
496 bit = sable_lynx_irq_swizzle->irq_to_mask[irq];
497 spin_lock(&sable_lynx_irq_lock);
498 mask = sable_lynx_irq_swizzle->shadow_mask |= 1UL << bit;
499 sable_lynx_irq_swizzle->update_irq_hw(bit, mask);
500 sable_lynx_irq_swizzle->ack_irq_hw(bit);
501 spin_unlock(&sable_lynx_irq_lock);
502 }
504 static struct hw_interrupt_type sable_lynx_irq_type = {
505 .typename = "SABLE/LYNX",
506 .startup = sable_lynx_startup_irq,
507 .shutdown = sable_lynx_disable_irq,
508 .enable = sable_lynx_enable_irq,
509 .disable = sable_lynx_disable_irq,
510 .ack = sable_lynx_mask_and_ack_irq,
511 .end = sable_lynx_end_irq,
512 };
514 static void
515 sable_lynx_srm_device_interrupt(unsigned long vector, struct pt_regs * regs)
516 {
517 /* Note that the vector reported by the SRM PALcode corresponds
518 to the interrupt mask bits, but we have to manage via the
519 so-called legacy IRQs for many common devices. */
521 int bit, irq;
523 bit = (vector - 0x800) >> 4;
524 irq = sable_lynx_irq_swizzle->mask_to_irq[bit];
525 #if 0
526 printk("%s: vector 0x%lx bit 0x%x irq 0x%x\n",
527 __FUNCTION__, vector, bit, irq);
528 #endif
529 handle_irq(irq, regs);
530 }
532 static void __init
533 sable_lynx_init_irq(int nr_irqs)
534 {
535 long i;
537 for (i = 0; i < nr_irqs; ++i) {
538 irq_desc[i].status = IRQ_DISABLED | IRQ_LEVEL;
539 irq_desc[i].chip = &sable_lynx_irq_type;
540 }
542 common_init_isa_dma();
543 }
545 static void __init
546 sable_lynx_init_pci(void)
547 {
548 common_init_pci();
549 }
551 /*****************************************************************/
552 /*
553 * The System Vectors
554 *
555 * In order that T2_HAE_ADDRESS should be a constant, we play
556 * these games with GAMMA_BIAS.
557 */
559 #if defined(CONFIG_ALPHA_GENERIC) || \
560 (defined(CONFIG_ALPHA_SABLE) && !defined(CONFIG_ALPHA_GAMMA))
561 #undef GAMMA_BIAS
562 #define GAMMA_BIAS 0
563 struct alpha_machine_vector sable_mv __initmv = {
564 .vector_name = "Sable",
565 DO_EV4_MMU,
566 DO_DEFAULT_RTC,
567 DO_T2_IO,
568 .machine_check = t2_machine_check,
569 .max_isa_dma_address = ALPHA_SABLE_MAX_ISA_DMA_ADDRESS,
570 .min_io_address = EISA_DEFAULT_IO_BASE,
571 .min_mem_address = T2_DEFAULT_MEM_BASE,
573 .nr_irqs = 40,
574 .device_interrupt = sable_lynx_srm_device_interrupt,
576 .init_arch = t2_init_arch,
577 .init_irq = sable_init_irq,
578 .init_rtc = common_init_rtc,
579 .init_pci = sable_lynx_init_pci,
580 .kill_arch = t2_kill_arch,
581 .pci_map_irq = sable_map_irq,
582 .pci_swizzle = common_swizzle,
584 .sys = { .t2 = {
585 .gamma_bias = 0
586 } }
587 };
588 ALIAS_MV(sable)
589 #endif /* GENERIC || (SABLE && !GAMMA) */
591 #if defined(CONFIG_ALPHA_GENERIC) || \
592 (defined(CONFIG_ALPHA_SABLE) && defined(CONFIG_ALPHA_GAMMA))
593 #undef GAMMA_BIAS
594 #define GAMMA_BIAS _GAMMA_BIAS
595 struct alpha_machine_vector sable_gamma_mv __initmv = {
596 .vector_name = "Sable-Gamma",
597 DO_EV5_MMU,
598 DO_DEFAULT_RTC,
599 DO_T2_IO,
600 .machine_check = t2_machine_check,
601 .max_isa_dma_address = ALPHA_SABLE_MAX_ISA_DMA_ADDRESS,
602 .min_io_address = EISA_DEFAULT_IO_BASE,
603 .min_mem_address = T2_DEFAULT_MEM_BASE,
605 .nr_irqs = 40,
606 .device_interrupt = sable_lynx_srm_device_interrupt,
608 .init_arch = t2_init_arch,
609 .init_irq = sable_init_irq,
610 .init_rtc = common_init_rtc,
611 .init_pci = sable_lynx_init_pci,
612 .kill_arch = t2_kill_arch,
613 .pci_map_irq = sable_map_irq,
614 .pci_swizzle = common_swizzle,
616 .sys = { .t2 = {
617 .gamma_bias = _GAMMA_BIAS
618 } }
619 };
620 ALIAS_MV(sable_gamma)
621 #endif /* GENERIC || (SABLE && GAMMA) */
623 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_LYNX)
624 #undef GAMMA_BIAS
625 #define GAMMA_BIAS _GAMMA_BIAS
626 struct alpha_machine_vector lynx_mv __initmv = {
627 .vector_name = "Lynx",
628 DO_EV4_MMU,
629 DO_DEFAULT_RTC,
630 DO_T2_IO,
631 .machine_check = t2_machine_check,
632 .max_isa_dma_address = ALPHA_SABLE_MAX_ISA_DMA_ADDRESS,
633 .min_io_address = EISA_DEFAULT_IO_BASE,
634 .min_mem_address = T2_DEFAULT_MEM_BASE,
636 .nr_irqs = 64,
637 .device_interrupt = sable_lynx_srm_device_interrupt,
639 .init_arch = t2_init_arch,
640 .init_irq = lynx_init_irq,
641 .init_rtc = common_init_rtc,
642 .init_pci = sable_lynx_init_pci,
643 .kill_arch = t2_kill_arch,
644 .pci_map_irq = lynx_map_irq,
645 .pci_swizzle = lynx_swizzle,
647 .sys = { .t2 = {
648 .gamma_bias = _GAMMA_BIAS
649 } }
650 };
651 ALIAS_MV(lynx)
652 #endif /* GENERIC || LYNX */