aboutsummaryrefslogtreecommitdiffstats
path: root/arch/ppc/syslib
diff options
context:
space:
mode:
authorPaul Mackerras <paulus@samba.org>2006-08-31 01:45:48 -0400
committerPaul Mackerras <paulus@samba.org>2006-08-31 01:45:48 -0400
commitaa43f77939c97bf9d3580c6a5e71a5a40290e451 (patch)
tree095c0b8b3da4b6554a3f8ef4b39240a5d9216d4d /arch/ppc/syslib
parent2818c5dec5e28d65d52afbb7695bbbafe6377ee5 (diff)
parent4c15343167b5febe7bb0ba96aad5bef42ae94d3b (diff)
Merge branch 'merge'
Diffstat (limited to 'arch/ppc/syslib')
-rw-r--r--arch/ppc/syslib/Makefile2
-rw-r--r--arch/ppc/syslib/ipic.c646
-rw-r--r--arch/ppc/syslib/ipic.h47
-rw-r--r--arch/ppc/syslib/mpc85xx_devices.c89
-rw-r--r--arch/ppc/syslib/mpc8xx_devices.c8
-rw-r--r--arch/ppc/syslib/mpc8xx_sys.c6
-rw-r--r--arch/ppc/syslib/pq2_devices.c5
-rw-r--r--arch/ppc/syslib/pq2_sys.c3
8 files changed, 799 insertions, 7 deletions
diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile
index 2497bbc07e76..dca23f2ef851 100644
--- a/arch/ppc/syslib/Makefile
+++ b/arch/ppc/syslib/Makefile
@@ -93,7 +93,7 @@ obj-$(CONFIG_PCI) += pci_auto.o
93endif 93endif
94obj-$(CONFIG_RAPIDIO) += ppc85xx_rio.o 94obj-$(CONFIG_RAPIDIO) += ppc85xx_rio.o
95obj-$(CONFIG_83xx) += ppc83xx_setup.o ppc_sys.o \ 95obj-$(CONFIG_83xx) += ppc83xx_setup.o ppc_sys.o \
96 mpc83xx_sys.o mpc83xx_devices.o 96 mpc83xx_sys.o mpc83xx_devices.o ipic.o
97ifeq ($(CONFIG_83xx),y) 97ifeq ($(CONFIG_83xx),y)
98obj-$(CONFIG_PCI) += pci_auto.o 98obj-$(CONFIG_PCI) += pci_auto.o
99endif 99endif
diff --git a/arch/ppc/syslib/ipic.c b/arch/ppc/syslib/ipic.c
new file mode 100644
index 000000000000..46801f5ec03f
--- /dev/null
+++ b/arch/ppc/syslib/ipic.c
@@ -0,0 +1,646 @@
1/*
2 * include/asm-ppc/ipic.c
3 *
4 * IPIC routines implementations.
5 *
6 * Copyright 2005 Freescale Semiconductor, Inc.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 */
13#include <linux/kernel.h>
14#include <linux/init.h>
15#include <linux/errno.h>
16#include <linux/reboot.h>
17#include <linux/slab.h>
18#include <linux/stddef.h>
19#include <linux/sched.h>
20#include <linux/signal.h>
21#include <linux/sysdev.h>
22#include <asm/irq.h>
23#include <asm/io.h>
24#include <asm/ipic.h>
25#include <asm/mpc83xx.h>
26
27#include "ipic.h"
28
29static struct ipic p_ipic;
30static struct ipic * primary_ipic;
31
32static struct ipic_info ipic_info[] = {
33 [9] = {
34 .pend = IPIC_SIPNR_H,
35 .mask = IPIC_SIMSR_H,
36 .prio = IPIC_SIPRR_D,
37 .force = IPIC_SIFCR_H,
38 .bit = 24,
39 .prio_mask = 0,
40 },
41 [10] = {
42 .pend = IPIC_SIPNR_H,
43 .mask = IPIC_SIMSR_H,
44 .prio = IPIC_SIPRR_D,
45 .force = IPIC_SIFCR_H,
46 .bit = 25,
47 .prio_mask = 1,
48 },
49 [11] = {
50 .pend = IPIC_SIPNR_H,
51 .mask = IPIC_SIMSR_H,
52 .prio = IPIC_SIPRR_D,
53 .force = IPIC_SIFCR_H,
54 .bit = 26,
55 .prio_mask = 2,
56 },
57 [14] = {
58 .pend = IPIC_SIPNR_H,
59 .mask = IPIC_SIMSR_H,
60 .prio = IPIC_SIPRR_D,
61 .force = IPIC_SIFCR_H,
62 .bit = 29,
63 .prio_mask = 5,
64 },
65 [15] = {
66 .pend = IPIC_SIPNR_H,
67 .mask = IPIC_SIMSR_H,
68 .prio = IPIC_SIPRR_D,
69 .force = IPIC_SIFCR_H,
70 .bit = 30,
71 .prio_mask = 6,
72 },
73 [16] = {
74 .pend = IPIC_SIPNR_H,
75 .mask = IPIC_SIMSR_H,
76 .prio = IPIC_SIPRR_D,
77 .force = IPIC_SIFCR_H,
78 .bit = 31,
79 .prio_mask = 7,
80 },
81 [17] = {
82 .pend = IPIC_SEPNR,
83 .mask = IPIC_SEMSR,
84 .prio = IPIC_SMPRR_A,
85 .force = IPIC_SEFCR,
86 .bit = 1,
87 .prio_mask = 5,
88 },
89 [18] = {
90 .pend = IPIC_SEPNR,
91 .mask = IPIC_SEMSR,
92 .prio = IPIC_SMPRR_A,
93 .force = IPIC_SEFCR,
94 .bit = 2,
95 .prio_mask = 6,
96 },
97 [19] = {
98 .pend = IPIC_SEPNR,
99 .mask = IPIC_SEMSR,
100 .prio = IPIC_SMPRR_A,
101 .force = IPIC_SEFCR,
102 .bit = 3,
103 .prio_mask = 7,
104 },
105 [20] = {
106 .pend = IPIC_SEPNR,
107 .mask = IPIC_SEMSR,
108 .prio = IPIC_SMPRR_B,
109 .force = IPIC_SEFCR,
110 .bit = 4,
111 .prio_mask = 4,
112 },
113 [21] = {
114 .pend = IPIC_SEPNR,
115 .mask = IPIC_SEMSR,
116 .prio = IPIC_SMPRR_B,
117 .force = IPIC_SEFCR,
118 .bit = 5,
119 .prio_mask = 5,
120 },
121 [22] = {
122 .pend = IPIC_SEPNR,
123 .mask = IPIC_SEMSR,
124 .prio = IPIC_SMPRR_B,
125 .force = IPIC_SEFCR,
126 .bit = 6,
127 .prio_mask = 6,
128 },
129 [23] = {
130 .pend = IPIC_SEPNR,
131 .mask = IPIC_SEMSR,
132 .prio = IPIC_SMPRR_B,
133 .force = IPIC_SEFCR,
134 .bit = 7,
135 .prio_mask = 7,
136 },
137 [32] = {
138 .pend = IPIC_SIPNR_H,
139 .mask = IPIC_SIMSR_H,
140 .prio = IPIC_SIPRR_A,
141 .force = IPIC_SIFCR_H,
142 .bit = 0,
143 .prio_mask = 0,
144 },
145 [33] = {
146 .pend = IPIC_SIPNR_H,
147 .mask = IPIC_SIMSR_H,
148 .prio = IPIC_SIPRR_A,
149 .force = IPIC_SIFCR_H,
150 .bit = 1,
151 .prio_mask = 1,
152 },
153 [34] = {
154 .pend = IPIC_SIPNR_H,
155 .mask = IPIC_SIMSR_H,
156 .prio = IPIC_SIPRR_A,
157 .force = IPIC_SIFCR_H,
158 .bit = 2,
159 .prio_mask = 2,
160 },
161 [35] = {
162 .pend = IPIC_SIPNR_H,
163 .mask = IPIC_SIMSR_H,
164 .prio = IPIC_SIPRR_A,
165 .force = IPIC_SIFCR_H,
166 .bit = 3,
167 .prio_mask = 3,
168 },
169 [36] = {
170 .pend = IPIC_SIPNR_H,
171 .mask = IPIC_SIMSR_H,
172 .prio = IPIC_SIPRR_A,
173 .force = IPIC_SIFCR_H,
174 .bit = 4,
175 .prio_mask = 4,
176 },
177 [37] = {
178 .pend = IPIC_SIPNR_H,
179 .mask = IPIC_SIMSR_H,
180 .prio = IPIC_SIPRR_A,
181 .force = IPIC_SIFCR_H,
182 .bit = 5,
183 .prio_mask = 5,
184 },
185 [38] = {
186 .pend = IPIC_SIPNR_H,
187 .mask = IPIC_SIMSR_H,
188 .prio = IPIC_SIPRR_A,
189 .force = IPIC_SIFCR_H,
190 .bit = 6,
191 .prio_mask = 6,
192 },
193 [39] = {
194 .pend = IPIC_SIPNR_H,
195 .mask = IPIC_SIMSR_H,
196 .prio = IPIC_SIPRR_A,
197 .force = IPIC_SIFCR_H,
198 .bit = 7,
199 .prio_mask = 7,
200 },
201 [48] = {
202 .pend = IPIC_SEPNR,
203 .mask = IPIC_SEMSR,
204 .prio = IPIC_SMPRR_A,
205 .force = IPIC_SEFCR,
206 .bit = 0,
207 .prio_mask = 4,
208 },
209 [64] = {
210 .pend = IPIC_SIPNR_H,
211 .mask = IPIC_SIMSR_L,
212 .prio = IPIC_SMPRR_A,
213 .force = IPIC_SIFCR_L,
214 .bit = 0,
215 .prio_mask = 0,
216 },
217 [65] = {
218 .pend = IPIC_SIPNR_H,
219 .mask = IPIC_SIMSR_L,
220 .prio = IPIC_SMPRR_A,
221 .force = IPIC_SIFCR_L,
222 .bit = 1,
223 .prio_mask = 1,
224 },
225 [66] = {
226 .pend = IPIC_SIPNR_H,
227 .mask = IPIC_SIMSR_L,
228 .prio = IPIC_SMPRR_A,
229 .force = IPIC_SIFCR_L,
230 .bit = 2,
231 .prio_mask = 2,
232 },
233 [67] = {
234 .pend = IPIC_SIPNR_H,
235 .mask = IPIC_SIMSR_L,
236 .prio = IPIC_SMPRR_A,
237 .force = IPIC_SIFCR_L,
238 .bit = 3,
239 .prio_mask = 3,
240 },
241 [68] = {
242 .pend = IPIC_SIPNR_H,
243 .mask = IPIC_SIMSR_L,
244 .prio = IPIC_SMPRR_B,
245 .force = IPIC_SIFCR_L,
246 .bit = 4,
247 .prio_mask = 0,
248 },
249 [69] = {
250 .pend = IPIC_SIPNR_H,
251 .mask = IPIC_SIMSR_L,
252 .prio = IPIC_SMPRR_B,
253 .force = IPIC_SIFCR_L,
254 .bit = 5,
255 .prio_mask = 1,
256 },
257 [70] = {
258 .pend = IPIC_SIPNR_H,
259 .mask = IPIC_SIMSR_L,
260 .prio = IPIC_SMPRR_B,
261 .force = IPIC_SIFCR_L,
262 .bit = 6,
263 .prio_mask = 2,
264 },
265 [71] = {
266 .pend = IPIC_SIPNR_H,
267 .mask = IPIC_SIMSR_L,
268 .prio = IPIC_SMPRR_B,
269 .force = IPIC_SIFCR_L,
270 .bit = 7,
271 .prio_mask = 3,
272 },
273 [72] = {
274 .pend = IPIC_SIPNR_H,
275 .mask = IPIC_SIMSR_L,
276 .prio = 0,
277 .force = IPIC_SIFCR_L,
278 .bit = 8,
279 },
280 [73] = {
281 .pend = IPIC_SIPNR_H,
282 .mask = IPIC_SIMSR_L,
283 .prio = 0,
284 .force = IPIC_SIFCR_L,
285 .bit = 9,
286 },
287 [74] = {
288 .pend = IPIC_SIPNR_H,
289 .mask = IPIC_SIMSR_L,
290 .prio = 0,
291 .force = IPIC_SIFCR_L,
292 .bit = 10,
293 },
294 [75] = {
295 .pend = IPIC_SIPNR_H,
296 .mask = IPIC_SIMSR_L,
297 .prio = 0,
298 .force = IPIC_SIFCR_L,
299 .bit = 11,
300 },
301 [76] = {
302 .pend = IPIC_SIPNR_H,
303 .mask = IPIC_SIMSR_L,
304 .prio = 0,
305 .force = IPIC_SIFCR_L,
306 .bit = 12,
307 },
308 [77] = {
309 .pend = IPIC_SIPNR_H,
310 .mask = IPIC_SIMSR_L,
311 .prio = 0,
312 .force = IPIC_SIFCR_L,
313 .bit = 13,
314 },
315 [78] = {
316 .pend = IPIC_SIPNR_H,
317 .mask = IPIC_SIMSR_L,
318 .prio = 0,
319 .force = IPIC_SIFCR_L,
320 .bit = 14,
321 },
322 [79] = {
323 .pend = IPIC_SIPNR_H,
324 .mask = IPIC_SIMSR_L,
325 .prio = 0,
326 .force = IPIC_SIFCR_L,
327 .bit = 15,
328 },
329 [80] = {
330 .pend = IPIC_SIPNR_H,
331 .mask = IPIC_SIMSR_L,
332 .prio = 0,
333 .force = IPIC_SIFCR_L,
334 .bit = 16,
335 },
336 [84] = {
337 .pend = IPIC_SIPNR_H,
338 .mask = IPIC_SIMSR_L,
339 .prio = 0,
340 .force = IPIC_SIFCR_L,
341 .bit = 20,
342 },
343 [85] = {
344 .pend = IPIC_SIPNR_H,
345 .mask = IPIC_SIMSR_L,
346 .prio = 0,
347 .force = IPIC_SIFCR_L,
348 .bit = 21,
349 },
350 [90] = {
351 .pend = IPIC_SIPNR_H,
352 .mask = IPIC_SIMSR_L,
353 .prio = 0,
354 .force = IPIC_SIFCR_L,
355 .bit = 26,
356 },
357 [91] = {
358 .pend = IPIC_SIPNR_H,
359 .mask = IPIC_SIMSR_L,
360 .prio = 0,
361 .force = IPIC_SIFCR_L,
362 .bit = 27,
363 },
364};
365
366static inline u32 ipic_read(volatile u32 __iomem *base, unsigned int reg)
367{
368 return in_be32(base + (reg >> 2));
369}
370
371static inline void ipic_write(volatile u32 __iomem *base, unsigned int reg, u32 value)
372{
373 out_be32(base + (reg >> 2), value);
374}
375
376static inline struct ipic * ipic_from_irq(unsigned int irq)
377{
378 return primary_ipic;
379}
380
381static void ipic_enable_irq(unsigned int irq)
382{
383 struct ipic *ipic = ipic_from_irq(irq);
384 unsigned int src = irq - ipic->irq_offset;
385 u32 temp;
386
387 temp = ipic_read(ipic->regs, ipic_info[src].mask);
388 temp |= (1 << (31 - ipic_info[src].bit));
389 ipic_write(ipic->regs, ipic_info[src].mask, temp);
390}
391
392static void ipic_disable_irq(unsigned int irq)
393{
394 struct ipic *ipic = ipic_from_irq(irq);
395 unsigned int src = irq - ipic->irq_offset;
396 u32 temp;
397
398 temp = ipic_read(ipic->regs, ipic_info[src].mask);
399 temp &= ~(1 << (31 - ipic_info[src].bit));
400 ipic_write(ipic->regs, ipic_info[src].mask, temp);
401}
402
403static void ipic_disable_irq_and_ack(unsigned int irq)
404{
405 struct ipic *ipic = ipic_from_irq(irq);
406 unsigned int src = irq - ipic->irq_offset;
407 u32 temp;
408
409 ipic_disable_irq(irq);
410
411 temp = ipic_read(ipic->regs, ipic_info[src].pend);
412 temp |= (1 << (31 - ipic_info[src].bit));
413 ipic_write(ipic->regs, ipic_info[src].pend, temp);
414}
415
416static void ipic_end_irq(unsigned int irq)
417{
418 if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
419 ipic_enable_irq(irq);
420}
421
422struct hw_interrupt_type ipic = {
423 .typename = " IPIC ",
424 .enable = ipic_enable_irq,
425 .disable = ipic_disable_irq,
426 .ack = ipic_disable_irq_and_ack,
427 .end = ipic_end_irq,
428};
429
430void __init ipic_init(phys_addr_t phys_addr,
431 unsigned int flags,
432 unsigned int irq_offset,
433 unsigned char *senses,
434 unsigned int senses_count)
435{
436 u32 i, temp = 0;
437
438 primary_ipic = &p_ipic;
439 primary_ipic->regs = ioremap(phys_addr, MPC83xx_IPIC_SIZE);
440
441 primary_ipic->irq_offset = irq_offset;
442
443 ipic_write(primary_ipic->regs, IPIC_SICNR, 0x0);
444
445 /* default priority scheme is grouped. If spread mode is required
446 * configure SICFR accordingly */
447 if (flags & IPIC_SPREADMODE_GRP_A)
448 temp |= SICFR_IPSA;
449 if (flags & IPIC_SPREADMODE_GRP_D)
450 temp |= SICFR_IPSD;
451 if (flags & IPIC_SPREADMODE_MIX_A)
452 temp |= SICFR_MPSA;
453 if (flags & IPIC_SPREADMODE_MIX_B)
454 temp |= SICFR_MPSB;
455
456 ipic_write(primary_ipic->regs, IPIC_SICNR, temp);
457
458 /* handle MCP route */
459 temp = 0;
460 if (flags & IPIC_DISABLE_MCP_OUT)
461 temp = SERCR_MCPR;
462 ipic_write(primary_ipic->regs, IPIC_SERCR, temp);
463
464 /* handle routing of IRQ0 to MCP */
465 temp = ipic_read(primary_ipic->regs, IPIC_SEMSR);
466
467 if (flags & IPIC_IRQ0_MCP)
468 temp |= SEMSR_SIRQ0;
469 else
470 temp &= ~SEMSR_SIRQ0;
471
472 ipic_write(primary_ipic->regs, IPIC_SEMSR, temp);
473
474 for (i = 0 ; i < NR_IPIC_INTS ; i++) {
475 irq_desc[i+irq_offset].chip = &ipic;
476 irq_desc[i+irq_offset].status = IRQ_LEVEL;
477 }
478
479 temp = 0;
480 for (i = 0 ; i < senses_count ; i++) {
481 if ((senses[i] & IRQ_SENSE_MASK) == IRQ_SENSE_EDGE) {
482 temp |= 1 << (15 - i);
483 if (i != 0)
484 irq_desc[i + irq_offset + MPC83xx_IRQ_EXT1 - 1].status = 0;
485 else
486 irq_desc[irq_offset + MPC83xx_IRQ_EXT0].status = 0;
487 }
488 }
489 ipic_write(primary_ipic->regs, IPIC_SECNR, temp);
490
491 printk ("IPIC (%d IRQ sources, %d External IRQs) at %p\n", NR_IPIC_INTS,
492 senses_count, primary_ipic->regs);
493}
494
495int ipic_set_priority(unsigned int irq, unsigned int priority)
496{
497 struct ipic *ipic = ipic_from_irq(irq);
498 unsigned int src = irq - ipic->irq_offset;
499 u32 temp;
500
501 if (priority > 7)
502 return -EINVAL;
503 if (src > 127)
504 return -EINVAL;
505 if (ipic_info[src].prio == 0)
506 return -EINVAL;
507
508 temp = ipic_read(ipic->regs, ipic_info[src].prio);
509
510 if (priority < 4) {
511 temp &= ~(0x7 << (20 + (3 - priority) * 3));
512 temp |= ipic_info[src].prio_mask << (20 + (3 - priority) * 3);
513 } else {
514 temp &= ~(0x7 << (4 + (7 - priority) * 3));
515 temp |= ipic_info[src].prio_mask << (4 + (7 - priority) * 3);
516 }
517
518 ipic_write(ipic->regs, ipic_info[src].prio, temp);
519
520 return 0;
521}
522
523void ipic_set_highest_priority(unsigned int irq)
524{
525 struct ipic *ipic = ipic_from_irq(irq);
526 unsigned int src = irq - ipic->irq_offset;
527 u32 temp;
528
529 temp = ipic_read(ipic->regs, IPIC_SICFR);
530
531 /* clear and set HPI */
532 temp &= 0x7f000000;
533 temp |= (src & 0x7f) << 24;
534
535 ipic_write(ipic->regs, IPIC_SICFR, temp);
536}
537
538void ipic_set_default_priority(void)
539{
540 ipic_set_priority(MPC83xx_IRQ_TSEC1_TX, 0);
541 ipic_set_priority(MPC83xx_IRQ_TSEC1_RX, 1);
542 ipic_set_priority(MPC83xx_IRQ_TSEC1_ERROR, 2);
543 ipic_set_priority(MPC83xx_IRQ_TSEC2_TX, 3);
544 ipic_set_priority(MPC83xx_IRQ_TSEC2_RX, 4);
545 ipic_set_priority(MPC83xx_IRQ_TSEC2_ERROR, 5);
546 ipic_set_priority(MPC83xx_IRQ_USB2_DR, 6);
547 ipic_set_priority(MPC83xx_IRQ_USB2_MPH, 7);
548
549 ipic_set_priority(MPC83xx_IRQ_UART1, 0);
550 ipic_set_priority(MPC83xx_IRQ_UART2, 1);
551 ipic_set_priority(MPC83xx_IRQ_SEC2, 2);
552 ipic_set_priority(MPC83xx_IRQ_IIC1, 5);
553 ipic_set_priority(MPC83xx_IRQ_IIC2, 6);
554 ipic_set_priority(MPC83xx_IRQ_SPI, 7);
555 ipic_set_priority(MPC83xx_IRQ_RTC_SEC, 0);
556 ipic_set_priority(MPC83xx_IRQ_PIT, 1);
557 ipic_set_priority(MPC83xx_IRQ_PCI1, 2);
558 ipic_set_priority(MPC83xx_IRQ_PCI2, 3);
559 ipic_set_priority(MPC83xx_IRQ_EXT0, 4);
560 ipic_set_priority(MPC83xx_IRQ_EXT1, 5);
561 ipic_set_priority(MPC83xx_IRQ_EXT2, 6);
562 ipic_set_priority(MPC83xx_IRQ_EXT3, 7);
563 ipic_set_priority(MPC83xx_IRQ_RTC_ALR, 0);
564 ipic_set_priority(MPC83xx_IRQ_MU, 1);
565 ipic_set_priority(MPC83xx_IRQ_SBA, 2);
566 ipic_set_priority(MPC83xx_IRQ_DMA, 3);
567 ipic_set_priority(MPC83xx_IRQ_EXT4, 4);
568 ipic_set_priority(MPC83xx_IRQ_EXT5, 5);
569 ipic_set_priority(MPC83xx_IRQ_EXT6, 6);
570 ipic_set_priority(MPC83xx_IRQ_EXT7, 7);
571}
572
573void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq)
574{
575 struct ipic *ipic = primary_ipic;
576 u32 temp;
577
578 temp = ipic_read(ipic->regs, IPIC_SERMR);
579 temp |= (1 << (31 - mcp_irq));
580 ipic_write(ipic->regs, IPIC_SERMR, temp);
581}
582
583void ipic_disable_mcp(enum ipic_mcp_irq mcp_irq)
584{
585 struct ipic *ipic = primary_ipic;
586 u32 temp;
587
588 temp = ipic_read(ipic->regs, IPIC_SERMR);
589 temp &= (1 << (31 - mcp_irq));
590 ipic_write(ipic->regs, IPIC_SERMR, temp);
591}
592
593u32 ipic_get_mcp_status(void)
594{
595 return ipic_read(primary_ipic->regs, IPIC_SERMR);
596}
597
598void ipic_clear_mcp_status(u32 mask)
599{
600 ipic_write(primary_ipic->regs, IPIC_SERMR, mask);
601}
602
603/* Return an interrupt vector or -1 if no interrupt is pending. */
604int ipic_get_irq(struct pt_regs *regs)
605{
606 int irq;
607
608 irq = ipic_read(primary_ipic->regs, IPIC_SIVCR) & 0x7f;
609
610 if (irq == 0) /* 0 --> no irq is pending */
611 irq = -1;
612
613 return irq;
614}
615
616static struct sysdev_class ipic_sysclass = {
617 set_kset_name("ipic"),
618};
619
620static struct sys_device device_ipic = {
621 .id = 0,
622 .cls = &ipic_sysclass,
623};
624
625static int __init init_ipic_sysfs(void)
626{
627 int rc;
628
629 if (!primary_ipic->regs)
630 return -ENODEV;
631 printk(KERN_DEBUG "Registering ipic with sysfs...\n");
632
633 rc = sysdev_class_register(&ipic_sysclass);
634 if (rc) {
635 printk(KERN_ERR "Failed registering ipic sys class\n");
636 return -ENODEV;
637 }
638 rc = sysdev_register(&device_ipic);
639 if (rc) {
640 printk(KERN_ERR "Failed registering ipic sys device\n");
641 return -ENODEV;
642 }
643 return 0;
644}
645
646subsys_initcall(init_ipic_sysfs);
diff --git a/arch/ppc/syslib/ipic.h b/arch/ppc/syslib/ipic.h
new file mode 100644
index 000000000000..a60c9d18bb7f
--- /dev/null
+++ b/arch/ppc/syslib/ipic.h
@@ -0,0 +1,47 @@
1/*
2 * IPIC private definitions and structure.
3 *
4 * Maintainer: Kumar Gala <galak@kernel.crashing.org>
5 *
6 * Copyright 2005 Freescale Semiconductor, Inc
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 */
13#ifndef __IPIC_H__
14#define __IPIC_H__
15
16#include <asm/ipic.h>
17
18#define MPC83xx_IPIC_SIZE (0x00100)
19
20/* System Global Interrupt Configuration Register */
21#define SICFR_IPSA 0x00010000
22#define SICFR_IPSD 0x00080000
23#define SICFR_MPSA 0x00200000
24#define SICFR_MPSB 0x00400000
25
26/* System External Interrupt Mask Register */
27#define SEMSR_SIRQ0 0x00008000
28
29/* System Error Control Register */
30#define SERCR_MCPR 0x00000001
31
32struct ipic {
33 volatile u32 __iomem *regs;
34 unsigned int irq_offset;
35};
36
37struct ipic_info {
38 u8 pend; /* pending register offset from base */
39 u8 mask; /* mask register offset from base */
40 u8 prio; /* priority register offset from base */
41 u8 force; /* force register offset from base */
42 u8 bit; /* register bit position (as per doc)
43 bit mask = 1 << (31 - bit) */
44 u8 prio_mask; /* priority mask value */
45};
46
47#endif /* __IPIC_H__ */
diff --git a/arch/ppc/syslib/mpc85xx_devices.c b/arch/ppc/syslib/mpc85xx_devices.c
index 7735336f5b8f..325136e5aee0 100644
--- a/arch/ppc/syslib/mpc85xx_devices.c
+++ b/arch/ppc/syslib/mpc85xx_devices.c
@@ -16,9 +16,11 @@
16#include <linux/device.h> 16#include <linux/device.h>
17#include <linux/serial_8250.h> 17#include <linux/serial_8250.h>
18#include <linux/fsl_devices.h> 18#include <linux/fsl_devices.h>
19#include <linux/fs_enet_pd.h>
19#include <asm/mpc85xx.h> 20#include <asm/mpc85xx.h>
20#include <asm/irq.h> 21#include <asm/irq.h>
21#include <asm/ppc_sys.h> 22#include <asm/ppc_sys.h>
23#include <asm/cpm2.h>
22 24
23/* We use offsets for IORESOURCE_MEM since we do not know at compile time 25/* We use offsets for IORESOURCE_MEM since we do not know at compile time
24 * what CCSRBAR is, will get fixed up by mach_mpc85xx_fixup 26 * what CCSRBAR is, will get fixed up by mach_mpc85xx_fixup
@@ -82,6 +84,60 @@ static struct fsl_i2c_platform_data mpc85xx_fsl_i2c2_pdata = {
82 .device_flags = FSL_I2C_DEV_SEPARATE_DFSRR, 84 .device_flags = FSL_I2C_DEV_SEPARATE_DFSRR,
83}; 85};
84 86
87static struct fs_platform_info mpc85xx_fcc1_pdata = {
88 .fs_no = fsid_fcc1,
89 .cp_page = CPM_CR_FCC1_PAGE,
90 .cp_block = CPM_CR_FCC1_SBLOCK,
91
92 .rx_ring = 32,
93 .tx_ring = 32,
94 .rx_copybreak = 240,
95 .use_napi = 0,
96 .napi_weight = 17,
97
98 .clk_mask = CMX1_CLK_MASK,
99 .clk_route = CMX1_CLK_ROUTE,
100 .clk_trx = (PC_F1RXCLK | PC_F1TXCLK),
101
102 .mem_offset = FCC1_MEM_OFFSET,
103};
104
105static struct fs_platform_info mpc85xx_fcc2_pdata = {
106 .fs_no = fsid_fcc2,
107 .cp_page = CPM_CR_FCC2_PAGE,
108 .cp_block = CPM_CR_FCC2_SBLOCK,
109
110 .rx_ring = 32,
111 .tx_ring = 32,
112 .rx_copybreak = 240,
113 .use_napi = 0,
114 .napi_weight = 17,
115
116 .clk_mask = CMX2_CLK_MASK,
117 .clk_route = CMX2_CLK_ROUTE,
118 .clk_trx = (PC_F2RXCLK | PC_F2TXCLK),
119
120 .mem_offset = FCC2_MEM_OFFSET,
121};
122
123static struct fs_platform_info mpc85xx_fcc3_pdata = {
124 .fs_no = fsid_fcc3,
125 .cp_page = CPM_CR_FCC3_PAGE,
126 .cp_block = CPM_CR_FCC3_SBLOCK,
127
128 .rx_ring = 32,
129 .tx_ring = 32,
130 .rx_copybreak = 240,
131 .use_napi = 0,
132 .napi_weight = 17,
133
134 .clk_mask = CMX3_CLK_MASK,
135 .clk_route = CMX3_CLK_ROUTE,
136 .clk_trx = (PC_F3RXCLK | PC_F3TXCLK),
137
138 .mem_offset = FCC3_MEM_OFFSET,
139};
140
85static struct plat_serial8250_port serial_platform_data[] = { 141static struct plat_serial8250_port serial_platform_data[] = {
86 [0] = { 142 [0] = {
87 .mapbase = 0x4500, 143 .mapbase = 0x4500,
@@ -318,19 +374,28 @@ struct platform_device ppc_sys_platform_devices[] = {
318 [MPC85xx_CPM_FCC1] = { 374 [MPC85xx_CPM_FCC1] = {
319 .name = "fsl-cpm-fcc", 375 .name = "fsl-cpm-fcc",
320 .id = 1, 376 .id = 1,
321 .num_resources = 3, 377 .num_resources = 4,
378 .dev.platform_data = &mpc85xx_fcc1_pdata,
322 .resource = (struct resource[]) { 379 .resource = (struct resource[]) {
323 { 380 {
381 .name = "fcc_regs",
324 .start = 0x91300, 382 .start = 0x91300,
325 .end = 0x9131F, 383 .end = 0x9131F,
326 .flags = IORESOURCE_MEM, 384 .flags = IORESOURCE_MEM,
327 }, 385 },
328 { 386 {
387 .name = "fcc_regs_c",
329 .start = 0x91380, 388 .start = 0x91380,
330 .end = 0x9139F, 389 .end = 0x9139F,
331 .flags = IORESOURCE_MEM, 390 .flags = IORESOURCE_MEM,
332 }, 391 },
333 { 392 {
393 .name = "fcc_pram",
394 .start = 0x88400,
395 .end = 0x884ff,
396 .flags = IORESOURCE_MEM,
397 },
398 {
334 .start = SIU_INT_FCC1, 399 .start = SIU_INT_FCC1,
335 .end = SIU_INT_FCC1, 400 .end = SIU_INT_FCC1,
336 .flags = IORESOURCE_IRQ, 401 .flags = IORESOURCE_IRQ,
@@ -340,19 +405,28 @@ struct platform_device ppc_sys_platform_devices[] = {
340 [MPC85xx_CPM_FCC2] = { 405 [MPC85xx_CPM_FCC2] = {
341 .name = "fsl-cpm-fcc", 406 .name = "fsl-cpm-fcc",
342 .id = 2, 407 .id = 2,
343 .num_resources = 3, 408 .num_resources = 4,
409 .dev.platform_data = &mpc85xx_fcc2_pdata,
344 .resource = (struct resource[]) { 410 .resource = (struct resource[]) {
345 { 411 {
412 .name = "fcc_regs",
346 .start = 0x91320, 413 .start = 0x91320,
347 .end = 0x9133F, 414 .end = 0x9133F,
348 .flags = IORESOURCE_MEM, 415 .flags = IORESOURCE_MEM,
349 }, 416 },
350 { 417 {
418 .name = "fcc_regs_c",
351 .start = 0x913A0, 419 .start = 0x913A0,
352 .end = 0x913CF, 420 .end = 0x913CF,
353 .flags = IORESOURCE_MEM, 421 .flags = IORESOURCE_MEM,
354 }, 422 },
355 { 423 {
424 .name = "fcc_pram",
425 .start = 0x88500,
426 .end = 0x885ff,
427 .flags = IORESOURCE_MEM,
428 },
429 {
356 .start = SIU_INT_FCC2, 430 .start = SIU_INT_FCC2,
357 .end = SIU_INT_FCC2, 431 .end = SIU_INT_FCC2,
358 .flags = IORESOURCE_IRQ, 432 .flags = IORESOURCE_IRQ,
@@ -362,19 +436,28 @@ struct platform_device ppc_sys_platform_devices[] = {
362 [MPC85xx_CPM_FCC3] = { 436 [MPC85xx_CPM_FCC3] = {
363 .name = "fsl-cpm-fcc", 437 .name = "fsl-cpm-fcc",
364 .id = 3, 438 .id = 3,
365 .num_resources = 3, 439 .num_resources = 4,
440 .dev.platform_data = &mpc85xx_fcc3_pdata,
366 .resource = (struct resource[]) { 441 .resource = (struct resource[]) {
367 { 442 {
443 .name = "fcc_regs",
368 .start = 0x91340, 444 .start = 0x91340,
369 .end = 0x9135F, 445 .end = 0x9135F,
370 .flags = IORESOURCE_MEM, 446 .flags = IORESOURCE_MEM,
371 }, 447 },
372 { 448 {
449 .name = "fcc_regs_c",
373 .start = 0x913D0, 450 .start = 0x913D0,
374 .end = 0x913FF, 451 .end = 0x913FF,
375 .flags = IORESOURCE_MEM, 452 .flags = IORESOURCE_MEM,
376 }, 453 },
377 { 454 {
455 .name = "fcc_pram",
456 .start = 0x88600,
457 .end = 0x886ff,
458 .flags = IORESOURCE_MEM,
459 },
460 {
378 .start = SIU_INT_FCC3, 461 .start = SIU_INT_FCC3,
379 .end = SIU_INT_FCC3, 462 .end = SIU_INT_FCC3,
380 .flags = IORESOURCE_IRQ, 463 .flags = IORESOURCE_IRQ,
diff --git a/arch/ppc/syslib/mpc8xx_devices.c b/arch/ppc/syslib/mpc8xx_devices.c
index 6f536383866e..cf5ab47487a7 100644
--- a/arch/ppc/syslib/mpc8xx_devices.c
+++ b/arch/ppc/syslib/mpc8xx_devices.c
@@ -218,6 +218,14 @@ struct platform_device ppc_sys_platform_devices[] = {
218 }, 218 },
219 }, 219 },
220 }, 220 },
221
222 [MPC8xx_MDIO_FEC] = {
223 .name = "fsl-cpm-fec-mdio",
224 .id = 0,
225 .num_resources = 0,
226
227 },
228
221}; 229};
222 230
223static int __init mach_mpc8xx_fixup(struct platform_device *pdev) 231static int __init mach_mpc8xx_fixup(struct platform_device *pdev)
diff --git a/arch/ppc/syslib/mpc8xx_sys.c b/arch/ppc/syslib/mpc8xx_sys.c
index eee213284855..18ba1d7ff9f1 100644
--- a/arch/ppc/syslib/mpc8xx_sys.c
+++ b/arch/ppc/syslib/mpc8xx_sys.c
@@ -22,7 +22,7 @@ struct ppc_sys_spec ppc_sys_specs[] = {
22 .ppc_sys_name = "MPC86X", 22 .ppc_sys_name = "MPC86X",
23 .mask = 0xFFFFFFFF, 23 .mask = 0xFFFFFFFF,
24 .value = 0x00000000, 24 .value = 0x00000000,
25 .num_devices = 7, 25 .num_devices = 8,
26 .device_list = (enum ppc_sys_devices[]) 26 .device_list = (enum ppc_sys_devices[])
27 { 27 {
28 MPC8xx_CPM_FEC1, 28 MPC8xx_CPM_FEC1,
@@ -32,13 +32,14 @@ struct ppc_sys_spec ppc_sys_specs[] = {
32 MPC8xx_CPM_SCC4, 32 MPC8xx_CPM_SCC4,
33 MPC8xx_CPM_SMC1, 33 MPC8xx_CPM_SMC1,
34 MPC8xx_CPM_SMC2, 34 MPC8xx_CPM_SMC2,
35 MPC8xx_MDIO_FEC,
35 }, 36 },
36 }, 37 },
37 { 38 {
38 .ppc_sys_name = "MPC885", 39 .ppc_sys_name = "MPC885",
39 .mask = 0xFFFFFFFF, 40 .mask = 0xFFFFFFFF,
40 .value = 0x00000000, 41 .value = 0x00000000,
41 .num_devices = 8, 42 .num_devices = 9,
42 .device_list = (enum ppc_sys_devices[]) 43 .device_list = (enum ppc_sys_devices[])
43 { 44 {
44 MPC8xx_CPM_FEC1, 45 MPC8xx_CPM_FEC1,
@@ -49,6 +50,7 @@ struct ppc_sys_spec ppc_sys_specs[] = {
49 MPC8xx_CPM_SCC4, 50 MPC8xx_CPM_SCC4,
50 MPC8xx_CPM_SMC1, 51 MPC8xx_CPM_SMC1,
51 MPC8xx_CPM_SMC2, 52 MPC8xx_CPM_SMC2,
53 MPC8xx_MDIO_FEC,
52 }, 54 },
53 }, 55 },
54 { /* default match */ 56 { /* default match */
diff --git a/arch/ppc/syslib/pq2_devices.c b/arch/ppc/syslib/pq2_devices.c
index 8692d00c08c4..fefbc217a56d 100644
--- a/arch/ppc/syslib/pq2_devices.c
+++ b/arch/ppc/syslib/pq2_devices.c
@@ -369,6 +369,11 @@ struct platform_device ppc_sys_platform_devices[] = {
369 }, 369 },
370 }, 370 },
371 }, 371 },
372 [MPC82xx_MDIO_BB] = {
373 .name = "fsl-bb-mdio",
374 .id = 0,
375 .num_resources = 0,
376 },
372}; 377};
373 378
374static int __init mach_mpc82xx_fixup(struct platform_device *pdev) 379static int __init mach_mpc82xx_fixup(struct platform_device *pdev)
diff --git a/arch/ppc/syslib/pq2_sys.c b/arch/ppc/syslib/pq2_sys.c
index fee8948162b9..f52600c0db20 100644
--- a/arch/ppc/syslib/pq2_sys.c
+++ b/arch/ppc/syslib/pq2_sys.c
@@ -139,13 +139,14 @@ struct ppc_sys_spec ppc_sys_specs[] = {
139 .ppc_sys_name = "8272", 139 .ppc_sys_name = "8272",
140 .mask = 0x0000ff00, 140 .mask = 0x0000ff00,
141 .value = 0x00000c00, 141 .value = 0x00000c00,
142 .num_devices = 12, 142 .num_devices = 13,
143 .device_list = (enum ppc_sys_devices[]) 143 .device_list = (enum ppc_sys_devices[])
144 { 144 {
145 MPC82xx_CPM_FCC1, MPC82xx_CPM_FCC2, MPC82xx_CPM_SCC1, 145 MPC82xx_CPM_FCC1, MPC82xx_CPM_FCC2, MPC82xx_CPM_SCC1,
146 MPC82xx_CPM_SCC2, MPC82xx_CPM_SCC3, MPC82xx_CPM_SCC4, 146 MPC82xx_CPM_SCC2, MPC82xx_CPM_SCC3, MPC82xx_CPM_SCC4,
147 MPC82xx_CPM_SMC1, MPC82xx_CPM_SMC2, MPC82xx_CPM_SPI, 147 MPC82xx_CPM_SMC1, MPC82xx_CPM_SMC2, MPC82xx_CPM_SPI,
148 MPC82xx_CPM_I2C, MPC82xx_CPM_USB, MPC82xx_SEC1, 148 MPC82xx_CPM_I2C, MPC82xx_CPM_USB, MPC82xx_SEC1,
149 MPC82xx_MDIO_BB,
149 }, 150 },
150 }, 151 },
151 /* below is a list of the 8280 family of processors */ 152 /* below is a list of the 8280 family of processors */
generated by cgit v1.2.2 (git 2.25.0) at 2026-04-29 07:36:15 -0400