blob: 3f3de74920942f9bd5d904ffe09012a6665a5dfc [file] [log] [blame]
Heiko Stuebner1f629b72013-01-29 10:25:22 -08001/*
2 * S3C24XX IRQ handling
Ben Dooksa21765a2007-02-11 18:31:01 +01003 *
Ben Dookse02f8662009-11-13 22:54:13 +00004 * Copyright (c) 2003-2004 Simtec Electronics
Ben Dooksa21765a2007-02-11 18:31:01 +01005 * Ben Dooks <ben@simtec.co.uk>
Heiko Stuebner1f629b72013-01-29 10:25:22 -08006 * Copyright (c) 2012 Heiko Stuebner <heiko@sntech.de>
Ben Dooksa21765a2007-02-11 18:31:01 +01007 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
Ben Dooksa21765a2007-02-11 18:31:01 +010017*/
18
19#include <linux/init.h>
Heiko Stuebner1f629b72013-01-29 10:25:22 -080020#include <linux/slab.h>
Ben Dooksa21765a2007-02-11 18:31:01 +010021#include <linux/module.h>
Heiko Stuebner1f629b72013-01-29 10:25:22 -080022#include <linux/io.h>
23#include <linux/err.h>
Ben Dooksa21765a2007-02-11 18:31:01 +010024#include <linux/interrupt.h>
25#include <linux/ioport.h>
Kay Sieversedbaa602011-12-21 16:26:03 -080026#include <linux/device.h>
Heiko Stuebner1f629b72013-01-29 10:25:22 -080027#include <linux/irqdomain.h>
Ben Dooksa21765a2007-02-11 18:31:01 +010028
Ben Dooksa21765a2007-02-11 18:31:01 +010029#include <asm/mach/irq.h>
30
Heiko Stuebner1f629b72013-01-29 10:25:22 -080031#include <mach/regs-irq.h>
32#include <mach/regs-gpio.h>
Ben Dooksa21765a2007-02-11 18:31:01 +010033
Ben Dooksa2b7ba92008-10-07 22:26:09 +010034#include <plat/cpu.h>
Heiko Stuebner1f629b72013-01-29 10:25:22 -080035#include <plat/regs-irqtype.h>
Ben Dooksa2b7ba92008-10-07 22:26:09 +010036#include <plat/pm.h>
Ben Dooksa21765a2007-02-11 18:31:01 +010037
Heiko Stuebner1f629b72013-01-29 10:25:22 -080038#define S3C_IRQTYPE_NONE 0
39#define S3C_IRQTYPE_EINT 1
40#define S3C_IRQTYPE_EDGE 2
41#define S3C_IRQTYPE_LEVEL 3
Ben Dooksa21765a2007-02-11 18:31:01 +010042
Heiko Stuebner1f629b72013-01-29 10:25:22 -080043struct s3c_irq_data {
44 unsigned int type;
45 unsigned long parent_irq;
Ben Dooksa21765a2007-02-11 18:31:01 +010046
Heiko Stuebner1f629b72013-01-29 10:25:22 -080047 /* data gets filled during init */
48 struct s3c_irq_intc *intc;
49 unsigned long sub_bits;
50 struct s3c_irq_intc *sub_intc;
Ben Dooksa21765a2007-02-11 18:31:01 +010051};
52
Heiko Stuebner1f629b72013-01-29 10:25:22 -080053/*
54 * Sructure holding the controller data
55 * @reg_pending register holding pending irqs
56 * @reg_intpnd special register intpnd in main intc
57 * @reg_mask mask register
58 * @domain irq_domain of the controller
59 * @parent parent controller for ext and sub irqs
60 * @irqs irq-data, always s3c_irq_data[32]
61 */
62struct s3c_irq_intc {
63 void __iomem *reg_pending;
64 void __iomem *reg_intpnd;
65 void __iomem *reg_mask;
66 struct irq_domain *domain;
67 struct s3c_irq_intc *parent;
68 struct s3c_irq_data *irqs;
Ben Dooksa21765a2007-02-11 18:31:01 +010069};
70
Heiko Stuebner1f629b72013-01-29 10:25:22 -080071static void s3c_irq_mask(struct irq_data *data)
Ben Dooksa21765a2007-02-11 18:31:01 +010072{
Heiko Stuebner1f629b72013-01-29 10:25:22 -080073 struct s3c_irq_intc *intc = data->domain->host_data;
74 struct s3c_irq_intc *parent_intc = intc->parent;
75 struct s3c_irq_data *irq_data = &intc->irqs[data->hwirq];
76 struct s3c_irq_data *parent_data;
Ben Dooksa21765a2007-02-11 18:31:01 +010077 unsigned long mask;
Heiko Stuebner1f629b72013-01-29 10:25:22 -080078 unsigned int irqno;
Ben Dooksa21765a2007-02-11 18:31:01 +010079
Heiko Stuebner1f629b72013-01-29 10:25:22 -080080 mask = __raw_readl(intc->reg_mask);
81 mask |= (1UL << data->hwirq);
82 __raw_writel(mask, intc->reg_mask);
Ben Dooksa21765a2007-02-11 18:31:01 +010083
Heiko Stuebner1f629b72013-01-29 10:25:22 -080084 if (parent_intc && irq_data->parent_irq) {
85 parent_data = &parent_intc->irqs[irq_data->parent_irq];
Ben Dooksa21765a2007-02-11 18:31:01 +010086
Heiko Stuebner1f629b72013-01-29 10:25:22 -080087 /* check to see if we need to mask the parent IRQ */
88 if ((mask & parent_data->sub_bits) == parent_data->sub_bits) {
89 irqno = irq_find_mapping(parent_intc->domain,
90 irq_data->parent_irq);
91 s3c_irq_mask(irq_get_irq_data(irqno));
92 }
Ben Dooksa21765a2007-02-11 18:31:01 +010093 }
94}
95
Heiko Stuebner1f629b72013-01-29 10:25:22 -080096static void s3c_irq_unmask(struct irq_data *data)
Ben Dooksa21765a2007-02-11 18:31:01 +010097{
Heiko Stuebner1f629b72013-01-29 10:25:22 -080098 struct s3c_irq_intc *intc = data->domain->host_data;
99 struct s3c_irq_intc *parent_intc = intc->parent;
100 struct s3c_irq_data *irq_data = &intc->irqs[data->hwirq];
Ben Dooksa21765a2007-02-11 18:31:01 +0100101 unsigned long mask;
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800102 unsigned int irqno;
Ben Dooksa21765a2007-02-11 18:31:01 +0100103
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800104 mask = __raw_readl(intc->reg_mask);
105 mask &= ~(1UL << data->hwirq);
106 __raw_writel(mask, intc->reg_mask);
107
108 if (parent_intc && irq_data->parent_irq) {
109 irqno = irq_find_mapping(parent_intc->domain,
110 irq_data->parent_irq);
111 s3c_irq_unmask(irq_get_irq_data(irqno));
112 }
Ben Dooksa21765a2007-02-11 18:31:01 +0100113}
114
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800115static inline void s3c_irq_ack(struct irq_data *data)
Ben Dooksa21765a2007-02-11 18:31:01 +0100116{
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800117 struct s3c_irq_intc *intc = data->domain->host_data;
118 unsigned long bitval = 1UL << data->hwirq;
119
120 __raw_writel(bitval, intc->reg_pending);
121 if (intc->reg_intpnd)
122 __raw_writel(bitval, intc->reg_intpnd);
123}
124
125static int s3c_irqext_type_set(void __iomem *gpcon_reg,
126 void __iomem *extint_reg,
127 unsigned long gpcon_offset,
128 unsigned long extint_offset,
129 unsigned int type)
130{
Ben Dooksa21765a2007-02-11 18:31:01 +0100131 unsigned long newvalue = 0, value;
132
Ben Dooksa21765a2007-02-11 18:31:01 +0100133 /* Set the GPIO to external interrupt mode */
134 value = __raw_readl(gpcon_reg);
135 value = (value & ~(3 << gpcon_offset)) | (0x02 << gpcon_offset);
136 __raw_writel(value, gpcon_reg);
137
138 /* Set the external interrupt to pointed trigger type */
139 switch (type)
140 {
Dmitry Baryshkov6cab4862008-07-27 04:23:31 +0100141 case IRQ_TYPE_NONE:
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800142 pr_warn("No edge setting!\n");
Ben Dooksa21765a2007-02-11 18:31:01 +0100143 break;
144
Dmitry Baryshkov6cab4862008-07-27 04:23:31 +0100145 case IRQ_TYPE_EDGE_RISING:
Ben Dooksa21765a2007-02-11 18:31:01 +0100146 newvalue = S3C2410_EXTINT_RISEEDGE;
147 break;
148
Dmitry Baryshkov6cab4862008-07-27 04:23:31 +0100149 case IRQ_TYPE_EDGE_FALLING:
Ben Dooksa21765a2007-02-11 18:31:01 +0100150 newvalue = S3C2410_EXTINT_FALLEDGE;
151 break;
152
Dmitry Baryshkov6cab4862008-07-27 04:23:31 +0100153 case IRQ_TYPE_EDGE_BOTH:
Ben Dooksa21765a2007-02-11 18:31:01 +0100154 newvalue = S3C2410_EXTINT_BOTHEDGE;
155 break;
156
Dmitry Baryshkov6cab4862008-07-27 04:23:31 +0100157 case IRQ_TYPE_LEVEL_LOW:
Ben Dooksa21765a2007-02-11 18:31:01 +0100158 newvalue = S3C2410_EXTINT_LOWLEV;
159 break;
160
Dmitry Baryshkov6cab4862008-07-27 04:23:31 +0100161 case IRQ_TYPE_LEVEL_HIGH:
Ben Dooksa21765a2007-02-11 18:31:01 +0100162 newvalue = S3C2410_EXTINT_HILEV;
163 break;
164
165 default:
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800166 pr_err("No such irq type %d", type);
167 return -EINVAL;
Ben Dooksa21765a2007-02-11 18:31:01 +0100168 }
169
170 value = __raw_readl(extint_reg);
171 value = (value & ~(7 << extint_offset)) | (newvalue << extint_offset);
172 __raw_writel(value, extint_reg);
173
174 return 0;
175}
176
Heiko Stuebnerdc1a3532013-02-12 14:23:01 -0800177static int s3c_irqext_type(struct irq_data *data, unsigned int type)
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800178{
179 void __iomem *extint_reg;
180 void __iomem *gpcon_reg;
181 unsigned long gpcon_offset, extint_offset;
182
183 if ((data->hwirq >= 4) && (data->hwirq <= 7)) {
184 gpcon_reg = S3C2410_GPFCON;
185 extint_reg = S3C24XX_EXTINT0;
186 gpcon_offset = (data->hwirq) * 2;
187 extint_offset = (data->hwirq) * 4;
188 } else if ((data->hwirq >= 8) && (data->hwirq <= 15)) {
189 gpcon_reg = S3C2410_GPGCON;
190 extint_reg = S3C24XX_EXTINT1;
191 gpcon_offset = (data->hwirq - 8) * 2;
192 extint_offset = (data->hwirq - 8) * 4;
193 } else if ((data->hwirq >= 16) && (data->hwirq <= 23)) {
194 gpcon_reg = S3C2410_GPGCON;
195 extint_reg = S3C24XX_EXTINT2;
196 gpcon_offset = (data->hwirq - 8) * 2;
197 extint_offset = (data->hwirq - 16) * 4;
198 } else {
199 return -EINVAL;
200 }
201
202 return s3c_irqext_type_set(gpcon_reg, extint_reg, gpcon_offset,
203 extint_offset, type);
204}
205
206static int s3c_irqext0_type(struct irq_data *data, unsigned int type)
207{
208 void __iomem *extint_reg;
209 void __iomem *gpcon_reg;
210 unsigned long gpcon_offset, extint_offset;
211
212 if ((data->hwirq >= 0) && (data->hwirq <= 3)) {
213 gpcon_reg = S3C2410_GPFCON;
214 extint_reg = S3C24XX_EXTINT0;
215 gpcon_offset = (data->hwirq) * 2;
216 extint_offset = (data->hwirq) * 4;
217 } else {
218 return -EINVAL;
219 }
220
221 return s3c_irqext_type_set(gpcon_reg, extint_reg, gpcon_offset,
222 extint_offset, type);
223}
224
Heiko Stuebnerdc1a3532013-02-12 14:23:01 -0800225static struct irq_chip s3c_irq_chip = {
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800226 .name = "s3c",
227 .irq_ack = s3c_irq_ack,
228 .irq_mask = s3c_irq_mask,
229 .irq_unmask = s3c_irq_unmask,
230 .irq_set_wake = s3c_irq_wake
231};
232
Heiko Stuebnerdc1a3532013-02-12 14:23:01 -0800233static struct irq_chip s3c_irq_level_chip = {
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800234 .name = "s3c-level",
235 .irq_mask = s3c_irq_mask,
236 .irq_unmask = s3c_irq_unmask,
237 .irq_ack = s3c_irq_ack,
238};
239
Ben Dooksa21765a2007-02-11 18:31:01 +0100240static struct irq_chip s3c_irqext_chip = {
241 .name = "s3c-ext",
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800242 .irq_mask = s3c_irq_mask,
243 .irq_unmask = s3c_irq_unmask,
244 .irq_ack = s3c_irq_ack,
Lennert Buytenhek57436c2d2011-01-03 19:15:54 +0900245 .irq_set_type = s3c_irqext_type,
Mark Brownf5aeffb2010-12-02 14:35:38 +0900246 .irq_set_wake = s3c_irqext_wake
Ben Dooksa21765a2007-02-11 18:31:01 +0100247};
248
249static struct irq_chip s3c_irq_eint0t4 = {
250 .name = "s3c-ext0",
Lennert Buytenhek57436c2d2011-01-03 19:15:54 +0900251 .irq_ack = s3c_irq_ack,
252 .irq_mask = s3c_irq_mask,
253 .irq_unmask = s3c_irq_unmask,
254 .irq_set_wake = s3c_irq_wake,
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800255 .irq_set_type = s3c_irqext0_type,
Ben Dooksa21765a2007-02-11 18:31:01 +0100256};
257
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800258static void s3c_irq_demux(unsigned int irq, struct irq_desc *desc)
Ben Dooksa21765a2007-02-11 18:31:01 +0100259{
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800260 struct irq_chip *chip = irq_desc_get_chip(desc);
261 struct s3c_irq_intc *intc = desc->irq_data.domain->host_data;
262 struct s3c_irq_data *irq_data = &intc->irqs[desc->irq_data.hwirq];
263 struct s3c_irq_intc *sub_intc = irq_data->sub_intc;
264 unsigned long src;
265 unsigned long msk;
266 unsigned int n;
Ben Dooksa21765a2007-02-11 18:31:01 +0100267
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800268 chained_irq_enter(chip, desc);
Ben Dooksa21765a2007-02-11 18:31:01 +0100269
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800270 src = __raw_readl(sub_intc->reg_pending);
271 msk = __raw_readl(sub_intc->reg_mask);
Ben Dooksa21765a2007-02-11 18:31:01 +0100272
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800273 src &= ~msk;
274 src &= irq_data->sub_bits;
Ben Dooksa21765a2007-02-11 18:31:01 +0100275
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800276 while (src) {
277 n = __ffs(src);
278 src &= ~(1 << n);
279 generic_handle_irq(irq_find_mapping(sub_intc->domain, n));
Ben Dooksa21765a2007-02-11 18:31:01 +0100280 }
281
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800282 chained_irq_exit(chip, desc);
Ben Dooksa21765a2007-02-11 18:31:01 +0100283}
284
Ben Dooks229fd8f2009-08-03 17:26:57 +0100285#ifdef CONFIG_FIQ
286/**
287 * s3c24xx_set_fiq - set the FIQ routing
288 * @irq: IRQ number to route to FIQ on processor.
289 * @on: Whether to route @irq to the FIQ, or to remove the FIQ routing.
290 *
291 * Change the state of the IRQ to FIQ routing depending on @irq and @on. If
292 * @on is true, the @irq is checked to see if it can be routed and the
293 * interrupt controller updated to route the IRQ. If @on is false, the FIQ
294 * routing is cleared, regardless of which @irq is specified.
295 */
296int s3c24xx_set_fiq(unsigned int irq, bool on)
297{
298 u32 intmod;
299 unsigned offs;
300
301 if (on) {
302 offs = irq - FIQ_START;
303 if (offs > 31)
304 return -EINVAL;
305
306 intmod = 1 << offs;
307 } else {
308 intmod = 0;
309 }
310
311 __raw_writel(intmod, S3C2410_INTMOD);
312 return 0;
313}
Ben Dooks0f13c822009-12-07 14:51:38 +0000314
315EXPORT_SYMBOL_GPL(s3c24xx_set_fiq);
Ben Dooks229fd8f2009-08-03 17:26:57 +0100316#endif
317
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800318static int s3c24xx_irq_map(struct irq_domain *h, unsigned int virq,
319 irq_hw_number_t hw)
320{
321 struct s3c_irq_intc *intc = h->host_data;
322 struct s3c_irq_data *irq_data = &intc->irqs[hw];
323 struct s3c_irq_intc *parent_intc;
324 struct s3c_irq_data *parent_irq_data;
325 unsigned int irqno;
326
327 if (!intc) {
328 pr_err("irq-s3c24xx: no controller found for hwirq %lu\n", hw);
329 return -EINVAL;
330 }
331
332 if (!irq_data) {
333 pr_err("irq-s3c24xx: no irq data found for hwirq %lu\n", hw);
334 return -EINVAL;
335 }
336
337 /* attach controller pointer to irq_data */
338 irq_data->intc = intc;
339
340 /* set handler and flags */
341 switch (irq_data->type) {
342 case S3C_IRQTYPE_NONE:
343 return 0;
344 case S3C_IRQTYPE_EINT:
Heiko Stuebner1c8408e2013-02-12 10:12:09 -0800345 /* On the S3C2412, the EINT0to3 have a parent irq
346 * but need the s3c_irq_eint0t4 chip
347 */
348 if (irq_data->parent_irq && (!soc_is_s3c2412() || hw >= 4))
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800349 irq_set_chip_and_handler(virq, &s3c_irqext_chip,
350 handle_edge_irq);
351 else
352 irq_set_chip_and_handler(virq, &s3c_irq_eint0t4,
353 handle_edge_irq);
354 break;
355 case S3C_IRQTYPE_EDGE:
Heiko Stuebner20f6c782013-01-29 10:25:22 -0800356 if (irq_data->parent_irq ||
357 intc->reg_pending == S3C2416_SRCPND2)
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800358 irq_set_chip_and_handler(virq, &s3c_irq_level_chip,
359 handle_edge_irq);
360 else
361 irq_set_chip_and_handler(virq, &s3c_irq_chip,
362 handle_edge_irq);
363 break;
364 case S3C_IRQTYPE_LEVEL:
365 if (irq_data->parent_irq)
366 irq_set_chip_and_handler(virq, &s3c_irq_level_chip,
367 handle_level_irq);
368 else
369 irq_set_chip_and_handler(virq, &s3c_irq_chip,
370 handle_level_irq);
371 break;
372 default:
373 pr_err("irq-s3c24xx: unsupported irqtype %d\n", irq_data->type);
374 return -EINVAL;
375 }
376 set_irq_flags(virq, IRQF_VALID);
377
378 if (irq_data->parent_irq) {
379 parent_intc = intc->parent;
380 if (!parent_intc) {
381 pr_err("irq-s3c24xx: no parent controller found for hwirq %lu\n",
382 hw);
383 goto err;
384 }
385
386 parent_irq_data = &parent_intc->irqs[irq_data->parent_irq];
387 if (!irq_data) {
388 pr_err("irq-s3c24xx: no irq data found for hwirq %lu\n",
389 hw);
390 goto err;
391 }
392
393 parent_irq_data->sub_intc = intc;
394 parent_irq_data->sub_bits |= (1UL << hw);
395
396 /* attach the demuxer to the parent irq */
397 irqno = irq_find_mapping(parent_intc->domain,
398 irq_data->parent_irq);
399 if (!irqno) {
400 pr_err("irq-s3c24xx: could not find mapping for parent irq %lu\n",
401 irq_data->parent_irq);
402 goto err;
403 }
404 irq_set_chained_handler(irqno, s3c_irq_demux);
405 }
406
407 return 0;
408
409err:
410 set_irq_flags(virq, 0);
411
412 /* the only error can result from bad mapping data*/
413 return -EINVAL;
414}
415
416static struct irq_domain_ops s3c24xx_irq_ops = {
417 .map = s3c24xx_irq_map,
418 .xlate = irq_domain_xlate_twocell,
419};
420
421static void s3c24xx_clear_intc(struct s3c_irq_intc *intc)
422{
423 void __iomem *reg_source;
424 unsigned long pend;
425 unsigned long last;
426 int i;
427
428 /* if intpnd is set, read the next pending irq from there */
429 reg_source = intc->reg_intpnd ? intc->reg_intpnd : intc->reg_pending;
430
431 last = 0;
432 for (i = 0; i < 4; i++) {
433 pend = __raw_readl(reg_source);
434
435 if (pend == 0 || pend == last)
436 break;
437
438 __raw_writel(pend, intc->reg_pending);
439 if (intc->reg_intpnd)
440 __raw_writel(pend, intc->reg_intpnd);
441
442 pr_info("irq: clearing pending status %08x\n", (int)pend);
443 last = pend;
444 }
445}
446
447struct s3c_irq_intc *s3c24xx_init_intc(struct device_node *np,
448 struct s3c_irq_data *irq_data,
449 struct s3c_irq_intc *parent,
450 unsigned long address)
451{
452 struct s3c_irq_intc *intc;
453 void __iomem *base = (void *)0xf6000000; /* static mapping */
454 int irq_num;
455 int irq_start;
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800456 int ret;
457
458 intc = kzalloc(sizeof(struct s3c_irq_intc), GFP_KERNEL);
459 if (!intc)
460 return ERR_PTR(-ENOMEM);
461
462 intc->irqs = irq_data;
463
464 if (parent)
465 intc->parent = parent;
466
467 /* select the correct data for the controller.
468 * Need to hard code the irq num start and offset
469 * to preserve the static mapping for now
470 */
471 switch (address) {
472 case 0x4a000000:
473 pr_debug("irq: found main intc\n");
474 intc->reg_pending = base;
475 intc->reg_mask = base + 0x08;
476 intc->reg_intpnd = base + 0x10;
477 irq_num = 32;
478 irq_start = S3C2410_IRQ(0);
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800479 break;
480 case 0x4a000018:
481 pr_debug("irq: found subintc\n");
482 intc->reg_pending = base + 0x18;
483 intc->reg_mask = base + 0x1c;
484 irq_num = 29;
485 irq_start = S3C2410_IRQSUB(0);
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800486 break;
487 case 0x4a000040:
488 pr_debug("irq: found intc2\n");
489 intc->reg_pending = base + 0x40;
490 intc->reg_mask = base + 0x48;
491 intc->reg_intpnd = base + 0x50;
492 irq_num = 8;
493 irq_start = S3C2416_IRQ(0);
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800494 break;
495 case 0x560000a4:
496 pr_debug("irq: found eintc\n");
497 base = (void *)0xfd000000;
498
499 intc->reg_mask = base + 0xa4;
500 intc->reg_pending = base + 0x08;
Heiko Stuebner5424f212013-02-12 10:12:04 -0800501 irq_num = 24;
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800502 irq_start = S3C2410_IRQ(32);
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800503 break;
504 default:
505 pr_err("irq: unsupported controller address\n");
506 ret = -EINVAL;
507 goto err;
508 }
509
510 /* now that all the data is complete, init the irq-domain */
511 s3c24xx_clear_intc(intc);
512 intc->domain = irq_domain_add_legacy(np, irq_num, irq_start,
Heiko Stuebner5424f212013-02-12 10:12:04 -0800513 0, &s3c24xx_irq_ops,
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800514 intc);
515 if (!intc->domain) {
516 pr_err("irq: could not create irq-domain\n");
517 ret = -EINVAL;
518 goto err;
519 }
520
521 return intc;
522
523err:
524 kfree(intc);
525 return ERR_PTR(ret);
526}
Ben Dooks229fd8f2009-08-03 17:26:57 +0100527
Ben Dooksa21765a2007-02-11 18:31:01 +0100528/* s3c24xx_init_irq
529 *
530 * Initialise S3C2410 IRQ system
531*/
532
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800533static struct s3c_irq_data init_base[32] = {
534 { .type = S3C_IRQTYPE_EINT, }, /* EINT0 */
535 { .type = S3C_IRQTYPE_EINT, }, /* EINT1 */
536 { .type = S3C_IRQTYPE_EINT, }, /* EINT2 */
537 { .type = S3C_IRQTYPE_EINT, }, /* EINT3 */
538 { .type = S3C_IRQTYPE_LEVEL, }, /* EINT4to7 */
539 { .type = S3C_IRQTYPE_LEVEL, }, /* EINT8to23 */
540 { .type = S3C_IRQTYPE_NONE, }, /* reserved */
541 { .type = S3C_IRQTYPE_EDGE, }, /* nBATT_FLT */
542 { .type = S3C_IRQTYPE_EDGE, }, /* TICK */
543 { .type = S3C_IRQTYPE_EDGE, }, /* WDT */
544 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER0 */
545 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER1 */
546 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER2 */
547 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER3 */
548 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER4 */
549 { .type = S3C_IRQTYPE_LEVEL, }, /* UART2 */
550 { .type = S3C_IRQTYPE_EDGE, }, /* LCD */
551 { .type = S3C_IRQTYPE_EDGE, }, /* DMA0 */
552 { .type = S3C_IRQTYPE_EDGE, }, /* DMA1 */
553 { .type = S3C_IRQTYPE_EDGE, }, /* DMA2 */
554 { .type = S3C_IRQTYPE_EDGE, }, /* DMA3 */
555 { .type = S3C_IRQTYPE_EDGE, }, /* SDI */
556 { .type = S3C_IRQTYPE_EDGE, }, /* SPI0 */
557 { .type = S3C_IRQTYPE_LEVEL, }, /* UART1 */
558 { .type = S3C_IRQTYPE_NONE, }, /* reserved */
559 { .type = S3C_IRQTYPE_EDGE, }, /* USBD */
560 { .type = S3C_IRQTYPE_EDGE, }, /* USBH */
561 { .type = S3C_IRQTYPE_EDGE, }, /* IIC */
562 { .type = S3C_IRQTYPE_LEVEL, }, /* UART0 */
563 { .type = S3C_IRQTYPE_EDGE, }, /* SPI1 */
564 { .type = S3C_IRQTYPE_EDGE, }, /* RTC */
565 { .type = S3C_IRQTYPE_LEVEL, }, /* ADCPARENT */
566};
567
568static struct s3c_irq_data init_eint[32] = {
569 { .type = S3C_IRQTYPE_NONE, }, /* reserved */
570 { .type = S3C_IRQTYPE_NONE, }, /* reserved */
571 { .type = S3C_IRQTYPE_NONE, }, /* reserved */
572 { .type = S3C_IRQTYPE_NONE, }, /* reserved */
573 { .type = S3C_IRQTYPE_EINT, .parent_irq = 4 }, /* EINT4 */
574 { .type = S3C_IRQTYPE_EINT, .parent_irq = 4 }, /* EINT5 */
575 { .type = S3C_IRQTYPE_EINT, .parent_irq = 4 }, /* EINT6 */
576 { .type = S3C_IRQTYPE_EINT, .parent_irq = 4 }, /* EINT7 */
577 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT8 */
578 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT9 */
579 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT10 */
580 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT11 */
581 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT12 */
582 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT13 */
583 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT14 */
584 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT15 */
585 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT16 */
586 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT17 */
587 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT18 */
588 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT19 */
589 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT20 */
590 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT21 */
591 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT22 */
592 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT23 */
593};
594
595static struct s3c_irq_data init_subint[32] = {
596 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-RX */
597 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-TX */
598 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-ERR */
599 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-RX */
600 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-TX */
601 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-ERR */
602 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-RX */
603 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-TX */
604 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-ERR */
605 { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* TC */
606 { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* ADC */
607};
608
Ben Dooksa21765a2007-02-11 18:31:01 +0100609void __init s3c24xx_init_irq(void)
610{
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800611 struct s3c_irq_intc *main_intc;
Ben Dooksa21765a2007-02-11 18:31:01 +0100612
Ben Dooks229fd8f2009-08-03 17:26:57 +0100613#ifdef CONFIG_FIQ
Shawn Guobc896632012-06-28 14:42:08 +0800614 init_FIQ(FIQ_START);
Ben Dooks229fd8f2009-08-03 17:26:57 +0100615#endif
616
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800617 main_intc = s3c24xx_init_intc(NULL, &init_base[0], NULL, 0x4a000000);
618 if (IS_ERR(main_intc)) {
619 pr_err("irq: could not create main interrupt controller\n");
620 return;
Ben Dooksa21765a2007-02-11 18:31:01 +0100621 }
622
Heiko Stuebner1f629b72013-01-29 10:25:22 -0800623 s3c24xx_init_intc(NULL, &init_subint[0], main_intc, 0x4a000018);
624 s3c24xx_init_intc(NULL, &init_eint[0], main_intc, 0x560000a4);
Ben Dooksa21765a2007-02-11 18:31:01 +0100625}
Heiko Stuebneref602eb2013-01-29 10:25:22 -0800626
Heiko Stuebnerd3d5a2c2013-02-12 10:09:13 -0800627#ifdef CONFIG_CPU_S3C2412
Heiko Stuebner42459442013-02-12 10:09:21 -0800628static struct s3c_irq_data init_s3c2412base[32] = {
Heiko Stuebner1c8408e2013-02-12 10:12:09 -0800629 { .type = S3C_IRQTYPE_LEVEL, }, /* EINT0 */
630 { .type = S3C_IRQTYPE_LEVEL, }, /* EINT1 */
631 { .type = S3C_IRQTYPE_LEVEL, }, /* EINT2 */
632 { .type = S3C_IRQTYPE_LEVEL, }, /* EINT3 */
Heiko Stuebner42459442013-02-12 10:09:21 -0800633 { .type = S3C_IRQTYPE_LEVEL, }, /* EINT4to7 */
634 { .type = S3C_IRQTYPE_LEVEL, }, /* EINT8to23 */
635 { .type = S3C_IRQTYPE_NONE, }, /* reserved */
636 { .type = S3C_IRQTYPE_EDGE, }, /* nBATT_FLT */
637 { .type = S3C_IRQTYPE_EDGE, }, /* TICK */
638 { .type = S3C_IRQTYPE_EDGE, }, /* WDT */
639 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER0 */
640 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER1 */
641 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER2 */
642 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER3 */
643 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER4 */
644 { .type = S3C_IRQTYPE_LEVEL, }, /* UART2 */
645 { .type = S3C_IRQTYPE_EDGE, }, /* LCD */
646 { .type = S3C_IRQTYPE_EDGE, }, /* DMA0 */
647 { .type = S3C_IRQTYPE_EDGE, }, /* DMA1 */
648 { .type = S3C_IRQTYPE_EDGE, }, /* DMA2 */
649 { .type = S3C_IRQTYPE_EDGE, }, /* DMA3 */
650 { .type = S3C_IRQTYPE_LEVEL, }, /* SDI/CF */
651 { .type = S3C_IRQTYPE_EDGE, }, /* SPI0 */
652 { .type = S3C_IRQTYPE_LEVEL, }, /* UART1 */
653 { .type = S3C_IRQTYPE_NONE, }, /* reserved */
654 { .type = S3C_IRQTYPE_EDGE, }, /* USBD */
655 { .type = S3C_IRQTYPE_EDGE, }, /* USBH */
656 { .type = S3C_IRQTYPE_EDGE, }, /* IIC */
657 { .type = S3C_IRQTYPE_LEVEL, }, /* UART0 */
658 { .type = S3C_IRQTYPE_EDGE, }, /* SPI1 */
659 { .type = S3C_IRQTYPE_EDGE, }, /* RTC */
660 { .type = S3C_IRQTYPE_LEVEL, }, /* ADCPARENT */
661};
Heiko Stuebnerd3d5a2c2013-02-12 10:09:13 -0800662
Heiko Stuebner1c8408e2013-02-12 10:12:09 -0800663static struct s3c_irq_data init_s3c2412eint[32] = {
664 { .type = S3C_IRQTYPE_EINT, .parent_irq = 0 }, /* EINT0 */
665 { .type = S3C_IRQTYPE_EINT, .parent_irq = 1 }, /* EINT1 */
666 { .type = S3C_IRQTYPE_EINT, .parent_irq = 2 }, /* EINT2 */
667 { .type = S3C_IRQTYPE_EINT, .parent_irq = 3 }, /* EINT3 */
668 { .type = S3C_IRQTYPE_EINT, .parent_irq = 4 }, /* EINT4 */
669 { .type = S3C_IRQTYPE_EINT, .parent_irq = 4 }, /* EINT5 */
670 { .type = S3C_IRQTYPE_EINT, .parent_irq = 4 }, /* EINT6 */
671 { .type = S3C_IRQTYPE_EINT, .parent_irq = 4 }, /* EINT7 */
672 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT8 */
673 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT9 */
674 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT10 */
675 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT11 */
676 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT12 */
677 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT13 */
678 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT14 */
679 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT15 */
680 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT16 */
681 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT17 */
682 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT18 */
683 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT19 */
684 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT20 */
685 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT21 */
686 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT22 */
687 { .type = S3C_IRQTYPE_EINT, .parent_irq = 5 }, /* EINT23 */
688};
689
Heiko Stuebner42459442013-02-12 10:09:21 -0800690static struct s3c_irq_data init_s3c2412subint[32] = {
691 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-RX */
692 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-TX */
693 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-ERR */
694 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-RX */
695 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-TX */
696 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-ERR */
697 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-RX */
698 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-TX */
699 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-ERR */
700 { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* TC */
701 { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* ADC */
702 { .type = S3C_IRQTYPE_NONE, },
703 { .type = S3C_IRQTYPE_NONE, },
704 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 21 }, /* SDI */
705 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 21 }, /* CF */
706};
Heiko Stuebnerd3d5a2c2013-02-12 10:09:13 -0800707
Heiko Stuebner0da09932013-02-12 10:09:18 -0800708void s3c2412_init_irq(void)
Heiko Stuebnerd3d5a2c2013-02-12 10:09:13 -0800709{
Heiko Stuebner42459442013-02-12 10:09:21 -0800710 struct s3c_irq_intc *main_intc;
Heiko Stuebnerd3d5a2c2013-02-12 10:09:13 -0800711
Heiko Stuebner42459442013-02-12 10:09:21 -0800712 pr_info("S3C2412: IRQ Support\n");
713
714#ifdef CONFIG_FIQ
715 init_FIQ(FIQ_START);
716#endif
717
718 main_intc = s3c24xx_init_intc(NULL, &init_s3c2412base[0], NULL, 0x4a000000);
719 if (IS_ERR(main_intc)) {
720 pr_err("irq: could not create main interrupt controller\n");
721 return;
722 }
723
Heiko Stuebner1c8408e2013-02-12 10:12:09 -0800724 s3c24xx_init_intc(NULL, &init_s3c2412eint[0], main_intc, 0x560000a4);
Heiko Stuebner42459442013-02-12 10:09:21 -0800725 s3c24xx_init_intc(NULL, &init_s3c2412subint[0], main_intc, 0x4a000018);
Heiko Stuebnerd3d5a2c2013-02-12 10:09:13 -0800726}
Heiko Stuebnerd3d5a2c2013-02-12 10:09:13 -0800727#endif
728
Heiko Stuebneref602eb2013-01-29 10:25:22 -0800729#ifdef CONFIG_CPU_S3C2416
Heiko Stuebner20f6c782013-01-29 10:25:22 -0800730static struct s3c_irq_data init_s3c2416base[32] = {
731 { .type = S3C_IRQTYPE_EINT, }, /* EINT0 */
732 { .type = S3C_IRQTYPE_EINT, }, /* EINT1 */
733 { .type = S3C_IRQTYPE_EINT, }, /* EINT2 */
734 { .type = S3C_IRQTYPE_EINT, }, /* EINT3 */
735 { .type = S3C_IRQTYPE_LEVEL, }, /* EINT4to7 */
736 { .type = S3C_IRQTYPE_LEVEL, }, /* EINT8to23 */
737 { .type = S3C_IRQTYPE_NONE, }, /* reserved */
738 { .type = S3C_IRQTYPE_EDGE, }, /* nBATT_FLT */
739 { .type = S3C_IRQTYPE_EDGE, }, /* TICK */
740 { .type = S3C_IRQTYPE_LEVEL, }, /* WDT/AC97 */
741 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER0 */
742 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER1 */
743 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER2 */
744 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER3 */
745 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER4 */
746 { .type = S3C_IRQTYPE_LEVEL, }, /* UART2 */
747 { .type = S3C_IRQTYPE_LEVEL, }, /* LCD */
748 { .type = S3C_IRQTYPE_LEVEL, }, /* DMA */
749 { .type = S3C_IRQTYPE_LEVEL, }, /* UART3 */
750 { .type = S3C_IRQTYPE_NONE, }, /* reserved */
751 { .type = S3C_IRQTYPE_EDGE, }, /* SDI1 */
752 { .type = S3C_IRQTYPE_EDGE, }, /* SDI0 */
753 { .type = S3C_IRQTYPE_EDGE, }, /* SPI0 */
754 { .type = S3C_IRQTYPE_LEVEL, }, /* UART1 */
755 { .type = S3C_IRQTYPE_EDGE, }, /* NAND */
756 { .type = S3C_IRQTYPE_EDGE, }, /* USBD */
757 { .type = S3C_IRQTYPE_EDGE, }, /* USBH */
758 { .type = S3C_IRQTYPE_EDGE, }, /* IIC */
759 { .type = S3C_IRQTYPE_LEVEL, }, /* UART0 */
760 { .type = S3C_IRQTYPE_NONE, },
761 { .type = S3C_IRQTYPE_EDGE, }, /* RTC */
762 { .type = S3C_IRQTYPE_LEVEL, }, /* ADCPARENT */
Heiko Stuebneref602eb2013-01-29 10:25:22 -0800763};
764
Heiko Stuebner20f6c782013-01-29 10:25:22 -0800765static struct s3c_irq_data init_s3c2416subint[32] = {
766 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-RX */
767 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-TX */
768 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-ERR */
769 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-RX */
770 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-TX */
771 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-ERR */
772 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-RX */
773 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-TX */
774 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-ERR */
775 { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* TC */
776 { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* ADC */
777 { .type = S3C_IRQTYPE_NONE }, /* reserved */
778 { .type = S3C_IRQTYPE_NONE }, /* reserved */
779 { .type = S3C_IRQTYPE_NONE }, /* reserved */
780 { .type = S3C_IRQTYPE_NONE }, /* reserved */
781 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 16 }, /* LCD2 */
782 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 16 }, /* LCD3 */
783 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 16 }, /* LCD4 */
784 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA0 */
785 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA1 */
786 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA2 */
787 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA3 */
788 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA4 */
789 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA5 */
790 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 18 }, /* UART3-RX */
791 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 18 }, /* UART3-TX */
792 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 18 }, /* UART3-ERR */
793 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 9 }, /* WDT */
794 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 9 }, /* AC97 */
Heiko Stuebneref602eb2013-01-29 10:25:22 -0800795};
796
Heiko Stuebner20f6c782013-01-29 10:25:22 -0800797static struct s3c_irq_data init_s3c2416_second[32] = {
798 { .type = S3C_IRQTYPE_EDGE }, /* 2D */
799 { .type = S3C_IRQTYPE_EDGE }, /* IIC1 */
800 { .type = S3C_IRQTYPE_NONE }, /* reserved */
801 { .type = S3C_IRQTYPE_NONE }, /* reserved */
802 { .type = S3C_IRQTYPE_EDGE }, /* PCM0 */
803 { .type = S3C_IRQTYPE_EDGE }, /* PCM1 */
804 { .type = S3C_IRQTYPE_EDGE }, /* I2S0 */
805 { .type = S3C_IRQTYPE_EDGE }, /* I2S1 */
Heiko Stuebneref602eb2013-01-29 10:25:22 -0800806};
807
Heiko Stuebner4a282dd2013-01-29 10:25:22 -0800808void __init s3c2416_init_irq(void)
Heiko Stuebneref602eb2013-01-29 10:25:22 -0800809{
Heiko Stuebner20f6c782013-01-29 10:25:22 -0800810 struct s3c_irq_intc *main_intc;
811
Heiko Stuebner4a282dd2013-01-29 10:25:22 -0800812 pr_info("S3C2416: IRQ Support\n");
813
Heiko Stuebner20f6c782013-01-29 10:25:22 -0800814#ifdef CONFIG_FIQ
815 init_FIQ(FIQ_START);
816#endif
Heiko Stuebneref602eb2013-01-29 10:25:22 -0800817
Heiko Stuebner20f6c782013-01-29 10:25:22 -0800818 main_intc = s3c24xx_init_intc(NULL, &init_s3c2416base[0], NULL, 0x4a000000);
819 if (IS_ERR(main_intc)) {
820 pr_err("irq: could not create main interrupt controller\n");
821 return;
822 }
Heiko Stuebneref602eb2013-01-29 10:25:22 -0800823
Heiko Stuebner20f6c782013-01-29 10:25:22 -0800824 s3c24xx_init_intc(NULL, &init_eint[0], main_intc, 0x560000a4);
825 s3c24xx_init_intc(NULL, &init_s3c2416subint[0], main_intc, 0x4a000018);
Heiko Stuebneref602eb2013-01-29 10:25:22 -0800826
Heiko Stuebner20f6c782013-01-29 10:25:22 -0800827 s3c24xx_init_intc(NULL, &init_s3c2416_second[0], NULL, 0x4a000040);
Heiko Stuebneref602eb2013-01-29 10:25:22 -0800828}
829
Heiko Stuebneref602eb2013-01-29 10:25:22 -0800830#endif
Heiko Stuebner6b628912013-01-29 10:25:22 -0800831
Heiko Stuebnerf0301672013-02-12 09:59:35 -0800832#ifdef CONFIG_CPU_S3C2440
833static struct s3c_irq_data init_s3c2440base[32] = {
834 { .type = S3C_IRQTYPE_EINT, }, /* EINT0 */
835 { .type = S3C_IRQTYPE_EINT, }, /* EINT1 */
836 { .type = S3C_IRQTYPE_EINT, }, /* EINT2 */
837 { .type = S3C_IRQTYPE_EINT, }, /* EINT3 */
838 { .type = S3C_IRQTYPE_LEVEL, }, /* EINT4to7 */
839 { .type = S3C_IRQTYPE_LEVEL, }, /* EINT8to23 */
840 { .type = S3C_IRQTYPE_LEVEL, }, /* CAM */
841 { .type = S3C_IRQTYPE_EDGE, }, /* nBATT_FLT */
842 { .type = S3C_IRQTYPE_EDGE, }, /* TICK */
843 { .type = S3C_IRQTYPE_LEVEL, }, /* WDT/AC97 */
844 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER0 */
845 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER1 */
846 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER2 */
847 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER3 */
848 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER4 */
849 { .type = S3C_IRQTYPE_LEVEL, }, /* UART2 */
850 { .type = S3C_IRQTYPE_EDGE, }, /* LCD */
851 { .type = S3C_IRQTYPE_EDGE, }, /* DMA0 */
852 { .type = S3C_IRQTYPE_EDGE, }, /* DMA1 */
853 { .type = S3C_IRQTYPE_EDGE, }, /* DMA2 */
854 { .type = S3C_IRQTYPE_EDGE, }, /* DMA3 */
855 { .type = S3C_IRQTYPE_EDGE, }, /* SDI */
856 { .type = S3C_IRQTYPE_EDGE, }, /* SPI0 */
857 { .type = S3C_IRQTYPE_LEVEL, }, /* UART1 */
858 { .type = S3C_IRQTYPE_LEVEL, }, /* NFCON */
859 { .type = S3C_IRQTYPE_EDGE, }, /* USBD */
860 { .type = S3C_IRQTYPE_EDGE, }, /* USBH */
861 { .type = S3C_IRQTYPE_EDGE, }, /* IIC */
862 { .type = S3C_IRQTYPE_LEVEL, }, /* UART0 */
863 { .type = S3C_IRQTYPE_EDGE, }, /* SPI1 */
864 { .type = S3C_IRQTYPE_EDGE, }, /* RTC */
865 { .type = S3C_IRQTYPE_LEVEL, }, /* ADCPARENT */
Heiko Stuebner6f8d7ea2013-02-12 09:59:17 -0800866};
867
Heiko Stuebnerf0301672013-02-12 09:59:35 -0800868static struct s3c_irq_data init_s3c2440subint[32] = {
869 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-RX */
870 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-TX */
871 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-ERR */
872 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-RX */
873 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-TX */
874 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-ERR */
875 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-RX */
876 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-TX */
877 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-ERR */
878 { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* TC */
879 { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* ADC */
880 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 6 }, /* TC */
881 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 6 }, /* ADC */
882 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 9 }, /* WDT */
883 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 9 }, /* AC97 */
Heiko Stuebner2286cf42013-02-12 09:59:24 -0800884};
885
Heiko Stuebner7cefed52013-02-12 09:59:27 -0800886void __init s3c2440_init_irq(void)
Heiko Stuebner2286cf42013-02-12 09:59:24 -0800887{
Heiko Stuebnerf0301672013-02-12 09:59:35 -0800888 struct s3c_irq_intc *main_intc;
Heiko Stuebner2286cf42013-02-12 09:59:24 -0800889
Heiko Stuebnerf0301672013-02-12 09:59:35 -0800890 pr_info("S3C2440: IRQ Support\n");
Heiko Stuebner2286cf42013-02-12 09:59:24 -0800891
Heiko Stuebnerf0301672013-02-12 09:59:35 -0800892#ifdef CONFIG_FIQ
893 init_FIQ(FIQ_START);
894#endif
Heiko Stuebnerce6c1642013-02-12 09:59:20 -0800895
Heiko Stuebnerf0301672013-02-12 09:59:35 -0800896 main_intc = s3c24xx_init_intc(NULL, &init_s3c2440base[0], NULL, 0x4a000000);
897 if (IS_ERR(main_intc)) {
898 pr_err("irq: could not create main interrupt controller\n");
899 return;
Heiko Stuebner6f8d7ea2013-02-12 09:59:17 -0800900 }
Heiko Stuebner7cefed52013-02-12 09:59:27 -0800901
Heiko Stuebnerf0301672013-02-12 09:59:35 -0800902 s3c24xx_init_intc(NULL, &init_eint[0], main_intc, 0x560000a4);
903 s3c24xx_init_intc(NULL, &init_s3c2440subint[0], main_intc, 0x4a000018);
Heiko Stuebner6f8d7ea2013-02-12 09:59:17 -0800904}
Heiko Stuebnerce6c1642013-02-12 09:59:20 -0800905#endif
Heiko Stuebner6f8d7ea2013-02-12 09:59:17 -0800906
Heiko Stuebnerce6c1642013-02-12 09:59:20 -0800907#ifdef CONFIG_CPU_S3C2442
Heiko Stuebner70644ad2013-02-12 09:59:31 -0800908static struct s3c_irq_data init_s3c2442base[32] = {
909 { .type = S3C_IRQTYPE_EINT, }, /* EINT0 */
910 { .type = S3C_IRQTYPE_EINT, }, /* EINT1 */
911 { .type = S3C_IRQTYPE_EINT, }, /* EINT2 */
912 { .type = S3C_IRQTYPE_EINT, }, /* EINT3 */
913 { .type = S3C_IRQTYPE_LEVEL, }, /* EINT4to7 */
914 { .type = S3C_IRQTYPE_LEVEL, }, /* EINT8to23 */
915 { .type = S3C_IRQTYPE_LEVEL, }, /* CAM */
916 { .type = S3C_IRQTYPE_EDGE, }, /* nBATT_FLT */
917 { .type = S3C_IRQTYPE_EDGE, }, /* TICK */
918 { .type = S3C_IRQTYPE_EDGE, }, /* WDT */
919 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER0 */
920 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER1 */
921 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER2 */
922 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER3 */
923 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER4 */
924 { .type = S3C_IRQTYPE_LEVEL, }, /* UART2 */
925 { .type = S3C_IRQTYPE_EDGE, }, /* LCD */
926 { .type = S3C_IRQTYPE_EDGE, }, /* DMA0 */
927 { .type = S3C_IRQTYPE_EDGE, }, /* DMA1 */
928 { .type = S3C_IRQTYPE_EDGE, }, /* DMA2 */
929 { .type = S3C_IRQTYPE_EDGE, }, /* DMA3 */
930 { .type = S3C_IRQTYPE_EDGE, }, /* SDI */
931 { .type = S3C_IRQTYPE_EDGE, }, /* SPI0 */
932 { .type = S3C_IRQTYPE_LEVEL, }, /* UART1 */
933 { .type = S3C_IRQTYPE_LEVEL, }, /* NFCON */
934 { .type = S3C_IRQTYPE_EDGE, }, /* USBD */
935 { .type = S3C_IRQTYPE_EDGE, }, /* USBH */
936 { .type = S3C_IRQTYPE_EDGE, }, /* IIC */
937 { .type = S3C_IRQTYPE_LEVEL, }, /* UART0 */
938 { .type = S3C_IRQTYPE_EDGE, }, /* SPI1 */
939 { .type = S3C_IRQTYPE_EDGE, }, /* RTC */
940 { .type = S3C_IRQTYPE_LEVEL, }, /* ADCPARENT */
941};
942
943static struct s3c_irq_data init_s3c2442subint[32] = {
944 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-RX */
945 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-TX */
946 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-ERR */
947 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-RX */
948 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-TX */
949 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-ERR */
950 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-RX */
951 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-TX */
952 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-ERR */
953 { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* TC */
954 { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* ADC */
955 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 6 }, /* TC */
956 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 6 }, /* ADC */
957};
958
Heiko Stuebnerce6c1642013-02-12 09:59:20 -0800959void __init s3c2442_init_irq(void)
Heiko Stuebner6f8d7ea2013-02-12 09:59:17 -0800960{
Heiko Stuebner70644ad2013-02-12 09:59:31 -0800961 struct s3c_irq_intc *main_intc;
Heiko Stuebnerce6c1642013-02-12 09:59:20 -0800962
Heiko Stuebner70644ad2013-02-12 09:59:31 -0800963 pr_info("S3C2442: IRQ Support\n");
Heiko Stuebnerce6c1642013-02-12 09:59:20 -0800964
Heiko Stuebner70644ad2013-02-12 09:59:31 -0800965#ifdef CONFIG_FIQ
966 init_FIQ(FIQ_START);
967#endif
Heiko Stuebnerce6c1642013-02-12 09:59:20 -0800968
Heiko Stuebner70644ad2013-02-12 09:59:31 -0800969 main_intc = s3c24xx_init_intc(NULL, &init_s3c2442base[0], NULL, 0x4a000000);
970 if (IS_ERR(main_intc)) {
971 pr_err("irq: could not create main interrupt controller\n");
972 return;
Heiko Stuebnerce6c1642013-02-12 09:59:20 -0800973 }
Heiko Stuebner70644ad2013-02-12 09:59:31 -0800974
975 s3c24xx_init_intc(NULL, &init_eint[0], main_intc, 0x560000a4);
976 s3c24xx_init_intc(NULL, &init_s3c2442subint[0], main_intc, 0x4a000018);
Heiko Stuebner6f8d7ea2013-02-12 09:59:17 -0800977}
Heiko Stuebnerce6c1642013-02-12 09:59:20 -0800978#endif
Heiko Stuebner6f8d7ea2013-02-12 09:59:17 -0800979
Heiko Stuebner6b628912013-01-29 10:25:22 -0800980#ifdef CONFIG_CPU_S3C2443
Heiko Stuebnerf44ddba2013-01-29 10:25:23 -0800981static struct s3c_irq_data init_s3c2443base[32] = {
982 { .type = S3C_IRQTYPE_EINT, }, /* EINT0 */
983 { .type = S3C_IRQTYPE_EINT, }, /* EINT1 */
984 { .type = S3C_IRQTYPE_EINT, }, /* EINT2 */
985 { .type = S3C_IRQTYPE_EINT, }, /* EINT3 */
986 { .type = S3C_IRQTYPE_LEVEL, }, /* EINT4to7 */
987 { .type = S3C_IRQTYPE_LEVEL, }, /* EINT8to23 */
988 { .type = S3C_IRQTYPE_LEVEL, }, /* CAM */
989 { .type = S3C_IRQTYPE_EDGE, }, /* nBATT_FLT */
990 { .type = S3C_IRQTYPE_EDGE, }, /* TICK */
991 { .type = S3C_IRQTYPE_LEVEL, }, /* WDT/AC97 */
992 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER0 */
993 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER1 */
994 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER2 */
995 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER3 */
996 { .type = S3C_IRQTYPE_EDGE, }, /* TIMER4 */
997 { .type = S3C_IRQTYPE_LEVEL, }, /* UART2 */
998 { .type = S3C_IRQTYPE_LEVEL, }, /* LCD */
999 { .type = S3C_IRQTYPE_LEVEL, }, /* DMA */
1000 { .type = S3C_IRQTYPE_LEVEL, }, /* UART3 */
1001 { .type = S3C_IRQTYPE_EDGE, }, /* CFON */
1002 { .type = S3C_IRQTYPE_EDGE, }, /* SDI1 */
1003 { .type = S3C_IRQTYPE_EDGE, }, /* SDI0 */
1004 { .type = S3C_IRQTYPE_EDGE, }, /* SPI0 */
1005 { .type = S3C_IRQTYPE_LEVEL, }, /* UART1 */
1006 { .type = S3C_IRQTYPE_EDGE, }, /* NAND */
1007 { .type = S3C_IRQTYPE_EDGE, }, /* USBD */
1008 { .type = S3C_IRQTYPE_EDGE, }, /* USBH */
1009 { .type = S3C_IRQTYPE_EDGE, }, /* IIC */
1010 { .type = S3C_IRQTYPE_LEVEL, }, /* UART0 */
1011 { .type = S3C_IRQTYPE_EDGE, }, /* SPI1 */
1012 { .type = S3C_IRQTYPE_EDGE, }, /* RTC */
1013 { .type = S3C_IRQTYPE_LEVEL, }, /* ADCPARENT */
Heiko Stuebner6b628912013-01-29 10:25:22 -08001014};
1015
Heiko Stuebner6b628912013-01-29 10:25:22 -08001016
Heiko Stuebnerf44ddba2013-01-29 10:25:23 -08001017static struct s3c_irq_data init_s3c2443subint[32] = {
1018 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-RX */
1019 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-TX */
1020 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 28 }, /* UART0-ERR */
1021 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-RX */
1022 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-TX */
1023 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 23 }, /* UART1-ERR */
1024 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-RX */
1025 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-TX */
1026 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 15 }, /* UART2-ERR */
1027 { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* TC */
1028 { .type = S3C_IRQTYPE_EDGE, .parent_irq = 31 }, /* ADC */
1029 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 6 }, /* CAM_C */
1030 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 6 }, /* CAM_P */
1031 { .type = S3C_IRQTYPE_NONE }, /* reserved */
1032 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 16 }, /* LCD1 */
1033 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 16 }, /* LCD2 */
1034 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 16 }, /* LCD3 */
1035 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 16 }, /* LCD4 */
1036 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA0 */
1037 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA1 */
1038 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA2 */
1039 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA3 */
1040 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA4 */
1041 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 17 }, /* DMA5 */
1042 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 18 }, /* UART3-RX */
1043 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 18 }, /* UART3-TX */
1044 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 18 }, /* UART3-ERR */
1045 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 9 }, /* WDT */
1046 { .type = S3C_IRQTYPE_LEVEL, .parent_irq = 9 }, /* AC97 */
Heiko Stuebner6b628912013-01-29 10:25:22 -08001047};
1048
Heiko Stuebnerb499b7a2013-01-29 10:25:23 -08001049void __init s3c2443_init_irq(void)
Heiko Stuebner6b628912013-01-29 10:25:22 -08001050{
Heiko Stuebnerf44ddba2013-01-29 10:25:23 -08001051 struct s3c_irq_intc *main_intc;
1052
Heiko Stuebnerb499b7a2013-01-29 10:25:23 -08001053 pr_info("S3C2443: IRQ Support\n");
1054
Heiko Stuebnerf44ddba2013-01-29 10:25:23 -08001055#ifdef CONFIG_FIQ
1056 init_FIQ(FIQ_START);
1057#endif
Heiko Stuebner6b628912013-01-29 10:25:22 -08001058
Heiko Stuebnerf44ddba2013-01-29 10:25:23 -08001059 main_intc = s3c24xx_init_intc(NULL, &init_s3c2443base[0], NULL, 0x4a000000);
1060 if (IS_ERR(main_intc)) {
1061 pr_err("irq: could not create main interrupt controller\n");
1062 return;
1063 }
Heiko Stuebner6b628912013-01-29 10:25:22 -08001064
Heiko Stuebnerf44ddba2013-01-29 10:25:23 -08001065 s3c24xx_init_intc(NULL, &init_eint[0], main_intc, 0x560000a4);
1066 s3c24xx_init_intc(NULL, &init_s3c2443subint[0], main_intc, 0x4a000018);
Heiko Stuebner6b628912013-01-29 10:25:22 -08001067}
Heiko Stuebner6b628912013-01-29 10:25:22 -08001068#endif