staging: comedi: fix a race between do_cmd_ioctl() and read/write
[linux/fpc-iii.git] / arch / arm / mach-shmobile / setup-sh7377.c
blobd576a6abbade8338a33eb8e39d290e29d57e302d
1 /*
2 * sh7377 processor support
4 * Copyright (C) 2010 Magnus Damm
5 * Copyright (C) 2008 Yoshihiro Shimoda
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include <linux/kernel.h>
21 #include <linux/init.h>
22 #include <linux/interrupt.h>
23 #include <linux/irq.h>
24 #include <linux/platform_device.h>
25 #include <linux/uio_driver.h>
26 #include <linux/delay.h>
27 #include <linux/input.h>
28 #include <linux/io.h>
29 #include <linux/serial_sci.h>
30 #include <linux/sh_intc.h>
31 #include <linux/sh_timer.h>
32 #include <mach/hardware.h>
33 #include <mach/common.h>
34 #include <asm/mach/map.h>
35 #include <mach/irqs.h>
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/time.h>
40 static struct map_desc sh7377_io_desc[] __initdata = {
41 /* create a 1:1 entity map for 0xe6xxxxxx
42 * used by CPGA, INTC and PFC.
45 .virtual = 0xe6000000,
46 .pfn = __phys_to_pfn(0xe6000000),
47 .length = 256 << 20,
48 .type = MT_DEVICE_NONSHARED
52 void __init sh7377_map_io(void)
54 iotable_init(sh7377_io_desc, ARRAY_SIZE(sh7377_io_desc));
57 /* SCIFA0 */
58 static struct plat_sci_port scif0_platform_data = {
59 .mapbase = 0xe6c40000,
60 .flags = UPF_BOOT_AUTOCONF,
61 .scscr = SCSCR_RE | SCSCR_TE,
62 .scbrr_algo_id = SCBRR_ALGO_4,
63 .type = PORT_SCIFA,
64 .irqs = { evt2irq(0xc00), evt2irq(0xc00),
65 evt2irq(0xc00), evt2irq(0xc00) },
68 static struct platform_device scif0_device = {
69 .name = "sh-sci",
70 .id = 0,
71 .dev = {
72 .platform_data = &scif0_platform_data,
76 /* SCIFA1 */
77 static struct plat_sci_port scif1_platform_data = {
78 .mapbase = 0xe6c50000,
79 .flags = UPF_BOOT_AUTOCONF,
80 .scscr = SCSCR_RE | SCSCR_TE,
81 .scbrr_algo_id = SCBRR_ALGO_4,
82 .type = PORT_SCIFA,
83 .irqs = { evt2irq(0xc20), evt2irq(0xc20),
84 evt2irq(0xc20), evt2irq(0xc20) },
87 static struct platform_device scif1_device = {
88 .name = "sh-sci",
89 .id = 1,
90 .dev = {
91 .platform_data = &scif1_platform_data,
95 /* SCIFA2 */
96 static struct plat_sci_port scif2_platform_data = {
97 .mapbase = 0xe6c60000,
98 .flags = UPF_BOOT_AUTOCONF,
99 .scscr = SCSCR_RE | SCSCR_TE,
100 .scbrr_algo_id = SCBRR_ALGO_4,
101 .type = PORT_SCIFA,
102 .irqs = { evt2irq(0xc40), evt2irq(0xc40),
103 evt2irq(0xc40), evt2irq(0xc40) },
106 static struct platform_device scif2_device = {
107 .name = "sh-sci",
108 .id = 2,
109 .dev = {
110 .platform_data = &scif2_platform_data,
114 /* SCIFA3 */
115 static struct plat_sci_port scif3_platform_data = {
116 .mapbase = 0xe6c70000,
117 .flags = UPF_BOOT_AUTOCONF,
118 .scscr = SCSCR_RE | SCSCR_TE,
119 .scbrr_algo_id = SCBRR_ALGO_4,
120 .type = PORT_SCIFA,
121 .irqs = { evt2irq(0xc60), evt2irq(0xc60),
122 evt2irq(0xc60), evt2irq(0xc60) },
125 static struct platform_device scif3_device = {
126 .name = "sh-sci",
127 .id = 3,
128 .dev = {
129 .platform_data = &scif3_platform_data,
133 /* SCIFA4 */
134 static struct plat_sci_port scif4_platform_data = {
135 .mapbase = 0xe6c80000,
136 .flags = UPF_BOOT_AUTOCONF,
137 .scscr = SCSCR_RE | SCSCR_TE,
138 .scbrr_algo_id = SCBRR_ALGO_4,
139 .type = PORT_SCIFA,
140 .irqs = { evt2irq(0xd20), evt2irq(0xd20),
141 evt2irq(0xd20), evt2irq(0xd20) },
144 static struct platform_device scif4_device = {
145 .name = "sh-sci",
146 .id = 4,
147 .dev = {
148 .platform_data = &scif4_platform_data,
152 /* SCIFA5 */
153 static struct plat_sci_port scif5_platform_data = {
154 .mapbase = 0xe6cb0000,
155 .flags = UPF_BOOT_AUTOCONF,
156 .scscr = SCSCR_RE | SCSCR_TE,
157 .scbrr_algo_id = SCBRR_ALGO_4,
158 .type = PORT_SCIFA,
159 .irqs = { evt2irq(0xd40), evt2irq(0xd40),
160 evt2irq(0xd40), evt2irq(0xd40) },
163 static struct platform_device scif5_device = {
164 .name = "sh-sci",
165 .id = 5,
166 .dev = {
167 .platform_data = &scif5_platform_data,
171 /* SCIFA6 */
172 static struct plat_sci_port scif6_platform_data = {
173 .mapbase = 0xe6cc0000,
174 .flags = UPF_BOOT_AUTOCONF,
175 .scscr = SCSCR_RE | SCSCR_TE,
176 .scbrr_algo_id = SCBRR_ALGO_4,
177 .type = PORT_SCIFA,
178 .irqs = { intcs_evt2irq(0x1a80), intcs_evt2irq(0x1a80),
179 intcs_evt2irq(0x1a80), intcs_evt2irq(0x1a80) },
182 static struct platform_device scif6_device = {
183 .name = "sh-sci",
184 .id = 6,
185 .dev = {
186 .platform_data = &scif6_platform_data,
190 /* SCIFB */
191 static struct plat_sci_port scif7_platform_data = {
192 .mapbase = 0xe6c30000,
193 .flags = UPF_BOOT_AUTOCONF,
194 .scscr = SCSCR_RE | SCSCR_TE,
195 .scbrr_algo_id = SCBRR_ALGO_4,
196 .type = PORT_SCIFB,
197 .irqs = { evt2irq(0xd60), evt2irq(0xd60),
198 evt2irq(0xd60), evt2irq(0xd60) },
201 static struct platform_device scif7_device = {
202 .name = "sh-sci",
203 .id = 7,
204 .dev = {
205 .platform_data = &scif7_platform_data,
209 static struct sh_timer_config cmt10_platform_data = {
210 .name = "CMT10",
211 .channel_offset = 0x10,
212 .timer_bit = 0,
213 .clockevent_rating = 125,
214 .clocksource_rating = 125,
217 static struct resource cmt10_resources[] = {
218 [0] = {
219 .name = "CMT10",
220 .start = 0xe6138010,
221 .end = 0xe613801b,
222 .flags = IORESOURCE_MEM,
224 [1] = {
225 .start = evt2irq(0xb00), /* CMT1_CMT10 */
226 .flags = IORESOURCE_IRQ,
230 static struct platform_device cmt10_device = {
231 .name = "sh_cmt",
232 .id = 10,
233 .dev = {
234 .platform_data = &cmt10_platform_data,
236 .resource = cmt10_resources,
237 .num_resources = ARRAY_SIZE(cmt10_resources),
240 /* VPU */
241 static struct uio_info vpu_platform_data = {
242 .name = "VPU5HG",
243 .version = "0",
244 .irq = intcs_evt2irq(0x980),
247 static struct resource vpu_resources[] = {
248 [0] = {
249 .name = "VPU",
250 .start = 0xfe900000,
251 .end = 0xfe900157,
252 .flags = IORESOURCE_MEM,
256 static struct platform_device vpu_device = {
257 .name = "uio_pdrv_genirq",
258 .id = 0,
259 .dev = {
260 .platform_data = &vpu_platform_data,
262 .resource = vpu_resources,
263 .num_resources = ARRAY_SIZE(vpu_resources),
266 /* VEU0 */
267 static struct uio_info veu0_platform_data = {
268 .name = "VEU0",
269 .version = "0",
270 .irq = intcs_evt2irq(0x700),
273 static struct resource veu0_resources[] = {
274 [0] = {
275 .name = "VEU0",
276 .start = 0xfe920000,
277 .end = 0xfe9200cb,
278 .flags = IORESOURCE_MEM,
282 static struct platform_device veu0_device = {
283 .name = "uio_pdrv_genirq",
284 .id = 1,
285 .dev = {
286 .platform_data = &veu0_platform_data,
288 .resource = veu0_resources,
289 .num_resources = ARRAY_SIZE(veu0_resources),
292 /* VEU1 */
293 static struct uio_info veu1_platform_data = {
294 .name = "VEU1",
295 .version = "0",
296 .irq = intcs_evt2irq(0x720),
299 static struct resource veu1_resources[] = {
300 [0] = {
301 .name = "VEU1",
302 .start = 0xfe924000,
303 .end = 0xfe9240cb,
304 .flags = IORESOURCE_MEM,
308 static struct platform_device veu1_device = {
309 .name = "uio_pdrv_genirq",
310 .id = 2,
311 .dev = {
312 .platform_data = &veu1_platform_data,
314 .resource = veu1_resources,
315 .num_resources = ARRAY_SIZE(veu1_resources),
318 /* VEU2 */
319 static struct uio_info veu2_platform_data = {
320 .name = "VEU2",
321 .version = "0",
322 .irq = intcs_evt2irq(0x740),
325 static struct resource veu2_resources[] = {
326 [0] = {
327 .name = "VEU2",
328 .start = 0xfe928000,
329 .end = 0xfe928307,
330 .flags = IORESOURCE_MEM,
334 static struct platform_device veu2_device = {
335 .name = "uio_pdrv_genirq",
336 .id = 3,
337 .dev = {
338 .platform_data = &veu2_platform_data,
340 .resource = veu2_resources,
341 .num_resources = ARRAY_SIZE(veu2_resources),
344 /* VEU3 */
345 static struct uio_info veu3_platform_data = {
346 .name = "VEU3",
347 .version = "0",
348 .irq = intcs_evt2irq(0x760),
351 static struct resource veu3_resources[] = {
352 [0] = {
353 .name = "VEU3",
354 .start = 0xfe92c000,
355 .end = 0xfe92c307,
356 .flags = IORESOURCE_MEM,
360 static struct platform_device veu3_device = {
361 .name = "uio_pdrv_genirq",
362 .id = 4,
363 .dev = {
364 .platform_data = &veu3_platform_data,
366 .resource = veu3_resources,
367 .num_resources = ARRAY_SIZE(veu3_resources),
370 /* JPU */
371 static struct uio_info jpu_platform_data = {
372 .name = "JPU",
373 .version = "0",
374 .irq = intcs_evt2irq(0x560),
377 static struct resource jpu_resources[] = {
378 [0] = {
379 .name = "JPU",
380 .start = 0xfe980000,
381 .end = 0xfe9902d3,
382 .flags = IORESOURCE_MEM,
386 static struct platform_device jpu_device = {
387 .name = "uio_pdrv_genirq",
388 .id = 5,
389 .dev = {
390 .platform_data = &jpu_platform_data,
392 .resource = jpu_resources,
393 .num_resources = ARRAY_SIZE(jpu_resources),
396 /* SPU2DSP0 */
397 static struct uio_info spu0_platform_data = {
398 .name = "SPU2DSP0",
399 .version = "0",
400 .irq = evt2irq(0x1800),
403 static struct resource spu0_resources[] = {
404 [0] = {
405 .name = "SPU2DSP0",
406 .start = 0xfe200000,
407 .end = 0xfe2fffff,
408 .flags = IORESOURCE_MEM,
412 static struct platform_device spu0_device = {
413 .name = "uio_pdrv_genirq",
414 .id = 6,
415 .dev = {
416 .platform_data = &spu0_platform_data,
418 .resource = spu0_resources,
419 .num_resources = ARRAY_SIZE(spu0_resources),
422 /* SPU2DSP1 */
423 static struct uio_info spu1_platform_data = {
424 .name = "SPU2DSP1",
425 .version = "0",
426 .irq = evt2irq(0x1820),
429 static struct resource spu1_resources[] = {
430 [0] = {
431 .name = "SPU2DSP1",
432 .start = 0xfe300000,
433 .end = 0xfe3fffff,
434 .flags = IORESOURCE_MEM,
438 static struct platform_device spu1_device = {
439 .name = "uio_pdrv_genirq",
440 .id = 7,
441 .dev = {
442 .platform_data = &spu1_platform_data,
444 .resource = spu1_resources,
445 .num_resources = ARRAY_SIZE(spu1_resources),
448 static struct platform_device *sh7377_early_devices[] __initdata = {
449 &scif0_device,
450 &scif1_device,
451 &scif2_device,
452 &scif3_device,
453 &scif4_device,
454 &scif5_device,
455 &scif6_device,
456 &scif7_device,
457 &cmt10_device,
460 static struct platform_device *sh7377_devices[] __initdata = {
461 &vpu_device,
462 &veu0_device,
463 &veu1_device,
464 &veu2_device,
465 &veu3_device,
466 &jpu_device,
467 &spu0_device,
468 &spu1_device,
471 void __init sh7377_add_standard_devices(void)
473 platform_add_devices(sh7377_early_devices,
474 ARRAY_SIZE(sh7377_early_devices));
476 platform_add_devices(sh7377_devices,
477 ARRAY_SIZE(sh7377_devices));
480 static void __init sh7377_earlytimer_init(void)
482 sh7377_clock_init();
483 shmobile_earlytimer_init();
486 #define SMSTPCR3 0xe615013c
487 #define SMSTPCR3_CMT1 (1 << 29)
489 void __init sh7377_add_early_devices(void)
491 /* enable clock to CMT1 */
492 __raw_writel(__raw_readl(SMSTPCR3) & ~SMSTPCR3_CMT1, SMSTPCR3);
494 early_platform_add_devices(sh7377_early_devices,
495 ARRAY_SIZE(sh7377_early_devices));
497 /* setup early console here as well */
498 shmobile_setup_console();
500 /* override timer setup with soc-specific code */
501 shmobile_timer.init = sh7377_earlytimer_init;