Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/cpupowerutils
[platform/kernel/linux-rpi.git] / arch / arm / mach-shmobile / setup-sh7367.c
1 /*
2  * sh7367 processor support
3  *
4  * Copyright (C) 2010  Magnus Damm
5  * Copyright (C) 2008  Yoshihiro Shimoda
6  *
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.
10  *
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.
15  *
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
19  */
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_timer.h>
31 #include <mach/hardware.h>
32 #include <mach/common.h>
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/map.h>
36 #include <asm/mach/time.h>
37
38 static struct map_desc sh7367_io_desc[] __initdata = {
39         /* create a 1:1 entity map for 0xe6xxxxxx
40          * used by CPGA, INTC and PFC.
41          */
42         {
43                 .virtual        = 0xe6000000,
44                 .pfn            = __phys_to_pfn(0xe6000000),
45                 .length         = 256 << 20,
46                 .type           = MT_DEVICE_NONSHARED
47         },
48 };
49
50 void __init sh7367_map_io(void)
51 {
52         iotable_init(sh7367_io_desc, ARRAY_SIZE(sh7367_io_desc));
53 }
54
55 /* SCIFA0 */
56 static struct plat_sci_port scif0_platform_data = {
57         .mapbase        = 0xe6c40000,
58         .flags          = UPF_BOOT_AUTOCONF,
59         .scscr          = SCSCR_RE | SCSCR_TE,
60         .scbrr_algo_id  = SCBRR_ALGO_4,
61         .type           = PORT_SCIFA,
62         .irqs           = { evt2irq(0xc00), evt2irq(0xc00),
63                             evt2irq(0xc00), evt2irq(0xc00) },
64 };
65
66 static struct platform_device scif0_device = {
67         .name           = "sh-sci",
68         .id             = 0,
69         .dev            = {
70                 .platform_data  = &scif0_platform_data,
71         },
72 };
73
74 /* SCIFA1 */
75 static struct plat_sci_port scif1_platform_data = {
76         .mapbase        = 0xe6c50000,
77         .flags          = UPF_BOOT_AUTOCONF,
78         .scscr          = SCSCR_RE | SCSCR_TE,
79         .scbrr_algo_id  = SCBRR_ALGO_4,
80         .type           = PORT_SCIFA,
81         .irqs           = { evt2irq(0xc20), evt2irq(0xc20),
82                             evt2irq(0xc20), evt2irq(0xc20) },
83 };
84
85 static struct platform_device scif1_device = {
86         .name           = "sh-sci",
87         .id             = 1,
88         .dev            = {
89                 .platform_data  = &scif1_platform_data,
90         },
91 };
92
93 /* SCIFA2 */
94 static struct plat_sci_port scif2_platform_data = {
95         .mapbase        = 0xe6c60000,
96         .flags          = UPF_BOOT_AUTOCONF,
97         .scscr          = SCSCR_RE | SCSCR_TE,
98         .scbrr_algo_id  = SCBRR_ALGO_4,
99         .type           = PORT_SCIFA,
100         .irqs           = { evt2irq(0xc40), evt2irq(0xc40),
101                             evt2irq(0xc40), evt2irq(0xc40) },
102 };
103
104 static struct platform_device scif2_device = {
105         .name           = "sh-sci",
106         .id             = 2,
107         .dev            = {
108                 .platform_data  = &scif2_platform_data,
109         },
110 };
111
112 /* SCIFA3 */
113 static struct plat_sci_port scif3_platform_data = {
114         .mapbase        = 0xe6c70000,
115         .flags          = UPF_BOOT_AUTOCONF,
116         .scscr          = SCSCR_RE | SCSCR_TE,
117         .scbrr_algo_id  = SCBRR_ALGO_4,
118         .type           = PORT_SCIFA,
119         .irqs           = { evt2irq(0xc60), evt2irq(0xc60),
120                             evt2irq(0xc60), evt2irq(0xc60) },
121 };
122
123 static struct platform_device scif3_device = {
124         .name           = "sh-sci",
125         .id             = 3,
126         .dev            = {
127                 .platform_data  = &scif3_platform_data,
128         },
129 };
130
131 /* SCIFA4 */
132 static struct plat_sci_port scif4_platform_data = {
133         .mapbase        = 0xe6c80000,
134         .flags          = UPF_BOOT_AUTOCONF,
135         .scscr          = SCSCR_RE | SCSCR_TE,
136         .scbrr_algo_id  = SCBRR_ALGO_4,
137         .type           = PORT_SCIFA,
138         .irqs           = { evt2irq(0xd20), evt2irq(0xd20),
139                             evt2irq(0xd20), evt2irq(0xd20) },
140 };
141
142 static struct platform_device scif4_device = {
143         .name           = "sh-sci",
144         .id             = 4,
145         .dev            = {
146                 .platform_data  = &scif4_platform_data,
147         },
148 };
149
150 /* SCIFA5 */
151 static struct plat_sci_port scif5_platform_data = {
152         .mapbase        = 0xe6cb0000,
153         .flags          = UPF_BOOT_AUTOCONF,
154         .scscr          = SCSCR_RE | SCSCR_TE,
155         .scbrr_algo_id  = SCBRR_ALGO_4,
156         .type           = PORT_SCIFA,
157         .irqs           = { evt2irq(0xd40), evt2irq(0xd40),
158                             evt2irq(0xd40), evt2irq(0xd40) },
159 };
160
161 static struct platform_device scif5_device = {
162         .name           = "sh-sci",
163         .id             = 5,
164         .dev            = {
165                 .platform_data  = &scif5_platform_data,
166         },
167 };
168
169 /* SCIFB */
170 static struct plat_sci_port scif6_platform_data = {
171         .mapbase        = 0xe6c30000,
172         .flags          = UPF_BOOT_AUTOCONF,
173         .scscr          = SCSCR_RE | SCSCR_TE,
174         .scbrr_algo_id  = SCBRR_ALGO_4,
175         .type           = PORT_SCIFB,
176         .irqs           = { evt2irq(0xd60), evt2irq(0xd60),
177                             evt2irq(0xd60), evt2irq(0xd60) },
178 };
179
180 static struct platform_device scif6_device = {
181         .name           = "sh-sci",
182         .id             = 6,
183         .dev            = {
184                 .platform_data  = &scif6_platform_data,
185         },
186 };
187
188 static struct sh_timer_config cmt10_platform_data = {
189         .name = "CMT10",
190         .channel_offset = 0x10,
191         .timer_bit = 0,
192         .clockevent_rating = 125,
193         .clocksource_rating = 125,
194 };
195
196 static struct resource cmt10_resources[] = {
197         [0] = {
198                 .name   = "CMT10",
199                 .start  = 0xe6138010,
200                 .end    = 0xe613801b,
201                 .flags  = IORESOURCE_MEM,
202         },
203         [1] = {
204                 .start  = evt2irq(0xb00), /* CMT1_CMT10 */
205                 .flags  = IORESOURCE_IRQ,
206         },
207 };
208
209 static struct platform_device cmt10_device = {
210         .name           = "sh_cmt",
211         .id             = 10,
212         .dev = {
213                 .platform_data  = &cmt10_platform_data,
214         },
215         .resource       = cmt10_resources,
216         .num_resources  = ARRAY_SIZE(cmt10_resources),
217 };
218
219 /* VPU */
220 static struct uio_info vpu_platform_data = {
221         .name = "VPU5",
222         .version = "0",
223         .irq = intcs_evt2irq(0x980),
224 };
225
226 static struct resource vpu_resources[] = {
227         [0] = {
228                 .name   = "VPU",
229                 .start  = 0xfe900000,
230                 .end    = 0xfe902807,
231                 .flags  = IORESOURCE_MEM,
232         },
233 };
234
235 static struct platform_device vpu_device = {
236         .name           = "uio_pdrv_genirq",
237         .id             = 0,
238         .dev = {
239                 .platform_data  = &vpu_platform_data,
240         },
241         .resource       = vpu_resources,
242         .num_resources  = ARRAY_SIZE(vpu_resources),
243 };
244
245 /* VEU0 */
246 static struct uio_info veu0_platform_data = {
247         .name = "VEU0",
248         .version = "0",
249         .irq = intcs_evt2irq(0x700),
250 };
251
252 static struct resource veu0_resources[] = {
253         [0] = {
254                 .name   = "VEU0",
255                 .start  = 0xfe920000,
256                 .end    = 0xfe9200b7,
257                 .flags  = IORESOURCE_MEM,
258         },
259 };
260
261 static struct platform_device veu0_device = {
262         .name           = "uio_pdrv_genirq",
263         .id             = 1,
264         .dev = {
265                 .platform_data  = &veu0_platform_data,
266         },
267         .resource       = veu0_resources,
268         .num_resources  = ARRAY_SIZE(veu0_resources),
269 };
270
271 /* VEU1 */
272 static struct uio_info veu1_platform_data = {
273         .name = "VEU1",
274         .version = "0",
275         .irq = intcs_evt2irq(0x720),
276 };
277
278 static struct resource veu1_resources[] = {
279         [0] = {
280                 .name   = "VEU1",
281                 .start  = 0xfe924000,
282                 .end    = 0xfe9240b7,
283                 .flags  = IORESOURCE_MEM,
284         },
285 };
286
287 static struct platform_device veu1_device = {
288         .name           = "uio_pdrv_genirq",
289         .id             = 2,
290         .dev = {
291                 .platform_data  = &veu1_platform_data,
292         },
293         .resource       = veu1_resources,
294         .num_resources  = ARRAY_SIZE(veu1_resources),
295 };
296
297 /* VEU2 */
298 static struct uio_info veu2_platform_data = {
299         .name = "VEU2",
300         .version = "0",
301         .irq = intcs_evt2irq(0x740),
302 };
303
304 static struct resource veu2_resources[] = {
305         [0] = {
306                 .name   = "VEU2",
307                 .start  = 0xfe928000,
308                 .end    = 0xfe9280b7,
309                 .flags  = IORESOURCE_MEM,
310         },
311 };
312
313 static struct platform_device veu2_device = {
314         .name           = "uio_pdrv_genirq",
315         .id             = 3,
316         .dev = {
317                 .platform_data  = &veu2_platform_data,
318         },
319         .resource       = veu2_resources,
320         .num_resources  = ARRAY_SIZE(veu2_resources),
321 };
322
323 /* VEU3 */
324 static struct uio_info veu3_platform_data = {
325         .name = "VEU3",
326         .version = "0",
327         .irq = intcs_evt2irq(0x760),
328 };
329
330 static struct resource veu3_resources[] = {
331         [0] = {
332                 .name   = "VEU3",
333                 .start  = 0xfe92c000,
334                 .end    = 0xfe92c0b7,
335                 .flags  = IORESOURCE_MEM,
336         },
337 };
338
339 static struct platform_device veu3_device = {
340         .name           = "uio_pdrv_genirq",
341         .id             = 4,
342         .dev = {
343                 .platform_data  = &veu3_platform_data,
344         },
345         .resource       = veu3_resources,
346         .num_resources  = ARRAY_SIZE(veu3_resources),
347 };
348
349 /* VEU2H */
350 static struct uio_info veu2h_platform_data = {
351         .name = "VEU2H",
352         .version = "0",
353         .irq = intcs_evt2irq(0x520),
354 };
355
356 static struct resource veu2h_resources[] = {
357         [0] = {
358                 .name   = "VEU2H",
359                 .start  = 0xfe93c000,
360                 .end    = 0xfe93c27b,
361                 .flags  = IORESOURCE_MEM,
362         },
363 };
364
365 static struct platform_device veu2h_device = {
366         .name           = "uio_pdrv_genirq",
367         .id             = 5,
368         .dev = {
369                 .platform_data  = &veu2h_platform_data,
370         },
371         .resource       = veu2h_resources,
372         .num_resources  = ARRAY_SIZE(veu2h_resources),
373 };
374
375 /* JPU */
376 static struct uio_info jpu_platform_data = {
377         .name = "JPU",
378         .version = "0",
379         .irq = intcs_evt2irq(0x560),
380 };
381
382 static struct resource jpu_resources[] = {
383         [0] = {
384                 .name   = "JPU",
385                 .start  = 0xfe980000,
386                 .end    = 0xfe9902d3,
387                 .flags  = IORESOURCE_MEM,
388         },
389 };
390
391 static struct platform_device jpu_device = {
392         .name           = "uio_pdrv_genirq",
393         .id             = 6,
394         .dev = {
395                 .platform_data  = &jpu_platform_data,
396         },
397         .resource       = jpu_resources,
398         .num_resources  = ARRAY_SIZE(jpu_resources),
399 };
400
401 /* SPU1 */
402 static struct uio_info spu1_platform_data = {
403         .name = "SPU1",
404         .version = "0",
405         .irq = evt2irq(0xfc0),
406 };
407
408 static struct resource spu1_resources[] = {
409         [0] = {
410                 .name   = "SPU1",
411                 .start  = 0xfe300000,
412                 .end    = 0xfe3fffff,
413                 .flags  = IORESOURCE_MEM,
414         },
415 };
416
417 static struct platform_device spu1_device = {
418         .name           = "uio_pdrv_genirq",
419         .id             = 7,
420         .dev = {
421                 .platform_data  = &spu1_platform_data,
422         },
423         .resource       = spu1_resources,
424         .num_resources  = ARRAY_SIZE(spu1_resources),
425 };
426
427 static struct platform_device *sh7367_early_devices[] __initdata = {
428         &scif0_device,
429         &scif1_device,
430         &scif2_device,
431         &scif3_device,
432         &scif4_device,
433         &scif5_device,
434         &scif6_device,
435         &cmt10_device,
436 };
437
438 static struct platform_device *sh7367_devices[] __initdata = {
439         &vpu_device,
440         &veu0_device,
441         &veu1_device,
442         &veu2_device,
443         &veu3_device,
444         &veu2h_device,
445         &jpu_device,
446         &spu1_device,
447 };
448
449 void __init sh7367_add_standard_devices(void)
450 {
451         platform_add_devices(sh7367_early_devices,
452                              ARRAY_SIZE(sh7367_early_devices));
453
454         platform_add_devices(sh7367_devices,
455                             ARRAY_SIZE(sh7367_devices));
456 }
457
458 static void __init sh7367_earlytimer_init(void)
459 {
460         sh7367_clock_init();
461         shmobile_earlytimer_init();
462 }
463
464 #define SYMSTPCR2 0xe6158048
465 #define SYMSTPCR2_CMT1 (1 << 29)
466
467 void __init sh7367_add_early_devices(void)
468 {
469         /* enable clock to CMT1 */
470         __raw_writel(__raw_readl(SYMSTPCR2) & ~SYMSTPCR2_CMT1, SYMSTPCR2);
471
472         early_platform_add_devices(sh7367_early_devices,
473                                    ARRAY_SIZE(sh7367_early_devices));
474
475         /* setup early console here as well */
476         shmobile_setup_console();
477
478         /* override timer setup with soc-specific code */
479         shmobile_timer.init = sh7367_earlytimer_init;
480 }