tizen 2.4 release
[profile/mobile/platform/kernel/linux-3.10-sc7730.git] / arch / arm / mach-shmobile / setup-r8a7779.c
1 /*
2  * r8a7779 processor support
3  *
4  * Copyright (C) 2011, 2013  Renesas Solutions Corp.
5  * Copyright (C) 2011  Magnus Damm
6  * Copyright (C) 2013  Cogent Embedded, Inc.
7  *
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; version 2 of the License.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
20  */
21 #include <linux/kernel.h>
22 #include <linux/init.h>
23 #include <linux/interrupt.h>
24 #include <linux/irq.h>
25 #include <linux/of_platform.h>
26 #include <linux/platform_data/gpio-rcar.h>
27 #include <linux/platform_device.h>
28 #include <linux/delay.h>
29 #include <linux/input.h>
30 #include <linux/io.h>
31 #include <linux/serial_sci.h>
32 #include <linux/sh_intc.h>
33 #include <linux/sh_timer.h>
34 #include <linux/dma-mapping.h>
35 #include <mach/hardware.h>
36 #include <mach/irqs.h>
37 #include <mach/r8a7779.h>
38 #include <mach/common.h>
39 #include <asm/mach-types.h>
40 #include <asm/mach/arch.h>
41 #include <asm/mach/time.h>
42 #include <asm/mach/map.h>
43 #include <asm/hardware/cache-l2x0.h>
44
45 static struct map_desc r8a7779_io_desc[] __initdata = {
46         /* 2M entity map for 0xf0000000 (MPCORE) */
47         {
48                 .virtual        = 0xf0000000,
49                 .pfn            = __phys_to_pfn(0xf0000000),
50                 .length         = SZ_2M,
51                 .type           = MT_DEVICE_NONSHARED
52         },
53         /* 16M entity map for 0xfexxxxxx (DMAC-S/HPBREG/INTC2/LRAM/DBSC) */
54         {
55                 .virtual        = 0xfe000000,
56                 .pfn            = __phys_to_pfn(0xfe000000),
57                 .length         = SZ_16M,
58                 .type           = MT_DEVICE_NONSHARED
59         },
60 };
61
62 void __init r8a7779_map_io(void)
63 {
64         iotable_init(r8a7779_io_desc, ARRAY_SIZE(r8a7779_io_desc));
65 }
66
67 static struct resource r8a7779_pfc_resources[] = {
68         [0] = {
69                 .start  = 0xfffc0000,
70                 .end    = 0xfffc023b,
71                 .flags  = IORESOURCE_MEM,
72         },
73 };
74
75 static struct platform_device r8a7779_pfc_device = {
76         .name           = "pfc-r8a7779",
77         .id             = -1,
78         .resource       = r8a7779_pfc_resources,
79         .num_resources  = ARRAY_SIZE(r8a7779_pfc_resources),
80 };
81
82 #define R8A7779_GPIO(idx, npins) \
83 static struct resource r8a7779_gpio##idx##_resources[] = {              \
84         [0] = {                                                         \
85                 .start  = 0xffc40000 + 0x1000 * (idx),                  \
86                 .end    = 0xffc4002b + 0x1000 * (idx),                  \
87                 .flags  = IORESOURCE_MEM,                               \
88         },                                                              \
89         [1] = {                                                         \
90                 .start  = gic_iid(0xad + (idx)),                        \
91                 .flags  = IORESOURCE_IRQ,                               \
92         }                                                               \
93 };                                                                      \
94                                                                         \
95 static struct gpio_rcar_config r8a7779_gpio##idx##_platform_data = {    \
96         .gpio_base      = 32 * (idx),                                   \
97         .irq_base       = 0,                                            \
98         .number_of_pins = npins,                                        \
99         .pctl_name      = "pfc-r8a7779",                                \
100 };                                                                      \
101                                                                         \
102 static struct platform_device r8a7779_gpio##idx##_device = {            \
103         .name           = "gpio_rcar",                                  \
104         .id             = idx,                                          \
105         .resource       = r8a7779_gpio##idx##_resources,                \
106         .num_resources  = ARRAY_SIZE(r8a7779_gpio##idx##_resources),    \
107         .dev            = {                                             \
108                 .platform_data  = &r8a7779_gpio##idx##_platform_data,   \
109         },                                                              \
110 }
111
112 R8A7779_GPIO(0, 32);
113 R8A7779_GPIO(1, 32);
114 R8A7779_GPIO(2, 32);
115 R8A7779_GPIO(3, 32);
116 R8A7779_GPIO(4, 32);
117 R8A7779_GPIO(5, 32);
118 R8A7779_GPIO(6, 9);
119
120 static struct platform_device *r8a7779_pinctrl_devices[] __initdata = {
121         &r8a7779_pfc_device,
122         &r8a7779_gpio0_device,
123         &r8a7779_gpio1_device,
124         &r8a7779_gpio2_device,
125         &r8a7779_gpio3_device,
126         &r8a7779_gpio4_device,
127         &r8a7779_gpio5_device,
128         &r8a7779_gpio6_device,
129 };
130
131 void __init r8a7779_pinmux_init(void)
132 {
133         platform_add_devices(r8a7779_pinctrl_devices,
134                             ARRAY_SIZE(r8a7779_pinctrl_devices));
135 }
136
137 static struct plat_sci_port scif0_platform_data = {
138         .mapbase        = 0xffe40000,
139         .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
140         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
141         .scbrr_algo_id  = SCBRR_ALGO_2,
142         .type           = PORT_SCIF,
143         .irqs           = SCIx_IRQ_MUXED(gic_iid(0x78)),
144 };
145
146 static struct platform_device scif0_device = {
147         .name           = "sh-sci",
148         .id             = 0,
149         .dev            = {
150                 .platform_data  = &scif0_platform_data,
151         },
152 };
153
154 static struct plat_sci_port scif1_platform_data = {
155         .mapbase        = 0xffe41000,
156         .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
157         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
158         .scbrr_algo_id  = SCBRR_ALGO_2,
159         .type           = PORT_SCIF,
160         .irqs           = SCIx_IRQ_MUXED(gic_iid(0x79)),
161 };
162
163 static struct platform_device scif1_device = {
164         .name           = "sh-sci",
165         .id             = 1,
166         .dev            = {
167                 .platform_data  = &scif1_platform_data,
168         },
169 };
170
171 static struct plat_sci_port scif2_platform_data = {
172         .mapbase        = 0xffe42000,
173         .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
174         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
175         .scbrr_algo_id  = SCBRR_ALGO_2,
176         .type           = PORT_SCIF,
177         .irqs           = SCIx_IRQ_MUXED(gic_iid(0x7a)),
178 };
179
180 static struct platform_device scif2_device = {
181         .name           = "sh-sci",
182         .id             = 2,
183         .dev            = {
184                 .platform_data  = &scif2_platform_data,
185         },
186 };
187
188 static struct plat_sci_port scif3_platform_data = {
189         .mapbase        = 0xffe43000,
190         .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
191         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
192         .scbrr_algo_id  = SCBRR_ALGO_2,
193         .type           = PORT_SCIF,
194         .irqs           = SCIx_IRQ_MUXED(gic_iid(0x7b)),
195 };
196
197 static struct platform_device scif3_device = {
198         .name           = "sh-sci",
199         .id             = 3,
200         .dev            = {
201                 .platform_data  = &scif3_platform_data,
202         },
203 };
204
205 static struct plat_sci_port scif4_platform_data = {
206         .mapbase        = 0xffe44000,
207         .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
208         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
209         .scbrr_algo_id  = SCBRR_ALGO_2,
210         .type           = PORT_SCIF,
211         .irqs           = SCIx_IRQ_MUXED(gic_iid(0x7c)),
212 };
213
214 static struct platform_device scif4_device = {
215         .name           = "sh-sci",
216         .id             = 4,
217         .dev            = {
218                 .platform_data  = &scif4_platform_data,
219         },
220 };
221
222 static struct plat_sci_port scif5_platform_data = {
223         .mapbase        = 0xffe45000,
224         .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
225         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,
226         .scbrr_algo_id  = SCBRR_ALGO_2,
227         .type           = PORT_SCIF,
228         .irqs           = SCIx_IRQ_MUXED(gic_iid(0x7d)),
229 };
230
231 static struct platform_device scif5_device = {
232         .name           = "sh-sci",
233         .id             = 5,
234         .dev            = {
235                 .platform_data  = &scif5_platform_data,
236         },
237 };
238
239 /* TMU */
240 static struct sh_timer_config tmu00_platform_data = {
241         .name = "TMU00",
242         .channel_offset = 0x4,
243         .timer_bit = 0,
244         .clockevent_rating = 200,
245 };
246
247 static struct resource tmu00_resources[] = {
248         [0] = {
249                 .name   = "TMU00",
250                 .start  = 0xffd80008,
251                 .end    = 0xffd80013,
252                 .flags  = IORESOURCE_MEM,
253         },
254         [1] = {
255                 .start  = gic_iid(0x40),
256                 .flags  = IORESOURCE_IRQ,
257         },
258 };
259
260 static struct platform_device tmu00_device = {
261         .name           = "sh_tmu",
262         .id             = 0,
263         .dev = {
264                 .platform_data  = &tmu00_platform_data,
265         },
266         .resource       = tmu00_resources,
267         .num_resources  = ARRAY_SIZE(tmu00_resources),
268 };
269
270 static struct sh_timer_config tmu01_platform_data = {
271         .name = "TMU01",
272         .channel_offset = 0x10,
273         .timer_bit = 1,
274         .clocksource_rating = 200,
275 };
276
277 static struct resource tmu01_resources[] = {
278         [0] = {
279                 .name   = "TMU01",
280                 .start  = 0xffd80014,
281                 .end    = 0xffd8001f,
282                 .flags  = IORESOURCE_MEM,
283         },
284         [1] = {
285                 .start  = gic_iid(0x41),
286                 .flags  = IORESOURCE_IRQ,
287         },
288 };
289
290 static struct platform_device tmu01_device = {
291         .name           = "sh_tmu",
292         .id             = 1,
293         .dev = {
294                 .platform_data  = &tmu01_platform_data,
295         },
296         .resource       = tmu01_resources,
297         .num_resources  = ARRAY_SIZE(tmu01_resources),
298 };
299
300 /* I2C */
301 static struct resource rcar_i2c0_res[] = {
302         {
303                 .start  = 0xffc70000,
304                 .end    = 0xffc70fff,
305                 .flags  = IORESOURCE_MEM,
306         }, {
307                 .start  = gic_iid(0x6f),
308                 .flags  = IORESOURCE_IRQ,
309         },
310 };
311
312 static struct platform_device i2c0_device = {
313         .name           = "i2c-rcar",
314         .id             = 0,
315         .resource       = rcar_i2c0_res,
316         .num_resources  = ARRAY_SIZE(rcar_i2c0_res),
317 };
318
319 static struct resource rcar_i2c1_res[] = {
320         {
321                 .start  = 0xffc71000,
322                 .end    = 0xffc71fff,
323                 .flags  = IORESOURCE_MEM,
324         }, {
325                 .start  = gic_iid(0x72),
326                 .flags  = IORESOURCE_IRQ,
327         },
328 };
329
330 static struct platform_device i2c1_device = {
331         .name           = "i2c-rcar",
332         .id             = 1,
333         .resource       = rcar_i2c1_res,
334         .num_resources  = ARRAY_SIZE(rcar_i2c1_res),
335 };
336
337 static struct resource rcar_i2c2_res[] = {
338         {
339                 .start  = 0xffc72000,
340                 .end    = 0xffc72fff,
341                 .flags  = IORESOURCE_MEM,
342         }, {
343                 .start  = gic_iid(0x70),
344                 .flags  = IORESOURCE_IRQ,
345         },
346 };
347
348 static struct platform_device i2c2_device = {
349         .name           = "i2c-rcar",
350         .id             = 2,
351         .resource       = rcar_i2c2_res,
352         .num_resources  = ARRAY_SIZE(rcar_i2c2_res),
353 };
354
355 static struct resource rcar_i2c3_res[] = {
356         {
357                 .start  = 0xffc73000,
358                 .end    = 0xffc73fff,
359                 .flags  = IORESOURCE_MEM,
360         }, {
361                 .start  = gic_iid(0x71),
362                 .flags  = IORESOURCE_IRQ,
363         },
364 };
365
366 static struct platform_device i2c3_device = {
367         .name           = "i2c-rcar",
368         .id             = 3,
369         .resource       = rcar_i2c3_res,
370         .num_resources  = ARRAY_SIZE(rcar_i2c3_res),
371 };
372
373 static struct resource sata_resources[] = {
374         [0] = {
375                 .name   = "rcar-sata",
376                 .start  = 0xfc600000,
377                 .end    = 0xfc601fff,
378                 .flags  = IORESOURCE_MEM,
379         },
380         [1] = {
381                 .start  = gic_iid(0x84),
382                 .flags  = IORESOURCE_IRQ,
383         },
384 };
385
386 static struct platform_device sata_device = {
387         .name           = "sata_rcar",
388         .id             = -1,
389         .resource       = sata_resources,
390         .num_resources  = ARRAY_SIZE(sata_resources),
391         .dev            = {
392                 .dma_mask               = &sata_device.dev.coherent_dma_mask,
393                 .coherent_dma_mask      = DMA_BIT_MASK(32),
394         },
395 };
396
397 /* Ether */
398 static struct resource ether_resources[] = {
399         {
400                 .start  = 0xfde00000,
401                 .end    = 0xfde003ff,
402                 .flags  = IORESOURCE_MEM,
403         }, {
404                 .start  = gic_iid(0xb4),
405                 .flags  = IORESOURCE_IRQ,
406         },
407 };
408
409 static struct platform_device *r8a7779_devices_dt[] __initdata = {
410         &scif0_device,
411         &scif1_device,
412         &scif2_device,
413         &scif3_device,
414         &scif4_device,
415         &scif5_device,
416         &tmu00_device,
417         &tmu01_device,
418 };
419
420 static struct platform_device *r8a7779_late_devices[] __initdata = {
421         &i2c0_device,
422         &i2c1_device,
423         &i2c2_device,
424         &i2c3_device,
425         &sata_device,
426 };
427
428 void __init r8a7779_add_standard_devices(void)
429 {
430 #ifdef CONFIG_CACHE_L2X0
431         /* Early BRESP enable, Shared attribute override enable, 64K*16way */
432         l2x0_init(IOMEM(0xf0100000), 0x40470000, 0x82000fff);
433 #endif
434         r8a7779_pm_init();
435
436         r8a7779_init_pm_domains();
437
438         platform_add_devices(r8a7779_devices_dt,
439                             ARRAY_SIZE(r8a7779_devices_dt));
440         platform_add_devices(r8a7779_late_devices,
441                             ARRAY_SIZE(r8a7779_late_devices));
442 }
443
444 void __init r8a7779_add_ether_device(struct sh_eth_plat_data *pdata)
445 {
446         platform_device_register_resndata(&platform_bus, "sh_eth", -1,
447                                           ether_resources,
448                                           ARRAY_SIZE(ether_resources),
449                                           pdata, sizeof(*pdata));
450 }
451
452 /* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */
453 void __init __weak r8a7779_register_twd(void) { }
454
455 void __init r8a7779_earlytimer_init(void)
456 {
457         r8a7779_clock_init();
458         shmobile_earlytimer_init();
459         r8a7779_register_twd();
460 }
461
462 void __init r8a7779_add_early_devices(void)
463 {
464         early_platform_add_devices(r8a7779_devices_dt,
465                                    ARRAY_SIZE(r8a7779_devices_dt));
466
467         /* Early serial console setup is not included here due to
468          * memory map collisions. The SCIF serial ports in r8a7779
469          * are difficult to entity map 1:1 due to collision with the
470          * virtual memory range used by the coherent DMA code on ARM.
471          *
472          * Anyone wanting to debug early can remove UPF_IOREMAP from
473          * the sh-sci serial console platform data, adjust mapbase
474          * to a static M:N virt:phys mapping that needs to be added to
475          * the mappings passed with iotable_init() above.
476          *
477          * Then add a call to shmobile_setup_console() from this function.
478          *
479          * As a final step pass earlyprint=sh-sci.2,115200 on the kernel
480          * command line in case of the marzen board.
481          */
482 }
483
484 #ifdef CONFIG_USE_OF
485 void __init r8a7779_init_delay(void)
486 {
487         shmobile_setup_delay(1000, 2, 4); /* Cortex-A9 @ 1000MHz */
488 }
489
490 static const struct of_dev_auxdata r8a7779_auxdata_lookup[] __initconst = {
491         {},
492 };
493
494 void __init r8a7779_add_standard_devices_dt(void)
495 {
496         /* clocks are setup late during boot in the case of DT */
497         r8a7779_clock_init();
498
499         platform_add_devices(r8a7779_devices_dt,
500                              ARRAY_SIZE(r8a7779_devices_dt));
501         of_platform_populate(NULL, of_default_bus_match_table,
502                              r8a7779_auxdata_lookup, NULL);
503 }
504
505 static const char *r8a7779_compat_dt[] __initdata = {
506         "renesas,r8a7779",
507         NULL,
508 };
509
510 DT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)")
511         .map_io         = r8a7779_map_io,
512         .init_early     = r8a7779_init_delay,
513         .nr_irqs        = NR_IRQS_LEGACY,
514         .init_irq       = r8a7779_init_irq_dt,
515         .init_machine   = r8a7779_add_standard_devices_dt,
516         .init_time      = shmobile_timer_init,
517         .dt_compat      = r8a7779_compat_dt,
518 MACHINE_END
519 #endif /* CONFIG_USE_OF */