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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...
[linux-2.6-block.git] / arch / arm / mach-shmobile / setup-r8a7779.c
CommitLineData
f411fade
MD		 1/*
2 * r8a7779 processor support
3 *
dace48d0 4 * Copyright (C) 2011, 2013 Renesas Solutions Corp.
f411fade 5 * Copyright (C) 2011 Magnus Damm
dace48d0 6 * Copyright (C) 2013 Cogent Embedded, Inc.
f411fade
MD		 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>
10e8d4f6 25#include <linux/of_platform.h>
37a72d07 26#include <linux/platform_data/gpio-rcar.h>
f411fade
MD		 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>
a7b9837c 34#include <linux/dma-mapping.h>
f411fade 35#include <mach/hardware.h>
250a2723 36#include <mach/irqs.h>
f411fade 37#include <mach/r8a7779.h>
a662c082 38#include <mach/common.h>
f411fade
MD		 39#include <asm/mach-types.h>
40#include <asm/mach/arch.h>
df27a2d8 41#include <asm/mach/time.h>
3e353b87 42#include <asm/mach/map.h>
8bac13f5 43#include <asm/hardware/cache-l2x0.h>
3e353b87
MD		 44
45static 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
62void __init r8a7779_map_io(void)
63{
64 iotable_init(r8a7779_io_desc, ARRAY_SIZE(r8a7779_io_desc));
65}
f411fade 66
8b6edf36
LP		 67static struct resource r8a7779_pfc_resources[] = {
68 [0] = {
69 .start = 0xfffc0000,
70 .end = 0xfffc023b,
71 .flags = IORESOURCE_MEM,
72 },
8b6edf36
LP		 73};
74
75static 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
37a72d07
LP		 82#define R8A7779_GPIO(idx, npins) \
83static 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 \
95static 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 \
102static 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
112R8A7779_GPIO(0, 32);
113R8A7779_GPIO(1, 32);
114R8A7779_GPIO(2, 32);
115R8A7779_GPIO(3, 32);
116R8A7779_GPIO(4, 32);
117R8A7779_GPIO(5, 32);
118R8A7779_GPIO(6, 9);
119
120static 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
8b6edf36
LP		 131void __init r8a7779_pinmux_init(void)
132{
37a72d07
LP		 133 platform_add_devices(r8a7779_pinctrl_devices,
134 ARRAY_SIZE(r8a7779_pinctrl_devices));
8b6edf36
LP		 135}
136
f411fade
MD		 137static 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,
dbe95ad0 143 .irqs = SCIx_IRQ_MUXED(gic_iid(0x78)),
f411fade
MD		 144};
145
146static struct platform_device scif0_device = {
147 .name = "sh-sci",
148 .id = 0,
149 .dev = {
150 .platform_data = &scif0_platform_data,
151 },
152};
153
154static 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,
dbe95ad0 160 .irqs = SCIx_IRQ_MUXED(gic_iid(0x79)),
f411fade
MD		 161};
162
163static struct platform_device scif1_device = {
164 .name = "sh-sci",
165 .id = 1,
166 .dev = {
167 .platform_data = &scif1_platform_data,
168 },
169};
170
171static 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,
dbe95ad0 177 .irqs = SCIx_IRQ_MUXED(gic_iid(0x7a)),
f411fade
MD		 178};
179
180static struct platform_device scif2_device = {
181 .name = "sh-sci",
182 .id = 2,
183 .dev = {
184 .platform_data = &scif2_platform_data,
185 },
186};
187
188static 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,
dbe95ad0 194 .irqs = SCIx_IRQ_MUXED(gic_iid(0x7b)),
f411fade
MD		 195};
196
197static struct platform_device scif3_device = {
198 .name = "sh-sci",
199 .id = 3,
200 .dev = {
201 .platform_data = &scif3_platform_data,
202 },
203};
204
205static 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,
dbe95ad0 211 .irqs = SCIx_IRQ_MUXED(gic_iid(0x7c)),
f411fade
MD		 212};
213
214static struct platform_device scif4_device = {
215 .name = "sh-sci",
216 .id = 4,
217 .dev = {
218 .platform_data = &scif4_platform_data,
219 },
220};
221
222static 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,
dbe95ad0 228 .irqs = SCIx_IRQ_MUXED(gic_iid(0x7d)),
f411fade
MD		 229};
230
231static 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 */
240static struct sh_timer_config tmu00_platform_data = {
241 .name = "TMU00",
242 .channel_offset = 0x4,
243 .timer_bit = 0,
244 .clockevent_rating = 200,
245};
246
247static struct resource tmu00_resources[] = {
248 [0] = {
249 .name = "TMU00",
250 .start = 0xffd80008,
251 .end = 0xffd80013,
252 .flags = IORESOURCE_MEM,
253 },
254 [1] = {
dbe95ad0 255 .start = gic_iid(0x40),
f411fade
MD		 256 .flags = IORESOURCE_IRQ,
257 },
258};
259
260static 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
270static struct sh_timer_config tmu01_platform_data = {
271 .name = "TMU01",
272 .channel_offset = 0x10,
273 .timer_bit = 1,
274 .clocksource_rating = 200,
275};
276
277static struct resource tmu01_resources[] = {
278 [0] = {
279 .name = "TMU01",
280 .start = 0xffd80014,
281 .end = 0xffd8001f,
282 .flags = IORESOURCE_MEM,
283 },
284 [1] = {
dbe95ad0 285 .start = gic_iid(0x41),
f411fade
MD		 286 .flags = IORESOURCE_IRQ,
287 },
288};
289
290static 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
ccc2a27b
KM		 300/* I2C */
301static struct resource rcar_i2c0_res[] = {
302 {
303 .start = 0xffc70000,
304 .end = 0xffc70fff,
305 .flags = IORESOURCE_MEM,
306 }, {
dbe95ad0 307 .start = gic_iid(0x6f),
ccc2a27b
KM		 308 .flags = IORESOURCE_IRQ,
309 },
310};
311
312static 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
319static struct resource rcar_i2c1_res[] = {
320 {
321 .start = 0xffc71000,
322 .end = 0xffc71fff,
323 .flags = IORESOURCE_MEM,
324 }, {
dbe95ad0 325 .start = gic_iid(0x72),
ccc2a27b
KM		 326 .flags = IORESOURCE_IRQ,
327 },
328};
329
330static 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
337static struct resource rcar_i2c2_res[] = {
338 {
339 .start = 0xffc72000,
340 .end = 0xffc72fff,
341 .flags = IORESOURCE_MEM,
342 }, {
dbe95ad0 343 .start = gic_iid(0x70),
ccc2a27b
KM		 344 .flags = IORESOURCE_IRQ,
345 },
346};
347
348static 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
355static struct resource rcar_i2c3_res[] = {
356 {
357 .start = 0xffc73000,
358 .end = 0xffc73fff,
359 .flags = IORESOURCE_MEM,
360 }, {
dbe95ad0 361 .start = gic_iid(0x71),
ccc2a27b
KM		 362 .flags = IORESOURCE_IRQ,
363 },
364};
365
366static 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
a7b9837c
VB		 373static struct resource sata_resources[] = {
374 [0] = {
375 .name = "rcar-sata",
376 .start = 0xfc600000,
377 .end = 0xfc601fff,
378 .flags = IORESOURCE_MEM,
379 },
380 [1] = {
d60cd5f1 381 .start = gic_iid(0x84),
a7b9837c
VB		 382 .flags = IORESOURCE_IRQ,
383 },
384};
385
386static 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
dace48d0
SS		 397/* Ether */
398static 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
916ddc35 409static struct platform_device *r8a7779_devices_dt[] __initdata = {
f411fade
MD		 410 &scif0_device,
411 &scif1_device,
412 &scif2_device,
413 &scif3_device,
414 &scif4_device,
415 &scif5_device,
416 &tmu00_device,
417 &tmu01_device,
10e8d4f6
SH		 418};
419
e7921202 420static struct platform_device *r8a7779_late_devices[] __initdata = {
ccc2a27b
KM		 421 &i2c0_device,
422 &i2c1_device,
423 &i2c2_device,
424 &i2c3_device,
a7b9837c 425 &sata_device,
f411fade
MD		 426};
427
f411fade
MD		 428void __init r8a7779_add_standard_devices(void)
429{
8bac13f5
MD		 430#ifdef CONFIG_CACHE_L2X0
431 /* Early BRESP enable, Shared attribute override enable, 64K*16way */
ed7d132a 432 l2x0_init(IOMEM(0xf0100000), 0x40470000, 0x82000fff);
8bac13f5 433#endif
a662c082
MD		 434 r8a7779_pm_init();
435
45e5ca57 436 r8a7779_init_pm_domains();
a662c082 437
916ddc35
SH		 438 platform_add_devices(r8a7779_devices_dt,
439 ARRAY_SIZE(r8a7779_devices_dt));
e7921202
SH		 440 platform_add_devices(r8a7779_late_devices,
441 ARRAY_SIZE(r8a7779_late_devices));
f411fade
MD		 442}
443
dace48d0
SS		 444void __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
b759bd11
MD		 452/* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */
453void __init __weak r8a7779_register_twd(void) { }
454
6bb27d73 455void __init r8a7779_earlytimer_init(void)
df27a2d8
MD		 456{
457 r8a7779_clock_init();
458 shmobile_earlytimer_init();
b759bd11 459 r8a7779_register_twd();
df27a2d8
MD		 460}
461
f411fade
MD		 462void __init r8a7779_add_early_devices(void)
463{
916ddc35
SH		 464 early_platform_add_devices(r8a7779_devices_dt,
465 ARRAY_SIZE(r8a7779_devices_dt));
3e353b87
MD		 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 */
f411fade 482}
10e8d4f6
SH		 483
484#ifdef CONFIG_USE_OF
916ddc35 485void __init r8a7779_init_delay(void)
10e8d4f6
SH		 486{
487 shmobile_setup_delay(1000, 2, 4); /* Cortex-A9 @ 1000MHz */
10e8d4f6
SH		 488}
489
490static const struct of_dev_auxdata r8a7779_auxdata_lookup[] __initconst = {
491 {},
492};
493
494void __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
916ddc35
SH		 499 platform_add_devices(r8a7779_devices_dt,
500 ARRAY_SIZE(r8a7779_devices_dt));
10e8d4f6
SH		 501 of_platform_populate(NULL, of_default_bus_match_table,
502 r8a7779_auxdata_lookup, NULL);
503}
504
505static const char *r8a7779_compat_dt[] __initdata = {
506 "renesas,r8a7779",
507 NULL,
508};
509
abe0e14b 510DT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)")
10e8d4f6 511 .map_io = r8a7779_map_io,
916ddc35 512 .init_early = r8a7779_init_delay,
10e8d4f6
SH		 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,
518MACHINE_END
519#endif /* CONFIG_USE_OF */
Linux 6.x block layer and io_uring tree(s)