ARM: shmobile: r8a7779: Reference clocks
[deliverable/linux.git] / arch / arm / mach-shmobile / setup-r8a7779.c
CommitLineData
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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.
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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>
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25#include <linux/irqchip.h>
26#include <linux/irqchip/arm-gic.h>
10e8d4f6 27#include <linux/of_platform.h>
441f7502 28#include <linux/platform_data/dma-rcar-hpbdma.h>
37a72d07 29#include <linux/platform_data/gpio-rcar.h>
5b3859d7 30#include <linux/platform_data/irq-renesas-intc-irqpin.h>
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31#include <linux/platform_device.h>
32#include <linux/delay.h>
33#include <linux/input.h>
34#include <linux/io.h>
35#include <linux/serial_sci.h>
f411fade 36#include <linux/sh_timer.h>
a7b9837c 37#include <linux/dma-mapping.h>
2c8788bf 38#include <linux/usb/otg.h>
84a812da 39#include <linux/usb/hcd.h>
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40#include <linux/usb/ehci_pdriver.h>
41#include <linux/usb/ohci_pdriver.h>
42#include <linux/pm_runtime.h>
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43#include <mach/r8a7779.h>
44#include <asm/mach-types.h>
45#include <asm/mach/arch.h>
df27a2d8 46#include <asm/mach/time.h>
3e353b87 47#include <asm/mach/map.h>
8bac13f5 48#include <asm/hardware/cache-l2x0.h>
fd44aa5e 49#include "common.h"
b6bab126 50#include "irqs.h"
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51
52static struct map_desc r8a7779_io_desc[] __initdata = {
53 /* 2M entity map for 0xf0000000 (MPCORE) */
54 {
55 .virtual = 0xf0000000,
56 .pfn = __phys_to_pfn(0xf0000000),
57 .length = SZ_2M,
58 .type = MT_DEVICE_NONSHARED
59 },
60 /* 16M entity map for 0xfexxxxxx (DMAC-S/HPBREG/INTC2/LRAM/DBSC) */
61 {
62 .virtual = 0xfe000000,
63 .pfn = __phys_to_pfn(0xfe000000),
64 .length = SZ_16M,
65 .type = MT_DEVICE_NONSHARED
66 },
67};
68
69void __init r8a7779_map_io(void)
70{
71 iotable_init(r8a7779_io_desc, ARRAY_SIZE(r8a7779_io_desc));
72}
f411fade 73
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74/* IRQ */
75#define INT2SMSKCR0 IOMEM(0xfe7822a0)
76#define INT2SMSKCR1 IOMEM(0xfe7822a4)
77#define INT2SMSKCR2 IOMEM(0xfe7822a8)
78#define INT2SMSKCR3 IOMEM(0xfe7822ac)
79#define INT2SMSKCR4 IOMEM(0xfe7822b0)
80
81#define INT2NTSR0 IOMEM(0xfe700060)
82#define INT2NTSR1 IOMEM(0xfe700064)
83
84static struct renesas_intc_irqpin_config irqpin0_platform_data __initdata = {
85 .irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */
86 .sense_bitfield_width = 2,
87};
88
89static struct resource irqpin0_resources[] __initdata = {
90 DEFINE_RES_MEM(0xfe78001c, 4), /* ICR1 */
91 DEFINE_RES_MEM(0xfe780010, 4), /* INTPRI */
92 DEFINE_RES_MEM(0xfe780024, 4), /* INTREQ */
93 DEFINE_RES_MEM(0xfe780044, 4), /* INTMSK0 */
94 DEFINE_RES_MEM(0xfe780064, 4), /* INTMSKCLR0 */
95 DEFINE_RES_IRQ(gic_spi(27)), /* IRQ0 */
96 DEFINE_RES_IRQ(gic_spi(28)), /* IRQ1 */
97 DEFINE_RES_IRQ(gic_spi(29)), /* IRQ2 */
98 DEFINE_RES_IRQ(gic_spi(30)), /* IRQ3 */
99};
100
31e4e292 101void __init r8a7779_init_irq_extpin_dt(int irlm)
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102{
103 void __iomem *icr0 = ioremap_nocache(0xfe780000, PAGE_SIZE);
104 u32 tmp;
105
106 if (!icr0) {
107 pr_warn("r8a7779: unable to setup external irq pin mode\n");
108 return;
109 }
110
111 tmp = ioread32(icr0);
112 if (irlm)
113 tmp |= 1 << 23; /* IRQ0 -> IRQ3 as individual pins */
114 else
115 tmp &= ~(1 << 23); /* IRL mode - not supported */
116 tmp |= (1 << 21); /* LVLMODE = 1 */
117 iowrite32(tmp, icr0);
118 iounmap(icr0);
31e4e292 119}
5b3859d7 120
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121void __init r8a7779_init_irq_extpin(int irlm)
122{
123 r8a7779_init_irq_extpin_dt(irlm);
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124 if (irlm)
125 platform_device_register_resndata(
126 &platform_bus, "renesas_intc_irqpin", -1,
127 irqpin0_resources, ARRAY_SIZE(irqpin0_resources),
128 &irqpin0_platform_data, sizeof(irqpin0_platform_data));
129}
130
131/* PFC/GPIO */
8b6edf36 132static struct resource r8a7779_pfc_resources[] = {
0ccaf5bb 133 DEFINE_RES_MEM(0xfffc0000, 0x023c),
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134};
135
136static struct platform_device r8a7779_pfc_device = {
137 .name = "pfc-r8a7779",
138 .id = -1,
139 .resource = r8a7779_pfc_resources,
140 .num_resources = ARRAY_SIZE(r8a7779_pfc_resources),
141};
142
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143#define R8A7779_GPIO(idx, npins) \
144static struct resource r8a7779_gpio##idx##_resources[] = { \
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145 DEFINE_RES_MEM(0xffc40000 + (0x1000 * (idx)), 0x002c), \
146 DEFINE_RES_IRQ(gic_iid(0xad + (idx))), \
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147}; \
148 \
149static struct gpio_rcar_config r8a7779_gpio##idx##_platform_data = { \
150 .gpio_base = 32 * (idx), \
151 .irq_base = 0, \
152 .number_of_pins = npins, \
153 .pctl_name = "pfc-r8a7779", \
154}; \
155 \
156static struct platform_device r8a7779_gpio##idx##_device = { \
157 .name = "gpio_rcar", \
158 .id = idx, \
159 .resource = r8a7779_gpio##idx##_resources, \
160 .num_resources = ARRAY_SIZE(r8a7779_gpio##idx##_resources), \
161 .dev = { \
162 .platform_data = &r8a7779_gpio##idx##_platform_data, \
163 }, \
164}
165
166R8A7779_GPIO(0, 32);
167R8A7779_GPIO(1, 32);
168R8A7779_GPIO(2, 32);
169R8A7779_GPIO(3, 32);
170R8A7779_GPIO(4, 32);
171R8A7779_GPIO(5, 32);
172R8A7779_GPIO(6, 9);
173
174static struct platform_device *r8a7779_pinctrl_devices[] __initdata = {
175 &r8a7779_pfc_device,
176 &r8a7779_gpio0_device,
177 &r8a7779_gpio1_device,
178 &r8a7779_gpio2_device,
179 &r8a7779_gpio3_device,
180 &r8a7779_gpio4_device,
181 &r8a7779_gpio5_device,
182 &r8a7779_gpio6_device,
183};
184
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185void __init r8a7779_pinmux_init(void)
186{
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187 platform_add_devices(r8a7779_pinctrl_devices,
188 ARRAY_SIZE(r8a7779_pinctrl_devices));
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189}
190
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191/* SCIF */
192#define R8A7779_SCIF(index, baseaddr, irq) \
193static struct plat_sci_port scif##index##_platform_data = { \
194 .type = PORT_SCIF, \
efced000 195 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \
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196 .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, \
197}; \
198 \
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199static struct resource scif##index##_resources[] = { \
200 DEFINE_RES_MEM(baseaddr, 0x100), \
201 DEFINE_RES_IRQ(irq), \
202}; \
203 \
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204static struct platform_device scif##index##_device = { \
205 .name = "sh-sci", \
206 .id = index, \
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207 .resource = scif##index##_resources, \
208 .num_resources = ARRAY_SIZE(scif##index##_resources), \
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209 .dev = { \
210 .platform_data = &scif##index##_platform_data, \
211 }, \
212}
f411fade 213
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214R8A7779_SCIF(0, 0xffe40000, gic_iid(0x78));
215R8A7779_SCIF(1, 0xffe41000, gic_iid(0x79));
216R8A7779_SCIF(2, 0xffe42000, gic_iid(0x7a));
217R8A7779_SCIF(3, 0xffe43000, gic_iid(0x7b));
218R8A7779_SCIF(4, 0xffe44000, gic_iid(0x7c));
219R8A7779_SCIF(5, 0xffe45000, gic_iid(0x7d));
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220
221/* TMU */
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222static struct sh_timer_config tmu0_platform_data = {
223 .channels_mask = 7,
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224};
225
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226static struct resource tmu0_resources[] = {
227 DEFINE_RES_MEM(0xffd80000, 0x30),
228 DEFINE_RES_IRQ(gic_iid(0x40)),
229 DEFINE_RES_IRQ(gic_iid(0x41)),
230 DEFINE_RES_IRQ(gic_iid(0x42)),
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231};
232
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233static struct platform_device tmu0_device = {
234 .name = "sh-tmu",
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235 .id = 0,
236 .dev = {
e4ae34e2 237 .platform_data = &tmu0_platform_data,
f411fade 238 },
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239 .resource = tmu0_resources,
240 .num_resources = ARRAY_SIZE(tmu0_resources),
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241};
242
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243/* I2C */
244static struct resource rcar_i2c0_res[] = {
245 {
246 .start = 0xffc70000,
247 .end = 0xffc70fff,
248 .flags = IORESOURCE_MEM,
249 }, {
dbe95ad0 250 .start = gic_iid(0x6f),
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251 .flags = IORESOURCE_IRQ,
252 },
253};
254
255static struct platform_device i2c0_device = {
256 .name = "i2c-rcar",
257 .id = 0,
258 .resource = rcar_i2c0_res,
259 .num_resources = ARRAY_SIZE(rcar_i2c0_res),
260};
261
262static struct resource rcar_i2c1_res[] = {
263 {
264 .start = 0xffc71000,
265 .end = 0xffc71fff,
266 .flags = IORESOURCE_MEM,
267 }, {
dbe95ad0 268 .start = gic_iid(0x72),
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269 .flags = IORESOURCE_IRQ,
270 },
271};
272
273static struct platform_device i2c1_device = {
274 .name = "i2c-rcar",
275 .id = 1,
276 .resource = rcar_i2c1_res,
277 .num_resources = ARRAY_SIZE(rcar_i2c1_res),
278};
279
280static struct resource rcar_i2c2_res[] = {
281 {
282 .start = 0xffc72000,
283 .end = 0xffc72fff,
284 .flags = IORESOURCE_MEM,
285 }, {
dbe95ad0 286 .start = gic_iid(0x70),
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287 .flags = IORESOURCE_IRQ,
288 },
289};
290
291static struct platform_device i2c2_device = {
292 .name = "i2c-rcar",
293 .id = 2,
294 .resource = rcar_i2c2_res,
295 .num_resources = ARRAY_SIZE(rcar_i2c2_res),
296};
297
298static struct resource rcar_i2c3_res[] = {
299 {
300 .start = 0xffc73000,
301 .end = 0xffc73fff,
302 .flags = IORESOURCE_MEM,
303 }, {
dbe95ad0 304 .start = gic_iid(0x71),
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305 .flags = IORESOURCE_IRQ,
306 },
307};
308
309static struct platform_device i2c3_device = {
310 .name = "i2c-rcar",
311 .id = 3,
312 .resource = rcar_i2c3_res,
313 .num_resources = ARRAY_SIZE(rcar_i2c3_res),
314};
315
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316static struct resource sata_resources[] = {
317 [0] = {
318 .name = "rcar-sata",
319 .start = 0xfc600000,
320 .end = 0xfc601fff,
321 .flags = IORESOURCE_MEM,
322 },
323 [1] = {
d60cd5f1 324 .start = gic_iid(0x84),
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325 .flags = IORESOURCE_IRQ,
326 },
327};
328
329static struct platform_device sata_device = {
330 .name = "sata_rcar",
331 .id = -1,
332 .resource = sata_resources,
333 .num_resources = ARRAY_SIZE(sata_resources),
334 .dev = {
335 .dma_mask = &sata_device.dev.coherent_dma_mask,
336 .coherent_dma_mask = DMA_BIT_MASK(32),
337 },
338};
339
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340/* USB */
341static struct usb_phy *phy;
342
343static int usb_power_on(struct platform_device *pdev)
344{
345 if (IS_ERR(phy))
346 return PTR_ERR(phy);
347
348 pm_runtime_enable(&pdev->dev);
349 pm_runtime_get_sync(&pdev->dev);
350
351 usb_phy_init(phy);
352
353 return 0;
354}
355
356static void usb_power_off(struct platform_device *pdev)
357{
358 if (IS_ERR(phy))
359 return;
360
361 usb_phy_shutdown(phy);
362
363 pm_runtime_put_sync(&pdev->dev);
364 pm_runtime_disable(&pdev->dev);
365}
366
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367static int ehci_init_internal_buffer(struct usb_hcd *hcd)
368{
369 /*
370 * Below are recommended values from the datasheet;
371 * see [USB :: Setting of EHCI Internal Buffer].
372 */
373 /* EHCI IP internal buffer setting */
374 iowrite32(0x00ff0040, hcd->regs + 0x0094);
375 /* EHCI IP internal buffer enable */
376 iowrite32(0x00000001, hcd->regs + 0x009C);
377
378 return 0;
379}
380
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381static struct usb_ehci_pdata ehcix_pdata = {
382 .power_on = usb_power_on,
383 .power_off = usb_power_off,
384 .power_suspend = usb_power_off,
84a812da 385 .pre_setup = ehci_init_internal_buffer,
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386};
387
388static struct resource ehci0_resources[] = {
389 [0] = {
390 .start = 0xffe70000,
391 .end = 0xffe70400 - 1,
392 .flags = IORESOURCE_MEM,
393 },
394 [1] = {
395 .start = gic_iid(0x4c),
396 .flags = IORESOURCE_IRQ,
397 },
398};
399
400static struct platform_device ehci0_device = {
401 .name = "ehci-platform",
402 .id = 0,
403 .dev = {
404 .dma_mask = &ehci0_device.dev.coherent_dma_mask,
405 .coherent_dma_mask = 0xffffffff,
406 .platform_data = &ehcix_pdata,
407 },
408 .num_resources = ARRAY_SIZE(ehci0_resources),
409 .resource = ehci0_resources,
410};
411
412static struct resource ehci1_resources[] = {
413 [0] = {
414 .start = 0xfff70000,
415 .end = 0xfff70400 - 1,
416 .flags = IORESOURCE_MEM,
417 },
418 [1] = {
419 .start = gic_iid(0x4d),
420 .flags = IORESOURCE_IRQ,
421 },
422};
423
424static struct platform_device ehci1_device = {
425 .name = "ehci-platform",
426 .id = 1,
427 .dev = {
428 .dma_mask = &ehci1_device.dev.coherent_dma_mask,
429 .coherent_dma_mask = 0xffffffff,
430 .platform_data = &ehcix_pdata,
431 },
432 .num_resources = ARRAY_SIZE(ehci1_resources),
433 .resource = ehci1_resources,
434};
435
436static struct usb_ohci_pdata ohcix_pdata = {
437 .power_on = usb_power_on,
438 .power_off = usb_power_off,
439 .power_suspend = usb_power_off,
440};
441
442static struct resource ohci0_resources[] = {
443 [0] = {
444 .start = 0xffe70400,
445 .end = 0xffe70800 - 1,
446 .flags = IORESOURCE_MEM,
447 },
448 [1] = {
449 .start = gic_iid(0x4c),
450 .flags = IORESOURCE_IRQ,
451 },
452};
453
454static struct platform_device ohci0_device = {
455 .name = "ohci-platform",
456 .id = 0,
457 .dev = {
458 .dma_mask = &ohci0_device.dev.coherent_dma_mask,
459 .coherent_dma_mask = 0xffffffff,
460 .platform_data = &ohcix_pdata,
461 },
462 .num_resources = ARRAY_SIZE(ohci0_resources),
463 .resource = ohci0_resources,
464};
465
466static struct resource ohci1_resources[] = {
467 [0] = {
468 .start = 0xfff70400,
469 .end = 0xfff70800 - 1,
470 .flags = IORESOURCE_MEM,
471 },
472 [1] = {
473 .start = gic_iid(0x4d),
474 .flags = IORESOURCE_IRQ,
475 },
476};
477
478static struct platform_device ohci1_device = {
479 .name = "ohci-platform",
480 .id = 1,
481 .dev = {
482 .dma_mask = &ohci1_device.dev.coherent_dma_mask,
483 .coherent_dma_mask = 0xffffffff,
484 .platform_data = &ohcix_pdata,
485 },
486 .num_resources = ARRAY_SIZE(ohci1_resources),
487 .resource = ohci1_resources,
488};
489
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490/* HPB-DMA */
491
492/* Asynchronous mode register bits */
493#define HPB_DMAE_ASYNCMDR_ASMD43_MASK BIT(23) /* MMC1 */
494#define HPB_DMAE_ASYNCMDR_ASMD43_SINGLE BIT(23) /* MMC1 */
495#define HPB_DMAE_ASYNCMDR_ASMD43_MULTI 0 /* MMC1 */
496#define HPB_DMAE_ASYNCMDR_ASBTMD43_MASK BIT(22) /* MMC1 */
497#define HPB_DMAE_ASYNCMDR_ASBTMD43_BURST BIT(22) /* MMC1 */
498#define HPB_DMAE_ASYNCMDR_ASBTMD43_NBURST 0 /* MMC1 */
499#define HPB_DMAE_ASYNCMDR_ASMD24_MASK BIT(21) /* MMC0 */
500#define HPB_DMAE_ASYNCMDR_ASMD24_SINGLE BIT(21) /* MMC0 */
501#define HPB_DMAE_ASYNCMDR_ASMD24_MULTI 0 /* MMC0 */
502#define HPB_DMAE_ASYNCMDR_ASBTMD24_MASK BIT(20) /* MMC0 */
503#define HPB_DMAE_ASYNCMDR_ASBTMD24_BURST BIT(20) /* MMC0 */
504#define HPB_DMAE_ASYNCMDR_ASBTMD24_NBURST 0 /* MMC0 */
505#define HPB_DMAE_ASYNCMDR_ASMD41_MASK BIT(19) /* SDHI3 */
506#define HPB_DMAE_ASYNCMDR_ASMD41_SINGLE BIT(19) /* SDHI3 */
507#define HPB_DMAE_ASYNCMDR_ASMD41_MULTI 0 /* SDHI3 */
508#define HPB_DMAE_ASYNCMDR_ASBTMD41_MASK BIT(18) /* SDHI3 */
509#define HPB_DMAE_ASYNCMDR_ASBTMD41_BURST BIT(18) /* SDHI3 */
510#define HPB_DMAE_ASYNCMDR_ASBTMD41_NBURST 0 /* SDHI3 */
511#define HPB_DMAE_ASYNCMDR_ASMD40_MASK BIT(17) /* SDHI3 */
512#define HPB_DMAE_ASYNCMDR_ASMD40_SINGLE BIT(17) /* SDHI3 */
513#define HPB_DMAE_ASYNCMDR_ASMD40_MULTI 0 /* SDHI3 */
514#define HPB_DMAE_ASYNCMDR_ASBTMD40_MASK BIT(16) /* SDHI3 */
515#define HPB_DMAE_ASYNCMDR_ASBTMD40_BURST BIT(16) /* SDHI3 */
516#define HPB_DMAE_ASYNCMDR_ASBTMD40_NBURST 0 /* SDHI3 */
517#define HPB_DMAE_ASYNCMDR_ASMD39_MASK BIT(15) /* SDHI3 */
518#define HPB_DMAE_ASYNCMDR_ASMD39_SINGLE BIT(15) /* SDHI3 */
519#define HPB_DMAE_ASYNCMDR_ASMD39_MULTI 0 /* SDHI3 */
520#define HPB_DMAE_ASYNCMDR_ASBTMD39_MASK BIT(14) /* SDHI3 */
521#define HPB_DMAE_ASYNCMDR_ASBTMD39_BURST BIT(14) /* SDHI3 */
522#define HPB_DMAE_ASYNCMDR_ASBTMD39_NBURST 0 /* SDHI3 */
523#define HPB_DMAE_ASYNCMDR_ASMD27_MASK BIT(13) /* SDHI2 */
524#define HPB_DMAE_ASYNCMDR_ASMD27_SINGLE BIT(13) /* SDHI2 */
525#define HPB_DMAE_ASYNCMDR_ASMD27_MULTI 0 /* SDHI2 */
526#define HPB_DMAE_ASYNCMDR_ASBTMD27_MASK BIT(12) /* SDHI2 */
527#define HPB_DMAE_ASYNCMDR_ASBTMD27_BURST BIT(12) /* SDHI2 */
528#define HPB_DMAE_ASYNCMDR_ASBTMD27_NBURST 0 /* SDHI2 */
529#define HPB_DMAE_ASYNCMDR_ASMD26_MASK BIT(11) /* SDHI2 */
530#define HPB_DMAE_ASYNCMDR_ASMD26_SINGLE BIT(11) /* SDHI2 */
531#define HPB_DMAE_ASYNCMDR_ASMD26_MULTI 0 /* SDHI2 */
532#define HPB_DMAE_ASYNCMDR_ASBTMD26_MASK BIT(10) /* SDHI2 */
533#define HPB_DMAE_ASYNCMDR_ASBTMD26_BURST BIT(10) /* SDHI2 */
534#define HPB_DMAE_ASYNCMDR_ASBTMD26_NBURST 0 /* SDHI2 */
535#define HPB_DMAE_ASYNCMDR_ASMD25_MASK BIT(9) /* SDHI2 */
536#define HPB_DMAE_ASYNCMDR_ASMD25_SINGLE BIT(9) /* SDHI2 */
537#define HPB_DMAE_ASYNCMDR_ASMD25_MULTI 0 /* SDHI2 */
538#define HPB_DMAE_ASYNCMDR_ASBTMD25_MASK BIT(8) /* SDHI2 */
539#define HPB_DMAE_ASYNCMDR_ASBTMD25_BURST BIT(8) /* SDHI2 */
540#define HPB_DMAE_ASYNCMDR_ASBTMD25_NBURST 0 /* SDHI2 */
541#define HPB_DMAE_ASYNCMDR_ASMD23_MASK BIT(7) /* SDHI0 */
542#define HPB_DMAE_ASYNCMDR_ASMD23_SINGLE BIT(7) /* SDHI0 */
543#define HPB_DMAE_ASYNCMDR_ASMD23_MULTI 0 /* SDHI0 */
544#define HPB_DMAE_ASYNCMDR_ASBTMD23_MASK BIT(6) /* SDHI0 */
545#define HPB_DMAE_ASYNCMDR_ASBTMD23_BURST BIT(6) /* SDHI0 */
546#define HPB_DMAE_ASYNCMDR_ASBTMD23_NBURST 0 /* SDHI0 */
547#define HPB_DMAE_ASYNCMDR_ASMD22_MASK BIT(5) /* SDHI0 */
548#define HPB_DMAE_ASYNCMDR_ASMD22_SINGLE BIT(5) /* SDHI0 */
549#define HPB_DMAE_ASYNCMDR_ASMD22_MULTI 0 /* SDHI0 */
550#define HPB_DMAE_ASYNCMDR_ASBTMD22_MASK BIT(4) /* SDHI0 */
551#define HPB_DMAE_ASYNCMDR_ASBTMD22_BURST BIT(4) /* SDHI0 */
552#define HPB_DMAE_ASYNCMDR_ASBTMD22_NBURST 0 /* SDHI0 */
553#define HPB_DMAE_ASYNCMDR_ASMD21_MASK BIT(3) /* SDHI0 */
554#define HPB_DMAE_ASYNCMDR_ASMD21_SINGLE BIT(3) /* SDHI0 */
555#define HPB_DMAE_ASYNCMDR_ASMD21_MULTI 0 /* SDHI0 */
556#define HPB_DMAE_ASYNCMDR_ASBTMD21_MASK BIT(2) /* SDHI0 */
557#define HPB_DMAE_ASYNCMDR_ASBTMD21_BURST BIT(2) /* SDHI0 */
558#define HPB_DMAE_ASYNCMDR_ASBTMD21_NBURST 0 /* SDHI0 */
559#define HPB_DMAE_ASYNCMDR_ASMD20_MASK BIT(1) /* SDHI1 */
560#define HPB_DMAE_ASYNCMDR_ASMD20_SINGLE BIT(1) /* SDHI1 */
561#define HPB_DMAE_ASYNCMDR_ASMD20_MULTI 0 /* SDHI1 */
562#define HPB_DMAE_ASYNCMDR_ASBTMD20_MASK BIT(0) /* SDHI1 */
563#define HPB_DMAE_ASYNCMDR_ASBTMD20_BURST BIT(0) /* SDHI1 */
564#define HPB_DMAE_ASYNCMDR_ASBTMD20_NBURST 0 /* SDHI1 */
565
566static const struct hpb_dmae_slave_config hpb_dmae_slaves[] = {
567 {
568 .id = HPBDMA_SLAVE_SDHI0_TX,
569 .addr = 0xffe4c000 + 0x30,
570 .dcr = HPB_DMAE_DCR_SPDS_16BIT |
571 HPB_DMAE_DCR_DMDL |
572 HPB_DMAE_DCR_DPDS_16BIT,
573 .rstr = HPB_DMAE_ASYNCRSTR_ASRST21 |
574 HPB_DMAE_ASYNCRSTR_ASRST22 |
575 HPB_DMAE_ASYNCRSTR_ASRST23,
576 .mdr = HPB_DMAE_ASYNCMDR_ASMD21_SINGLE |
577 HPB_DMAE_ASYNCMDR_ASBTMD21_NBURST,
578 .mdm = HPB_DMAE_ASYNCMDR_ASMD21_MASK |
579 HPB_DMAE_ASYNCMDR_ASBTMD21_MASK,
580 .port = 0x0D0C,
581 .flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE,
582 .dma_ch = 21,
583 }, {
584 .id = HPBDMA_SLAVE_SDHI0_RX,
585 .addr = 0xffe4c000 + 0x30,
586 .dcr = HPB_DMAE_DCR_SMDL |
587 HPB_DMAE_DCR_SPDS_16BIT |
588 HPB_DMAE_DCR_DPDS_16BIT,
589 .rstr = HPB_DMAE_ASYNCRSTR_ASRST21 |
590 HPB_DMAE_ASYNCRSTR_ASRST22 |
591 HPB_DMAE_ASYNCRSTR_ASRST23,
592 .mdr = HPB_DMAE_ASYNCMDR_ASMD22_SINGLE |
593 HPB_DMAE_ASYNCMDR_ASBTMD22_NBURST,
594 .mdm = HPB_DMAE_ASYNCMDR_ASMD22_MASK |
595 HPB_DMAE_ASYNCMDR_ASBTMD22_MASK,
596 .port = 0x0D0C,
597 .flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE,
598 .dma_ch = 22,
599 },
600};
601
602static const struct hpb_dmae_channel hpb_dmae_channels[] = {
603 HPB_DMAE_CHANNEL(0x93, HPBDMA_SLAVE_SDHI0_TX), /* ch. 21 */
604 HPB_DMAE_CHANNEL(0x93, HPBDMA_SLAVE_SDHI0_RX), /* ch. 22 */
605};
606
607static struct hpb_dmae_pdata dma_platform_data __initdata = {
608 .slaves = hpb_dmae_slaves,
609 .num_slaves = ARRAY_SIZE(hpb_dmae_slaves),
610 .channels = hpb_dmae_channels,
611 .num_channels = ARRAY_SIZE(hpb_dmae_channels),
612 .ts_shift = {
613 [XMIT_SZ_8BIT] = 0,
614 [XMIT_SZ_16BIT] = 1,
615 [XMIT_SZ_32BIT] = 2,
616 },
617 .num_hw_channels = 44,
618};
619
620static struct resource hpb_dmae_resources[] __initdata = {
621 /* Channel registers */
622 DEFINE_RES_MEM(0xffc08000, 0x1000),
623 /* Common registers */
624 DEFINE_RES_MEM(0xffc09000, 0x170),
625 /* Asynchronous reset registers */
626 DEFINE_RES_MEM(0xffc00300, 4),
627 /* Asynchronous mode registers */
628 DEFINE_RES_MEM(0xffc00400, 4),
629 /* IRQ for DMA channels */
630 DEFINE_RES_NAMED(gic_iid(0x8e), 12, NULL, IORESOURCE_IRQ),
631};
632
633static void __init r8a7779_register_hpb_dmae(void)
634{
635 platform_device_register_resndata(&platform_bus, "hpb-dma-engine", -1,
636 hpb_dmae_resources,
637 ARRAY_SIZE(hpb_dmae_resources),
638 &dma_platform_data,
639 sizeof(dma_platform_data));
640}
641
916ddc35 642static struct platform_device *r8a7779_devices_dt[] __initdata = {
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643 &scif0_device,
644 &scif1_device,
645 &scif2_device,
646 &scif3_device,
647 &scif4_device,
648 &scif5_device,
e4ae34e2 649 &tmu0_device,
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650};
651
2c8788bf 652static struct platform_device *r8a7779_standard_devices[] __initdata = {
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653 &i2c0_device,
654 &i2c1_device,
655 &i2c2_device,
656 &i2c3_device,
a7b9837c 657 &sata_device,
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658};
659
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660void __init r8a7779_add_standard_devices(void)
661{
8bac13f5 662#ifdef CONFIG_CACHE_L2X0
36bccb11 663 /* Shared attribute override enable, 64K*16way */
2edb89cd 664 l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff);
8bac13f5 665#endif
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666 r8a7779_pm_init();
667
45e5ca57 668 r8a7779_init_pm_domains();
a662c082 669
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670 platform_add_devices(r8a7779_devices_dt,
671 ARRAY_SIZE(r8a7779_devices_dt));
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672 platform_add_devices(r8a7779_standard_devices,
673 ARRAY_SIZE(r8a7779_standard_devices));
441f7502 674 r8a7779_register_hpb_dmae();
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675}
676
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677/* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */
678void __init __weak r8a7779_register_twd(void) { }
679
6bb27d73 680void __init r8a7779_earlytimer_init(void)
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681{
682 r8a7779_clock_init();
b759bd11 683 r8a7779_register_twd();
7658ea2f 684 shmobile_earlytimer_init();
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685}
686
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687void __init r8a7779_add_early_devices(void)
688{
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689 early_platform_add_devices(r8a7779_devices_dt,
690 ARRAY_SIZE(r8a7779_devices_dt));
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691
692 /* Early serial console setup is not included here due to
693 * memory map collisions. The SCIF serial ports in r8a7779
694 * are difficult to entity map 1:1 due to collision with the
695 * virtual memory range used by the coherent DMA code on ARM.
696 *
697 * Anyone wanting to debug early can remove UPF_IOREMAP from
698 * the sh-sci serial console platform data, adjust mapbase
699 * to a static M:N virt:phys mapping that needs to be added to
700 * the mappings passed with iotable_init() above.
701 *
702 * Then add a call to shmobile_setup_console() from this function.
703 *
704 * As a final step pass earlyprint=sh-sci.2,115200 on the kernel
705 * command line in case of the marzen board.
706 */
f411fade 707}
10e8d4f6 708
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709static struct platform_device *r8a7779_late_devices[] __initdata = {
710 &ehci0_device,
711 &ehci1_device,
712 &ohci0_device,
713 &ohci1_device,
714};
715
716void __init r8a7779_init_late(void)
717{
718 /* get USB PHY */
719 phy = usb_get_phy(USB_PHY_TYPE_USB2);
720
721 shmobile_init_late();
722 platform_add_devices(r8a7779_late_devices,
723 ARRAY_SIZE(r8a7779_late_devices));
724}
725
10e8d4f6 726#ifdef CONFIG_USE_OF
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727static int r8a7779_set_wake(struct irq_data *data, unsigned int on)
728{
729 return 0; /* always allow wakeup */
730}
731
732void __init r8a7779_init_irq_dt(void)
733{
734 gic_arch_extn.irq_set_wake = r8a7779_set_wake;
735
736 irqchip_init();
737
738 /* route all interrupts to ARM */
739 __raw_writel(0xffffffff, INT2NTSR0);
740 __raw_writel(0x3fffffff, INT2NTSR1);
741
742 /* unmask all known interrupts in INTCS2 */
743 __raw_writel(0xfffffff0, INT2SMSKCR0);
744 __raw_writel(0xfff7ffff, INT2SMSKCR1);
745 __raw_writel(0xfffbffdf, INT2SMSKCR2);
746 __raw_writel(0xbffffffc, INT2SMSKCR3);
747 __raw_writel(0x003fee3f, INT2SMSKCR4);
748}
749
916ddc35 750void __init r8a7779_init_delay(void)
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751{
752 shmobile_setup_delay(1000, 2, 4); /* Cortex-A9 @ 1000MHz */
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753}
754
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755void __init r8a7779_add_standard_devices_dt(void)
756{
757 /* clocks are setup late during boot in the case of DT */
758 r8a7779_clock_init();
759
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760 platform_add_devices(r8a7779_devices_dt,
761 ARRAY_SIZE(r8a7779_devices_dt));
41b0156c 762 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
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763}
764
765static const char *r8a7779_compat_dt[] __initdata = {
766 "renesas,r8a7779",
767 NULL,
768};
769
abe0e14b 770DT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)")
10e8d4f6 771 .map_io = r8a7779_map_io,
916ddc35 772 .init_early = r8a7779_init_delay,
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773 .nr_irqs = NR_IRQS_LEGACY,
774 .init_irq = r8a7779_init_irq_dt,
775 .init_machine = r8a7779_add_standard_devices_dt,
2c8788bf 776 .init_late = r8a7779_init_late,
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777 .dt_compat = r8a7779_compat_dt,
778MACHINE_END
779#endif /* CONFIG_USE_OF */
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