Merge tag 'renesas-cleanup-for-v3.19' of git://git.kernel.org/pub/scm/linux/kernel...
[cascardo/linux.git] / arch / arm / mach-shmobile / setup-r8a7778.c
1 /*
2  * r8a7778 processor support
3  *
4  * Copyright (C) 2013  Renesas Solutions Corp.
5  * Copyright (C) 2013  Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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
18 #include <linux/kernel.h>
19 #include <linux/io.h>
20 #include <linux/irqchip/arm-gic.h>
21 #include <linux/of.h>
22 #include <linux/of_platform.h>
23 #include <linux/platform_data/dma-rcar-hpbdma.h>
24 #include <linux/platform_data/gpio-rcar.h>
25 #include <linux/platform_data/irq-renesas-intc-irqpin.h>
26 #include <linux/platform_device.h>
27 #include <linux/irqchip.h>
28 #include <linux/serial_sci.h>
29 #include <linux/sh_timer.h>
30 #include <linux/pm_runtime.h>
31 #include <linux/usb/phy.h>
32 #include <linux/usb/hcd.h>
33 #include <linux/usb/ehci_pdriver.h>
34 #include <linux/usb/ohci_pdriver.h>
35 #include <linux/dma-mapping.h>
36
37 #include <asm/mach/arch.h>
38 #include <asm/hardware/cache-l2x0.h>
39
40 #include "common.h"
41 #include "irqs.h"
42 #include "r8a7778.h"
43
44 /* SCIF */
45 #define R8A7778_SCIF(index, baseaddr, irq)                      \
46 static struct plat_sci_port scif##index##_platform_data = {     \
47         .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,      \
48         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_CKE1,     \
49         .type           = PORT_SCIF,                            \
50 };                                                              \
51                                                                 \
52 static struct resource scif##index##_resources[] = {            \
53         DEFINE_RES_MEM(baseaddr, 0x100),                        \
54         DEFINE_RES_IRQ(irq),                                    \
55 }
56
57 R8A7778_SCIF(0, 0xffe40000, gic_iid(0x66));
58 R8A7778_SCIF(1, 0xffe41000, gic_iid(0x67));
59 R8A7778_SCIF(2, 0xffe42000, gic_iid(0x68));
60 R8A7778_SCIF(3, 0xffe43000, gic_iid(0x69));
61 R8A7778_SCIF(4, 0xffe44000, gic_iid(0x6a));
62 R8A7778_SCIF(5, 0xffe45000, gic_iid(0x6b));
63
64 #define r8a7778_register_scif(index)                                           \
65         platform_device_register_resndata(NULL, "sh-sci", index,               \
66                                           scif##index##_resources,             \
67                                           ARRAY_SIZE(scif##index##_resources), \
68                                           &scif##index##_platform_data,        \
69                                           sizeof(scif##index##_platform_data))
70
71 /* TMU */
72 static struct sh_timer_config sh_tmu0_platform_data = {
73         .channels_mask = 7,
74 };
75
76 static struct resource sh_tmu0_resources[] = {
77         DEFINE_RES_MEM(0xffd80000, 0x30),
78         DEFINE_RES_IRQ(gic_iid(0x40)),
79         DEFINE_RES_IRQ(gic_iid(0x41)),
80         DEFINE_RES_IRQ(gic_iid(0x42)),
81 };
82
83 #define r8a7778_register_tmu(idx)                       \
84         platform_device_register_resndata(              \
85                 NULL, "sh-tmu", idx,                    \
86                 sh_tmu##idx##_resources,                \
87                 ARRAY_SIZE(sh_tmu##idx##_resources),    \
88                 &sh_tmu##idx##_platform_data,           \
89                 sizeof(sh_tmu##idx##_platform_data))
90
91 int r8a7778_usb_phy_power(bool enable)
92 {
93         static struct usb_phy *phy = NULL;
94         int ret = 0;
95
96         if (!phy)
97                 phy = usb_get_phy(USB_PHY_TYPE_USB2);
98
99         if (IS_ERR(phy)) {
100                 pr_err("kernel doesn't have usb phy driver\n");
101                 return PTR_ERR(phy);
102         }
103
104         if (enable)
105                 ret = usb_phy_init(phy);
106         else
107                 usb_phy_shutdown(phy);
108
109         return ret;
110 }
111
112 /* USB */
113 static int usb_power_on(struct platform_device *pdev)
114 {
115         int ret = r8a7778_usb_phy_power(true);
116
117         if (ret)
118                 return ret;
119
120         pm_runtime_enable(&pdev->dev);
121         pm_runtime_get_sync(&pdev->dev);
122
123         return 0;
124 }
125
126 static void usb_power_off(struct platform_device *pdev)
127 {
128         if (r8a7778_usb_phy_power(false))
129                 return;
130
131         pm_runtime_put_sync(&pdev->dev);
132         pm_runtime_disable(&pdev->dev);
133 }
134
135 static int ehci_init_internal_buffer(struct usb_hcd *hcd)
136 {
137         /*
138          * Below are recommended values from the datasheet;
139          * see [USB :: Setting of EHCI Internal Buffer].
140          */
141         /* EHCI IP internal buffer setting */
142         iowrite32(0x00ff0040, hcd->regs + 0x0094);
143         /* EHCI IP internal buffer enable */
144         iowrite32(0x00000001, hcd->regs + 0x009C);
145
146         return 0;
147 }
148
149 static struct usb_ehci_pdata ehci_pdata __initdata = {
150         .power_on       = usb_power_on,
151         .power_off      = usb_power_off,
152         .power_suspend  = usb_power_off,
153         .pre_setup      = ehci_init_internal_buffer,
154 };
155
156 static struct resource ehci_resources[] __initdata = {
157         DEFINE_RES_MEM(0xffe70000, 0x400),
158         DEFINE_RES_IRQ(gic_iid(0x4c)),
159 };
160
161 static struct usb_ohci_pdata ohci_pdata __initdata = {
162         .power_on       = usb_power_on,
163         .power_off      = usb_power_off,
164         .power_suspend  = usb_power_off,
165 };
166
167 static struct resource ohci_resources[] __initdata = {
168         DEFINE_RES_MEM(0xffe70400, 0x400),
169         DEFINE_RES_IRQ(gic_iid(0x4c)),
170 };
171
172 #define USB_PLATFORM_INFO(hci)                                  \
173 static struct platform_device_info hci##_info __initdata = {    \
174         .name           = #hci "-platform",                     \
175         .id             = -1,                                   \
176         .res            = hci##_resources,                      \
177         .num_res        = ARRAY_SIZE(hci##_resources),          \
178         .data           = &hci##_pdata,                         \
179         .size_data      = sizeof(hci##_pdata),                  \
180         .dma_mask       = DMA_BIT_MASK(32),                     \
181 }
182
183 USB_PLATFORM_INFO(ehci);
184 USB_PLATFORM_INFO(ohci);
185
186 /* PFC/GPIO */
187 static struct resource pfc_resources[] __initdata = {
188         DEFINE_RES_MEM(0xfffc0000, 0x118),
189 };
190
191 #define R8A7778_GPIO(idx)                                               \
192 static struct resource r8a7778_gpio##idx##_resources[] __initdata = {   \
193         DEFINE_RES_MEM(0xffc40000 + 0x1000 * (idx), 0x30),              \
194         DEFINE_RES_IRQ(gic_iid(0x87)),                                  \
195 };                                                                      \
196                                                                         \
197 static struct gpio_rcar_config r8a7778_gpio##idx##_platform_data __initdata = { \
198         .gpio_base      = 32 * (idx),                                   \
199         .irq_base       = GPIO_IRQ_BASE(idx),                           \
200         .number_of_pins = 32,                                           \
201         .pctl_name      = "pfc-r8a7778",                                \
202 }
203
204 R8A7778_GPIO(0);
205 R8A7778_GPIO(1);
206 R8A7778_GPIO(2);
207 R8A7778_GPIO(3);
208 R8A7778_GPIO(4);
209
210 #define r8a7778_register_gpio(idx)                              \
211         platform_device_register_resndata(                      \
212                 NULL, "gpio_rcar", idx,                         \
213                 r8a7778_gpio##idx##_resources,                  \
214                 ARRAY_SIZE(r8a7778_gpio##idx##_resources),      \
215                 &r8a7778_gpio##idx##_platform_data,             \
216                 sizeof(r8a7778_gpio##idx##_platform_data))
217
218 void __init r8a7778_pinmux_init(void)
219 {
220         platform_device_register_simple(
221                 "pfc-r8a7778", -1,
222                 pfc_resources,
223                 ARRAY_SIZE(pfc_resources));
224
225         r8a7778_register_gpio(0);
226         r8a7778_register_gpio(1);
227         r8a7778_register_gpio(2);
228         r8a7778_register_gpio(3);
229         r8a7778_register_gpio(4);
230 };
231
232 /* I2C */
233 static struct resource i2c_resources[] __initdata = {
234         /* I2C0 */
235         DEFINE_RES_MEM(0xffc70000, 0x1000),
236         DEFINE_RES_IRQ(gic_iid(0x63)),
237         /* I2C1 */
238         DEFINE_RES_MEM(0xffc71000, 0x1000),
239         DEFINE_RES_IRQ(gic_iid(0x6e)),
240         /* I2C2 */
241         DEFINE_RES_MEM(0xffc72000, 0x1000),
242         DEFINE_RES_IRQ(gic_iid(0x6c)),
243         /* I2C3 */
244         DEFINE_RES_MEM(0xffc73000, 0x1000),
245         DEFINE_RES_IRQ(gic_iid(0x6d)),
246 };
247
248 static void __init r8a7778_register_i2c(int id)
249 {
250         BUG_ON(id < 0 || id > 3);
251
252         platform_device_register_simple(
253                 "i2c-rcar", id,
254                 i2c_resources + (2 * id), 2);
255 }
256
257 /* HSPI */
258 static struct resource hspi_resources[] __initdata = {
259         /* HSPI0 */
260         DEFINE_RES_MEM(0xfffc7000, 0x18),
261         DEFINE_RES_IRQ(gic_iid(0x5f)),
262         /* HSPI1 */
263         DEFINE_RES_MEM(0xfffc8000, 0x18),
264         DEFINE_RES_IRQ(gic_iid(0x74)),
265         /* HSPI2 */
266         DEFINE_RES_MEM(0xfffc6000, 0x18),
267         DEFINE_RES_IRQ(gic_iid(0x75)),
268 };
269
270 static void __init r8a7778_register_hspi(int id)
271 {
272         BUG_ON(id < 0 || id > 2);
273
274         platform_device_register_simple(
275                 "sh-hspi", id,
276                 hspi_resources + (2 * id), 2);
277 }
278
279 void __init r8a7778_add_dt_devices(void)
280 {
281 #ifdef CONFIG_CACHE_L2X0
282         void __iomem *base = ioremap_nocache(0xf0100000, 0x1000);
283         if (base) {
284                 /*
285                  * Shared attribute override enable, 64K*16way
286                  * don't call iounmap(base)
287                  */
288                 l2x0_init(base, 0x00400000, 0xc20f0fff);
289         }
290 #endif
291
292         r8a7778_register_tmu(0);
293 }
294
295 /* HPB-DMA */
296
297 /* Asynchronous mode register (ASYNCMDR) bits */
298 #define HPB_DMAE_ASYNCMDR_ASMD22_MASK   BIT(2)  /* SDHI0 */
299 #define HPB_DMAE_ASYNCMDR_ASMD22_SINGLE BIT(2)  /* SDHI0 */
300 #define HPB_DMAE_ASYNCMDR_ASMD22_MULTI  0       /* SDHI0 */
301 #define HPB_DMAE_ASYNCMDR_ASMD21_MASK   BIT(1)  /* SDHI0 */
302 #define HPB_DMAE_ASYNCMDR_ASMD21_SINGLE BIT(1)  /* SDHI0 */
303 #define HPB_DMAE_ASYNCMDR_ASMD21_MULTI  0       /* SDHI0 */
304
305 #define HPBDMA_SSI(_id)                         \
306 {                                               \
307         .id     = HPBDMA_SLAVE_SSI## _id ##_TX, \
308         .addr   = 0xffd91008 + (_id * 0x40),    \
309         .dcr    = HPB_DMAE_DCR_CT |             \
310                   HPB_DMAE_DCR_DIP |            \
311                   HPB_DMAE_DCR_SPDS_32BIT |     \
312                   HPB_DMAE_DCR_DMDL |           \
313                   HPB_DMAE_DCR_DPDS_32BIT,      \
314         .port   = _id + (_id << 8),             \
315         .dma_ch = (28 + _id),                   \
316 }, {                                            \
317         .id     = HPBDMA_SLAVE_SSI## _id ##_RX, \
318         .addr   = 0xffd9100c + (_id * 0x40),    \
319         .dcr    = HPB_DMAE_DCR_CT |             \
320                   HPB_DMAE_DCR_DIP |            \
321                   HPB_DMAE_DCR_SMDL |           \
322                   HPB_DMAE_DCR_SPDS_32BIT |     \
323                   HPB_DMAE_DCR_DPDS_32BIT,      \
324         .port   = _id + (_id << 8),             \
325         .dma_ch = (28 + _id),                   \
326 }
327
328 #define HPBDMA_HPBIF(_id)                               \
329 {                                                       \
330         .id     = HPBDMA_SLAVE_HPBIF## _id ##_TX,       \
331         .addr   = 0xffda0000 + (_id * 0x1000),          \
332         .dcr    = HPB_DMAE_DCR_CT |                     \
333                   HPB_DMAE_DCR_DIP |                    \
334                   HPB_DMAE_DCR_SPDS_32BIT |             \
335                   HPB_DMAE_DCR_DMDL |                   \
336                   HPB_DMAE_DCR_DPDS_32BIT,              \
337         .port   = 0x1111,                               \
338         .dma_ch = (28 + _id),                           \
339 }, {                                                    \
340         .id     = HPBDMA_SLAVE_HPBIF## _id ##_RX,       \
341         .addr   = 0xffda0000 + (_id * 0x1000),          \
342         .dcr    = HPB_DMAE_DCR_CT |                     \
343                   HPB_DMAE_DCR_DIP |                    \
344                   HPB_DMAE_DCR_SMDL |                   \
345                   HPB_DMAE_DCR_SPDS_32BIT |             \
346                   HPB_DMAE_DCR_DPDS_32BIT,              \
347         .port   = 0x1111,                               \
348         .dma_ch = (28 + _id),                           \
349 }
350
351 static const struct hpb_dmae_slave_config hpb_dmae_slaves[] = {
352         {
353                 .id     = HPBDMA_SLAVE_SDHI0_TX,
354                 .addr   = 0xffe4c000 + 0x30,
355                 .dcr    = HPB_DMAE_DCR_SPDS_16BIT |
356                           HPB_DMAE_DCR_DMDL |
357                           HPB_DMAE_DCR_DPDS_16BIT,
358                 .rstr   = HPB_DMAE_ASYNCRSTR_ASRST21 |
359                           HPB_DMAE_ASYNCRSTR_ASRST22 |
360                           HPB_DMAE_ASYNCRSTR_ASRST23,
361                 .mdr    = HPB_DMAE_ASYNCMDR_ASMD21_MULTI,
362                 .mdm    = HPB_DMAE_ASYNCMDR_ASMD21_MASK,
363                 .port   = 0x0D0C,
364                 .flags  = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE,
365                 .dma_ch = 21,
366         }, {
367                 .id     = HPBDMA_SLAVE_SDHI0_RX,
368                 .addr   = 0xffe4c000 + 0x30,
369                 .dcr    = HPB_DMAE_DCR_SMDL |
370                           HPB_DMAE_DCR_SPDS_16BIT |
371                           HPB_DMAE_DCR_DPDS_16BIT,
372                 .rstr   = HPB_DMAE_ASYNCRSTR_ASRST21 |
373                           HPB_DMAE_ASYNCRSTR_ASRST22 |
374                           HPB_DMAE_ASYNCRSTR_ASRST23,
375                 .mdr    = HPB_DMAE_ASYNCMDR_ASMD22_MULTI,
376                 .mdm    = HPB_DMAE_ASYNCMDR_ASMD22_MASK,
377                 .port   = 0x0D0C,
378                 .flags  = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE,
379                 .dma_ch = 22,
380         }, {
381                 .id     = HPBDMA_SLAVE_USBFUNC_TX, /* for D0 */
382                 .addr   = 0xffe60018,
383                 .dcr    = HPB_DMAE_DCR_SPDS_32BIT |
384                           HPB_DMAE_DCR_DMDL |
385                           HPB_DMAE_DCR_DPDS_32BIT,
386                 .port   = 0x0000,
387                 .dma_ch = 14,
388         }, {
389                 .id     = HPBDMA_SLAVE_USBFUNC_RX, /* for D1 */
390                 .addr   = 0xffe6001c,
391                 .dcr    = HPB_DMAE_DCR_SMDL |
392                           HPB_DMAE_DCR_SPDS_32BIT |
393                           HPB_DMAE_DCR_DPDS_32BIT,
394                 .port   = 0x0101,
395                 .dma_ch = 15,
396         },
397
398         HPBDMA_SSI(0),
399         HPBDMA_SSI(1),
400         HPBDMA_SSI(2),
401         HPBDMA_SSI(3),
402         HPBDMA_SSI(4),
403         HPBDMA_SSI(5),
404         HPBDMA_SSI(6),
405         HPBDMA_SSI(7),
406         HPBDMA_SSI(8),
407
408         HPBDMA_HPBIF(0),
409         HPBDMA_HPBIF(1),
410         HPBDMA_HPBIF(2),
411         HPBDMA_HPBIF(3),
412         HPBDMA_HPBIF(4),
413         HPBDMA_HPBIF(5),
414         HPBDMA_HPBIF(6),
415         HPBDMA_HPBIF(7),
416         HPBDMA_HPBIF(8),
417 };
418
419 static const struct hpb_dmae_channel hpb_dmae_channels[] = {
420         HPB_DMAE_CHANNEL(0x7c, HPBDMA_SLAVE_USBFUNC_TX), /* ch. 14 */
421         HPB_DMAE_CHANNEL(0x7c, HPBDMA_SLAVE_USBFUNC_RX), /* ch. 15 */
422         HPB_DMAE_CHANNEL(0x7e, HPBDMA_SLAVE_SDHI0_TX), /* ch. 21 */
423         HPB_DMAE_CHANNEL(0x7e, HPBDMA_SLAVE_SDHI0_RX), /* ch. 22 */
424         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI0_TX),   /* ch. 28 */
425         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI0_RX),   /* ch. 28 */
426         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF0_TX), /* ch. 28 */
427         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF0_RX), /* ch. 28 */
428         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI1_TX),   /* ch. 29 */
429         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI1_RX),   /* ch. 29 */
430         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF1_TX), /* ch. 29 */
431         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF1_RX), /* ch. 29 */
432         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI2_TX),   /* ch. 30 */
433         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI2_RX),   /* ch. 30 */
434         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF2_TX), /* ch. 30 */
435         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF2_RX), /* ch. 30 */
436         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI3_TX),   /* ch. 31 */
437         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI3_RX),   /* ch. 31 */
438         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF3_TX), /* ch. 31 */
439         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF3_RX), /* ch. 31 */
440         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI4_TX),   /* ch. 32 */
441         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI4_RX),   /* ch. 32 */
442         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF4_TX), /* ch. 32 */
443         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF4_RX), /* ch. 32 */
444         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI5_TX),   /* ch. 33 */
445         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI5_RX),   /* ch. 33 */
446         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF5_TX), /* ch. 33 */
447         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF5_RX), /* ch. 33 */
448         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI6_TX),   /* ch. 34 */
449         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI6_RX),   /* ch. 34 */
450         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF6_TX), /* ch. 34 */
451         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF6_RX), /* ch. 34 */
452         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI7_TX),   /* ch. 35 */
453         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI7_RX),   /* ch. 35 */
454         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF7_TX), /* ch. 35 */
455         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF7_RX), /* ch. 35 */
456         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI8_TX),   /* ch. 36 */
457         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_SSI8_RX),   /* ch. 36 */
458         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF8_TX), /* ch. 36 */
459         HPB_DMAE_CHANNEL(0x7f, HPBDMA_SLAVE_HPBIF8_RX), /* ch. 36 */
460 };
461
462 static struct hpb_dmae_pdata dma_platform_data __initdata = {
463         .slaves                 = hpb_dmae_slaves,
464         .num_slaves             = ARRAY_SIZE(hpb_dmae_slaves),
465         .channels               = hpb_dmae_channels,
466         .num_channels           = ARRAY_SIZE(hpb_dmae_channels),
467         .ts_shift               = {
468                 [XMIT_SZ_8BIT]  = 0,
469                 [XMIT_SZ_16BIT] = 1,
470                 [XMIT_SZ_32BIT] = 2,
471         },
472         .num_hw_channels        = 39,
473 };
474
475 static struct resource hpb_dmae_resources[] __initdata = {
476         /* Channel registers */
477         DEFINE_RES_MEM(0xffc08000, 0x1000),
478         /* Common registers */
479         DEFINE_RES_MEM(0xffc09000, 0x170),
480         /* Asynchronous reset registers */
481         DEFINE_RES_MEM(0xffc00300, 4),
482         /* Asynchronous mode registers */
483         DEFINE_RES_MEM(0xffc00400, 4),
484         /* IRQ for DMA channels */
485         DEFINE_RES_NAMED(gic_iid(0x7b), 5, NULL, IORESOURCE_IRQ),
486 };
487
488 static void __init r8a7778_register_hpb_dmae(void)
489 {
490         platform_device_register_resndata(NULL, "hpb-dma-engine",
491                                           -1, hpb_dmae_resources,
492                                           ARRAY_SIZE(hpb_dmae_resources),
493                                           &dma_platform_data,
494                                           sizeof(dma_platform_data));
495 }
496
497 void __init r8a7778_add_standard_devices(void)
498 {
499         r8a7778_add_dt_devices();
500         r8a7778_register_scif(0);
501         r8a7778_register_scif(1);
502         r8a7778_register_scif(2);
503         r8a7778_register_scif(3);
504         r8a7778_register_scif(4);
505         r8a7778_register_scif(5);
506         r8a7778_register_i2c(0);
507         r8a7778_register_i2c(1);
508         r8a7778_register_i2c(2);
509         r8a7778_register_i2c(3);
510         r8a7778_register_hspi(0);
511         r8a7778_register_hspi(1);
512         r8a7778_register_hspi(2);
513
514         r8a7778_register_hpb_dmae();
515 }
516
517 void __init r8a7778_init_late(void)
518 {
519         shmobile_init_late();
520         platform_device_register_full(&ehci_info);
521         platform_device_register_full(&ohci_info);
522 }
523
524 static struct renesas_intc_irqpin_config irqpin_platform_data __initdata = {
525         .irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */
526         .sense_bitfield_width = 2,
527 };
528
529 static struct resource irqpin_resources[] __initdata = {
530         DEFINE_RES_MEM(0xfe78001c, 4), /* ICR1 */
531         DEFINE_RES_MEM(0xfe780010, 4), /* INTPRI */
532         DEFINE_RES_MEM(0xfe780024, 4), /* INTREQ */
533         DEFINE_RES_MEM(0xfe780044, 4), /* INTMSK0 */
534         DEFINE_RES_MEM(0xfe780064, 4), /* INTMSKCLR0 */
535         DEFINE_RES_IRQ(gic_iid(0x3b)), /* IRQ0 */
536         DEFINE_RES_IRQ(gic_iid(0x3c)), /* IRQ1 */
537         DEFINE_RES_IRQ(gic_iid(0x3d)), /* IRQ2 */
538         DEFINE_RES_IRQ(gic_iid(0x3e)), /* IRQ3 */
539 };
540
541 void __init r8a7778_init_irq_extpin_dt(int irlm)
542 {
543         void __iomem *icr0 = ioremap_nocache(0xfe780000, PAGE_SIZE);
544         unsigned long tmp;
545
546         if (!icr0) {
547                 pr_warn("r8a7778: unable to setup external irq pin mode\n");
548                 return;
549         }
550
551         tmp = ioread32(icr0);
552         if (irlm)
553                 tmp |= 1 << 23; /* IRQ0 -> IRQ3 as individual pins */
554         else
555                 tmp &= ~(1 << 23); /* IRL mode - not supported */
556         tmp |= (1 << 21); /* LVLMODE = 1 */
557         iowrite32(tmp, icr0);
558         iounmap(icr0);
559 }
560
561 void __init r8a7778_init_irq_extpin(int irlm)
562 {
563         r8a7778_init_irq_extpin_dt(irlm);
564         if (irlm)
565                 platform_device_register_resndata(
566                         NULL, "renesas_intc_irqpin", -1,
567                         irqpin_resources, ARRAY_SIZE(irqpin_resources),
568                         &irqpin_platform_data, sizeof(irqpin_platform_data));
569 }
570
571 #ifdef CONFIG_USE_OF
572 #define INT2SMSKCR0     0x82288 /* 0xfe782288 */
573 #define INT2SMSKCR1     0x8228c /* 0xfe78228c */
574
575 #define INT2NTSR0       0x00018 /* 0xfe700018 */
576 #define INT2NTSR1       0x0002c /* 0xfe70002c */
577 void __init r8a7778_init_irq_dt(void)
578 {
579         void __iomem *base = ioremap_nocache(0xfe700000, 0x00100000);
580
581         BUG_ON(!base);
582
583         irqchip_init();
584
585         /* route all interrupts to ARM */
586         __raw_writel(0x73ffffff, base + INT2NTSR0);
587         __raw_writel(0xffffffff, base + INT2NTSR1);
588
589         /* unmask all known interrupts in INTCS2 */
590         __raw_writel(0x08330773, base + INT2SMSKCR0);
591         __raw_writel(0x00311110, base + INT2SMSKCR1);
592
593         iounmap(base);
594 }
595
596 static const char *r8a7778_compat_dt[] __initdata = {
597         "renesas,r8a7778",
598         NULL,
599 };
600
601 DT_MACHINE_START(R8A7778_DT, "Generic R8A7778 (Flattened Device Tree)")
602         .init_early     = shmobile_init_delay,
603         .init_irq       = r8a7778_init_irq_dt,
604         .init_late      = shmobile_init_late,
605         .dt_compat      = r8a7778_compat_dt,
606 MACHINE_END
607
608 #endif /* CONFIG_USE_OF */