aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-shmobile/setup-r8a7790.c
blob: 4212c8de987acf0e92ea8d2a91a6155ebaf899a5 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
/*
 * r8a7790 processor support
 *
 * Copyright (C) 2013  Renesas Solutions Corp.
 * Copyright (C) 2013  Magnus Damm
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/of_platform.h>
#include <linux/platform_data/gpio-rcar.h>
#include <linux/platform_data/irq-renesas-irqc.h>
#include <linux/serial_sci.h>
#include <linux/sh_dma.h>
#include <linux/sh_timer.h>
#include <mach/r8a7790.h>
#include <asm/mach/arch.h>
#include "common.h"
#include "dma-register.h"
#include "irqs.h"
#include "rcar-gen2.h"

/* Audio-DMAC */
#define AUDIO_DMAC_SLAVE(_id, _addr, t, r)			\
{								\
	.slave_id	= AUDIO_DMAC_SLAVE_## _id ##_TX,	\
	.addr		= _addr + 0x8,				\
	.chcr		= CHCR_TX(XMIT_SZ_32BIT),		\
	.mid_rid	= t,					\
}, {								\
	.slave_id	= AUDIO_DMAC_SLAVE_## _id ##_RX,	\
	.addr		= _addr + 0xc,				\
	.chcr		= CHCR_RX(XMIT_SZ_32BIT),		\
	.mid_rid	= r,					\
}

static const struct sh_dmae_slave_config r8a7790_audio_dmac_slaves[] = {
	AUDIO_DMAC_SLAVE(SSI0, 0xec241000, 0x01, 0x02),
	AUDIO_DMAC_SLAVE(SSI1, 0xec241040, 0x03, 0x04),
	AUDIO_DMAC_SLAVE(SSI2, 0xec241080, 0x05, 0x06),
	AUDIO_DMAC_SLAVE(SSI3, 0xec2410c0, 0x07, 0x08),
	AUDIO_DMAC_SLAVE(SSI4, 0xec241100, 0x09, 0x0a),
	AUDIO_DMAC_SLAVE(SSI5, 0xec241140, 0x0b, 0x0c),
	AUDIO_DMAC_SLAVE(SSI6, 0xec241180, 0x0d, 0x0e),
	AUDIO_DMAC_SLAVE(SSI7, 0xec2411c0, 0x0f, 0x10),
	AUDIO_DMAC_SLAVE(SSI8, 0xec241200, 0x11, 0x12),
	AUDIO_DMAC_SLAVE(SSI9, 0xec241240, 0x13, 0x14),
};

#define DMAE_CHANNEL(a, b)			\
{						\
	.offset		= (a) - 0x20,		\
	.dmars		= (a) - 0x20 + 0x40,	\
	.chclr_bit	= (b),			\
	.chclr_offset	= 0x80 - 0x20,		\
}

static const struct sh_dmae_channel r8a7790_audio_dmac_channels[] = {
	DMAE_CHANNEL(0x8000, 0),
	DMAE_CHANNEL(0x8080, 1),
	DMAE_CHANNEL(0x8100, 2),
	DMAE_CHANNEL(0x8180, 3),
	DMAE_CHANNEL(0x8200, 4),
	DMAE_CHANNEL(0x8280, 5),
	DMAE_CHANNEL(0x8300, 6),
	DMAE_CHANNEL(0x8380, 7),
	DMAE_CHANNEL(0x8400, 8),
	DMAE_CHANNEL(0x8480, 9),
	DMAE_CHANNEL(0x8500, 10),
	DMAE_CHANNEL(0x8580, 11),
	DMAE_CHANNEL(0x8600, 12),
};

static struct sh_dmae_pdata r8a7790_audio_dmac_platform_data = {
	.slave		= r8a7790_audio_dmac_slaves,
	.slave_num	= ARRAY_SIZE(r8a7790_audio_dmac_slaves),
	.channel	= r8a7790_audio_dmac_channels,
	.channel_num	= ARRAY_SIZE(r8a7790_audio_dmac_channels),
	.ts_low_shift	= TS_LOW_SHIFT,
	.ts_low_mask	= TS_LOW_BIT << TS_LOW_SHIFT,
	.ts_high_shift	= TS_HI_SHIFT,
	.ts_high_mask	= TS_HI_BIT << TS_HI_SHIFT,
	.ts_shift	= dma_ts_shift,
	.ts_shift_num	= ARRAY_SIZE(dma_ts_shift),
	.dmaor_init	= DMAOR_DME,
	.chclr_present	= 1,
	.chclr_bitwise	= 1,
};

static struct resource r8a7790_audio_dmac_resources[] = {
	/* Channel registers and DMAOR for low */
	DEFINE_RES_MEM(0xec700020, 0x8663 - 0x20),
	DEFINE_RES_IRQ(gic_spi(346)),
	DEFINE_RES_NAMED(gic_spi(320), 13, NULL, IORESOURCE_IRQ),

	/* Channel registers and DMAOR for hi */
	DEFINE_RES_MEM(0xec720020, 0x8663 - 0x20), /* hi */
	DEFINE_RES_IRQ(gic_spi(347)),
	DEFINE_RES_NAMED(gic_spi(333), 13, NULL, IORESOURCE_IRQ),
};

#define r8a7790_register_audio_dmac(id)				\
	platform_device_register_resndata(			\
		&platform_bus, "sh-dma-engine", id,		\
		&r8a7790_audio_dmac_resources[id * 3],	3,	\
		&r8a7790_audio_dmac_platform_data,		\
		sizeof(r8a7790_audio_dmac_platform_data))

static const struct resource pfc_resources[] __initconst = {
	DEFINE_RES_MEM(0xe6060000, 0x250),
};

#define r8a7790_register_pfc()						\
	platform_device_register_simple("pfc-r8a7790", -1, pfc_resources, \
					ARRAY_SIZE(pfc_resources))

#define R8A7790_GPIO(idx)						\
static const struct resource r8a7790_gpio##idx##_resources[] __initconst = { \
	DEFINE_RES_MEM(0xe6050000 + 0x1000 * (idx), 0x50),		\
	DEFINE_RES_IRQ(gic_spi(4 + (idx))),				\
};									\
									\
static const struct gpio_rcar_config					\
r8a7790_gpio##idx##_platform_data __initconst = {			\
	.gpio_base	= 32 * (idx),					\
	.irq_base	= 0,						\
	.number_of_pins	= 32,						\
	.pctl_name	= "pfc-r8a7790",				\
	.has_both_edge_trigger = 1,					\
};									\

R8A7790_GPIO(0);
R8A7790_GPIO(1);
R8A7790_GPIO(2);
R8A7790_GPIO(3);
R8A7790_GPIO(4);
R8A7790_GPIO(5);

#define r8a7790_register_gpio(idx)					\
	platform_device_register_resndata(&platform_bus, "gpio_rcar", idx, \
		r8a7790_gpio##idx##_resources,				\
		ARRAY_SIZE(r8a7790_gpio##idx##_resources),		\
		&r8a7790_gpio##idx##_platform_data,			\
		sizeof(r8a7790_gpio##idx##_platform_data))

static struct resource i2c_resources[] __initdata = {
	/* I2C0 */
	DEFINE_RES_MEM(0xE6508000, 0x40),
	DEFINE_RES_IRQ(gic_spi(287)),
	/* I2C1 */
	DEFINE_RES_MEM(0xE6518000, 0x40),
	DEFINE_RES_IRQ(gic_spi(288)),
	/* I2C2 */
	DEFINE_RES_MEM(0xE6530000, 0x40),
	DEFINE_RES_IRQ(gic_spi(286)),
	/* I2C3 */
	DEFINE_RES_MEM(0xE6540000, 0x40),
	DEFINE_RES_IRQ(gic_spi(290)),

};

#define r8a7790_register_i2c(idx)		\
	platform_device_register_simple(	\
		"i2c-rcar_gen2", idx,		\
		i2c_resources + (2 * idx), 2);	\

void __init r8a7790_pinmux_init(void)
{
	r8a7790_register_pfc();
	r8a7790_register_gpio(0);
	r8a7790_register_gpio(1);
	r8a7790_register_gpio(2);
	r8a7790_register_gpio(3);
	r8a7790_register_gpio(4);
	r8a7790_register_gpio(5);
}

#define __R8A7790_SCIF(scif_type, _scscr, index, baseaddr, irq)		\
static struct plat_sci_port scif##index##_platform_data = {		\
	.type		= scif_type,					\
	.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,		\
	.scscr		= _scscr,					\
};									\
									\
static struct resource scif##index##_resources[] = {			\
	DEFINE_RES_MEM(baseaddr, 0x100),				\
	DEFINE_RES_IRQ(irq),						\
}

#define R8A7790_SCIF(index, baseaddr, irq)				\
	__R8A7790_SCIF(PORT_SCIF, SCSCR_RE | SCSCR_TE,			\
		       index, baseaddr, irq)

#define R8A7790_SCIFA(index, baseaddr, irq)				\
	__R8A7790_SCIF(PORT_SCIFA, SCSCR_RE | SCSCR_TE | SCSCR_CKE0,	\
		       index, baseaddr, irq)

#define R8A7790_SCIFB(index, baseaddr, irq)				\
	__R8A7790_SCIF(PORT_SCIFB, SCSCR_RE | SCSCR_TE,			\
		       index, baseaddr, irq)

#define R8A7790_HSCIF(index, baseaddr, irq)				\
	__R8A7790_SCIF(PORT_HSCIF, SCSCR_RE | SCSCR_TE,			\
		       index, baseaddr, irq)

R8A7790_SCIFA(0, 0xe6c40000, gic_spi(144)); /* SCIFA0 */
R8A7790_SCIFA(1, 0xe6c50000, gic_spi(145)); /* SCIFA1 */
R8A7790_SCIFB(2, 0xe6c20000, gic_spi(148)); /* SCIFB0 */
R8A7790_SCIFB(3, 0xe6c30000, gic_spi(149)); /* SCIFB1 */
R8A7790_SCIFB(4, 0xe6ce0000, gic_spi(150)); /* SCIFB2 */
R8A7790_SCIFA(5, 0xe6c60000, gic_spi(151)); /* SCIFA2 */
R8A7790_SCIF(6,  0xe6e60000, gic_spi(152)); /* SCIF0 */
R8A7790_SCIF(7,  0xe6e68000, gic_spi(153)); /* SCIF1 */
R8A7790_HSCIF(8, 0xe62c0000, gic_spi(154)); /* HSCIF0 */
R8A7790_HSCIF(9, 0xe62c8000, gic_spi(155)); /* HSCIF1 */

#define r8a7790_register_scif(index)					       \
	platform_device_register_resndata(&platform_bus, "sh-sci", index,      \
					  scif##index##_resources,	       \
					  ARRAY_SIZE(scif##index##_resources), \
					  &scif##index##_platform_data,	       \
					  sizeof(scif##index##_platform_data))

static const struct renesas_irqc_config irqc0_data __initconst = {
	.irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */
};

static const struct resource irqc0_resources[] __initconst = {
	DEFINE_RES_MEM(0xe61c0000, 0x200), /* IRQC Event Detector Block_0 */
	DEFINE_RES_IRQ(gic_spi(0)), /* IRQ0 */
	DEFINE_RES_IRQ(gic_spi(1)), /* IRQ1 */
	DEFINE_RES_IRQ(gic_spi(2)), /* IRQ2 */
	DEFINE_RES_IRQ(gic_spi(3)), /* IRQ3 */
};

#define r8a7790_register_irqc(idx)					\
	platform_device_register_resndata(&platform_bus, "renesas_irqc", \
					  idx, irqc##idx##_resources,	\
					  ARRAY_SIZE(irqc##idx##_resources), \
					  &irqc##idx##_data,		\
					  sizeof(struct renesas_irqc_config))

static const struct resource thermal_resources[] __initconst = {
	DEFINE_RES_MEM(0xe61f0000, 0x14),
	DEFINE_RES_MEM(0xe61f0100, 0x38),
	DEFINE_RES_IRQ(gic_spi(69)),
};

#define r8a7790_register_thermal()					\
	platform_device_register_simple("rcar_thermal", -1,		\
					thermal_resources,		\
					ARRAY_SIZE(thermal_resources))

static struct sh_timer_config cmt0_platform_data = {
	.channels_mask = 0x60,
};

static struct resource cmt0_resources[] = {
	DEFINE_RES_MEM(0xffca0000, 0x1004),
	DEFINE_RES_IRQ(gic_spi(142)),
};

#define r8a7790_register_cmt(idx)					\
	platform_device_register_resndata(&platform_bus, "sh-cmt-48-gen2", \
					  idx, cmt##idx##_resources,	\
					  ARRAY_SIZE(cmt##idx##_resources), \
					  &cmt##idx##_platform_data,	\
					  sizeof(struct sh_timer_config))

void __init r8a7790_add_dt_devices(void)
{
	r8a7790_register_cmt(0);
}

void __init r8a7790_add_standard_devices(void)
{
	r8a7790_register_scif(0);
	r8a7790_register_scif(1);
	r8a7790_register_scif(2);
	r8a7790_register_scif(3);
	r8a7790_register_scif(4);
	r8a7790_register_scif(5);
	r8a7790_register_scif(6);
	r8a7790_register_scif(7);
	r8a7790_register_scif(8);
	r8a7790_register_scif(9);
	r8a7790_add_dt_devices();
	r8a7790_register_irqc(0);
	r8a7790_register_thermal();
	r8a7790_register_i2c(0);
	r8a7790_register_i2c(1);
	r8a7790_register_i2c(2);
	r8a7790_register_i2c(3);
	r8a7790_register_audio_dmac(0);
	r8a7790_register_audio_dmac(1);
}

void __init r8a7790_init_early(void)
{
#ifndef CONFIG_ARM_ARCH_TIMER
	shmobile_setup_delay(1300, 2, 4); /* Cortex-A15 @ 1300MHz */
#endif
}

#ifdef CONFIG_USE_OF

static const char * const r8a7790_boards_compat_dt[] __initconst = {
	"renesas,r8a7790",
	NULL,
};

DT_MACHINE_START(R8A7790_DT, "Generic R8A7790 (Flattened Device Tree)")
	.smp		= smp_ops(r8a7790_smp_ops),
	.init_early	= r8a7790_init_early,
	.init_time	= rcar_gen2_timer_init,
	.dt_compat	= r8a7790_boards_compat_dt,
MACHINE_END
#endif /* CONFIG_USE_OF */