summaryrefslogtreecommitdiff
path: root/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
blob: ec2104b49ef75944b91ec3acd5ffa1d0623abcf6 (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
/*
 * SH4-202 Setup
 *
 *  Copyright (C) 2006  Paul Mundt
 *  Copyright (C) 2009  Magnus Damm
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */
#include <linux/platform_device.h>
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/serial_sci.h>
#include <linux/sh_timer.h>
#include <linux/io.h>

static struct plat_sci_port sci_platform_data[] = {
	{
		.mapbase	= 0xffe80000,
		.flags		= UPF_BOOT_AUTOCONF,
		.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
		.scbrr_algo_id	= SCBRR_ALGO_2,
		.type		= PORT_SCIF,
		.irqs		= { 40, 41, 43, 42 },
	}, {
		.flags = 0,
	}
};

static struct platform_device sci_device = {
	.name		= "sh-sci",
	.id		= -1,
	.dev		= {
		.platform_data	= sci_platform_data,
	},
};

static struct sh_timer_config tmu0_platform_data = {
	.name = "TMU0",
	.channel_offset = 0x04,
	.timer_bit = 0,
	.clk = "peripheral_clk",
	.clockevent_rating = 200,
};

static struct resource tmu0_resources[] = {
	[0] = {
		.name	= "TMU0",
		.start	= 0xffd80008,
		.end	= 0xffd80013,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= 16,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device tmu0_device = {
	.name		= "sh_tmu",
	.id		= 0,
	.dev = {
		.platform_data	= &tmu0_platform_data,
	},
	.resource	= tmu0_resources,
	.num_resources	= ARRAY_SIZE(tmu0_resources),
};

static struct sh_timer_config tmu1_platform_data = {
	.name = "TMU1",
	.channel_offset = 0x10,
	.timer_bit = 1,
	.clk = "peripheral_clk",
	.clocksource_rating = 200,
};

static struct resource tmu1_resources[] = {
	[0] = {
		.name	= "TMU1",
		.start	= 0xffd80014,
		.end	= 0xffd8001f,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= 17,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device tmu1_device = {
	.name		= "sh_tmu",
	.id		= 1,
	.dev = {
		.platform_data	= &tmu1_platform_data,
	},
	.resource	= tmu1_resources,
	.num_resources	= ARRAY_SIZE(tmu1_resources),
};

static struct sh_timer_config tmu2_platform_data = {
	.name = "TMU2",
	.channel_offset = 0x1c,
	.timer_bit = 2,
	.clk = "peripheral_clk",
};

static struct resource tmu2_resources[] = {
	[0] = {
		.name	= "TMU2",
		.start	= 0xffd80020,
		.end	= 0xffd8002f,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= 18,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device tmu2_device = {
	.name		= "sh_tmu",
	.id		= 2,
	.dev = {
		.platform_data	= &tmu2_platform_data,
	},
	.resource	= tmu2_resources,
	.num_resources	= ARRAY_SIZE(tmu2_resources),
};

static struct platform_device *sh4202_devices[] __initdata = {
	&sci_device,
	&tmu0_device,
	&tmu1_device,
	&tmu2_device,
};

static int __init sh4202_devices_setup(void)
{
	return platform_add_devices(sh4202_devices,
				    ARRAY_SIZE(sh4202_devices));
}
__initcall(sh4202_devices_setup);

static struct platform_device *sh4202_early_devices[] __initdata = {
	&tmu0_device,
	&tmu1_device,
	&tmu2_device,
};

void __init plat_early_device_setup(void)
{
	early_platform_add_devices(sh4202_early_devices,
				   ARRAY_SIZE(sh4202_early_devices));
}

enum {
	UNUSED = 0,

	/* interrupt sources */
	IRL0, IRL1, IRL2, IRL3, /* only IRLM mode supported */
	HUDI, TMU0, TMU1, TMU2, RTC, SCIF, WDT,
};

static struct intc_vect vectors[] __initdata = {
	INTC_VECT(HUDI, 0x600),
	INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
	INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2, 0x460),
	INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
	INTC_VECT(RTC, 0x4c0),
	INTC_VECT(SCIF, 0x700), INTC_VECT(SCIF, 0x720),
	INTC_VECT(SCIF, 0x740), INTC_VECT(SCIF, 0x760),
	INTC_VECT(WDT, 0x560),
};

static struct intc_prio_reg prio_registers[] __initdata = {
	{ 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
	{ 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, 0, 0, 0 } },
	{ 0xffd0000c, 0, 16, 4, /* IPRC */ { 0, 0, SCIF, HUDI } },
	{ 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } },
};

static DECLARE_INTC_DESC(intc_desc, "sh4-202", vectors, NULL,
			 NULL, prio_registers, NULL);

static struct intc_vect vectors_irlm[] __initdata = {
	INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0),
	INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360),
};

static DECLARE_INTC_DESC(intc_desc_irlm, "sh4-202_irlm", vectors_irlm, NULL,
			 NULL, prio_registers, NULL);

void __init plat_irq_setup(void)
{
	register_intc_controller(&intc_desc);
}

#define INTC_ICR	0xffd00000UL
#define INTC_ICR_IRLM   (1<<7)

void __init plat_irq_setup_pins(int mode)
{
	switch (mode) {
	case IRQ_MODE_IRQ: /* individual interrupt mode for IRL3-0 */
		ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
		register_intc_controller(&intc_desc_irlm);
		break;
	default:
		BUG();
	}
}