summaryrefslogtreecommitdiffstats
path: root/arch/sh/kernel/cpu/sh2/setup-sh7619.c
blob: 13798733f2db93f6db46bf40d4347a3162fcde75 (plain)
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
/*
 * SH7619 Setup
 *
 *  Copyright (C) 2006  Yoshinori Sato
 *  Copyright (C) 2009  Paul Mundt
 *
 * 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>

enum {
	UNUSED = 0,

	/* interrupt sources */
	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
	WDT, EDMAC, CMT0, CMT1,
	SCIF0, SCIF1, SCIF2,
	HIF_HIFI, HIF_HIFBI,
	DMAC0, DMAC1, DMAC2, DMAC3,
	SIOF,
};

static struct intc_vect vectors[] __initdata = {
	INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
	INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
	INTC_IRQ(IRQ4, 80), INTC_IRQ(IRQ5, 81),
	INTC_IRQ(IRQ6, 82), INTC_IRQ(IRQ7, 83),
	INTC_IRQ(WDT, 84), INTC_IRQ(EDMAC, 85),
	INTC_IRQ(CMT0, 86), INTC_IRQ(CMT1, 87),
	INTC_IRQ(SCIF0, 88), INTC_IRQ(SCIF0, 89),
	INTC_IRQ(SCIF0, 90), INTC_IRQ(SCIF0, 91),
	INTC_IRQ(SCIF1, 92), INTC_IRQ(SCIF1, 93),
	INTC_IRQ(SCIF1, 94), INTC_IRQ(SCIF1, 95),
	INTC_IRQ(SCIF2, 96), INTC_IRQ(SCIF2, 97),
	INTC_IRQ(SCIF2, 98), INTC_IRQ(SCIF2, 99),
	INTC_IRQ(HIF_HIFI, 100), INTC_IRQ(HIF_HIFBI, 101),
	INTC_IRQ(DMAC0, 104), INTC_IRQ(DMAC1, 105),
	INTC_IRQ(DMAC2, 106), INTC_IRQ(DMAC3, 107),
	INTC_IRQ(SIOF, 108),
};

static struct intc_prio_reg prio_registers[] __initdata = {
	{ 0xf8140006, 0, 16, 4, /* IPRA */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
	{ 0xf8140008, 0, 16, 4, /* IPRB */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
	{ 0xf8080000, 0, 16, 4, /* IPRC */ { WDT, EDMAC, CMT0, CMT1 } },
	{ 0xf8080002, 0, 16, 4, /* IPRD */ { SCIF0, SCIF1, SCIF2 } },
	{ 0xf8080004, 0, 16, 4, /* IPRE */ { HIF_HIFI, HIF_HIFBI } },
	{ 0xf8080006, 0, 16, 4, /* IPRF */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
	{ 0xf8080008, 0, 16, 4, /* IPRG */ { SIOF } },
};

static DECLARE_INTC_DESC(intc_desc, "sh7619", vectors, NULL,
			 NULL, prio_registers, NULL);

static struct plat_sci_port sci_platform_data[] = {
	{
		.mapbase	= 0xf8400000,
		.flags		= UPF_BOOT_AUTOCONF,
		.type		= PORT_SCIF,
		.irqs		= { 88, 88, 88, 88 },
	}, {
		.mapbase	= 0xf8410000,
		.flags		= UPF_BOOT_AUTOCONF,
		.type		= PORT_SCIF,
		.irqs		= { 92, 92, 92, 92 },
	}, {
		.mapbase	= 0xf8420000,
		.flags		= UPF_BOOT_AUTOCONF,
		.type		= PORT_SCIF,
		.irqs		= { 96, 96, 96, 96 },
	}, {
		.flags = 0,
	}
};

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

static struct resource eth_resources[] = {
	[0] = {
		.start = 0xfb000000,
		.end =   0xfb0001c8,
		.flags = IORESOURCE_MEM,
	},
	[1] = {
		.start = 85,
		.end = 85,
		.flags = IORESOURCE_IRQ,
	},
};

static struct platform_device eth_device = {
	.name = "sh-eth",
	.id	= -1,
	.dev = {
		.platform_data = (void *)1,
	},
	.num_resources = ARRAY_SIZE(eth_resources),
	.resource = eth_resources,
};

static struct sh_timer_config cmt0_platform_data = {
	.name = "CMT0",
	.channel_offset = 0x02,
	.timer_bit = 0,
	.clk = "peripheral_clk",
	.clockevent_rating = 125,
	.clocksource_rating = 0, /* disabled due to code generation issues */
};

static struct resource cmt0_resources[] = {
	[0] = {
		.name	= "CMT0",
		.start	= 0xf84a0072,
		.end	= 0xf84a0077,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= 86,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device cmt0_device = {
	.name		= "sh_cmt",
	.id		= 0,
	.dev = {
		.platform_data	= &cmt0_platform_data,
	},
	.resource	= cmt0_resources,
	.num_resources	= ARRAY_SIZE(cmt0_resources),
};

static struct sh_timer_config cmt1_platform_data = {
	.name = "CMT1",
	.channel_offset = 0x08,
	.timer_bit = 1,
	.clk = "peripheral_clk",
	.clockevent_rating = 125,
	.clocksource_rating = 0, /* disabled due to code generation issues */
};

static struct resource cmt1_resources[] = {
	[0] = {
		.name	= "CMT1",
		.start	= 0xf84a0078,
		.end	= 0xf84a007d,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= 87,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device cmt1_device = {
	.name		= "sh_cmt",
	.id		= 1,
	.dev = {
		.platform_data	= &cmt1_platform_data,
	},
	.resource	= cmt1_resources,
	.num_resources	= ARRAY_SIZE(cmt1_resources),
};

static struct platform_device *sh7619_devices[] __initdata = {
	&sci_device,
	&eth_device,
	&cmt0_device,
	&cmt1_device,
};

static int __init sh7619_devices_setup(void)
{
	return platform_add_devices(sh7619_devices,
				    ARRAY_SIZE(sh7619_devices));
}
__initcall(sh7619_devices_setup);

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

static struct platform_device *sh7619_early_devices[] __initdata = {
	&cmt0_device,
	&cmt1_device,
};

#define STBCR3 0xf80a0000

void __init plat_early_device_setup(void)
{
	/* enable CMT clock */
	__raw_writeb(__raw_readb(STBCR3) & ~0x10, STBCR3);

	early_platform_add_devices(sh7619_early_devices,
				   ARRAY_SIZE(sh7619_early_devices));
}