• Home
  • History
  • Annotate
  • Line#
  • Navigate
  • Raw
  • Download
  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6.36/arch/sh/kernel/cpu/sh2a/
1/*
2 * Renesas MX-G (R8A03022BG) Setup
3 *
4 *  Copyright (C) 2008, 2009  Paul Mundt
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License.  See the file "COPYING" in the main directory of this archive
8 * for more details.
9 */
10#include <linux/platform_device.h>
11#include <linux/init.h>
12#include <linux/serial.h>
13#include <linux/serial_sci.h>
14#include <linux/sh_timer.h>
15
16enum {
17	UNUSED = 0,
18
19	/* interrupt sources */
20	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
21	IRQ8, IRQ9, IRQ10, IRQ11, IRQ12, IRQ13, IRQ14, IRQ15,
22
23	PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
24	SINT8, SINT7, SINT6, SINT5, SINT4, SINT3, SINT2, SINT1,
25
26	SCIF0, SCIF1,
27
28	MTU2_GROUP1, MTU2_GROUP2, MTU2_GROUP3, MTU2_GROUP4, MTU2_GROUP5,
29	MTU2_TGI3B, MTU2_TGI3C,
30
31	/* interrupt groups */
32	PINT,
33};
34
35static struct intc_vect vectors[] __initdata = {
36	INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
37	INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
38	INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
39	INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
40	INTC_IRQ(IRQ8, 72), INTC_IRQ(IRQ9, 73),
41	INTC_IRQ(IRQ10, 74), INTC_IRQ(IRQ11, 75),
42	INTC_IRQ(IRQ12, 76), INTC_IRQ(IRQ13, 77),
43	INTC_IRQ(IRQ14, 78), INTC_IRQ(IRQ15, 79),
44
45	INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
46	INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
47	INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
48	INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
49
50	INTC_IRQ(SINT8, 94), INTC_IRQ(SINT7, 95),
51	INTC_IRQ(SINT6, 96), INTC_IRQ(SINT5, 97),
52	INTC_IRQ(SINT4, 98), INTC_IRQ(SINT3, 99),
53	INTC_IRQ(SINT2, 100), INTC_IRQ(SINT1, 101),
54
55	INTC_IRQ(SCIF0, 220), INTC_IRQ(SCIF0, 221),
56	INTC_IRQ(SCIF0, 222), INTC_IRQ(SCIF0, 223),
57	INTC_IRQ(SCIF1, 224), INTC_IRQ(SCIF1, 225),
58	INTC_IRQ(SCIF1, 226), INTC_IRQ(SCIF1, 227),
59
60	INTC_IRQ(MTU2_GROUP1, 228), INTC_IRQ(MTU2_GROUP1, 229),
61	INTC_IRQ(MTU2_GROUP1, 230), INTC_IRQ(MTU2_GROUP1, 231),
62	INTC_IRQ(MTU2_GROUP1, 232), INTC_IRQ(MTU2_GROUP1, 233),
63
64	INTC_IRQ(MTU2_GROUP2, 234), INTC_IRQ(MTU2_GROUP2, 235),
65	INTC_IRQ(MTU2_GROUP2, 236), INTC_IRQ(MTU2_GROUP2, 237),
66	INTC_IRQ(MTU2_GROUP2, 238), INTC_IRQ(MTU2_GROUP2, 239),
67
68	INTC_IRQ(MTU2_GROUP3, 240), INTC_IRQ(MTU2_GROUP3, 241),
69	INTC_IRQ(MTU2_GROUP3, 242), INTC_IRQ(MTU2_GROUP3, 243),
70
71	INTC_IRQ(MTU2_TGI3B, 244),
72	INTC_IRQ(MTU2_TGI3C, 245),
73
74	INTC_IRQ(MTU2_GROUP4, 246), INTC_IRQ(MTU2_GROUP4, 247),
75	INTC_IRQ(MTU2_GROUP4, 248), INTC_IRQ(MTU2_GROUP4, 249),
76	INTC_IRQ(MTU2_GROUP4, 250), INTC_IRQ(MTU2_GROUP4, 251),
77
78	INTC_IRQ(MTU2_GROUP5, 252), INTC_IRQ(MTU2_GROUP5, 253),
79	INTC_IRQ(MTU2_GROUP5, 254), INTC_IRQ(MTU2_GROUP5, 255),
80};
81
82static struct intc_group groups[] __initdata = {
83	INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
84		   PINT4, PINT5, PINT6, PINT7),
85};
86
87static struct intc_prio_reg prio_registers[] __initdata = {
88	{ 0xfffd9418, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
89	{ 0xfffd941a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
90	{ 0xfffd941c, 0, 16, 4, /* IPR03 */ { IRQ8, IRQ9, IRQ10, IRQ11 } },
91	{ 0xfffd941e, 0, 16, 4, /* IPR04 */ { IRQ12, IRQ13, IRQ14, IRQ15 } },
92	{ 0xfffd9420, 0, 16, 4, /* IPR05 */ { PINT, 0, 0, 0 } },
93	{ 0xfffd9800, 0, 16, 4, /* IPR06 */ { } },
94	{ 0xfffd9802, 0, 16, 4, /* IPR07 */ { } },
95	{ 0xfffd9804, 0, 16, 4, /* IPR08 */ { } },
96	{ 0xfffd9806, 0, 16, 4, /* IPR09 */ { } },
97	{ 0xfffd9808, 0, 16, 4, /* IPR10 */ { } },
98	{ 0xfffd980a, 0, 16, 4, /* IPR11 */ { } },
99	{ 0xfffd980c, 0, 16, 4, /* IPR12 */ { } },
100	{ 0xfffd980e, 0, 16, 4, /* IPR13 */ { } },
101	{ 0xfffd9810, 0, 16, 4, /* IPR14 */ { 0, 0, 0, SCIF0 } },
102	{ 0xfffd9812, 0, 16, 4, /* IPR15 */
103		{ SCIF1, MTU2_GROUP1, MTU2_GROUP2, MTU2_GROUP3 } },
104	{ 0xfffd9814, 0, 16, 4, /* IPR16 */
105		{ MTU2_TGI3B, MTU2_TGI3C, MTU2_GROUP4, MTU2_GROUP5 } },
106};
107
108static struct intc_mask_reg mask_registers[] __initdata = {
109	{ 0xfffd9408, 0, 16, /* PINTER */
110	  { 0, 0, 0, 0, 0, 0, 0, 0,
111	    PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
112};
113
114static DECLARE_INTC_DESC(intc_desc, "mxg", vectors, groups,
115			 mask_registers, prio_registers, NULL);
116
117static struct sh_timer_config mtu2_0_platform_data = {
118	.channel_offset = -0x80,
119	.timer_bit = 0,
120	.clockevent_rating = 200,
121};
122
123static struct resource mtu2_0_resources[] = {
124	[0] = {
125		.start	= 0xff801300,
126		.end	= 0xff801326,
127		.flags	= IORESOURCE_MEM,
128	},
129	[1] = {
130		.start	= 228,
131		.flags	= IORESOURCE_IRQ,
132	},
133};
134
135static struct platform_device mtu2_0_device = {
136	.name		= "sh_mtu2",
137	.id		= 0,
138	.dev = {
139		.platform_data	= &mtu2_0_platform_data,
140	},
141	.resource	= mtu2_0_resources,
142	.num_resources	= ARRAY_SIZE(mtu2_0_resources),
143};
144
145static struct sh_timer_config mtu2_1_platform_data = {
146	.channel_offset = -0x100,
147	.timer_bit = 1,
148	.clockevent_rating = 200,
149};
150
151static struct resource mtu2_1_resources[] = {
152	[0] = {
153		.start	= 0xff801380,
154		.end	= 0xff801390,
155		.flags	= IORESOURCE_MEM,
156	},
157	[1] = {
158		.start	= 234,
159		.flags	= IORESOURCE_IRQ,
160	},
161};
162
163static struct platform_device mtu2_1_device = {
164	.name		= "sh_mtu2",
165	.id		= 1,
166	.dev = {
167		.platform_data	= &mtu2_1_platform_data,
168	},
169	.resource	= mtu2_1_resources,
170	.num_resources	= ARRAY_SIZE(mtu2_1_resources),
171};
172
173static struct sh_timer_config mtu2_2_platform_data = {
174	.channel_offset = 0x80,
175	.timer_bit = 2,
176	.clockevent_rating = 200,
177};
178
179static struct resource mtu2_2_resources[] = {
180	[0] = {
181		.start	= 0xff801000,
182		.end	= 0xff80100a,
183		.flags	= IORESOURCE_MEM,
184	},
185	[1] = {
186		.start	= 240,
187		.flags	= IORESOURCE_IRQ,
188	},
189};
190
191static struct platform_device mtu2_2_device = {
192	.name		= "sh_mtu2",
193	.id		= 2,
194	.dev = {
195		.platform_data	= &mtu2_2_platform_data,
196	},
197	.resource	= mtu2_2_resources,
198	.num_resources	= ARRAY_SIZE(mtu2_2_resources),
199};
200
201static struct plat_sci_port scif0_platform_data = {
202	.mapbase	= 0xff804000,
203	.flags		= UPF_BOOT_AUTOCONF,
204	.type		= PORT_SCIF,
205	.irqs		= { 220, 220, 220, 220 },
206};
207
208static struct platform_device scif0_device = {
209	.name		= "sh-sci",
210	.id		= 0,
211	.dev		= {
212		.platform_data	= &scif0_platform_data,
213	},
214};
215
216static struct platform_device *mxg_devices[] __initdata = {
217	&scif0_device,
218	&mtu2_0_device,
219	&mtu2_1_device,
220	&mtu2_2_device,
221};
222
223static int __init mxg_devices_setup(void)
224{
225	return platform_add_devices(mxg_devices,
226				    ARRAY_SIZE(mxg_devices));
227}
228arch_initcall(mxg_devices_setup);
229
230void __init plat_irq_setup(void)
231{
232	register_intc_controller(&intc_desc);
233}
234
235static struct platform_device *mxg_early_devices[] __initdata = {
236	&scif0_device,
237	&mtu2_0_device,
238	&mtu2_1_device,
239	&mtu2_2_device,
240};
241
242void __init plat_early_device_setup(void)
243{
244	early_platform_add_devices(mxg_early_devices,
245				   ARRAY_SIZE(mxg_early_devices));
246}
247