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  • only in /netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/arch/sh/kernel/cpu/sh2a/
1/*
2 *  SH7201 setup
3 *
4 *  Copyright (C) 2008  Peter Griffin pgriffin@mpc-data.co.uk
5 *  Copyright (C) 2009  Paul Mundt
6 *
7 * This file is subject to the terms and conditions of the GNU General Public
8 * License.  See the file "COPYING" in the main directory of this archive
9 * for more details.
10 */
11#include <linux/platform_device.h>
12#include <linux/init.h>
13#include <linux/serial.h>
14#include <linux/serial_sci.h>
15#include <linux/sh_timer.h>
16#include <linux/io.h>
17
18enum {
19	UNUSED = 0,
20
21	/* interrupt sources */
22	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
23	PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
24
25	ADC_ADI,
26
27	MTU20_ABCD, MTU20_VEF, MTU21_AB, MTU21_VU, MTU22_AB, MTU22_VU,
28	MTU23_ABCD, MTU24_ABCD, MTU25_UVW, MTU2_TCI3V, MTU2_TCI4V,
29
30	RTC, WDT,
31
32	IIC30, IIC31, IIC32,
33
34	DMAC0_DMINT0, DMAC1_DMINT1,
35	DMAC2_DMINT2, DMAC3_DMINT3,
36
37	SCIF0, SCIF1, SCIF2, SCIF3, SCIF4, SCIF5, SCIF6, SCIF7,
38
39	DMAC0_DMINTA, DMAC4_DMINT4, DMAC5_DMINT5, DMAC6_DMINT6,
40	DMAC7_DMINT7,
41
42	RCAN0, RCAN1,
43
44	SSI0_SSII, SSI1_SSII,
45
46	TMR0, TMR1,
47
48	/* interrupt groups */
49	PINT,
50};
51
52static struct intc_vect vectors[] __initdata = {
53	INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
54	INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
55	INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
56	INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
57
58	INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
59	INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
60	INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
61	INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
62
63	INTC_IRQ(ADC_ADI, 92),
64
65	INTC_IRQ(MTU20_ABCD, 108), INTC_IRQ(MTU20_ABCD, 109),
66	INTC_IRQ(MTU20_ABCD, 110), INTC_IRQ(MTU20_ABCD, 111),
67
68	INTC_IRQ(MTU20_VEF, 112), INTC_IRQ(MTU20_VEF, 113),
69	INTC_IRQ(MTU20_VEF, 114),
70
71	INTC_IRQ(MTU21_AB, 116), INTC_IRQ(MTU21_AB, 117),
72	INTC_IRQ(MTU21_VU, 120), INTC_IRQ(MTU21_VU, 121),
73
74	INTC_IRQ(MTU22_AB, 124), INTC_IRQ(MTU22_AB, 125),
75	INTC_IRQ(MTU22_VU, 128), INTC_IRQ(MTU22_VU, 129),
76
77	INTC_IRQ(MTU23_ABCD, 132), INTC_IRQ(MTU23_ABCD, 133),
78	INTC_IRQ(MTU23_ABCD, 134), INTC_IRQ(MTU23_ABCD, 135),
79
80	INTC_IRQ(MTU2_TCI3V, 136),
81
82	INTC_IRQ(MTU24_ABCD, 140), INTC_IRQ(MTU24_ABCD, 141),
83	INTC_IRQ(MTU24_ABCD, 142), INTC_IRQ(MTU24_ABCD, 143),
84
85	INTC_IRQ(MTU2_TCI4V, 144),
86
87	INTC_IRQ(MTU25_UVW, 148), INTC_IRQ(MTU25_UVW, 149),
88	INTC_IRQ(MTU25_UVW, 150),
89
90	INTC_IRQ(RTC, 152), INTC_IRQ(RTC, 153),
91	INTC_IRQ(RTC, 154),
92
93	INTC_IRQ(WDT, 156),
94
95	INTC_IRQ(IIC30, 157), INTC_IRQ(IIC30, 158),
96	INTC_IRQ(IIC30, 159), INTC_IRQ(IIC30, 160),
97	INTC_IRQ(IIC30, 161),
98
99	INTC_IRQ(IIC31, 164), INTC_IRQ(IIC31, 165),
100	INTC_IRQ(IIC31, 166), INTC_IRQ(IIC31, 167),
101	INTC_IRQ(IIC31, 168),
102
103	INTC_IRQ(IIC32, 170), INTC_IRQ(IIC32, 171),
104	INTC_IRQ(IIC32, 172), INTC_IRQ(IIC32, 173),
105	INTC_IRQ(IIC32, 174),
106
107	INTC_IRQ(DMAC0_DMINT0, 176), INTC_IRQ(DMAC1_DMINT1, 177),
108	INTC_IRQ(DMAC2_DMINT2, 178), INTC_IRQ(DMAC3_DMINT3, 179),
109
110	INTC_IRQ(SCIF0, 180), INTC_IRQ(SCIF0, 181),
111	INTC_IRQ(SCIF0, 182), INTC_IRQ(SCIF0, 183),
112	INTC_IRQ(SCIF1, 184), INTC_IRQ(SCIF1, 185),
113	INTC_IRQ(SCIF1, 186), INTC_IRQ(SCIF1, 187),
114	INTC_IRQ(SCIF2, 188), INTC_IRQ(SCIF2, 189),
115	INTC_IRQ(SCIF2, 190), INTC_IRQ(SCIF2, 191),
116	INTC_IRQ(SCIF3, 192), INTC_IRQ(SCIF3, 193),
117	INTC_IRQ(SCIF3, 194), INTC_IRQ(SCIF3, 195),
118	INTC_IRQ(SCIF4, 196), INTC_IRQ(SCIF4, 197),
119	INTC_IRQ(SCIF4, 198), INTC_IRQ(SCIF4, 199),
120	INTC_IRQ(SCIF5, 200), INTC_IRQ(SCIF5, 201),
121	INTC_IRQ(SCIF5, 202), INTC_IRQ(SCIF5, 203),
122	INTC_IRQ(SCIF6, 204), INTC_IRQ(SCIF6, 205),
123	INTC_IRQ(SCIF6, 206), INTC_IRQ(SCIF6, 207),
124	INTC_IRQ(SCIF7, 208), INTC_IRQ(SCIF7, 209),
125	INTC_IRQ(SCIF7, 210), INTC_IRQ(SCIF7, 211),
126
127	INTC_IRQ(DMAC0_DMINTA, 212), INTC_IRQ(DMAC4_DMINT4, 216),
128	INTC_IRQ(DMAC5_DMINT5, 217), INTC_IRQ(DMAC6_DMINT6, 218),
129	INTC_IRQ(DMAC7_DMINT7, 219),
130
131	INTC_IRQ(RCAN0, 228), INTC_IRQ(RCAN0, 229),
132	INTC_IRQ(RCAN0, 230),
133	INTC_IRQ(RCAN0, 231), INTC_IRQ(RCAN0, 232),
134
135	INTC_IRQ(RCAN1, 234), INTC_IRQ(RCAN1, 235),
136	INTC_IRQ(RCAN1, 236),
137	INTC_IRQ(RCAN1, 237), INTC_IRQ(RCAN1, 238),
138
139	INTC_IRQ(SSI0_SSII, 244), INTC_IRQ(SSI1_SSII, 245),
140
141	INTC_IRQ(TMR0, 246), INTC_IRQ(TMR0, 247),
142	INTC_IRQ(TMR0, 248),
143
144	INTC_IRQ(TMR1, 252), INTC_IRQ(TMR1, 253),
145	INTC_IRQ(TMR1, 254),
146};
147
148static struct intc_group groups[] __initdata = {
149	INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
150		   PINT4, PINT5, PINT6, PINT7),
151};
152
153static struct intc_prio_reg prio_registers[] __initdata = {
154	{ 0xfffe9418, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
155	{ 0xfffe941a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
156	{ 0xfffe9420, 0, 16, 4, /* IPR05 */ { PINT, 0, ADC_ADI, 0 } },
157	{ 0xfffe9800, 0, 16, 4, /* IPR06 */ { 0, MTU20_ABCD, MTU20_VEF, MTU21_AB } },
158	{ 0xfffe9802, 0, 16, 4, /* IPR07 */ { MTU21_VU, MTU22_AB, MTU22_VU,  MTU23_ABCD } },
159	{ 0xfffe9804, 0, 16, 4, /* IPR08 */ { MTU2_TCI3V, MTU24_ABCD, MTU2_TCI4V, MTU25_UVW } },
160
161	{ 0xfffe9806, 0, 16, 4, /* IPR09 */ { RTC, WDT, IIC30, 0 } },
162	{ 0xfffe9808, 0, 16, 4, /* IPR10 */ { IIC31, IIC32, DMAC0_DMINT0, DMAC1_DMINT1 } },
163	{ 0xfffe980a, 0, 16, 4, /* IPR11 */ { DMAC2_DMINT2, DMAC3_DMINT3, SCIF0, SCIF1 } },
164	{ 0xfffe980c, 0, 16, 4, /* IPR12 */ { SCIF2, SCIF3, SCIF4, SCIF5 } },
165	{ 0xfffe980e, 0, 16, 4, /* IPR13 */ { SCIF6, SCIF7, DMAC0_DMINTA, DMAC4_DMINT4  } },
166	{ 0xfffe9810, 0, 16, 4, /* IPR14 */ { DMAC5_DMINT5, DMAC6_DMINT6, DMAC7_DMINT7, 0 } },
167	{ 0xfffe9812, 0, 16, 4, /* IPR15 */ { 0, RCAN0, RCAN1, 0 } },
168	{ 0xfffe9814, 0, 16, 4, /* IPR16 */ { SSI0_SSII, SSI1_SSII, TMR0, TMR1 } },
169};
170
171static struct intc_mask_reg mask_registers[] __initdata = {
172	{ 0xfffe9408, 0, 16, /* PINTER */
173	  { 0, 0, 0, 0, 0, 0, 0, 0,
174	    PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
175};
176
177static DECLARE_INTC_DESC(intc_desc, "sh7201", vectors, groups,
178			 mask_registers, prio_registers, NULL);
179
180static struct plat_sci_port scif0_platform_data = {
181	.mapbase	= 0xfffe8000,
182	.flags		= UPF_BOOT_AUTOCONF,
183	.type		= PORT_SCIF,
184	.irqs		= { 180, 180, 180, 180 }
185};
186
187static struct platform_device scif0_device = {
188	.name		= "sh-sci",
189	.id		= 0,
190	.dev		= {
191		.platform_data	= &scif0_platform_data,
192	},
193};
194
195static struct plat_sci_port scif1_platform_data = {
196	.mapbase	= 0xfffe8800,
197	.flags		= UPF_BOOT_AUTOCONF,
198	.type		= PORT_SCIF,
199	.irqs		= { 184, 184, 184, 184 }
200};
201
202static struct platform_device scif1_device = {
203	.name		= "sh-sci",
204	.id		= 1,
205	.dev		= {
206		.platform_data	= &scif1_platform_data,
207	},
208};
209
210static struct plat_sci_port scif2_platform_data = {
211	.mapbase	= 0xfffe9000,
212	.flags		= UPF_BOOT_AUTOCONF,
213	.type		= PORT_SCIF,
214	.irqs		= { 188, 188, 188, 188 }
215};
216
217static struct platform_device scif2_device = {
218	.name		= "sh-sci",
219	.id		= 2,
220	.dev		= {
221		.platform_data	= &scif2_platform_data,
222	},
223};
224
225static struct plat_sci_port scif3_platform_data = {
226	.mapbase	= 0xfffe9800,
227	.flags		= UPF_BOOT_AUTOCONF,
228	.type		= PORT_SCIF,
229	.irqs		= { 192, 192, 192, 192 }
230};
231
232static struct platform_device scif3_device = {
233	.name		= "sh-sci",
234	.id		= 3,
235	.dev		= {
236		.platform_data	= &scif3_platform_data,
237	},
238};
239
240static struct plat_sci_port scif4_platform_data = {
241	.mapbase	= 0xfffea000,
242	.flags		= UPF_BOOT_AUTOCONF,
243	.type		= PORT_SCIF,
244	.irqs		= { 196, 196, 196, 196 }
245};
246
247static struct platform_device scif4_device = {
248	.name		= "sh-sci",
249	.id		= 4,
250	.dev		= {
251		.platform_data	= &scif4_platform_data,
252	},
253};
254
255static struct plat_sci_port scif5_platform_data = {
256	.mapbase	= 0xfffea800,
257	.flags		= UPF_BOOT_AUTOCONF,
258	.type		= PORT_SCIF,
259	.irqs		= { 200, 200, 200, 200 }
260};
261
262static struct platform_device scif5_device = {
263	.name		= "sh-sci",
264	.id		= 5,
265	.dev		= {
266		.platform_data	= &scif5_platform_data,
267	},
268};
269
270static struct plat_sci_port scif6_platform_data = {
271	.mapbase	= 0xfffeb000,
272	.flags		= UPF_BOOT_AUTOCONF,
273	.type		= PORT_SCIF,
274	.irqs		= { 204, 204, 204, 204 }
275};
276
277static struct platform_device scif6_device = {
278	.name		= "sh-sci",
279	.id		= 6,
280	.dev		= {
281		.platform_data	= &scif6_platform_data,
282	},
283};
284
285static struct plat_sci_port scif7_platform_data = {
286	.mapbase	= 0xfffeb800,
287	.flags		= UPF_BOOT_AUTOCONF,
288	.type		= PORT_SCIF,
289	.irqs		= { 208, 208, 208, 208 }
290};
291
292static struct platform_device scif7_device = {
293	.name		= "sh-sci",
294	.id		= 7,
295	.dev		= {
296		.platform_data	= &scif7_platform_data,
297	},
298};
299
300static struct resource rtc_resources[] = {
301	[0] = {
302		.start	= 0xffff0800,
303		.end	= 0xffff2000 + 0x58 - 1,
304		.flags	= IORESOURCE_IO,
305	},
306	[1] = {
307		/* Shared Period/Carry/Alarm IRQ */
308		.start	= 152,
309		.flags	= IORESOURCE_IRQ,
310	},
311};
312
313static struct platform_device rtc_device = {
314	.name		= "sh-rtc",
315	.id		= -1,
316	.num_resources	= ARRAY_SIZE(rtc_resources),
317	.resource	= rtc_resources,
318};
319
320static struct sh_timer_config mtu2_0_platform_data = {
321	.channel_offset = -0x80,
322	.timer_bit = 0,
323	.clockevent_rating = 200,
324};
325
326static struct resource mtu2_0_resources[] = {
327	[0] = {
328		.start	= 0xfffe4300,
329		.end	= 0xfffe4326,
330		.flags	= IORESOURCE_MEM,
331	},
332	[1] = {
333		.start	= 108,
334		.flags	= IORESOURCE_IRQ,
335	},
336};
337
338static struct platform_device mtu2_0_device = {
339	.name		= "sh_mtu2",
340	.id		= 0,
341	.dev = {
342		.platform_data	= &mtu2_0_platform_data,
343	},
344	.resource	= mtu2_0_resources,
345	.num_resources	= ARRAY_SIZE(mtu2_0_resources),
346};
347
348static struct sh_timer_config mtu2_1_platform_data = {
349	.channel_offset = -0x100,
350	.timer_bit = 1,
351	.clockevent_rating = 200,
352};
353
354static struct resource mtu2_1_resources[] = {
355	[0] = {
356		.start	= 0xfffe4380,
357		.end	= 0xfffe4390,
358		.flags	= IORESOURCE_MEM,
359	},
360	[1] = {
361		.start	= 116,
362		.flags	= IORESOURCE_IRQ,
363	},
364};
365
366static struct platform_device mtu2_1_device = {
367	.name		= "sh_mtu2",
368	.id		= 1,
369	.dev = {
370		.platform_data	= &mtu2_1_platform_data,
371	},
372	.resource	= mtu2_1_resources,
373	.num_resources	= ARRAY_SIZE(mtu2_1_resources),
374};
375
376static struct sh_timer_config mtu2_2_platform_data = {
377	.channel_offset = 0x80,
378	.timer_bit = 2,
379	.clockevent_rating = 200,
380};
381
382static struct resource mtu2_2_resources[] = {
383	[0] = {
384		.start	= 0xfffe4000,
385		.end	= 0xfffe400a,
386		.flags	= IORESOURCE_MEM,
387	},
388	[1] = {
389		.start	= 124,
390		.flags	= IORESOURCE_IRQ,
391	},
392};
393
394static struct platform_device mtu2_2_device = {
395	.name		= "sh_mtu2",
396	.id		= 2,
397	.dev = {
398		.platform_data	= &mtu2_2_platform_data,
399	},
400	.resource	= mtu2_2_resources,
401	.num_resources	= ARRAY_SIZE(mtu2_2_resources),
402};
403
404static struct platform_device *sh7201_devices[] __initdata = {
405	&scif0_device,
406	&scif1_device,
407	&scif2_device,
408	&scif3_device,
409	&scif4_device,
410	&scif5_device,
411	&scif6_device,
412	&scif7_device,
413	&rtc_device,
414	&mtu2_0_device,
415	&mtu2_1_device,
416	&mtu2_2_device,
417};
418
419static int __init sh7201_devices_setup(void)
420{
421	return platform_add_devices(sh7201_devices,
422				    ARRAY_SIZE(sh7201_devices));
423}
424arch_initcall(sh7201_devices_setup);
425
426void __init plat_irq_setup(void)
427{
428	register_intc_controller(&intc_desc);
429}
430
431static struct platform_device *sh7201_early_devices[] __initdata = {
432	&scif0_device,
433	&scif1_device,
434	&scif2_device,
435	&scif3_device,
436	&scif4_device,
437	&scif5_device,
438	&scif6_device,
439	&scif7_device,
440	&mtu2_0_device,
441	&mtu2_1_device,
442	&mtu2_2_device,
443};
444
445#define STBCR3 0xfffe0408
446
447void __init plat_early_device_setup(void)
448{
449	/* enable MTU2 clock */
450	__raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
451
452	early_platform_add_devices(sh7201_early_devices,
453				   ARRAY_SIZE(sh7201_early_devices));
454}
455