1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  *  SH7201 setup
4  *
5  *  Copyright (C) 2008  Peter Griffin pgriffin@mpc-data.co.uk
6  *  Copyright (C) 2009  Paul Mundt
7  */
8 #include <linux/platform_device.h>
9 #include <linux/init.h>
10 #include <linux/serial.h>
11 #include <linux/serial_sci.h>
12 #include <linux/sh_timer.h>
13 #include <linux/io.h>
14 
15 enum {
16 	UNUSED = 0,
17 
18 	/* interrupt sources */
19 	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
20 	PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
21 
22 	ADC_ADI,
23 
24 	MTU20_ABCD, MTU20_VEF, MTU21_AB, MTU21_VU, MTU22_AB, MTU22_VU,
25 	MTU23_ABCD, MTU24_ABCD, MTU25_UVW, MTU2_TCI3V, MTU2_TCI4V,
26 
27 	RTC, WDT,
28 
29 	IIC30, IIC31, IIC32,
30 
31 	DMAC0_DMINT0, DMAC1_DMINT1,
32 	DMAC2_DMINT2, DMAC3_DMINT3,
33 
34 	SCIF0, SCIF1, SCIF2, SCIF3, SCIF4, SCIF5, SCIF6, SCIF7,
35 
36 	DMAC0_DMINTA, DMAC4_DMINT4, DMAC5_DMINT5, DMAC6_DMINT6,
37 	DMAC7_DMINT7,
38 
39 	RCAN0, RCAN1,
40 
41 	SSI0_SSII, SSI1_SSII,
42 
43 	TMR0, TMR1,
44 
45 	/* interrupt groups */
46 	PINT,
47 };
48 
49 static struct intc_vect vectors[] __initdata = {
50 	INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
51 	INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
52 	INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
53 	INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
54 
55 	INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
56 	INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
57 	INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
58 	INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
59 
60 	INTC_IRQ(ADC_ADI, 92),
61 
62 	INTC_IRQ(MTU20_ABCD, 108), INTC_IRQ(MTU20_ABCD, 109),
63 	INTC_IRQ(MTU20_ABCD, 110), INTC_IRQ(MTU20_ABCD, 111),
64 
65 	INTC_IRQ(MTU20_VEF, 112), INTC_IRQ(MTU20_VEF, 113),
66 	INTC_IRQ(MTU20_VEF, 114),
67 
68 	INTC_IRQ(MTU21_AB, 116), INTC_IRQ(MTU21_AB, 117),
69 	INTC_IRQ(MTU21_VU, 120), INTC_IRQ(MTU21_VU, 121),
70 
71 	INTC_IRQ(MTU22_AB, 124), INTC_IRQ(MTU22_AB, 125),
72 	INTC_IRQ(MTU22_VU, 128), INTC_IRQ(MTU22_VU, 129),
73 
74 	INTC_IRQ(MTU23_ABCD, 132), INTC_IRQ(MTU23_ABCD, 133),
75 	INTC_IRQ(MTU23_ABCD, 134), INTC_IRQ(MTU23_ABCD, 135),
76 
77 	INTC_IRQ(MTU2_TCI3V, 136),
78 
79 	INTC_IRQ(MTU24_ABCD, 140), INTC_IRQ(MTU24_ABCD, 141),
80 	INTC_IRQ(MTU24_ABCD, 142), INTC_IRQ(MTU24_ABCD, 143),
81 
82 	INTC_IRQ(MTU2_TCI4V, 144),
83 
84 	INTC_IRQ(MTU25_UVW, 148), INTC_IRQ(MTU25_UVW, 149),
85 	INTC_IRQ(MTU25_UVW, 150),
86 
87 	INTC_IRQ(RTC, 152), INTC_IRQ(RTC, 153),
88 	INTC_IRQ(RTC, 154),
89 
90 	INTC_IRQ(WDT, 156),
91 
92 	INTC_IRQ(IIC30, 157), INTC_IRQ(IIC30, 158),
93 	INTC_IRQ(IIC30, 159), INTC_IRQ(IIC30, 160),
94 	INTC_IRQ(IIC30, 161),
95 
96 	INTC_IRQ(IIC31, 164), INTC_IRQ(IIC31, 165),
97 	INTC_IRQ(IIC31, 166), INTC_IRQ(IIC31, 167),
98 	INTC_IRQ(IIC31, 168),
99 
100 	INTC_IRQ(IIC32, 170), INTC_IRQ(IIC32, 171),
101 	INTC_IRQ(IIC32, 172), INTC_IRQ(IIC32, 173),
102 	INTC_IRQ(IIC32, 174),
103 
104 	INTC_IRQ(DMAC0_DMINT0, 176), INTC_IRQ(DMAC1_DMINT1, 177),
105 	INTC_IRQ(DMAC2_DMINT2, 178), INTC_IRQ(DMAC3_DMINT3, 179),
106 
107 	INTC_IRQ(SCIF0, 180), INTC_IRQ(SCIF0, 181),
108 	INTC_IRQ(SCIF0, 182), INTC_IRQ(SCIF0, 183),
109 	INTC_IRQ(SCIF1, 184), INTC_IRQ(SCIF1, 185),
110 	INTC_IRQ(SCIF1, 186), INTC_IRQ(SCIF1, 187),
111 	INTC_IRQ(SCIF2, 188), INTC_IRQ(SCIF2, 189),
112 	INTC_IRQ(SCIF2, 190), INTC_IRQ(SCIF2, 191),
113 	INTC_IRQ(SCIF3, 192), INTC_IRQ(SCIF3, 193),
114 	INTC_IRQ(SCIF3, 194), INTC_IRQ(SCIF3, 195),
115 	INTC_IRQ(SCIF4, 196), INTC_IRQ(SCIF4, 197),
116 	INTC_IRQ(SCIF4, 198), INTC_IRQ(SCIF4, 199),
117 	INTC_IRQ(SCIF5, 200), INTC_IRQ(SCIF5, 201),
118 	INTC_IRQ(SCIF5, 202), INTC_IRQ(SCIF5, 203),
119 	INTC_IRQ(SCIF6, 204), INTC_IRQ(SCIF6, 205),
120 	INTC_IRQ(SCIF6, 206), INTC_IRQ(SCIF6, 207),
121 	INTC_IRQ(SCIF7, 208), INTC_IRQ(SCIF7, 209),
122 	INTC_IRQ(SCIF7, 210), INTC_IRQ(SCIF7, 211),
123 
124 	INTC_IRQ(DMAC0_DMINTA, 212), INTC_IRQ(DMAC4_DMINT4, 216),
125 	INTC_IRQ(DMAC5_DMINT5, 217), INTC_IRQ(DMAC6_DMINT6, 218),
126 	INTC_IRQ(DMAC7_DMINT7, 219),
127 
128 	INTC_IRQ(RCAN0, 228), INTC_IRQ(RCAN0, 229),
129 	INTC_IRQ(RCAN0, 230),
130 	INTC_IRQ(RCAN0, 231), INTC_IRQ(RCAN0, 232),
131 
132 	INTC_IRQ(RCAN1, 234), INTC_IRQ(RCAN1, 235),
133 	INTC_IRQ(RCAN1, 236),
134 	INTC_IRQ(RCAN1, 237), INTC_IRQ(RCAN1, 238),
135 
136 	INTC_IRQ(SSI0_SSII, 244), INTC_IRQ(SSI1_SSII, 245),
137 
138 	INTC_IRQ(TMR0, 246), INTC_IRQ(TMR0, 247),
139 	INTC_IRQ(TMR0, 248),
140 
141 	INTC_IRQ(TMR1, 252), INTC_IRQ(TMR1, 253),
142 	INTC_IRQ(TMR1, 254),
143 };
144 
145 static struct intc_group groups[] __initdata = {
146 	INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
147 		   PINT4, PINT5, PINT6, PINT7),
148 };
149 
150 static struct intc_prio_reg prio_registers[] __initdata = {
151 	{ 0xfffe9418, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
152 	{ 0xfffe941a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
153 	{ 0xfffe9420, 0, 16, 4, /* IPR05 */ { PINT, 0, ADC_ADI, 0 } },
154 	{ 0xfffe9800, 0, 16, 4, /* IPR06 */ { 0, MTU20_ABCD, MTU20_VEF, MTU21_AB } },
155 	{ 0xfffe9802, 0, 16, 4, /* IPR07 */ { MTU21_VU, MTU22_AB, MTU22_VU,  MTU23_ABCD } },
156 	{ 0xfffe9804, 0, 16, 4, /* IPR08 */ { MTU2_TCI3V, MTU24_ABCD, MTU2_TCI4V, MTU25_UVW } },
157 
158 	{ 0xfffe9806, 0, 16, 4, /* IPR09 */ { RTC, WDT, IIC30, 0 } },
159 	{ 0xfffe9808, 0, 16, 4, /* IPR10 */ { IIC31, IIC32, DMAC0_DMINT0, DMAC1_DMINT1 } },
160 	{ 0xfffe980a, 0, 16, 4, /* IPR11 */ { DMAC2_DMINT2, DMAC3_DMINT3, SCIF0, SCIF1 } },
161 	{ 0xfffe980c, 0, 16, 4, /* IPR12 */ { SCIF2, SCIF3, SCIF4, SCIF5 } },
162 	{ 0xfffe980e, 0, 16, 4, /* IPR13 */ { SCIF6, SCIF7, DMAC0_DMINTA, DMAC4_DMINT4  } },
163 	{ 0xfffe9810, 0, 16, 4, /* IPR14 */ { DMAC5_DMINT5, DMAC6_DMINT6, DMAC7_DMINT7, 0 } },
164 	{ 0xfffe9812, 0, 16, 4, /* IPR15 */ { 0, RCAN0, RCAN1, 0 } },
165 	{ 0xfffe9814, 0, 16, 4, /* IPR16 */ { SSI0_SSII, SSI1_SSII, TMR0, TMR1 } },
166 };
167 
168 static struct intc_mask_reg mask_registers[] __initdata = {
169 	{ 0xfffe9408, 0, 16, /* PINTER */
170 	  { 0, 0, 0, 0, 0, 0, 0, 0,
171 	    PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
172 };
173 
174 static DECLARE_INTC_DESC(intc_desc, "sh7201", vectors, groups,
175 			 mask_registers, prio_registers, NULL);
176 
177 static struct plat_sci_port scif0_platform_data = {
178 	.scscr		= SCSCR_REIE,
179 	.type		= PORT_SCIF,
180 };
181 
182 static struct resource scif0_resources[] = {
183 	DEFINE_RES_MEM(0xfffe8000, 0x100),
184 	DEFINE_RES_IRQ(180),
185 };
186 
187 static struct platform_device scif0_device = {
188 	.name		= "sh-sci",
189 	.id		= 0,
190 	.resource	= scif0_resources,
191 	.num_resources	= ARRAY_SIZE(scif0_resources),
192 	.dev		= {
193 		.platform_data	= &scif0_platform_data,
194 	},
195 };
196 
197 static struct plat_sci_port scif1_platform_data = {
198 	.scscr		= SCSCR_REIE,
199 	.type		= PORT_SCIF,
200 };
201 
202 static struct resource scif1_resources[] = {
203 	DEFINE_RES_MEM(0xfffe8800, 0x100),
204 	DEFINE_RES_IRQ(184),
205 };
206 
207 static struct platform_device scif1_device = {
208 	.name		= "sh-sci",
209 	.id		= 1,
210 	.resource	= scif1_resources,
211 	.num_resources	= ARRAY_SIZE(scif1_resources),
212 	.dev		= {
213 		.platform_data	= &scif1_platform_data,
214 	},
215 };
216 
217 static struct plat_sci_port scif2_platform_data = {
218 	.scscr		= SCSCR_REIE,
219 	.type		= PORT_SCIF,
220 };
221 
222 static struct resource scif2_resources[] = {
223 	DEFINE_RES_MEM(0xfffe9000, 0x100),
224 	DEFINE_RES_IRQ(188),
225 };
226 
227 static struct platform_device scif2_device = {
228 	.name		= "sh-sci",
229 	.id		= 2,
230 	.resource	= scif2_resources,
231 	.num_resources	= ARRAY_SIZE(scif2_resources),
232 	.dev		= {
233 		.platform_data	= &scif2_platform_data,
234 	},
235 };
236 
237 static struct plat_sci_port scif3_platform_data = {
238 	.scscr		= SCSCR_REIE,
239 	.type		= PORT_SCIF,
240 };
241 
242 static struct resource scif3_resources[] = {
243 	DEFINE_RES_MEM(0xfffe9800, 0x100),
244 	DEFINE_RES_IRQ(192),
245 };
246 
247 static struct platform_device scif3_device = {
248 	.name		= "sh-sci",
249 	.id		= 3,
250 	.resource	= scif3_resources,
251 	.num_resources	= ARRAY_SIZE(scif3_resources),
252 	.dev		= {
253 		.platform_data	= &scif3_platform_data,
254 	},
255 };
256 
257 static struct plat_sci_port scif4_platform_data = {
258 	.scscr		= SCSCR_REIE,
259 	.type		= PORT_SCIF,
260 };
261 
262 static struct resource scif4_resources[] = {
263 	DEFINE_RES_MEM(0xfffea000, 0x100),
264 	DEFINE_RES_IRQ(196),
265 };
266 
267 static struct platform_device scif4_device = {
268 	.name		= "sh-sci",
269 	.id		= 4,
270 	.resource	= scif4_resources,
271 	.num_resources	= ARRAY_SIZE(scif4_resources),
272 	.dev		= {
273 		.platform_data	= &scif4_platform_data,
274 	},
275 };
276 
277 static struct plat_sci_port scif5_platform_data = {
278 	.scscr		= SCSCR_REIE,
279 	.type		= PORT_SCIF,
280 };
281 
282 static struct resource scif5_resources[] = {
283 	DEFINE_RES_MEM(0xfffea800, 0x100),
284 	DEFINE_RES_IRQ(200),
285 };
286 
287 static struct platform_device scif5_device = {
288 	.name		= "sh-sci",
289 	.id		= 5,
290 	.resource	= scif5_resources,
291 	.num_resources	= ARRAY_SIZE(scif5_resources),
292 	.dev		= {
293 		.platform_data	= &scif5_platform_data,
294 	},
295 };
296 
297 static struct plat_sci_port scif6_platform_data = {
298 	.scscr		= SCSCR_REIE,
299 	.type		= PORT_SCIF,
300 };
301 
302 static struct resource scif6_resources[] = {
303 	DEFINE_RES_MEM(0xfffeb000, 0x100),
304 	DEFINE_RES_IRQ(204),
305 };
306 
307 static struct platform_device scif6_device = {
308 	.name		= "sh-sci",
309 	.id		= 6,
310 	.resource	= scif6_resources,
311 	.num_resources	= ARRAY_SIZE(scif6_resources),
312 	.dev		= {
313 		.platform_data	= &scif6_platform_data,
314 	},
315 };
316 
317 static struct plat_sci_port scif7_platform_data = {
318 	.scscr		= SCSCR_REIE,
319 	.type		= PORT_SCIF,
320 };
321 
322 static struct resource scif7_resources[] = {
323 	DEFINE_RES_MEM(0xfffeb800, 0x100),
324 	DEFINE_RES_IRQ(208),
325 };
326 
327 static struct platform_device scif7_device = {
328 	.name		= "sh-sci",
329 	.id		= 7,
330 	.resource	= scif7_resources,
331 	.num_resources	= ARRAY_SIZE(scif7_resources),
332 	.dev		= {
333 		.platform_data	= &scif7_platform_data,
334 	},
335 };
336 
337 static struct resource rtc_resources[] = {
338 	[0] = {
339 		.start	= 0xffff0800,
340 		.end	= 0xffff2000 + 0x58 - 1,
341 		.flags	= IORESOURCE_IO,
342 	},
343 	[1] = {
344 		/* Shared Period/Carry/Alarm IRQ */
345 		.start	= 152,
346 		.flags	= IORESOURCE_IRQ,
347 	},
348 };
349 
350 static struct platform_device rtc_device = {
351 	.name		= "sh-rtc",
352 	.id		= -1,
353 	.num_resources	= ARRAY_SIZE(rtc_resources),
354 	.resource	= rtc_resources,
355 };
356 
357 static struct resource mtu2_resources[] = {
358 	DEFINE_RES_MEM(0xfffe4000, 0x400),
359 	DEFINE_RES_IRQ_NAMED(108, "tgi0a"),
360 	DEFINE_RES_IRQ_NAMED(116, "tgi1a"),
361 	DEFINE_RES_IRQ_NAMED(124, "tgi1b"),
362 };
363 
364 static struct platform_device mtu2_device = {
365 	.name		= "sh-mtu2",
366 	.id		= -1,
367 	.resource	= mtu2_resources,
368 	.num_resources	= ARRAY_SIZE(mtu2_resources),
369 };
370 
371 static struct platform_device *sh7201_devices[] __initdata = {
372 	&scif0_device,
373 	&scif1_device,
374 	&scif2_device,
375 	&scif3_device,
376 	&scif4_device,
377 	&scif5_device,
378 	&scif6_device,
379 	&scif7_device,
380 	&rtc_device,
381 	&mtu2_device,
382 };
383 
384 static int __init sh7201_devices_setup(void)
385 {
386 	return platform_add_devices(sh7201_devices,
387 				    ARRAY_SIZE(sh7201_devices));
388 }
389 arch_initcall(sh7201_devices_setup);
390 
391 void __init plat_irq_setup(void)
392 {
393 	register_intc_controller(&intc_desc);
394 }
395 
396 static struct platform_device *sh7201_early_devices[] __initdata = {
397 	&scif0_device,
398 	&scif1_device,
399 	&scif2_device,
400 	&scif3_device,
401 	&scif4_device,
402 	&scif5_device,
403 	&scif6_device,
404 	&scif7_device,
405 	&mtu2_device,
406 };
407 
408 #define STBCR3 0xfffe0408
409 
410 void __init plat_early_device_setup(void)
411 {
412 	/* enable MTU2 clock */
413 	__raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
414 
415 	early_platform_add_devices(sh7201_early_devices,
416 				   ARRAY_SIZE(sh7201_early_devices));
417 }
418