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 #include <asm/platform_early.h>
15
16 enum {
17 UNUSED = 0,
18
19 /* interrupt sources */
20 IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
21 PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
22
23 ADC_ADI,
24
25 MTU20_ABCD, MTU20_VEF, MTU21_AB, MTU21_VU, MTU22_AB, MTU22_VU,
26 MTU23_ABCD, MTU24_ABCD, MTU25_UVW, MTU2_TCI3V, MTU2_TCI4V,
27
28 RTC, WDT,
29
30 IIC30, IIC31, IIC32,
31
32 DMAC0_DMINT0, DMAC1_DMINT1,
33 DMAC2_DMINT2, DMAC3_DMINT3,
34
35 SCIF0, SCIF1, SCIF2, SCIF3, SCIF4, SCIF5, SCIF6, SCIF7,
36
37 DMAC0_DMINTA, DMAC4_DMINT4, DMAC5_DMINT5, DMAC6_DMINT6,
38 DMAC7_DMINT7,
39
40 RCAN0, RCAN1,
41
42 SSI0_SSII, SSI1_SSII,
43
44 TMR0, TMR1,
45
46 /* interrupt groups */
47 PINT,
48 };
49
50 static struct intc_vect vectors[] __initdata = {
51 INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
52 INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
53 INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
54 INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
55
56 INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
57 INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
58 INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
59 INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
60
61 INTC_IRQ(ADC_ADI, 92),
62
63 INTC_IRQ(MTU20_ABCD, 108), INTC_IRQ(MTU20_ABCD, 109),
64 INTC_IRQ(MTU20_ABCD, 110), INTC_IRQ(MTU20_ABCD, 111),
65
66 INTC_IRQ(MTU20_VEF, 112), INTC_IRQ(MTU20_VEF, 113),
67 INTC_IRQ(MTU20_VEF, 114),
68
69 INTC_IRQ(MTU21_AB, 116), INTC_IRQ(MTU21_AB, 117),
70 INTC_IRQ(MTU21_VU, 120), INTC_IRQ(MTU21_VU, 121),
71
72 INTC_IRQ(MTU22_AB, 124), INTC_IRQ(MTU22_AB, 125),
73 INTC_IRQ(MTU22_VU, 128), INTC_IRQ(MTU22_VU, 129),
74
75 INTC_IRQ(MTU23_ABCD, 132), INTC_IRQ(MTU23_ABCD, 133),
76 INTC_IRQ(MTU23_ABCD, 134), INTC_IRQ(MTU23_ABCD, 135),
77
78 INTC_IRQ(MTU2_TCI3V, 136),
79
80 INTC_IRQ(MTU24_ABCD, 140), INTC_IRQ(MTU24_ABCD, 141),
81 INTC_IRQ(MTU24_ABCD, 142), INTC_IRQ(MTU24_ABCD, 143),
82
83 INTC_IRQ(MTU2_TCI4V, 144),
84
85 INTC_IRQ(MTU25_UVW, 148), INTC_IRQ(MTU25_UVW, 149),
86 INTC_IRQ(MTU25_UVW, 150),
87
88 INTC_IRQ(RTC, 152), INTC_IRQ(RTC, 153),
89 INTC_IRQ(RTC, 154),
90
91 INTC_IRQ(WDT, 156),
92
93 INTC_IRQ(IIC30, 157), INTC_IRQ(IIC30, 158),
94 INTC_IRQ(IIC30, 159), INTC_IRQ(IIC30, 160),
95 INTC_IRQ(IIC30, 161),
96
97 INTC_IRQ(IIC31, 164), INTC_IRQ(IIC31, 165),
98 INTC_IRQ(IIC31, 166), INTC_IRQ(IIC31, 167),
99 INTC_IRQ(IIC31, 168),
100
101 INTC_IRQ(IIC32, 170), INTC_IRQ(IIC32, 171),
102 INTC_IRQ(IIC32, 172), INTC_IRQ(IIC32, 173),
103 INTC_IRQ(IIC32, 174),
104
105 INTC_IRQ(DMAC0_DMINT0, 176), INTC_IRQ(DMAC1_DMINT1, 177),
106 INTC_IRQ(DMAC2_DMINT2, 178), INTC_IRQ(DMAC3_DMINT3, 179),
107
108 INTC_IRQ(SCIF0, 180), INTC_IRQ(SCIF0, 181),
109 INTC_IRQ(SCIF0, 182), INTC_IRQ(SCIF0, 183),
110 INTC_IRQ(SCIF1, 184), INTC_IRQ(SCIF1, 185),
111 INTC_IRQ(SCIF1, 186), INTC_IRQ(SCIF1, 187),
112 INTC_IRQ(SCIF2, 188), INTC_IRQ(SCIF2, 189),
113 INTC_IRQ(SCIF2, 190), INTC_IRQ(SCIF2, 191),
114 INTC_IRQ(SCIF3, 192), INTC_IRQ(SCIF3, 193),
115 INTC_IRQ(SCIF3, 194), INTC_IRQ(SCIF3, 195),
116 INTC_IRQ(SCIF4, 196), INTC_IRQ(SCIF4, 197),
117 INTC_IRQ(SCIF4, 198), INTC_IRQ(SCIF4, 199),
118 INTC_IRQ(SCIF5, 200), INTC_IRQ(SCIF5, 201),
119 INTC_IRQ(SCIF5, 202), INTC_IRQ(SCIF5, 203),
120 INTC_IRQ(SCIF6, 204), INTC_IRQ(SCIF6, 205),
121 INTC_IRQ(SCIF6, 206), INTC_IRQ(SCIF6, 207),
122 INTC_IRQ(SCIF7, 208), INTC_IRQ(SCIF7, 209),
123 INTC_IRQ(SCIF7, 210), INTC_IRQ(SCIF7, 211),
124
125 INTC_IRQ(DMAC0_DMINTA, 212), INTC_IRQ(DMAC4_DMINT4, 216),
126 INTC_IRQ(DMAC5_DMINT5, 217), INTC_IRQ(DMAC6_DMINT6, 218),
127 INTC_IRQ(DMAC7_DMINT7, 219),
128
129 INTC_IRQ(RCAN0, 228), INTC_IRQ(RCAN0, 229),
130 INTC_IRQ(RCAN0, 230),
131 INTC_IRQ(RCAN0, 231), INTC_IRQ(RCAN0, 232),
132
133 INTC_IRQ(RCAN1, 234), INTC_IRQ(RCAN1, 235),
134 INTC_IRQ(RCAN1, 236),
135 INTC_IRQ(RCAN1, 237), INTC_IRQ(RCAN1, 238),
136
137 INTC_IRQ(SSI0_SSII, 244), INTC_IRQ(SSI1_SSII, 245),
138
139 INTC_IRQ(TMR0, 246), INTC_IRQ(TMR0, 247),
140 INTC_IRQ(TMR0, 248),
141
142 INTC_IRQ(TMR1, 252), INTC_IRQ(TMR1, 253),
143 INTC_IRQ(TMR1, 254),
144 };
145
146 static struct intc_group groups[] __initdata = {
147 INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
148 PINT4, PINT5, PINT6, PINT7),
149 };
150
151 static struct intc_prio_reg prio_registers[] __initdata = {
152 { 0xfffe9418, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
153 { 0xfffe941a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
154 { 0xfffe9420, 0, 16, 4, /* IPR05 */ { PINT, 0, ADC_ADI, 0 } },
155 { 0xfffe9800, 0, 16, 4, /* IPR06 */ { 0, MTU20_ABCD, MTU20_VEF, MTU21_AB } },
156 { 0xfffe9802, 0, 16, 4, /* IPR07 */ { MTU21_VU, MTU22_AB, MTU22_VU, MTU23_ABCD } },
157 { 0xfffe9804, 0, 16, 4, /* IPR08 */ { MTU2_TCI3V, MTU24_ABCD, MTU2_TCI4V, MTU25_UVW } },
158
159 { 0xfffe9806, 0, 16, 4, /* IPR09 */ { RTC, WDT, IIC30, 0 } },
160 { 0xfffe9808, 0, 16, 4, /* IPR10 */ { IIC31, IIC32, DMAC0_DMINT0, DMAC1_DMINT1 } },
161 { 0xfffe980a, 0, 16, 4, /* IPR11 */ { DMAC2_DMINT2, DMAC3_DMINT3, SCIF0, SCIF1 } },
162 { 0xfffe980c, 0, 16, 4, /* IPR12 */ { SCIF2, SCIF3, SCIF4, SCIF5 } },
163 { 0xfffe980e, 0, 16, 4, /* IPR13 */ { SCIF6, SCIF7, DMAC0_DMINTA, DMAC4_DMINT4 } },
164 { 0xfffe9810, 0, 16, 4, /* IPR14 */ { DMAC5_DMINT5, DMAC6_DMINT6, DMAC7_DMINT7, 0 } },
165 { 0xfffe9812, 0, 16, 4, /* IPR15 */ { 0, RCAN0, RCAN1, 0 } },
166 { 0xfffe9814, 0, 16, 4, /* IPR16 */ { SSI0_SSII, SSI1_SSII, TMR0, TMR1 } },
167 };
168
169 static struct intc_mask_reg mask_registers[] __initdata = {
170 { 0xfffe9408, 0, 16, /* PINTER */
171 { 0, 0, 0, 0, 0, 0, 0, 0,
172 PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
173 };
174
175 static DECLARE_INTC_DESC(intc_desc, "sh7201", vectors, groups,
176 mask_registers, prio_registers, NULL);
177
178 static struct plat_sci_port scif0_platform_data = {
179 .scscr = SCSCR_REIE,
180 .type = PORT_SCIF,
181 };
182
183 static struct resource scif0_resources[] = {
184 DEFINE_RES_MEM(0xfffe8000, 0x100),
185 DEFINE_RES_IRQ(180),
186 };
187
188 static struct platform_device scif0_device = {
189 .name = "sh-sci",
190 .id = 0,
191 .resource = scif0_resources,
192 .num_resources = ARRAY_SIZE(scif0_resources),
193 .dev = {
194 .platform_data = &scif0_platform_data,
195 },
196 };
197
198 static struct plat_sci_port scif1_platform_data = {
199 .scscr = SCSCR_REIE,
200 .type = PORT_SCIF,
201 };
202
203 static struct resource scif1_resources[] = {
204 DEFINE_RES_MEM(0xfffe8800, 0x100),
205 DEFINE_RES_IRQ(184),
206 };
207
208 static struct platform_device scif1_device = {
209 .name = "sh-sci",
210 .id = 1,
211 .resource = scif1_resources,
212 .num_resources = ARRAY_SIZE(scif1_resources),
213 .dev = {
214 .platform_data = &scif1_platform_data,
215 },
216 };
217
218 static struct plat_sci_port scif2_platform_data = {
219 .scscr = SCSCR_REIE,
220 .type = PORT_SCIF,
221 };
222
223 static struct resource scif2_resources[] = {
224 DEFINE_RES_MEM(0xfffe9000, 0x100),
225 DEFINE_RES_IRQ(188),
226 };
227
228 static struct platform_device scif2_device = {
229 .name = "sh-sci",
230 .id = 2,
231 .resource = scif2_resources,
232 .num_resources = ARRAY_SIZE(scif2_resources),
233 .dev = {
234 .platform_data = &scif2_platform_data,
235 },
236 };
237
238 static struct plat_sci_port scif3_platform_data = {
239 .scscr = SCSCR_REIE,
240 .type = PORT_SCIF,
241 };
242
243 static struct resource scif3_resources[] = {
244 DEFINE_RES_MEM(0xfffe9800, 0x100),
245 DEFINE_RES_IRQ(192),
246 };
247
248 static struct platform_device scif3_device = {
249 .name = "sh-sci",
250 .id = 3,
251 .resource = scif3_resources,
252 .num_resources = ARRAY_SIZE(scif3_resources),
253 .dev = {
254 .platform_data = &scif3_platform_data,
255 },
256 };
257
258 static struct plat_sci_port scif4_platform_data = {
259 .scscr = SCSCR_REIE,
260 .type = PORT_SCIF,
261 };
262
263 static struct resource scif4_resources[] = {
264 DEFINE_RES_MEM(0xfffea000, 0x100),
265 DEFINE_RES_IRQ(196),
266 };
267
268 static struct platform_device scif4_device = {
269 .name = "sh-sci",
270 .id = 4,
271 .resource = scif4_resources,
272 .num_resources = ARRAY_SIZE(scif4_resources),
273 .dev = {
274 .platform_data = &scif4_platform_data,
275 },
276 };
277
278 static struct plat_sci_port scif5_platform_data = {
279 .scscr = SCSCR_REIE,
280 .type = PORT_SCIF,
281 };
282
283 static struct resource scif5_resources[] = {
284 DEFINE_RES_MEM(0xfffea800, 0x100),
285 DEFINE_RES_IRQ(200),
286 };
287
288 static struct platform_device scif5_device = {
289 .name = "sh-sci",
290 .id = 5,
291 .resource = scif5_resources,
292 .num_resources = ARRAY_SIZE(scif5_resources),
293 .dev = {
294 .platform_data = &scif5_platform_data,
295 },
296 };
297
298 static struct plat_sci_port scif6_platform_data = {
299 .scscr = SCSCR_REIE,
300 .type = PORT_SCIF,
301 };
302
303 static struct resource scif6_resources[] = {
304 DEFINE_RES_MEM(0xfffeb000, 0x100),
305 DEFINE_RES_IRQ(204),
306 };
307
308 static struct platform_device scif6_device = {
309 .name = "sh-sci",
310 .id = 6,
311 .resource = scif6_resources,
312 .num_resources = ARRAY_SIZE(scif6_resources),
313 .dev = {
314 .platform_data = &scif6_platform_data,
315 },
316 };
317
318 static struct plat_sci_port scif7_platform_data = {
319 .scscr = SCSCR_REIE,
320 .type = PORT_SCIF,
321 };
322
323 static struct resource scif7_resources[] = {
324 DEFINE_RES_MEM(0xfffeb800, 0x100),
325 DEFINE_RES_IRQ(208),
326 };
327
328 static struct platform_device scif7_device = {
329 .name = "sh-sci",
330 .id = 7,
331 .resource = scif7_resources,
332 .num_resources = ARRAY_SIZE(scif7_resources),
333 .dev = {
334 .platform_data = &scif7_platform_data,
335 },
336 };
337
338 static struct resource rtc_resources[] = {
339 [0] = {
340 .start = 0xffff0800,
341 .end = 0xffff2000 + 0x58 - 1,
342 .flags = IORESOURCE_IO,
343 },
344 [1] = {
345 /* Shared Period/Carry/Alarm IRQ */
346 .start = 152,
347 .flags = IORESOURCE_IRQ,
348 },
349 };
350
351 static struct platform_device rtc_device = {
352 .name = "sh-rtc",
353 .id = -1,
354 .num_resources = ARRAY_SIZE(rtc_resources),
355 .resource = rtc_resources,
356 };
357
358 static struct resource mtu2_resources[] = {
359 DEFINE_RES_MEM(0xfffe4000, 0x400),
360 DEFINE_RES_IRQ_NAMED(108, "tgi0a"),
361 DEFINE_RES_IRQ_NAMED(116, "tgi1a"),
362 DEFINE_RES_IRQ_NAMED(124, "tgi1b"),
363 };
364
365 static struct platform_device mtu2_device = {
366 .name = "sh-mtu2",
367 .id = -1,
368 .resource = mtu2_resources,
369 .num_resources = ARRAY_SIZE(mtu2_resources),
370 };
371
372 static struct platform_device *sh7201_devices[] __initdata = {
373 &scif0_device,
374 &scif1_device,
375 &scif2_device,
376 &scif3_device,
377 &scif4_device,
378 &scif5_device,
379 &scif6_device,
380 &scif7_device,
381 &rtc_device,
382 &mtu2_device,
383 };
384
sh7201_devices_setup(void)385 static int __init sh7201_devices_setup(void)
386 {
387 return platform_add_devices(sh7201_devices,
388 ARRAY_SIZE(sh7201_devices));
389 }
390 arch_initcall(sh7201_devices_setup);
391
plat_irq_setup(void)392 void __init plat_irq_setup(void)
393 {
394 register_intc_controller(&intc_desc);
395 }
396
397 static struct platform_device *sh7201_early_devices[] __initdata = {
398 &scif0_device,
399 &scif1_device,
400 &scif2_device,
401 &scif3_device,
402 &scif4_device,
403 &scif5_device,
404 &scif6_device,
405 &scif7_device,
406 &mtu2_device,
407 };
408
409 #define STBCR3 0xfffe0408
410
plat_early_device_setup(void)411 void __init plat_early_device_setup(void)
412 {
413 /* enable MTU2 clock */
414 __raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
415
416 sh_early_platform_add_devices(sh7201_early_devices,
417 ARRAY_SIZE(sh7201_early_devices));
418 }
419