1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * SH7203 and SH7263 Setup
4 *
5 * Copyright (C) 2007 - 2009 Paul Mundt
6 */
7 #include <linux/platform_device.h>
8 #include <linux/init.h>
9 #include <linux/serial.h>
10 #include <linux/serial_sci.h>
11 #include <linux/sh_timer.h>
12 #include <linux/io.h>
13
14 enum {
15 UNUSED = 0,
16
17 /* interrupt sources */
18 IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
19 PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
20 DMAC0, DMAC1, DMAC2, DMAC3, DMAC4, DMAC5, DMAC6, DMAC7,
21 USB, LCDC, CMT0, CMT1, BSC, WDT,
22
23 MTU0_ABCD, MTU0_VEF, MTU1_AB, MTU1_VU, MTU2_AB, MTU2_VU,
24 MTU3_ABCD, MTU4_ABCD, MTU2_TCI3V, MTU2_TCI4V,
25
26 ADC_ADI,
27
28 IIC30, IIC31, IIC32, IIC33,
29 SCIF0, SCIF1, SCIF2, SCIF3,
30
31 SSU0, SSU1,
32
33 SSI0_SSII, SSI1_SSII, SSI2_SSII, SSI3_SSII,
34
35 /* ROM-DEC, SDHI, SRC, and IEB are SH7263 specific */
36 ROMDEC, FLCTL, SDHI, RTC, RCAN0, RCAN1,
37 SRC, IEBI,
38
39 /* interrupt groups */
40 PINT,
41 };
42
43 static struct intc_vect vectors[] __initdata = {
44 INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
45 INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
46 INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
47 INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
48 INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
49 INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
50 INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
51 INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
52 INTC_IRQ(DMAC0, 108), INTC_IRQ(DMAC0, 109),
53 INTC_IRQ(DMAC1, 112), INTC_IRQ(DMAC1, 113),
54 INTC_IRQ(DMAC2, 116), INTC_IRQ(DMAC2, 117),
55 INTC_IRQ(DMAC3, 120), INTC_IRQ(DMAC3, 121),
56 INTC_IRQ(DMAC4, 124), INTC_IRQ(DMAC4, 125),
57 INTC_IRQ(DMAC5, 128), INTC_IRQ(DMAC5, 129),
58 INTC_IRQ(DMAC6, 132), INTC_IRQ(DMAC6, 133),
59 INTC_IRQ(DMAC7, 136), INTC_IRQ(DMAC7, 137),
60 INTC_IRQ(USB, 140), INTC_IRQ(LCDC, 141),
61 INTC_IRQ(CMT0, 142), INTC_IRQ(CMT1, 143),
62 INTC_IRQ(BSC, 144), INTC_IRQ(WDT, 145),
63 INTC_IRQ(MTU0_ABCD, 146), INTC_IRQ(MTU0_ABCD, 147),
64 INTC_IRQ(MTU0_ABCD, 148), INTC_IRQ(MTU0_ABCD, 149),
65 INTC_IRQ(MTU0_VEF, 150),
66 INTC_IRQ(MTU0_VEF, 151), INTC_IRQ(MTU0_VEF, 152),
67 INTC_IRQ(MTU1_AB, 153), INTC_IRQ(MTU1_AB, 154),
68 INTC_IRQ(MTU1_VU, 155), INTC_IRQ(MTU1_VU, 156),
69 INTC_IRQ(MTU2_AB, 157), INTC_IRQ(MTU2_AB, 158),
70 INTC_IRQ(MTU2_VU, 159), INTC_IRQ(MTU2_VU, 160),
71 INTC_IRQ(MTU3_ABCD, 161), INTC_IRQ(MTU3_ABCD, 162),
72 INTC_IRQ(MTU3_ABCD, 163), INTC_IRQ(MTU3_ABCD, 164),
73 INTC_IRQ(MTU2_TCI3V, 165),
74 INTC_IRQ(MTU4_ABCD, 166), INTC_IRQ(MTU4_ABCD, 167),
75 INTC_IRQ(MTU4_ABCD, 168), INTC_IRQ(MTU4_ABCD, 169),
76 INTC_IRQ(MTU2_TCI4V, 170),
77 INTC_IRQ(ADC_ADI, 171),
78 INTC_IRQ(IIC30, 172), INTC_IRQ(IIC30, 173),
79 INTC_IRQ(IIC30, 174), INTC_IRQ(IIC30, 175),
80 INTC_IRQ(IIC30, 176),
81 INTC_IRQ(IIC31, 177), INTC_IRQ(IIC31, 178),
82 INTC_IRQ(IIC31, 179), INTC_IRQ(IIC31, 180),
83 INTC_IRQ(IIC31, 181),
84 INTC_IRQ(IIC32, 182), INTC_IRQ(IIC32, 183),
85 INTC_IRQ(IIC32, 184), INTC_IRQ(IIC32, 185),
86 INTC_IRQ(IIC32, 186),
87 INTC_IRQ(IIC33, 187), INTC_IRQ(IIC33, 188),
88 INTC_IRQ(IIC33, 189), INTC_IRQ(IIC33, 190),
89 INTC_IRQ(IIC33, 191),
90 INTC_IRQ(SCIF0, 192), INTC_IRQ(SCIF0, 193),
91 INTC_IRQ(SCIF0, 194), INTC_IRQ(SCIF0, 195),
92 INTC_IRQ(SCIF1, 196), INTC_IRQ(SCIF1, 197),
93 INTC_IRQ(SCIF1, 198), INTC_IRQ(SCIF1, 199),
94 INTC_IRQ(SCIF2, 200), INTC_IRQ(SCIF2, 201),
95 INTC_IRQ(SCIF2, 202), INTC_IRQ(SCIF2, 203),
96 INTC_IRQ(SCIF3, 204), INTC_IRQ(SCIF3, 205),
97 INTC_IRQ(SCIF3, 206), INTC_IRQ(SCIF3, 207),
98 INTC_IRQ(SSU0, 208), INTC_IRQ(SSU0, 209),
99 INTC_IRQ(SSU0, 210),
100 INTC_IRQ(SSU1, 211), INTC_IRQ(SSU1, 212),
101 INTC_IRQ(SSU1, 213),
102 INTC_IRQ(SSI0_SSII, 214), INTC_IRQ(SSI1_SSII, 215),
103 INTC_IRQ(SSI2_SSII, 216), INTC_IRQ(SSI3_SSII, 217),
104 INTC_IRQ(FLCTL, 224), INTC_IRQ(FLCTL, 225),
105 INTC_IRQ(FLCTL, 226), INTC_IRQ(FLCTL, 227),
106 INTC_IRQ(RTC, 231), INTC_IRQ(RTC, 232),
107 INTC_IRQ(RTC, 233),
108 INTC_IRQ(RCAN0, 234), INTC_IRQ(RCAN0, 235),
109 INTC_IRQ(RCAN0, 236), INTC_IRQ(RCAN0, 237),
110 INTC_IRQ(RCAN0, 238),
111 INTC_IRQ(RCAN1, 239), INTC_IRQ(RCAN1, 240),
112 INTC_IRQ(RCAN1, 241), INTC_IRQ(RCAN1, 242),
113 INTC_IRQ(RCAN1, 243),
114
115 /* SH7263-specific trash */
116 #ifdef CONFIG_CPU_SUBTYPE_SH7263
117 INTC_IRQ(ROMDEC, 218), INTC_IRQ(ROMDEC, 219),
118 INTC_IRQ(ROMDEC, 220), INTC_IRQ(ROMDEC, 221),
119 INTC_IRQ(ROMDEC, 222), INTC_IRQ(ROMDEC, 223),
120
121 INTC_IRQ(SDHI, 228), INTC_IRQ(SDHI, 229),
122 INTC_IRQ(SDHI, 230),
123
124 INTC_IRQ(SRC, 244), INTC_IRQ(SRC, 245),
125 INTC_IRQ(SRC, 246),
126
127 INTC_IRQ(IEBI, 247),
128 #endif
129 };
130
131 static struct intc_group groups[] __initdata = {
132 INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
133 PINT4, PINT5, PINT6, PINT7),
134 };
135
136 static struct intc_prio_reg prio_registers[] __initdata = {
137 { 0xfffe0818, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
138 { 0xfffe081a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
139 { 0xfffe0820, 0, 16, 4, /* IPR05 */ { PINT, 0, 0, 0 } },
140 { 0xfffe0c00, 0, 16, 4, /* IPR06 */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
141 { 0xfffe0c02, 0, 16, 4, /* IPR07 */ { DMAC4, DMAC5, DMAC6, DMAC7 } },
142 { 0xfffe0c04, 0, 16, 4, /* IPR08 */ { USB, LCDC, CMT0, CMT1 } },
143 { 0xfffe0c06, 0, 16, 4, /* IPR09 */ { BSC, WDT, MTU0_ABCD, MTU0_VEF } },
144 { 0xfffe0c08, 0, 16, 4, /* IPR10 */ { MTU1_AB, MTU1_VU, MTU2_AB,
145 MTU2_VU } },
146 { 0xfffe0c0a, 0, 16, 4, /* IPR11 */ { MTU3_ABCD, MTU2_TCI3V, MTU4_ABCD,
147 MTU2_TCI4V } },
148 { 0xfffe0c0c, 0, 16, 4, /* IPR12 */ { ADC_ADI, IIC30, IIC31, IIC32 } },
149 { 0xfffe0c0e, 0, 16, 4, /* IPR13 */ { IIC33, SCIF0, SCIF1, SCIF2 } },
150 { 0xfffe0c10, 0, 16, 4, /* IPR14 */ { SCIF3, SSU0, SSU1, SSI0_SSII } },
151 #ifdef CONFIG_CPU_SUBTYPE_SH7203
152 { 0xfffe0c12, 0, 16, 4, /* IPR15 */ { SSI1_SSII, SSI2_SSII,
153 SSI3_SSII, 0 } },
154 { 0xfffe0c14, 0, 16, 4, /* IPR16 */ { FLCTL, 0, RTC, RCAN0 } },
155 { 0xfffe0c16, 0, 16, 4, /* IPR17 */ { RCAN1, 0, 0, 0 } },
156 #else
157 { 0xfffe0c12, 0, 16, 4, /* IPR15 */ { SSI1_SSII, SSI2_SSII,
158 SSI3_SSII, ROMDEC } },
159 { 0xfffe0c14, 0, 16, 4, /* IPR16 */ { FLCTL, SDHI, RTC, RCAN0 } },
160 { 0xfffe0c16, 0, 16, 4, /* IPR17 */ { RCAN1, SRC, IEBI, 0 } },
161 #endif
162 };
163
164 static struct intc_mask_reg mask_registers[] __initdata = {
165 { 0xfffe0808, 0, 16, /* PINTER */
166 { 0, 0, 0, 0, 0, 0, 0, 0,
167 PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
168 };
169
170 static DECLARE_INTC_DESC(intc_desc, "sh7203", vectors, groups,
171 mask_registers, prio_registers, NULL);
172
173 static struct plat_sci_port scif0_platform_data = {
174 .scscr = SCSCR_REIE,
175 .type = PORT_SCIF,
176 .regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE,
177 };
178
179 static struct resource scif0_resources[] = {
180 DEFINE_RES_MEM(0xfffe8000, 0x100),
181 DEFINE_RES_IRQ(192),
182 };
183
184 static struct platform_device scif0_device = {
185 .name = "sh-sci",
186 .id = 0,
187 .resource = scif0_resources,
188 .num_resources = ARRAY_SIZE(scif0_resources),
189 .dev = {
190 .platform_data = &scif0_platform_data,
191 },
192 };
193
194 static struct plat_sci_port scif1_platform_data = {
195 .scscr = SCSCR_REIE,
196 .type = PORT_SCIF,
197 .regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE,
198 };
199
200 static struct resource scif1_resources[] = {
201 DEFINE_RES_MEM(0xfffe8800, 0x100),
202 DEFINE_RES_IRQ(196),
203 };
204
205 static struct platform_device scif1_device = {
206 .name = "sh-sci",
207 .id = 1,
208 .resource = scif1_resources,
209 .num_resources = ARRAY_SIZE(scif1_resources),
210 .dev = {
211 .platform_data = &scif1_platform_data,
212 },
213 };
214
215 static struct plat_sci_port scif2_platform_data = {
216 .scscr = SCSCR_REIE,
217 .type = PORT_SCIF,
218 .regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE,
219 };
220
221 static struct resource scif2_resources[] = {
222 DEFINE_RES_MEM(0xfffe9000, 0x100),
223 DEFINE_RES_IRQ(200),
224 };
225
226 static struct platform_device scif2_device = {
227 .name = "sh-sci",
228 .id = 2,
229 .resource = scif2_resources,
230 .num_resources = ARRAY_SIZE(scif2_resources),
231 .dev = {
232 .platform_data = &scif2_platform_data,
233 },
234 };
235
236 static struct plat_sci_port scif3_platform_data = {
237 .scscr = SCSCR_REIE,
238 .type = PORT_SCIF,
239 .regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE,
240 };
241
242 static struct resource scif3_resources[] = {
243 DEFINE_RES_MEM(0xfffe9800, 0x100),
244 DEFINE_RES_IRQ(204),
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 sh_timer_config cmt_platform_data = {
258 .channels_mask = 3,
259 };
260
261 static struct resource cmt_resources[] = {
262 DEFINE_RES_MEM(0xfffec000, 0x10),
263 DEFINE_RES_IRQ(142),
264 DEFINE_RES_IRQ(143),
265 };
266
267 static struct platform_device cmt_device = {
268 .name = "sh-cmt-16",
269 .id = 0,
270 .dev = {
271 .platform_data = &cmt_platform_data,
272 },
273 .resource = cmt_resources,
274 .num_resources = ARRAY_SIZE(cmt_resources),
275 };
276
277 static struct resource mtu2_resources[] = {
278 DEFINE_RES_MEM(0xfffe4000, 0x400),
279 DEFINE_RES_IRQ_NAMED(146, "tgi0a"),
280 DEFINE_RES_IRQ_NAMED(153, "tgi1a"),
281 };
282
283 static struct platform_device mtu2_device = {
284 .name = "sh-mtu2",
285 .id = -1,
286 .resource = mtu2_resources,
287 .num_resources = ARRAY_SIZE(mtu2_resources),
288 };
289
290 static struct resource rtc_resources[] = {
291 [0] = {
292 .start = 0xffff2000,
293 .end = 0xffff2000 + 0x58 - 1,
294 .flags = IORESOURCE_IO,
295 },
296 [1] = {
297 /* Shared Period/Carry/Alarm IRQ */
298 .start = 231,
299 .flags = IORESOURCE_IRQ,
300 },
301 };
302
303 static struct platform_device rtc_device = {
304 .name = "sh-rtc",
305 .id = -1,
306 .num_resources = ARRAY_SIZE(rtc_resources),
307 .resource = rtc_resources,
308 };
309
310 static struct platform_device *sh7203_devices[] __initdata = {
311 &scif0_device,
312 &scif1_device,
313 &scif2_device,
314 &scif3_device,
315 &cmt_device,
316 &mtu2_device,
317 &rtc_device,
318 };
319
sh7203_devices_setup(void)320 static int __init sh7203_devices_setup(void)
321 {
322 return platform_add_devices(sh7203_devices,
323 ARRAY_SIZE(sh7203_devices));
324 }
325 arch_initcall(sh7203_devices_setup);
326
plat_irq_setup(void)327 void __init plat_irq_setup(void)
328 {
329 register_intc_controller(&intc_desc);
330 }
331
332 static struct platform_device *sh7203_early_devices[] __initdata = {
333 &scif0_device,
334 &scif1_device,
335 &scif2_device,
336 &scif3_device,
337 &cmt_device,
338 &mtu2_device,
339 };
340
341 #define STBCR3 0xfffe0408
342 #define STBCR4 0xfffe040c
343
plat_early_device_setup(void)344 void __init plat_early_device_setup(void)
345 {
346 /* enable CMT clock */
347 __raw_writeb(__raw_readb(STBCR4) & ~0x04, STBCR4);
348
349 /* enable MTU2 clock */
350 __raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
351
352 early_platform_add_devices(sh7203_early_devices,
353 ARRAY_SIZE(sh7203_early_devices));
354 }
355