1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * SH7206 Setup
4 *
5 * Copyright (C) 2006 Yoshinori Sato
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 ADC_ADI0, ADC_ADI1,
22
23 DMAC0, DMAC1, DMAC2, DMAC3, DMAC4, DMAC5, DMAC6, DMAC7,
24
25 MTU0_ABCD, MTU0_VEF, MTU1_AB, MTU1_VU, MTU2_AB, MTU2_VU,
26 MTU3_ABCD, MTU4_ABCD, MTU5, POE2_12, MTU3S_ABCD, MTU4S_ABCD, MTU5S,
27 IIC3,
28
29 CMT0, CMT1, BSC, WDT,
30
31 MTU2_TCI3V, MTU2_TCI4V, MTU2S_TCI3V, MTU2S_TCI4V,
32
33 POE2_OEI3,
34
35 SCIF0, SCIF1, SCIF2, SCIF3,
36
37 /* interrupt groups */
38 PINT,
39 };
40
41 static struct intc_vect vectors[] __initdata = {
42 INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
43 INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
44 INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
45 INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
46 INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
47 INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
48 INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
49 INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
50 INTC_IRQ(ADC_ADI0, 92), INTC_IRQ(ADC_ADI1, 96),
51 INTC_IRQ(DMAC0, 108), INTC_IRQ(DMAC0, 109),
52 INTC_IRQ(DMAC1, 112), INTC_IRQ(DMAC1, 113),
53 INTC_IRQ(DMAC2, 116), INTC_IRQ(DMAC2, 117),
54 INTC_IRQ(DMAC3, 120), INTC_IRQ(DMAC3, 121),
55 INTC_IRQ(DMAC4, 124), INTC_IRQ(DMAC4, 125),
56 INTC_IRQ(DMAC5, 128), INTC_IRQ(DMAC5, 129),
57 INTC_IRQ(DMAC6, 132), INTC_IRQ(DMAC6, 133),
58 INTC_IRQ(DMAC7, 136), INTC_IRQ(DMAC7, 137),
59 INTC_IRQ(CMT0, 140), INTC_IRQ(CMT1, 144),
60 INTC_IRQ(BSC, 148), INTC_IRQ(WDT, 152),
61 INTC_IRQ(MTU0_ABCD, 156), INTC_IRQ(MTU0_ABCD, 157),
62 INTC_IRQ(MTU0_ABCD, 158), INTC_IRQ(MTU0_ABCD, 159),
63 INTC_IRQ(MTU0_VEF, 160), INTC_IRQ(MTU0_VEF, 161),
64 INTC_IRQ(MTU0_VEF, 162),
65 INTC_IRQ(MTU1_AB, 164), INTC_IRQ(MTU1_AB, 165),
66 INTC_IRQ(MTU1_VU, 168), INTC_IRQ(MTU1_VU, 169),
67 INTC_IRQ(MTU2_AB, 172), INTC_IRQ(MTU2_AB, 173),
68 INTC_IRQ(MTU2_VU, 176), INTC_IRQ(MTU2_VU, 177),
69 INTC_IRQ(MTU3_ABCD, 180), INTC_IRQ(MTU3_ABCD, 181),
70 INTC_IRQ(MTU3_ABCD, 182), INTC_IRQ(MTU3_ABCD, 183),
71 INTC_IRQ(MTU2_TCI3V, 184),
72 INTC_IRQ(MTU4_ABCD, 188), INTC_IRQ(MTU4_ABCD, 189),
73 INTC_IRQ(MTU4_ABCD, 190), INTC_IRQ(MTU4_ABCD, 191),
74 INTC_IRQ(MTU2_TCI4V, 192),
75 INTC_IRQ(MTU5, 196), INTC_IRQ(MTU5, 197),
76 INTC_IRQ(MTU5, 198),
77 INTC_IRQ(POE2_12, 200), INTC_IRQ(POE2_12, 201),
78 INTC_IRQ(MTU3S_ABCD, 204), INTC_IRQ(MTU3S_ABCD, 205),
79 INTC_IRQ(MTU3S_ABCD, 206), INTC_IRQ(MTU3S_ABCD, 207),
80 INTC_IRQ(MTU2S_TCI3V, 208),
81 INTC_IRQ(MTU4S_ABCD, 212), INTC_IRQ(MTU4S_ABCD, 213),
82 INTC_IRQ(MTU4S_ABCD, 214), INTC_IRQ(MTU4S_ABCD, 215),
83 INTC_IRQ(MTU2S_TCI4V, 216),
84 INTC_IRQ(MTU5S, 220), INTC_IRQ(MTU5S, 221),
85 INTC_IRQ(MTU5S, 222),
86 INTC_IRQ(POE2_OEI3, 224),
87 INTC_IRQ(IIC3, 228), INTC_IRQ(IIC3, 229),
88 INTC_IRQ(IIC3, 230), INTC_IRQ(IIC3, 231),
89 INTC_IRQ(IIC3, 232),
90 INTC_IRQ(SCIF0, 240), INTC_IRQ(SCIF0, 241),
91 INTC_IRQ(SCIF0, 242), INTC_IRQ(SCIF0, 243),
92 INTC_IRQ(SCIF1, 244), INTC_IRQ(SCIF1, 245),
93 INTC_IRQ(SCIF1, 246), INTC_IRQ(SCIF1, 247),
94 INTC_IRQ(SCIF2, 248), INTC_IRQ(SCIF2, 249),
95 INTC_IRQ(SCIF2, 250), INTC_IRQ(SCIF2, 251),
96 INTC_IRQ(SCIF3, 252), INTC_IRQ(SCIF3, 253),
97 INTC_IRQ(SCIF3, 254), INTC_IRQ(SCIF3, 255),
98 };
99
100 static struct intc_group groups[] __initdata = {
101 INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
102 PINT4, PINT5, PINT6, PINT7),
103 };
104
105 static struct intc_prio_reg prio_registers[] __initdata = {
106 { 0xfffe0818, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
107 { 0xfffe081a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
108 { 0xfffe0820, 0, 16, 4, /* IPR05 */ { PINT, 0, ADC_ADI0, ADC_ADI1 } },
109 { 0xfffe0c00, 0, 16, 4, /* IPR06 */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
110 { 0xfffe0c02, 0, 16, 4, /* IPR07 */ { DMAC4, DMAC5, DMAC6, DMAC7 } },
111 { 0xfffe0c04, 0, 16, 4, /* IPR08 */ { CMT0, CMT1, BSC, WDT } },
112 { 0xfffe0c06, 0, 16, 4, /* IPR09 */ { MTU0_ABCD, MTU0_VEF,
113 MTU1_AB, MTU1_VU } },
114 { 0xfffe0c08, 0, 16, 4, /* IPR10 */ { MTU2_AB, MTU2_VU,
115 MTU3_ABCD, MTU2_TCI3V } },
116 { 0xfffe0c0a, 0, 16, 4, /* IPR11 */ { MTU4_ABCD, MTU2_TCI4V,
117 MTU5, POE2_12 } },
118 { 0xfffe0c0c, 0, 16, 4, /* IPR12 */ { MTU3S_ABCD, MTU2S_TCI3V,
119 MTU4S_ABCD, MTU2S_TCI4V } },
120 { 0xfffe0c0e, 0, 16, 4, /* IPR13 */ { MTU5S, POE2_OEI3, IIC3, 0 } },
121 { 0xfffe0c10, 0, 16, 4, /* IPR14 */ { SCIF0, SCIF1, SCIF2, SCIF3 } },
122 };
123
124 static struct intc_mask_reg mask_registers[] __initdata = {
125 { 0xfffe0808, 0, 16, /* PINTER */
126 { 0, 0, 0, 0, 0, 0, 0, 0,
127 PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
128 };
129
130 static DECLARE_INTC_DESC(intc_desc, "sh7206", vectors, groups,
131 mask_registers, prio_registers, NULL);
132
133 static struct plat_sci_port scif0_platform_data = {
134 .scscr = SCSCR_REIE,
135 .type = PORT_SCIF,
136 };
137
138 static struct resource scif0_resources[] = {
139 DEFINE_RES_MEM(0xfffe8000, 0x100),
140 DEFINE_RES_IRQ(240),
141 };
142
143 static struct platform_device scif0_device = {
144 .name = "sh-sci",
145 .id = 0,
146 .resource = scif0_resources,
147 .num_resources = ARRAY_SIZE(scif0_resources),
148 .dev = {
149 .platform_data = &scif0_platform_data,
150 },
151 };
152
153 static struct plat_sci_port scif1_platform_data = {
154 .scscr = SCSCR_REIE,
155 .type = PORT_SCIF,
156 };
157
158 static struct resource scif1_resources[] = {
159 DEFINE_RES_MEM(0xfffe8800, 0x100),
160 DEFINE_RES_IRQ(244),
161 };
162
163 static struct platform_device scif1_device = {
164 .name = "sh-sci",
165 .id = 1,
166 .resource = scif1_resources,
167 .num_resources = ARRAY_SIZE(scif1_resources),
168 .dev = {
169 .platform_data = &scif1_platform_data,
170 },
171 };
172
173 static struct plat_sci_port scif2_platform_data = {
174 .scscr = SCSCR_REIE,
175 .type = PORT_SCIF,
176 };
177
178 static struct resource scif2_resources[] = {
179 DEFINE_RES_MEM(0xfffe9000, 0x100),
180 DEFINE_RES_IRQ(248),
181 };
182
183 static struct platform_device scif2_device = {
184 .name = "sh-sci",
185 .id = 2,
186 .resource = scif2_resources,
187 .num_resources = ARRAY_SIZE(scif2_resources),
188 .dev = {
189 .platform_data = &scif2_platform_data,
190 },
191 };
192
193 static struct plat_sci_port scif3_platform_data = {
194 .scscr = SCSCR_REIE,
195 .type = PORT_SCIF,
196 };
197
198 static struct resource scif3_resources[] = {
199 DEFINE_RES_MEM(0xfffe9800, 0x100),
200 DEFINE_RES_IRQ(252),
201 };
202
203 static struct platform_device scif3_device = {
204 .name = "sh-sci",
205 .id = 3,
206 .resource = scif3_resources,
207 .num_resources = ARRAY_SIZE(scif3_resources),
208 .dev = {
209 .platform_data = &scif3_platform_data,
210 },
211 };
212
213 static struct sh_timer_config cmt_platform_data = {
214 .channels_mask = 3,
215 };
216
217 static struct resource cmt_resources[] = {
218 DEFINE_RES_MEM(0xfffec000, 0x10),
219 DEFINE_RES_IRQ(140),
220 DEFINE_RES_IRQ(144),
221 };
222
223 static struct platform_device cmt_device = {
224 .name = "sh-cmt-16",
225 .id = 0,
226 .dev = {
227 .platform_data = &cmt_platform_data,
228 },
229 .resource = cmt_resources,
230 .num_resources = ARRAY_SIZE(cmt_resources),
231 };
232
233 static struct resource mtu2_resources[] = {
234 DEFINE_RES_MEM(0xfffe4000, 0x400),
235 DEFINE_RES_IRQ_NAMED(156, "tgi0a"),
236 DEFINE_RES_IRQ_NAMED(164, "tgi1a"),
237 DEFINE_RES_IRQ_NAMED(180, "tgi2a"),
238 };
239
240 static struct platform_device mtu2_device = {
241 .name = "sh-mtu2s",
242 .id = -1,
243 .resource = mtu2_resources,
244 .num_resources = ARRAY_SIZE(mtu2_resources),
245 };
246
247 static struct platform_device *sh7206_devices[] __initdata = {
248 &scif0_device,
249 &scif1_device,
250 &scif2_device,
251 &scif3_device,
252 &cmt_device,
253 &mtu2_device,
254 };
255
sh7206_devices_setup(void)256 static int __init sh7206_devices_setup(void)
257 {
258 return platform_add_devices(sh7206_devices,
259 ARRAY_SIZE(sh7206_devices));
260 }
261 arch_initcall(sh7206_devices_setup);
262
plat_irq_setup(void)263 void __init plat_irq_setup(void)
264 {
265 register_intc_controller(&intc_desc);
266 }
267
268 static struct platform_device *sh7206_early_devices[] __initdata = {
269 &scif0_device,
270 &scif1_device,
271 &scif2_device,
272 &scif3_device,
273 &cmt_device,
274 &mtu2_device,
275 };
276
277 #define STBCR3 0xfffe0408
278 #define STBCR4 0xfffe040c
279
plat_early_device_setup(void)280 void __init plat_early_device_setup(void)
281 {
282 /* enable CMT clock */
283 __raw_writeb(__raw_readb(STBCR4) & ~0x04, STBCR4);
284
285 /* enable MTU2 clock */
286 __raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
287
288 early_platform_add_devices(sh7206_early_devices,
289 ARRAY_SIZE(sh7206_early_devices));
290 }
291