1 /*
2  * SH7203 and SH7263 Setup
3  *
4  *  Copyright (C) 2007 - 2009  Paul Mundt
5  *
6  * This file is subject to the terms and conditions of the GNU General Public
7  * License.  See the file "COPYING" in the main directory of this archive
8  * for more details.
9  */
10 #include <linux/platform_device.h>
11 #include <linux/init.h>
12 #include <linux/serial.h>
13 #include <linux/serial_sci.h>
14 #include <linux/sh_timer.h>
15 #include <linux/io.h>
16 
17 enum {
18 	UNUSED = 0,
19 
20 	/* interrupt sources */
21 	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
22 	PINT0, PINT1, PINT2, PINT3, PINT4, PINT5, PINT6, PINT7,
23 	DMAC0, DMAC1, DMAC2, DMAC3, DMAC4, DMAC5, DMAC6, DMAC7,
24 	USB, LCDC, CMT0, CMT1, BSC, WDT,
25 
26 	MTU0_ABCD, MTU0_VEF, MTU1_AB, MTU1_VU, MTU2_AB, MTU2_VU,
27 	MTU3_ABCD, MTU4_ABCD, MTU2_TCI3V, MTU2_TCI4V,
28 
29 	ADC_ADI,
30 
31 	IIC30, IIC31, IIC32, IIC33,
32 	SCIF0, SCIF1, SCIF2, SCIF3,
33 
34 	SSU0, SSU1,
35 
36 	SSI0_SSII, SSI1_SSII, SSI2_SSII, SSI3_SSII,
37 
38 	/* ROM-DEC, SDHI, SRC, and IEB are SH7263 specific */
39 	ROMDEC, FLCTL, SDHI, RTC, RCAN0, RCAN1,
40 	SRC, IEBI,
41 
42 	/* interrupt groups */
43 	PINT,
44 };
45 
46 static struct intc_vect vectors[] __initdata = {
47 	INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
48 	INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
49 	INTC_IRQ(IRQ4, 68), INTC_IRQ(IRQ5, 69),
50 	INTC_IRQ(IRQ6, 70), INTC_IRQ(IRQ7, 71),
51 	INTC_IRQ(PINT0, 80), INTC_IRQ(PINT1, 81),
52 	INTC_IRQ(PINT2, 82), INTC_IRQ(PINT3, 83),
53 	INTC_IRQ(PINT4, 84), INTC_IRQ(PINT5, 85),
54 	INTC_IRQ(PINT6, 86), INTC_IRQ(PINT7, 87),
55 	INTC_IRQ(DMAC0, 108), INTC_IRQ(DMAC0, 109),
56 	INTC_IRQ(DMAC1, 112), INTC_IRQ(DMAC1, 113),
57 	INTC_IRQ(DMAC2, 116), INTC_IRQ(DMAC2, 117),
58 	INTC_IRQ(DMAC3, 120), INTC_IRQ(DMAC3, 121),
59 	INTC_IRQ(DMAC4, 124), INTC_IRQ(DMAC4, 125),
60 	INTC_IRQ(DMAC5, 128), INTC_IRQ(DMAC5, 129),
61 	INTC_IRQ(DMAC6, 132), INTC_IRQ(DMAC6, 133),
62 	INTC_IRQ(DMAC7, 136), INTC_IRQ(DMAC7, 137),
63 	INTC_IRQ(USB, 140), INTC_IRQ(LCDC, 141),
64 	INTC_IRQ(CMT0, 142), INTC_IRQ(CMT1, 143),
65 	INTC_IRQ(BSC, 144), INTC_IRQ(WDT, 145),
66 	INTC_IRQ(MTU0_ABCD, 146), INTC_IRQ(MTU0_ABCD, 147),
67 	INTC_IRQ(MTU0_ABCD, 148), INTC_IRQ(MTU0_ABCD, 149),
68 	INTC_IRQ(MTU0_VEF, 150),
69 	INTC_IRQ(MTU0_VEF, 151), INTC_IRQ(MTU0_VEF, 152),
70 	INTC_IRQ(MTU1_AB, 153), INTC_IRQ(MTU1_AB, 154),
71 	INTC_IRQ(MTU1_VU, 155), INTC_IRQ(MTU1_VU, 156),
72 	INTC_IRQ(MTU2_AB, 157), INTC_IRQ(MTU2_AB, 158),
73 	INTC_IRQ(MTU2_VU, 159), INTC_IRQ(MTU2_VU, 160),
74 	INTC_IRQ(MTU3_ABCD, 161), INTC_IRQ(MTU3_ABCD, 162),
75 	INTC_IRQ(MTU3_ABCD, 163), INTC_IRQ(MTU3_ABCD, 164),
76 	INTC_IRQ(MTU2_TCI3V, 165),
77 	INTC_IRQ(MTU4_ABCD, 166), INTC_IRQ(MTU4_ABCD, 167),
78 	INTC_IRQ(MTU4_ABCD, 168), INTC_IRQ(MTU4_ABCD, 169),
79 	INTC_IRQ(MTU2_TCI4V, 170),
80 	INTC_IRQ(ADC_ADI, 171),
81 	INTC_IRQ(IIC30, 172), INTC_IRQ(IIC30, 173),
82 	INTC_IRQ(IIC30, 174), INTC_IRQ(IIC30, 175),
83 	INTC_IRQ(IIC30, 176),
84 	INTC_IRQ(IIC31, 177), INTC_IRQ(IIC31, 178),
85 	INTC_IRQ(IIC31, 179), INTC_IRQ(IIC31, 180),
86 	INTC_IRQ(IIC31, 181),
87 	INTC_IRQ(IIC32, 182), INTC_IRQ(IIC32, 183),
88 	INTC_IRQ(IIC32, 184), INTC_IRQ(IIC32, 185),
89 	INTC_IRQ(IIC32, 186),
90 	INTC_IRQ(IIC33, 187), INTC_IRQ(IIC33, 188),
91 	INTC_IRQ(IIC33, 189), INTC_IRQ(IIC33, 190),
92 	INTC_IRQ(IIC33, 191),
93 	INTC_IRQ(SCIF0, 192), INTC_IRQ(SCIF0, 193),
94 	INTC_IRQ(SCIF0, 194), INTC_IRQ(SCIF0, 195),
95 	INTC_IRQ(SCIF1, 196), INTC_IRQ(SCIF1, 197),
96 	INTC_IRQ(SCIF1, 198), INTC_IRQ(SCIF1, 199),
97 	INTC_IRQ(SCIF2, 200), INTC_IRQ(SCIF2, 201),
98 	INTC_IRQ(SCIF2, 202), INTC_IRQ(SCIF2, 203),
99 	INTC_IRQ(SCIF3, 204), INTC_IRQ(SCIF3, 205),
100 	INTC_IRQ(SCIF3, 206), INTC_IRQ(SCIF3, 207),
101 	INTC_IRQ(SSU0, 208), INTC_IRQ(SSU0, 209),
102 	INTC_IRQ(SSU0, 210),
103 	INTC_IRQ(SSU1, 211), INTC_IRQ(SSU1, 212),
104 	INTC_IRQ(SSU1, 213),
105 	INTC_IRQ(SSI0_SSII, 214), INTC_IRQ(SSI1_SSII, 215),
106 	INTC_IRQ(SSI2_SSII, 216), INTC_IRQ(SSI3_SSII, 217),
107 	INTC_IRQ(FLCTL, 224), INTC_IRQ(FLCTL, 225),
108 	INTC_IRQ(FLCTL, 226), INTC_IRQ(FLCTL, 227),
109 	INTC_IRQ(RTC, 231), INTC_IRQ(RTC, 232),
110 	INTC_IRQ(RTC, 233),
111 	INTC_IRQ(RCAN0, 234), INTC_IRQ(RCAN0, 235),
112 	INTC_IRQ(RCAN0, 236), INTC_IRQ(RCAN0, 237),
113 	INTC_IRQ(RCAN0, 238),
114 	INTC_IRQ(RCAN1, 239), INTC_IRQ(RCAN1, 240),
115 	INTC_IRQ(RCAN1, 241), INTC_IRQ(RCAN1, 242),
116 	INTC_IRQ(RCAN1, 243),
117 
118 	/* SH7263-specific trash */
119 #ifdef CONFIG_CPU_SUBTYPE_SH7263
120 	INTC_IRQ(ROMDEC, 218), INTC_IRQ(ROMDEC, 219),
121 	INTC_IRQ(ROMDEC, 220), INTC_IRQ(ROMDEC, 221),
122 	INTC_IRQ(ROMDEC, 222), INTC_IRQ(ROMDEC, 223),
123 
124 	INTC_IRQ(SDHI, 228), INTC_IRQ(SDHI, 229),
125 	INTC_IRQ(SDHI, 230),
126 
127 	INTC_IRQ(SRC, 244), INTC_IRQ(SRC, 245),
128 	INTC_IRQ(SRC, 246),
129 
130 	INTC_IRQ(IEBI, 247),
131 #endif
132 };
133 
134 static struct intc_group groups[] __initdata = {
135 	INTC_GROUP(PINT, PINT0, PINT1, PINT2, PINT3,
136 		   PINT4, PINT5, PINT6, PINT7),
137 };
138 
139 static struct intc_prio_reg prio_registers[] __initdata = {
140 	{ 0xfffe0818, 0, 16, 4, /* IPR01 */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
141 	{ 0xfffe081a, 0, 16, 4, /* IPR02 */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
142 	{ 0xfffe0820, 0, 16, 4, /* IPR05 */ { PINT, 0, 0, 0 } },
143 	{ 0xfffe0c00, 0, 16, 4, /* IPR06 */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
144 	{ 0xfffe0c02, 0, 16, 4, /* IPR07 */ { DMAC4, DMAC5, DMAC6, DMAC7 } },
145 	{ 0xfffe0c04, 0, 16, 4, /* IPR08 */ { USB, LCDC, CMT0, CMT1 } },
146 	{ 0xfffe0c06, 0, 16, 4, /* IPR09 */ { BSC, WDT, MTU0_ABCD, MTU0_VEF } },
147 	{ 0xfffe0c08, 0, 16, 4, /* IPR10 */ { MTU1_AB, MTU1_VU, MTU2_AB,
148 					      MTU2_VU } },
149 	{ 0xfffe0c0a, 0, 16, 4, /* IPR11 */ { MTU3_ABCD, MTU2_TCI3V, MTU4_ABCD,
150 					      MTU2_TCI4V } },
151 	{ 0xfffe0c0c, 0, 16, 4, /* IPR12 */ { ADC_ADI, IIC30, IIC31, IIC32 } },
152 	{ 0xfffe0c0e, 0, 16, 4, /* IPR13 */ { IIC33, SCIF0, SCIF1, SCIF2 } },
153 	{ 0xfffe0c10, 0, 16, 4, /* IPR14 */ { SCIF3, SSU0, SSU1, SSI0_SSII } },
154 #ifdef CONFIG_CPU_SUBTYPE_SH7203
155 	{ 0xfffe0c12, 0, 16, 4, /* IPR15 */ { SSI1_SSII, SSI2_SSII,
156 					      SSI3_SSII, 0 } },
157 	{ 0xfffe0c14, 0, 16, 4, /* IPR16 */ { FLCTL, 0, RTC, RCAN0 } },
158 	{ 0xfffe0c16, 0, 16, 4, /* IPR17 */ { RCAN1, 0, 0, 0 } },
159 #else
160 	{ 0xfffe0c12, 0, 16, 4, /* IPR15 */ { SSI1_SSII, SSI2_SSII,
161 					      SSI3_SSII, ROMDEC } },
162 	{ 0xfffe0c14, 0, 16, 4, /* IPR16 */ { FLCTL, SDHI, RTC, RCAN0 } },
163 	{ 0xfffe0c16, 0, 16, 4, /* IPR17 */ { RCAN1, SRC, IEBI, 0 } },
164 #endif
165 };
166 
167 static struct intc_mask_reg mask_registers[] __initdata = {
168 	{ 0xfffe0808, 0, 16, /* PINTER */
169 	  { 0, 0, 0, 0, 0, 0, 0, 0,
170 	    PINT7, PINT6, PINT5, PINT4, PINT3, PINT2, PINT1, PINT0 } },
171 };
172 
173 static DECLARE_INTC_DESC(intc_desc, "sh7203", vectors, groups,
174 			 mask_registers, prio_registers, NULL);
175 
176 static struct plat_sci_port scif0_platform_data = {
177 	.scscr		= SCSCR_REIE,
178 	.type		= PORT_SCIF,
179 	.regtype	= SCIx_SH2_SCIF_FIFODATA_REGTYPE,
180 };
181 
182 static struct resource scif0_resources[] = {
183 	DEFINE_RES_MEM(0xfffe8000, 0x100),
184 	DEFINE_RES_IRQ(192),
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 	.regtype	= SCIx_SH2_SCIF_FIFODATA_REGTYPE,
201 };
202 
203 static struct resource scif1_resources[] = {
204 	DEFINE_RES_MEM(0xfffe8800, 0x100),
205 	DEFINE_RES_IRQ(196),
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 	.regtype	= SCIx_SH2_SCIF_FIFODATA_REGTYPE,
222 };
223 
224 static struct resource scif2_resources[] = {
225 	DEFINE_RES_MEM(0xfffe9000, 0x100),
226 	DEFINE_RES_IRQ(200),
227 };
228 
229 static struct platform_device scif2_device = {
230 	.name		= "sh-sci",
231 	.id		= 2,
232 	.resource	= scif2_resources,
233 	.num_resources	= ARRAY_SIZE(scif2_resources),
234 	.dev		= {
235 		.platform_data	= &scif2_platform_data,
236 	},
237 };
238 
239 static struct plat_sci_port scif3_platform_data = {
240 	.scscr		= SCSCR_REIE,
241 	.type		= PORT_SCIF,
242 	.regtype	= SCIx_SH2_SCIF_FIFODATA_REGTYPE,
243 };
244 
245 static struct resource scif3_resources[] = {
246 	DEFINE_RES_MEM(0xfffe9800, 0x100),
247 	DEFINE_RES_IRQ(204),
248 };
249 
250 static struct platform_device scif3_device = {
251 	.name		= "sh-sci",
252 	.id		= 3,
253 	.resource	= scif3_resources,
254 	.num_resources	= ARRAY_SIZE(scif3_resources),
255 	.dev		= {
256 		.platform_data	= &scif3_platform_data,
257 	},
258 };
259 
260 static struct sh_timer_config cmt_platform_data = {
261 	.channels_mask = 3,
262 };
263 
264 static struct resource cmt_resources[] = {
265 	DEFINE_RES_MEM(0xfffec000, 0x10),
266 	DEFINE_RES_IRQ(142),
267 	DEFINE_RES_IRQ(143),
268 };
269 
270 static struct platform_device cmt_device = {
271 	.name		= "sh-cmt-16",
272 	.id		= 0,
273 	.dev = {
274 		.platform_data	= &cmt_platform_data,
275 	},
276 	.resource	= cmt_resources,
277 	.num_resources	= ARRAY_SIZE(cmt_resources),
278 };
279 
280 static struct resource mtu2_resources[] = {
281 	DEFINE_RES_MEM(0xfffe4000, 0x400),
282 	DEFINE_RES_IRQ_NAMED(146, "tgi0a"),
283 	DEFINE_RES_IRQ_NAMED(153, "tgi1a"),
284 };
285 
286 static struct platform_device mtu2_device = {
287 	.name		= "sh-mtu2",
288 	.id		= -1,
289 	.resource	= mtu2_resources,
290 	.num_resources	= ARRAY_SIZE(mtu2_resources),
291 };
292 
293 static struct resource rtc_resources[] = {
294 	[0] = {
295 		.start	= 0xffff2000,
296 		.end	= 0xffff2000 + 0x58 - 1,
297 		.flags	= IORESOURCE_IO,
298 	},
299 	[1] = {
300 		/* Shared Period/Carry/Alarm IRQ */
301 		.start	= 231,
302 		.flags	= IORESOURCE_IRQ,
303 	},
304 };
305 
306 static struct platform_device rtc_device = {
307 	.name		= "sh-rtc",
308 	.id		= -1,
309 	.num_resources	= ARRAY_SIZE(rtc_resources),
310 	.resource	= rtc_resources,
311 };
312 
313 static struct platform_device *sh7203_devices[] __initdata = {
314 	&scif0_device,
315 	&scif1_device,
316 	&scif2_device,
317 	&scif3_device,
318 	&cmt_device,
319 	&mtu2_device,
320 	&rtc_device,
321 };
322 
323 static int __init sh7203_devices_setup(void)
324 {
325 	return platform_add_devices(sh7203_devices,
326 				    ARRAY_SIZE(sh7203_devices));
327 }
328 arch_initcall(sh7203_devices_setup);
329 
330 void __init plat_irq_setup(void)
331 {
332 	register_intc_controller(&intc_desc);
333 }
334 
335 static struct platform_device *sh7203_early_devices[] __initdata = {
336 	&scif0_device,
337 	&scif1_device,
338 	&scif2_device,
339 	&scif3_device,
340 	&cmt_device,
341 	&mtu2_device,
342 };
343 
344 #define STBCR3 0xfffe0408
345 #define STBCR4 0xfffe040c
346 
347 void __init plat_early_device_setup(void)
348 {
349 	/* enable CMT clock */
350 	__raw_writeb(__raw_readb(STBCR4) & ~0x04, STBCR4);
351 
352 	/* enable MTU2 clock */
353 	__raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
354 
355 	early_platform_add_devices(sh7203_early_devices,
356 				   ARRAY_SIZE(sh7203_early_devices));
357 }
358