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1 /*
2  * SH7366 Setup
3  *
4  *  Copyright (C) 2008 Renesas Solutions
5  *
6  * Based on linux/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
7  *
8  * This file is subject to the terms and conditions of the GNU General Public
9  * License.  See the file "COPYING" in the main directory of this archive
10  * for more details.
11  */
12 #include <linux/platform_device.h>
13 #include <linux/init.h>
14 #include <linux/serial.h>
15 #include <linux/serial_sci.h>
16 #include <linux/uio_driver.h>
17 #include <linux/sh_timer.h>
18 #include <linux/sh_intc.h>
19 #include <linux/usb/r8a66597.h>
20 #include <asm/clock.h>
21 
22 static struct plat_sci_port scif0_platform_data = {
23 	.mapbase	= 0xffe00000,
24 	.port_reg	= 0xa405013e,
25 	.flags		= UPF_BOOT_AUTOCONF,
26 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE,
27 	.scbrr_algo_id	= SCBRR_ALGO_2,
28 	.type		= PORT_SCIF,
29 	.irqs		= SCIx_IRQ_MUXED(evt2irq(0xc00)),
30 };
31 
32 static struct platform_device scif0_device = {
33 	.name		= "sh-sci",
34 	.id		= 0,
35 	.dev		= {
36 		.platform_data	= &scif0_platform_data,
37 	},
38 };
39 
40 static struct resource iic_resources[] = {
41 	[0] = {
42 		.name	= "IIC",
43 		.start  = 0x04470000,
44 		.end    = 0x04470017,
45 		.flags  = IORESOURCE_MEM,
46 	},
47 	[1] = {
48 		.start  = evt2irq(0xe00),
49 		.end    = evt2irq(0xe60),
50 		.flags  = IORESOURCE_IRQ,
51        },
52 };
53 
54 static struct platform_device iic_device = {
55 	.name           = "i2c-sh_mobile",
56 	.id             = 0, /* "i2c0" clock */
57 	.num_resources  = ARRAY_SIZE(iic_resources),
58 	.resource       = iic_resources,
59 };
60 
61 static struct r8a66597_platdata r8a66597_data = {
62 	.on_chip = 1,
63 };
64 
65 static struct resource usb_host_resources[] = {
66 	[0] = {
67 		.start  = 0xa4d80000,
68 		.end    = 0xa4d800ff,
69 		.flags  = IORESOURCE_MEM,
70 	},
71 	[1] = {
72 		.start  = evt2irq(0xa20),
73 		.end    = evt2irq(0xa20),
74 		.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
75 	},
76 };
77 
78 static struct platform_device usb_host_device = {
79 	.name	= "r8a66597_hcd",
80 	.id	= -1,
81 	.dev = {
82 		.dma_mask		= NULL,
83 		.coherent_dma_mask	= 0xffffffff,
84 		.platform_data		= &r8a66597_data,
85 	},
86 	.num_resources	= ARRAY_SIZE(usb_host_resources),
87 	.resource	= usb_host_resources,
88 };
89 
90 static struct uio_info vpu_platform_data = {
91 	.name = "VPU5",
92 	.version = "0",
93 	.irq = evt2irq(0x980),
94 };
95 
96 static struct resource vpu_resources[] = {
97 	[0] = {
98 		.name	= "VPU",
99 		.start	= 0xfe900000,
100 		.end	= 0xfe902807,
101 		.flags	= IORESOURCE_MEM,
102 	},
103 	[1] = {
104 		/* place holder for contiguous memory */
105 	},
106 };
107 
108 static struct platform_device vpu_device = {
109 	.name		= "uio_pdrv_genirq",
110 	.id		= 0,
111 	.dev = {
112 		.platform_data	= &vpu_platform_data,
113 	},
114 	.resource	= vpu_resources,
115 	.num_resources	= ARRAY_SIZE(vpu_resources),
116 };
117 
118 static struct uio_info veu0_platform_data = {
119 	.name = "VEU",
120 	.version = "0",
121 	.irq = evt2irq(0x8c0),
122 };
123 
124 static struct resource veu0_resources[] = {
125 	[0] = {
126 		.name	= "VEU(1)",
127 		.start	= 0xfe920000,
128 		.end	= 0xfe9200b7,
129 		.flags	= IORESOURCE_MEM,
130 	},
131 	[1] = {
132 		/* place holder for contiguous memory */
133 	},
134 };
135 
136 static struct platform_device veu0_device = {
137 	.name		= "uio_pdrv_genirq",
138 	.id		= 1,
139 	.dev = {
140 		.platform_data	= &veu0_platform_data,
141 	},
142 	.resource	= veu0_resources,
143 	.num_resources	= ARRAY_SIZE(veu0_resources),
144 };
145 
146 static struct uio_info veu1_platform_data = {
147 	.name = "VEU",
148 	.version = "0",
149 	.irq = evt2irq(0x560),
150 };
151 
152 static struct resource veu1_resources[] = {
153 	[0] = {
154 		.name	= "VEU(2)",
155 		.start	= 0xfe924000,
156 		.end	= 0xfe9240b7,
157 		.flags	= IORESOURCE_MEM,
158 	},
159 	[1] = {
160 		/* place holder for contiguous memory */
161 	},
162 };
163 
164 static struct platform_device veu1_device = {
165 	.name		= "uio_pdrv_genirq",
166 	.id		= 2,
167 	.dev = {
168 		.platform_data	= &veu1_platform_data,
169 	},
170 	.resource	= veu1_resources,
171 	.num_resources	= ARRAY_SIZE(veu1_resources),
172 };
173 
174 static struct sh_timer_config cmt_platform_data = {
175 	.channel_offset = 0x60,
176 	.timer_bit = 5,
177 	.clockevent_rating = 125,
178 	.clocksource_rating = 200,
179 };
180 
181 static struct resource cmt_resources[] = {
182 	[0] = {
183 		.start	= 0x044a0060,
184 		.end	= 0x044a006b,
185 		.flags	= IORESOURCE_MEM,
186 	},
187 	[1] = {
188 		.start	= evt2irq(0xf00),
189 		.flags	= IORESOURCE_IRQ,
190 	},
191 };
192 
193 static struct platform_device cmt_device = {
194 	.name		= "sh_cmt",
195 	.id		= 0,
196 	.dev = {
197 		.platform_data	= &cmt_platform_data,
198 	},
199 	.resource	= cmt_resources,
200 	.num_resources	= ARRAY_SIZE(cmt_resources),
201 };
202 
203 static struct sh_timer_config tmu0_platform_data = {
204 	.channel_offset = 0x04,
205 	.timer_bit = 0,
206 	.clockevent_rating = 200,
207 };
208 
209 static struct resource tmu0_resources[] = {
210 	[0] = {
211 		.start	= 0xffd80008,
212 		.end	= 0xffd80013,
213 		.flags	= IORESOURCE_MEM,
214 	},
215 	[1] = {
216 		.start	= 16,
217 		.flags	= IORESOURCE_IRQ,
218 	},
219 };
220 
221 static struct platform_device tmu0_device = {
222 	.name		= "sh_tmu",
223 	.id		= 0,
224 	.dev = {
225 		.platform_data	= &tmu0_platform_data,
226 	},
227 	.resource	= tmu0_resources,
228 	.num_resources	= ARRAY_SIZE(tmu0_resources),
229 };
230 
231 static struct sh_timer_config tmu1_platform_data = {
232 	.channel_offset = 0x10,
233 	.timer_bit = 1,
234 	.clocksource_rating = 200,
235 };
236 
237 static struct resource tmu1_resources[] = {
238 	[0] = {
239 		.start	= 0xffd80014,
240 		.end	= 0xffd8001f,
241 		.flags	= IORESOURCE_MEM,
242 	},
243 	[1] = {
244 		.start	= evt2irq(0x420),
245 		.flags	= IORESOURCE_IRQ,
246 	},
247 };
248 
249 static struct platform_device tmu1_device = {
250 	.name		= "sh_tmu",
251 	.id		= 1,
252 	.dev = {
253 		.platform_data	= &tmu1_platform_data,
254 	},
255 	.resource	= tmu1_resources,
256 	.num_resources	= ARRAY_SIZE(tmu1_resources),
257 };
258 
259 static struct sh_timer_config tmu2_platform_data = {
260 	.channel_offset = 0x1c,
261 	.timer_bit = 2,
262 };
263 
264 static struct resource tmu2_resources[] = {
265 	[0] = {
266 		.start	= 0xffd80020,
267 		.end	= 0xffd8002b,
268 		.flags	= IORESOURCE_MEM,
269 	},
270 	[1] = {
271 		.start	= evt2irq(0x440),
272 		.flags	= IORESOURCE_IRQ,
273 	},
274 };
275 
276 static struct platform_device tmu2_device = {
277 	.name		= "sh_tmu",
278 	.id		= 2,
279 	.dev = {
280 		.platform_data	= &tmu2_platform_data,
281 	},
282 	.resource	= tmu2_resources,
283 	.num_resources	= ARRAY_SIZE(tmu2_resources),
284 };
285 
286 static struct platform_device *sh7366_devices[] __initdata = {
287 	&scif0_device,
288 	&cmt_device,
289 	&tmu0_device,
290 	&tmu1_device,
291 	&tmu2_device,
292 	&iic_device,
293 	&usb_host_device,
294 	&vpu_device,
295 	&veu0_device,
296 	&veu1_device,
297 };
298 
sh7366_devices_setup(void)299 static int __init sh7366_devices_setup(void)
300 {
301 	platform_resource_setup_memory(&vpu_device, "vpu", 2 << 20);
302 	platform_resource_setup_memory(&veu0_device, "veu0", 2 << 20);
303 	platform_resource_setup_memory(&veu1_device, "veu1", 2 << 20);
304 
305 	return platform_add_devices(sh7366_devices,
306 				    ARRAY_SIZE(sh7366_devices));
307 }
308 arch_initcall(sh7366_devices_setup);
309 
310 static struct platform_device *sh7366_early_devices[] __initdata = {
311 	&scif0_device,
312 	&cmt_device,
313 	&tmu0_device,
314 	&tmu1_device,
315 	&tmu2_device,
316 };
317 
plat_early_device_setup(void)318 void __init plat_early_device_setup(void)
319 {
320 	early_platform_add_devices(sh7366_early_devices,
321 				   ARRAY_SIZE(sh7366_early_devices));
322 }
323 
324 enum {
325 	UNUSED=0,
326 	ENABLED,
327 	DISABLED,
328 
329 	/* interrupt sources */
330 	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
331 	ICB,
332 	DMAC0, DMAC1, DMAC2, DMAC3,
333 	VIO_CEUI, VIO_BEUI, VIO_VEUI, VOU,
334 	MFI, VPU, USB,
335 	MMC_MMC1I, MMC_MMC2I, MMC_MMC3I,
336 	DMAC4, DMAC5, DMAC_DADERR,
337 	SCIF, SCIFA1, SCIFA2,
338 	DENC, MSIOF,
339 	FLCTL_FLSTEI, FLCTL_FLENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I,
340 	I2C_ALI, I2C_TACKI, I2C_WAITI, I2C_DTEI,
341 	SDHI, CMT, TSIF, SIU,
342 	TMU0, TMU1, TMU2,
343 	VEU2, LCDC,
344 
345 	/* interrupt groups */
346 
347 	DMAC0123, VIOVOU, MMC, DMAC45, FLCTL, I2C,
348 };
349 
350 static struct intc_vect vectors[] __initdata = {
351 	INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620),
352 	INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660),
353 	INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0),
354 	INTC_VECT(IRQ6, 0x6c0), INTC_VECT(IRQ7, 0x6e0),
355 	INTC_VECT(ICB, 0x700),
356 	INTC_VECT(DMAC0, 0x800), INTC_VECT(DMAC1, 0x820),
357 	INTC_VECT(DMAC2, 0x840), INTC_VECT(DMAC3, 0x860),
358 	INTC_VECT(VIO_CEUI, 0x880), INTC_VECT(VIO_BEUI, 0x8a0),
359 	INTC_VECT(VIO_VEUI, 0x8c0), INTC_VECT(VOU, 0x8e0),
360 	INTC_VECT(MFI, 0x900), INTC_VECT(VPU, 0x980), INTC_VECT(USB, 0xa20),
361 	INTC_VECT(MMC_MMC1I, 0xb00), INTC_VECT(MMC_MMC2I, 0xb20),
362 	INTC_VECT(MMC_MMC3I, 0xb40),
363 	INTC_VECT(DMAC4, 0xb80), INTC_VECT(DMAC5, 0xba0),
364 	INTC_VECT(DMAC_DADERR, 0xbc0),
365 	INTC_VECT(SCIF, 0xc00), INTC_VECT(SCIFA1, 0xc20),
366 	INTC_VECT(SCIFA2, 0xc40),
367 	INTC_VECT(DENC, 0xc60), INTC_VECT(MSIOF, 0xc80),
368 	INTC_VECT(FLCTL_FLSTEI, 0xd80), INTC_VECT(FLCTL_FLENDI, 0xda0),
369 	INTC_VECT(FLCTL_FLTREQ0I, 0xdc0), INTC_VECT(FLCTL_FLTREQ1I, 0xde0),
370 	INTC_VECT(I2C_ALI, 0xe00), INTC_VECT(I2C_TACKI, 0xe20),
371 	INTC_VECT(I2C_WAITI, 0xe40), INTC_VECT(I2C_DTEI, 0xe60),
372 	INTC_VECT(SDHI, 0xe80), INTC_VECT(SDHI, 0xea0),
373 	INTC_VECT(SDHI, 0xec0), INTC_VECT(SDHI, 0xee0),
374 	INTC_VECT(CMT, 0xf00), INTC_VECT(TSIF, 0xf20),
375 	INTC_VECT(SIU, 0xf80),
376 	INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
377 	INTC_VECT(TMU2, 0x440),
378 	INTC_VECT(VEU2, 0x560), INTC_VECT(LCDC, 0x580),
379 };
380 
381 static struct intc_group groups[] __initdata = {
382 	INTC_GROUP(DMAC0123, DMAC0, DMAC1, DMAC2, DMAC3),
383 	INTC_GROUP(VIOVOU, VIO_CEUI, VIO_BEUI, VIO_VEUI, VOU),
384 	INTC_GROUP(MMC, MMC_MMC1I, MMC_MMC2I, MMC_MMC3I),
385 	INTC_GROUP(DMAC45, DMAC4, DMAC5, DMAC_DADERR),
386 	INTC_GROUP(FLCTL, FLCTL_FLSTEI, FLCTL_FLENDI,
387 		   FLCTL_FLTREQ0I, FLCTL_FLTREQ1I),
388 	INTC_GROUP(I2C, I2C_ALI, I2C_TACKI, I2C_WAITI, I2C_DTEI),
389 };
390 
391 static struct intc_mask_reg mask_registers[] __initdata = {
392 	{ 0xa4080080, 0xa40800c0, 8, /* IMR0 / IMCR0 */
393 	  { } },
394 	{ 0xa4080084, 0xa40800c4, 8, /* IMR1 / IMCR1 */
395 	  { VOU, VIO_VEUI, VIO_BEUI, VIO_CEUI, DMAC3, DMAC2, DMAC1, DMAC0 } },
396 	{ 0xa4080088, 0xa40800c8, 8, /* IMR2 / IMCR2 */
397 	  { 0, 0, 0, VPU, 0, 0, 0, MFI } },
398 	{ 0xa408008c, 0xa40800cc, 8, /* IMR3 / IMCR3 */
399 	  { 0, 0, 0, ICB } },
400 	{ 0xa4080090, 0xa40800d0, 8, /* IMR4 / IMCR4 */
401 	  { 0, TMU2, TMU1, TMU0, VEU2, 0, 0, LCDC } },
402 	{ 0xa4080094, 0xa40800d4, 8, /* IMR5 / IMCR5 */
403 	  { 0, DMAC_DADERR, DMAC5, DMAC4, DENC, SCIFA2, SCIFA1, SCIF } },
404 	{ 0xa4080098, 0xa40800d8, 8, /* IMR6 / IMCR6 */
405 	  { 0, 0, 0, 0, 0, 0, 0, MSIOF } },
406 	{ 0xa408009c, 0xa40800dc, 8, /* IMR7 / IMCR7 */
407 	  { I2C_DTEI, I2C_WAITI, I2C_TACKI, I2C_ALI,
408 	    FLCTL_FLTREQ1I, FLCTL_FLTREQ0I, FLCTL_FLENDI, FLCTL_FLSTEI } },
409 	{ 0xa40800a0, 0xa40800e0, 8, /* IMR8 / IMCR8 */
410 	  { DISABLED, ENABLED, ENABLED, ENABLED, 0, 0, 0, SIU } },
411 	{ 0xa40800a4, 0xa40800e4, 8, /* IMR9 / IMCR9 */
412 	  { 0, 0, 0, CMT, 0, USB, } },
413 	{ 0xa40800a8, 0xa40800e8, 8, /* IMR10 / IMCR10 */
414 	  { 0, MMC_MMC3I, MMC_MMC2I, MMC_MMC1I } },
415 	{ 0xa40800ac, 0xa40800ec, 8, /* IMR11 / IMCR11 */
416 	  { 0, 0, 0, 0, 0, 0, 0, TSIF } },
417 	{ 0xa4140044, 0xa4140064, 8, /* INTMSK00 / INTMSKCLR00 */
418 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
419 };
420 
421 static struct intc_prio_reg prio_registers[] __initdata = {
422 	{ 0xa4080000, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2 } },
423 	{ 0xa4080004, 0, 16, 4, /* IPRB */ { VEU2, LCDC, ICB } },
424 	{ 0xa4080008, 0, 16, 4, /* IPRC */ { } },
425 	{ 0xa408000c, 0, 16, 4, /* IPRD */ { } },
426 	{ 0xa4080010, 0, 16, 4, /* IPRE */ { DMAC0123, VIOVOU, MFI, VPU } },
427 	{ 0xa4080014, 0, 16, 4, /* IPRF */ { 0, DMAC45, USB, CMT } },
428 	{ 0xa4080018, 0, 16, 4, /* IPRG */ { SCIF, SCIFA1, SCIFA2, DENC } },
429 	{ 0xa408001c, 0, 16, 4, /* IPRH */ { MSIOF, 0, FLCTL, I2C } },
430 	{ 0xa4080020, 0, 16, 4, /* IPRI */ { 0, 0, TSIF, } },
431 	{ 0xa4080024, 0, 16, 4, /* IPRJ */ { 0, 0, SIU } },
432 	{ 0xa4080028, 0, 16, 4, /* IPRK */ { 0, MMC, 0, SDHI } },
433 	{ 0xa408002c, 0, 16, 4, /* IPRL */ { } },
434 	{ 0xa4140010, 0, 32, 4, /* INTPRI00 */
435 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
436 };
437 
438 static struct intc_sense_reg sense_registers[] __initdata = {
439 	{ 0xa414001c, 16, 2, /* ICR1 */
440 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
441 };
442 
443 static struct intc_mask_reg ack_registers[] __initdata = {
444 	{ 0xa4140024, 0, 8, /* INTREQ00 */
445 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
446 };
447 
448 static struct intc_desc intc_desc __initdata = {
449 	.name = "sh7366",
450 	.force_enable = ENABLED,
451 	.force_disable = DISABLED,
452 	.hw = INTC_HW_DESC(vectors, groups, mask_registers,
453 			   prio_registers, sense_registers, ack_registers),
454 };
455 
plat_irq_setup(void)456 void __init plat_irq_setup(void)
457 {
458 	register_intc_controller(&intc_desc);
459 }
460 
plat_mem_setup(void)461 void __init plat_mem_setup(void)
462 {
463 	/* TODO: Register Node 1 */
464 }
465