1 /*
2  * SH7722 Setup
3  *
4  *  Copyright (C) 2006 - 2008  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/mm.h>
15 #include <linux/uio_driver.h>
16 #include <linux/sh_cmt.h>
17 #include <asm/clock.h>
18 #include <asm/mmzone.h>
19 
20 static struct resource rtc_resources[] = {
21 	[0] = {
22 		.start	= 0xa465fec0,
23 		.end	= 0xa465fec0 + 0x58 - 1,
24 		.flags	= IORESOURCE_IO,
25 	},
26 	[1] = {
27 		/* Period IRQ */
28 		.start	= 45,
29 		.flags	= IORESOURCE_IRQ,
30 	},
31 	[2] = {
32 		/* Carry IRQ */
33 		.start	= 46,
34 		.flags	= IORESOURCE_IRQ,
35 	},
36 	[3] = {
37 		/* Alarm IRQ */
38 		.start	= 44,
39 		.flags	= IORESOURCE_IRQ,
40 	},
41 };
42 
43 static struct platform_device rtc_device = {
44 	.name		= "sh-rtc",
45 	.id		= -1,
46 	.num_resources	= ARRAY_SIZE(rtc_resources),
47 	.resource	= rtc_resources,
48 };
49 
50 static struct resource usbf_resources[] = {
51 	[0] = {
52 		.name	= "m66592_udc",
53 		.start	= 0x04480000,
54 		.end	= 0x044800FF,
55 		.flags	= IORESOURCE_MEM,
56 	},
57 	[1] = {
58 		.start	= 65,
59 		.end	= 65,
60 		.flags	= IORESOURCE_IRQ,
61 	},
62 };
63 
64 static struct platform_device usbf_device = {
65 	.name		= "m66592_udc",
66 	.id             = 0, /* "usbf0" clock */
67 	.dev = {
68 		.dma_mask		= NULL,
69 		.coherent_dma_mask	= 0xffffffff,
70 	},
71 	.num_resources	= ARRAY_SIZE(usbf_resources),
72 	.resource	= usbf_resources,
73 };
74 
75 static struct resource iic_resources[] = {
76 	[0] = {
77 		.name	= "IIC",
78 		.start  = 0x04470000,
79 		.end    = 0x04470017,
80 		.flags  = IORESOURCE_MEM,
81 	},
82 	[1] = {
83 		.start  = 96,
84 		.end    = 99,
85 		.flags  = IORESOURCE_IRQ,
86        },
87 };
88 
89 static struct platform_device iic_device = {
90 	.name           = "i2c-sh_mobile",
91 	.id             = 0, /* "i2c0" clock */
92 	.num_resources  = ARRAY_SIZE(iic_resources),
93 	.resource       = iic_resources,
94 };
95 
96 static struct uio_info vpu_platform_data = {
97 	.name = "VPU4",
98 	.version = "0",
99 	.irq = 60,
100 };
101 
102 static struct resource vpu_resources[] = {
103 	[0] = {
104 		.name	= "VPU",
105 		.start	= 0xfe900000,
106 		.end	= 0xfe9022eb,
107 		.flags	= IORESOURCE_MEM,
108 	},
109 	[1] = {
110 		/* place holder for contiguous memory */
111 	},
112 };
113 
114 static struct platform_device vpu_device = {
115 	.name		= "uio_pdrv_genirq",
116 	.id		= 0,
117 	.dev = {
118 		.platform_data	= &vpu_platform_data,
119 	},
120 	.resource	= vpu_resources,
121 	.num_resources	= ARRAY_SIZE(vpu_resources),
122 };
123 
124 static struct uio_info veu_platform_data = {
125 	.name = "VEU",
126 	.version = "0",
127 	.irq = 54,
128 };
129 
130 static struct resource veu_resources[] = {
131 	[0] = {
132 		.name	= "VEU",
133 		.start	= 0xfe920000,
134 		.end	= 0xfe9200b7,
135 		.flags	= IORESOURCE_MEM,
136 	},
137 	[1] = {
138 		/* place holder for contiguous memory */
139 	},
140 };
141 
142 static struct platform_device veu_device = {
143 	.name		= "uio_pdrv_genirq",
144 	.id		= 1,
145 	.dev = {
146 		.platform_data	= &veu_platform_data,
147 	},
148 	.resource	= veu_resources,
149 	.num_resources	= ARRAY_SIZE(veu_resources),
150 };
151 
152 static struct uio_info jpu_platform_data = {
153 	.name = "JPU",
154 	.version = "0",
155 	.irq = 27,
156 };
157 
158 static struct resource jpu_resources[] = {
159 	[0] = {
160 		.name	= "JPU",
161 		.start	= 0xfea00000,
162 		.end	= 0xfea102d3,
163 		.flags	= IORESOURCE_MEM,
164 	},
165 	[1] = {
166 		/* place holder for contiguous memory */
167 	},
168 };
169 
170 static struct platform_device jpu_device = {
171 	.name		= "uio_pdrv_genirq",
172 	.id		= 2,
173 	.dev = {
174 		.platform_data	= &jpu_platform_data,
175 	},
176 	.resource	= jpu_resources,
177 	.num_resources	= ARRAY_SIZE(jpu_resources),
178 };
179 
180 static struct sh_cmt_config cmt_platform_data = {
181 	.name = "CMT",
182 	.channel_offset = 0x60,
183 	.timer_bit = 5,
184 	.clk = "cmt0",
185 	.clockevent_rating = 125,
186 	.clocksource_rating = 200,
187 };
188 
189 static struct resource cmt_resources[] = {
190 	[0] = {
191 		.name	= "CMT",
192 		.start	= 0x044a0060,
193 		.end	= 0x044a006b,
194 		.flags	= IORESOURCE_MEM,
195 	},
196 	[1] = {
197 		.start	= 104,
198 		.flags	= IORESOURCE_IRQ,
199 	},
200 };
201 
202 static struct platform_device cmt_device = {
203 	.name		= "sh_cmt",
204 	.id		= 0,
205 	.dev = {
206 		.platform_data	= &cmt_platform_data,
207 	},
208 	.resource	= cmt_resources,
209 	.num_resources	= ARRAY_SIZE(cmt_resources),
210 };
211 
212 static struct plat_sci_port sci_platform_data[] = {
213 	{
214 		.mapbase	= 0xffe00000,
215 		.flags		= UPF_BOOT_AUTOCONF,
216 		.type		= PORT_SCIF,
217 		.irqs		= { 80, 80, 80, 80 },
218 	},
219 	{
220 		.mapbase	= 0xffe10000,
221 		.flags		= UPF_BOOT_AUTOCONF,
222 		.type		= PORT_SCIF,
223 		.irqs		= { 81, 81, 81, 81 },
224 	},
225 	{
226 		.mapbase	= 0xffe20000,
227 		.flags		= UPF_BOOT_AUTOCONF,
228 		.type		= PORT_SCIF,
229 		.irqs		= { 82, 82, 82, 82 },
230 	},
231 	{
232 		.flags = 0,
233 	}
234 };
235 
236 static struct platform_device sci_device = {
237 	.name		= "sh-sci",
238 	.id		= -1,
239 	.dev		= {
240 		.platform_data	= sci_platform_data,
241 	},
242 };
243 
244 static struct platform_device *sh7722_devices[] __initdata = {
245 	&cmt_device,
246 	&rtc_device,
247 	&usbf_device,
248 	&iic_device,
249 	&sci_device,
250 	&vpu_device,
251 	&veu_device,
252 	&jpu_device,
253 };
254 
255 static int __init sh7722_devices_setup(void)
256 {
257 	clk_always_enable("uram0"); /* URAM */
258 	clk_always_enable("xymem0"); /* XYMEM */
259 	clk_always_enable("rtc0"); /* RTC */
260 	clk_always_enable("veu0"); /* VEU */
261 	clk_always_enable("vpu0"); /* VPU */
262 	clk_always_enable("jpu0"); /* JPU */
263 
264 	platform_resource_setup_memory(&vpu_device, "vpu", 1 << 20);
265 	platform_resource_setup_memory(&veu_device, "veu", 2 << 20);
266 	platform_resource_setup_memory(&jpu_device, "jpu", 2 << 20);
267 
268 	return platform_add_devices(sh7722_devices,
269 				    ARRAY_SIZE(sh7722_devices));
270 }
271 __initcall(sh7722_devices_setup);
272 
273 enum {
274 	UNUSED=0,
275 
276 	/* interrupt sources */
277 	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
278 	HUDI,
279 	SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI,
280 	RTC_ATI, RTC_PRI, RTC_CUI,
281 	DMAC0, DMAC1, DMAC2, DMAC3,
282 	VIO_CEUI, VIO_BEUI, VIO_VEUI, VOU,
283 	VPU, TPU,
284 	USB_USBI0, USB_USBI1,
285 	DMAC4, DMAC5, DMAC_DADERR,
286 	KEYSC,
287 	SCIF0, SCIF1, SCIF2, SIOF0, SIOF1, SIO,
288 	FLCTL_FLSTEI, FLCTL_FLENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I,
289 	I2C_ALI, I2C_TACKI, I2C_WAITI, I2C_DTEI,
290 	SDHI0, SDHI1, SDHI2, SDHI3,
291 	CMT, TSIF, SIU, TWODG,
292 	TMU0, TMU1, TMU2,
293 	IRDA, JPU, LCDC,
294 
295 	/* interrupt groups */
296 	SIM, RTC, DMAC0123, VIOVOU, USB, DMAC45, FLCTL, I2C, SDHI,
297 };
298 
299 static struct intc_vect vectors[] __initdata = {
300 	INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620),
301 	INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660),
302 	INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0),
303 	INTC_VECT(IRQ6, 0x6c0), INTC_VECT(IRQ7, 0x6e0),
304 	INTC_VECT(SIM_ERI, 0x700), INTC_VECT(SIM_RXI, 0x720),
305 	INTC_VECT(SIM_TXI, 0x740), INTC_VECT(SIM_TEI, 0x760),
306 	INTC_VECT(RTC_ATI, 0x780), INTC_VECT(RTC_PRI, 0x7a0),
307 	INTC_VECT(RTC_CUI, 0x7c0),
308 	INTC_VECT(DMAC0, 0x800), INTC_VECT(DMAC1, 0x820),
309 	INTC_VECT(DMAC2, 0x840), INTC_VECT(DMAC3, 0x860),
310 	INTC_VECT(VIO_CEUI, 0x880), INTC_VECT(VIO_BEUI, 0x8a0),
311 	INTC_VECT(VIO_VEUI, 0x8c0), INTC_VECT(VOU, 0x8e0),
312 	INTC_VECT(VPU, 0x980), INTC_VECT(TPU, 0x9a0),
313 	INTC_VECT(USB_USBI0, 0xa20), INTC_VECT(USB_USBI1, 0xa40),
314 	INTC_VECT(DMAC4, 0xb80), INTC_VECT(DMAC5, 0xba0),
315 	INTC_VECT(DMAC_DADERR, 0xbc0), INTC_VECT(KEYSC, 0xbe0),
316 	INTC_VECT(SCIF0, 0xc00), INTC_VECT(SCIF1, 0xc20),
317 	INTC_VECT(SCIF2, 0xc40), INTC_VECT(SIOF0, 0xc80),
318 	INTC_VECT(SIOF1, 0xca0), INTC_VECT(SIO, 0xd00),
319 	INTC_VECT(FLCTL_FLSTEI, 0xd80), INTC_VECT(FLCTL_FLENDI, 0xda0),
320 	INTC_VECT(FLCTL_FLTREQ0I, 0xdc0), INTC_VECT(FLCTL_FLTREQ1I, 0xde0),
321 	INTC_VECT(I2C_ALI, 0xe00), INTC_VECT(I2C_TACKI, 0xe20),
322 	INTC_VECT(I2C_WAITI, 0xe40), INTC_VECT(I2C_DTEI, 0xe60),
323 	INTC_VECT(SDHI0, 0xe80), INTC_VECT(SDHI1, 0xea0),
324 	INTC_VECT(SDHI2, 0xec0), INTC_VECT(SDHI3, 0xee0),
325 	INTC_VECT(CMT, 0xf00), INTC_VECT(TSIF, 0xf20),
326 	INTC_VECT(SIU, 0xf80), INTC_VECT(TWODG, 0xfa0),
327 	INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
328 	INTC_VECT(TMU2, 0x440), INTC_VECT(IRDA, 0x480),
329 	INTC_VECT(JPU, 0x560), INTC_VECT(LCDC, 0x580),
330 };
331 
332 static struct intc_group groups[] __initdata = {
333 	INTC_GROUP(SIM, SIM_ERI, SIM_RXI, SIM_TXI, SIM_TEI),
334 	INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI),
335 	INTC_GROUP(DMAC0123, DMAC0, DMAC1, DMAC2, DMAC3),
336 	INTC_GROUP(VIOVOU, VIO_CEUI, VIO_BEUI, VIO_VEUI, VOU),
337 	INTC_GROUP(USB, USB_USBI0, USB_USBI1),
338 	INTC_GROUP(DMAC45, DMAC4, DMAC5, DMAC_DADERR),
339 	INTC_GROUP(FLCTL, FLCTL_FLSTEI, FLCTL_FLENDI,
340 		   FLCTL_FLTREQ0I, FLCTL_FLTREQ1I),
341 	INTC_GROUP(I2C, I2C_ALI, I2C_TACKI, I2C_WAITI, I2C_DTEI),
342 	INTC_GROUP(SDHI, SDHI0, SDHI1, SDHI2, SDHI3),
343 };
344 
345 static struct intc_mask_reg mask_registers[] __initdata = {
346 	{ 0xa4080080, 0xa40800c0, 8, /* IMR0 / IMCR0 */
347 	  { } },
348 	{ 0xa4080084, 0xa40800c4, 8, /* IMR1 / IMCR1 */
349 	  { VOU, VIO_VEUI, VIO_BEUI, VIO_CEUI, DMAC3, DMAC2, DMAC1, DMAC0 } },
350 	{ 0xa4080088, 0xa40800c8, 8, /* IMR2 / IMCR2 */
351 	  { 0, 0, 0, VPU, } },
352 	{ 0xa408008c, 0xa40800cc, 8, /* IMR3 / IMCR3 */
353 	  { SIM_TEI, SIM_TXI, SIM_RXI, SIM_ERI, 0, 0, 0, IRDA } },
354 	{ 0xa4080090, 0xa40800d0, 8, /* IMR4 / IMCR4 */
355 	  { 0, TMU2, TMU1, TMU0, JPU, 0, 0, LCDC } },
356 	{ 0xa4080094, 0xa40800d4, 8, /* IMR5 / IMCR5 */
357 	  { KEYSC, DMAC_DADERR, DMAC5, DMAC4, 0, SCIF2, SCIF1, SCIF0 } },
358 	{ 0xa4080098, 0xa40800d8, 8, /* IMR6 / IMCR6 */
359 	  { 0, 0, 0, SIO, 0, 0, SIOF1, SIOF0 } },
360 	{ 0xa408009c, 0xa40800dc, 8, /* IMR7 / IMCR7 */
361 	  { I2C_DTEI, I2C_WAITI, I2C_TACKI, I2C_ALI,
362 	    FLCTL_FLTREQ1I, FLCTL_FLTREQ0I, FLCTL_FLENDI, FLCTL_FLSTEI } },
363 	{ 0xa40800a0, 0xa40800e0, 8, /* IMR8 / IMCR8 */
364 	  { SDHI3, SDHI2, SDHI1, SDHI0, 0, 0, TWODG, SIU } },
365 	{ 0xa40800a4, 0xa40800e4, 8, /* IMR9 / IMCR9 */
366 	  { 0, 0, 0, CMT, 0, USB_USBI1, USB_USBI0, } },
367 	{ 0xa40800a8, 0xa40800e8, 8, /* IMR10 / IMCR10 */
368 	  { } },
369 	{ 0xa40800ac, 0xa40800ec, 8, /* IMR11 / IMCR11 */
370 	  { 0, RTC_CUI, RTC_PRI, RTC_ATI, 0, TPU, 0, TSIF } },
371 	{ 0xa4140044, 0xa4140064, 8, /* INTMSK00 / INTMSKCLR00 */
372 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
373 };
374 
375 static struct intc_prio_reg prio_registers[] __initdata = {
376 	{ 0xa4080000, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, IRDA } },
377 	{ 0xa4080004, 0, 16, 4, /* IPRB */ { JPU, LCDC, SIM } },
378 	{ 0xa4080008, 0, 16, 4, /* IPRC */ { } },
379 	{ 0xa408000c, 0, 16, 4, /* IPRD */ { } },
380 	{ 0xa4080010, 0, 16, 4, /* IPRE */ { DMAC0123, VIOVOU, 0, VPU } },
381 	{ 0xa4080014, 0, 16, 4, /* IPRF */ { KEYSC, DMAC45, USB, CMT } },
382 	{ 0xa4080018, 0, 16, 4, /* IPRG */ { SCIF0, SCIF1, SCIF2 } },
383 	{ 0xa408001c, 0, 16, 4, /* IPRH */ { SIOF0, SIOF1, FLCTL, I2C } },
384 	{ 0xa4080020, 0, 16, 4, /* IPRI */ { SIO, 0, TSIF, RTC } },
385 	{ 0xa4080024, 0, 16, 4, /* IPRJ */ { 0, 0, SIU } },
386 	{ 0xa4080028, 0, 16, 4, /* IPRK */ { 0, 0, 0, SDHI } },
387 	{ 0xa408002c, 0, 16, 4, /* IPRL */ { TWODG, 0, TPU } },
388 	{ 0xa4140010, 0, 32, 4, /* INTPRI00 */
389 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
390 };
391 
392 static struct intc_sense_reg sense_registers[] __initdata = {
393 	{ 0xa414001c, 16, 2, /* ICR1 */
394 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
395 };
396 
397 static struct intc_mask_reg ack_registers[] __initdata = {
398 	{ 0xa4140024, 0, 8, /* INTREQ00 */
399 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
400 };
401 
402 static DECLARE_INTC_DESC_ACK(intc_desc, "sh7722", vectors, groups,
403 			     mask_registers, prio_registers, sense_registers,
404 			     ack_registers);
405 
406 void __init plat_irq_setup(void)
407 {
408 	register_intc_controller(&intc_desc);
409 }
410 
411 void __init plat_mem_setup(void)
412 {
413 	/* Register the URAM space as Node 1 */
414 	setup_bootmem_node(1, 0x055f0000, 0x05610000);
415 }
416