1 /*
2  *  linux/arch/m32r/platforms/opsput/setup.c
3  *
4  *  Setup routines for Renesas OPSPUT Board
5  *
6  *  Copyright (c) 2002-2005
7  * 	Hiroyuki Kondo, Hirokazu Takata,
8  *      Hitoshi Yamamoto, Takeo Takahashi, Mamoru Sakugawa
9  *
10  *  This file is subject to the terms and conditions of the GNU General
11  *  Public License.  See the file "COPYING" in the main directory of this
12  *  archive for more details.
13  */
14 
15 #include <linux/irq.h>
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/platform_device.h>
19 
20 #include <asm/system.h>
21 #include <asm/m32r.h>
22 #include <asm/io.h>
23 
24 /*
25  * OPSP Interrupt Control Unit (Level 1)
26  */
27 #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long)))
28 
29 icu_data_t icu_data[OPSPUT_NUM_CPU_IRQ];
30 
disable_opsput_irq(unsigned int irq)31 static void disable_opsput_irq(unsigned int irq)
32 {
33 	unsigned long port, data;
34 
35 	port = irq2port(irq);
36 	data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;
37 	outl(data, port);
38 }
39 
enable_opsput_irq(unsigned int irq)40 static void enable_opsput_irq(unsigned int irq)
41 {
42 	unsigned long port, data;
43 
44 	port = irq2port(irq);
45 	data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;
46 	outl(data, port);
47 }
48 
mask_opsput(struct irq_data * data)49 static void mask_opsput(struct irq_data *data)
50 {
51 	disable_opsput_irq(data->irq);
52 }
53 
unmask_opsput(struct irq_data * data)54 static void unmask_opsput(struct irq_data *data)
55 {
56 	enable_opsput_irq(data->irq);
57 }
58 
shutdown_opsput(struct irq_data * data)59 static void shutdown_opsput(struct irq_data *data)
60 {
61 	unsigned long port;
62 
63 	port = irq2port(data->irq);
64 	outl(M32R_ICUCR_ILEVEL7, port);
65 }
66 
67 static struct irq_chip opsput_irq_type =
68 {
69 	.name		= "OPSPUT-IRQ",
70 	.irq_shutdown	= shutdown_opsput,
71 	.irq_mask	= mask_opsput,
72 	.irq_unmask	= unmask_opsput,
73 };
74 
75 /*
76  * Interrupt Control Unit of PLD on OPSPUT (Level 2)
77  */
78 #define irq2pldirq(x)		((x) - OPSPUT_PLD_IRQ_BASE)
79 #define pldirq2port(x)		(unsigned long)((int)PLD_ICUCR1 + \
80 				 (((x) - 1) * sizeof(unsigned short)))
81 
82 typedef struct {
83 	unsigned short icucr;  /* ICU Control Register */
84 } pld_icu_data_t;
85 
86 static pld_icu_data_t pld_icu_data[OPSPUT_NUM_PLD_IRQ];
87 
disable_opsput_pld_irq(unsigned int irq)88 static void disable_opsput_pld_irq(unsigned int irq)
89 {
90 	unsigned long port, data;
91 	unsigned int pldirq;
92 
93 	pldirq = irq2pldirq(irq);
94 	port = pldirq2port(pldirq);
95 	data = pld_icu_data[pldirq].icucr|PLD_ICUCR_ILEVEL7;
96 	outw(data, port);
97 }
98 
enable_opsput_pld_irq(unsigned int irq)99 static void enable_opsput_pld_irq(unsigned int irq)
100 {
101 	unsigned long port, data;
102 	unsigned int pldirq;
103 
104 	pldirq = irq2pldirq(irq);
105 	port = pldirq2port(pldirq);
106 	data = pld_icu_data[pldirq].icucr|PLD_ICUCR_IEN|PLD_ICUCR_ILEVEL6;
107 	outw(data, port);
108 }
109 
mask_opsput_pld(struct irq_data * data)110 static void mask_opsput_pld(struct irq_data *data)
111 {
112 	disable_opsput_pld_irq(data->irq);
113 }
114 
unmask_opsput_pld(struct irq_data * data)115 static void unmask_opsput_pld(struct irq_data *data)
116 {
117 	enable_opsput_pld_irq(data->irq);
118 	enable_opsput_irq(M32R_IRQ_INT1);
119 }
120 
shutdown_opsput_pld(struct irq_data * data)121 static void shutdown_opsput_pld(struct irq_data *data)
122 {
123 	unsigned long port;
124 	unsigned int pldirq;
125 
126 	pldirq = irq2pldirq(data->irq);
127 	port = pldirq2port(pldirq);
128 	outw(PLD_ICUCR_ILEVEL7, port);
129 }
130 
131 static struct irq_chip opsput_pld_irq_type =
132 {
133 	.name		= "OPSPUT-PLD-IRQ",
134 	.irq_shutdown	= shutdown_opsput_pld,
135 	.irq_mask	= mask_opsput_pld,
136 	.irq_unmask	= unmask_opsput_pld,
137 };
138 
139 /*
140  * Interrupt Control Unit of PLD on OPSPUT-LAN (Level 2)
141  */
142 #define irq2lanpldirq(x)	((x) - OPSPUT_LAN_PLD_IRQ_BASE)
143 #define lanpldirq2port(x)	(unsigned long)((int)OPSPUT_LAN_ICUCR1 + \
144 				 (((x) - 1) * sizeof(unsigned short)))
145 
146 static pld_icu_data_t lanpld_icu_data[OPSPUT_NUM_LAN_PLD_IRQ];
147 
disable_opsput_lanpld_irq(unsigned int irq)148 static void disable_opsput_lanpld_irq(unsigned int irq)
149 {
150 	unsigned long port, data;
151 	unsigned int pldirq;
152 
153 	pldirq = irq2lanpldirq(irq);
154 	port = lanpldirq2port(pldirq);
155 	data = lanpld_icu_data[pldirq].icucr|PLD_ICUCR_ILEVEL7;
156 	outw(data, port);
157 }
158 
enable_opsput_lanpld_irq(unsigned int irq)159 static void enable_opsput_lanpld_irq(unsigned int irq)
160 {
161 	unsigned long port, data;
162 	unsigned int pldirq;
163 
164 	pldirq = irq2lanpldirq(irq);
165 	port = lanpldirq2port(pldirq);
166 	data = lanpld_icu_data[pldirq].icucr|PLD_ICUCR_IEN|PLD_ICUCR_ILEVEL6;
167 	outw(data, port);
168 }
169 
mask_opsput_lanpld(struct irq_data * data)170 static void mask_opsput_lanpld(struct irq_data *data)
171 {
172 	disable_opsput_lanpld_irq(data->irq);
173 }
174 
unmask_opsput_lanpld(struct irq_data * data)175 static void unmask_opsput_lanpld(struct irq_data *data)
176 {
177 	enable_opsput_lanpld_irq(data->irq);
178 	enable_opsput_irq(M32R_IRQ_INT0);
179 }
180 
shutdown_opsput_lanpld(struct irq_data * data)181 static void shutdown_opsput_lanpld(struct irq_data *data)
182 {
183 	unsigned long port;
184 	unsigned int pldirq;
185 
186 	pldirq = irq2lanpldirq(data->irq);
187 	port = lanpldirq2port(pldirq);
188 	outw(PLD_ICUCR_ILEVEL7, port);
189 }
190 
191 static struct irq_chip opsput_lanpld_irq_type =
192 {
193 	.name		= "OPSPUT-PLD-LAN-IRQ",
194 	.irq_shutdown	= shutdown_opsput_lanpld,
195 	.irq_mask	= mask_opsput_lanpld,
196 	.irq_unmask	= unmask_opsput_lanpld,
197 };
198 
199 /*
200  * Interrupt Control Unit of PLD on OPSPUT-LCD (Level 2)
201  */
202 #define irq2lcdpldirq(x)	((x) - OPSPUT_LCD_PLD_IRQ_BASE)
203 #define lcdpldirq2port(x)	(unsigned long)((int)OPSPUT_LCD_ICUCR1 + \
204 				 (((x) - 1) * sizeof(unsigned short)))
205 
206 static pld_icu_data_t lcdpld_icu_data[OPSPUT_NUM_LCD_PLD_IRQ];
207 
disable_opsput_lcdpld_irq(unsigned int irq)208 static void disable_opsput_lcdpld_irq(unsigned int irq)
209 {
210 	unsigned long port, data;
211 	unsigned int pldirq;
212 
213 	pldirq = irq2lcdpldirq(irq);
214 	port = lcdpldirq2port(pldirq);
215 	data = lcdpld_icu_data[pldirq].icucr|PLD_ICUCR_ILEVEL7;
216 	outw(data, port);
217 }
218 
enable_opsput_lcdpld_irq(unsigned int irq)219 static void enable_opsput_lcdpld_irq(unsigned int irq)
220 {
221 	unsigned long port, data;
222 	unsigned int pldirq;
223 
224 	pldirq = irq2lcdpldirq(irq);
225 	port = lcdpldirq2port(pldirq);
226 	data = lcdpld_icu_data[pldirq].icucr|PLD_ICUCR_IEN|PLD_ICUCR_ILEVEL6;
227 	outw(data, port);
228 }
229 
mask_opsput_lcdpld(struct irq_data * data)230 static void mask_opsput_lcdpld(struct irq_data *data)
231 {
232 	disable_opsput_lcdpld_irq(data->irq);
233 }
234 
unmask_opsput_lcdpld(struct irq_data * data)235 static void unmask_opsput_lcdpld(struct irq_data *data)
236 {
237 	enable_opsput_lcdpld_irq(data->irq);
238 	enable_opsput_irq(M32R_IRQ_INT2);
239 }
240 
shutdown_opsput_lcdpld(struct irq_data * data)241 static void shutdown_opsput_lcdpld(struct irq_data *data)
242 {
243 	unsigned long port;
244 	unsigned int pldirq;
245 
246 	pldirq = irq2lcdpldirq(data->irq);
247 	port = lcdpldirq2port(pldirq);
248 	outw(PLD_ICUCR_ILEVEL7, port);
249 }
250 
251 static struct irq_chip opsput_lcdpld_irq_type = {
252 	.name		= "OPSPUT-PLD-LCD-IRQ",
253 	.irq_shutdown	= shutdown_opsput_lcdpld,
254 	.irq_mask	= mask_opsput_lcdpld,
255 	.irq_unmask	= unmask_opsput_lcdpld,
256 };
257 
init_IRQ(void)258 void __init init_IRQ(void)
259 {
260 #if defined(CONFIG_SMC91X)
261 	/* INT#0: LAN controller on OPSPUT-LAN (SMC91C111)*/
262 	irq_set_chip_and_handler(OPSPUT_LAN_IRQ_LAN, &opsput_lanpld_irq_type,
263 				 handle_level_irq);
264 	lanpld_icu_data[irq2lanpldirq(OPSPUT_LAN_IRQ_LAN)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD02;	/* "H" edge sense */
265 	disable_opsput_lanpld_irq(OPSPUT_LAN_IRQ_LAN);
266 #endif  /* CONFIG_SMC91X */
267 
268 	/* MFT2 : system timer */
269 	irq_set_chip_and_handler(M32R_IRQ_MFT2, &opsput_irq_type,
270 				 handle_level_irq);
271 	icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
272 	disable_opsput_irq(M32R_IRQ_MFT2);
273 
274 	/* SIO0 : receive */
275 	irq_set_chip_and_handler(M32R_IRQ_SIO0_R, &opsput_irq_type,
276 				 handle_level_irq);
277 	icu_data[M32R_IRQ_SIO0_R].icucr = 0;
278 	disable_opsput_irq(M32R_IRQ_SIO0_R);
279 
280 	/* SIO0 : send */
281 	irq_set_chip_and_handler(M32R_IRQ_SIO0_S, &opsput_irq_type,
282 				 handle_level_irq);
283 	icu_data[M32R_IRQ_SIO0_S].icucr = 0;
284 	disable_opsput_irq(M32R_IRQ_SIO0_S);
285 
286 	/* SIO1 : receive */
287 	irq_set_chip_and_handler(M32R_IRQ_SIO1_R, &opsput_irq_type,
288 				 handle_level_irq);
289 	icu_data[M32R_IRQ_SIO1_R].icucr = 0;
290 	disable_opsput_irq(M32R_IRQ_SIO1_R);
291 
292 	/* SIO1 : send */
293 	irq_set_chip_and_handler(M32R_IRQ_SIO1_S, &opsput_irq_type,
294 				 handle_level_irq);
295 	icu_data[M32R_IRQ_SIO1_S].icucr = 0;
296 	disable_opsput_irq(M32R_IRQ_SIO1_S);
297 
298 	/* DMA1 : */
299 	irq_set_chip_and_handler(M32R_IRQ_DMA1, &opsput_irq_type,
300 				 handle_level_irq);
301 	icu_data[M32R_IRQ_DMA1].icucr = 0;
302 	disable_opsput_irq(M32R_IRQ_DMA1);
303 
304 #ifdef CONFIG_SERIAL_M32R_PLDSIO
305 	/* INT#1: SIO0 Receive on PLD */
306 	irq_set_chip_and_handler(PLD_IRQ_SIO0_RCV, &opsput_pld_irq_type,
307 				 handle_level_irq);
308 	pld_icu_data[irq2pldirq(PLD_IRQ_SIO0_RCV)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD03;
309 	disable_opsput_pld_irq(PLD_IRQ_SIO0_RCV);
310 
311 	/* INT#1: SIO0 Send on PLD */
312 	irq_set_chip_and_handler(PLD_IRQ_SIO0_SND, &opsput_pld_irq_type,
313 				 handle_level_irq);
314 	pld_icu_data[irq2pldirq(PLD_IRQ_SIO0_SND)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD03;
315 	disable_opsput_pld_irq(PLD_IRQ_SIO0_SND);
316 #endif  /* CONFIG_SERIAL_M32R_PLDSIO */
317 
318 	/* INT#1: CFC IREQ on PLD */
319 	irq_set_chip_and_handler(PLD_IRQ_CFIREQ, &opsput_pld_irq_type,
320 				 handle_level_irq);
321 	pld_icu_data[irq2pldirq(PLD_IRQ_CFIREQ)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD01;	/* 'L' level sense */
322 	disable_opsput_pld_irq(PLD_IRQ_CFIREQ);
323 
324 	/* INT#1: CFC Insert on PLD */
325 	irq_set_chip_and_handler(PLD_IRQ_CFC_INSERT, &opsput_pld_irq_type,
326 				 handle_level_irq);
327 	pld_icu_data[irq2pldirq(PLD_IRQ_CFC_INSERT)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD00;	/* 'L' edge sense */
328 	disable_opsput_pld_irq(PLD_IRQ_CFC_INSERT);
329 
330 	/* INT#1: CFC Eject on PLD */
331 	irq_set_chip_and_handler(PLD_IRQ_CFC_EJECT, &opsput_pld_irq_type,
332 				 handle_level_irq);
333 	pld_icu_data[irq2pldirq(PLD_IRQ_CFC_EJECT)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD02;	/* 'H' edge sense */
334 	disable_opsput_pld_irq(PLD_IRQ_CFC_EJECT);
335 
336 	/*
337 	 * INT0# is used for LAN, DIO
338 	 * We enable it here.
339 	 */
340 	icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD11;
341 	enable_opsput_irq(M32R_IRQ_INT0);
342 
343 	/*
344 	 * INT1# is used for UART, MMC, CF Controller in FPGA.
345 	 * We enable it here.
346 	 */
347 	icu_data[M32R_IRQ_INT1].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD11;
348 	enable_opsput_irq(M32R_IRQ_INT1);
349 
350 #if defined(CONFIG_USB)
351 	outw(USBCR_OTGS, USBCR);	/* USBCR: non-OTG */
352 	irq_set_chip_and_handler(OPSPUT_LCD_IRQ_USB_INT1,
353 				 &opsput_lcdpld_irq_type, handle_level_irq);
354 	lcdpld_icu_data[irq2lcdpldirq(OPSPUT_LCD_IRQ_USB_INT1)].icucr = PLD_ICUCR_IEN|PLD_ICUCR_ISMOD01;	/* "L" level sense */
355 	disable_opsput_lcdpld_irq(OPSPUT_LCD_IRQ_USB_INT1);
356 #endif
357 	/*
358 	 * INT2# is used for BAT, USB, AUDIO
359 	 * We enable it here.
360 	 */
361 	icu_data[M32R_IRQ_INT2].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD01;
362 	enable_opsput_irq(M32R_IRQ_INT2);
363 
364 #if defined(CONFIG_VIDEO_M32R_AR)
365 	/*
366 	 * INT3# is used for AR
367 	 */
368 	irq_set_chip_and_handler(M32R_IRQ_INT3, &opsput_irq_type,
369 				 handle_level_irq);
370 	icu_data[M32R_IRQ_INT3].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10;
371 	disable_opsput_irq(M32R_IRQ_INT3);
372 #endif /* CONFIG_VIDEO_M32R_AR */
373 }
374 
375 #if defined(CONFIG_SMC91X)
376 
377 #define LAN_IOSTART     0x300
378 #define LAN_IOEND       0x320
379 static struct resource smc91x_resources[] = {
380 	[0] = {
381 		.start  = (LAN_IOSTART),
382 		.end    = (LAN_IOEND),
383 		.flags  = IORESOURCE_MEM,
384 	},
385 	[1] = {
386 		.start  = OPSPUT_LAN_IRQ_LAN,
387 		.end    = OPSPUT_LAN_IRQ_LAN,
388 		.flags  = IORESOURCE_IRQ,
389 	}
390 };
391 
392 static struct platform_device smc91x_device = {
393 	.name		= "smc91x",
394 	.id		= 0,
395 	.num_resources  = ARRAY_SIZE(smc91x_resources),
396 	.resource       = smc91x_resources,
397 };
398 #endif
399 
400 #if defined(CONFIG_FB_S1D13XXX)
401 
402 #include <video/s1d13xxxfb.h>
403 #include <asm/s1d13806.h>
404 
405 static struct s1d13xxxfb_pdata s1d13xxxfb_data = {
406 	.initregs		= s1d13xxxfb_initregs,
407 	.initregssize		= ARRAY_SIZE(s1d13xxxfb_initregs),
408 	.platform_init_video	= NULL,
409 #ifdef CONFIG_PM
410 	.platform_suspend_video	= NULL,
411 	.platform_resume_video	= NULL,
412 #endif
413 };
414 
415 static struct resource s1d13xxxfb_resources[] = {
416 	[0] = {
417 		.start  = 0x10600000UL,
418 		.end    = 0x1073FFFFUL,
419 		.flags  = IORESOURCE_MEM,
420 	},
421 	[1] = {
422 		.start  = 0x10400000UL,
423 		.end    = 0x104001FFUL,
424 		.flags  = IORESOURCE_MEM,
425 	}
426 };
427 
428 static struct platform_device s1d13xxxfb_device = {
429 	.name		= S1D_DEVICENAME,
430 	.id		= 0,
431 	.dev            = {
432 		.platform_data  = &s1d13xxxfb_data,
433 	},
434 	.num_resources  = ARRAY_SIZE(s1d13xxxfb_resources),
435 	.resource       = s1d13xxxfb_resources,
436 };
437 #endif
438 
platform_init(void)439 static int __init platform_init(void)
440 {
441 #if defined(CONFIG_SMC91X)
442 	platform_device_register(&smc91x_device);
443 #endif
444 #if defined(CONFIG_FB_S1D13XXX)
445 	platform_device_register(&s1d13xxxfb_device);
446 #endif
447 	return 0;
448 }
449 arch_initcall(platform_init);
450