Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 /* linux/arch/arm/plat-s3c24xx/devs.c
  2  *
  3  * Copyright (c) 2004 Simtec Electronics
  4  *      Ben Dooks <ben@simtec.co.uk>
  5  *
  6  * Base S3C24XX platform device definitions
  7  *
  8  * This program is free software; you can redistribute it and/or modify
  9  * it under the terms of the GNU General Public License version 2 as
 10  * published by the Free Software Foundation.
 11  *
 12 */
 13 
 14 #include <linux/kernel.h>
 15 #include <linux/types.h>
 16 #include <linux/interrupt.h>
 17 #include <linux/list.h>
 18 #include <linux/timer.h>
 19 #include <linux/init.h>
 20 #include <linux/serial_core.h>
 21 #include <linux/platform_device.h>
 22 #include <linux/io.h>
 23 
 24 #include <asm/mach/arch.h>
 25 #include <asm/mach/map.h>
 26 #include <asm/mach/irq.h>
 27 #include <mach/fb.h>
 28 #include <mach/hardware.h>
 29 #include <asm/irq.h>
 30 
 31 #include <plat/regs-serial.h>
 32 #include <plat/udc.h>
 33 
 34 #include <plat/devs.h>
 35 #include <plat/cpu.h>
 36 #include <plat/regs-spi.h>
 37 
 38 /* Serial port registrations */
 39 
 40 static struct resource s3c2410_uart0_resource[] = {
 41         [0] = {
 42                 .start = S3C2410_PA_UART0,
 43                 .end   = S3C2410_PA_UART0 + 0x3fff,
 44                 .flags = IORESOURCE_MEM,
 45         },
 46         [1] = {
 47                 .start = IRQ_S3CUART_RX0,
 48                 .end   = IRQ_S3CUART_ERR0,
 49                 .flags = IORESOURCE_IRQ,
 50         }
 51 };
 52 
 53 static struct resource s3c2410_uart1_resource[] = {
 54         [0] = {
 55                 .start = S3C2410_PA_UART1,
 56                 .end   = S3C2410_PA_UART1 + 0x3fff,
 57                 .flags = IORESOURCE_MEM,
 58         },
 59         [1] = {
 60                 .start = IRQ_S3CUART_RX1,
 61                 .end   = IRQ_S3CUART_ERR1,
 62                 .flags = IORESOURCE_IRQ,
 63         }
 64 };
 65 
 66 static struct resource s3c2410_uart2_resource[] = {
 67         [0] = {
 68                 .start = S3C2410_PA_UART2,
 69                 .end   = S3C2410_PA_UART2 + 0x3fff,
 70                 .flags = IORESOURCE_MEM,
 71         },
 72         [1] = {
 73                 .start = IRQ_S3CUART_RX2,
 74                 .end   = IRQ_S3CUART_ERR2,
 75                 .flags = IORESOURCE_IRQ,
 76         }
 77 };
 78 
 79 static struct resource s3c2410_uart3_resource[] = {
 80         [0] = {
 81                 .start = S3C2443_PA_UART3,
 82                 .end   = S3C2443_PA_UART3 + 0x3fff,
 83                 .flags = IORESOURCE_MEM,
 84         },
 85         [1] = {
 86                 .start = IRQ_S3CUART_RX3,
 87                 .end   = IRQ_S3CUART_ERR3,
 88                 .flags = IORESOURCE_IRQ,
 89         },
 90 };
 91 
 92 struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = {
 93         [0] = {
 94                 .resources      = s3c2410_uart0_resource,
 95                 .nr_resources   = ARRAY_SIZE(s3c2410_uart0_resource),
 96         },
 97         [1] = {
 98                 .resources      = s3c2410_uart1_resource,
 99                 .nr_resources   = ARRAY_SIZE(s3c2410_uart1_resource),
100         },
101         [2] = {
102                 .resources      = s3c2410_uart2_resource,
103                 .nr_resources   = ARRAY_SIZE(s3c2410_uart2_resource),
104         },
105         [3] = {
106                 .resources      = s3c2410_uart3_resource,
107                 .nr_resources   = ARRAY_SIZE(s3c2410_uart3_resource),
108         },
109 };
110 
111 /* yart devices */
112 
113 static struct platform_device s3c24xx_uart_device0 = {
114         .id             = 0,
115 };
116 
117 static struct platform_device s3c24xx_uart_device1 = {
118         .id             = 1,
119 };
120 
121 static struct platform_device s3c24xx_uart_device2 = {
122         .id             = 2,
123 };
124 
125 static struct platform_device s3c24xx_uart_device3 = {
126         .id             = 3,
127 };
128 
129 struct platform_device *s3c24xx_uart_src[4] = {
130         &s3c24xx_uart_device0,
131         &s3c24xx_uart_device1,
132         &s3c24xx_uart_device2,
133         &s3c24xx_uart_device3,
134 };
135 
136 struct platform_device *s3c24xx_uart_devs[4] = {
137 };
138 
139 /* LCD Controller */
140 
141 static struct resource s3c_lcd_resource[] = {
142         [0] = {
143                 .start = S3C24XX_PA_LCD,
144                 .end   = S3C24XX_PA_LCD + S3C24XX_SZ_LCD - 1,
145                 .flags = IORESOURCE_MEM,
146         },
147         [1] = {
148                 .start = IRQ_LCD,
149                 .end   = IRQ_LCD,
150                 .flags = IORESOURCE_IRQ,
151         }
152 
153 };
154 
155 static u64 s3c_device_lcd_dmamask = 0xffffffffUL;
156 
157 struct platform_device s3c_device_lcd = {
158         .name             = "s3c2410-lcd",
159         .id               = -1,
160         .num_resources    = ARRAY_SIZE(s3c_lcd_resource),
161         .resource         = s3c_lcd_resource,
162         .dev              = {
163                 .dma_mask               = &s3c_device_lcd_dmamask,
164                 .coherent_dma_mask      = 0xffffffffUL
165         }
166 };
167 
168 EXPORT_SYMBOL(s3c_device_lcd);
169 
170 void __init s3c24xx_fb_set_platdata(struct s3c2410fb_mach_info *pd)
171 {
172         struct s3c2410fb_mach_info *npd;
173 
174         npd = kmalloc(sizeof(*npd), GFP_KERNEL);
175         if (npd) {
176                 memcpy(npd, pd, sizeof(*npd));
177                 s3c_device_lcd.dev.platform_data = npd;
178         } else {
179                 printk(KERN_ERR "no memory for LCD platform data\n");
180         }
181 }
182 
183 /* NAND Controller */
184 
185 static struct resource s3c_nand_resource[] = {
186         [0] = {
187                 .start = S3C24XX_PA_NAND,
188                 .end   = S3C24XX_PA_NAND + S3C24XX_SZ_NAND - 1,
189                 .flags = IORESOURCE_MEM,
190         }
191 };
192 
193 struct platform_device s3c_device_nand = {
194         .name             = "s3c2410-nand",
195         .id               = -1,
196         .num_resources    = ARRAY_SIZE(s3c_nand_resource),
197         .resource         = s3c_nand_resource,
198 };
199 
200 EXPORT_SYMBOL(s3c_device_nand);
201 
202 /* USB Device (Gadget)*/
203 
204 static struct resource s3c_usbgadget_resource[] = {
205         [0] = {
206                 .start = S3C24XX_PA_USBDEV,
207                 .end   = S3C24XX_PA_USBDEV + S3C24XX_SZ_USBDEV - 1,
208                 .flags = IORESOURCE_MEM,
209         },
210         [1] = {
211                 .start = IRQ_USBD,
212                 .end   = IRQ_USBD,
213                 .flags = IORESOURCE_IRQ,
214         }
215 
216 };
217 
218 struct platform_device s3c_device_usbgadget = {
219         .name             = "s3c2410-usbgadget",
220         .id               = -1,
221         .num_resources    = ARRAY_SIZE(s3c_usbgadget_resource),
222         .resource         = s3c_usbgadget_resource,
223 };
224 
225 EXPORT_SYMBOL(s3c_device_usbgadget);
226 
227 void __init s3c24xx_udc_set_platdata(struct s3c2410_udc_mach_info *pd)
228 {
229         struct s3c2410_udc_mach_info *npd;
230 
231         npd = kmalloc(sizeof(*npd), GFP_KERNEL);
232         if (npd) {
233                 memcpy(npd, pd, sizeof(*npd));
234                 s3c_device_usbgadget.dev.platform_data = npd;
235         } else {
236                 printk(KERN_ERR "no memory for udc platform data\n");
237         }
238 }
239 
240 
241 /* Watchdog */
242 
243 static struct resource s3c_wdt_resource[] = {
244         [0] = {
245                 .start = S3C24XX_PA_WATCHDOG,
246                 .end   = S3C24XX_PA_WATCHDOG + S3C24XX_SZ_WATCHDOG - 1,
247                 .flags = IORESOURCE_MEM,
248         },
249         [1] = {
250                 .start = IRQ_WDT,
251                 .end   = IRQ_WDT,
252                 .flags = IORESOURCE_IRQ,
253         }
254 
255 };
256 
257 struct platform_device s3c_device_wdt = {
258         .name             = "s3c2410-wdt",
259         .id               = -1,
260         .num_resources    = ARRAY_SIZE(s3c_wdt_resource),
261         .resource         = s3c_wdt_resource,
262 };
263 
264 EXPORT_SYMBOL(s3c_device_wdt);
265 
266 /* IIS */
267 
268 static struct resource s3c_iis_resource[] = {
269         [0] = {
270                 .start = S3C24XX_PA_IIS,
271                 .end   = S3C24XX_PA_IIS + S3C24XX_SZ_IIS -1,
272                 .flags = IORESOURCE_MEM,
273         }
274 };
275 
276 static u64 s3c_device_iis_dmamask = 0xffffffffUL;
277 
278 struct platform_device s3c_device_iis = {
279         .name             = "s3c2410-iis",
280         .id               = -1,
281         .num_resources    = ARRAY_SIZE(s3c_iis_resource),
282         .resource         = s3c_iis_resource,
283         .dev              = {
284                 .dma_mask = &s3c_device_iis_dmamask,
285                 .coherent_dma_mask = 0xffffffffUL
286         }
287 };
288 
289 EXPORT_SYMBOL(s3c_device_iis);
290 
291 /* RTC */
292 
293 static struct resource s3c_rtc_resource[] = {
294         [0] = {
295                 .start = S3C24XX_PA_RTC,
296                 .end   = S3C24XX_PA_RTC + 0xff,
297                 .flags = IORESOURCE_MEM,
298         },
299         [1] = {
300                 .start = IRQ_RTC,
301                 .end   = IRQ_RTC,
302                 .flags = IORESOURCE_IRQ,
303         },
304         [2] = {
305                 .start = IRQ_TICK,
306                 .end   = IRQ_TICK,
307                 .flags = IORESOURCE_IRQ
308         }
309 };
310 
311 struct platform_device s3c_device_rtc = {
312         .name             = "s3c2410-rtc",
313         .id               = -1,
314         .num_resources    = ARRAY_SIZE(s3c_rtc_resource),
315         .resource         = s3c_rtc_resource,
316 };
317 
318 EXPORT_SYMBOL(s3c_device_rtc);
319 
320 /* ADC */
321 
322 static struct resource s3c_adc_resource[] = {
323         [0] = {
324                 .start = S3C24XX_PA_ADC,
325                 .end   = S3C24XX_PA_ADC + S3C24XX_SZ_ADC - 1,
326                 .flags = IORESOURCE_MEM,
327         },
328         [1] = {
329                 .start = IRQ_TC,
330                 .end   = IRQ_TC,
331                 .flags = IORESOURCE_IRQ,
332         },
333         [2] = {
334                 .start = IRQ_ADC,
335                 .end   = IRQ_ADC,
336                 .flags = IORESOURCE_IRQ,
337         }
338 
339 };
340 
341 struct platform_device s3c_device_adc = {
342         .name             = "s3c24xx-adc",
343         .id               = -1,
344         .num_resources    = ARRAY_SIZE(s3c_adc_resource),
345         .resource         = s3c_adc_resource,
346 };
347 
348 /* HWMON */
349 
350 struct platform_device s3c_device_hwmon = {
351         .name           = "s3c24xx-hwmon",
352         .id             = -1,
353         .dev.parent     = &s3c_device_adc.dev,
354 };
355 
356 /* SDI */
357 
358 static struct resource s3c_sdi_resource[] = {
359         [0] = {
360                 .start = S3C24XX_PA_SDI,
361                 .end   = S3C24XX_PA_SDI + S3C24XX_SZ_SDI - 1,
362                 .flags = IORESOURCE_MEM,
363         },
364         [1] = {
365                 .start = IRQ_SDI,
366                 .end   = IRQ_SDI,
367                 .flags = IORESOURCE_IRQ,
368         }
369 
370 };
371 
372 struct platform_device s3c_device_sdi = {
373         .name             = "s3c2410-sdi",
374         .id               = -1,
375         .num_resources    = ARRAY_SIZE(s3c_sdi_resource),
376         .resource         = s3c_sdi_resource,
377 };
378 
379 EXPORT_SYMBOL(s3c_device_sdi);
380 
381 /* SPI (0) */
382 
383 static struct resource s3c_spi0_resource[] = {
384         [0] = {
385                 .start = S3C24XX_PA_SPI,
386                 .end   = S3C24XX_PA_SPI + 0x1f,
387                 .flags = IORESOURCE_MEM,
388         },
389         [1] = {
390                 .start = IRQ_SPI0,
391                 .end   = IRQ_SPI0,
392                 .flags = IORESOURCE_IRQ,
393         }
394 
395 };
396 
397 static u64 s3c_device_spi0_dmamask = 0xffffffffUL;
398 
399 struct platform_device s3c_device_spi0 = {
400         .name             = "s3c2410-spi",
401         .id               = 0,
402         .num_resources    = ARRAY_SIZE(s3c_spi0_resource),
403         .resource         = s3c_spi0_resource,
404         .dev              = {
405                 .dma_mask = &s3c_device_spi0_dmamask,
406                 .coherent_dma_mask = 0xffffffffUL
407         }
408 };
409 
410 EXPORT_SYMBOL(s3c_device_spi0);
411 
412 /* SPI (1) */
413 
414 static struct resource s3c_spi1_resource[] = {
415         [0] = {
416                 .start = S3C24XX_PA_SPI + S3C2410_SPI1,
417                 .end   = S3C24XX_PA_SPI + S3C2410_SPI1 + 0x1f,
418                 .flags = IORESOURCE_MEM,
419         },
420         [1] = {
421                 .start = IRQ_SPI1,
422                 .end   = IRQ_SPI1,
423                 .flags = IORESOURCE_IRQ,
424         }
425 
426 };
427 
428 static u64 s3c_device_spi1_dmamask = 0xffffffffUL;
429 
430 struct platform_device s3c_device_spi1 = {
431         .name             = "s3c2410-spi",
432         .id               = 1,
433         .num_resources    = ARRAY_SIZE(s3c_spi1_resource),
434         .resource         = s3c_spi1_resource,
435         .dev              = {
436                 .dma_mask = &s3c_device_spi1_dmamask,
437                 .coherent_dma_mask = 0xffffffffUL
438         }
439 };
440 
441 EXPORT_SYMBOL(s3c_device_spi1);
442 
443 #ifdef CONFIG_CPU_S3C2440
444 
445 /* Camif Controller */
446 
447 static struct resource s3c_camif_resource[] = {
448         [0] = {
449                 .start = S3C2440_PA_CAMIF,
450                 .end   = S3C2440_PA_CAMIF + S3C2440_SZ_CAMIF - 1,
451                 .flags = IORESOURCE_MEM,
452         },
453         [1] = {
454                 .start = IRQ_CAM,
455                 .end   = IRQ_CAM,
456                 .flags = IORESOURCE_IRQ,
457         }
458 
459 };
460 
461 static u64 s3c_device_camif_dmamask = 0xffffffffUL;
462 
463 struct platform_device s3c_device_camif = {
464         .name             = "s3c2440-camif",
465         .id               = -1,
466         .num_resources    = ARRAY_SIZE(s3c_camif_resource),
467         .resource         = s3c_camif_resource,
468         .dev              = {
469                 .dma_mask = &s3c_device_camif_dmamask,
470                 .coherent_dma_mask = 0xffffffffUL
471         }
472 };
473 
474 EXPORT_SYMBOL(s3c_device_camif);
475 
476 #endif // CONFIG_CPU_S32440
477 
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