Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
[pandora-kernel.git] / arch / arm / mach-at91 / at91sam9rl_devices.c
1 /*
2  *  Copyright (C) 2007 Atmel Corporation
3  *
4  * This file is subject to the terms and conditions of the GNU General Public
5  * License.  See the file COPYING in the main directory of this archive for
6  * more details.
7  */
8
9 #include <asm/mach/arch.h>
10 #include <asm/mach/map.h>
11
12 #include <linux/dma-mapping.h>
13 #include <linux/platform_device.h>
14 #include <linux/i2c-gpio.h>
15
16 #include <linux/fb.h>
17 #include <video/atmel_lcdc.h>
18
19 #include <mach/board.h>
20 #include <mach/gpio.h>
21 #include <mach/at91sam9rl.h>
22 #include <mach/at91sam9rl_matrix.h>
23 #include <mach/at91sam9_smc.h>
24 #include <mach/at_hdmac.h>
25
26 #include "generic.h"
27
28
29 /* --------------------------------------------------------------------
30  *  HDMAC - AHB DMA Controller
31  * -------------------------------------------------------------------- */
32
33 #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE)
34 static u64 hdmac_dmamask = DMA_BIT_MASK(32);
35
36 static struct at_dma_platform_data atdma_pdata = {
37         .nr_channels    = 2,
38 };
39
40 static struct resource hdmac_resources[] = {
41         [0] = {
42                 .start  = AT91_BASE_SYS + AT91_DMA,
43                 .end    = AT91_BASE_SYS + AT91_DMA + SZ_512 - 1,
44                 .flags  = IORESOURCE_MEM,
45         },
46         [2] = {
47                 .start  = AT91SAM9RL_ID_DMA,
48                 .end    = AT91SAM9RL_ID_DMA,
49                 .flags  = IORESOURCE_IRQ,
50         },
51 };
52
53 static struct platform_device at_hdmac_device = {
54         .name           = "at_hdmac",
55         .id             = -1,
56         .dev            = {
57                                 .dma_mask               = &hdmac_dmamask,
58                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
59                                 .platform_data          = &atdma_pdata,
60         },
61         .resource       = hdmac_resources,
62         .num_resources  = ARRAY_SIZE(hdmac_resources),
63 };
64
65 void __init at91_add_device_hdmac(void)
66 {
67         dma_cap_set(DMA_MEMCPY, atdma_pdata.cap_mask);
68         platform_device_register(&at_hdmac_device);
69 }
70 #else
71 void __init at91_add_device_hdmac(void) {}
72 #endif
73
74 /* --------------------------------------------------------------------
75  *  USB HS Device (Gadget)
76  * -------------------------------------------------------------------- */
77
78 #if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE)
79
80 static struct resource usba_udc_resources[] = {
81         [0] = {
82                 .start  = AT91SAM9RL_UDPHS_FIFO,
83                 .end    = AT91SAM9RL_UDPHS_FIFO + SZ_512K - 1,
84                 .flags  = IORESOURCE_MEM,
85         },
86         [1] = {
87                 .start  = AT91SAM9RL_BASE_UDPHS,
88                 .end    = AT91SAM9RL_BASE_UDPHS + SZ_1K - 1,
89                 .flags  = IORESOURCE_MEM,
90         },
91         [2] = {
92                 .start  = AT91SAM9RL_ID_UDPHS,
93                 .end    = AT91SAM9RL_ID_UDPHS,
94                 .flags  = IORESOURCE_IRQ,
95         },
96 };
97
98 #define EP(nam, idx, maxpkt, maxbk, dma, isoc)                  \
99         [idx] = {                                               \
100                 .name           = nam,                          \
101                 .index          = idx,                          \
102                 .fifo_size      = maxpkt,                       \
103                 .nr_banks       = maxbk,                        \
104                 .can_dma        = dma,                          \
105                 .can_isoc       = isoc,                         \
106         }
107
108 static struct usba_ep_data usba_udc_ep[] __initdata = {
109         EP("ep0", 0, 64, 1, 0, 0),
110         EP("ep1", 1, 1024, 2, 1, 1),
111         EP("ep2", 2, 1024, 2, 1, 1),
112         EP("ep3", 3, 1024, 3, 1, 0),
113         EP("ep4", 4, 1024, 3, 1, 0),
114         EP("ep5", 5, 1024, 3, 1, 1),
115         EP("ep6", 6, 1024, 3, 1, 1),
116 };
117
118 #undef EP
119
120 /*
121  * pdata doesn't have room for any endpoints, so we need to
122  * append room for the ones we need right after it.
123  */
124 static struct {
125         struct usba_platform_data pdata;
126         struct usba_ep_data ep[7];
127 } usba_udc_data;
128
129 static struct platform_device at91_usba_udc_device = {
130         .name           = "atmel_usba_udc",
131         .id             = -1,
132         .dev            = {
133                                 .platform_data  = &usba_udc_data.pdata,
134         },
135         .resource       = usba_udc_resources,
136         .num_resources  = ARRAY_SIZE(usba_udc_resources),
137 };
138
139 void __init at91_add_device_usba(struct usba_platform_data *data)
140 {
141         /*
142          * Invalid pins are 0 on AT91, but the usba driver is shared
143          * with AVR32, which use negative values instead. Once/if
144          * gpio_is_valid() is ported to AT91, revisit this code.
145          */
146         usba_udc_data.pdata.vbus_pin = -EINVAL;
147         usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep);
148         memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));
149
150         if (data && data->vbus_pin > 0) {
151                 at91_set_gpio_input(data->vbus_pin, 0);
152                 at91_set_deglitch(data->vbus_pin, 1);
153                 usba_udc_data.pdata.vbus_pin = data->vbus_pin;
154         }
155
156         /* Pullup pin is handled internally by USB device peripheral */
157
158         platform_device_register(&at91_usba_udc_device);
159 }
160 #else
161 void __init at91_add_device_usba(struct usba_platform_data *data) {}
162 #endif
163
164
165 /* --------------------------------------------------------------------
166  *  MMC / SD
167  * -------------------------------------------------------------------- */
168
169 #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
170 static u64 mmc_dmamask = DMA_BIT_MASK(32);
171 static struct at91_mmc_data mmc_data;
172
173 static struct resource mmc_resources[] = {
174         [0] = {
175                 .start  = AT91SAM9RL_BASE_MCI,
176                 .end    = AT91SAM9RL_BASE_MCI + SZ_16K - 1,
177                 .flags  = IORESOURCE_MEM,
178         },
179         [1] = {
180                 .start  = AT91SAM9RL_ID_MCI,
181                 .end    = AT91SAM9RL_ID_MCI,
182                 .flags  = IORESOURCE_IRQ,
183         },
184 };
185
186 static struct platform_device at91sam9rl_mmc_device = {
187         .name           = "at91_mci",
188         .id             = -1,
189         .dev            = {
190                                 .dma_mask               = &mmc_dmamask,
191                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
192                                 .platform_data          = &mmc_data,
193         },
194         .resource       = mmc_resources,
195         .num_resources  = ARRAY_SIZE(mmc_resources),
196 };
197
198 void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
199 {
200         if (!data)
201                 return;
202
203         /* input/irq */
204         if (data->det_pin) {
205                 at91_set_gpio_input(data->det_pin, 1);
206                 at91_set_deglitch(data->det_pin, 1);
207         }
208         if (data->wp_pin)
209                 at91_set_gpio_input(data->wp_pin, 1);
210         if (data->vcc_pin)
211                 at91_set_gpio_output(data->vcc_pin, 0);
212
213         /* CLK */
214         at91_set_A_periph(AT91_PIN_PA2, 0);
215
216         /* CMD */
217         at91_set_A_periph(AT91_PIN_PA1, 1);
218
219         /* DAT0, maybe DAT1..DAT3 */
220         at91_set_A_periph(AT91_PIN_PA0, 1);
221         if (data->wire4) {
222                 at91_set_A_periph(AT91_PIN_PA3, 1);
223                 at91_set_A_periph(AT91_PIN_PA4, 1);
224                 at91_set_A_periph(AT91_PIN_PA5, 1);
225         }
226
227         mmc_data = *data;
228         platform_device_register(&at91sam9rl_mmc_device);
229 }
230 #else
231 void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
232 #endif
233
234
235 /* --------------------------------------------------------------------
236  *  NAND / SmartMedia
237  * -------------------------------------------------------------------- */
238
239 #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
240 static struct atmel_nand_data nand_data;
241
242 #define NAND_BASE       AT91_CHIPSELECT_3
243
244 static struct resource nand_resources[] = {
245         [0] = {
246                 .start  = NAND_BASE,
247                 .end    = NAND_BASE + SZ_256M - 1,
248                 .flags  = IORESOURCE_MEM,
249         },
250         [1] = {
251                 .start  = AT91_BASE_SYS + AT91_ECC,
252                 .end    = AT91_BASE_SYS + AT91_ECC + SZ_512 - 1,
253                 .flags  = IORESOURCE_MEM,
254         }
255 };
256
257 static struct platform_device atmel_nand_device = {
258         .name           = "atmel_nand",
259         .id             = -1,
260         .dev            = {
261                                 .platform_data  = &nand_data,
262         },
263         .resource       = nand_resources,
264         .num_resources  = ARRAY_SIZE(nand_resources),
265 };
266
267 void __init at91_add_device_nand(struct atmel_nand_data *data)
268 {
269         unsigned long csa;
270
271         if (!data)
272                 return;
273
274         csa = at91_sys_read(AT91_MATRIX_EBICSA);
275         at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
276
277         /* enable pin */
278         if (data->enable_pin)
279                 at91_set_gpio_output(data->enable_pin, 1);
280
281         /* ready/busy pin */
282         if (data->rdy_pin)
283                 at91_set_gpio_input(data->rdy_pin, 1);
284
285         /* card detect pin */
286         if (data->det_pin)
287                 at91_set_gpio_input(data->det_pin, 1);
288
289         at91_set_A_periph(AT91_PIN_PB4, 0);             /* NANDOE */
290         at91_set_A_periph(AT91_PIN_PB5, 0);             /* NANDWE */
291
292         nand_data = *data;
293         platform_device_register(&atmel_nand_device);
294 }
295
296 #else
297 void __init at91_add_device_nand(struct atmel_nand_data *data) {}
298 #endif
299
300
301 /* --------------------------------------------------------------------
302  *  TWI (i2c)
303  * -------------------------------------------------------------------- */
304
305 /*
306  * Prefer the GPIO code since the TWI controller isn't robust
307  * (gets overruns and underruns under load) and can only issue
308  * repeated STARTs in one scenario (the driver doesn't yet handle them).
309  */
310 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
311
312 static struct i2c_gpio_platform_data pdata = {
313         .sda_pin                = AT91_PIN_PA23,
314         .sda_is_open_drain      = 1,
315         .scl_pin                = AT91_PIN_PA24,
316         .scl_is_open_drain      = 1,
317         .udelay                 = 2,            /* ~100 kHz */
318 };
319
320 static struct platform_device at91sam9rl_twi_device = {
321         .name                   = "i2c-gpio",
322         .id                     = -1,
323         .dev.platform_data      = &pdata,
324 };
325
326 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
327 {
328         at91_set_GPIO_periph(AT91_PIN_PA23, 1);         /* TWD (SDA) */
329         at91_set_multi_drive(AT91_PIN_PA23, 1);
330
331         at91_set_GPIO_periph(AT91_PIN_PA24, 1);         /* TWCK (SCL) */
332         at91_set_multi_drive(AT91_PIN_PA24, 1);
333
334         i2c_register_board_info(0, devices, nr_devices);
335         platform_device_register(&at91sam9rl_twi_device);
336 }
337
338 #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
339
340 static struct resource twi_resources[] = {
341         [0] = {
342                 .start  = AT91SAM9RL_BASE_TWI0,
343                 .end    = AT91SAM9RL_BASE_TWI0 + SZ_16K - 1,
344                 .flags  = IORESOURCE_MEM,
345         },
346         [1] = {
347                 .start  = AT91SAM9RL_ID_TWI0,
348                 .end    = AT91SAM9RL_ID_TWI0,
349                 .flags  = IORESOURCE_IRQ,
350         },
351 };
352
353 static struct platform_device at91sam9rl_twi_device = {
354         .name           = "at91_i2c",
355         .id             = -1,
356         .resource       = twi_resources,
357         .num_resources  = ARRAY_SIZE(twi_resources),
358 };
359
360 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
361 {
362         /* pins used for TWI interface */
363         at91_set_A_periph(AT91_PIN_PA23, 0);            /* TWD */
364         at91_set_multi_drive(AT91_PIN_PA23, 1);
365
366         at91_set_A_periph(AT91_PIN_PA24, 0);            /* TWCK */
367         at91_set_multi_drive(AT91_PIN_PA24, 1);
368
369         i2c_register_board_info(0, devices, nr_devices);
370         platform_device_register(&at91sam9rl_twi_device);
371 }
372 #else
373 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {}
374 #endif
375
376
377 /* --------------------------------------------------------------------
378  *  SPI
379  * -------------------------------------------------------------------- */
380
381 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
382 static u64 spi_dmamask = DMA_BIT_MASK(32);
383
384 static struct resource spi_resources[] = {
385         [0] = {
386                 .start  = AT91SAM9RL_BASE_SPI,
387                 .end    = AT91SAM9RL_BASE_SPI + SZ_16K - 1,
388                 .flags  = IORESOURCE_MEM,
389         },
390         [1] = {
391                 .start  = AT91SAM9RL_ID_SPI,
392                 .end    = AT91SAM9RL_ID_SPI,
393                 .flags  = IORESOURCE_IRQ,
394         },
395 };
396
397 static struct platform_device at91sam9rl_spi_device = {
398         .name           = "atmel_spi",
399         .id             = 0,
400         .dev            = {
401                                 .dma_mask               = &spi_dmamask,
402                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
403         },
404         .resource       = spi_resources,
405         .num_resources  = ARRAY_SIZE(spi_resources),
406 };
407
408 static const unsigned spi_standard_cs[4] = { AT91_PIN_PA28, AT91_PIN_PB7, AT91_PIN_PD8, AT91_PIN_PD9 };
409
410
411 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
412 {
413         int i;
414         unsigned long cs_pin;
415
416         at91_set_A_periph(AT91_PIN_PA25, 0);    /* MISO */
417         at91_set_A_periph(AT91_PIN_PA26, 0);    /* MOSI */
418         at91_set_A_periph(AT91_PIN_PA27, 0);    /* SPCK */
419
420         /* Enable SPI chip-selects */
421         for (i = 0; i < nr_devices; i++) {
422                 if (devices[i].controller_data)
423                         cs_pin = (unsigned long) devices[i].controller_data;
424                 else
425                         cs_pin = spi_standard_cs[devices[i].chip_select];
426
427                 /* enable chip-select pin */
428                 at91_set_gpio_output(cs_pin, 1);
429
430                 /* pass chip-select pin to driver */
431                 devices[i].controller_data = (void *) cs_pin;
432         }
433
434         spi_register_board_info(devices, nr_devices);
435         platform_device_register(&at91sam9rl_spi_device);
436 }
437 #else
438 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
439 #endif
440
441
442 /* --------------------------------------------------------------------
443  *  AC97
444  * -------------------------------------------------------------------- */
445
446 #if defined(CONFIG_SND_ATMEL_AC97C) || defined(CONFIG_SND_ATMEL_AC97C_MODULE)
447 static u64 ac97_dmamask = DMA_BIT_MASK(32);
448 static struct ac97c_platform_data ac97_data;
449
450 static struct resource ac97_resources[] = {
451         [0] = {
452                 .start  = AT91SAM9RL_BASE_AC97C,
453                 .end    = AT91SAM9RL_BASE_AC97C + SZ_16K - 1,
454                 .flags  = IORESOURCE_MEM,
455         },
456         [1] = {
457                 .start  = AT91SAM9RL_ID_AC97C,
458                 .end    = AT91SAM9RL_ID_AC97C,
459                 .flags  = IORESOURCE_IRQ,
460         },
461 };
462
463 static struct platform_device at91sam9rl_ac97_device = {
464         .name           = "atmel_ac97c",
465         .id             = 0,
466         .dev            = {
467                                 .dma_mask               = &ac97_dmamask,
468                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
469                                 .platform_data          = &ac97_data,
470         },
471         .resource       = ac97_resources,
472         .num_resources  = ARRAY_SIZE(ac97_resources),
473 };
474
475 void __init at91_add_device_ac97(struct ac97c_platform_data *data)
476 {
477         if (!data)
478                 return;
479
480         at91_set_A_periph(AT91_PIN_PD1, 0);     /* AC97FS */
481         at91_set_A_periph(AT91_PIN_PD2, 0);     /* AC97CK */
482         at91_set_A_periph(AT91_PIN_PD3, 0);     /* AC97TX */
483         at91_set_A_periph(AT91_PIN_PD4, 0);     /* AC97RX */
484
485         /* reset */
486         if (data->reset_pin)
487                 at91_set_gpio_output(data->reset_pin, 0);
488
489         ac97_data = *data;
490         platform_device_register(&at91sam9rl_ac97_device);
491 }
492 #else
493 void __init at91_add_device_ac97(struct ac97c_platform_data *data) {}
494 #endif
495
496
497 /* --------------------------------------------------------------------
498  *  LCD Controller
499  * -------------------------------------------------------------------- */
500
501 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
502 static u64 lcdc_dmamask = DMA_BIT_MASK(32);
503 static struct atmel_lcdfb_info lcdc_data;
504
505 static struct resource lcdc_resources[] = {
506         [0] = {
507                 .start  = AT91SAM9RL_LCDC_BASE,
508                 .end    = AT91SAM9RL_LCDC_BASE + SZ_4K - 1,
509                 .flags  = IORESOURCE_MEM,
510         },
511         [1] = {
512                 .start  = AT91SAM9RL_ID_LCDC,
513                 .end    = AT91SAM9RL_ID_LCDC,
514                 .flags  = IORESOURCE_IRQ,
515         },
516 };
517
518 static struct platform_device at91_lcdc_device = {
519         .name           = "atmel_lcdfb",
520         .id             = 0,
521         .dev            = {
522                                 .dma_mask               = &lcdc_dmamask,
523                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
524                                 .platform_data          = &lcdc_data,
525         },
526         .resource       = lcdc_resources,
527         .num_resources  = ARRAY_SIZE(lcdc_resources),
528 };
529
530 void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
531 {
532         if (!data) {
533                 return;
534         }
535
536         at91_set_B_periph(AT91_PIN_PC1, 0);     /* LCDPWR */
537         at91_set_A_periph(AT91_PIN_PC5, 0);     /* LCDHSYNC */
538         at91_set_A_periph(AT91_PIN_PC6, 0);     /* LCDDOTCK */
539         at91_set_A_periph(AT91_PIN_PC7, 0);     /* LCDDEN */
540         at91_set_A_periph(AT91_PIN_PC3, 0);     /* LCDCC */
541         at91_set_B_periph(AT91_PIN_PC9, 0);     /* LCDD3 */
542         at91_set_B_periph(AT91_PIN_PC10, 0);    /* LCDD4 */
543         at91_set_B_periph(AT91_PIN_PC11, 0);    /* LCDD5 */
544         at91_set_B_periph(AT91_PIN_PC12, 0);    /* LCDD6 */
545         at91_set_B_periph(AT91_PIN_PC13, 0);    /* LCDD7 */
546         at91_set_B_periph(AT91_PIN_PC15, 0);    /* LCDD11 */
547         at91_set_B_periph(AT91_PIN_PC16, 0);    /* LCDD12 */
548         at91_set_B_periph(AT91_PIN_PC17, 0);    /* LCDD13 */
549         at91_set_B_periph(AT91_PIN_PC18, 0);    /* LCDD14 */
550         at91_set_B_periph(AT91_PIN_PC19, 0);    /* LCDD15 */
551         at91_set_B_periph(AT91_PIN_PC20, 0);    /* LCDD18 */
552         at91_set_B_periph(AT91_PIN_PC21, 0);    /* LCDD19 */
553         at91_set_B_periph(AT91_PIN_PC22, 0);    /* LCDD20 */
554         at91_set_B_periph(AT91_PIN_PC23, 0);    /* LCDD21 */
555         at91_set_B_periph(AT91_PIN_PC24, 0);    /* LCDD22 */
556         at91_set_B_periph(AT91_PIN_PC25, 0);    /* LCDD23 */
557
558         lcdc_data = *data;
559         platform_device_register(&at91_lcdc_device);
560 }
561 #else
562 void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
563 #endif
564
565
566 /* --------------------------------------------------------------------
567  *  Timer/Counter block
568  * -------------------------------------------------------------------- */
569
570 #ifdef CONFIG_ATMEL_TCLIB
571
572 static struct resource tcb_resources[] = {
573         [0] = {
574                 .start  = AT91SAM9RL_BASE_TCB0,
575                 .end    = AT91SAM9RL_BASE_TCB0 + SZ_16K - 1,
576                 .flags  = IORESOURCE_MEM,
577         },
578         [1] = {
579                 .start  = AT91SAM9RL_ID_TC0,
580                 .end    = AT91SAM9RL_ID_TC0,
581                 .flags  = IORESOURCE_IRQ,
582         },
583         [2] = {
584                 .start  = AT91SAM9RL_ID_TC1,
585                 .end    = AT91SAM9RL_ID_TC1,
586                 .flags  = IORESOURCE_IRQ,
587         },
588         [3] = {
589                 .start  = AT91SAM9RL_ID_TC2,
590                 .end    = AT91SAM9RL_ID_TC2,
591                 .flags  = IORESOURCE_IRQ,
592         },
593 };
594
595 static struct platform_device at91sam9rl_tcb_device = {
596         .name           = "atmel_tcb",
597         .id             = 0,
598         .resource       = tcb_resources,
599         .num_resources  = ARRAY_SIZE(tcb_resources),
600 };
601
602 static void __init at91_add_device_tc(void)
603 {
604         platform_device_register(&at91sam9rl_tcb_device);
605 }
606 #else
607 static void __init at91_add_device_tc(void) { }
608 #endif
609
610
611 /* --------------------------------------------------------------------
612  *  Touchscreen
613  * -------------------------------------------------------------------- */
614
615 #if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE)
616 static u64 tsadcc_dmamask = DMA_BIT_MASK(32);
617 static struct at91_tsadcc_data tsadcc_data;
618
619 static struct resource tsadcc_resources[] = {
620         [0] = {
621                 .start  = AT91SAM9RL_BASE_TSC,
622                 .end    = AT91SAM9RL_BASE_TSC + SZ_16K - 1,
623                 .flags  = IORESOURCE_MEM,
624         },
625         [1] = {
626                 .start  = AT91SAM9RL_ID_TSC,
627                 .end    = AT91SAM9RL_ID_TSC,
628                 .flags  = IORESOURCE_IRQ,
629         }
630 };
631
632 static struct platform_device at91sam9rl_tsadcc_device = {
633         .name           = "atmel_tsadcc",
634         .id             = -1,
635         .dev            = {
636                                 .dma_mask               = &tsadcc_dmamask,
637                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
638                                 .platform_data          = &tsadcc_data,
639         },
640         .resource       = tsadcc_resources,
641         .num_resources  = ARRAY_SIZE(tsadcc_resources),
642 };
643
644 void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data)
645 {
646         if (!data)
647                 return;
648
649         at91_set_A_periph(AT91_PIN_PA17, 0);    /* AD0_XR */
650         at91_set_A_periph(AT91_PIN_PA18, 0);    /* AD1_XL */
651         at91_set_A_periph(AT91_PIN_PA19, 0);    /* AD2_YT */
652         at91_set_A_periph(AT91_PIN_PA20, 0);    /* AD3_TB */
653
654         tsadcc_data = *data;
655         platform_device_register(&at91sam9rl_tsadcc_device);
656 }
657 #else
658 void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {}
659 #endif
660
661
662 /* --------------------------------------------------------------------
663  *  RTC
664  * -------------------------------------------------------------------- */
665
666 #if defined(CONFIG_RTC_DRV_AT91RM9200) || defined(CONFIG_RTC_DRV_AT91RM9200_MODULE)
667 static struct platform_device at91sam9rl_rtc_device = {
668         .name           = "at91_rtc",
669         .id             = -1,
670         .num_resources  = 0,
671 };
672
673 static void __init at91_add_device_rtc(void)
674 {
675         platform_device_register(&at91sam9rl_rtc_device);
676 }
677 #else
678 static void __init at91_add_device_rtc(void) {}
679 #endif
680
681
682 /* --------------------------------------------------------------------
683  *  RTT
684  * -------------------------------------------------------------------- */
685
686 static struct resource rtt_resources[] = {
687         {
688                 .start  = AT91_BASE_SYS + AT91_RTT,
689                 .end    = AT91_BASE_SYS + AT91_RTT + SZ_16 - 1,
690                 .flags  = IORESOURCE_MEM,
691         }
692 };
693
694 static struct platform_device at91sam9rl_rtt_device = {
695         .name           = "at91_rtt",
696         .id             = 0,
697         .resource       = rtt_resources,
698         .num_resources  = ARRAY_SIZE(rtt_resources),
699 };
700
701 static void __init at91_add_device_rtt(void)
702 {
703         platform_device_register(&at91sam9rl_rtt_device);
704 }
705
706
707 /* --------------------------------------------------------------------
708  *  Watchdog
709  * -------------------------------------------------------------------- */
710
711 #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
712 static struct platform_device at91sam9rl_wdt_device = {
713         .name           = "at91_wdt",
714         .id             = -1,
715         .num_resources  = 0,
716 };
717
718 static void __init at91_add_device_watchdog(void)
719 {
720         platform_device_register(&at91sam9rl_wdt_device);
721 }
722 #else
723 static void __init at91_add_device_watchdog(void) {}
724 #endif
725
726
727 /* --------------------------------------------------------------------
728  *  PWM
729  * --------------------------------------------------------------------*/
730
731 #if defined(CONFIG_ATMEL_PWM)
732 static u32 pwm_mask;
733
734 static struct resource pwm_resources[] = {
735         [0] = {
736                 .start  = AT91SAM9RL_BASE_PWMC,
737                 .end    = AT91SAM9RL_BASE_PWMC + SZ_16K - 1,
738                 .flags  = IORESOURCE_MEM,
739         },
740         [1] = {
741                 .start  = AT91SAM9RL_ID_PWMC,
742                 .end    = AT91SAM9RL_ID_PWMC,
743                 .flags  = IORESOURCE_IRQ,
744         },
745 };
746
747 static struct platform_device at91sam9rl_pwm0_device = {
748         .name   = "atmel_pwm",
749         .id     = -1,
750         .dev    = {
751                 .platform_data          = &pwm_mask,
752         },
753         .resource       = pwm_resources,
754         .num_resources  = ARRAY_SIZE(pwm_resources),
755 };
756
757 void __init at91_add_device_pwm(u32 mask)
758 {
759         if (mask & (1 << AT91_PWM0))
760                 at91_set_B_periph(AT91_PIN_PB8, 1);     /* enable PWM0 */
761
762         if (mask & (1 << AT91_PWM1))
763                 at91_set_B_periph(AT91_PIN_PB9, 1);     /* enable PWM1 */
764
765         if (mask & (1 << AT91_PWM2))
766                 at91_set_B_periph(AT91_PIN_PD5, 1);     /* enable PWM2 */
767
768         if (mask & (1 << AT91_PWM3))
769                 at91_set_B_periph(AT91_PIN_PD8, 1);     /* enable PWM3 */
770
771         pwm_mask = mask;
772
773         platform_device_register(&at91sam9rl_pwm0_device);
774 }
775 #else
776 void __init at91_add_device_pwm(u32 mask) {}
777 #endif
778
779
780 /* --------------------------------------------------------------------
781  *  SSC -- Synchronous Serial Controller
782  * -------------------------------------------------------------------- */
783
784 #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
785 static u64 ssc0_dmamask = DMA_BIT_MASK(32);
786
787 static struct resource ssc0_resources[] = {
788         [0] = {
789                 .start  = AT91SAM9RL_BASE_SSC0,
790                 .end    = AT91SAM9RL_BASE_SSC0 + SZ_16K - 1,
791                 .flags  = IORESOURCE_MEM,
792         },
793         [1] = {
794                 .start  = AT91SAM9RL_ID_SSC0,
795                 .end    = AT91SAM9RL_ID_SSC0,
796                 .flags  = IORESOURCE_IRQ,
797         },
798 };
799
800 static struct platform_device at91sam9rl_ssc0_device = {
801         .name   = "ssc",
802         .id     = 0,
803         .dev    = {
804                 .dma_mask               = &ssc0_dmamask,
805                 .coherent_dma_mask      = DMA_BIT_MASK(32),
806         },
807         .resource       = ssc0_resources,
808         .num_resources  = ARRAY_SIZE(ssc0_resources),
809 };
810
811 static inline void configure_ssc0_pins(unsigned pins)
812 {
813         if (pins & ATMEL_SSC_TF)
814                 at91_set_A_periph(AT91_PIN_PC0, 1);
815         if (pins & ATMEL_SSC_TK)
816                 at91_set_A_periph(AT91_PIN_PC1, 1);
817         if (pins & ATMEL_SSC_TD)
818                 at91_set_A_periph(AT91_PIN_PA15, 1);
819         if (pins & ATMEL_SSC_RD)
820                 at91_set_A_periph(AT91_PIN_PA16, 1);
821         if (pins & ATMEL_SSC_RK)
822                 at91_set_B_periph(AT91_PIN_PA10, 1);
823         if (pins & ATMEL_SSC_RF)
824                 at91_set_B_periph(AT91_PIN_PA22, 1);
825 }
826
827 static u64 ssc1_dmamask = DMA_BIT_MASK(32);
828
829 static struct resource ssc1_resources[] = {
830         [0] = {
831                 .start  = AT91SAM9RL_BASE_SSC1,
832                 .end    = AT91SAM9RL_BASE_SSC1 + SZ_16K - 1,
833                 .flags  = IORESOURCE_MEM,
834         },
835         [1] = {
836                 .start  = AT91SAM9RL_ID_SSC1,
837                 .end    = AT91SAM9RL_ID_SSC1,
838                 .flags  = IORESOURCE_IRQ,
839         },
840 };
841
842 static struct platform_device at91sam9rl_ssc1_device = {
843         .name   = "ssc",
844         .id     = 1,
845         .dev    = {
846                 .dma_mask               = &ssc1_dmamask,
847                 .coherent_dma_mask      = DMA_BIT_MASK(32),
848         },
849         .resource       = ssc1_resources,
850         .num_resources  = ARRAY_SIZE(ssc1_resources),
851 };
852
853 static inline void configure_ssc1_pins(unsigned pins)
854 {
855         if (pins & ATMEL_SSC_TF)
856                 at91_set_B_periph(AT91_PIN_PA29, 1);
857         if (pins & ATMEL_SSC_TK)
858                 at91_set_B_periph(AT91_PIN_PA30, 1);
859         if (pins & ATMEL_SSC_TD)
860                 at91_set_B_periph(AT91_PIN_PA13, 1);
861         if (pins & ATMEL_SSC_RD)
862                 at91_set_B_periph(AT91_PIN_PA14, 1);
863         if (pins & ATMEL_SSC_RK)
864                 at91_set_B_periph(AT91_PIN_PA9, 1);
865         if (pins & ATMEL_SSC_RF)
866                 at91_set_B_periph(AT91_PIN_PA8, 1);
867 }
868
869 /*
870  * SSC controllers are accessed through library code, instead of any
871  * kind of all-singing/all-dancing driver.  For example one could be
872  * used by a particular I2S audio codec's driver, while another one
873  * on the same system might be used by a custom data capture driver.
874  */
875 void __init at91_add_device_ssc(unsigned id, unsigned pins)
876 {
877         struct platform_device *pdev;
878
879         /*
880          * NOTE: caller is responsible for passing information matching
881          * "pins" to whatever will be using each particular controller.
882          */
883         switch (id) {
884         case AT91SAM9RL_ID_SSC0:
885                 pdev = &at91sam9rl_ssc0_device;
886                 configure_ssc0_pins(pins);
887                 break;
888         case AT91SAM9RL_ID_SSC1:
889                 pdev = &at91sam9rl_ssc1_device;
890                 configure_ssc1_pins(pins);
891                 break;
892         default:
893                 return;
894         }
895
896         platform_device_register(pdev);
897 }
898
899 #else
900 void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
901 #endif
902
903
904 /* --------------------------------------------------------------------
905  *  UART
906  * -------------------------------------------------------------------- */
907
908 #if defined(CONFIG_SERIAL_ATMEL)
909 static struct resource dbgu_resources[] = {
910         [0] = {
911                 .start  = AT91_VA_BASE_SYS + AT91_DBGU,
912                 .end    = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
913                 .flags  = IORESOURCE_MEM,
914         },
915         [1] = {
916                 .start  = AT91_ID_SYS,
917                 .end    = AT91_ID_SYS,
918                 .flags  = IORESOURCE_IRQ,
919         },
920 };
921
922 static struct atmel_uart_data dbgu_data = {
923         .use_dma_tx     = 0,
924         .use_dma_rx     = 0,            /* DBGU not capable of receive DMA */
925         .regs           = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
926 };
927
928 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
929
930 static struct platform_device at91sam9rl_dbgu_device = {
931         .name           = "atmel_usart",
932         .id             = 0,
933         .dev            = {
934                                 .dma_mask               = &dbgu_dmamask,
935                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
936                                 .platform_data          = &dbgu_data,
937         },
938         .resource       = dbgu_resources,
939         .num_resources  = ARRAY_SIZE(dbgu_resources),
940 };
941
942 static inline void configure_dbgu_pins(void)
943 {
944         at91_set_A_periph(AT91_PIN_PA21, 0);            /* DRXD */
945         at91_set_A_periph(AT91_PIN_PA22, 1);            /* DTXD */
946 }
947
948 static struct resource uart0_resources[] = {
949         [0] = {
950                 .start  = AT91SAM9RL_BASE_US0,
951                 .end    = AT91SAM9RL_BASE_US0 + SZ_16K - 1,
952                 .flags  = IORESOURCE_MEM,
953         },
954         [1] = {
955                 .start  = AT91SAM9RL_ID_US0,
956                 .end    = AT91SAM9RL_ID_US0,
957                 .flags  = IORESOURCE_IRQ,
958         },
959 };
960
961 static struct atmel_uart_data uart0_data = {
962         .use_dma_tx     = 1,
963         .use_dma_rx     = 1,
964 };
965
966 static u64 uart0_dmamask = DMA_BIT_MASK(32);
967
968 static struct platform_device at91sam9rl_uart0_device = {
969         .name           = "atmel_usart",
970         .id             = 1,
971         .dev            = {
972                                 .dma_mask               = &uart0_dmamask,
973                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
974                                 .platform_data          = &uart0_data,
975         },
976         .resource       = uart0_resources,
977         .num_resources  = ARRAY_SIZE(uart0_resources),
978 };
979
980 static inline void configure_usart0_pins(unsigned pins)
981 {
982         at91_set_A_periph(AT91_PIN_PA6, 1);             /* TXD0 */
983         at91_set_A_periph(AT91_PIN_PA7, 0);             /* RXD0 */
984
985         if (pins & ATMEL_UART_RTS)
986                 at91_set_A_periph(AT91_PIN_PA9, 0);     /* RTS0 */
987         if (pins & ATMEL_UART_CTS)
988                 at91_set_A_periph(AT91_PIN_PA10, 0);    /* CTS0 */
989         if (pins & ATMEL_UART_DSR)
990                 at91_set_A_periph(AT91_PIN_PD14, 0);    /* DSR0 */
991         if (pins & ATMEL_UART_DTR)
992                 at91_set_A_periph(AT91_PIN_PD15, 0);    /* DTR0 */
993         if (pins & ATMEL_UART_DCD)
994                 at91_set_A_periph(AT91_PIN_PD16, 0);    /* DCD0 */
995         if (pins & ATMEL_UART_RI)
996                 at91_set_A_periph(AT91_PIN_PD17, 0);    /* RI0 */
997 }
998
999 static struct resource uart1_resources[] = {
1000         [0] = {
1001                 .start  = AT91SAM9RL_BASE_US1,
1002                 .end    = AT91SAM9RL_BASE_US1 + SZ_16K - 1,
1003                 .flags  = IORESOURCE_MEM,
1004         },
1005         [1] = {
1006                 .start  = AT91SAM9RL_ID_US1,
1007                 .end    = AT91SAM9RL_ID_US1,
1008                 .flags  = IORESOURCE_IRQ,
1009         },
1010 };
1011
1012 static struct atmel_uart_data uart1_data = {
1013         .use_dma_tx     = 1,
1014         .use_dma_rx     = 1,
1015 };
1016
1017 static u64 uart1_dmamask = DMA_BIT_MASK(32);
1018
1019 static struct platform_device at91sam9rl_uart1_device = {
1020         .name           = "atmel_usart",
1021         .id             = 2,
1022         .dev            = {
1023                                 .dma_mask               = &uart1_dmamask,
1024                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1025                                 .platform_data          = &uart1_data,
1026         },
1027         .resource       = uart1_resources,
1028         .num_resources  = ARRAY_SIZE(uart1_resources),
1029 };
1030
1031 static inline void configure_usart1_pins(unsigned pins)
1032 {
1033         at91_set_A_periph(AT91_PIN_PA11, 1);            /* TXD1 */
1034         at91_set_A_periph(AT91_PIN_PA12, 0);            /* RXD1 */
1035
1036         if (pins & ATMEL_UART_RTS)
1037                 at91_set_B_periph(AT91_PIN_PA18, 0);    /* RTS1 */
1038         if (pins & ATMEL_UART_CTS)
1039                 at91_set_B_periph(AT91_PIN_PA19, 0);    /* CTS1 */
1040 }
1041
1042 static struct resource uart2_resources[] = {
1043         [0] = {
1044                 .start  = AT91SAM9RL_BASE_US2,
1045                 .end    = AT91SAM9RL_BASE_US2 + SZ_16K - 1,
1046                 .flags  = IORESOURCE_MEM,
1047         },
1048         [1] = {
1049                 .start  = AT91SAM9RL_ID_US2,
1050                 .end    = AT91SAM9RL_ID_US2,
1051                 .flags  = IORESOURCE_IRQ,
1052         },
1053 };
1054
1055 static struct atmel_uart_data uart2_data = {
1056         .use_dma_tx     = 1,
1057         .use_dma_rx     = 1,
1058 };
1059
1060 static u64 uart2_dmamask = DMA_BIT_MASK(32);
1061
1062 static struct platform_device at91sam9rl_uart2_device = {
1063         .name           = "atmel_usart",
1064         .id             = 3,
1065         .dev            = {
1066                                 .dma_mask               = &uart2_dmamask,
1067                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1068                                 .platform_data          = &uart2_data,
1069         },
1070         .resource       = uart2_resources,
1071         .num_resources  = ARRAY_SIZE(uart2_resources),
1072 };
1073
1074 static inline void configure_usart2_pins(unsigned pins)
1075 {
1076         at91_set_A_periph(AT91_PIN_PA13, 1);            /* TXD2 */
1077         at91_set_A_periph(AT91_PIN_PA14, 0);            /* RXD2 */
1078
1079         if (pins & ATMEL_UART_RTS)
1080                 at91_set_A_periph(AT91_PIN_PA29, 0);    /* RTS2 */
1081         if (pins & ATMEL_UART_CTS)
1082                 at91_set_A_periph(AT91_PIN_PA30, 0);    /* CTS2 */
1083 }
1084
1085 static struct resource uart3_resources[] = {
1086         [0] = {
1087                 .start  = AT91SAM9RL_BASE_US3,
1088                 .end    = AT91SAM9RL_BASE_US3 + SZ_16K - 1,
1089                 .flags  = IORESOURCE_MEM,
1090         },
1091         [1] = {
1092                 .start  = AT91SAM9RL_ID_US3,
1093                 .end    = AT91SAM9RL_ID_US3,
1094                 .flags  = IORESOURCE_IRQ,
1095         },
1096 };
1097
1098 static struct atmel_uart_data uart3_data = {
1099         .use_dma_tx     = 1,
1100         .use_dma_rx     = 1,
1101 };
1102
1103 static u64 uart3_dmamask = DMA_BIT_MASK(32);
1104
1105 static struct platform_device at91sam9rl_uart3_device = {
1106         .name           = "atmel_usart",
1107         .id             = 4,
1108         .dev            = {
1109                                 .dma_mask               = &uart3_dmamask,
1110                                 .coherent_dma_mask      = DMA_BIT_MASK(32),
1111                                 .platform_data          = &uart3_data,
1112         },
1113         .resource       = uart3_resources,
1114         .num_resources  = ARRAY_SIZE(uart3_resources),
1115 };
1116
1117 static inline void configure_usart3_pins(unsigned pins)
1118 {
1119         at91_set_A_periph(AT91_PIN_PB0, 1);             /* TXD3 */
1120         at91_set_A_periph(AT91_PIN_PB1, 0);             /* RXD3 */
1121
1122         if (pins & ATMEL_UART_RTS)
1123                 at91_set_B_periph(AT91_PIN_PD4, 0);     /* RTS3 */
1124         if (pins & ATMEL_UART_CTS)
1125                 at91_set_B_periph(AT91_PIN_PD3, 0);     /* CTS3 */
1126 }
1127
1128 static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART];   /* the UARTs to use */
1129 struct platform_device *atmel_default_console_device;   /* the serial console device */
1130
1131 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1132 {
1133         struct platform_device *pdev;
1134         struct atmel_uart_data *pdata;
1135
1136         switch (id) {
1137                 case 0:         /* DBGU */
1138                         pdev = &at91sam9rl_dbgu_device;
1139                         configure_dbgu_pins();
1140                         break;
1141                 case AT91SAM9RL_ID_US0:
1142                         pdev = &at91sam9rl_uart0_device;
1143                         configure_usart0_pins(pins);
1144                         break;
1145                 case AT91SAM9RL_ID_US1:
1146                         pdev = &at91sam9rl_uart1_device;
1147                         configure_usart1_pins(pins);
1148                         break;
1149                 case AT91SAM9RL_ID_US2:
1150                         pdev = &at91sam9rl_uart2_device;
1151                         configure_usart2_pins(pins);
1152                         break;
1153                 case AT91SAM9RL_ID_US3:
1154                         pdev = &at91sam9rl_uart3_device;
1155                         configure_usart3_pins(pins);
1156                         break;
1157                 default:
1158                         return;
1159         }
1160         pdata = pdev->dev.platform_data;
1161         pdata->num = portnr;            /* update to mapped ID */
1162
1163         if (portnr < ATMEL_MAX_UART)
1164                 at91_uarts[portnr] = pdev;
1165 }
1166
1167 void __init at91_set_serial_console(unsigned portnr)
1168 {
1169         if (portnr < ATMEL_MAX_UART) {
1170                 atmel_default_console_device = at91_uarts[portnr];
1171                 at91sam9rl_set_console_clock(at91_uarts[portnr]->id);
1172         }
1173 }
1174
1175 void __init at91_add_device_serial(void)
1176 {
1177         int i;
1178
1179         for (i = 0; i < ATMEL_MAX_UART; i++) {
1180                 if (at91_uarts[i])
1181                         platform_device_register(at91_uarts[i]);
1182         }
1183
1184         if (!atmel_default_console_device)
1185                 printk(KERN_INFO "AT91: No default serial console defined.\n");
1186 }
1187 #else
1188 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
1189 void __init at91_set_serial_console(unsigned portnr) {}
1190 void __init at91_add_device_serial(void) {}
1191 #endif
1192
1193
1194 /* -------------------------------------------------------------------- */
1195
1196 /*
1197  * These devices are always present and don't need any board-specific
1198  * setup.
1199  */
1200 static int __init at91_add_standard_devices(void)
1201 {
1202         at91_add_device_hdmac();
1203         at91_add_device_rtc();
1204         at91_add_device_rtt();
1205         at91_add_device_watchdog();
1206         at91_add_device_tc();
1207         return 0;
1208 }
1209
1210 arch_initcall(at91_add_standard_devices);