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TOMOYO Linux Cross Reference
Linux/arch/blackfin/mach-bf533/boards/cm_bf533.c

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  1 /*
  2  * Copyright 2004-2009 Analog Devices Inc.
  3  *           2008-2009 Bluetechnix
  4  *                2005 National ICT Australia (NICTA)
  5  *                      Aidan Williams <aidan@nicta.com.au>
  6  *
  7  * Licensed under the GPL-2 or later.
  8  */
  9 
 10 #include <linux/device.h>
 11 #include <linux/platform_device.h>
 12 #include <linux/mtd/mtd.h>
 13 #include <linux/mtd/partitions.h>
 14 #include <linux/mtd/physmap.h>
 15 #include <linux/spi/spi.h>
 16 #include <linux/spi/flash.h>
 17 #include <linux/spi/mmc_spi.h>
 18 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
 19 #include <linux/usb/isp1362.h>
 20 #endif
 21 #include <linux/irq.h>
 22 #include <asm/dma.h>
 23 #include <asm/bfin5xx_spi.h>
 24 #include <asm/portmux.h>
 25 #include <asm/dpmc.h>
 26 
 27 /*
 28  * Name the Board for the /proc/cpuinfo
 29  */
 30 const char bfin_board_name[] = "Bluetechnix CM BF533";
 31 
 32 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
 33 /* all SPI peripherals info goes here */
 34 #if IS_ENABLED(CONFIG_MTD_M25P80)
 35 static struct mtd_partition bfin_spi_flash_partitions[] = {
 36         {
 37                 .name = "bootloader(spi)",
 38                 .size = 0x00020000,
 39                 .offset = 0,
 40                 .mask_flags = MTD_CAP_ROM
 41         }, {
 42                 .name = "linux kernel(spi)",
 43                 .size = 0xe0000,
 44                 .offset = 0x20000
 45         }, {
 46                 .name = "file system(spi)",
 47                 .size = 0x700000,
 48                 .offset = 0x00100000,
 49         }
 50 };
 51 
 52 static struct flash_platform_data bfin_spi_flash_data = {
 53         .name = "m25p80",
 54         .parts = bfin_spi_flash_partitions,
 55         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
 56         .type = "m25p64",
 57 };
 58 
 59 /* SPI flash chip (m25p64) */
 60 static struct bfin5xx_spi_chip spi_flash_chip_info = {
 61         .enable_dma = 0,         /* use dma transfer with this chip*/
 62 };
 63 #endif
 64 
 65 #if IS_ENABLED(CONFIG_MMC_SPI)
 66 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
 67         .enable_dma = 0,
 68 };
 69 #endif
 70 
 71 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 72 #if IS_ENABLED(CONFIG_MTD_M25P80)
 73         {
 74                 /* the modalias must be the same as spi device driver name */
 75                 .modalias = "m25p80",       /* Name of spi_driver for this device */
 76                 .max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
 77                 .bus_num = 0,               /* Framework bus number */
 78                 .chip_select = 1,           /* Framework chip select. On STAMP537 it is SPISSEL1*/
 79                 .platform_data = &bfin_spi_flash_data,
 80                 .controller_data = &spi_flash_chip_info,
 81                 .mode = SPI_MODE_3,
 82         },
 83 #endif
 84 
 85 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
 86         {
 87                 .modalias = "ad183x",
 88                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 89                 .bus_num = 0,
 90                 .chip_select = 4,
 91         },
 92 #endif
 93 
 94 #if IS_ENABLED(CONFIG_MMC_SPI)
 95         {
 96                 .modalias = "mmc_spi",
 97                 .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
 98                 .bus_num = 0,
 99                 .chip_select = 1,
100                 .controller_data = &mmc_spi_chip_info,
101                 .mode = SPI_MODE_3,
102         },
103 #endif
104 };
105 
106 /* SPI (0) */
107 static struct resource bfin_spi0_resource[] = {
108         [0] = {
109                 .start = SPI0_REGBASE,
110                 .end   = SPI0_REGBASE + 0xFF,
111                 .flags = IORESOURCE_MEM,
112         },
113         [1] = {
114                 .start = CH_SPI,
115                 .end   = CH_SPI,
116                 .flags = IORESOURCE_DMA,
117         },
118         [2] = {
119                 .start = IRQ_SPI,
120                 .end   = IRQ_SPI,
121                 .flags = IORESOURCE_IRQ,
122         }
123 };
124 
125 /* SPI controller data */
126 static struct bfin5xx_spi_master bfin_spi0_info = {
127         .num_chipselect = 8,
128         .enable_dma = 1,  /* master has the ability to do dma transfer */
129         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
130 };
131 
132 static struct platform_device bfin_spi0_device = {
133         .name = "bfin-spi",
134         .id = 0, /* Bus number */
135         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
136         .resource = bfin_spi0_resource,
137         .dev = {
138                 .platform_data = &bfin_spi0_info, /* Passed to driver */
139         },
140 };
141 #endif  /* spi master and devices */
142 
143 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
144 static struct platform_device rtc_device = {
145         .name = "rtc-bfin",
146         .id   = -1,
147 };
148 #endif
149 
150 #if IS_ENABLED(CONFIG_SMC91X)
151 #include <linux/smc91x.h>
152 
153 static struct smc91x_platdata smc91x_info = {
154         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
155         .leda = RPC_LED_100_10,
156         .ledb = RPC_LED_TX_RX,
157 };
158 
159 static struct resource smc91x_resources[] = {
160         {
161                 .start = 0x20200300,
162                 .end = 0x20200300 + 16,
163                 .flags = IORESOURCE_MEM,
164         }, {
165                 .start = IRQ_PF0,
166                 .end = IRQ_PF0,
167                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
168         },
169 };
170 static struct platform_device smc91x_device = {
171         .name = "smc91x",
172         .id = 0,
173         .num_resources = ARRAY_SIZE(smc91x_resources),
174         .resource = smc91x_resources,
175         .dev    = {
176                 .platform_data  = &smc91x_info,
177         },
178 };
179 #endif
180 
181 #if IS_ENABLED(CONFIG_SMSC911X)
182 #include <linux/smsc911x.h>
183 
184 static struct resource smsc911x_resources[] = {
185         {
186                 .name = "smsc911x-memory",
187                 .start = 0x20308000,
188                 .end = 0x20308000 + 0xFF,
189                 .flags = IORESOURCE_MEM,
190         }, {
191                 .start = IRQ_PF8,
192                 .end = IRQ_PF8,
193                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
194         },
195 };
196 
197 static struct smsc911x_platform_config smsc911x_config = {
198         .flags = SMSC911X_USE_16BIT,
199         .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
200         .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
201         .phy_interface = PHY_INTERFACE_MODE_MII,
202 };
203 
204 static struct platform_device smsc911x_device = {
205         .name = "smsc911x",
206         .id = 0,
207         .num_resources = ARRAY_SIZE(smsc911x_resources),
208         .resource = smsc911x_resources,
209         .dev = {
210                 .platform_data = &smsc911x_config,
211         },
212 };
213 #endif
214 
215 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
216 #ifdef CONFIG_SERIAL_BFIN_UART0
217 static struct resource bfin_uart0_resources[] = {
218         {
219                 .start = BFIN_UART_THR,
220                 .end = BFIN_UART_GCTL+2,
221                 .flags = IORESOURCE_MEM,
222         },
223         {
224                 .start = IRQ_UART0_TX,
225                 .end = IRQ_UART0_TX,
226                 .flags = IORESOURCE_IRQ,
227         },
228         {
229                 .start = IRQ_UART0_RX,
230                 .end = IRQ_UART0_RX,
231                 .flags = IORESOURCE_IRQ,
232         },
233         {
234                 .start = IRQ_UART0_ERROR,
235                 .end = IRQ_UART0_ERROR,
236                 .flags = IORESOURCE_IRQ,
237         },
238         {
239                 .start = CH_UART0_TX,
240                 .end = CH_UART0_TX,
241                 .flags = IORESOURCE_DMA,
242         },
243         {
244                 .start = CH_UART0_RX,
245                 .end = CH_UART0_RX,
246                 .flags = IORESOURCE_DMA,
247         },
248 };
249 
250 static unsigned short bfin_uart0_peripherals[] = {
251         P_UART0_TX, P_UART0_RX, 0
252 };
253 
254 static struct platform_device bfin_uart0_device = {
255         .name = "bfin-uart",
256         .id = 0,
257         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
258         .resource = bfin_uart0_resources,
259         .dev = {
260                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
261         },
262 };
263 #endif
264 #endif
265 
266 #if IS_ENABLED(CONFIG_BFIN_SIR)
267 #ifdef CONFIG_BFIN_SIR0
268 static struct resource bfin_sir0_resources[] = {
269         {
270                 .start = 0xFFC00400,
271                 .end = 0xFFC004FF,
272                 .flags = IORESOURCE_MEM,
273         },
274         {
275                 .start = IRQ_UART0_RX,
276                 .end = IRQ_UART0_RX+1,
277                 .flags = IORESOURCE_IRQ,
278         },
279         {
280                 .start = CH_UART0_RX,
281                 .end = CH_UART0_RX+1,
282                 .flags = IORESOURCE_DMA,
283         },
284 };
285 
286 static struct platform_device bfin_sir0_device = {
287         .name = "bfin_sir",
288         .id = 0,
289         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
290         .resource = bfin_sir0_resources,
291 };
292 #endif
293 #endif
294 
295 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
296 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
297 static struct resource bfin_sport0_uart_resources[] = {
298         {
299                 .start = SPORT0_TCR1,
300                 .end = SPORT0_MRCS3+4,
301                 .flags = IORESOURCE_MEM,
302         },
303         {
304                 .start = IRQ_SPORT0_RX,
305                 .end = IRQ_SPORT0_RX+1,
306                 .flags = IORESOURCE_IRQ,
307         },
308         {
309                 .start = IRQ_SPORT0_ERROR,
310                 .end = IRQ_SPORT0_ERROR,
311                 .flags = IORESOURCE_IRQ,
312         },
313 };
314 
315 static unsigned short bfin_sport0_peripherals[] = {
316         P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
317         P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
318 };
319 
320 static struct platform_device bfin_sport0_uart_device = {
321         .name = "bfin-sport-uart",
322         .id = 0,
323         .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
324         .resource = bfin_sport0_uart_resources,
325         .dev = {
326                 .platform_data = &bfin_sport0_peripherals, /* Passed to driver */
327         },
328 };
329 #endif
330 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
331 static struct resource bfin_sport1_uart_resources[] = {
332         {
333                 .start = SPORT1_TCR1,
334                 .end = SPORT1_MRCS3+4,
335                 .flags = IORESOURCE_MEM,
336         },
337         {
338                 .start = IRQ_SPORT1_RX,
339                 .end = IRQ_SPORT1_RX+1,
340                 .flags = IORESOURCE_IRQ,
341         },
342         {
343                 .start = IRQ_SPORT1_ERROR,
344                 .end = IRQ_SPORT1_ERROR,
345                 .flags = IORESOURCE_IRQ,
346         },
347 };
348 
349 static unsigned short bfin_sport1_peripherals[] = {
350         P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
351         P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
352 };
353 
354 static struct platform_device bfin_sport1_uart_device = {
355         .name = "bfin-sport-uart",
356         .id = 1,
357         .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
358         .resource = bfin_sport1_uart_resources,
359         .dev = {
360                 .platform_data = &bfin_sport1_peripherals, /* Passed to driver */
361         },
362 };
363 #endif
364 #endif
365 
366 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
367 static struct resource isp1362_hcd_resources[] = {
368         {
369                 .start = 0x20308000,
370                 .end = 0x20308000,
371                 .flags = IORESOURCE_MEM,
372         }, {
373                 .start = 0x20308004,
374                 .end = 0x20308004,
375                 .flags = IORESOURCE_MEM,
376         }, {
377                 .start = IRQ_PF4,
378                 .end = IRQ_PF4,
379                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
380         },
381 };
382 
383 static struct isp1362_platform_data isp1362_priv = {
384         .sel15Kres = 1,
385         .clknotstop = 0,
386         .oc_enable = 0,
387         .int_act_high = 0,
388         .int_edge_triggered = 0,
389         .remote_wakeup_connected = 0,
390         .no_power_switching = 1,
391         .power_switching_mode = 0,
392 };
393 
394 static struct platform_device isp1362_hcd_device = {
395         .name = "isp1362-hcd",
396         .id = 0,
397         .dev = {
398                 .platform_data = &isp1362_priv,
399         },
400         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
401         .resource = isp1362_hcd_resources,
402 };
403 #endif
404 
405 
406 #if IS_ENABLED(CONFIG_USB_NET2272)
407 static struct resource net2272_bfin_resources[] = {
408         {
409                 .start = 0x20300000,
410                 .end = 0x20300000 + 0x100,
411                 .flags = IORESOURCE_MEM,
412         }, {
413                 .start = IRQ_PF6,
414                 .end = IRQ_PF6,
415                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
416         },
417 };
418 
419 static struct platform_device net2272_bfin_device = {
420         .name = "net2272",
421         .id = -1,
422         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
423         .resource = net2272_bfin_resources,
424 };
425 #endif
426 
427 
428 
429 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
430 static struct mtd_partition para_partitions[] = {
431         {
432                 .name       = "bootloader(nor)",
433                 .size       = 0x40000,
434                 .offset     = 0,
435         }, {
436                 .name       = "linux+rootfs(nor)",
437                 .size       = MTDPART_SIZ_FULL,
438                 .offset     = MTDPART_OFS_APPEND,
439         },
440 };
441 
442 static struct physmap_flash_data para_flash_data = {
443         .width      = 2,
444         .parts      = para_partitions,
445         .nr_parts   = ARRAY_SIZE(para_partitions),
446 };
447 
448 static struct resource para_flash_resource = {
449         .start = 0x20000000,
450         .end   = 0x201fffff,
451         .flags = IORESOURCE_MEM,
452 };
453 
454 static struct platform_device para_flash_device = {
455         .name          = "physmap-flash",
456         .id            = 0,
457         .dev = {
458                 .platform_data = &para_flash_data,
459         },
460         .num_resources = 1,
461         .resource      = &para_flash_resource,
462 };
463 #endif
464 
465 
466 
467 static const unsigned int cclk_vlev_datasheet[] =
468 {
469         VRPAIR(VLEV_085, 250000000),
470         VRPAIR(VLEV_090, 376000000),
471         VRPAIR(VLEV_095, 426000000),
472         VRPAIR(VLEV_100, 426000000),
473         VRPAIR(VLEV_105, 476000000),
474         VRPAIR(VLEV_110, 476000000),
475         VRPAIR(VLEV_115, 476000000),
476         VRPAIR(VLEV_120, 600000000),
477         VRPAIR(VLEV_125, 600000000),
478         VRPAIR(VLEV_130, 600000000),
479 };
480 
481 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
482         .tuple_tab = cclk_vlev_datasheet,
483         .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
484         .vr_settling_time = 25 /* us */,
485 };
486 
487 static struct platform_device bfin_dpmc = {
488         .name = "bfin dpmc",
489         .dev = {
490                 .platform_data = &bfin_dmpc_vreg_data,
491         },
492 };
493 
494 static struct platform_device *cm_bf533_devices[] __initdata = {
495 
496         &bfin_dpmc,
497 
498 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
499 #ifdef CONFIG_SERIAL_BFIN_UART0
500         &bfin_uart0_device,
501 #endif
502 #endif
503 
504 #if IS_ENABLED(CONFIG_BFIN_SIR)
505 #ifdef CONFIG_BFIN_SIR0
506         &bfin_sir0_device,
507 #endif
508 #endif
509 
510 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
511 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
512         &bfin_sport0_uart_device,
513 #endif
514 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
515         &bfin_sport1_uart_device,
516 #endif
517 #endif
518 
519 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
520         &rtc_device,
521 #endif
522 
523 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
524         &isp1362_hcd_device,
525 #endif
526 
527 #if IS_ENABLED(CONFIG_SMC91X)
528         &smc91x_device,
529 #endif
530 
531 #if IS_ENABLED(CONFIG_SMSC911X)
532         &smsc911x_device,
533 #endif
534 
535 #if IS_ENABLED(CONFIG_USB_NET2272)
536         &net2272_bfin_device,
537 #endif
538 
539 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
540         &bfin_spi0_device,
541 #endif
542 
543 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
544         &para_flash_device,
545 #endif
546 };
547 
548 static int __init cm_bf533_init(void)
549 {
550         printk(KERN_INFO "%s(): registering device resources\n", __func__);
551         platform_add_devices(cm_bf533_devices, ARRAY_SIZE(cm_bf533_devices));
552 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
553         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
554 #endif
555         return 0;
556 }
557 
558 arch_initcall(cm_bf533_init);
559 
560 static struct platform_device *cm_bf533_early_devices[] __initdata = {
561 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
562 #ifdef CONFIG_SERIAL_BFIN_UART0
563         &bfin_uart0_device,
564 #endif
565 #endif
566 
567 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
568 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
569         &bfin_sport0_uart_device,
570 #endif
571 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
572         &bfin_sport1_uart_device,
573 #endif
574 #endif
575 };
576 
577 void __init native_machine_early_platform_add_devices(void)
578 {
579         printk(KERN_INFO "register early platform devices\n");
580         early_platform_add_devices(cm_bf533_early_devices,
581                 ARRAY_SIZE(cm_bf533_early_devices));
582 }
583 

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