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ezkit.c
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1 /*
2  * Copyright 2004-2009 Analog Devices Inc.
3  * 2005 National ICT Australia (NICTA)
4  * Aidan Williams <[email protected]>
5  *
6  * Licensed under the GPL-2 or later.
7  */
8 
9 #include <linux/device.h>
10 #include <linux/platform_device.h>
11 #include <linux/mtd/mtd.h>
12 #include <linux/mtd/partitions.h>
13 #include <linux/mtd/plat-ram.h>
14 #include <linux/mtd/physmap.h>
15 #include <linux/spi/spi.h>
16 #include <linux/spi/flash.h>
17 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
18 #include <linux/usb/isp1362.h>
19 #endif
20 #include <linux/irq.h>
21 #include <linux/i2c.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[] = "ADI BF533-EZKIT";
31 
32 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
33 static struct platform_device rtc_device = {
34  .name = "rtc-bfin",
35  .id = -1,
36 };
37 #endif
38 
39 /*
40  * USB-LAN EzExtender board
41  * Driver needs to know address, irq and flag pin.
42  */
43 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
44 #include <linux/smc91x.h>
45 
46 static struct smc91x_platdata smc91x_info = {
47  .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
48  .leda = RPC_LED_100_10,
49  .ledb = RPC_LED_TX_RX,
50 };
51 
52 static struct resource smc91x_resources[] = {
53  {
54  .name = "smc91x-regs",
55  .start = 0x20310300,
56  .end = 0x20310300 + 16,
57  .flags = IORESOURCE_MEM,
58  }, {
59  .start = IRQ_PF9,
60  .end = IRQ_PF9,
61  .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
62  },
63 };
64 static struct platform_device smc91x_device = {
65  .name = "smc91x",
66  .id = 0,
67  .num_resources = ARRAY_SIZE(smc91x_resources),
68  .resource = smc91x_resources,
69  .dev = {
70  .platform_data = &smc91x_info,
71  },
72 };
73 #endif
74 
75 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
76 static struct mtd_partition ezkit_partitions_a[] = {
77  {
78  .name = "bootloader(nor a)",
79  .size = 0x40000,
80  .offset = 0,
81  }, {
82  .name = "linux kernel(nor a)",
83  .size = MTDPART_SIZ_FULL,
84  .offset = MTDPART_OFS_APPEND,
85  },
86 };
87 
88 static struct physmap_flash_data ezkit_flash_data_a = {
89  .width = 2,
90  .parts = ezkit_partitions_a,
91  .nr_parts = ARRAY_SIZE(ezkit_partitions_a),
92 };
93 
94 static struct resource ezkit_flash_resource_a = {
95  .start = 0x20000000,
96  .end = 0x200fffff,
97  .flags = IORESOURCE_MEM,
98 };
99 
100 static struct platform_device ezkit_flash_device_a = {
101  .name = "physmap-flash",
102  .id = 0,
103  .dev = {
104  .platform_data = &ezkit_flash_data_a,
105  },
106  .num_resources = 1,
107  .resource = &ezkit_flash_resource_a,
108 };
109 
110 static struct mtd_partition ezkit_partitions_b[] = {
111  {
112  .name = "file system(nor b)",
113  .size = MTDPART_SIZ_FULL,
114  .offset = MTDPART_OFS_APPEND,
115  },
116 };
117 
118 static struct physmap_flash_data ezkit_flash_data_b = {
119  .width = 2,
120  .parts = ezkit_partitions_b,
121  .nr_parts = ARRAY_SIZE(ezkit_partitions_b),
122 };
123 
124 static struct resource ezkit_flash_resource_b = {
125  .start = 0x20100000,
126  .end = 0x201fffff,
127  .flags = IORESOURCE_MEM,
128 };
129 
130 static struct platform_device ezkit_flash_device_b = {
131  .name = "physmap-flash",
132  .id = 4,
133  .dev = {
134  .platform_data = &ezkit_flash_data_b,
135  },
136  .num_resources = 1,
137  .resource = &ezkit_flash_resource_b,
138 };
139 #endif
140 
141 #if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
142 static struct platdata_mtd_ram sram_data_a = {
143  .mapname = "Flash A SRAM",
144  .bankwidth = 2,
145 };
146 
147 static struct resource sram_resource_a = {
148  .start = 0x20240000,
149  .end = 0x2024ffff,
150  .flags = IORESOURCE_MEM,
151 };
152 
153 static struct platform_device sram_device_a = {
154  .name = "mtd-ram",
155  .id = 8,
156  .dev = {
157  .platform_data = &sram_data_a,
158  },
159  .num_resources = 1,
160  .resource = &sram_resource_a,
161 };
162 
163 static struct platdata_mtd_ram sram_data_b = {
164  .mapname = "Flash B SRAM",
165  .bankwidth = 2,
166 };
167 
168 static struct resource sram_resource_b = {
169  .start = 0x202c0000,
170  .end = 0x202cffff,
171  .flags = IORESOURCE_MEM,
172 };
173 
174 static struct platform_device sram_device_b = {
175  .name = "mtd-ram",
176  .id = 9,
177  .dev = {
178  .platform_data = &sram_data_b,
179  },
180  .num_resources = 1,
181  .resource = &sram_resource_b,
182 };
183 #endif
184 
185 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
186 static struct mtd_partition bfin_spi_flash_partitions[] = {
187  {
188  .name = "bootloader(spi)",
189  .size = 0x00020000,
190  .offset = 0,
191  .mask_flags = MTD_CAP_ROM
192  }, {
193  .name = "linux kernel(spi)",
194  .size = 0xe0000,
195  .offset = MTDPART_OFS_APPEND,
196  }, {
197  .name = "file system(spi)",
198  .size = MTDPART_SIZ_FULL,
199  .offset = MTDPART_OFS_APPEND,
200  }
201 };
202 
203 static struct flash_platform_data bfin_spi_flash_data = {
204  .name = "m25p80",
205  .parts = bfin_spi_flash_partitions,
206  .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
207  .type = "m25p64",
208 };
209 
210 /* SPI flash chip (m25p64) */
211 static struct bfin5xx_spi_chip spi_flash_chip_info = {
212  .enable_dma = 0, /* use dma transfer with this chip*/
213 };
214 #endif
215 
216 static struct spi_board_info bfin_spi_board_info[] __initdata = {
217 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
218  {
219  /* the modalias must be the same as spi device driver name */
220  .modalias = "m25p80", /* Name of spi_driver for this device */
221  .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
222  .bus_num = 0, /* Framework bus number */
223  .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
224  .platform_data = &bfin_spi_flash_data,
225  .controller_data = &spi_flash_chip_info,
226  .mode = SPI_MODE_3,
227  },
228 #endif
229 
230 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
231  {
232  .modalias = "ad183x",
233  .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
234  .bus_num = 0,
235  .chip_select = 4,
236  },
237 #endif
238 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
239  {
240  .modalias = "spidev",
241  .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
242  .bus_num = 0,
243  .chip_select = 1,
244  },
245 #endif
246 };
247 
248 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
249 /* SPI (0) */
250 static struct resource bfin_spi0_resource[] = {
251  [0] = {
252  .start = SPI0_REGBASE,
253  .end = SPI0_REGBASE + 0xFF,
254  .flags = IORESOURCE_MEM,
255  },
256  [1] = {
257  .start = CH_SPI,
258  .end = CH_SPI,
259  .flags = IORESOURCE_DMA,
260  },
261  [2] = {
262  .start = IRQ_SPI,
263  .end = IRQ_SPI,
264  .flags = IORESOURCE_IRQ,
265  }
266 };
267 
268 /* SPI controller data */
269 static struct bfin5xx_spi_master bfin_spi0_info = {
270  .num_chipselect = 8,
271  .enable_dma = 1, /* master has the ability to do dma transfer */
272  .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
273 };
274 
275 static struct platform_device bfin_spi0_device = {
276  .name = "bfin-spi",
277  .id = 0, /* Bus number */
278  .num_resources = ARRAY_SIZE(bfin_spi0_resource),
279  .resource = bfin_spi0_resource,
280  .dev = {
281  .platform_data = &bfin_spi0_info, /* Passed to driver */
282  },
283 };
284 #endif /* spi master and devices */
285 
286 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
287 #ifdef CONFIG_SERIAL_BFIN_UART0
288 static struct resource bfin_uart0_resources[] = {
289  {
290  .start = BFIN_UART_THR,
291  .end = BFIN_UART_GCTL+2,
292  .flags = IORESOURCE_MEM,
293  },
294  {
295  .start = IRQ_UART0_TX,
296  .end = IRQ_UART0_TX,
297  .flags = IORESOURCE_IRQ,
298  },
299  {
300  .start = IRQ_UART0_RX,
301  .end = IRQ_UART0_RX,
302  .flags = IORESOURCE_IRQ,
303  },
304  {
305  .start = IRQ_UART0_ERROR,
306  .end = IRQ_UART0_ERROR,
307  .flags = IORESOURCE_IRQ,
308  },
309  {
310  .start = CH_UART0_TX,
311  .end = CH_UART0_TX,
312  .flags = IORESOURCE_DMA,
313  },
314  {
315  .start = CH_UART0_RX,
316  .end = CH_UART0_RX,
317  .flags = IORESOURCE_DMA,
318  },
319 };
320 
321 static unsigned short bfin_uart0_peripherals[] = {
322  P_UART0_TX, P_UART0_RX, 0
323 };
324 
325 static struct platform_device bfin_uart0_device = {
326  .name = "bfin-uart",
327  .id = 0,
328  .num_resources = ARRAY_SIZE(bfin_uart0_resources),
329  .resource = bfin_uart0_resources,
330  .dev = {
331  .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
332  },
333 };
334 #endif
335 #endif
336 
337 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
338 #ifdef CONFIG_BFIN_SIR0
339 static struct resource bfin_sir0_resources[] = {
340  {
341  .start = 0xFFC00400,
342  .end = 0xFFC004FF,
343  .flags = IORESOURCE_MEM,
344  },
345  {
346  .start = IRQ_UART0_RX,
347  .end = IRQ_UART0_RX+1,
348  .flags = IORESOURCE_IRQ,
349  },
350  {
351  .start = CH_UART0_RX,
352  .end = CH_UART0_RX+1,
353  .flags = IORESOURCE_DMA,
354  },
355 };
356 
357 static struct platform_device bfin_sir0_device = {
358  .name = "bfin_sir",
359  .id = 0,
360  .num_resources = ARRAY_SIZE(bfin_sir0_resources),
361  .resource = bfin_sir0_resources,
362 };
363 #endif
364 #endif
365 
366 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
367 #include <linux/input.h>
368 #include <linux/gpio_keys.h>
369 
370 static struct gpio_keys_button bfin_gpio_keys_table[] = {
371  {BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"},
372  {BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"},
373  {BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"},
374  {BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"},
375 };
376 
377 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
378  .buttons = bfin_gpio_keys_table,
379  .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
380 };
381 
382 static struct platform_device bfin_device_gpiokeys = {
383  .name = "gpio-keys",
384  .dev = {
385  .platform_data = &bfin_gpio_keys_data,
386  },
387 };
388 #endif
389 
390 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
391 #include <linux/i2c-gpio.h>
392 
393 static struct i2c_gpio_platform_data i2c_gpio_data = {
394  .sda_pin = GPIO_PF1,
395  .scl_pin = GPIO_PF0,
396  .sda_is_open_drain = 0,
397  .scl_is_open_drain = 0,
398  .udelay = 40,
399 };
400 
401 static struct platform_device i2c_gpio_device = {
402  .name = "i2c-gpio",
403  .id = 0,
404  .dev = {
405  .platform_data = &i2c_gpio_data,
406  },
407 };
408 #endif
409 
410 static const unsigned int cclk_vlev_datasheet[] =
411 {
412  VRPAIR(VLEV_085, 250000000),
413  VRPAIR(VLEV_090, 376000000),
414  VRPAIR(VLEV_095, 426000000),
415  VRPAIR(VLEV_100, 426000000),
416  VRPAIR(VLEV_105, 476000000),
417  VRPAIR(VLEV_110, 476000000),
418  VRPAIR(VLEV_115, 476000000),
419  VRPAIR(VLEV_120, 600000000),
420  VRPAIR(VLEV_125, 600000000),
421  VRPAIR(VLEV_130, 600000000),
422 };
423 
424 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
425  .tuple_tab = cclk_vlev_datasheet,
426  .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
427  .vr_settling_time = 25 /* us */,
428 };
429 
430 static struct platform_device bfin_dpmc = {
431  .name = "bfin dpmc",
432  .dev = {
433  .platform_data = &bfin_dmpc_vreg_data,
434  },
435 };
436 
437 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
438 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
439  {
440  I2C_BOARD_INFO("bfin-adv7393", 0x2B),
441  },
442 #endif
443 };
444 
445 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
446 static struct platform_device bfin_i2s = {
447  .name = "bfin-i2s",
448  .id = CONFIG_SND_BF5XX_SPORT_NUM,
449  /* TODO: add platform data here */
450 };
451 #endif
452 
453 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
454 static struct platform_device bfin_tdm = {
455  .name = "bfin-tdm",
456  .id = CONFIG_SND_BF5XX_SPORT_NUM,
457  /* TODO: add platform data here */
458 };
459 #endif
460 
461 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
462 static struct platform_device bfin_ac97 = {
463  .name = "bfin-ac97",
464  .id = CONFIG_SND_BF5XX_SPORT_NUM,
465  /* TODO: add platform data here */
466 };
467 #endif
468 
469 static struct platform_device *ezkit_devices[] __initdata = {
470 
471  &bfin_dpmc,
472 
473 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
474  &ezkit_flash_device_a,
475  &ezkit_flash_device_b,
476 #endif
477 
478 #if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
479  &sram_device_a,
480  &sram_device_b,
481 #endif
482 
483 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
484  &smc91x_device,
485 #endif
486 
487 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
488  &bfin_spi0_device,
489 #endif
490 
491 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
492  &rtc_device,
493 #endif
494 
495 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
496 #ifdef CONFIG_SERIAL_BFIN_UART0
497  &bfin_uart0_device,
498 #endif
499 #endif
500 
501 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
502 #ifdef CONFIG_BFIN_SIR0
503  &bfin_sir0_device,
504 #endif
505 #endif
506 
507 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
508  &bfin_device_gpiokeys,
509 #endif
510 
511 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
512  &i2c_gpio_device,
513 #endif
514 
515 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
516  &bfin_i2s,
517 #endif
518 
519 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
520  &bfin_tdm,
521 #endif
522 
523 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
524  &bfin_ac97,
525 #endif
526 };
527 
528 static int __init ezkit_init(void)
529 {
530  printk(KERN_INFO "%s(): registering device resources\n", __func__);
531  platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
532  spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
533  i2c_register_board_info(0, bfin_i2c_board_info,
534  ARRAY_SIZE(bfin_i2c_board_info));
535  return 0;
536 }
537 
538 arch_initcall(ezkit_init);
539 
540 static struct platform_device *ezkit_early_devices[] __initdata = {
541 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
542 #ifdef CONFIG_SERIAL_BFIN_UART0
543  &bfin_uart0_device,
544 #endif
545 #endif
546 };
547 
548 void __init native_machine_early_platform_add_devices(void)
549 {
550  printk(KERN_INFO "register early platform devices\n");
551  early_platform_add_devices(ezkit_early_devices,
552  ARRAY_SIZE(ezkit_early_devices));
553 }
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