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TOMOYO Linux Cross Reference
Linux/arch/blackfin/mach-bf533/boards/H8606.c

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  1 /*
  2  * Copyright 2004-2009 Analog Devices Inc.
  3  *           2007-2008 HV Sistemas S.L.
  4  *                      Javier Herrero <jherrero@hvsistemas.es>
  5  *                2005 National ICT Australia (NICTA)
  6  *                      Aidan Williams <aidan@nicta.com.au>
  7  *
  8  * Licensed under the GPL-2 or later.
  9  */
 10 
 11 #include <linux/device.h>
 12 #include <linux/platform_device.h>
 13 #include <linux/mtd/mtd.h>
 14 #include <linux/mtd/partitions.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 
 22 #include <asm/dma.h>
 23 #include <asm/bfin5xx_spi.h>
 24 #include <asm/reboot.h>
 25 #include <asm/portmux.h>
 26 
 27 /*
 28  * Name the Board for the /proc/cpuinfo
 29  */
 30 const char bfin_board_name[] = "HV Sistemas H8606";
 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 *  Driver needs to know address, irq and flag pin.
 41  */
 42  #if    defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
 43 static struct resource dm9000_resources[] = {
 44         [0] = {
 45                 .start  = 0x20300000,
 46                 .end    = 0x20300002,
 47                 .flags  = IORESOURCE_MEM,
 48         },
 49         [1] = {
 50                 .start  = 0x20300004,
 51                 .end    = 0x20300006,
 52                 .flags  = IORESOURCE_MEM,
 53         },
 54         [2] = {
 55                 .start  = IRQ_PF10,
 56                 .end    = IRQ_PF10,
 57                 .flags  = (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
 58                            IORESOURCE_IRQ_SHAREABLE),
 59         },
 60 };
 61 
 62 static struct platform_device dm9000_device = {
 63     .id                 = 0,
 64     .name               = "dm9000",
 65     .resource           = dm9000_resources,
 66     .num_resources      = ARRAY_SIZE(dm9000_resources),
 67 };
 68 #endif
 69 
 70 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 71 #include <linux/smc91x.h>
 72 
 73 static struct smc91x_platdata smc91x_info = {
 74         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 75         .leda = RPC_LED_100_10,
 76         .ledb = RPC_LED_TX_RX,
 77 };
 78 
 79 static struct resource smc91x_resources[] = {
 80         {
 81                 .name = "smc91x-regs",
 82                 .start = 0x20300300,
 83                 .end = 0x20300300 + 16,
 84                 .flags = IORESOURCE_MEM,
 85         }, {
 86                 .start = IRQ_PROG_INTB,
 87                 .end = IRQ_PROG_INTB,
 88                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 89         }, {
 90                 .start = IRQ_PF7,
 91                 .end = IRQ_PF7,
 92                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 93         },
 94 };
 95 
 96 static struct platform_device smc91x_device = {
 97         .name = "smc91x",
 98         .id = 0,
 99         .num_resources = ARRAY_SIZE(smc91x_resources),
100         .resource = smc91x_resources,
101         .dev    = {
102                 .platform_data  = &smc91x_info,
103         },
104 };
105 #endif
106 
107 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
108 static struct resource net2272_bfin_resources[] = {
109         {
110                 .start = 0x20300000,
111                 .end = 0x20300000 + 0x100,
112                 .flags = IORESOURCE_MEM,
113         }, {
114                 .start = IRQ_PF10,
115                 .end = IRQ_PF10,
116                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
117         },
118 };
119 
120 static struct platform_device net2272_bfin_device = {
121         .name = "net2272",
122         .id = -1,
123         .num_resources = ARRAY_SIZE(net2272_bfin_resources),
124         .resource = net2272_bfin_resources,
125 };
126 #endif
127 
128 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
129 /* all SPI peripherals info goes here */
130 
131 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
132 static struct mtd_partition bfin_spi_flash_partitions[] = {
133         {
134                 .name = "bootloader (spi)",
135                 .size = 0x40000,
136                 .offset = 0,
137                 .mask_flags = MTD_CAP_ROM
138         }, {
139                 .name = "fpga (spi)",
140                 .size =   0x30000,
141                 .offset = 0x40000
142         }, {
143                 .name = "linux kernel (spi)",
144                 .size =   0x150000,
145                 .offset =  0x70000
146         }, {
147                 .name = "jffs2 root file system (spi)",
148                 .size =   0x640000,
149                 .offset = 0x1c0000,
150         }
151 };
152 
153 static struct flash_platform_data bfin_spi_flash_data = {
154         .name = "m25p80",
155         .parts = bfin_spi_flash_partitions,
156         .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
157         .type = "m25p64",
158 };
159 
160 /* SPI flash chip (m25p64) */
161 static struct bfin5xx_spi_chip spi_flash_chip_info = {
162         .enable_dma = 0,         /* use dma transfer with this chip*/
163 };
164 #endif
165 
166 /* Notice: for blackfin, the speed_hz is the value of register
167  * SPI_BAUD, not the real baudrate */
168 static struct spi_board_info bfin_spi_board_info[] __initdata = {
169 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
170         {
171                 /* the modalias must be the same as spi device driver name */
172                 .modalias = "m25p80", /* Name of spi_driver for this device */
173                 /* this value is the baudrate divisor */
174                 .max_speed_hz = 50000000, /* actual baudrate is SCLK/(2xspeed_hz) */
175                 .bus_num = 0, /* Framework bus number */
176                 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
177                 .platform_data = &bfin_spi_flash_data,
178                 .controller_data = &spi_flash_chip_info,
179                 .mode = SPI_MODE_3,
180         },
181 #endif
182 
183 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
184         {
185                 .modalias = "ad183x",
186                 .max_speed_hz = 16,
187                 .bus_num = 1,
188                 .chip_select = 4,
189         },
190 #endif
191 
192 };
193 
194 /* SPI (0) */
195 static struct resource bfin_spi0_resource[] = {
196         [0] = {
197                 .start = SPI0_REGBASE,
198                 .end   = SPI0_REGBASE + 0xFF,
199                 .flags = IORESOURCE_MEM,
200         },
201         [1] = {
202                 .start = CH_SPI,
203                 .end   = CH_SPI,
204                 .flags = IORESOURCE_DMA,
205         },
206         [2] = {
207                 .start = IRQ_SPI,
208                 .end   = IRQ_SPI,
209                 .flags = IORESOURCE_IRQ,
210         }
211 };
212 
213 
214 /* SPI controller data */
215 static struct bfin5xx_spi_master bfin_spi0_info = {
216         .num_chipselect = 8,
217         .enable_dma = 1,  /* master has the ability to do dma transfer */
218         .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
219 };
220 
221 static struct platform_device bfin_spi0_device = {
222         .name = "bfin-spi",
223         .id = 0, /* Bus number */
224         .num_resources = ARRAY_SIZE(bfin_spi0_resource),
225         .resource = bfin_spi0_resource,
226         .dev = {
227                 .platform_data = &bfin_spi0_info, /* Passed to driver */
228         },
229 };
230 #endif  /* spi master and devices */
231 
232 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
233 #ifdef CONFIG_SERIAL_BFIN_UART0
234 static struct resource bfin_uart0_resources[] = {
235         {
236                 .start = BFIN_UART_THR,
237                 .end = BFIN_UART_GCTL+2,
238                 .flags = IORESOURCE_MEM,
239         },
240         {
241                 .start = IRQ_UART0_TX,
242                 .end = IRQ_UART0_TX,
243                 .flags = IORESOURCE_IRQ,
244         },
245         {
246                 .start = IRQ_UART0_RX,
247                 .end = IRQ_UART0_RX,
248                 .flags = IORESOURCE_IRQ,
249         },
250         {
251                 .start = IRQ_UART0_ERROR,
252                 .end = IRQ_UART0_ERROR,
253                 .flags = IORESOURCE_IRQ,
254         },
255         {
256                 .start = CH_UART0_TX,
257                 .end = CH_UART0_TX,
258                 .flags = IORESOURCE_DMA,
259         },
260         {
261                 .start = CH_UART0_RX,
262                 .end = CH_UART0_RX,
263                 .flags = IORESOURCE_DMA,
264         },
265 };
266 
267 static unsigned short bfin_uart0_peripherals[] = {
268         P_UART0_TX, P_UART0_RX, 0
269 };
270 
271 static struct platform_device bfin_uart0_device = {
272         .name = "bfin-uart",
273         .id = 0,
274         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
275         .resource = bfin_uart0_resources,
276         .dev = {
277                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
278         },
279 };
280 #endif
281 #endif
282 
283 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
284 #ifdef CONFIG_BFIN_SIR0
285 static struct resource bfin_sir0_resources[] = {
286         {
287                 .start = 0xFFC00400,
288                 .end = 0xFFC004FF,
289                 .flags = IORESOURCE_MEM,
290         },
291         {
292                 .start = IRQ_UART0_RX,
293                 .end = IRQ_UART0_RX+1,
294                 .flags = IORESOURCE_IRQ,
295         },
296         {
297                 .start = CH_UART0_RX,
298                 .end = CH_UART0_RX+1,
299                 .flags = IORESOURCE_DMA,
300         },
301 };
302 
303 static struct platform_device bfin_sir0_device = {
304         .name = "bfin_sir",
305         .id = 0,
306         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
307         .resource = bfin_sir0_resources,
308 };
309 #endif
310 #endif
311 
312 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
313 
314 #include <linux/serial_8250.h>
315 #include <linux/serial.h>
316 
317 /*
318  * Configuration for two 16550 UARTS in FPGA at addresses 0x20200000 and 0x202000010.
319  * running at half system clock, both with interrupt output or-ed to PF8. Change to
320  * suit different FPGA configuration, or to suit real 16550 UARTS connected to the bus
321  */
322 
323 static struct plat_serial8250_port serial8250_platform_data [] = {
324         {
325                 .membase = (void *)0x20200000,
326                 .mapbase = 0x20200000,
327                 .irq = IRQ_PF8,
328                 .irqflags = IRQF_TRIGGER_HIGH,
329                 .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE,
330                 .iotype = UPIO_MEM,
331                 .regshift = 1,
332                 .uartclk = 66666667,
333         }, {
334                 .membase = (void *)0x20200010,
335                 .mapbase = 0x20200010,
336                 .irq = IRQ_PF8,
337                 .irqflags = IRQF_TRIGGER_HIGH,
338                 .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE,
339                 .iotype = UPIO_MEM,
340                 .regshift = 1,
341                 .uartclk = 66666667,
342         }, {
343         }
344 };
345 
346 static struct platform_device serial8250_device = {
347         .id             = PLAT8250_DEV_PLATFORM,
348         .name           = "serial8250",
349         .dev            = {
350                 .platform_data = serial8250_platform_data,
351         },
352 };
353 
354 #endif
355 
356 #if defined(CONFIG_KEYBOARD_OPENCORES) || defined(CONFIG_KEYBOARD_OPENCORES_MODULE)
357 
358 /*
359  * Configuration for one OpenCores keyboard controller in FPGA at address 0x20200030,
360  * interrupt output wired to PF9. Change to suit different FPGA configuration
361  */
362 
363 static struct resource opencores_kbd_resources[] = {
364         [0] = {
365                 .start  = 0x20200030,
366                 .end    = 0x20300030 + 2,
367                 .flags  = IORESOURCE_MEM,
368         },
369         [1] = {
370                 .start  = IRQ_PF9,
371                 .end    = IRQ_PF9,
372                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
373         },
374 };
375 
376 static struct platform_device opencores_kbd_device = {
377         .id             = -1,
378         .name           = "opencores-kbd",
379         .resource       = opencores_kbd_resources,
380         .num_resources  = ARRAY_SIZE(opencores_kbd_resources),
381 };
382 #endif
383 
384 static struct platform_device *h8606_devices[] __initdata = {
385 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
386         &rtc_device,
387 #endif
388 
389 #if     defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
390         &dm9000_device,
391 #endif
392 
393 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
394         &smc91x_device,
395 #endif
396 
397 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
398         &net2272_bfin_device,
399 #endif
400 
401 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
402         &bfin_spi0_device,
403 #endif
404 
405 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
406 #ifdef CONFIG_SERIAL_BFIN_UART0
407         &bfin_uart0_device,
408 #endif
409 #endif
410 
411 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
412         &serial8250_device,
413 #endif
414 
415 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
416 #ifdef CONFIG_BFIN_SIR0
417         &bfin_sir0_device,
418 #endif
419 #endif
420 
421 #if defined(CONFIG_KEYBOARD_OPENCORES) || defined(CONFIG_KEYBOARD_OPENCORES_MODULE)
422         &opencores_kbd_device,
423 #endif
424 };
425 
426 static int __init H8606_init(void)
427 {
428         printk(KERN_INFO "HV Sistemas H8606 board support by http://www.hvsistemas.com\n");
429         printk(KERN_INFO "%s(): registering device resources\n", __func__);
430         platform_add_devices(h8606_devices, ARRAY_SIZE(h8606_devices));
431 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
432         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
433 #endif
434         return 0;
435 }
436 
437 arch_initcall(H8606_init);
438 
439 static struct platform_device *H8606_early_devices[] __initdata = {
440 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
441 #ifdef CONFIG_SERIAL_BFIN_UART0
442         &bfin_uart0_device,
443 #endif
444 #endif
445 };
446 
447 void __init native_machine_early_platform_add_devices(void)
448 {
449         printk(KERN_INFO "register early platform devices\n");
450         early_platform_add_devices(H8606_early_devices,
451                 ARRAY_SIZE(H8606_early_devices));
452 }
453 

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