xen-gntalloc: signedness bug in add_grefs()
[pandora-kernel.git] / arch / blackfin / mach-bf533 / boards / H8606.c
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_BFIN) || defined(CONFIG_SPI_BFIN_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_RX,
242                 .end = IRQ_UART0_RX + 1,
243                 .flags = IORESOURCE_IRQ,
244         },
245         {
246                 .start = IRQ_UART0_ERROR,
247                 .end = IRQ_UART0_ERROR,
248                 .flags = IORESOURCE_IRQ,
249         },
250         {
251                 .start = CH_UART0_TX,
252                 .end = CH_UART0_TX,
253                 .flags = IORESOURCE_DMA,
254         },
255         {
256                 .start = CH_UART0_RX,
257                 .end = CH_UART0_RX,
258                 .flags = IORESOURCE_DMA,
259         },
260 };
261
262 static unsigned short bfin_uart0_peripherals[] = {
263         P_UART0_TX, P_UART0_RX, 0
264 };
265
266 static struct platform_device bfin_uart0_device = {
267         .name = "bfin-uart",
268         .id = 0,
269         .num_resources = ARRAY_SIZE(bfin_uart0_resources),
270         .resource = bfin_uart0_resources,
271         .dev = {
272                 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
273         },
274 };
275 #endif
276 #endif
277
278 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
279 #ifdef CONFIG_BFIN_SIR0
280 static struct resource bfin_sir0_resources[] = {
281         {
282                 .start = 0xFFC00400,
283                 .end = 0xFFC004FF,
284                 .flags = IORESOURCE_MEM,
285         },
286         {
287                 .start = IRQ_UART0_RX,
288                 .end = IRQ_UART0_RX+1,
289                 .flags = IORESOURCE_IRQ,
290         },
291         {
292                 .start = CH_UART0_RX,
293                 .end = CH_UART0_RX+1,
294                 .flags = IORESOURCE_DMA,
295         },
296 };
297
298 static struct platform_device bfin_sir0_device = {
299         .name = "bfin_sir",
300         .id = 0,
301         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
302         .resource = bfin_sir0_resources,
303 };
304 #endif
305 #endif
306
307 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
308
309 #include <linux/serial_8250.h>
310 #include <linux/serial.h>
311
312 /*
313  * Configuration for two 16550 UARTS in FPGA at addresses 0x20200000 and 0x202000010.
314  * running at half system clock, both with interrupt output or-ed to PF8. Change to
315  * suit different FPGA configuration, or to suit real 16550 UARTS connected to the bus
316  */
317
318 static struct plat_serial8250_port serial8250_platform_data [] = {
319         {
320                 .membase = (void *)0x20200000,
321                 .mapbase = 0x20200000,
322                 .irq = IRQ_PF8,
323                 .irqflags = IRQF_TRIGGER_HIGH,
324                 .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE,
325                 .iotype = UPIO_MEM,
326                 .regshift = 1,
327                 .uartclk = 66666667,
328         }, {
329                 .membase = (void *)0x20200010,
330                 .mapbase = 0x20200010,
331                 .irq = IRQ_PF8,
332                 .irqflags = IRQF_TRIGGER_HIGH,
333                 .flags = UPF_BOOT_AUTOCONF | UART_CONFIG_TYPE,
334                 .iotype = UPIO_MEM,
335                 .regshift = 1,
336                 .uartclk = 66666667,
337         }, {
338         }
339 };
340
341 static struct platform_device serial8250_device = {
342         .id             = PLAT8250_DEV_PLATFORM,
343         .name           = "serial8250",
344         .dev            = {
345                 .platform_data = serial8250_platform_data,
346         },
347 };
348
349 #endif
350
351 #if defined(CONFIG_KEYBOARD_OPENCORES) || defined(CONFIG_KEYBOARD_OPENCORES_MODULE)
352
353 /*
354  * Configuration for one OpenCores keyboard controller in FPGA at address 0x20200030,
355  * interrupt output wired to PF9. Change to suit different FPGA configuration
356  */
357
358 static struct resource opencores_kbd_resources[] = {
359         [0] = {
360                 .start  = 0x20200030,
361                 .end    = 0x20300030 + 2,
362                 .flags  = IORESOURCE_MEM,
363         },
364         [1] = {
365                 .start  = IRQ_PF9,
366                 .end    = IRQ_PF9,
367                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
368         },
369 };
370
371 static struct platform_device opencores_kbd_device = {
372         .id             = -1,
373         .name           = "opencores-kbd",
374         .resource       = opencores_kbd_resources,
375         .num_resources  = ARRAY_SIZE(opencores_kbd_resources),
376 };
377 #endif
378
379 static struct platform_device *h8606_devices[] __initdata = {
380 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
381         &rtc_device,
382 #endif
383
384 #if     defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
385         &dm9000_device,
386 #endif
387
388 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
389         &smc91x_device,
390 #endif
391
392 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
393         &net2272_bfin_device,
394 #endif
395
396 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
397         &bfin_spi0_device,
398 #endif
399
400 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
401 #ifdef CONFIG_SERIAL_BFIN_UART0
402         &bfin_uart0_device,
403 #endif
404 #endif
405
406 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
407         &serial8250_device,
408 #endif
409
410 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
411 #ifdef CONFIG_BFIN_SIR0
412         &bfin_sir0_device,
413 #endif
414 #endif
415
416 #if defined(CONFIG_KEYBOARD_OPENCORES) || defined(CONFIG_KEYBOARD_OPENCORES_MODULE)
417         &opencores_kbd_device,
418 #endif
419 };
420
421 static int __init H8606_init(void)
422 {
423         printk(KERN_INFO "HV Sistemas H8606 board support by http://www.hvsistemas.com\n");
424         printk(KERN_INFO "%s(): registering device resources\n", __func__);
425         platform_add_devices(h8606_devices, ARRAY_SIZE(h8606_devices));
426 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
427         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
428 #endif
429         return 0;
430 }
431
432 arch_initcall(H8606_init);
433
434 static struct platform_device *H8606_early_devices[] __initdata = {
435 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
436 #ifdef CONFIG_SERIAL_BFIN_UART0
437         &bfin_uart0_device,
438 #endif
439 #endif
440 };
441
442 void __init native_machine_early_platform_add_devices(void)
443 {
444         printk(KERN_INFO "register early platform devices\n");
445         early_platform_add_devices(H8606_early_devices,
446                 ARRAY_SIZE(H8606_early_devices));
447 }