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14#include <linux/module.h>
15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/platform_device.h>
18#include <linux/sysdev.h>
19#include <linux/major.h>
20#include <linux/fb.h>
21#include <linux/interrupt.h>
22#include <linux/mtd/mtd.h>
23#include <linux/mtd/partitions.h>
24#include <linux/smc91x.h>
25
26#include <linux/spi/spi.h>
27#include <linux/spi/ads7846.h>
28#include <mach/pxa2xx_spi.h>
29
30#include <asm/setup.h>
31#include <asm/memory.h>
32#include <asm/mach-types.h>
33#include <mach/hardware.h>
34#include <asm/irq.h>
35#include <asm/sizes.h>
36
37#include <asm/mach/arch.h>
38#include <asm/mach/map.h>
39#include <asm/mach/irq.h>
40#include <asm/mach/flash.h>
41
42#include <asm/hardware/sa1111.h>
43
44#include <mach/pxa25x.h>
45#include <mach/gpio.h>
46#include <mach/audio.h>
47#include <mach/lubbock.h>
48#include <mach/udc.h>
49#include <mach/irda.h>
50#include <mach/pxafb.h>
51#include <mach/mmc.h>
52#include <mach/pm.h>
53
54#include "generic.h"
55#include "clock.h"
56#include "devices.h"
57
58static unsigned long lubbock_pin_config[] __initdata = {
59 GPIO15_nCS_1,
60 GPIO78_nCS_2,
61 GPIO79_nCS_3,
62 GPIO80_nCS_4,
63
64
65 GPIO23_SSP1_SCLK,
66 GPIO25_SSP1_TXD,
67 GPIO26_SSP1_RXD,
68
69
70 GPIO58_LCD_LDD_0,
71 GPIO59_LCD_LDD_1,
72 GPIO60_LCD_LDD_2,
73 GPIO61_LCD_LDD_3,
74 GPIO62_LCD_LDD_4,
75 GPIO63_LCD_LDD_5,
76 GPIO64_LCD_LDD_6,
77 GPIO65_LCD_LDD_7,
78 GPIO66_LCD_LDD_8,
79 GPIO67_LCD_LDD_9,
80 GPIO68_LCD_LDD_10,
81 GPIO69_LCD_LDD_11,
82 GPIO70_LCD_LDD_12,
83 GPIO71_LCD_LDD_13,
84 GPIO72_LCD_LDD_14,
85 GPIO73_LCD_LDD_15,
86 GPIO74_LCD_FCLK,
87 GPIO75_LCD_LCLK,
88 GPIO76_LCD_PCLK,
89
90
91 GPIO42_BTUART_RXD,
92 GPIO43_BTUART_TXD,
93 GPIO44_BTUART_CTS,
94 GPIO45_BTUART_RTS,
95
96
97 GPIO48_nPOE,
98 GPIO49_nPWE,
99 GPIO50_nPIOR,
100 GPIO51_nPIOW,
101 GPIO52_nPCE_1,
102 GPIO53_nPCE_2,
103 GPIO54_nPSKTSEL,
104 GPIO55_nPREG,
105 GPIO56_nPWAIT,
106 GPIO57_nIOIS16,
107
108
109 GPIO6_MMC_CLK,
110 GPIO8_MMC_CS0,
111
112
113 GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
114};
115
116#define LUB_HEXLED __LUB_REG(LUBBOCK_FPGA_PHYS + 0x010)
117#define LUB_MISC_WR __LUB_REG(LUBBOCK_FPGA_PHYS + 0x080)
118
119void lubbock_set_hexled(uint32_t value)
120{
121 LUB_HEXLED = value;
122}
123
124void lubbock_set_misc_wr(unsigned int mask, unsigned int set)
125{
126 unsigned long flags;
127
128 local_irq_save(flags);
129 LUB_MISC_WR = (LUB_MISC_WR & ~mask) | (set & mask);
130 local_irq_restore(flags);
131}
132EXPORT_SYMBOL(lubbock_set_misc_wr);
133
134static unsigned long lubbock_irq_enabled;
135
136static void lubbock_mask_irq(unsigned int irq)
137{
138 int lubbock_irq = (irq - LUBBOCK_IRQ(0));
139 LUB_IRQ_MASK_EN = (lubbock_irq_enabled &= ~(1 << lubbock_irq));
140}
141
142static void lubbock_unmask_irq(unsigned int irq)
143{
144 int lubbock_irq = (irq - LUBBOCK_IRQ(0));
145
146 LUB_IRQ_SET_CLR &= ~(1 << lubbock_irq);
147 LUB_IRQ_MASK_EN = (lubbock_irq_enabled |= (1 << lubbock_irq));
148}
149
150static struct irq_chip lubbock_irq_chip = {
151 .name = "FPGA",
152 .ack = lubbock_mask_irq,
153 .mask = lubbock_mask_irq,
154 .unmask = lubbock_unmask_irq,
155};
156
157static void lubbock_irq_handler(unsigned int irq, struct irq_desc *desc)
158{
159 unsigned long pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
160 do {
161 GEDR(0) = GPIO_bit(0);
162 if (likely(pending)) {
163 irq = LUBBOCK_IRQ(0) + __ffs(pending);
164 generic_handle_irq(irq);
165 }
166 pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
167 } while (pending);
168}
169
170static void __init lubbock_init_irq(void)
171{
172 int irq;
173
174 pxa25x_init_irq();
175
176
177 for (irq = LUBBOCK_IRQ(0); irq <= LUBBOCK_LAST_IRQ; irq++) {
178 set_irq_chip(irq, &lubbock_irq_chip);
179 set_irq_handler(irq, handle_level_irq);
180 set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
181 }
182
183 set_irq_chained_handler(IRQ_GPIO(0), lubbock_irq_handler);
184 set_irq_type(IRQ_GPIO(0), IRQ_TYPE_EDGE_FALLING);
185}
186
187#ifdef CONFIG_PM
188
189static int lubbock_irq_resume(struct sys_device *dev)
190{
191 LUB_IRQ_MASK_EN = lubbock_irq_enabled;
192 return 0;
193}
194
195static struct sysdev_class lubbock_irq_sysclass = {
196 .name = "cpld_irq",
197 .resume = lubbock_irq_resume,
198};
199
200static struct sys_device lubbock_irq_device = {
201 .cls = &lubbock_irq_sysclass,
202};
203
204static int __init lubbock_irq_device_init(void)
205{
206 int ret = -ENODEV;
207
208 if (machine_is_lubbock()) {
209 ret = sysdev_class_register(&lubbock_irq_sysclass);
210 if (ret == 0)
211 ret = sysdev_register(&lubbock_irq_device);
212 }
213 return ret;
214}
215
216device_initcall(lubbock_irq_device_init);
217
218#endif
219
220static int lubbock_udc_is_connected(void)
221{
222 return (LUB_MISC_RD & (1 << 9)) == 0;
223}
224
225static struct pxa2xx_udc_mach_info udc_info __initdata = {
226 .udc_is_connected = lubbock_udc_is_connected,
227
228};
229
230static struct resource sa1111_resources[] = {
231 [0] = {
232 .start = 0x10000000,
233 .end = 0x10001fff,
234 .flags = IORESOURCE_MEM,
235 },
236 [1] = {
237 .start = LUBBOCK_SA1111_IRQ,
238 .end = LUBBOCK_SA1111_IRQ,
239 .flags = IORESOURCE_IRQ,
240 },
241};
242
243static struct platform_device sa1111_device = {
244 .name = "sa1111",
245 .id = -1,
246 .num_resources = ARRAY_SIZE(sa1111_resources),
247 .resource = sa1111_resources,
248};
249
250
251
252
253
254
255static struct pxa2xx_spi_master pxa_ssp_master_info = {
256 .num_chipselect = 1,
257};
258
259static int lubbock_ads7846_pendown_state(void)
260{
261
262 return 0;
263}
264
265static struct ads7846_platform_data ads_info = {
266 .model = 7846,
267 .vref_delay_usecs = 100,
268 .get_pendown_state = lubbock_ads7846_pendown_state,
269
270
271};
272
273static void ads7846_cs(u32 command)
274{
275 static const unsigned TS_nCS = 1 << 11;
276 lubbock_set_misc_wr(TS_nCS, (command == PXA2XX_CS_ASSERT) ? 0 : TS_nCS);
277}
278
279static struct pxa2xx_spi_chip ads_hw = {
280 .tx_threshold = 1,
281 .rx_threshold = 2,
282 .cs_control = ads7846_cs,
283};
284
285static struct spi_board_info spi_board_info[] __initdata = { {
286 .modalias = "ads7846",
287 .platform_data = &ads_info,
288 .controller_data = &ads_hw,
289 .irq = LUBBOCK_BB_IRQ,
290 .max_speed_hz = 120000
291 * 26 ,
292 .bus_num = 1,
293 .chip_select = 0,
294},
295};
296
297static struct resource smc91x_resources[] = {
298 [0] = {
299 .name = "smc91x-regs",
300 .start = 0x0c000c00,
301 .end = 0x0c0fffff,
302 .flags = IORESOURCE_MEM,
303 },
304 [1] = {
305 .start = LUBBOCK_ETH_IRQ,
306 .end = LUBBOCK_ETH_IRQ,
307 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
308 },
309 [2] = {
310 .name = "smc91x-attrib",
311 .start = 0x0e000000,
312 .end = 0x0e0fffff,
313 .flags = IORESOURCE_MEM,
314 },
315};
316
317static struct smc91x_platdata lubbock_smc91x_info = {
318 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_IO_SHIFT_2,
319};
320
321static struct platform_device smc91x_device = {
322 .name = "smc91x",
323 .id = -1,
324 .num_resources = ARRAY_SIZE(smc91x_resources),
325 .resource = smc91x_resources,
326 .dev = {
327 .platform_data = &lubbock_smc91x_info,
328 },
329};
330
331static struct resource flash_resources[] = {
332 [0] = {
333 .start = 0x00000000,
334 .end = SZ_64M - 1,
335 .flags = IORESOURCE_MEM,
336 },
337 [1] = {
338 .start = 0x04000000,
339 .end = 0x04000000 + SZ_64M - 1,
340 .flags = IORESOURCE_MEM,
341 },
342};
343
344static struct mtd_partition lubbock_partitions[] = {
345 {
346 .name = "Bootloader",
347 .size = 0x00040000,
348 .offset = 0,
349 .mask_flags = MTD_WRITEABLE
350 },{
351 .name = "Kernel",
352 .size = 0x00100000,
353 .offset = 0x00040000,
354 },{
355 .name = "Filesystem",
356 .size = MTDPART_SIZ_FULL,
357 .offset = 0x00140000
358 }
359};
360
361static struct flash_platform_data lubbock_flash_data[2] = {
362 {
363 .map_name = "cfi_probe",
364 .parts = lubbock_partitions,
365 .nr_parts = ARRAY_SIZE(lubbock_partitions),
366 }, {
367 .map_name = "cfi_probe",
368 .parts = NULL,
369 .nr_parts = 0,
370 }
371};
372
373static struct platform_device lubbock_flash_device[2] = {
374 {
375 .name = "pxa2xx-flash",
376 .id = 0,
377 .dev = {
378 .platform_data = &lubbock_flash_data[0],
379 },
380 .resource = &flash_resources[0],
381 .num_resources = 1,
382 },
383 {
384 .name = "pxa2xx-flash",
385 .id = 1,
386 .dev = {
387 .platform_data = &lubbock_flash_data[1],
388 },
389 .resource = &flash_resources[1],
390 .num_resources = 1,
391 },
392};
393
394static struct platform_device *devices[] __initdata = {
395 &sa1111_device,
396 &smc91x_device,
397 &lubbock_flash_device[0],
398 &lubbock_flash_device[1],
399};
400
401static struct pxafb_mode_info sharp_lm8v31_mode = {
402 .pixclock = 270000,
403 .xres = 640,
404 .yres = 480,
405 .bpp = 16,
406 .hsync_len = 1,
407 .left_margin = 3,
408 .right_margin = 3,
409 .vsync_len = 1,
410 .upper_margin = 0,
411 .lower_margin = 0,
412 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
413 .cmap_greyscale = 0,
414};
415
416static struct pxafb_mach_info sharp_lm8v31 = {
417 .modes = &sharp_lm8v31_mode,
418 .num_modes = 1,
419 .cmap_inverse = 0,
420 .cmap_static = 0,
421 .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL |
422 LCD_AC_BIAS_FREQ(255),
423};
424
425#define MMC_POLL_RATE msecs_to_jiffies(1000)
426
427static void lubbock_mmc_poll(unsigned long);
428static irq_handler_t mmc_detect_int;
429
430static struct timer_list mmc_timer = {
431 .function = lubbock_mmc_poll,
432};
433
434static void lubbock_mmc_poll(unsigned long data)
435{
436 unsigned long flags;
437
438
439 local_irq_save(flags);
440 LUB_IRQ_SET_CLR &= ~(1 << 0);
441 local_irq_restore(flags);
442
443
444 if (LUB_IRQ_SET_CLR & (1 << 0))
445 mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
446 else {
447 (void) mmc_detect_int(LUBBOCK_SD_IRQ, (void *)data);
448 enable_irq(LUBBOCK_SD_IRQ);
449 }
450}
451
452static irqreturn_t lubbock_detect_int(int irq, void *data)
453{
454
455 disable_irq(irq);
456 mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
457
458 return mmc_detect_int(irq, data);
459}
460
461static int lubbock_mci_init(struct device *dev,
462 irq_handler_t detect_int,
463 void *data)
464{
465
466 mmc_detect_int = detect_int;
467 init_timer(&mmc_timer);
468 mmc_timer.data = (unsigned long) data;
469 return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int,
470 IRQF_SAMPLE_RANDOM, "lubbock-sd-detect", data);
471}
472
473static int lubbock_mci_get_ro(struct device *dev)
474{
475 return (LUB_MISC_RD & (1 << 2)) != 0;
476}
477
478static void lubbock_mci_exit(struct device *dev, void *data)
479{
480 free_irq(LUBBOCK_SD_IRQ, data);
481 del_timer_sync(&mmc_timer);
482}
483
484static struct pxamci_platform_data lubbock_mci_platform_data = {
485 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
486 .detect_delay = 1,
487 .init = lubbock_mci_init,
488 .get_ro = lubbock_mci_get_ro,
489 .exit = lubbock_mci_exit,
490 .gpio_card_detect = -1,
491 .gpio_card_ro = -1,
492 .gpio_power = -1,
493};
494
495static void lubbock_irda_transceiver_mode(struct device *dev, int mode)
496{
497 unsigned long flags;
498
499 local_irq_save(flags);
500 if (mode & IR_SIRMODE) {
501 LUB_MISC_WR &= ~(1 << 4);
502 } else if (mode & IR_FIRMODE) {
503 LUB_MISC_WR |= 1 << 4;
504 }
505 pxa2xx_transceiver_mode(dev, mode);
506 local_irq_restore(flags);
507}
508
509static struct pxaficp_platform_data lubbock_ficp_platform_data = {
510 .gpio_pwdown = -1,
511 .transceiver_cap = IR_SIRMODE | IR_FIRMODE,
512 .transceiver_mode = lubbock_irda_transceiver_mode,
513};
514
515static void __init lubbock_init(void)
516{
517 int flashboot = (LUB_CONF_SWITCHES & 1);
518
519 pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config));
520
521 clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL);
522 pxa_set_udc_info(&udc_info);
523 set_pxa_fb_info(&sharp_lm8v31);
524 pxa_set_mci_info(&lubbock_mci_platform_data);
525 pxa_set_ficp_info(&lubbock_ficp_platform_data);
526 pxa_set_ac97_info(NULL);
527
528 lubbock_flash_data[0].width = lubbock_flash_data[1].width =
529 (BOOT_DEF & 1) ? 2 : 4;
530
531 printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
532 flashboot?"Flash":"ROM", flashboot);
533
534 lubbock_flash_data[flashboot^1].name = "application-flash";
535 lubbock_flash_data[flashboot].name = "boot-rom";
536 (void) platform_add_devices(devices, ARRAY_SIZE(devices));
537
538 pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
539 spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
540}
541
542static struct map_desc lubbock_io_desc[] __initdata = {
543 {
544 .virtual = LUBBOCK_FPGA_VIRT,
545 .pfn = __phys_to_pfn(LUBBOCK_FPGA_PHYS),
546 .length = 0x00100000,
547 .type = MT_DEVICE
548 }
549};
550
551static void __init lubbock_map_io(void)
552{
553 pxa_map_io();
554 iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc));
555
556 PCFR |= PCFR_OPDE;
557}
558
559MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)")
560
561 .phys_io = 0x40000000,
562 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
563 .map_io = lubbock_map_io,
564 .init_irq = lubbock_init_irq,
565 .timer = &pxa_timer,
566 .init_machine = lubbock_init,
567MACHINE_END
568
