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14#include <linux/gpio.h>
15#include <linux/module.h>
16#include <linux/kernel.h>
17#include <linux/init.h>
18#include <linux/platform_device.h>
19#include <linux/syscore_ops.h>
20#include <linux/major.h>
21#include <linux/fb.h>
22#include <linux/interrupt.h>
23#include <linux/mtd/mtd.h>
24#include <linux/mtd/partitions.h>
25#include <linux/smc91x.h>
26
27#include <linux/spi/spi.h>
28#include <linux/spi/ads7846.h>
29#include <linux/spi/pxa2xx_spi.h>
30
31#include <asm/setup.h>
32#include <asm/memory.h>
33#include <asm/mach-types.h>
34#include <mach/hardware.h>
35#include <asm/irq.h>
36#include <asm/sizes.h>
37
38#include <asm/mach/arch.h>
39#include <asm/mach/map.h>
40#include <asm/mach/irq.h>
41#include <asm/mach/flash.h>
42
43#include <asm/hardware/sa1111.h>
44
45#include <mach/pxa25x.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#include <mach/smemc.h>
54
55#include "generic.h"
56#include "clock.h"
57#include "devices.h"
58
59static unsigned long lubbock_pin_config[] __initdata = {
60 GPIO15_nCS_1,
61 GPIO78_nCS_2,
62 GPIO79_nCS_3,
63 GPIO80_nCS_4,
64
65
66 GPIO23_SSP1_SCLK,
67 GPIO25_SSP1_TXD,
68 GPIO26_SSP1_RXD,
69
70
71 GPIO28_AC97_BITCLK,
72 GPIO29_AC97_SDATA_IN_0,
73 GPIO30_AC97_SDATA_OUT,
74 GPIO31_AC97_SYNC,
75
76
77 GPIOxx_LCD_DSTN_16BPP,
78
79
80 GPIO42_BTUART_RXD,
81 GPIO43_BTUART_TXD,
82 GPIO44_BTUART_CTS,
83 GPIO45_BTUART_RTS,
84
85
86 GPIO48_nPOE,
87 GPIO49_nPWE,
88 GPIO50_nPIOR,
89 GPIO51_nPIOW,
90 GPIO52_nPCE_1,
91 GPIO53_nPCE_2,
92 GPIO54_nPSKTSEL,
93 GPIO55_nPREG,
94 GPIO56_nPWAIT,
95 GPIO57_nIOIS16,
96
97
98 GPIO6_MMC_CLK,
99 GPIO8_MMC_CS0,
100
101
102 GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
103};
104
105#define LUB_HEXLED __LUB_REG(LUBBOCK_FPGA_PHYS + 0x010)
106#define LUB_MISC_WR __LUB_REG(LUBBOCK_FPGA_PHYS + 0x080)
107
108void lubbock_set_hexled(uint32_t value)
109{
110 LUB_HEXLED = value;
111}
112
113void lubbock_set_misc_wr(unsigned int mask, unsigned int set)
114{
115 unsigned long flags;
116
117 local_irq_save(flags);
118 LUB_MISC_WR = (LUB_MISC_WR & ~mask) | (set & mask);
119 local_irq_restore(flags);
120}
121EXPORT_SYMBOL(lubbock_set_misc_wr);
122
123static unsigned long lubbock_irq_enabled;
124
125static void lubbock_mask_irq(struct irq_data *d)
126{
127 int lubbock_irq = (d->irq - LUBBOCK_IRQ(0));
128 LUB_IRQ_MASK_EN = (lubbock_irq_enabled &= ~(1 << lubbock_irq));
129}
130
131static void lubbock_unmask_irq(struct irq_data *d)
132{
133 int lubbock_irq = (d->irq - LUBBOCK_IRQ(0));
134
135 LUB_IRQ_SET_CLR &= ~(1 << lubbock_irq);
136 LUB_IRQ_MASK_EN = (lubbock_irq_enabled |= (1 << lubbock_irq));
137}
138
139static struct irq_chip lubbock_irq_chip = {
140 .name = "FPGA",
141 .irq_ack = lubbock_mask_irq,
142 .irq_mask = lubbock_mask_irq,
143 .irq_unmask = lubbock_unmask_irq,
144};
145
146static void lubbock_irq_handler(unsigned int irq, struct irq_desc *desc)
147{
148 unsigned long pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
149 do {
150
151 desc->irq_data.chip->irq_ack(&desc->irq_data);
152 if (likely(pending)) {
153 irq = LUBBOCK_IRQ(0) + __ffs(pending);
154 generic_handle_irq(irq);
155 }
156 pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
157 } while (pending);
158}
159
160static void __init lubbock_init_irq(void)
161{
162 int irq;
163
164 pxa25x_init_irq();
165
166
167 for (irq = LUBBOCK_IRQ(0); irq <= LUBBOCK_LAST_IRQ; irq++) {
168 irq_set_chip_and_handler(irq, &lubbock_irq_chip,
169 handle_level_irq);
170 set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
171 }
172
173 irq_set_chained_handler(PXA_GPIO_TO_IRQ(0), lubbock_irq_handler);
174 irq_set_irq_type(PXA_GPIO_TO_IRQ(0), IRQ_TYPE_EDGE_FALLING);
175}
176
177#ifdef CONFIG_PM
178
179static void lubbock_irq_resume(void)
180{
181 LUB_IRQ_MASK_EN = lubbock_irq_enabled;
182}
183
184static struct syscore_ops lubbock_irq_syscore_ops = {
185 .resume = lubbock_irq_resume,
186};
187
188static int __init lubbock_irq_device_init(void)
189{
190 if (machine_is_lubbock()) {
191 register_syscore_ops(&lubbock_irq_syscore_ops);
192 return 0;
193 }
194 return -ENODEV;
195}
196
197device_initcall(lubbock_irq_device_init);
198
199#endif
200
201static int lubbock_udc_is_connected(void)
202{
203 return (LUB_MISC_RD & (1 << 9)) == 0;
204}
205
206static struct pxa2xx_udc_mach_info udc_info __initdata = {
207 .udc_is_connected = lubbock_udc_is_connected,
208
209};
210
211static struct resource sa1111_resources[] = {
212 [0] = {
213 .start = 0x10000000,
214 .end = 0x10001fff,
215 .flags = IORESOURCE_MEM,
216 },
217 [1] = {
218 .start = LUBBOCK_SA1111_IRQ,
219 .end = LUBBOCK_SA1111_IRQ,
220 .flags = IORESOURCE_IRQ,
221 },
222};
223
224static struct sa1111_platform_data sa1111_info = {
225 .irq_base = LUBBOCK_SA1111_IRQ_BASE,
226 .disable_devs = SA1111_DEVID_SAC,
227};
228
229static struct platform_device sa1111_device = {
230 .name = "sa1111",
231 .id = -1,
232 .num_resources = ARRAY_SIZE(sa1111_resources),
233 .resource = sa1111_resources,
234 .dev = {
235 .platform_data = &sa1111_info,
236 },
237};
238
239
240
241
242
243
244static struct pxa2xx_spi_master pxa_ssp_master_info = {
245 .num_chipselect = 1,
246};
247
248static int lubbock_ads7846_pendown_state(void)
249{
250
251 return 0;
252}
253
254static struct ads7846_platform_data ads_info = {
255 .model = 7846,
256 .vref_delay_usecs = 100,
257 .get_pendown_state = lubbock_ads7846_pendown_state,
258
259
260};
261
262static void ads7846_cs(u32 command)
263{
264 static const unsigned TS_nCS = 1 << 11;
265 lubbock_set_misc_wr(TS_nCS, (command == PXA2XX_CS_ASSERT) ? 0 : TS_nCS);
266}
267
268static struct pxa2xx_spi_chip ads_hw = {
269 .tx_threshold = 1,
270 .rx_threshold = 2,
271 .cs_control = ads7846_cs,
272};
273
274static struct spi_board_info spi_board_info[] __initdata = { {
275 .modalias = "ads7846",
276 .platform_data = &ads_info,
277 .controller_data = &ads_hw,
278 .irq = LUBBOCK_BB_IRQ,
279 .max_speed_hz = 120000
280 * 26 ,
281 .bus_num = 1,
282 .chip_select = 0,
283},
284};
285
286static struct resource smc91x_resources[] = {
287 [0] = {
288 .name = "smc91x-regs",
289 .start = 0x0c000c00,
290 .end = 0x0c0fffff,
291 .flags = IORESOURCE_MEM,
292 },
293 [1] = {
294 .start = LUBBOCK_ETH_IRQ,
295 .end = LUBBOCK_ETH_IRQ,
296 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
297 },
298 [2] = {
299 .name = "smc91x-attrib",
300 .start = 0x0e000000,
301 .end = 0x0e0fffff,
302 .flags = IORESOURCE_MEM,
303 },
304};
305
306static struct smc91x_platdata lubbock_smc91x_info = {
307 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_IO_SHIFT_2,
308};
309
310static struct platform_device smc91x_device = {
311 .name = "smc91x",
312 .id = -1,
313 .num_resources = ARRAY_SIZE(smc91x_resources),
314 .resource = smc91x_resources,
315 .dev = {
316 .platform_data = &lubbock_smc91x_info,
317 },
318};
319
320static struct resource flash_resources[] = {
321 [0] = {
322 .start = 0x00000000,
323 .end = SZ_64M - 1,
324 .flags = IORESOURCE_MEM,
325 },
326 [1] = {
327 .start = 0x04000000,
328 .end = 0x04000000 + SZ_64M - 1,
329 .flags = IORESOURCE_MEM,
330 },
331};
332
333static struct mtd_partition lubbock_partitions[] = {
334 {
335 .name = "Bootloader",
336 .size = 0x00040000,
337 .offset = 0,
338 .mask_flags = MTD_WRITEABLE
339 },{
340 .name = "Kernel",
341 .size = 0x00100000,
342 .offset = 0x00040000,
343 },{
344 .name = "Filesystem",
345 .size = MTDPART_SIZ_FULL,
346 .offset = 0x00140000
347 }
348};
349
350static struct flash_platform_data lubbock_flash_data[2] = {
351 {
352 .map_name = "cfi_probe",
353 .parts = lubbock_partitions,
354 .nr_parts = ARRAY_SIZE(lubbock_partitions),
355 }, {
356 .map_name = "cfi_probe",
357 .parts = NULL,
358 .nr_parts = 0,
359 }
360};
361
362static struct platform_device lubbock_flash_device[2] = {
363 {
364 .name = "pxa2xx-flash",
365 .id = 0,
366 .dev = {
367 .platform_data = &lubbock_flash_data[0],
368 },
369 .resource = &flash_resources[0],
370 .num_resources = 1,
371 },
372 {
373 .name = "pxa2xx-flash",
374 .id = 1,
375 .dev = {
376 .platform_data = &lubbock_flash_data[1],
377 },
378 .resource = &flash_resources[1],
379 .num_resources = 1,
380 },
381};
382
383static struct platform_device *devices[] __initdata = {
384 &sa1111_device,
385 &smc91x_device,
386 &lubbock_flash_device[0],
387 &lubbock_flash_device[1],
388};
389
390static struct pxafb_mode_info sharp_lm8v31_mode = {
391 .pixclock = 270000,
392 .xres = 640,
393 .yres = 480,
394 .bpp = 16,
395 .hsync_len = 1,
396 .left_margin = 3,
397 .right_margin = 3,
398 .vsync_len = 1,
399 .upper_margin = 0,
400 .lower_margin = 0,
401 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
402 .cmap_greyscale = 0,
403};
404
405static struct pxafb_mach_info sharp_lm8v31 = {
406 .modes = &sharp_lm8v31_mode,
407 .num_modes = 1,
408 .cmap_inverse = 0,
409 .cmap_static = 0,
410 .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL |
411 LCD_AC_BIAS_FREQ(255),
412};
413
414#define MMC_POLL_RATE msecs_to_jiffies(1000)
415
416static void lubbock_mmc_poll(unsigned long);
417static irq_handler_t mmc_detect_int;
418
419static struct timer_list mmc_timer = {
420 .function = lubbock_mmc_poll,
421};
422
423static void lubbock_mmc_poll(unsigned long data)
424{
425 unsigned long flags;
426
427
428 local_irq_save(flags);
429 LUB_IRQ_SET_CLR &= ~(1 << 0);
430 local_irq_restore(flags);
431
432
433 if (LUB_IRQ_SET_CLR & (1 << 0))
434 mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
435 else {
436 (void) mmc_detect_int(LUBBOCK_SD_IRQ, (void *)data);
437 enable_irq(LUBBOCK_SD_IRQ);
438 }
439}
440
441static irqreturn_t lubbock_detect_int(int irq, void *data)
442{
443
444 disable_irq(irq);
445 mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
446
447 return mmc_detect_int(irq, data);
448}
449
450static int lubbock_mci_init(struct device *dev,
451 irq_handler_t detect_int,
452 void *data)
453{
454
455 mmc_detect_int = detect_int;
456 init_timer(&mmc_timer);
457 mmc_timer.data = (unsigned long) data;
458 return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int,
459 0, "lubbock-sd-detect", data);
460}
461
462static int lubbock_mci_get_ro(struct device *dev)
463{
464 return (LUB_MISC_RD & (1 << 2)) != 0;
465}
466
467static void lubbock_mci_exit(struct device *dev, void *data)
468{
469 free_irq(LUBBOCK_SD_IRQ, data);
470 del_timer_sync(&mmc_timer);
471}
472
473static struct pxamci_platform_data lubbock_mci_platform_data = {
474 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
475 .detect_delay_ms = 10,
476 .init = lubbock_mci_init,
477 .get_ro = lubbock_mci_get_ro,
478 .exit = lubbock_mci_exit,
479 .gpio_card_detect = -1,
480 .gpio_card_ro = -1,
481 .gpio_power = -1,
482};
483
484static void lubbock_irda_transceiver_mode(struct device *dev, int mode)
485{
486 unsigned long flags;
487
488 local_irq_save(flags);
489 if (mode & IR_SIRMODE) {
490 LUB_MISC_WR &= ~(1 << 4);
491 } else if (mode & IR_FIRMODE) {
492 LUB_MISC_WR |= 1 << 4;
493 }
494 pxa2xx_transceiver_mode(dev, mode);
495 local_irq_restore(flags);
496}
497
498static struct pxaficp_platform_data lubbock_ficp_platform_data = {
499 .gpio_pwdown = -1,
500 .transceiver_cap = IR_SIRMODE | IR_FIRMODE,
501 .transceiver_mode = lubbock_irda_transceiver_mode,
502};
503
504static void __init lubbock_init(void)
505{
506 int flashboot = (LUB_CONF_SWITCHES & 1);
507
508 pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config));
509
510 pxa_set_ffuart_info(NULL);
511 pxa_set_btuart_info(NULL);
512 pxa_set_stuart_info(NULL);
513
514 clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL);
515 pxa_set_udc_info(&udc_info);
516 pxa_set_fb_info(NULL, &sharp_lm8v31);
517 pxa_set_mci_info(&lubbock_mci_platform_data);
518 pxa_set_ficp_info(&lubbock_ficp_platform_data);
519 pxa_set_ac97_info(NULL);
520
521 lubbock_flash_data[0].width = lubbock_flash_data[1].width =
522 (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
523
524 printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
525 flashboot?"Flash":"ROM", flashboot);
526
527 lubbock_flash_data[flashboot^1].name = "application-flash";
528 lubbock_flash_data[flashboot].name = "boot-rom";
529 (void) platform_add_devices(devices, ARRAY_SIZE(devices));
530
531 pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
532 spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
533}
534
535static struct map_desc lubbock_io_desc[] __initdata = {
536 {
537 .virtual = LUBBOCK_FPGA_VIRT,
538 .pfn = __phys_to_pfn(LUBBOCK_FPGA_PHYS),
539 .length = 0x00100000,
540 .type = MT_DEVICE
541 }
542};
543
544static void __init lubbock_map_io(void)
545{
546 pxa25x_map_io();
547 iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc));
548
549 PCFR |= PCFR_OPDE;
550}
551
552MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)")
553
554 .map_io = lubbock_map_io,
555 .nr_irqs = LUBBOCK_NR_IRQS,
556 .init_irq = lubbock_init_irq,
557 .handle_irq = pxa25x_handle_irq,
558 .timer = &pxa_timer,
559 .init_machine = lubbock_init,
560 .restart = pxa_restart,
561MACHINE_END
562
