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11#include <linux/clkdev.h>
12#include <linux/gpio.h>
13#include <linux/gpio/gpio-reg.h>
14#include <linux/gpio/machine.h>
15#include <linux/module.h>
16#include <linux/kernel.h>
17#include <linux/init.h>
18#include <linux/io.h>
19#include <linux/platform_device.h>
20#include <linux/syscore_ops.h>
21#include <linux/major.h>
22#include <linux/fb.h>
23#include <linux/interrupt.h>
24#include <linux/mtd/mtd.h>
25#include <linux/mtd/partitions.h>
26#include <linux/smc91x.h>
27#include <linux/slab.h>
28#include <linux/leds.h>
29
30#include <linux/spi/spi.h>
31#include <linux/spi/ads7846.h>
32#include <linux/spi/pxa2xx_spi.h>
33
34#include <asm/setup.h>
35#include <asm/memory.h>
36#include <asm/mach-types.h>
37#include <mach/hardware.h>
38#include <asm/irq.h>
39#include <linux/sizes.h>
40
41#include <asm/mach/arch.h>
42#include <asm/mach/map.h>
43#include <asm/mach/irq.h>
44#include <asm/mach/flash.h>
45
46#include <asm/hardware/sa1111.h>
47
48#include "pxa25x.h"
49#include <mach/audio.h>
50#include <mach/lubbock.h>
51#include "udc.h"
52#include <linux/platform_data/irda-pxaficp.h>
53#include <linux/platform_data/video-pxafb.h>
54#include <linux/platform_data/mmc-pxamci.h>
55#include "pm.h"
56#include <mach/smemc.h>
57
58#include "generic.h"
59#include "devices.h"
60
61static unsigned long lubbock_pin_config[] __initdata = {
62 GPIO15_nCS_1,
63 GPIO78_nCS_2,
64 GPIO79_nCS_3,
65 GPIO80_nCS_4,
66
67
68 GPIO23_SSP1_SCLK,
69 GPIO25_SSP1_TXD,
70 GPIO26_SSP1_RXD,
71
72
73 GPIO28_AC97_BITCLK,
74 GPIO29_AC97_SDATA_IN_0,
75 GPIO30_AC97_SDATA_OUT,
76 GPIO31_AC97_SYNC,
77
78
79 GPIOxx_LCD_DSTN_16BPP,
80
81
82 GPIO42_BTUART_RXD,
83 GPIO43_BTUART_TXD,
84 GPIO44_BTUART_CTS,
85 GPIO45_BTUART_RTS,
86
87
88 GPIO48_nPOE,
89 GPIO49_nPWE,
90 GPIO50_nPIOR,
91 GPIO51_nPIOW,
92 GPIO52_nPCE_1,
93 GPIO53_nPCE_2,
94 GPIO54_nPSKTSEL,
95 GPIO55_nPREG,
96 GPIO56_nPWAIT,
97 GPIO57_nIOIS16,
98
99
100 GPIO6_MMC_CLK,
101 GPIO8_MMC_CS0,
102
103
104 GPIO11_3_6MHz,
105
106
107 GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
108};
109
110#define LUB_HEXLED __LUB_REG(LUBBOCK_FPGA_PHYS + 0x010)
111
112void lubbock_set_hexled(uint32_t value)
113{
114 LUB_HEXLED = value;
115}
116
117static struct gpio_chip *lubbock_misc_wr_gc;
118
119static void lubbock_set_misc_wr(unsigned int mask, unsigned int set)
120{
121 unsigned long m = mask, v = set;
122 lubbock_misc_wr_gc->set_multiple(lubbock_misc_wr_gc, &m, &v);
123}
124
125static int lubbock_udc_is_connected(void)
126{
127 return (LUB_MISC_RD & (1 << 9)) == 0;
128}
129
130static struct pxa2xx_udc_mach_info udc_info __initdata = {
131 .udc_is_connected = lubbock_udc_is_connected,
132
133};
134
135
136static struct gpiod_lookup_table sa1111_pcmcia_gpio_table = {
137 .dev_id = "1800",
138 .table = {
139 { "sa1111", 0, "a0vpp", GPIO_ACTIVE_HIGH },
140 { "sa1111", 1, "a1vpp", GPIO_ACTIVE_HIGH },
141 { "sa1111", 2, "a0vcc", GPIO_ACTIVE_HIGH },
142 { "sa1111", 3, "a1vcc", GPIO_ACTIVE_HIGH },
143 { "lubbock", 14, "b0vcc", GPIO_ACTIVE_HIGH },
144 { "lubbock", 15, "b1vcc", GPIO_ACTIVE_HIGH },
145 { },
146 },
147};
148
149static void lubbock_init_pcmcia(void)
150{
151 struct clk *clk;
152
153 gpiod_add_lookup_table(&sa1111_pcmcia_gpio_table);
154
155
156 clk = clk_get_sys("pxa2xx-pcmcia", NULL);
157 if (!IS_ERR(clk)) {
158 clkdev_create(clk, NULL, "1800");
159 clk_put(clk);
160 }
161}
162
163static struct resource sa1111_resources[] = {
164 [0] = {
165 .start = 0x10000000,
166 .end = 0x10001fff,
167 .flags = IORESOURCE_MEM,
168 },
169 [1] = {
170 .start = LUBBOCK_SA1111_IRQ,
171 .end = LUBBOCK_SA1111_IRQ,
172 .flags = IORESOURCE_IRQ,
173 },
174};
175
176static struct sa1111_platform_data sa1111_info = {
177 .irq_base = LUBBOCK_SA1111_IRQ_BASE,
178 .disable_devs = SA1111_DEVID_SAC,
179};
180
181static struct platform_device sa1111_device = {
182 .name = "sa1111",
183 .id = -1,
184 .num_resources = ARRAY_SIZE(sa1111_resources),
185 .resource = sa1111_resources,
186 .dev = {
187 .platform_data = &sa1111_info,
188 },
189};
190
191
192
193
194
195
196static struct pxa2xx_spi_controller pxa_ssp_master_info = {
197 .num_chipselect = 1,
198};
199
200static int lubbock_ads7846_pendown_state(void)
201{
202
203 return 0;
204}
205
206static struct ads7846_platform_data ads_info = {
207 .model = 7846,
208 .vref_delay_usecs = 100,
209 .get_pendown_state = lubbock_ads7846_pendown_state,
210
211
212};
213
214static void ads7846_cs(u32 command)
215{
216 static const unsigned TS_nCS = 1 << 11;
217 lubbock_set_misc_wr(TS_nCS, (command == PXA2XX_CS_ASSERT) ? 0 : TS_nCS);
218}
219
220static struct pxa2xx_spi_chip ads_hw = {
221 .tx_threshold = 1,
222 .rx_threshold = 2,
223 .cs_control = ads7846_cs,
224};
225
226static struct spi_board_info spi_board_info[] __initdata = { {
227 .modalias = "ads7846",
228 .platform_data = &ads_info,
229 .controller_data = &ads_hw,
230 .irq = LUBBOCK_BB_IRQ,
231 .max_speed_hz = 120000
232 * 26 ,
233 .bus_num = 1,
234 .chip_select = 0,
235},
236};
237
238static struct resource smc91x_resources[] = {
239 [0] = {
240 .name = "smc91x-regs",
241 .start = 0x0c000c00,
242 .end = 0x0c0fffff,
243 .flags = IORESOURCE_MEM,
244 },
245 [1] = {
246 .start = LUBBOCK_ETH_IRQ,
247 .end = LUBBOCK_ETH_IRQ,
248 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
249 },
250 [2] = {
251 .name = "smc91x-attrib",
252 .start = 0x0e000000,
253 .end = 0x0e0fffff,
254 .flags = IORESOURCE_MEM,
255 },
256};
257
258static struct smc91x_platdata lubbock_smc91x_info = {
259 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_IO_SHIFT_2,
260};
261
262static struct platform_device smc91x_device = {
263 .name = "smc91x",
264 .id = -1,
265 .num_resources = ARRAY_SIZE(smc91x_resources),
266 .resource = smc91x_resources,
267 .dev = {
268 .platform_data = &lubbock_smc91x_info,
269 },
270};
271
272static struct resource flash_resources[] = {
273 [0] = {
274 .start = 0x00000000,
275 .end = SZ_64M - 1,
276 .flags = IORESOURCE_MEM,
277 },
278 [1] = {
279 .start = 0x04000000,
280 .end = 0x04000000 + SZ_64M - 1,
281 .flags = IORESOURCE_MEM,
282 },
283};
284
285static struct mtd_partition lubbock_partitions[] = {
286 {
287 .name = "Bootloader",
288 .size = 0x00040000,
289 .offset = 0,
290 .mask_flags = MTD_WRITEABLE
291 },{
292 .name = "Kernel",
293 .size = 0x00100000,
294 .offset = 0x00040000,
295 },{
296 .name = "Filesystem",
297 .size = MTDPART_SIZ_FULL,
298 .offset = 0x00140000
299 }
300};
301
302static struct flash_platform_data lubbock_flash_data[2] = {
303 {
304 .map_name = "cfi_probe",
305 .parts = lubbock_partitions,
306 .nr_parts = ARRAY_SIZE(lubbock_partitions),
307 }, {
308 .map_name = "cfi_probe",
309 .parts = NULL,
310 .nr_parts = 0,
311 }
312};
313
314static struct platform_device lubbock_flash_device[2] = {
315 {
316 .name = "pxa2xx-flash",
317 .id = 0,
318 .dev = {
319 .platform_data = &lubbock_flash_data[0],
320 },
321 .resource = &flash_resources[0],
322 .num_resources = 1,
323 },
324 {
325 .name = "pxa2xx-flash",
326 .id = 1,
327 .dev = {
328 .platform_data = &lubbock_flash_data[1],
329 },
330 .resource = &flash_resources[1],
331 .num_resources = 1,
332 },
333};
334
335static struct resource lubbock_cplds_resources[] = {
336 [0] = {
337 .start = LUBBOCK_FPGA_PHYS + 0xc0,
338 .end = LUBBOCK_FPGA_PHYS + 0xe0 - 1,
339 .flags = IORESOURCE_MEM,
340 },
341 [1] = {
342 .start = PXA_GPIO_TO_IRQ(0),
343 .end = PXA_GPIO_TO_IRQ(0),
344 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
345 },
346 [2] = {
347 .start = LUBBOCK_IRQ(0),
348 .end = LUBBOCK_IRQ(6),
349 .flags = IORESOURCE_IRQ,
350 },
351};
352
353static struct platform_device lubbock_cplds_device = {
354 .name = "pxa_cplds_irqs",
355 .id = -1,
356 .resource = &lubbock_cplds_resources[0],
357 .num_resources = 3,
358};
359
360
361static struct platform_device *devices[] __initdata = {
362 &sa1111_device,
363 &smc91x_device,
364 &lubbock_flash_device[0],
365 &lubbock_flash_device[1],
366 &lubbock_cplds_device,
367};
368
369static struct pxafb_mode_info sharp_lm8v31_mode = {
370 .pixclock = 270000,
371 .xres = 640,
372 .yres = 480,
373 .bpp = 16,
374 .hsync_len = 1,
375 .left_margin = 3,
376 .right_margin = 3,
377 .vsync_len = 1,
378 .upper_margin = 0,
379 .lower_margin = 0,
380 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
381 .cmap_greyscale = 0,
382};
383
384static struct pxafb_mach_info sharp_lm8v31 = {
385 .modes = &sharp_lm8v31_mode,
386 .num_modes = 1,
387 .cmap_inverse = 0,
388 .cmap_static = 0,
389 .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL |
390 LCD_AC_BIAS_FREQ(255),
391};
392
393#define MMC_POLL_RATE msecs_to_jiffies(1000)
394
395static irq_handler_t mmc_detect_int;
396static void *mmc_detect_int_data;
397static struct timer_list mmc_timer;
398
399static void lubbock_mmc_poll(struct timer_list *unused)
400{
401 unsigned long flags;
402
403
404 local_irq_save(flags);
405 LUB_IRQ_SET_CLR &= ~(1 << 0);
406 local_irq_restore(flags);
407
408
409 if (LUB_IRQ_SET_CLR & (1 << 0))
410 mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
411 else {
412 (void) mmc_detect_int(LUBBOCK_SD_IRQ, mmc_detect_int_data);
413 enable_irq(LUBBOCK_SD_IRQ);
414 }
415}
416
417static irqreturn_t lubbock_detect_int(int irq, void *data)
418{
419
420 disable_irq(irq);
421 mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE);
422
423 return mmc_detect_int(irq, data);
424}
425
426static int lubbock_mci_init(struct device *dev,
427 irq_handler_t detect_int,
428 void *data)
429{
430
431 mmc_detect_int = detect_int;
432 mmc_detect_int_data = data;
433 timer_setup(&mmc_timer, lubbock_mmc_poll, 0);
434 return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int,
435 0, "lubbock-sd-detect", data);
436}
437
438static int lubbock_mci_get_ro(struct device *dev)
439{
440 return (LUB_MISC_RD & (1 << 2)) != 0;
441}
442
443static void lubbock_mci_exit(struct device *dev, void *data)
444{
445 free_irq(LUBBOCK_SD_IRQ, data);
446 del_timer_sync(&mmc_timer);
447}
448
449static struct pxamci_platform_data lubbock_mci_platform_data = {
450 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
451 .detect_delay_ms = 10,
452 .init = lubbock_mci_init,
453 .get_ro = lubbock_mci_get_ro,
454 .exit = lubbock_mci_exit,
455};
456
457static void lubbock_irda_transceiver_mode(struct device *dev, int mode)
458{
459 unsigned long flags;
460
461 local_irq_save(flags);
462 if (mode & IR_SIRMODE) {
463 lubbock_set_misc_wr(BIT(4), 0);
464 } else if (mode & IR_FIRMODE) {
465 lubbock_set_misc_wr(BIT(4), BIT(4));
466 }
467 pxa2xx_transceiver_mode(dev, mode);
468 local_irq_restore(flags);
469}
470
471static struct pxaficp_platform_data lubbock_ficp_platform_data = {
472 .gpio_pwdown = -1,
473 .transceiver_cap = IR_SIRMODE | IR_FIRMODE,
474 .transceiver_mode = lubbock_irda_transceiver_mode,
475};
476
477static void __init lubbock_init(void)
478{
479 int flashboot = (LUB_CONF_SWITCHES & 1);
480
481 pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config));
482
483 lubbock_misc_wr_gc = gpio_reg_init(NULL, (void *)&LUB_MISC_WR,
484 -1, 16, "lubbock", 0, LUB_MISC_WR,
485 NULL, NULL, NULL);
486 if (IS_ERR(lubbock_misc_wr_gc)) {
487 pr_err("Lubbock: unable to register lubbock GPIOs: %ld\n",
488 PTR_ERR(lubbock_misc_wr_gc));
489 lubbock_misc_wr_gc = NULL;
490 }
491
492 pxa_set_ffuart_info(NULL);
493 pxa_set_btuart_info(NULL);
494 pxa_set_stuart_info(NULL);
495
496 lubbock_init_pcmcia();
497
498 clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL);
499 pxa_set_udc_info(&udc_info);
500 pxa_set_fb_info(NULL, &sharp_lm8v31);
501 pxa_set_mci_info(&lubbock_mci_platform_data);
502 pxa_set_ficp_info(&lubbock_ficp_platform_data);
503 pxa_set_ac97_info(NULL);
504
505 lubbock_flash_data[0].width = lubbock_flash_data[1].width =
506 (__raw_readl(BOOT_DEF) & 1) ? 2 : 4;
507
508 printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
509 flashboot?"Flash":"ROM", flashboot);
510
511 lubbock_flash_data[flashboot^1].name = "application-flash";
512 lubbock_flash_data[flashboot].name = "boot-rom";
513 (void) platform_add_devices(devices, ARRAY_SIZE(devices));
514
515 pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
516 spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
517}
518
519static struct map_desc lubbock_io_desc[] __initdata = {
520 {
521 .virtual = LUBBOCK_FPGA_VIRT,
522 .pfn = __phys_to_pfn(LUBBOCK_FPGA_PHYS),
523 .length = 0x00100000,
524 .type = MT_DEVICE
525 }
526};
527
528static void __init lubbock_map_io(void)
529{
530 pxa25x_map_io();
531 iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc));
532
533 PCFR |= PCFR_OPDE;
534}
535
536
537
538
539
540
541
542#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
543struct lubbock_led {
544 struct led_classdev cdev;
545 u8 mask;
546};
547
548
549
550
551
552static const struct {
553 const char *name;
554 const char *trigger;
555} lubbock_leds[] = {
556 { "lubbock:D28", "default-on", },
557 { "lubbock:D27", "cpu0", },
558 { "lubbock:D26", "heartbeat" },
559 { "lubbock:D25", },
560 { "lubbock:D24", },
561 { "lubbock:D23", },
562 { "lubbock:D22", },
563 { "lubbock:D21", },
564};
565
566static void lubbock_led_set(struct led_classdev *cdev,
567 enum led_brightness b)
568{
569 struct lubbock_led *led = container_of(cdev,
570 struct lubbock_led, cdev);
571 u32 reg = LUB_DISC_BLNK_LED;
572
573 if (b != LED_OFF)
574 reg |= led->mask;
575 else
576 reg &= ~led->mask;
577
578 LUB_DISC_BLNK_LED = reg;
579}
580
581static enum led_brightness lubbock_led_get(struct led_classdev *cdev)
582{
583 struct lubbock_led *led = container_of(cdev,
584 struct lubbock_led, cdev);
585 u32 reg = LUB_DISC_BLNK_LED;
586
587 return (reg & led->mask) ? LED_FULL : LED_OFF;
588}
589
590static int __init lubbock_leds_init(void)
591{
592 int i;
593
594 if (!machine_is_lubbock())
595 return -ENODEV;
596
597
598 LUB_DISC_BLNK_LED |= 0xff;
599 for (i = 0; i < ARRAY_SIZE(lubbock_leds); i++) {
600 struct lubbock_led *led;
601
602 led = kzalloc(sizeof(*led), GFP_KERNEL);
603 if (!led)
604 break;
605
606 led->cdev.name = lubbock_leds[i].name;
607 led->cdev.brightness_set = lubbock_led_set;
608 led->cdev.brightness_get = lubbock_led_get;
609 led->cdev.default_trigger = lubbock_leds[i].trigger;
610 led->mask = BIT(i);
611
612 if (led_classdev_register(NULL, &led->cdev) < 0) {
613 kfree(led);
614 break;
615 }
616 }
617
618 return 0;
619}
620
621
622
623
624
625fs_initcall(lubbock_leds_init);
626#endif
627
628MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)")
629
630 .map_io = lubbock_map_io,
631 .nr_irqs = LUBBOCK_NR_IRQS,
632 .init_irq = pxa25x_init_irq,
633 .handle_irq = pxa25x_handle_irq,
634 .init_time = pxa_timer_init,
635 .init_machine = lubbock_init,
636 .restart = pxa_restart,
637MACHINE_END
638
