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11#include <linux/cpufreq.h>
12#include <linux/interrupt.h>
13#include <linux/leds.h>
14#include <linux/irq.h>
15#include <linux/pm.h>
16#include <linux/property.h>
17#include <linux/gpio.h>
18#include <linux/gpio/machine.h>
19#include <linux/serial_8250.h>
20#include <linux/dm9000.h>
21#include <linux/mmc/host.h>
22#include <linux/spi/spi.h>
23#include <linux/spi/pxa2xx_spi.h>
24#include <linux/mtd/mtd.h>
25#include <linux/mtd/partitions.h>
26#include <linux/mtd/physmap.h>
27#include <linux/i2c.h>
28#include <linux/platform_data/i2c-pxa.h>
29#include <linux/platform_data/pca953x.h>
30#include <linux/apm-emulation.h>
31#include <linux/regulator/fixed.h>
32#include <linux/regulator/machine.h>
33
34#include <asm/mach-types.h>
35#include <asm/suspend.h>
36#include <asm/system_info.h>
37#include <asm/mach/arch.h>
38#include <asm/mach/map.h>
39
40#include "pxa27x.h"
41#include "devices.h"
42#include <mach/regs-uart.h>
43#include <linux/platform_data/usb-ohci-pxa27x.h>
44#include <linux/platform_data/mmc-pxamci.h>
45#include "pxa27x-udc.h"
46#include "udc.h"
47#include <linux/platform_data/video-pxafb.h>
48#include "pm.h"
49#include <mach/audio.h>
50#include <linux/platform_data/pcmcia-pxa2xx_viper.h>
51#include "zeus.h"
52#include <mach/smemc.h>
53
54#include "generic.h"
55
56
57
58
59
60static unsigned long zeus_irq_enabled_mask;
61static const int zeus_isa_irqs[] = { 3, 4, 5, 6, 7, 10, 11, 12, };
62static const int zeus_isa_irq_map[] = {
63 0,
64 0,
65 0,
66 1 << 0,
67 1 << 1,
68 1 << 2,
69 1 << 3,
70 1 << 4,
71 0,
72 0,
73 1 << 5,
74 1 << 6,
75 1 << 7,
76};
77
78static inline int zeus_irq_to_bitmask(unsigned int irq)
79{
80 return zeus_isa_irq_map[irq - PXA_ISA_IRQ(0)];
81}
82
83static inline int zeus_bit_to_irq(int bit)
84{
85 return zeus_isa_irqs[bit] + PXA_ISA_IRQ(0);
86}
87
88static void zeus_ack_irq(struct irq_data *d)
89{
90 __raw_writew(zeus_irq_to_bitmask(d->irq), ZEUS_CPLD_ISA_IRQ);
91}
92
93static void zeus_mask_irq(struct irq_data *d)
94{
95 zeus_irq_enabled_mask &= ~(zeus_irq_to_bitmask(d->irq));
96}
97
98static void zeus_unmask_irq(struct irq_data *d)
99{
100 zeus_irq_enabled_mask |= zeus_irq_to_bitmask(d->irq);
101}
102
103static inline unsigned long zeus_irq_pending(void)
104{
105 return __raw_readw(ZEUS_CPLD_ISA_IRQ) & zeus_irq_enabled_mask;
106}
107
108static void zeus_irq_handler(struct irq_desc *desc)
109{
110 unsigned int irq;
111 unsigned long pending;
112
113 pending = zeus_irq_pending();
114 do {
115
116
117 desc->irq_data.chip->irq_ack(&desc->irq_data);
118
119 if (likely(pending)) {
120 irq = zeus_bit_to_irq(__ffs(pending));
121 generic_handle_irq(irq);
122 }
123 pending = zeus_irq_pending();
124 } while (pending);
125}
126
127static struct irq_chip zeus_irq_chip = {
128 .name = "ISA",
129 .irq_ack = zeus_ack_irq,
130 .irq_mask = zeus_mask_irq,
131 .irq_unmask = zeus_unmask_irq,
132};
133
134static void __init zeus_init_irq(void)
135{
136 int level;
137 int isa_irq;
138
139 pxa27x_init_irq();
140
141
142
143 irq_set_irq_type(gpio_to_irq(ZEUS_AC97_GPIO), IRQ_TYPE_EDGE_RISING);
144 irq_set_irq_type(gpio_to_irq(ZEUS_WAKEUP_GPIO), IRQ_TYPE_EDGE_RISING);
145 irq_set_irq_type(gpio_to_irq(ZEUS_PTT_GPIO), IRQ_TYPE_EDGE_RISING);
146 irq_set_irq_type(gpio_to_irq(ZEUS_EXTGPIO_GPIO),
147 IRQ_TYPE_EDGE_FALLING);
148 irq_set_irq_type(gpio_to_irq(ZEUS_CAN_GPIO), IRQ_TYPE_EDGE_FALLING);
149
150
151 for (level = 0; level < ARRAY_SIZE(zeus_isa_irqs); level++) {
152 isa_irq = zeus_bit_to_irq(level);
153 irq_set_chip_and_handler(isa_irq, &zeus_irq_chip,
154 handle_edge_irq);
155 irq_clear_status_flags(isa_irq, IRQ_NOREQUEST | IRQ_NOPROBE);
156 }
157
158 irq_set_irq_type(gpio_to_irq(ZEUS_ISA_GPIO), IRQ_TYPE_EDGE_RISING);
159 irq_set_chained_handler(gpio_to_irq(ZEUS_ISA_GPIO), zeus_irq_handler);
160}
161
162
163
164
165
166
167
168static struct resource zeus_mtd_resources[] = {
169 [0] = {
170 .start = ZEUS_FLASH_PHYS,
171 .end = ZEUS_FLASH_PHYS + SZ_64M - 1,
172 .flags = IORESOURCE_MEM,
173 },
174 [1] = {
175 .start = ZEUS_SRAM_PHYS,
176 .end = ZEUS_SRAM_PHYS + SZ_512K - 1,
177 .flags = IORESOURCE_MEM,
178 },
179};
180
181static struct physmap_flash_data zeus_flash_data[] = {
182 [0] = {
183 .width = 2,
184 .parts = NULL,
185 .nr_parts = 0,
186 },
187};
188
189static struct platform_device zeus_mtd_devices[] = {
190 [0] = {
191 .name = "physmap-flash",
192 .id = 0,
193 .dev = {
194 .platform_data = &zeus_flash_data[0],
195 },
196 .resource = &zeus_mtd_resources[0],
197 .num_resources = 1,
198 },
199};
200
201
202static struct resource zeus_serial_resources[] = {
203 {
204 .start = 0x10000000,
205 .end = 0x1000000f,
206 .flags = IORESOURCE_MEM,
207 },
208 {
209 .start = 0x10800000,
210 .end = 0x1080000f,
211 .flags = IORESOURCE_MEM,
212 },
213 {
214 .start = 0x11000000,
215 .end = 0x1100000f,
216 .flags = IORESOURCE_MEM,
217 },
218 {
219 .start = 0x40100000,
220 .end = 0x4010001f,
221 .flags = IORESOURCE_MEM,
222 },
223 {
224 .start = 0x40200000,
225 .end = 0x4020001f,
226 .flags = IORESOURCE_MEM,
227 },
228 {
229 .start = 0x40700000,
230 .end = 0x4070001f,
231 .flags = IORESOURCE_MEM,
232 },
233};
234
235static struct plat_serial8250_port serial_platform_data[] = {
236
237
238 {
239 .mapbase = 0x10000000,
240 .irq = PXA_GPIO_TO_IRQ(ZEUS_UARTA_GPIO),
241 .irqflags = IRQF_TRIGGER_RISING,
242 .uartclk = 14745600,
243 .regshift = 1,
244 .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
245 .iotype = UPIO_MEM,
246 },
247 {
248 .mapbase = 0x10800000,
249 .irq = PXA_GPIO_TO_IRQ(ZEUS_UARTB_GPIO),
250 .irqflags = IRQF_TRIGGER_RISING,
251 .uartclk = 14745600,
252 .regshift = 1,
253 .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
254 .iotype = UPIO_MEM,
255 },
256 {
257 .mapbase = 0x11000000,
258 .irq = PXA_GPIO_TO_IRQ(ZEUS_UARTC_GPIO),
259 .irqflags = IRQF_TRIGGER_RISING,
260 .uartclk = 14745600,
261 .regshift = 1,
262 .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
263 .iotype = UPIO_MEM,
264 },
265 {
266 .mapbase = 0x11800000,
267 .irq = PXA_GPIO_TO_IRQ(ZEUS_UARTD_GPIO),
268 .irqflags = IRQF_TRIGGER_RISING,
269 .uartclk = 14745600,
270 .regshift = 1,
271 .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
272 .iotype = UPIO_MEM,
273 },
274
275 {
276 .membase = (void *)&FFUART,
277 .mapbase = __PREG(FFUART),
278 .irq = IRQ_FFUART,
279 .uartclk = 921600 * 16,
280 .regshift = 2,
281 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
282 .iotype = UPIO_MEM,
283 },
284 {
285 .membase = (void *)&BTUART,
286 .mapbase = __PREG(BTUART),
287 .irq = IRQ_BTUART,
288 .uartclk = 921600 * 16,
289 .regshift = 2,
290 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
291 .iotype = UPIO_MEM,
292 },
293 {
294 .membase = (void *)&STUART,
295 .mapbase = __PREG(STUART),
296 .irq = IRQ_STUART,
297 .uartclk = 921600 * 16,
298 .regshift = 2,
299 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
300 .iotype = UPIO_MEM,
301 },
302 { },
303};
304
305static struct platform_device zeus_serial_device = {
306 .name = "serial8250",
307 .id = PLAT8250_DEV_PLATFORM,
308 .dev = {
309 .platform_data = serial_platform_data,
310 },
311 .num_resources = ARRAY_SIZE(zeus_serial_resources),
312 .resource = zeus_serial_resources,
313};
314
315
316static struct resource zeus_dm9k0_resource[] = {
317 [0] = {
318 .start = ZEUS_ETH0_PHYS,
319 .end = ZEUS_ETH0_PHYS + 1,
320 .flags = IORESOURCE_MEM
321 },
322 [1] = {
323 .start = ZEUS_ETH0_PHYS + 2,
324 .end = ZEUS_ETH0_PHYS + 3,
325 .flags = IORESOURCE_MEM
326 },
327 [2] = {
328 .start = PXA_GPIO_TO_IRQ(ZEUS_ETH0_GPIO),
329 .end = PXA_GPIO_TO_IRQ(ZEUS_ETH0_GPIO),
330 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
331 },
332};
333
334static struct resource zeus_dm9k1_resource[] = {
335 [0] = {
336 .start = ZEUS_ETH1_PHYS,
337 .end = ZEUS_ETH1_PHYS + 1,
338 .flags = IORESOURCE_MEM
339 },
340 [1] = {
341 .start = ZEUS_ETH1_PHYS + 2,
342 .end = ZEUS_ETH1_PHYS + 3,
343 .flags = IORESOURCE_MEM,
344 },
345 [2] = {
346 .start = PXA_GPIO_TO_IRQ(ZEUS_ETH1_GPIO),
347 .end = PXA_GPIO_TO_IRQ(ZEUS_ETH1_GPIO),
348 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
349 },
350};
351
352static struct dm9000_plat_data zeus_dm9k_platdata = {
353 .flags = DM9000_PLATF_16BITONLY,
354};
355
356static struct platform_device zeus_dm9k0_device = {
357 .name = "dm9000",
358 .id = 0,
359 .num_resources = ARRAY_SIZE(zeus_dm9k0_resource),
360 .resource = zeus_dm9k0_resource,
361 .dev = {
362 .platform_data = &zeus_dm9k_platdata,
363 }
364};
365
366static struct platform_device zeus_dm9k1_device = {
367 .name = "dm9000",
368 .id = 1,
369 .num_resources = ARRAY_SIZE(zeus_dm9k1_resource),
370 .resource = zeus_dm9k1_resource,
371 .dev = {
372 .platform_data = &zeus_dm9k_platdata,
373 }
374};
375
376
377static struct resource zeus_sram_resource = {
378 .start = ZEUS_SRAM_PHYS,
379 .end = ZEUS_SRAM_PHYS + ZEUS_SRAM_SIZE * 2 - 1,
380 .flags = IORESOURCE_MEM,
381};
382
383static struct platform_device zeus_sram_device = {
384 .name = "pxa2xx-8bit-sram",
385 .id = 0,
386 .num_resources = 1,
387 .resource = &zeus_sram_resource,
388};
389
390
391static struct pxa2xx_spi_controller pxa2xx_spi_ssp3_master_info = {
392 .num_chipselect = 1,
393 .enable_dma = 1,
394};
395
396
397static struct regulator_consumer_supply can_regulator_consumer =
398 REGULATOR_SUPPLY("vdd", "spi3.0");
399
400static struct regulator_init_data can_regulator_init_data = {
401 .constraints = {
402 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
403 },
404 .consumer_supplies = &can_regulator_consumer,
405 .num_consumer_supplies = 1,
406};
407
408static struct fixed_voltage_config can_regulator_pdata = {
409 .supply_name = "CAN_SHDN",
410 .microvolts = 3300000,
411 .init_data = &can_regulator_init_data,
412};
413
414static struct platform_device can_regulator_device = {
415 .name = "reg-fixed-voltage",
416 .id = 0,
417 .dev = {
418 .platform_data = &can_regulator_pdata,
419 },
420};
421
422static struct gpiod_lookup_table can_regulator_gpiod_table = {
423 .dev_id = "reg-fixed-voltage.0",
424 .table = {
425 GPIO_LOOKUP("gpio-pxa", ZEUS_CAN_SHDN_GPIO,
426 NULL, GPIO_ACTIVE_LOW),
427 { },
428 },
429};
430
431static const struct property_entry mcp251x_properties[] = {
432 PROPERTY_ENTRY_U32("clock-frequency", 16000000),
433 {}
434};
435
436static const struct software_node mcp251x_node = {
437 .properties = mcp251x_properties,
438};
439
440static struct spi_board_info zeus_spi_board_info[] = {
441 [0] = {
442 .modalias = "mcp2515",
443 .swnode = &mcp251x_node,
444 .irq = PXA_GPIO_TO_IRQ(ZEUS_CAN_GPIO),
445 .max_speed_hz = 1*1000*1000,
446 .bus_num = 3,
447 .mode = SPI_MODE_0,
448 .chip_select = 0,
449 },
450};
451
452
453static struct gpio_led zeus_leds[] = {
454 [0] = {
455 .name = "zeus:yellow:1",
456 .default_trigger = "heartbeat",
457 .gpio = ZEUS_EXT0_GPIO(3),
458 .active_low = 1,
459 },
460 [1] = {
461 .name = "zeus:yellow:2",
462 .default_trigger = "default-on",
463 .gpio = ZEUS_EXT0_GPIO(4),
464 .active_low = 1,
465 },
466 [2] = {
467 .name = "zeus:yellow:3",
468 .default_trigger = "default-on",
469 .gpio = ZEUS_EXT0_GPIO(5),
470 .active_low = 1,
471 },
472};
473
474static struct gpio_led_platform_data zeus_leds_info = {
475 .leds = zeus_leds,
476 .num_leds = ARRAY_SIZE(zeus_leds),
477};
478
479static struct platform_device zeus_leds_device = {
480 .name = "leds-gpio",
481 .id = -1,
482 .dev = {
483 .platform_data = &zeus_leds_info,
484 },
485};
486
487static void zeus_cf_reset(int state)
488{
489 u16 cpld_state = __raw_readw(ZEUS_CPLD_CONTROL);
490
491 if (state)
492 cpld_state |= ZEUS_CPLD_CONTROL_CF_RST;
493 else
494 cpld_state &= ~ZEUS_CPLD_CONTROL_CF_RST;
495
496 __raw_writew(cpld_state, ZEUS_CPLD_CONTROL);
497}
498
499static struct arcom_pcmcia_pdata zeus_pcmcia_info = {
500 .cd_gpio = ZEUS_CF_CD_GPIO,
501 .rdy_gpio = ZEUS_CF_RDY_GPIO,
502 .pwr_gpio = ZEUS_CF_PWEN_GPIO,
503 .reset = zeus_cf_reset,
504};
505
506static struct platform_device zeus_pcmcia_device = {
507 .name = "zeus-pcmcia",
508 .id = -1,
509 .dev = {
510 .platform_data = &zeus_pcmcia_info,
511 },
512};
513
514static struct resource zeus_max6369_resource = {
515 .start = ZEUS_CPLD_EXTWDOG_PHYS,
516 .end = ZEUS_CPLD_EXTWDOG_PHYS,
517 .flags = IORESOURCE_MEM,
518};
519
520struct platform_device zeus_max6369_device = {
521 .name = "max6369_wdt",
522 .id = -1,
523 .resource = &zeus_max6369_resource,
524 .num_resources = 1,
525};
526
527
528static pxa2xx_audio_ops_t zeus_ac97_info = {
529 .reset_gpio = 95,
530};
531
532
533
534
535
536
537static struct regulator_consumer_supply zeus_ohci_regulator_supplies[] = {
538 REGULATOR_SUPPLY("vbus2", "pxa27x-ohci"),
539};
540
541static struct regulator_init_data zeus_ohci_regulator_data = {
542 .constraints = {
543 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
544 },
545 .num_consumer_supplies = ARRAY_SIZE(zeus_ohci_regulator_supplies),
546 .consumer_supplies = zeus_ohci_regulator_supplies,
547};
548
549static struct fixed_voltage_config zeus_ohci_regulator_config = {
550 .supply_name = "vbus2",
551 .microvolts = 5000000,
552 .startup_delay = 0,
553 .init_data = &zeus_ohci_regulator_data,
554};
555
556static struct platform_device zeus_ohci_regulator_device = {
557 .name = "reg-fixed-voltage",
558 .id = 1,
559 .dev = {
560 .platform_data = &zeus_ohci_regulator_config,
561 },
562};
563
564static struct gpiod_lookup_table zeus_ohci_regulator_gpiod_table = {
565 .dev_id = "reg-fixed-voltage.0",
566 .table = {
567 GPIO_LOOKUP("gpio-pxa", ZEUS_USB2_PWREN_GPIO,
568 NULL, GPIO_ACTIVE_HIGH),
569 { },
570 },
571};
572
573static struct pxaohci_platform_data zeus_ohci_platform_data = {
574 .port_mode = PMM_NPS_MODE,
575
576
577 .flags = ENABLE_PORT_ALL | POWER_SENSE_LOW,
578};
579
580static void __init zeus_register_ohci(void)
581{
582
583 UP2OCR = UP2OCR_HXOE | UP2OCR_HXS | UP2OCR_DMPDE | UP2OCR_DPPDE;
584
585 pxa_set_ohci_info(&zeus_ohci_platform_data);
586}
587
588
589
590
591
592static void zeus_lcd_power(int on, struct fb_var_screeninfo *si)
593{
594 gpio_set_value(ZEUS_LCD_EN_GPIO, on);
595}
596
597static void zeus_backlight_power(int on)
598{
599 gpio_set_value(ZEUS_BKLEN_GPIO, on);
600}
601
602static int zeus_setup_fb_gpios(void)
603{
604 int err;
605
606 if ((err = gpio_request(ZEUS_LCD_EN_GPIO, "LCD_EN")))
607 goto out_err;
608
609 if ((err = gpio_direction_output(ZEUS_LCD_EN_GPIO, 0)))
610 goto out_err_lcd;
611
612 if ((err = gpio_request(ZEUS_BKLEN_GPIO, "BKLEN")))
613 goto out_err_lcd;
614
615 if ((err = gpio_direction_output(ZEUS_BKLEN_GPIO, 0)))
616 goto out_err_bkl;
617
618 return 0;
619
620out_err_bkl:
621 gpio_free(ZEUS_BKLEN_GPIO);
622out_err_lcd:
623 gpio_free(ZEUS_LCD_EN_GPIO);
624out_err:
625 return err;
626}
627
628static struct pxafb_mode_info zeus_fb_mode_info[] = {
629 {
630 .pixclock = 39722,
631
632 .xres = 640,
633 .yres = 480,
634
635 .bpp = 16,
636
637 .hsync_len = 63,
638 .left_margin = 16,
639 .right_margin = 81,
640
641 .vsync_len = 2,
642 .upper_margin = 12,
643 .lower_margin = 31,
644
645 .sync = 0,
646 },
647};
648
649static struct pxafb_mach_info zeus_fb_info = {
650 .modes = zeus_fb_mode_info,
651 .num_modes = 1,
652 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
653 .pxafb_lcd_power = zeus_lcd_power,
654 .pxafb_backlight_power = zeus_backlight_power,
655};
656
657
658
659
660
661
662
663
664static struct pxamci_platform_data zeus_mci_platform_data = {
665 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
666 .detect_delay_ms = 250,
667 .gpio_card_ro_invert = 1,
668};
669
670static struct gpiod_lookup_table zeus_mci_gpio_table = {
671 .dev_id = "pxa2xx-mci.0",
672 .table = {
673 GPIO_LOOKUP("gpio-pxa", ZEUS_MMC_CD_GPIO,
674 "cd", GPIO_ACTIVE_LOW),
675 GPIO_LOOKUP("gpio-pxa", ZEUS_MMC_WP_GPIO,
676 "wp", GPIO_ACTIVE_HIGH),
677 { },
678 },
679};
680
681
682
683
684static void zeus_udc_command(int cmd)
685{
686 switch (cmd) {
687 case PXA2XX_UDC_CMD_DISCONNECT:
688 pr_info("zeus: disconnecting USB client\n");
689 UP2OCR = UP2OCR_HXOE | UP2OCR_HXS | UP2OCR_DMPDE | UP2OCR_DPPDE;
690 break;
691
692 case PXA2XX_UDC_CMD_CONNECT:
693 pr_info("zeus: connecting USB client\n");
694 UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE;
695 break;
696 }
697}
698
699static struct pxa2xx_udc_mach_info zeus_udc_info = {
700 .udc_command = zeus_udc_command,
701};
702
703static struct platform_device *zeus_devices[] __initdata = {
704 &zeus_serial_device,
705 &zeus_mtd_devices[0],
706 &zeus_dm9k0_device,
707 &zeus_dm9k1_device,
708 &zeus_sram_device,
709 &zeus_leds_device,
710 &zeus_pcmcia_device,
711 &zeus_max6369_device,
712 &can_regulator_device,
713 &zeus_ohci_regulator_device,
714};
715
716#ifdef CONFIG_PM
717static void zeus_power_off(void)
718{
719 local_irq_disable();
720 cpu_suspend(PWRMODE_DEEPSLEEP, pxa27x_finish_suspend);
721}
722#else
723#define zeus_power_off NULL
724#endif
725
726#ifdef CONFIG_APM_EMULATION
727static void zeus_get_power_status(struct apm_power_info *info)
728{
729
730 info->ac_line_status = APM_AC_ONLINE;
731 info->battery_status = APM_BATTERY_STATUS_NOT_PRESENT;
732 info->battery_flag = APM_BATTERY_FLAG_NOT_PRESENT;
733}
734
735static inline void zeus_setup_apm(void)
736{
737 apm_get_power_status = zeus_get_power_status;
738}
739#else
740static inline void zeus_setup_apm(void)
741{
742}
743#endif
744
745static int zeus_get_pcb_info(struct i2c_client *client, unsigned gpio,
746 unsigned ngpio, void *context)
747{
748 int i;
749 u8 pcb_info = 0;
750
751 for (i = 0; i < 8; i++) {
752 int pcb_bit = gpio + i + 8;
753
754 if (gpio_request(pcb_bit, "pcb info")) {
755 dev_err(&client->dev, "Can't request pcb info %d\n", i);
756 continue;
757 }
758
759 if (gpio_direction_input(pcb_bit)) {
760 dev_err(&client->dev, "Can't read pcb info %d\n", i);
761 gpio_free(pcb_bit);
762 continue;
763 }
764
765 pcb_info |= !!gpio_get_value(pcb_bit) << i;
766
767 gpio_free(pcb_bit);
768 }
769
770 dev_info(&client->dev, "Zeus PCB version %d issue %d\n",
771 pcb_info >> 4, pcb_info & 0xf);
772
773 return 0;
774}
775
776static struct pca953x_platform_data zeus_pca953x_pdata[] = {
777 [0] = { .gpio_base = ZEUS_EXT0_GPIO_BASE, },
778 [1] = {
779 .gpio_base = ZEUS_EXT1_GPIO_BASE,
780 .setup = zeus_get_pcb_info,
781 },
782 [2] = { .gpio_base = ZEUS_USER_GPIO_BASE, },
783};
784
785static struct i2c_board_info __initdata zeus_i2c_devices[] = {
786 {
787 I2C_BOARD_INFO("pca9535", 0x21),
788 .platform_data = &zeus_pca953x_pdata[0],
789 },
790 {
791 I2C_BOARD_INFO("pca9535", 0x22),
792 .platform_data = &zeus_pca953x_pdata[1],
793 },
794 {
795 I2C_BOARD_INFO("pca9535", 0x20),
796 .platform_data = &zeus_pca953x_pdata[2],
797 .irq = PXA_GPIO_TO_IRQ(ZEUS_EXTGPIO_GPIO),
798 },
799 { I2C_BOARD_INFO("lm75a", 0x48) },
800 { I2C_BOARD_INFO("24c01", 0x50) },
801 { I2C_BOARD_INFO("isl1208", 0x6f) },
802};
803
804static mfp_cfg_t zeus_pin_config[] __initdata = {
805
806 GPIO28_AC97_BITCLK,
807 GPIO29_AC97_SDATA_IN_0,
808 GPIO30_AC97_SDATA_OUT,
809 GPIO31_AC97_SYNC,
810
811 GPIO15_nCS_1,
812 GPIO78_nCS_2,
813 GPIO80_nCS_4,
814 GPIO33_nCS_5,
815
816 GPIO22_GPIO,
817 GPIO32_MMC_CLK,
818 GPIO92_MMC_DAT_0,
819 GPIO109_MMC_DAT_1,
820 GPIO110_MMC_DAT_2,
821 GPIO111_MMC_DAT_3,
822 GPIO112_MMC_CMD,
823
824 GPIO88_USBH1_PWR,
825 GPIO89_USBH1_PEN,
826 GPIO119_USBH2_PWR,
827 GPIO120_USBH2_PEN,
828
829 GPIO86_LCD_LDD_16,
830 GPIO87_LCD_LDD_17,
831
832 GPIO102_GPIO,
833 GPIO104_CIF_DD_2,
834 GPIO105_CIF_DD_1,
835
836 GPIO81_SSP3_TXD,
837 GPIO82_SSP3_RXD,
838 GPIO83_SSP3_SFRM,
839 GPIO84_SSP3_SCLK,
840
841 GPIO48_nPOE,
842 GPIO49_nPWE,
843 GPIO50_nPIOR,
844 GPIO51_nPIOW,
845 GPIO85_nPCE_1,
846 GPIO54_nPCE_2,
847 GPIO79_PSKTSEL,
848 GPIO55_nPREG,
849 GPIO56_nPWAIT,
850 GPIO57_nIOIS16,
851 GPIO36_GPIO,
852 GPIO97_GPIO,
853 GPIO99_GPIO,
854};
855
856
857
858
859
860
861
862
863#define DM9K_MSC_VALUE 0xe4c9
864
865static void __init zeus_init(void)
866{
867 u16 dm9000_msc = DM9K_MSC_VALUE;
868 u32 msc0, msc1;
869
870 system_rev = __raw_readw(ZEUS_CPLD_VERSION);
871 pr_info("Zeus CPLD V%dI%d\n", (system_rev & 0xf0) >> 4, (system_rev & 0x0f));
872
873
874 msc0 = (__raw_readl(MSC0) & 0x0000ffff) | (dm9000_msc << 16);
875 msc1 = (__raw_readl(MSC1) & 0xffff0000) | dm9000_msc;
876 __raw_writel(msc0, MSC0);
877 __raw_writel(msc1, MSC1);
878
879 pm_power_off = zeus_power_off;
880 zeus_setup_apm();
881
882 pxa2xx_mfp_config(ARRAY_AND_SIZE(zeus_pin_config));
883
884 gpiod_add_lookup_table(&can_regulator_gpiod_table);
885 gpiod_add_lookup_table(&zeus_ohci_regulator_gpiod_table);
886 platform_add_devices(zeus_devices, ARRAY_SIZE(zeus_devices));
887
888 zeus_register_ohci();
889
890 if (zeus_setup_fb_gpios())
891 pr_err("Failed to setup fb gpios\n");
892 else
893 pxa_set_fb_info(NULL, &zeus_fb_info);
894
895 gpiod_add_lookup_table(&zeus_mci_gpio_table);
896 pxa_set_mci_info(&zeus_mci_platform_data);
897 pxa_set_udc_info(&zeus_udc_info);
898 pxa_set_ac97_info(&zeus_ac97_info);
899 pxa_set_i2c_info(NULL);
900 i2c_register_board_info(0, ARRAY_AND_SIZE(zeus_i2c_devices));
901 pxa2xx_set_spi_info(3, &pxa2xx_spi_ssp3_master_info);
902 spi_register_board_info(zeus_spi_board_info, ARRAY_SIZE(zeus_spi_board_info));
903
904 regulator_has_full_constraints();
905}
906
907static struct map_desc zeus_io_desc[] __initdata = {
908 {
909 .virtual = (unsigned long)ZEUS_CPLD_VERSION,
910 .pfn = __phys_to_pfn(ZEUS_CPLD_VERSION_PHYS),
911 .length = 0x1000,
912 .type = MT_DEVICE,
913 },
914 {
915 .virtual = (unsigned long)ZEUS_CPLD_ISA_IRQ,
916 .pfn = __phys_to_pfn(ZEUS_CPLD_ISA_IRQ_PHYS),
917 .length = 0x1000,
918 .type = MT_DEVICE,
919 },
920 {
921 .virtual = (unsigned long)ZEUS_CPLD_CONTROL,
922 .pfn = __phys_to_pfn(ZEUS_CPLD_CONTROL_PHYS),
923 .length = 0x1000,
924 .type = MT_DEVICE,
925 },
926 {
927 .virtual = (unsigned long)ZEUS_PC104IO,
928 .pfn = __phys_to_pfn(ZEUS_PC104IO_PHYS),
929 .length = 0x00800000,
930 .type = MT_DEVICE,
931 },
932};
933
934static void __init zeus_map_io(void)
935{
936 pxa27x_map_io();
937
938 iotable_init(zeus_io_desc, ARRAY_SIZE(zeus_io_desc));
939
940
941 PMCR = PSPR = 0;
942
943
944 writel(readl(OSCC) | OSCC_OON, OSCC);
945
946
947
948 PCFR = PCFR_OPDE | PCFR_DC_EN | PCFR_FS | PCFR_FP;
949}
950
951MACHINE_START(ARCOM_ZEUS, "Arcom/Eurotech ZEUS")
952
953 .atag_offset = 0x100,
954 .map_io = zeus_map_io,
955 .nr_irqs = ZEUS_NR_IRQS,
956 .init_irq = zeus_init_irq,
957 .handle_irq = pxa27x_handle_irq,
958 .init_time = pxa_timer_init,
959 .init_machine = zeus_init,
960 .restart = pxa_restart,
961MACHINE_END
962
963
