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17#include <linux/kernel.h>
18#include <linux/init.h>
19#include <linux/platform_device.h>
20#include <linux/interrupt.h>
21#include <linux/dma-mapping.h>
22#include <linux/timex.h>
23#include <linux/io.h>
24#include <linux/gpio.h>
25#include <linux/leds.h>
26#include <linux/termios.h>
27#include <linux/amba/bus.h>
28#include <linux/amba/serial.h>
29#include <linux/i2c.h>
30#include <linux/i2c-gpio.h>
31
32#include <mach/hardware.h>
33#include <mach/fb.h>
34
35#include <asm/mach/map.h>
36#include <asm/mach/time.h>
37#include <asm/mach/irq.h>
38
39#include <asm/hardware/vic.h>
40
41
42
43
44
45static struct map_desc ep93xx_io_desc[] __initdata = {
46 {
47 .virtual = EP93XX_AHB_VIRT_BASE,
48 .pfn = __phys_to_pfn(EP93XX_AHB_PHYS_BASE),
49 .length = EP93XX_AHB_SIZE,
50 .type = MT_DEVICE,
51 }, {
52 .virtual = EP93XX_APB_VIRT_BASE,
53 .pfn = __phys_to_pfn(EP93XX_APB_PHYS_BASE),
54 .length = EP93XX_APB_SIZE,
55 .type = MT_DEVICE,
56 },
57};
58
59void __init ep93xx_map_io(void)
60{
61 iotable_init(ep93xx_io_desc, ARRAY_SIZE(ep93xx_io_desc));
62}
63
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83
84static unsigned int last_jiffy_time;
85
86#define TIMER4_TICKS_PER_JIFFY DIV_ROUND_CLOSEST(CLOCK_TICK_RATE, HZ)
87
88static irqreturn_t ep93xx_timer_interrupt(int irq, void *dev_id)
89{
90 __raw_writel(1, EP93XX_TIMER1_CLEAR);
91 while ((signed long)
92 (__raw_readl(EP93XX_TIMER4_VALUE_LOW) - last_jiffy_time)
93 >= TIMER4_TICKS_PER_JIFFY) {
94 last_jiffy_time += TIMER4_TICKS_PER_JIFFY;
95 timer_tick();
96 }
97
98 return IRQ_HANDLED;
99}
100
101static struct irqaction ep93xx_timer_irq = {
102 .name = "ep93xx timer",
103 .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
104 .handler = ep93xx_timer_interrupt,
105};
106
107static void __init ep93xx_timer_init(void)
108{
109
110 __raw_writel(0x48, EP93XX_TIMER1_CONTROL);
111 __raw_writel((508469 / HZ) - 1, EP93XX_TIMER1_LOAD);
112 __raw_writel(0xc8, EP93XX_TIMER1_CONTROL);
113
114
115 __raw_writel(0x100, EP93XX_TIMER4_VALUE_HIGH);
116
117 setup_irq(IRQ_EP93XX_TIMER1, &ep93xx_timer_irq);
118}
119
120static unsigned long ep93xx_gettimeoffset(void)
121{
122 int offset;
123
124 offset = __raw_readl(EP93XX_TIMER4_VALUE_LOW) - last_jiffy_time;
125
126
127 return offset + (53 * offset / 3072);
128}
129
130struct sys_timer ep93xx_timer = {
131 .init = ep93xx_timer_init,
132 .offset = ep93xx_gettimeoffset,
133};
134
135
136
137
138
139static unsigned char gpio_int_unmasked[3];
140static unsigned char gpio_int_enabled[3];
141static unsigned char gpio_int_type1[3];
142static unsigned char gpio_int_type2[3];
143static unsigned char gpio_int_debounce[3];
144
145
146static const u8 int_type1_register_offset[3] = { 0x90, 0xac, 0x4c };
147static const u8 int_type2_register_offset[3] = { 0x94, 0xb0, 0x50 };
148static const u8 eoi_register_offset[3] = { 0x98, 0xb4, 0x54 };
149static const u8 int_en_register_offset[3] = { 0x9c, 0xb8, 0x58 };
150static const u8 int_debounce_register_offset[3] = { 0xa8, 0xc4, 0x64 };
151
152void ep93xx_gpio_update_int_params(unsigned port)
153{
154 BUG_ON(port > 2);
155
156 __raw_writeb(0, EP93XX_GPIO_REG(int_en_register_offset[port]));
157
158 __raw_writeb(gpio_int_type2[port],
159 EP93XX_GPIO_REG(int_type2_register_offset[port]));
160
161 __raw_writeb(gpio_int_type1[port],
162 EP93XX_GPIO_REG(int_type1_register_offset[port]));
163
164 __raw_writeb(gpio_int_unmasked[port] & gpio_int_enabled[port],
165 EP93XX_GPIO_REG(int_en_register_offset[port]));
166}
167
168void ep93xx_gpio_int_mask(unsigned line)
169{
170 gpio_int_unmasked[line >> 3] &= ~(1 << (line & 7));
171}
172
173void ep93xx_gpio_int_debounce(unsigned int irq, int enable)
174{
175 int line = irq_to_gpio(irq);
176 int port = line >> 3;
177 int port_mask = 1 << (line & 7);
178
179 if (enable)
180 gpio_int_debounce[port] |= port_mask;
181 else
182 gpio_int_debounce[port] &= ~port_mask;
183
184 __raw_writeb(gpio_int_debounce[port],
185 EP93XX_GPIO_REG(int_debounce_register_offset[port]));
186}
187EXPORT_SYMBOL(ep93xx_gpio_int_debounce);
188
189
190
191
192static void ep93xx_gpio_ab_irq_handler(unsigned int irq, struct irq_desc *desc)
193{
194 unsigned char status;
195 int i;
196
197 status = __raw_readb(EP93XX_GPIO_A_INT_STATUS);
198 for (i = 0; i < 8; i++) {
199 if (status & (1 << i)) {
200 int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_A(0)) + i;
201 generic_handle_irq(gpio_irq);
202 }
203 }
204
205 status = __raw_readb(EP93XX_GPIO_B_INT_STATUS);
206 for (i = 0; i < 8; i++) {
207 if (status & (1 << i)) {
208 int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_B(0)) + i;
209 generic_handle_irq(gpio_irq);
210 }
211 }
212}
213
214static void ep93xx_gpio_f_irq_handler(unsigned int irq, struct irq_desc *desc)
215{
216
217
218
219
220
221 int port_f_idx = ((irq + 1) & 7) ^ 4;
222 int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_F(0)) + port_f_idx;
223
224 generic_handle_irq(gpio_irq);
225}
226
227static void ep93xx_gpio_irq_ack(unsigned int irq)
228{
229 int line = irq_to_gpio(irq);
230 int port = line >> 3;
231 int port_mask = 1 << (line & 7);
232
233 if ((irq_desc[irq].status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) {
234 gpio_int_type2[port] ^= port_mask;
235 ep93xx_gpio_update_int_params(port);
236 }
237
238 __raw_writeb(port_mask, EP93XX_GPIO_REG(eoi_register_offset[port]));
239}
240
241static void ep93xx_gpio_irq_mask_ack(unsigned int irq)
242{
243 int line = irq_to_gpio(irq);
244 int port = line >> 3;
245 int port_mask = 1 << (line & 7);
246
247 if ((irq_desc[irq].status & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH)
248 gpio_int_type2[port] ^= port_mask;
249
250 gpio_int_unmasked[port] &= ~port_mask;
251 ep93xx_gpio_update_int_params(port);
252
253 __raw_writeb(port_mask, EP93XX_GPIO_REG(eoi_register_offset[port]));
254}
255
256static void ep93xx_gpio_irq_mask(unsigned int irq)
257{
258 int line = irq_to_gpio(irq);
259 int port = line >> 3;
260
261 gpio_int_unmasked[port] &= ~(1 << (line & 7));
262 ep93xx_gpio_update_int_params(port);
263}
264
265static void ep93xx_gpio_irq_unmask(unsigned int irq)
266{
267 int line = irq_to_gpio(irq);
268 int port = line >> 3;
269
270 gpio_int_unmasked[port] |= 1 << (line & 7);
271 ep93xx_gpio_update_int_params(port);
272}
273
274
275
276
277
278
279
280static int ep93xx_gpio_irq_type(unsigned int irq, unsigned int type)
281{
282 struct irq_desc *desc = irq_desc + irq;
283 const int gpio = irq_to_gpio(irq);
284 const int port = gpio >> 3;
285 const int port_mask = 1 << (gpio & 7);
286
287 gpio_direction_input(gpio);
288
289 switch (type) {
290 case IRQ_TYPE_EDGE_RISING:
291 gpio_int_type1[port] |= port_mask;
292 gpio_int_type2[port] |= port_mask;
293 desc->handle_irq = handle_edge_irq;
294 break;
295 case IRQ_TYPE_EDGE_FALLING:
296 gpio_int_type1[port] |= port_mask;
297 gpio_int_type2[port] &= ~port_mask;
298 desc->handle_irq = handle_edge_irq;
299 break;
300 case IRQ_TYPE_LEVEL_HIGH:
301 gpio_int_type1[port] &= ~port_mask;
302 gpio_int_type2[port] |= port_mask;
303 desc->handle_irq = handle_level_irq;
304 break;
305 case IRQ_TYPE_LEVEL_LOW:
306 gpio_int_type1[port] &= ~port_mask;
307 gpio_int_type2[port] &= ~port_mask;
308 desc->handle_irq = handle_level_irq;
309 break;
310 case IRQ_TYPE_EDGE_BOTH:
311 gpio_int_type1[port] |= port_mask;
312
313 if (gpio_get_value(gpio))
314 gpio_int_type2[port] &= ~port_mask;
315 else
316 gpio_int_type2[port] |= port_mask;
317 desc->handle_irq = handle_edge_irq;
318 break;
319 default:
320 pr_err("ep93xx: failed to set irq type %d for gpio %d\n",
321 type, gpio);
322 return -EINVAL;
323 }
324
325 gpio_int_enabled[port] |= port_mask;
326
327 desc->status &= ~IRQ_TYPE_SENSE_MASK;
328 desc->status |= type & IRQ_TYPE_SENSE_MASK;
329
330 ep93xx_gpio_update_int_params(port);
331
332 return 0;
333}
334
335static struct irq_chip ep93xx_gpio_irq_chip = {
336 .name = "GPIO",
337 .ack = ep93xx_gpio_irq_ack,
338 .mask_ack = ep93xx_gpio_irq_mask_ack,
339 .mask = ep93xx_gpio_irq_mask,
340 .unmask = ep93xx_gpio_irq_unmask,
341 .set_type = ep93xx_gpio_irq_type,
342};
343
344
345void __init ep93xx_init_irq(void)
346{
347 int gpio_irq;
348
349 vic_init(EP93XX_VIC1_BASE, 0, EP93XX_VIC1_VALID_IRQ_MASK, 0);
350 vic_init(EP93XX_VIC2_BASE, 32, EP93XX_VIC2_VALID_IRQ_MASK, 0);
351
352 for (gpio_irq = gpio_to_irq(0);
353 gpio_irq <= gpio_to_irq(EP93XX_GPIO_LINE_MAX_IRQ); ++gpio_irq) {
354 set_irq_chip(gpio_irq, &ep93xx_gpio_irq_chip);
355 set_irq_handler(gpio_irq, handle_level_irq);
356 set_irq_flags(gpio_irq, IRQF_VALID);
357 }
358
359 set_irq_chained_handler(IRQ_EP93XX_GPIO_AB, ep93xx_gpio_ab_irq_handler);
360 set_irq_chained_handler(IRQ_EP93XX_GPIO0MUX, ep93xx_gpio_f_irq_handler);
361 set_irq_chained_handler(IRQ_EP93XX_GPIO1MUX, ep93xx_gpio_f_irq_handler);
362 set_irq_chained_handler(IRQ_EP93XX_GPIO2MUX, ep93xx_gpio_f_irq_handler);
363 set_irq_chained_handler(IRQ_EP93XX_GPIO3MUX, ep93xx_gpio_f_irq_handler);
364 set_irq_chained_handler(IRQ_EP93XX_GPIO4MUX, ep93xx_gpio_f_irq_handler);
365 set_irq_chained_handler(IRQ_EP93XX_GPIO5MUX, ep93xx_gpio_f_irq_handler);
366 set_irq_chained_handler(IRQ_EP93XX_GPIO6MUX, ep93xx_gpio_f_irq_handler);
367 set_irq_chained_handler(IRQ_EP93XX_GPIO7MUX, ep93xx_gpio_f_irq_handler);
368}
369
370
371
372
373
374
375
376
377
378
379static DEFINE_SPINLOCK(syscon_swlock);
380
381void ep93xx_syscon_swlocked_write(unsigned int val, void __iomem *reg)
382{
383 unsigned long flags;
384
385 spin_lock_irqsave(&syscon_swlock, flags);
386
387 __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
388 __raw_writel(val, reg);
389
390 spin_unlock_irqrestore(&syscon_swlock, flags);
391}
392EXPORT_SYMBOL(ep93xx_syscon_swlocked_write);
393
394void ep93xx_devcfg_set_clear(unsigned int set_bits, unsigned int clear_bits)
395{
396 unsigned long flags;
397 unsigned int val;
398
399 spin_lock_irqsave(&syscon_swlock, flags);
400
401 val = __raw_readl(EP93XX_SYSCON_DEVCFG);
402 val |= set_bits;
403 val &= ~clear_bits;
404 __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
405 __raw_writel(val, EP93XX_SYSCON_DEVCFG);
406
407 spin_unlock_irqrestore(&syscon_swlock, flags);
408}
409EXPORT_SYMBOL(ep93xx_devcfg_set_clear);
410
411
412
413
414
415#define EP93XX_UART_MCR_OFFSET (0x0100)
416
417static void ep93xx_uart_set_mctrl(struct amba_device *dev,
418 void __iomem *base, unsigned int mctrl)
419{
420 unsigned int mcr;
421
422 mcr = 0;
423 if (!(mctrl & TIOCM_RTS))
424 mcr |= 2;
425 if (!(mctrl & TIOCM_DTR))
426 mcr |= 1;
427
428 __raw_writel(mcr, base + EP93XX_UART_MCR_OFFSET);
429}
430
431static struct amba_pl010_data ep93xx_uart_data = {
432 .set_mctrl = ep93xx_uart_set_mctrl,
433};
434
435static struct amba_device uart1_device = {
436 .dev = {
437 .init_name = "apb:uart1",
438 .platform_data = &ep93xx_uart_data,
439 },
440 .res = {
441 .start = EP93XX_UART1_PHYS_BASE,
442 .end = EP93XX_UART1_PHYS_BASE + 0x0fff,
443 .flags = IORESOURCE_MEM,
444 },
445 .irq = { IRQ_EP93XX_UART1, NO_IRQ },
446 .periphid = 0x00041010,
447};
448
449static struct amba_device uart2_device = {
450 .dev = {
451 .init_name = "apb:uart2",
452 .platform_data = &ep93xx_uart_data,
453 },
454 .res = {
455 .start = EP93XX_UART2_PHYS_BASE,
456 .end = EP93XX_UART2_PHYS_BASE + 0x0fff,
457 .flags = IORESOURCE_MEM,
458 },
459 .irq = { IRQ_EP93XX_UART2, NO_IRQ },
460 .periphid = 0x00041010,
461};
462
463static struct amba_device uart3_device = {
464 .dev = {
465 .init_name = "apb:uart3",
466 .platform_data = &ep93xx_uart_data,
467 },
468 .res = {
469 .start = EP93XX_UART3_PHYS_BASE,
470 .end = EP93XX_UART3_PHYS_BASE + 0x0fff,
471 .flags = IORESOURCE_MEM,
472 },
473 .irq = { IRQ_EP93XX_UART3, NO_IRQ },
474 .periphid = 0x00041010,
475};
476
477
478static struct resource ep93xx_rtc_resource[] = {
479 {
480 .start = EP93XX_RTC_PHYS_BASE,
481 .end = EP93XX_RTC_PHYS_BASE + 0x10c - 1,
482 .flags = IORESOURCE_MEM,
483 },
484};
485
486static struct platform_device ep93xx_rtc_device = {
487 .name = "ep93xx-rtc",
488 .id = -1,
489 .num_resources = ARRAY_SIZE(ep93xx_rtc_resource),
490 .resource = ep93xx_rtc_resource,
491};
492
493
494static struct resource ep93xx_ohci_resources[] = {
495 [0] = {
496 .start = EP93XX_USB_PHYS_BASE,
497 .end = EP93XX_USB_PHYS_BASE + 0x0fff,
498 .flags = IORESOURCE_MEM,
499 },
500 [1] = {
501 .start = IRQ_EP93XX_USB,
502 .end = IRQ_EP93XX_USB,
503 .flags = IORESOURCE_IRQ,
504 },
505};
506
507
508static struct platform_device ep93xx_ohci_device = {
509 .name = "ep93xx-ohci",
510 .id = -1,
511 .dev = {
512 .dma_mask = &ep93xx_ohci_device.dev.coherent_dma_mask,
513 .coherent_dma_mask = DMA_BIT_MASK(32),
514 },
515 .num_resources = ARRAY_SIZE(ep93xx_ohci_resources),
516 .resource = ep93xx_ohci_resources,
517};
518
519static struct ep93xx_eth_data ep93xx_eth_data;
520
521static struct resource ep93xx_eth_resource[] = {
522 {
523 .start = EP93XX_ETHERNET_PHYS_BASE,
524 .end = EP93XX_ETHERNET_PHYS_BASE + 0xffff,
525 .flags = IORESOURCE_MEM,
526 }, {
527 .start = IRQ_EP93XX_ETHERNET,
528 .end = IRQ_EP93XX_ETHERNET,
529 .flags = IORESOURCE_IRQ,
530 }
531};
532
533static struct platform_device ep93xx_eth_device = {
534 .name = "ep93xx-eth",
535 .id = -1,
536 .dev = {
537 .platform_data = &ep93xx_eth_data,
538 },
539 .num_resources = ARRAY_SIZE(ep93xx_eth_resource),
540 .resource = ep93xx_eth_resource,
541};
542
543void __init ep93xx_register_eth(struct ep93xx_eth_data *data, int copy_addr)
544{
545 if (copy_addr)
546 memcpy_fromio(data->dev_addr, EP93XX_ETHERNET_BASE + 0x50, 6);
547
548 ep93xx_eth_data = *data;
549 platform_device_register(&ep93xx_eth_device);
550}
551
552
553
554
555
556static struct i2c_gpio_platform_data ep93xx_i2c_data;
557
558static struct platform_device ep93xx_i2c_device = {
559 .name = "i2c-gpio",
560 .id = 0,
561 .dev.platform_data = &ep93xx_i2c_data,
562};
563
564void __init ep93xx_register_i2c(struct i2c_gpio_platform_data *data,
565 struct i2c_board_info *devices, int num)
566{
567
568
569
570
571
572
573 if (data->sda_is_open_drain && data->sda_pin != EP93XX_GPIO_LINE_EEDAT)
574 pr_warning("ep93xx: sda != EEDAT, open drain has no effect\n");
575 if (data->scl_is_open_drain && data->scl_pin != EP93XX_GPIO_LINE_EECLK)
576 pr_warning("ep93xx: scl != EECLK, open drain has no effect\n");
577
578 __raw_writel((data->sda_is_open_drain << 1) |
579 (data->scl_is_open_drain << 0),
580 EP93XX_GPIO_EEDRIVE);
581
582 ep93xx_i2c_data = *data;
583 i2c_register_board_info(0, devices, num);
584 platform_device_register(&ep93xx_i2c_device);
585}
586
587
588
589
590
591static struct gpio_led ep93xx_led_pins[] = {
592 {
593 .name = "platform:grled",
594 .gpio = EP93XX_GPIO_LINE_GRLED,
595 }, {
596 .name = "platform:rdled",
597 .gpio = EP93XX_GPIO_LINE_RDLED,
598 },
599};
600
601static struct gpio_led_platform_data ep93xx_led_data = {
602 .num_leds = ARRAY_SIZE(ep93xx_led_pins),
603 .leds = ep93xx_led_pins,
604};
605
606static struct platform_device ep93xx_leds = {
607 .name = "leds-gpio",
608 .id = -1,
609 .dev = {
610 .platform_data = &ep93xx_led_data,
611 },
612};
613
614
615
616
617
618static struct resource ep93xx_pwm0_resource[] = {
619 {
620 .start = EP93XX_PWM_PHYS_BASE,
621 .end = EP93XX_PWM_PHYS_BASE + 0x10 - 1,
622 .flags = IORESOURCE_MEM,
623 },
624};
625
626static struct platform_device ep93xx_pwm0_device = {
627 .name = "ep93xx-pwm",
628 .id = 0,
629 .num_resources = ARRAY_SIZE(ep93xx_pwm0_resource),
630 .resource = ep93xx_pwm0_resource,
631};
632
633static struct resource ep93xx_pwm1_resource[] = {
634 {
635 .start = EP93XX_PWM_PHYS_BASE + 0x20,
636 .end = EP93XX_PWM_PHYS_BASE + 0x30 - 1,
637 .flags = IORESOURCE_MEM,
638 },
639};
640
641static struct platform_device ep93xx_pwm1_device = {
642 .name = "ep93xx-pwm",
643 .id = 1,
644 .num_resources = ARRAY_SIZE(ep93xx_pwm1_resource),
645 .resource = ep93xx_pwm1_resource,
646};
647
648void __init ep93xx_register_pwm(int pwm0, int pwm1)
649{
650 if (pwm0)
651 platform_device_register(&ep93xx_pwm0_device);
652
653
654 if (pwm1)
655 platform_device_register(&ep93xx_pwm1_device);
656}
657
658int ep93xx_pwm_acquire_gpio(struct platform_device *pdev)
659{
660 int err;
661
662 if (pdev->id == 0) {
663 err = 0;
664 } else if (pdev->id == 1) {
665 err = gpio_request(EP93XX_GPIO_LINE_EGPIO14,
666 dev_name(&pdev->dev));
667 if (err)
668 return err;
669 err = gpio_direction_output(EP93XX_GPIO_LINE_EGPIO14, 0);
670 if (err)
671 goto fail;
672
673
674 ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_PONG);
675 } else {
676 err = -ENODEV;
677 }
678
679 return err;
680
681fail:
682 gpio_free(EP93XX_GPIO_LINE_EGPIO14);
683 return err;
684}
685EXPORT_SYMBOL(ep93xx_pwm_acquire_gpio);
686
687void ep93xx_pwm_release_gpio(struct platform_device *pdev)
688{
689 if (pdev->id == 1) {
690 gpio_direction_input(EP93XX_GPIO_LINE_EGPIO14);
691 gpio_free(EP93XX_GPIO_LINE_EGPIO14);
692
693
694 ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_PONG);
695 }
696}
697EXPORT_SYMBOL(ep93xx_pwm_release_gpio);
698
699
700
701
702
703static struct ep93xxfb_mach_info ep93xxfb_data;
704
705static struct resource ep93xx_fb_resource[] = {
706 {
707 .start = EP93XX_RASTER_PHYS_BASE,
708 .end = EP93XX_RASTER_PHYS_BASE + 0x800 - 1,
709 .flags = IORESOURCE_MEM,
710 },
711};
712
713static struct platform_device ep93xx_fb_device = {
714 .name = "ep93xx-fb",
715 .id = -1,
716 .dev = {
717 .platform_data = &ep93xxfb_data,
718 .coherent_dma_mask = DMA_BIT_MASK(32),
719 .dma_mask = &ep93xx_fb_device.dev.coherent_dma_mask,
720 },
721 .num_resources = ARRAY_SIZE(ep93xx_fb_resource),
722 .resource = ep93xx_fb_resource,
723};
724
725void __init ep93xx_register_fb(struct ep93xxfb_mach_info *data)
726{
727 ep93xxfb_data = *data;
728 platform_device_register(&ep93xx_fb_device);
729}
730
731extern void ep93xx_gpio_init(void);
732
733void __init ep93xx_init_devices(void)
734{
735
736 ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_CPENA);
737
738 ep93xx_gpio_init();
739
740 amba_device_register(&uart1_device, &iomem_resource);
741 amba_device_register(&uart2_device, &iomem_resource);
742 amba_device_register(&uart3_device, &iomem_resource);
743
744 platform_device_register(&ep93xx_rtc_device);
745 platform_device_register(&ep93xx_ohci_device);
746 platform_device_register(&ep93xx_leds);
747}
748