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Diffstat (limited to 'arch/arm/mach-at91/at91sam9rl_devices.c')
-rw-r--r--arch/arm/mach-at91/at91sam9rl_devices.c346
1 files changed, 306 insertions, 40 deletions
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c
index 2bd60a3dc623..f43b5c33e45d 100644
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -9,6 +9,7 @@
9#include <asm/mach/arch.h> 9#include <asm/mach/arch.h>
10#include <asm/mach/map.h> 10#include <asm/mach/map.h>
11 11
12#include <linux/dma-mapping.h>
12#include <linux/platform_device.h> 13#include <linux/platform_device.h>
13#include <linux/i2c-gpio.h> 14#include <linux/i2c-gpio.h>
14 15
@@ -29,7 +30,7 @@
29 * -------------------------------------------------------------------- */ 30 * -------------------------------------------------------------------- */
30 31
31#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE) 32#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
32static u64 mmc_dmamask = 0xffffffffUL; 33static u64 mmc_dmamask = DMA_BIT_MASK(32);
33static struct at91_mmc_data mmc_data; 34static struct at91_mmc_data mmc_data;
34 35
35static struct resource mmc_resources[] = { 36static struct resource mmc_resources[] = {
@@ -50,7 +51,7 @@ static struct platform_device at91sam9rl_mmc_device = {
50 .id = -1, 51 .id = -1,
51 .dev = { 52 .dev = {
52 .dma_mask = &mmc_dmamask, 53 .dma_mask = &mmc_dmamask,
53 .coherent_dma_mask = 0xffffffff, 54 .coherent_dma_mask = DMA_BIT_MASK(32),
54 .platform_data = &mmc_data, 55 .platform_data = &mmc_data,
55 }, 56 },
56 .resource = mmc_resources, 57 .resource = mmc_resources,
@@ -247,7 +248,7 @@ void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
247 * -------------------------------------------------------------------- */ 248 * -------------------------------------------------------------------- */
248 249
249#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) 250#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
250static u64 spi_dmamask = 0xffffffffUL; 251static u64 spi_dmamask = DMA_BIT_MASK(32);
251 252
252static struct resource spi_resources[] = { 253static struct resource spi_resources[] = {
253 [0] = { 254 [0] = {
@@ -267,7 +268,7 @@ static struct platform_device at91sam9rl_spi_device = {
267 .id = 0, 268 .id = 0,
268 .dev = { 269 .dev = {
269 .dma_mask = &spi_dmamask, 270 .dma_mask = &spi_dmamask,
270 .coherent_dma_mask = 0xffffffff, 271 .coherent_dma_mask = DMA_BIT_MASK(32),
271 }, 272 },
272 .resource = spi_resources, 273 .resource = spi_resources,
273 .num_resources = ARRAY_SIZE(spi_resources), 274 .num_resources = ARRAY_SIZE(spi_resources),
@@ -312,7 +313,7 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
312 * -------------------------------------------------------------------- */ 313 * -------------------------------------------------------------------- */
313 314
314#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) 315#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
315static u64 lcdc_dmamask = 0xffffffffUL; 316static u64 lcdc_dmamask = DMA_BIT_MASK(32);
316static struct atmel_lcdfb_info lcdc_data; 317static struct atmel_lcdfb_info lcdc_data;
317 318
318static struct resource lcdc_resources[] = { 319static struct resource lcdc_resources[] = {
@@ -340,7 +341,7 @@ static struct platform_device at91_lcdc_device = {
340 .id = 0, 341 .id = 0,
341 .dev = { 342 .dev = {
342 .dma_mask = &lcdc_dmamask, 343 .dma_mask = &lcdc_dmamask,
343 .coherent_dma_mask = 0xffffffff, 344 .coherent_dma_mask = DMA_BIT_MASK(32),
344 .platform_data = &lcdc_data, 345 .platform_data = &lcdc_data,
345 }, 346 },
346 .resource = lcdc_resources, 347 .resource = lcdc_resources,
@@ -384,24 +385,196 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
384 385
385 386
386/* -------------------------------------------------------------------- 387/* --------------------------------------------------------------------
387 * LEDs 388 * RTC
388 * -------------------------------------------------------------------- */ 389 * -------------------------------------------------------------------- */
389 390
390#if defined(CONFIG_LEDS) 391#if defined(CONFIG_RTC_DRV_AT91RM9200) || defined(CONFIG_RTC_DRV_AT91RM9200_MODULE)
391u8 at91_leds_cpu; 392static struct platform_device at91sam9rl_rtc_device = {
392u8 at91_leds_timer; 393 .name = "at91_rtc",
394 .id = -1,
395 .num_resources = 0,
396};
393 397
394void __init at91_init_leds(u8 cpu_led, u8 timer_led) 398static void __init at91_add_device_rtc(void)
395{ 399{
396 /* Enable GPIO to access the LEDs */ 400 platform_device_register(&at91sam9rl_rtc_device);
397 at91_set_gpio_output(cpu_led, 1); 401}
398 at91_set_gpio_output(timer_led, 1); 402#else
403static void __init at91_add_device_rtc(void) {}
404#endif
405
406
407/* --------------------------------------------------------------------
408 * RTT
409 * -------------------------------------------------------------------- */
410
411static struct resource rtt_resources[] = {
412 {
413 .start = AT91_BASE_SYS + AT91_RTT,
414 .end = AT91_BASE_SYS + AT91_RTT + SZ_16 - 1,
415 .flags = IORESOURCE_MEM,
416 }
417};
418
419static struct platform_device at91sam9rl_rtt_device = {
420 .name = "at91_rtt",
421 .id = -1,
422 .resource = rtt_resources,
423 .num_resources = ARRAY_SIZE(rtt_resources),
424};
399 425
400 at91_leds_cpu = cpu_led; 426static void __init at91_add_device_rtt(void)
401 at91_leds_timer = timer_led; 427{
428 platform_device_register(&at91sam9rl_rtt_device);
429}
430
431
432/* --------------------------------------------------------------------
433 * Watchdog
434 * -------------------------------------------------------------------- */
435
436#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE)
437static struct platform_device at91sam9rl_wdt_device = {
438 .name = "at91_wdt",
439 .id = -1,
440 .num_resources = 0,
441};
442
443static void __init at91_add_device_watchdog(void)
444{
445 platform_device_register(&at91sam9rl_wdt_device);
402} 446}
403#else 447#else
404void __init at91_init_leds(u8 cpu_led, u8 timer_led) {} 448static void __init at91_add_device_watchdog(void) {}
449#endif
450
451
452/* --------------------------------------------------------------------
453 * SSC -- Synchronous Serial Controller
454 * -------------------------------------------------------------------- */
455
456#if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
457static u64 ssc0_dmamask = DMA_BIT_MASK(32);
458
459static struct resource ssc0_resources[] = {
460 [0] = {
461 .start = AT91SAM9RL_BASE_SSC0,
462 .end = AT91SAM9RL_BASE_SSC0 + SZ_16K - 1,
463 .flags = IORESOURCE_MEM,
464 },
465 [1] = {
466 .start = AT91SAM9RL_ID_SSC0,
467 .end = AT91SAM9RL_ID_SSC0,
468 .flags = IORESOURCE_IRQ,
469 },
470};
471
472static struct platform_device at91sam9rl_ssc0_device = {
473 .name = "ssc",
474 .id = 0,
475 .dev = {
476 .dma_mask = &ssc0_dmamask,
477 .coherent_dma_mask = DMA_BIT_MASK(32),
478 },
479 .resource = ssc0_resources,
480 .num_resources = ARRAY_SIZE(ssc0_resources),
481};
482
483static inline void configure_ssc0_pins(unsigned pins)
484{
485 if (pins & ATMEL_SSC_TF)
486 at91_set_A_periph(AT91_PIN_PC0, 1);
487 if (pins & ATMEL_SSC_TK)
488 at91_set_A_periph(AT91_PIN_PC1, 1);
489 if (pins & ATMEL_SSC_TD)
490 at91_set_A_periph(AT91_PIN_PA15, 1);
491 if (pins & ATMEL_SSC_RD)
492 at91_set_A_periph(AT91_PIN_PA16, 1);
493 if (pins & ATMEL_SSC_RK)
494 at91_set_B_periph(AT91_PIN_PA10, 1);
495 if (pins & ATMEL_SSC_RF)
496 at91_set_B_periph(AT91_PIN_PA22, 1);
497}
498
499static u64 ssc1_dmamask = DMA_BIT_MASK(32);
500
501static struct resource ssc1_resources[] = {
502 [0] = {
503 .start = AT91SAM9RL_BASE_SSC1,
504 .end = AT91SAM9RL_BASE_SSC1 + SZ_16K - 1,
505 .flags = IORESOURCE_MEM,
506 },
507 [1] = {
508 .start = AT91SAM9RL_ID_SSC1,
509 .end = AT91SAM9RL_ID_SSC1,
510 .flags = IORESOURCE_IRQ,
511 },
512};
513
514static struct platform_device at91sam9rl_ssc1_device = {
515 .name = "ssc",
516 .id = 1,
517 .dev = {
518 .dma_mask = &ssc1_dmamask,
519 .coherent_dma_mask = DMA_BIT_MASK(32),
520 },
521 .resource = ssc1_resources,
522 .num_resources = ARRAY_SIZE(ssc1_resources),
523};
524
525static inline void configure_ssc1_pins(unsigned pins)
526{
527 if (pins & ATMEL_SSC_TF)
528 at91_set_B_periph(AT91_PIN_PA29, 1);
529 if (pins & ATMEL_SSC_TK)
530 at91_set_B_periph(AT91_PIN_PA30, 1);
531 if (pins & ATMEL_SSC_TD)
532 at91_set_B_periph(AT91_PIN_PA13, 1);
533 if (pins & ATMEL_SSC_RD)
534 at91_set_B_periph(AT91_PIN_PA14, 1);
535 if (pins & ATMEL_SSC_RK)
536 at91_set_B_periph(AT91_PIN_PA9, 1);
537 if (pins & ATMEL_SSC_RF)
538 at91_set_B_periph(AT91_PIN_PA8, 1);
539}
540
541/*
542 * Return the device node so that board init code can use it as the
543 * parent for the device node reflecting how it's used on this board.
544 *
545 * SSC controllers are accessed through library code, instead of any
546 * kind of all-singing/all-dancing driver. For example one could be
547 * used by a particular I2S audio codec's driver, while another one
548 * on the same system might be used by a custom data capture driver.
549 */
550void __init at91_add_device_ssc(unsigned id, unsigned pins)
551{
552 struct platform_device *pdev;
553
554 /*
555 * NOTE: caller is responsible for passing information matching
556 * "pins" to whatever will be using each particular controller.
557 */
558 switch (id) {
559 case AT91SAM9RL_ID_SSC0:
560 pdev = &at91sam9rl_ssc0_device;
561 configure_ssc0_pins(pins);
562 at91_clock_associate("ssc0_clk", &pdev->dev, "pclk");
563 break;
564 case AT91SAM9RL_ID_SSC1:
565 pdev = &at91sam9rl_ssc1_device;
566 configure_ssc1_pins(pins);
567 at91_clock_associate("ssc1_clk", &pdev->dev, "pclk");
568 break;
569 default:
570 return;
571 }
572
573 platform_device_register(pdev);
574}
575
576#else
577void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
405#endif 578#endif
406 579
407 580
@@ -429,12 +602,15 @@ static struct atmel_uart_data dbgu_data = {
429 .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU), 602 .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
430}; 603};
431 604
605static u64 dbgu_dmamask = DMA_BIT_MASK(32);
606
432static struct platform_device at91sam9rl_dbgu_device = { 607static struct platform_device at91sam9rl_dbgu_device = {
433 .name = "atmel_usart", 608 .name = "atmel_usart",
434 .id = 0, 609 .id = 0,
435 .dev = { 610 .dev = {
436 .platform_data = &dbgu_data, 611 .dma_mask = &dbgu_dmamask,
437 .coherent_dma_mask = 0xffffffff, 612 .coherent_dma_mask = DMA_BIT_MASK(32),
613 .platform_data = &dbgu_data,
438 }, 614 },
439 .resource = dbgu_resources, 615 .resource = dbgu_resources,
440 .num_resources = ARRAY_SIZE(dbgu_resources), 616 .num_resources = ARRAY_SIZE(dbgu_resources),
@@ -464,23 +640,37 @@ static struct atmel_uart_data uart0_data = {
464 .use_dma_rx = 1, 640 .use_dma_rx = 1,
465}; 641};
466 642
643static u64 uart0_dmamask = DMA_BIT_MASK(32);
644
467static struct platform_device at91sam9rl_uart0_device = { 645static struct platform_device at91sam9rl_uart0_device = {
468 .name = "atmel_usart", 646 .name = "atmel_usart",
469 .id = 1, 647 .id = 1,
470 .dev = { 648 .dev = {
471 .platform_data = &uart0_data, 649 .dma_mask = &uart0_dmamask,
472 .coherent_dma_mask = 0xffffffff, 650 .coherent_dma_mask = DMA_BIT_MASK(32),
651 .platform_data = &uart0_data,
473 }, 652 },
474 .resource = uart0_resources, 653 .resource = uart0_resources,
475 .num_resources = ARRAY_SIZE(uart0_resources), 654 .num_resources = ARRAY_SIZE(uart0_resources),
476}; 655};
477 656
478static inline void configure_usart0_pins(void) 657static inline void configure_usart0_pins(unsigned pins)
479{ 658{
480 at91_set_A_periph(AT91_PIN_PA6, 1); /* TXD0 */ 659 at91_set_A_periph(AT91_PIN_PA6, 1); /* TXD0 */
481 at91_set_A_periph(AT91_PIN_PA7, 0); /* RXD0 */ 660 at91_set_A_periph(AT91_PIN_PA7, 0); /* RXD0 */
482 at91_set_A_periph(AT91_PIN_PA9, 0); /* RTS0 */ 661
483 at91_set_A_periph(AT91_PIN_PA10, 0); /* CTS0 */ 662 if (pins & ATMEL_UART_RTS)
663 at91_set_A_periph(AT91_PIN_PA9, 0); /* RTS0 */
664 if (pins & ATMEL_UART_CTS)
665 at91_set_A_periph(AT91_PIN_PA10, 0); /* CTS0 */
666 if (pins & ATMEL_UART_DSR)
667 at91_set_A_periph(AT91_PIN_PD14, 0); /* DSR0 */
668 if (pins & ATMEL_UART_DTR)
669 at91_set_A_periph(AT91_PIN_PD15, 0); /* DTR0 */
670 if (pins & ATMEL_UART_DCD)
671 at91_set_A_periph(AT91_PIN_PD16, 0); /* DCD0 */
672 if (pins & ATMEL_UART_RI)
673 at91_set_A_periph(AT91_PIN_PD17, 0); /* RI0 */
484} 674}
485 675
486static struct resource uart1_resources[] = { 676static struct resource uart1_resources[] = {
@@ -501,21 +691,29 @@ static struct atmel_uart_data uart1_data = {
501 .use_dma_rx = 1, 691 .use_dma_rx = 1,
502}; 692};
503 693
694static u64 uart1_dmamask = DMA_BIT_MASK(32);
695
504static struct platform_device at91sam9rl_uart1_device = { 696static struct platform_device at91sam9rl_uart1_device = {
505 .name = "atmel_usart", 697 .name = "atmel_usart",
506 .id = 2, 698 .id = 2,
507 .dev = { 699 .dev = {
508 .platform_data = &uart1_data, 700 .dma_mask = &uart1_dmamask,
509 .coherent_dma_mask = 0xffffffff, 701 .coherent_dma_mask = DMA_BIT_MASK(32),
702 .platform_data = &uart1_data,
510 }, 703 },
511 .resource = uart1_resources, 704 .resource = uart1_resources,
512 .num_resources = ARRAY_SIZE(uart1_resources), 705 .num_resources = ARRAY_SIZE(uart1_resources),
513}; 706};
514 707
515static inline void configure_usart1_pins(void) 708static inline void configure_usart1_pins(unsigned pins)
516{ 709{
517 at91_set_A_periph(AT91_PIN_PA11, 1); /* TXD1 */ 710 at91_set_A_periph(AT91_PIN_PA11, 1); /* TXD1 */
518 at91_set_A_periph(AT91_PIN_PA12, 0); /* RXD1 */ 711 at91_set_A_periph(AT91_PIN_PA12, 0); /* RXD1 */
712
713 if (pins & ATMEL_UART_RTS)
714 at91_set_B_periph(AT91_PIN_PA18, 0); /* RTS1 */
715 if (pins & ATMEL_UART_CTS)
716 at91_set_B_periph(AT91_PIN_PA19, 0); /* CTS1 */
519} 717}
520 718
521static struct resource uart2_resources[] = { 719static struct resource uart2_resources[] = {
@@ -536,21 +734,29 @@ static struct atmel_uart_data uart2_data = {
536 .use_dma_rx = 1, 734 .use_dma_rx = 1,
537}; 735};
538 736
737static u64 uart2_dmamask = DMA_BIT_MASK(32);
738
539static struct platform_device at91sam9rl_uart2_device = { 739static struct platform_device at91sam9rl_uart2_device = {
540 .name = "atmel_usart", 740 .name = "atmel_usart",
541 .id = 3, 741 .id = 3,
542 .dev = { 742 .dev = {
543 .platform_data = &uart2_data, 743 .dma_mask = &uart2_dmamask,
544 .coherent_dma_mask = 0xffffffff, 744 .coherent_dma_mask = DMA_BIT_MASK(32),
745 .platform_data = &uart2_data,
545 }, 746 },
546 .resource = uart2_resources, 747 .resource = uart2_resources,
547 .num_resources = ARRAY_SIZE(uart2_resources), 748 .num_resources = ARRAY_SIZE(uart2_resources),
548}; 749};
549 750
550static inline void configure_usart2_pins(void) 751static inline void configure_usart2_pins(unsigned pins)
551{ 752{
552 at91_set_A_periph(AT91_PIN_PA13, 1); /* TXD2 */ 753 at91_set_A_periph(AT91_PIN_PA13, 1); /* TXD2 */
553 at91_set_A_periph(AT91_PIN_PA14, 0); /* RXD2 */ 754 at91_set_A_periph(AT91_PIN_PA14, 0); /* RXD2 */
755
756 if (pins & ATMEL_UART_RTS)
757 at91_set_A_periph(AT91_PIN_PA29, 0); /* RTS2 */
758 if (pins & ATMEL_UART_CTS)
759 at91_set_A_periph(AT91_PIN_PA30, 0); /* CTS2 */
554} 760}
555 761
556static struct resource uart3_resources[] = { 762static struct resource uart3_resources[] = {
@@ -571,27 +777,35 @@ static struct atmel_uart_data uart3_data = {
571 .use_dma_rx = 1, 777 .use_dma_rx = 1,
572}; 778};
573 779
780static u64 uart3_dmamask = DMA_BIT_MASK(32);
781
574static struct platform_device at91sam9rl_uart3_device = { 782static struct platform_device at91sam9rl_uart3_device = {
575 .name = "atmel_usart", 783 .name = "atmel_usart",
576 .id = 4, 784 .id = 4,
577 .dev = { 785 .dev = {
578 .platform_data = &uart3_data, 786 .dma_mask = &uart3_dmamask,
579 .coherent_dma_mask = 0xffffffff, 787 .coherent_dma_mask = DMA_BIT_MASK(32),
788 .platform_data = &uart3_data,
580 }, 789 },
581 .resource = uart3_resources, 790 .resource = uart3_resources,
582 .num_resources = ARRAY_SIZE(uart3_resources), 791 .num_resources = ARRAY_SIZE(uart3_resources),
583}; 792};
584 793
585static inline void configure_usart3_pins(void) 794static inline void configure_usart3_pins(unsigned pins)
586{ 795{
587 at91_set_A_periph(AT91_PIN_PB0, 1); /* TXD3 */ 796 at91_set_A_periph(AT91_PIN_PB0, 1); /* TXD3 */
588 at91_set_A_periph(AT91_PIN_PB1, 0); /* RXD3 */ 797 at91_set_A_periph(AT91_PIN_PB1, 0); /* RXD3 */
798
799 if (pins & ATMEL_UART_RTS)
800 at91_set_B_periph(AT91_PIN_PD4, 0); /* RTS3 */
801 if (pins & ATMEL_UART_CTS)
802 at91_set_B_periph(AT91_PIN_PD3, 0); /* CTS3 */
589} 803}
590 804
591struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ 805static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
592struct platform_device *atmel_default_console_device; /* the serial console device */ 806struct platform_device *atmel_default_console_device; /* the serial console device */
593 807
594void __init at91_init_serial(struct at91_uart_config *config) 808void __init __deprecated at91_init_serial(struct at91_uart_config *config)
595{ 809{
596 int i; 810 int i;
597 811
@@ -599,22 +813,22 @@ void __init at91_init_serial(struct at91_uart_config *config)
599 for (i = 0; i < config->nr_tty; i++) { 813 for (i = 0; i < config->nr_tty; i++) {
600 switch (config->tty_map[i]) { 814 switch (config->tty_map[i]) {
601 case 0: 815 case 0:
602 configure_usart0_pins(); 816 configure_usart0_pins(ATMEL_UART_CTS | ATMEL_UART_RTS);
603 at91_uarts[i] = &at91sam9rl_uart0_device; 817 at91_uarts[i] = &at91sam9rl_uart0_device;
604 at91_clock_associate("usart0_clk", &at91sam9rl_uart0_device.dev, "usart"); 818 at91_clock_associate("usart0_clk", &at91sam9rl_uart0_device.dev, "usart");
605 break; 819 break;
606 case 1: 820 case 1:
607 configure_usart1_pins(); 821 configure_usart1_pins(0);
608 at91_uarts[i] = &at91sam9rl_uart1_device; 822 at91_uarts[i] = &at91sam9rl_uart1_device;
609 at91_clock_associate("usart1_clk", &at91sam9rl_uart1_device.dev, "usart"); 823 at91_clock_associate("usart1_clk", &at91sam9rl_uart1_device.dev, "usart");
610 break; 824 break;
611 case 2: 825 case 2:
612 configure_usart2_pins(); 826 configure_usart2_pins(0);
613 at91_uarts[i] = &at91sam9rl_uart2_device; 827 at91_uarts[i] = &at91sam9rl_uart2_device;
614 at91_clock_associate("usart2_clk", &at91sam9rl_uart2_device.dev, "usart"); 828 at91_clock_associate("usart2_clk", &at91sam9rl_uart2_device.dev, "usart");
615 break; 829 break;
616 case 3: 830 case 3:
617 configure_usart3_pins(); 831 configure_usart3_pins(0);
618 at91_uarts[i] = &at91sam9rl_uart3_device; 832 at91_uarts[i] = &at91sam9rl_uart3_device;
619 at91_clock_associate("usart3_clk", &at91sam9rl_uart3_device.dev, "usart"); 833 at91_clock_associate("usart3_clk", &at91sam9rl_uart3_device.dev, "usart");
620 break; 834 break;
@@ -636,6 +850,53 @@ void __init at91_init_serial(struct at91_uart_config *config)
636 printk(KERN_INFO "AT91: No default serial console defined.\n"); 850 printk(KERN_INFO "AT91: No default serial console defined.\n");
637} 851}
638 852
853void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
854{
855 struct platform_device *pdev;
856
857 switch (id) {
858 case 0: /* DBGU */
859 pdev = &at91sam9rl_dbgu_device;
860 configure_dbgu_pins();
861 at91_clock_associate("mck", &pdev->dev, "usart");
862 break;
863 case AT91SAM9RL_ID_US0:
864 pdev = &at91sam9rl_uart0_device;
865 configure_usart0_pins(pins);
866 at91_clock_associate("usart0_clk", &pdev->dev, "usart");
867 break;
868 case AT91SAM9RL_ID_US1:
869 pdev = &at91sam9rl_uart1_device;
870 configure_usart1_pins(pins);
871 at91_clock_associate("usart1_clk", &pdev->dev, "usart");
872 break;
873 case AT91SAM9RL_ID_US2:
874 pdev = &at91sam9rl_uart2_device;
875 configure_usart2_pins(pins);
876 at91_clock_associate("usart2_clk", &pdev->dev, "usart");
877 break;
878 case AT91SAM9RL_ID_US3:
879 pdev = &at91sam9rl_uart3_device;
880 configure_usart3_pins(pins);
881 at91_clock_associate("usart3_clk", &pdev->dev, "usart");
882 break;
883 default:
884 return;
885 }
886 pdev->id = portnr; /* update to mapped ID */
887
888 if (portnr < ATMEL_MAX_UART)
889 at91_uarts[portnr] = pdev;
890}
891
892void __init at91_set_serial_console(unsigned portnr)
893{
894 if (portnr < ATMEL_MAX_UART)
895 atmel_default_console_device = at91_uarts[portnr];
896 if (!atmel_default_console_device)
897 printk(KERN_INFO "AT91: No default serial console defined.\n");
898}
899
639void __init at91_add_device_serial(void) 900void __init at91_add_device_serial(void)
640{ 901{
641 int i; 902 int i;
@@ -646,7 +907,9 @@ void __init at91_add_device_serial(void)
646 } 907 }
647} 908}
648#else 909#else
649void __init at91_init_serial(struct at91_uart_config *config) {} 910void __init __deprecated at91_init_serial(struct at91_uart_config *config) {}
911void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
912void __init at91_set_serial_console(unsigned portnr) {}
650void __init at91_add_device_serial(void) {} 913void __init at91_add_device_serial(void) {}
651#endif 914#endif
652 915
@@ -659,6 +922,9 @@ void __init at91_add_device_serial(void) {}
659 */ 922 */
660static int __init at91_add_standard_devices(void) 923static int __init at91_add_standard_devices(void)
661{ 924{
925 at91_add_device_rtc();
926 at91_add_device_rtt();
927 at91_add_device_watchdog();
662 return 0; 928 return 0;
663} 929}
664 930
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-05 22:02:42 -0500