2 * arch/arm/mach-at91/at91sam9260_devices.c
4 * Copyright (C) 2006 Atmel
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
12 #include <asm/mach/arch.h>
13 #include <asm/mach/map.h>
15 #include <linux/dma-mapping.h>
16 #include <linux/gpio.h>
17 #include <linux/platform_device.h>
18 #include <linux/i2c-gpio.h>
20 #include <mach/board.h>
22 #include <mach/at91sam9260.h>
23 #include <mach/at91sam9260_matrix.h>
24 #include <mach/at91_matrix.h>
25 #include <mach/at91sam9_smc.h>
30 /* --------------------------------------------------------------------
32 * -------------------------------------------------------------------- */
34 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
35 static u64 ohci_dmamask = DMA_BIT_MASK(32);
36 static struct at91_usbh_data usbh_data;
38 static struct resource usbh_resources[] = {
40 .start = AT91SAM9260_UHP_BASE,
41 .end = AT91SAM9260_UHP_BASE + SZ_1M - 1,
42 .flags = IORESOURCE_MEM,
45 .start = AT91SAM9260_ID_UHP,
46 .end = AT91SAM9260_ID_UHP,
47 .flags = IORESOURCE_IRQ,
51 static struct platform_device at91_usbh_device = {
55 .dma_mask = &ohci_dmamask,
56 .coherent_dma_mask = DMA_BIT_MASK(32),
57 .platform_data = &usbh_data,
59 .resource = usbh_resources,
60 .num_resources = ARRAY_SIZE(usbh_resources),
63 void __init at91_add_device_usbh(struct at91_usbh_data *data)
70 /* Enable overcurrent notification */
71 for (i = 0; i < data->ports; i++) {
72 if (data->overcurrent_pin[i])
73 at91_set_gpio_input(data->overcurrent_pin[i], 1);
77 platform_device_register(&at91_usbh_device);
80 void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
84 /* --------------------------------------------------------------------
86 * -------------------------------------------------------------------- */
88 #if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE)
89 static struct at91_udc_data udc_data;
91 static struct resource udc_resources[] = {
93 .start = AT91SAM9260_BASE_UDP,
94 .end = AT91SAM9260_BASE_UDP + SZ_16K - 1,
95 .flags = IORESOURCE_MEM,
98 .start = AT91SAM9260_ID_UDP,
99 .end = AT91SAM9260_ID_UDP,
100 .flags = IORESOURCE_IRQ,
104 static struct platform_device at91_udc_device = {
108 .platform_data = &udc_data,
110 .resource = udc_resources,
111 .num_resources = ARRAY_SIZE(udc_resources),
114 void __init at91_add_device_udc(struct at91_udc_data *data)
119 if (gpio_is_valid(data->vbus_pin)) {
120 at91_set_gpio_input(data->vbus_pin, 0);
121 at91_set_deglitch(data->vbus_pin, 1);
124 /* Pullup pin is handled internally by USB device peripheral */
127 platform_device_register(&at91_udc_device);
130 void __init at91_add_device_udc(struct at91_udc_data *data) {}
134 /* --------------------------------------------------------------------
136 * -------------------------------------------------------------------- */
138 #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
139 static u64 eth_dmamask = DMA_BIT_MASK(32);
140 static struct macb_platform_data eth_data;
142 static struct resource eth_resources[] = {
144 .start = AT91SAM9260_BASE_EMAC,
145 .end = AT91SAM9260_BASE_EMAC + SZ_16K - 1,
146 .flags = IORESOURCE_MEM,
149 .start = AT91SAM9260_ID_EMAC,
150 .end = AT91SAM9260_ID_EMAC,
151 .flags = IORESOURCE_IRQ,
155 static struct platform_device at91sam9260_eth_device = {
159 .dma_mask = ð_dmamask,
160 .coherent_dma_mask = DMA_BIT_MASK(32),
161 .platform_data = ð_data,
163 .resource = eth_resources,
164 .num_resources = ARRAY_SIZE(eth_resources),
167 void __init at91_add_device_eth(struct macb_platform_data *data)
172 if (gpio_is_valid(data->phy_irq_pin)) {
173 at91_set_gpio_input(data->phy_irq_pin, 0);
174 at91_set_deglitch(data->phy_irq_pin, 1);
177 /* Pins used for MII and RMII */
178 at91_set_A_periph(AT91_PIN_PA19, 0); /* ETXCK_EREFCK */
179 at91_set_A_periph(AT91_PIN_PA17, 0); /* ERXDV */
180 at91_set_A_periph(AT91_PIN_PA14, 0); /* ERX0 */
181 at91_set_A_periph(AT91_PIN_PA15, 0); /* ERX1 */
182 at91_set_A_periph(AT91_PIN_PA18, 0); /* ERXER */
183 at91_set_A_periph(AT91_PIN_PA16, 0); /* ETXEN */
184 at91_set_A_periph(AT91_PIN_PA12, 0); /* ETX0 */
185 at91_set_A_periph(AT91_PIN_PA13, 0); /* ETX1 */
186 at91_set_A_periph(AT91_PIN_PA21, 0); /* EMDIO */
187 at91_set_A_periph(AT91_PIN_PA20, 0); /* EMDC */
189 if (!data->is_rmii) {
190 at91_set_B_periph(AT91_PIN_PA28, 0); /* ECRS */
191 at91_set_B_periph(AT91_PIN_PA29, 0); /* ECOL */
192 at91_set_B_periph(AT91_PIN_PA25, 0); /* ERX2 */
193 at91_set_B_periph(AT91_PIN_PA26, 0); /* ERX3 */
194 at91_set_B_periph(AT91_PIN_PA27, 0); /* ERXCK */
195 at91_set_B_periph(AT91_PIN_PA23, 0); /* ETX2 */
196 at91_set_B_periph(AT91_PIN_PA24, 0); /* ETX3 */
197 at91_set_B_periph(AT91_PIN_PA22, 0); /* ETXER */
201 platform_device_register(&at91sam9260_eth_device);
204 void __init at91_add_device_eth(struct macb_platform_data *data) {}
208 /* --------------------------------------------------------------------
210 * -------------------------------------------------------------------- */
212 #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
213 static u64 mmc_dmamask = DMA_BIT_MASK(32);
214 static struct at91_mmc_data mmc_data;
216 static struct resource mmc_resources[] = {
218 .start = AT91SAM9260_BASE_MCI,
219 .end = AT91SAM9260_BASE_MCI + SZ_16K - 1,
220 .flags = IORESOURCE_MEM,
223 .start = AT91SAM9260_ID_MCI,
224 .end = AT91SAM9260_ID_MCI,
225 .flags = IORESOURCE_IRQ,
229 static struct platform_device at91sam9260_mmc_device = {
233 .dma_mask = &mmc_dmamask,
234 .coherent_dma_mask = DMA_BIT_MASK(32),
235 .platform_data = &mmc_data,
237 .resource = mmc_resources,
238 .num_resources = ARRAY_SIZE(mmc_resources),
241 void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
247 if (gpio_is_valid(data->det_pin)) {
248 at91_set_gpio_input(data->det_pin, 1);
249 at91_set_deglitch(data->det_pin, 1);
251 if (gpio_is_valid(data->wp_pin))
252 at91_set_gpio_input(data->wp_pin, 1);
253 if (gpio_is_valid(data->vcc_pin))
254 at91_set_gpio_output(data->vcc_pin, 0);
257 at91_set_A_periph(AT91_PIN_PA8, 0);
261 at91_set_B_periph(AT91_PIN_PA1, 1);
263 /* DAT0, maybe DAT1..DAT3 */
264 at91_set_B_periph(AT91_PIN_PA0, 1);
266 at91_set_B_periph(AT91_PIN_PA5, 1);
267 at91_set_B_periph(AT91_PIN_PA4, 1);
268 at91_set_B_periph(AT91_PIN_PA3, 1);
272 at91_set_A_periph(AT91_PIN_PA7, 1);
274 /* DAT0, maybe DAT1..DAT3 */
275 at91_set_A_periph(AT91_PIN_PA6, 1);
277 at91_set_A_periph(AT91_PIN_PA9, 1);
278 at91_set_A_periph(AT91_PIN_PA10, 1);
279 at91_set_A_periph(AT91_PIN_PA11, 1);
284 platform_device_register(&at91sam9260_mmc_device);
287 void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
290 /* --------------------------------------------------------------------
291 * MMC / SD Slot for Atmel MCI Driver
292 * -------------------------------------------------------------------- */
294 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
295 static u64 mmc_dmamask = DMA_BIT_MASK(32);
296 static struct mci_platform_data mmc_data;
298 static struct resource mmc_resources[] = {
300 .start = AT91SAM9260_BASE_MCI,
301 .end = AT91SAM9260_BASE_MCI + SZ_16K - 1,
302 .flags = IORESOURCE_MEM,
305 .start = AT91SAM9260_ID_MCI,
306 .end = AT91SAM9260_ID_MCI,
307 .flags = IORESOURCE_IRQ,
311 static struct platform_device at91sam9260_mmc_device = {
315 .dma_mask = &mmc_dmamask,
316 .coherent_dma_mask = DMA_BIT_MASK(32),
317 .platform_data = &mmc_data,
319 .resource = mmc_resources,
320 .num_resources = ARRAY_SIZE(mmc_resources),
323 void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
326 unsigned int slot_count = 0;
331 for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {
332 if (data->slot[i].bus_width) {
334 if (gpio_is_valid(data->slot[i].detect_pin)) {
335 at91_set_gpio_input(data->slot[i].detect_pin, 1);
336 at91_set_deglitch(data->slot[i].detect_pin, 1);
338 if (gpio_is_valid(data->slot[i].wp_pin))
339 at91_set_gpio_input(data->slot[i].wp_pin, 1);
344 at91_set_A_periph(AT91_PIN_PA7, 1);
345 /* DAT0, maybe DAT1..DAT3 */
346 at91_set_A_periph(AT91_PIN_PA6, 1);
347 if (data->slot[i].bus_width == 4) {
348 at91_set_A_periph(AT91_PIN_PA9, 1);
349 at91_set_A_periph(AT91_PIN_PA10, 1);
350 at91_set_A_periph(AT91_PIN_PA11, 1);
356 at91_set_B_periph(AT91_PIN_PA1, 1);
357 /* DAT0, maybe DAT1..DAT3 */
358 at91_set_B_periph(AT91_PIN_PA0, 1);
359 if (data->slot[i].bus_width == 4) {
360 at91_set_B_periph(AT91_PIN_PA5, 1);
361 at91_set_B_periph(AT91_PIN_PA4, 1);
362 at91_set_B_periph(AT91_PIN_PA3, 1);
368 "AT91: SD/MMC slot %d not available\n", i);
376 at91_set_A_periph(AT91_PIN_PA8, 0);
379 platform_device_register(&at91sam9260_mmc_device);
383 void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {}
387 /* --------------------------------------------------------------------
389 * -------------------------------------------------------------------- */
391 #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
392 static struct atmel_nand_data nand_data;
394 #define NAND_BASE AT91_CHIPSELECT_3
396 static struct resource nand_resources[] = {
399 .end = NAND_BASE + SZ_256M - 1,
400 .flags = IORESOURCE_MEM,
403 .start = AT91SAM9260_BASE_ECC,
404 .end = AT91SAM9260_BASE_ECC + SZ_512 - 1,
405 .flags = IORESOURCE_MEM,
409 static struct platform_device at91sam9260_nand_device = {
410 .name = "atmel_nand",
413 .platform_data = &nand_data,
415 .resource = nand_resources,
416 .num_resources = ARRAY_SIZE(nand_resources),
419 void __init at91_add_device_nand(struct atmel_nand_data *data)
426 csa = at91_matrix_read(AT91_MATRIX_EBICSA);
427 at91_matrix_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
430 if (gpio_is_valid(data->enable_pin))
431 at91_set_gpio_output(data->enable_pin, 1);
434 if (gpio_is_valid(data->rdy_pin))
435 at91_set_gpio_input(data->rdy_pin, 1);
437 /* card detect pin */
438 if (gpio_is_valid(data->det_pin))
439 at91_set_gpio_input(data->det_pin, 1);
442 platform_device_register(&at91sam9260_nand_device);
445 void __init at91_add_device_nand(struct atmel_nand_data *data) {}
449 /* --------------------------------------------------------------------
451 * -------------------------------------------------------------------- */
454 * Prefer the GPIO code since the TWI controller isn't robust
455 * (gets overruns and underruns under load) and can only issue
456 * repeated STARTs in one scenario (the driver doesn't yet handle them).
459 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
461 static struct i2c_gpio_platform_data pdata = {
462 .sda_pin = AT91_PIN_PA23,
463 .sda_is_open_drain = 1,
464 .scl_pin = AT91_PIN_PA24,
465 .scl_is_open_drain = 1,
466 .udelay = 2, /* ~100 kHz */
469 static struct platform_device at91sam9260_twi_device = {
472 .dev.platform_data = &pdata,
475 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
477 at91_set_GPIO_periph(AT91_PIN_PA23, 1); /* TWD (SDA) */
478 at91_set_multi_drive(AT91_PIN_PA23, 1);
480 at91_set_GPIO_periph(AT91_PIN_PA24, 1); /* TWCK (SCL) */
481 at91_set_multi_drive(AT91_PIN_PA24, 1);
483 i2c_register_board_info(0, devices, nr_devices);
484 platform_device_register(&at91sam9260_twi_device);
487 #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
489 static struct resource twi_resources[] = {
491 .start = AT91SAM9260_BASE_TWI,
492 .end = AT91SAM9260_BASE_TWI + SZ_16K - 1,
493 .flags = IORESOURCE_MEM,
496 .start = AT91SAM9260_ID_TWI,
497 .end = AT91SAM9260_ID_TWI,
498 .flags = IORESOURCE_IRQ,
502 static struct platform_device at91sam9260_twi_device = {
505 .resource = twi_resources,
506 .num_resources = ARRAY_SIZE(twi_resources),
509 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
511 /* pins used for TWI interface */
512 at91_set_A_periph(AT91_PIN_PA23, 0); /* TWD */
513 at91_set_multi_drive(AT91_PIN_PA23, 1);
515 at91_set_A_periph(AT91_PIN_PA24, 0); /* TWCK */
516 at91_set_multi_drive(AT91_PIN_PA24, 1);
518 i2c_register_board_info(0, devices, nr_devices);
519 platform_device_register(&at91sam9260_twi_device);
522 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {}
526 /* --------------------------------------------------------------------
528 * -------------------------------------------------------------------- */
530 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
531 static u64 spi_dmamask = DMA_BIT_MASK(32);
533 static struct resource spi0_resources[] = {
535 .start = AT91SAM9260_BASE_SPI0,
536 .end = AT91SAM9260_BASE_SPI0 + SZ_16K - 1,
537 .flags = IORESOURCE_MEM,
540 .start = AT91SAM9260_ID_SPI0,
541 .end = AT91SAM9260_ID_SPI0,
542 .flags = IORESOURCE_IRQ,
546 static struct platform_device at91sam9260_spi0_device = {
550 .dma_mask = &spi_dmamask,
551 .coherent_dma_mask = DMA_BIT_MASK(32),
553 .resource = spi0_resources,
554 .num_resources = ARRAY_SIZE(spi0_resources),
557 static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PC11, AT91_PIN_PC16, AT91_PIN_PC17 };
559 static struct resource spi1_resources[] = {
561 .start = AT91SAM9260_BASE_SPI1,
562 .end = AT91SAM9260_BASE_SPI1 + SZ_16K - 1,
563 .flags = IORESOURCE_MEM,
566 .start = AT91SAM9260_ID_SPI1,
567 .end = AT91SAM9260_ID_SPI1,
568 .flags = IORESOURCE_IRQ,
572 static struct platform_device at91sam9260_spi1_device = {
576 .dma_mask = &spi_dmamask,
577 .coherent_dma_mask = DMA_BIT_MASK(32),
579 .resource = spi1_resources,
580 .num_resources = ARRAY_SIZE(spi1_resources),
583 static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB3, AT91_PIN_PC5, AT91_PIN_PC4, AT91_PIN_PC3 };
585 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
588 unsigned long cs_pin;
589 short enable_spi0 = 0;
590 short enable_spi1 = 0;
592 /* Choose SPI chip-selects */
593 for (i = 0; i < nr_devices; i++) {
594 if (devices[i].controller_data)
595 cs_pin = (unsigned long) devices[i].controller_data;
596 else if (devices[i].bus_num == 0)
597 cs_pin = spi0_standard_cs[devices[i].chip_select];
599 cs_pin = spi1_standard_cs[devices[i].chip_select];
601 if (!gpio_is_valid(cs_pin))
604 if (devices[i].bus_num == 0)
609 /* enable chip-select pin */
610 at91_set_gpio_output(cs_pin, 1);
612 /* pass chip-select pin to driver */
613 devices[i].controller_data = (void *) cs_pin;
616 spi_register_board_info(devices, nr_devices);
618 /* Configure SPI bus(es) */
620 at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */
621 at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
622 at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI1_SPCK */
624 platform_device_register(&at91sam9260_spi0_device);
627 at91_set_A_periph(AT91_PIN_PB0, 0); /* SPI1_MISO */
628 at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI1_MOSI */
629 at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI1_SPCK */
631 platform_device_register(&at91sam9260_spi1_device);
635 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
639 /* --------------------------------------------------------------------
640 * Timer/Counter blocks
641 * -------------------------------------------------------------------- */
643 #ifdef CONFIG_ATMEL_TCLIB
645 static struct resource tcb0_resources[] = {
647 .start = AT91SAM9260_BASE_TCB0,
648 .end = AT91SAM9260_BASE_TCB0 + SZ_256 - 1,
649 .flags = IORESOURCE_MEM,
652 .start = AT91SAM9260_ID_TC0,
653 .end = AT91SAM9260_ID_TC0,
654 .flags = IORESOURCE_IRQ,
657 .start = AT91SAM9260_ID_TC1,
658 .end = AT91SAM9260_ID_TC1,
659 .flags = IORESOURCE_IRQ,
662 .start = AT91SAM9260_ID_TC2,
663 .end = AT91SAM9260_ID_TC2,
664 .flags = IORESOURCE_IRQ,
668 static struct platform_device at91sam9260_tcb0_device = {
671 .resource = tcb0_resources,
672 .num_resources = ARRAY_SIZE(tcb0_resources),
675 static struct resource tcb1_resources[] = {
677 .start = AT91SAM9260_BASE_TCB1,
678 .end = AT91SAM9260_BASE_TCB1 + SZ_256 - 1,
679 .flags = IORESOURCE_MEM,
682 .start = AT91SAM9260_ID_TC3,
683 .end = AT91SAM9260_ID_TC3,
684 .flags = IORESOURCE_IRQ,
687 .start = AT91SAM9260_ID_TC4,
688 .end = AT91SAM9260_ID_TC4,
689 .flags = IORESOURCE_IRQ,
692 .start = AT91SAM9260_ID_TC5,
693 .end = AT91SAM9260_ID_TC5,
694 .flags = IORESOURCE_IRQ,
698 static struct platform_device at91sam9260_tcb1_device = {
701 .resource = tcb1_resources,
702 .num_resources = ARRAY_SIZE(tcb1_resources),
705 #if defined(CONFIG_OF)
706 static struct of_device_id tcb_ids[] = {
707 { .compatible = "atmel,at91rm9200-tcb" },
712 static void __init at91_add_device_tc(void)
714 #if defined(CONFIG_OF)
715 struct device_node *np;
717 np = of_find_matching_node(NULL, tcb_ids);
724 platform_device_register(&at91sam9260_tcb0_device);
725 platform_device_register(&at91sam9260_tcb1_device);
728 static void __init at91_add_device_tc(void) { }
732 /* --------------------------------------------------------------------
734 * -------------------------------------------------------------------- */
736 static struct resource rtt_resources[] = {
738 .start = AT91SAM9260_BASE_RTT,
739 .end = AT91SAM9260_BASE_RTT + SZ_16 - 1,
740 .flags = IORESOURCE_MEM,
742 .flags = IORESOURCE_MEM,
746 static struct platform_device at91sam9260_rtt_device = {
749 .resource = rtt_resources,
753 #if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9)
754 static void __init at91_add_device_rtt_rtc(void)
756 at91sam9260_rtt_device.name = "rtc-at91sam9";
758 * The second resource is needed:
759 * GPBR will serve as the storage for RTC time offset
761 at91sam9260_rtt_device.num_resources = 2;
762 rtt_resources[1].start = AT91SAM9260_BASE_GPBR +
763 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR;
764 rtt_resources[1].end = rtt_resources[1].start + 3;
767 static void __init at91_add_device_rtt_rtc(void)
769 /* Only one resource is needed: RTT not used as RTC */
770 at91sam9260_rtt_device.num_resources = 1;
774 static void __init at91_add_device_rtt(void)
776 at91_add_device_rtt_rtc();
777 platform_device_register(&at91sam9260_rtt_device);
781 /* --------------------------------------------------------------------
783 * -------------------------------------------------------------------- */
785 #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
786 static struct resource wdt_resources[] = {
788 .start = AT91SAM9260_BASE_WDT,
789 .end = AT91SAM9260_BASE_WDT + SZ_16 - 1,
790 .flags = IORESOURCE_MEM,
794 static struct platform_device at91sam9260_wdt_device = {
797 .resource = wdt_resources,
798 .num_resources = ARRAY_SIZE(wdt_resources),
801 static void __init at91_add_device_watchdog(void)
803 platform_device_register(&at91sam9260_wdt_device);
806 static void __init at91_add_device_watchdog(void) {}
810 /* --------------------------------------------------------------------
811 * SSC -- Synchronous Serial Controller
812 * -------------------------------------------------------------------- */
814 #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
815 static u64 ssc_dmamask = DMA_BIT_MASK(32);
817 static struct resource ssc_resources[] = {
819 .start = AT91SAM9260_BASE_SSC,
820 .end = AT91SAM9260_BASE_SSC + SZ_16K - 1,
821 .flags = IORESOURCE_MEM,
824 .start = AT91SAM9260_ID_SSC,
825 .end = AT91SAM9260_ID_SSC,
826 .flags = IORESOURCE_IRQ,
830 static struct platform_device at91sam9260_ssc_device = {
834 .dma_mask = &ssc_dmamask,
835 .coherent_dma_mask = DMA_BIT_MASK(32),
837 .resource = ssc_resources,
838 .num_resources = ARRAY_SIZE(ssc_resources),
841 static inline void configure_ssc_pins(unsigned pins)
843 if (pins & ATMEL_SSC_TF)
844 at91_set_A_periph(AT91_PIN_PB17, 1);
845 if (pins & ATMEL_SSC_TK)
846 at91_set_A_periph(AT91_PIN_PB16, 1);
847 if (pins & ATMEL_SSC_TD)
848 at91_set_A_periph(AT91_PIN_PB18, 1);
849 if (pins & ATMEL_SSC_RD)
850 at91_set_A_periph(AT91_PIN_PB19, 1);
851 if (pins & ATMEL_SSC_RK)
852 at91_set_A_periph(AT91_PIN_PB20, 1);
853 if (pins & ATMEL_SSC_RF)
854 at91_set_A_periph(AT91_PIN_PB21, 1);
858 * SSC controllers are accessed through library code, instead of any
859 * kind of all-singing/all-dancing driver. For example one could be
860 * used by a particular I2S audio codec's driver, while another one
861 * on the same system might be used by a custom data capture driver.
863 void __init at91_add_device_ssc(unsigned id, unsigned pins)
865 struct platform_device *pdev;
868 * NOTE: caller is responsible for passing information matching
869 * "pins" to whatever will be using each particular controller.
872 case AT91SAM9260_ID_SSC:
873 pdev = &at91sam9260_ssc_device;
874 configure_ssc_pins(pins);
880 platform_device_register(pdev);
884 void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
888 /* --------------------------------------------------------------------
890 * -------------------------------------------------------------------- */
891 #if defined(CONFIG_SERIAL_ATMEL)
892 static struct resource dbgu_resources[] = {
894 .start = AT91SAM9260_BASE_DBGU,
895 .end = AT91SAM9260_BASE_DBGU + SZ_512 - 1,
896 .flags = IORESOURCE_MEM,
899 .start = AT91_ID_SYS,
901 .flags = IORESOURCE_IRQ,
905 static struct atmel_uart_data dbgu_data = {
907 .use_dma_rx = 0, /* DBGU not capable of receive DMA */
910 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
912 static struct platform_device at91sam9260_dbgu_device = {
913 .name = "atmel_usart",
916 .dma_mask = &dbgu_dmamask,
917 .coherent_dma_mask = DMA_BIT_MASK(32),
918 .platform_data = &dbgu_data,
920 .resource = dbgu_resources,
921 .num_resources = ARRAY_SIZE(dbgu_resources),
924 static inline void configure_dbgu_pins(void)
926 at91_set_A_periph(AT91_PIN_PB14, 0); /* DRXD */
927 at91_set_A_periph(AT91_PIN_PB15, 1); /* DTXD */
930 static struct resource uart0_resources[] = {
932 .start = AT91SAM9260_BASE_US0,
933 .end = AT91SAM9260_BASE_US0 + SZ_16K - 1,
934 .flags = IORESOURCE_MEM,
937 .start = AT91SAM9260_ID_US0,
938 .end = AT91SAM9260_ID_US0,
939 .flags = IORESOURCE_IRQ,
943 static struct atmel_uart_data uart0_data = {
948 static u64 uart0_dmamask = DMA_BIT_MASK(32);
950 static struct platform_device at91sam9260_uart0_device = {
951 .name = "atmel_usart",
954 .dma_mask = &uart0_dmamask,
955 .coherent_dma_mask = DMA_BIT_MASK(32),
956 .platform_data = &uart0_data,
958 .resource = uart0_resources,
959 .num_resources = ARRAY_SIZE(uart0_resources),
962 static inline void configure_usart0_pins(unsigned pins)
964 at91_set_A_periph(AT91_PIN_PB4, 1); /* TXD0 */
965 at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD0 */
967 if (pins & ATMEL_UART_RTS)
968 at91_set_A_periph(AT91_PIN_PB26, 0); /* RTS0 */
969 if (pins & ATMEL_UART_CTS)
970 at91_set_A_periph(AT91_PIN_PB27, 0); /* CTS0 */
971 if (pins & ATMEL_UART_DTR)
972 at91_set_A_periph(AT91_PIN_PB24, 0); /* DTR0 */
973 if (pins & ATMEL_UART_DSR)
974 at91_set_A_periph(AT91_PIN_PB22, 0); /* DSR0 */
975 if (pins & ATMEL_UART_DCD)
976 at91_set_A_periph(AT91_PIN_PB23, 0); /* DCD0 */
977 if (pins & ATMEL_UART_RI)
978 at91_set_A_periph(AT91_PIN_PB25, 0); /* RI0 */
981 static struct resource uart1_resources[] = {
983 .start = AT91SAM9260_BASE_US1,
984 .end = AT91SAM9260_BASE_US1 + SZ_16K - 1,
985 .flags = IORESOURCE_MEM,
988 .start = AT91SAM9260_ID_US1,
989 .end = AT91SAM9260_ID_US1,
990 .flags = IORESOURCE_IRQ,
994 static struct atmel_uart_data uart1_data = {
999 static u64 uart1_dmamask = DMA_BIT_MASK(32);
1001 static struct platform_device at91sam9260_uart1_device = {
1002 .name = "atmel_usart",
1005 .dma_mask = &uart1_dmamask,
1006 .coherent_dma_mask = DMA_BIT_MASK(32),
1007 .platform_data = &uart1_data,
1009 .resource = uart1_resources,
1010 .num_resources = ARRAY_SIZE(uart1_resources),
1013 static inline void configure_usart1_pins(unsigned pins)
1015 at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD1 */
1016 at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD1 */
1018 if (pins & ATMEL_UART_RTS)
1019 at91_set_A_periph(AT91_PIN_PB28, 0); /* RTS1 */
1020 if (pins & ATMEL_UART_CTS)
1021 at91_set_A_periph(AT91_PIN_PB29, 0); /* CTS1 */
1024 static struct resource uart2_resources[] = {
1026 .start = AT91SAM9260_BASE_US2,
1027 .end = AT91SAM9260_BASE_US2 + SZ_16K - 1,
1028 .flags = IORESOURCE_MEM,
1031 .start = AT91SAM9260_ID_US2,
1032 .end = AT91SAM9260_ID_US2,
1033 .flags = IORESOURCE_IRQ,
1037 static struct atmel_uart_data uart2_data = {
1042 static u64 uart2_dmamask = DMA_BIT_MASK(32);
1044 static struct platform_device at91sam9260_uart2_device = {
1045 .name = "atmel_usart",
1048 .dma_mask = &uart2_dmamask,
1049 .coherent_dma_mask = DMA_BIT_MASK(32),
1050 .platform_data = &uart2_data,
1052 .resource = uart2_resources,
1053 .num_resources = ARRAY_SIZE(uart2_resources),
1056 static inline void configure_usart2_pins(unsigned pins)
1058 at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD2 */
1059 at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD2 */
1061 if (pins & ATMEL_UART_RTS)
1062 at91_set_A_periph(AT91_PIN_PA4, 0); /* RTS2 */
1063 if (pins & ATMEL_UART_CTS)
1064 at91_set_A_periph(AT91_PIN_PA5, 0); /* CTS2 */
1067 static struct resource uart3_resources[] = {
1069 .start = AT91SAM9260_BASE_US3,
1070 .end = AT91SAM9260_BASE_US3 + SZ_16K - 1,
1071 .flags = IORESOURCE_MEM,
1074 .start = AT91SAM9260_ID_US3,
1075 .end = AT91SAM9260_ID_US3,
1076 .flags = IORESOURCE_IRQ,
1080 static struct atmel_uart_data uart3_data = {
1085 static u64 uart3_dmamask = DMA_BIT_MASK(32);
1087 static struct platform_device at91sam9260_uart3_device = {
1088 .name = "atmel_usart",
1091 .dma_mask = &uart3_dmamask,
1092 .coherent_dma_mask = DMA_BIT_MASK(32),
1093 .platform_data = &uart3_data,
1095 .resource = uart3_resources,
1096 .num_resources = ARRAY_SIZE(uart3_resources),
1099 static inline void configure_usart3_pins(unsigned pins)
1101 at91_set_A_periph(AT91_PIN_PB10, 1); /* TXD3 */
1102 at91_set_A_periph(AT91_PIN_PB11, 0); /* RXD3 */
1104 if (pins & ATMEL_UART_RTS)
1105 at91_set_B_periph(AT91_PIN_PC8, 0); /* RTS3 */
1106 if (pins & ATMEL_UART_CTS)
1107 at91_set_B_periph(AT91_PIN_PC10, 0); /* CTS3 */
1110 static struct resource uart4_resources[] = {
1112 .start = AT91SAM9260_BASE_US4,
1113 .end = AT91SAM9260_BASE_US4 + SZ_16K - 1,
1114 .flags = IORESOURCE_MEM,
1117 .start = AT91SAM9260_ID_US4,
1118 .end = AT91SAM9260_ID_US4,
1119 .flags = IORESOURCE_IRQ,
1123 static struct atmel_uart_data uart4_data = {
1128 static u64 uart4_dmamask = DMA_BIT_MASK(32);
1130 static struct platform_device at91sam9260_uart4_device = {
1131 .name = "atmel_usart",
1134 .dma_mask = &uart4_dmamask,
1135 .coherent_dma_mask = DMA_BIT_MASK(32),
1136 .platform_data = &uart4_data,
1138 .resource = uart4_resources,
1139 .num_resources = ARRAY_SIZE(uart4_resources),
1142 static inline void configure_usart4_pins(void)
1144 at91_set_B_periph(AT91_PIN_PA31, 1); /* TXD4 */
1145 at91_set_B_periph(AT91_PIN_PA30, 0); /* RXD4 */
1148 static struct resource uart5_resources[] = {
1150 .start = AT91SAM9260_BASE_US5,
1151 .end = AT91SAM9260_BASE_US5 + SZ_16K - 1,
1152 .flags = IORESOURCE_MEM,
1155 .start = AT91SAM9260_ID_US5,
1156 .end = AT91SAM9260_ID_US5,
1157 .flags = IORESOURCE_IRQ,
1161 static struct atmel_uart_data uart5_data = {
1166 static u64 uart5_dmamask = DMA_BIT_MASK(32);
1168 static struct platform_device at91sam9260_uart5_device = {
1169 .name = "atmel_usart",
1172 .dma_mask = &uart5_dmamask,
1173 .coherent_dma_mask = DMA_BIT_MASK(32),
1174 .platform_data = &uart5_data,
1176 .resource = uart5_resources,
1177 .num_resources = ARRAY_SIZE(uart5_resources),
1180 static inline void configure_usart5_pins(void)
1182 at91_set_A_periph(AT91_PIN_PB12, 1); /* TXD5 */
1183 at91_set_A_periph(AT91_PIN_PB13, 0); /* RXD5 */
1186 static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
1188 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1190 struct platform_device *pdev;
1191 struct atmel_uart_data *pdata;
1195 pdev = &at91sam9260_dbgu_device;
1196 configure_dbgu_pins();
1198 case AT91SAM9260_ID_US0:
1199 pdev = &at91sam9260_uart0_device;
1200 configure_usart0_pins(pins);
1202 case AT91SAM9260_ID_US1:
1203 pdev = &at91sam9260_uart1_device;
1204 configure_usart1_pins(pins);
1206 case AT91SAM9260_ID_US2:
1207 pdev = &at91sam9260_uart2_device;
1208 configure_usart2_pins(pins);
1210 case AT91SAM9260_ID_US3:
1211 pdev = &at91sam9260_uart3_device;
1212 configure_usart3_pins(pins);
1214 case AT91SAM9260_ID_US4:
1215 pdev = &at91sam9260_uart4_device;
1216 configure_usart4_pins();
1218 case AT91SAM9260_ID_US5:
1219 pdev = &at91sam9260_uart5_device;
1220 configure_usart5_pins();
1225 pdata = pdev->dev.platform_data;
1226 pdata->num = portnr; /* update to mapped ID */
1228 if (portnr < ATMEL_MAX_UART)
1229 at91_uarts[portnr] = pdev;
1232 void __init at91_set_serial_console(unsigned portnr)
1234 if (portnr < ATMEL_MAX_UART) {
1235 atmel_default_console_device = at91_uarts[portnr];
1236 at91sam9260_set_console_clock(at91_uarts[portnr]->id);
1240 void __init at91_add_device_serial(void)
1244 for (i = 0; i < ATMEL_MAX_UART; i++) {
1246 platform_device_register(at91_uarts[i]);
1249 if (!atmel_default_console_device)
1250 printk(KERN_INFO "AT91: No default serial console defined.\n");
1253 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
1254 void __init at91_set_serial_console(unsigned portnr) {}
1255 void __init at91_add_device_serial(void) {}
1258 /* --------------------------------------------------------------------
1260 * -------------------------------------------------------------------- */
1262 #if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \
1263 defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE)
1265 static struct at91_cf_data cf0_data;
1267 static struct resource cf0_resources[] = {
1269 .start = AT91_CHIPSELECT_4,
1270 .end = AT91_CHIPSELECT_4 + SZ_256M - 1,
1271 .flags = IORESOURCE_MEM,
1275 static struct platform_device cf0_device = {
1278 .platform_data = &cf0_data,
1280 .resource = cf0_resources,
1281 .num_resources = ARRAY_SIZE(cf0_resources),
1284 static struct at91_cf_data cf1_data;
1286 static struct resource cf1_resources[] = {
1288 .start = AT91_CHIPSELECT_5,
1289 .end = AT91_CHIPSELECT_5 + SZ_256M - 1,
1290 .flags = IORESOURCE_MEM,
1294 static struct platform_device cf1_device = {
1297 .platform_data = &cf1_data,
1299 .resource = cf1_resources,
1300 .num_resources = ARRAY_SIZE(cf1_resources),
1303 void __init at91_add_device_cf(struct at91_cf_data *data)
1305 struct platform_device *pdev;
1311 csa = at91_matrix_read(AT91_MATRIX_EBICSA);
1313 switch (data->chipselect) {
1315 at91_set_multi_drive(AT91_PIN_PC8, 0);
1316 at91_set_A_periph(AT91_PIN_PC8, 0);
1317 csa |= AT91_MATRIX_CS4A_SMC_CF1;
1322 at91_set_multi_drive(AT91_PIN_PC9, 0);
1323 at91_set_A_periph(AT91_PIN_PC9, 0);
1324 csa |= AT91_MATRIX_CS5A_SMC_CF2;
1329 printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n",
1334 at91_matrix_write(AT91_MATRIX_EBICSA, csa);
1336 if (gpio_is_valid(data->rst_pin)) {
1337 at91_set_multi_drive(data->rst_pin, 0);
1338 at91_set_gpio_output(data->rst_pin, 1);
1341 if (gpio_is_valid(data->irq_pin)) {
1342 at91_set_gpio_input(data->irq_pin, 0);
1343 at91_set_deglitch(data->irq_pin, 1);
1346 if (gpio_is_valid(data->det_pin)) {
1347 at91_set_gpio_input(data->det_pin, 0);
1348 at91_set_deglitch(data->det_pin, 1);
1351 at91_set_B_periph(AT91_PIN_PC6, 0); /* CFCE1 */
1352 at91_set_B_periph(AT91_PIN_PC7, 0); /* CFCE2 */
1353 at91_set_A_periph(AT91_PIN_PC10, 0); /* CFRNW */
1354 at91_set_A_periph(AT91_PIN_PC15, 1); /* NWAIT */
1356 if (data->flags & AT91_CF_TRUE_IDE)
1357 #if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE)
1358 pdev->name = "pata_at91";
1360 #warning "board requires AT91_CF_TRUE_IDE: enable pata_at91"
1363 pdev->name = "at91_cf";
1365 platform_device_register(pdev);
1369 void __init at91_add_device_cf(struct at91_cf_data * data) {}
1372 /* -------------------------------------------------------------------- */
1374 * These devices are always present and don't need any board-specific
1377 static int __init at91_add_standard_devices(void)
1379 at91_add_device_rtt();
1380 at91_add_device_watchdog();
1381 at91_add_device_tc();
1385 arch_initcall(at91_add_standard_devices);