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- /*
- * arch/arm/mach-at91/at91sam9261_devices.c
- *
- * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
- * Copyright (C) 2005 David Brownell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- */
- #include <asm/mach/arch.h>
- #include <asm/mach/map.h>
- #include <linux/dma-mapping.h>
- #include <linux/gpio.h>
- #include <linux/platform_device.h>
- #include <linux/i2c-gpio.h>
- #include <linux/fb.h>
- #include <video/atmel_lcdc.h>
- #include <mach/at91sam9261.h>
- #include <mach/at91sam9261_matrix.h>
- #include <mach/at91_matrix.h>
- #include <mach/at91sam9_smc.h>
- #include "board.h"
- #include "generic.h"
- /* --------------------------------------------------------------------
- * USB Host
- * -------------------------------------------------------------------- */
- #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
- static u64 ohci_dmamask = DMA_BIT_MASK(32);
- static struct at91_usbh_data usbh_data;
- static struct resource usbh_resources[] = {
- [0] = {
- .start = AT91SAM9261_UHP_BASE,
- .end = AT91SAM9261_UHP_BASE + SZ_1M - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = NR_IRQS_LEGACY + AT91SAM9261_ID_UHP,
- .end = NR_IRQS_LEGACY + AT91SAM9261_ID_UHP,
- .flags = IORESOURCE_IRQ,
- },
- };
- static struct platform_device at91sam9261_usbh_device = {
- .name = "at91_ohci",
- .id = -1,
- .dev = {
- .dma_mask = &ohci_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- .platform_data = &usbh_data,
- },
- .resource = usbh_resources,
- .num_resources = ARRAY_SIZE(usbh_resources),
- };
- void __init at91_add_device_usbh(struct at91_usbh_data *data)
- {
- int i;
- if (!data)
- return;
- /* Enable overcurrent notification */
- for (i = 0; i < data->ports; i++) {
- if (gpio_is_valid(data->overcurrent_pin[i]))
- at91_set_gpio_input(data->overcurrent_pin[i], 1);
- }
- usbh_data = *data;
- platform_device_register(&at91sam9261_usbh_device);
- }
- #else
- void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
- #endif
- /* --------------------------------------------------------------------
- * USB Device (Gadget)
- * -------------------------------------------------------------------- */
- #if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE)
- static struct at91_udc_data udc_data;
- static struct resource udc_resources[] = {
- [0] = {
- .start = AT91SAM9261_BASE_UDP,
- .end = AT91SAM9261_BASE_UDP + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = NR_IRQS_LEGACY + AT91SAM9261_ID_UDP,
- .end = NR_IRQS_LEGACY + AT91SAM9261_ID_UDP,
- .flags = IORESOURCE_IRQ,
- },
- };
- static struct platform_device at91sam9261_udc_device = {
- .name = "at91_udc",
- .id = -1,
- .dev = {
- .platform_data = &udc_data,
- },
- .resource = udc_resources,
- .num_resources = ARRAY_SIZE(udc_resources),
- };
- void __init at91_add_device_udc(struct at91_udc_data *data)
- {
- if (!data)
- return;
- if (gpio_is_valid(data->vbus_pin)) {
- at91_set_gpio_input(data->vbus_pin, 0);
- at91_set_deglitch(data->vbus_pin, 1);
- }
- /* Pullup pin is handled internally by USB device peripheral */
- udc_data = *data;
- platform_device_register(&at91sam9261_udc_device);
- }
- #else
- void __init at91_add_device_udc(struct at91_udc_data *data) {}
- #endif
- /* --------------------------------------------------------------------
- * MMC / SD
- * -------------------------------------------------------------------- */
- #if IS_ENABLED(CONFIG_MMC_ATMELMCI)
- static u64 mmc_dmamask = DMA_BIT_MASK(32);
- static struct mci_platform_data mmc_data;
- static struct resource mmc_resources[] = {
- [0] = {
- .start = AT91SAM9261_BASE_MCI,
- .end = AT91SAM9261_BASE_MCI + SZ_16K - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = NR_IRQS_LEGACY + AT91SAM9261_ID_MCI,
- .end = NR_IRQS_LEGACY + AT91SAM9261_ID_MCI,
- .flags = IORESOURCE_IRQ,
- },
- };
- static struct platform_device at91sam9261_mmc_device = {
- .name = "atmel_mci",
- .id = -1,
- .dev = {
- .dma_mask = &mmc_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- .platform_data = &mmc_data,
- },
- .resource = mmc_resources,
- .num_resources = ARRAY_SIZE(mmc_resources),
- };
- void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
- {
- if (!data)
- return;
- if (data->slot[0].bus_width) {
- /* input/irq */
- if (gpio_is_valid(data->slot[0].detect_pin)) {
- at91_set_gpio_input(data->slot[0].detect_pin, 1);
- at91_set_deglitch(data->slot[0].detect_pin, 1);
- }
- if (gpio_is_valid(data->slot[0].wp_pin))
- at91_set_gpio_input(data->slot[0].wp_pin, 1);
- /* CLK */
- at91_set_B_periph(AT91_PIN_PA2, 0);
- /* CMD */
- at91_set_B_periph(AT91_PIN_PA1, 1);
- /* DAT0, maybe DAT1..DAT3 */
- at91_set_B_periph(AT91_PIN_PA0, 1);
- if (data->slot[0].bus_width == 4) {
- at91_set_B_periph(AT91_PIN_PA4, 1);
- at91_set_B_periph(AT91_PIN_PA5, 1);
- at91_set_B_periph(AT91_PIN_PA6, 1);
- }
- mmc_data = *data;
- platform_device_register(&at91sam9261_mmc_device);
- }
- }
- #else
- void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {}
- #endif
- /* --------------------------------------------------------------------
- * NAND / SmartMedia
- * -------------------------------------------------------------------- */
- #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
- static struct atmel_nand_data nand_data;
- #define NAND_BASE AT91_CHIPSELECT_3
- static struct resource nand_resources[] = {
- {
- .start = NAND_BASE,
- .end = NAND_BASE + SZ_256M - 1,
- .flags = IORESOURCE_MEM,
- }
- };
- static struct platform_device atmel_nand_device = {
- .name = "atmel_nand",
- .id = -1,
- .dev = {
- .platform_data = &nand_data,
- },
- .resource = nand_resources,
- .num_resources = ARRAY_SIZE(nand_resources),
- };
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