aiot/waterDataDiscreteRateMining/dataSharedMemory/varianceMemoryDefinition.c

/*
 * arch/arm/mach-at91/at91sam9263_devices.c
 *
 *  Copyright (C) 2007 Atmel Corporation.
 *
 * 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/at91sam9263.h>
#include <mach/at91sam9263_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	= AT91SAM9263_UHP_BASE,
		.end	= AT91SAM9263_UHP_BASE + SZ_1M - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= NR_IRQS_LEGACY + AT91SAM9263_ID_UHP,
		.end	= NR_IRQS_LEGACY + AT91SAM9263_ID_UHP,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device at91_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 VBus control for UHP ports */
	for (i = 0; i < data->ports; i++) {
		if (gpio_is_valid(data->vbus_pin[i]))
			at91_set_gpio_output(data->vbus_pin[i],
					     data->vbus_pin_active_low[i]);
	}

	/* 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(&at91_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	= AT91SAM9263_BASE_UDP,
		.end	= AT91SAM9263_BASE_UDP + SZ_16K - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= NR_IRQS_LEGACY + AT91SAM9263_ID_UDP,
		.end	= NR_IRQS_LEGACY + AT91SAM9263_ID_UDP,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device at91_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(&at91_udc_device);
}
#else
void __init at91_add_device_udc(struct at91_udc_data *data) {}
#endif


/* --------------------------------------------------------------------
 *  Ethernet
 * -------------------------------------------------------------------- */

#if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
static u64 eth_dmamask = DMA_BIT_MASK(32);
static struct macb_platform_data eth_data;

static struct resource eth_resources[] = {
	[0] = {
		.start	= AT91SAM9263_BASE_EMAC,
		.end	= AT91SAM9263_BASE_EMAC + SZ_16K - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= NR_IRQS_LEGACY + AT91SAM9263_ID_EMAC,
		.end	= NR_IRQS_LEGACY + AT91SAM9263_ID_EMAC,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device at91sam9263_eth_device = {
	.name		= "macb",
	.id		= -1,
	.dev		= {
				.dma_mask		= &eth_dmamask,
				.coherent_dma_mask	= DMA_BIT_MASK(32),
				.platform_data		= &eth_data,
	},
	.resource	= eth_resources,
	.num_resources	= ARRAY_SIZE(eth_resources),
};

void __init at91_add_device_eth(struct macb_platform_data *data)
{
	if (!data)
		return;

	if (gpio_is_valid(data->phy_irq_pin)) {
		at91_set_gpio_input(data->phy_irq_pin, 0);
		at91_set_deglitch(data->phy_irq_pin, 1);
	}

	/* Pins used for MII and RMII */
	at91_set_A_periph(AT91_PIN_PE21, 0);	/* ETXCK_EREFCK */
	at91_set_B_periph(AT91_PIN_PC25, 0);	/* ERXDV */
	at91_set_A_periph(AT91_PIN_PE25, 0);	/* ERX0 */
	at91_set_A_periph(AT91_PIN_PE26, 0);	/* ERX1 */
	at91_set_A_periph(AT91_PIN_PE27, 0);	/* ERXER */
	at91_set_A_periph(AT91_PIN_PE28, 0);	/* ETXEN */
	at91_set_A_periph(AT91_PIN_PE23, 0);	/* ETX0 */
	at91_set_A_periph(AT91_PIN_PE24, 0);	/* ETX1 */
	at91_set_A_periph(AT91_PIN_PE30, 0);	/* EMDIO */
	at91_set_A_periph(AT91_PIN_PE29, 0);	/* EMDC */

	if (!data->is_rmii) {
		at91_set_A_periph(AT91_PIN_PE22, 0);	/* ECRS */
		at91_set_B_periph(AT91_PIN_PC26, 0);	/* ECOL */
		at91_set_B_periph(AT91_PIN_PC22, 0);	/* ERX2 */
		at91_set_B_periph(AT91_PIN_PC23, 0);	/* ERX3 */
		at91_set_B_periph(AT91_PIN_PC27, 0);	/* ERXCK */
		at91_set_B_periph(AT91_PIN_PC20, 0);	/* ETX2 */
		at91_set_B_periph(AT91_PIN_PC21, 0);	/* ETX3 */
		at91_set_B_periph(AT91_PIN_PC24, 0);	/* ETXER */
	}

	eth_data = *data;
	platform_device_register(&at91sam9263_eth_device);
}
#else
void __init at91_add_device_eth(struct macb_platform_data *data) {}
#endif


/* --------------------------------------------------------------------
 *  MMC / SD
 * -------------------------------------------------------------------- */

#if IS_ENABLED(CONFIG_MMC_ATMELMCI)
static u64 mmc_dmamask = DMA_BIT_MASK(32);
static struct mci_platform_data mmc0_data, mmc1_data;

static struct resource mmc0_resources[] = {
	[0] = {
		.start	= AT91SAM9263_BASE_MCI0,
		.end	= AT91SAM9263_BASE_MCI0 + SZ_16K - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= NR_IRQS_LEGACY + AT91SAM9263_ID_MCI0,
		.end	= NR_IRQS_LEGACY + AT91SAM9263_ID_MCI0,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device at91sam9263_mmc0_device = {
	.name		= "atmel_mci",
	.id		= 0,
	.dev		= {
				.dma_mask		= &mmc_dmamask,
				.coherent_dma_mask	= DMA_BIT_MASK(32),
				.platform_data		= &mmc0_data,
	},
	.resource	= mmc0_resources,
	.num_resources	= ARRAY_SIZE(mmc0_resources),
};

static struct resource mmc1_resources[] = {
	[0] = {
		.start	= AT91SAM9263_BASE_MCI1,
		.end	= AT91SAM9263_BASE_MCI1 + SZ_16K - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= NR_IRQS_LEGACY + AT91SAM9263_ID_MCI1,
		.end	= NR_IRQS_LEGACY + AT91SAM9263_ID_MCI1,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device at91sam9263_mmc1_device = {
	.name		= "atmel_mci",
	.id		= 1,
	.dev		= {
				.dma_mask		= &mmc_dmamask,
				.coherent_dma_mask	= DMA_BIT_MASK(32),
				.platform_data		= &mmc1_data,
	},
	.resource	= mmc1_resources,
	.num_resources	= ARRAY_SIZE(mmc1_resources),
};

void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
{
	unsigned int i;
	unsigned int slot_count = 0;

	if (!data)
		return;

	for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {

		if (!data->slot[i].bus_width)
			continue;

		/* input/irq */
		if (gpio_is_valid(data->slot[i].detect_pin)) {
			at91_set_gpio_input(data->slot[i].detect_pin,
					1);
			at91_set_deglitch(data->slot[i].detect_pin,
					1);
		}
		if (gpio_is_valid(data->slot[i].wp_pin))
			at91_set_gpio_input(data->slot[i].wp_pin, 1);

		if (mmc_id == 0) {				/* MCI0 */
			switch (i) {
			case 0:					/* slot A */
				/* CMD */
				at91_set_A_periph(AT91_PIN_PA1, 1);
				/* DAT0, maybe DAT1..DAT3 */
				at91_set_A_periph(AT91_PIN_PA0, 1);
				if (data->slot[i].bus_width == 4) {
					at91_set_A_periph(AT91_PIN_PA3, 1);
					at91_set_A_periph(AT91_PIN_PA4, 1);
					at91_set_A_periph(AT91_PIN_PA5, 1);
				}
				slot_count++;
				break;
			case 1:					/* slot B */
				/* CMD */
				at91_set_A_periph(AT91_PIN_PA16, 1);
				/* DAT0, maybe DAT1..DAT3 */
				at91_set_A_periph(AT91_PIN_PA17, 1);
				if (data->slot[i].bus_width == 4) {
					at91_set_A_periph(AT91_PIN_PA18, 1);
					at91_set_A_periph(AT91_PIN_PA19, 1);
					at91_set_A_periph(AT91_PIN_PA20, 1);
				}
				slot_count++;
				break;
			default:
				printk(KERN_ERR
				       "AT91: SD/MMC slot %d not available\n", i);
				break;
			}
			if (slot_count) {
				/* CLK */
				at91_set_A_periph(AT91_PIN_PA12, 0);

				mmc0_data = *data;
				platform_device_register(&at91sam9263_mmc0_device);
			}
		} else if (mmc_id == 1) {			/* MCI1 */
			switch (i) {
			case 0:					/* slot A */
				/* CMD */
				at91_set_A_periph(AT91_PIN_PA7, 1);
				/* DAT0, maybe DAT1..DAT3 */
				at91_set_A_periph(AT91_PIN_PA8, 1);
				if (data->slot[i].bus_width == 4) {
					at91_set_A_periph(AT91_PIN_PA9, 1);
					at91_set_A_periph(AT91_PIN_PA10, 1);
					at91_set_A_periph(AT91_PIN_PA11, 1);
				}
				slot_count++;
				break;
			case 1:					/* slot B */
				/* CMD */
				at91_set_A_periph(AT91_PIN_PA21, 1);
				/* DAT0, maybe DAT1..DAT3 */
				at91_set_A_periph(AT91_PIN_PA22, 1);
				if (data->slot[i].bus_width == 4) {
					at91_set_A_periph(AT91_PIN_PA23, 1);
					at91_set_A_periph(AT91_PIN_PA24, 1);
					at91_set_A_periph(AT91_PIN_PA25, 1);
				}
				slot_count++;
				break;
			default:
				printk(KERN_ERR
				       "AT91: SD/MMC slot %d not available\n", i);
				break;
			}
			if (slot_count) {
				/* CLK */
				at91_set_A_periph(AT91_PIN_PA6, 0);

				mmc1_data = *data;
				platform_device_register(&at91sam9263_mmc1_device);
			}
		}
	}
}
#else
void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {}
#endif

/* --------------------------------------------------------------------
 *  Compact Flash (PCMCIA or IDE)
 * -------------------------------------------------------------------- */

#if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \
	defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE)

static struct at91_cf_data cf0_data;

static struct resource cf0_resources[] = {
	[0] = {
		.start	= AT91_CHIPSELECT_4,
		.end	= AT91_CHIPSELECT_4 + SZ_256M - 1,
		.flags	= IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
	}
};

static struct platform_device cf0_device = {
	.id		= 0,
	.dev		= {
				.platform_data	= &cf0_data,
	},
	.resource	= cf0_resources,
	.num_resources	= ARRAY_SIZE(cf0_resources),
};

static struct at91_cf_data cf1_data;

static struct resource cf1_resources[] = {
	[0] = {
		.start	= AT91_CHIPSELECT_5,
		.end	= AT91_CHIPSELECT_5 + SZ_256M - 1,
		.flags	= IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
	}
};

static struct platform_device cf1_device = {
	.id		= 1,
	.dev		= {
				.platform_data	= &cf1_data,
	},
	.resource	= cf1_resources,
	.num_resources	= ARRAY_SIZE(cf1_resources),
};

void __init at91_add_device_cf(struct at91_cf_data *data)
{
	unsigned long ebi0_csa;
	struct platform_device *pdev;

	if (!data)
		return;

	/*
	 * assign CS4 or CS5 to SMC with Compact Flash logic support,
	 * we assume SMC timings are configured by board code,
	 * except True IDE where timings are controlled by driver
	 */
	ebi0_csa = at91_matrix_read(AT91_MATRIX_EBI0CSA);
	switch (data->chipselect) {
	case 4:
		at91_set_A_periph(AT91_PIN_PD6, 0);  /* EBI0_NCS4/CFCS0 */
		ebi0_csa |= AT91_MATRIX_EBI0_CS4A_SMC_CF1;
		cf0_data = *data;
		pdev = &cf0_device;
		break;
	case 5:
		at91_set_A_periph(AT91_PIN_PD7, 0);  /* EBI0_NCS5/CFCS1 */
		ebi0_csa |= AT91_MATRIX_EBI0_CS5A_SMC_CF2;
		cf1_data = *data;
		pdev = &cf1_device;
		break;
	default:
		printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n",
		       data->chipselect);
		return;
	}
	at91_matrix_write(AT91_MATRIX_EBI0CSA, ebi0_csa);

	if (gpio_is_valid(data->det_pin)) {
		at91_set_gpio_input(data->det_pin, 1);
		at91_set_deglitch(data->det_pin, 1);
	}

	if (gpio_is_valid(data->irq_pin)) {
		at91_set_gpio_input(data->irq_pin, 1);
		at91_set_deglitch(data->irq_pin, 1);