text: /*
   * arch/arm/mach-at91/at91cap9_devices.c
   *
   *  Copyright (C) 2007 Stelian Pop <stelian.pop@leadtechdesign.com>
   *  Copyright (C) 2007 Lead Tech Design <www.leadtechdesign.com>
   *  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 <asm/mach/irq.h>
  
  #include <linux/dma-mapping.h>
  #include <linux/platform_device.h>
  #include <linux/i2c-gpio.h>
  
  #include <video/atmel_lcdc.h>
  
  #include <mach/board.h>
  #include <mach/cpu.h>
  #include <mach/gpio.h>
  #include <mach/at91cap9.h>
  #include <mach/at91cap9_matrix.h>
  #include <mach/at91sam9_smc.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	= AT91CAP9_UHP_BASE,
  		.end	= AT91CAP9_UHP_BASE + SZ_1M - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_ID_UHP,
  		.end	= AT91CAP9_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;
  
  	if (cpu_is_at91cap9_revB())
  		set_irq_type(AT91CAP9_ID_UHP, IRQ_TYPE_LEVEL_HIGH);
  
  	/* Enable VBus control for UHP ports */
  	for (i = 0; i < data->ports; i++) {
  		if (data->vbus_pin[i])
  			at91_set_gpio_output(data->vbus_pin[i], 0);
  	}
  
  	usbh_data = *data;
  	platform_device_register(&at91_usbh_device);
  }
  #else
  void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  #endif
  
  
  /* --------------------------------------------------------------------
   *  USB HS Device (Gadget)
   * -------------------------------------------------------------------- */
  
  #if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE)
  
  static struct resource usba_udc_resources[] = {
  	[0] = {
  		.start	= AT91CAP9_UDPHS_FIFO,
  		.end	= AT91CAP9_UDPHS_FIFO + SZ_512K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_BASE_UDPHS,
  		.end	= AT91CAP9_BASE_UDPHS + SZ_1K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[2] = {
  		.start	= AT91CAP9_ID_UDPHS,
  		.end	= AT91CAP9_ID_UDPHS,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  #define EP(nam, idx, maxpkt, maxbk, dma, isoc)			\
  	[idx] = {						\
  		.name		= nam,				\
  		.index		= idx,				\
  		.fifo_size	= maxpkt,			\
  		.nr_banks	= maxbk,			\
  		.can_dma	= dma,				\
  		.can_isoc	= isoc,				\
  	}
  
  static struct usba_ep_data usba_udc_ep[] = {
  	EP("ep0", 0,   64, 1, 0, 0),
  	EP("ep1", 1, 1024, 3, 1, 1),
  	EP("ep2", 2, 1024, 3, 1, 1),
  	EP("ep3", 3, 1024, 2, 1, 1),
  	EP("ep4", 4, 1024, 2, 1, 1),
  	EP("ep5", 5, 1024, 2, 1, 0),
  	EP("ep6", 6, 1024, 2, 1, 0),
  	EP("ep7", 7, 1024, 2, 0, 0),
  };
  
  #undef EP
  
  /*
   * pdata doesn't have room for any endpoints, so we need to
   * append room for the ones we need right after it.
   */
  static struct {
  	struct usba_platform_data pdata;
  	struct usba_ep_data ep[8];
  } usba_udc_data;
  
  static struct platform_device at91_usba_udc_device = {
  	.name		= "atmel_usba_udc",
  	.id		= -1,
  	.dev		= {
  				.platform_data	= &usba_udc_data.pdata,
  	},
  	.resource	= usba_udc_resources,
  	.num_resources	= ARRAY_SIZE(usba_udc_resources),
  };
  
  void __init at91_add_device_usba(struct usba_platform_data *data)
  {
  	if (cpu_is_at91cap9_revB()) {
  		set_irq_type(AT91CAP9_ID_UDPHS, IRQ_TYPE_LEVEL_HIGH);
  		at91_sys_write(AT91_MATRIX_UDPHS, AT91_MATRIX_SELECT_UDPHS |
  						  AT91_MATRIX_UDPHS_BYPASS_LOCK);
  	}
  	else
  		at91_sys_write(AT91_MATRIX_UDPHS, AT91_MATRIX_SELECT_UDPHS);
  
  	/*
  	 * Invalid pins are 0 on AT91, but the usba driver is shared
  	 * with AVR32, which use negative values instead. Once/if
  	 * gpio_is_valid() is ported to AT91, revisit this code.
  	 */
  	usba_udc_data.pdata.vbus_pin = -EINVAL;
  	usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep);
  	memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));;
  
  	if (data && data->vbus_pin > 0) {
  		at91_set_gpio_input(data->vbus_pin, 0);
  		at91_set_deglitch(data->vbus_pin, 1);
  		usba_udc_data.pdata.vbus_pin = data->vbus_pin;
  	}
  
  	/* Pullup pin is handled internally by USB device peripheral */
  
  	/* Clocks */
  	at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk");
  	at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk");
  
  	platform_device_register(&at91_usba_udc_device);
  }
  #else
  void __init at91_add_device_usba(struct usba_platform_data *data) {}
  #endif
  
  
  /* --------------------------------------------------------------------
   *  Ethernet
   * -------------------------------------------------------------------- */
  
  #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
  static u64 eth_dmamask = DMA_BIT_MASK(32);
  static struct at91_eth_data eth_data;
  
  static struct resource eth_resources[] = {
  	[0] = {
  		.start	= AT91CAP9_BASE_EMAC,
  		.end	= AT91CAP9_BASE_EMAC + SZ_16K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_ID_EMAC,
  		.end	= AT91CAP9_ID_EMAC,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device at91cap9_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 at91_eth_data *data)
  {
  	if (!data)
  		return;
  
  	if (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_PB21, 0);	/* ETXCK_EREFCK */
  	at91_set_A_periph(AT91_PIN_PB22, 0);	/* ERXDV */
  	at91_set_A_periph(AT91_PIN_PB25, 0);	/* ERX0 */
  	at91_set_A_periph(AT91_PIN_PB26, 0);	/* ERX1 */
  	at91_set_A_periph(AT91_PIN_PB27, 0);	/* ERXER */
  	at91_set_A_periph(AT91_PIN_PB28, 0);	/* ETXEN */
  	at91_set_A_periph(AT91_PIN_PB23, 0);	/* ETX0 */
  	at91_set_A_periph(AT91_PIN_PB24, 0);	/* ETX1 */
  	at91_set_A_periph(AT91_PIN_PB30, 0);	/* EMDIO */
  	at91_set_A_periph(AT91_PIN_PB29, 0);	/* EMDC */
  
  	if (!data->is_rmii) {
  		at91_set_B_periph(AT91_PIN_PC25, 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(&at91cap9_eth_device);
  }
  #else
  void __init at91_add_device_eth(struct at91_eth_data *data) {}
  #endif
  
  
  /* --------------------------------------------------------------------
   *  MMC / SD
   * -------------------------------------------------------------------- */
  
  #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
  static u64 mmc_dmamask = DMA_BIT_MASK(32);
  static struct at91_mmc_data mmc0_data, mmc1_data;
  
  static struct resource mmc0_resources[] = {
  	[0] = {
  		.start	= AT91CAP9_BASE_MCI0,
  		.end	= AT91CAP9_BASE_MCI0 + SZ_16K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_ID_MCI0,
  		.end	= AT91CAP9_ID_MCI0,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device at91cap9_mmc0_device = {
  	.name		= "at91_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	= AT91CAP9_BASE_MCI1,
  		.end	= AT91CAP9_BASE_MCI1 + SZ_16K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_ID_MCI1,
  		.end	= AT91CAP9_ID_MCI1,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device at91cap9_mmc1_device = {
  	.name		= "at91_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_mmc(short mmc_id, struct at91_mmc_data *data)
  {
  	if (!data)
  		return;
  
  	/* input/irq */
  	if (data->det_pin) {
  		at91_set_gpio_input(data->det_pin, 1);
  		at91_set_deglitch(data->det_pin, 1);
  	}
  	if (data->wp_pin)
  		at91_set_gpio_input(data->wp_pin, 1);
  	if (data->vcc_pin)
  		at91_set_gpio_output(data->vcc_pin, 0);
  
  	if (mmc_id == 0) {		/* MCI0 */
  		/* CLK */
  		at91_set_A_periph(AT91_PIN_PA2, 0);
  
  		/* CMD */
  		at91_set_A_periph(AT91_PIN_PA1, 1);
  
  		/* DAT0, maybe DAT1..DAT3 */
  		at91_set_A_periph(AT91_PIN_PA0, 1);
  		if (data->wire4) {
  			at91_set_A_periph(AT91_PIN_PA3, 1);
  			at91_set_A_periph(AT91_PIN_PA4, 1);
  			at91_set_A_periph(AT91_PIN_PA5, 1);
  		}
  
  		mmc0_data = *data;
  		at91_clock_associate("mci0_clk", &at91cap9_mmc0_device.dev, "mci_clk");
  		platform_device_register(&at91cap9_mmc0_device);
  	} else {			/* MCI1 */
  		/* CLK */
  		at91_set_A_periph(AT91_PIN_PA16, 0);
  
  		/* CMD */
  		at91_set_A_periph(AT91_PIN_PA17, 1);
  
  		/* DAT0, maybe DAT1..DAT3 */
  		at91_set_A_periph(AT91_PIN_PA18, 1);
  		if (data->wire4) {
  			at91_set_A_periph(AT91_PIN_PA19, 1);
  			at91_set_A_periph(AT91_PIN_PA20, 1);
  			at91_set_A_periph(AT91_PIN_PA21, 1);
  		}
  
  		mmc1_data = *data;
  		at91_clock_associate("mci1_clk", &at91cap9_mmc1_device.dev, "mci_clk");
  		platform_device_register(&at91cap9_mmc1_device);
  	}
  }
  #else
  void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_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[] = {
  	[0] = {
  		.start	= NAND_BASE,
  		.end	= NAND_BASE + SZ_256M - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91_BASE_SYS + AT91_ECC,
  		.end	= AT91_BASE_SYS + AT91_ECC + SZ_512 - 1,
  		.flags	= IORESOURCE_MEM,
  	}
  };
  
  static struct platform_device at91cap9_nand_device = {
  	.name		= "atmel_nand",
  	.id		= -1,
  	.dev		= {
  				.platform_data	= &nand_data,
  	},
  	.resource	= nand_resources,
  	.num_resources	= ARRAY_SIZE(nand_resources),
  };
  
  void __init at91_add_device_nand(struct atmel_nand_data *data)
  {
  	unsigned long csa;
  
  	if (!data)
  		return;
  
  	csa = at91_sys_read(AT91_MATRIX_EBICSA);
  	at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA);
  
  	/* enable pin */
  	if (data->enable_pin)
  		at91_set_gpio_output(data->enable_pin, 1);
  
  	/* ready/busy pin */
  	if (data->rdy_pin)
  		at91_set_gpio_input(data->rdy_pin, 1);
  
  	/* card detect pin */
  	if (data->det_pin)
  		at91_set_gpio_input(data->det_pin, 1);
  
  	nand_data = *data;
  	platform_device_register(&at91cap9_nand_device);
  }
  #else
  void __init at91_add_device_nand(struct atmel_nand_data *data) {}
  #endif
  
  
  /* --------------------------------------------------------------------
   *  TWI (i2c)
   * -------------------------------------------------------------------- */
  
  /*
   * Prefer the GPIO code since the TWI controller isn't robust
   * (gets overruns and underruns under load) and can only issue
   * repeated STARTs in one scenario (the driver doesn't yet handle them).
   */
  #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
  
  static struct i2c_gpio_platform_data pdata = {
  	.sda_pin		= AT91_PIN_PB4,
  	.sda_is_open_drain	= 1,
  	.scl_pin		= AT91_PIN_PB5,
  	.scl_is_open_drain	= 1,
  	.udelay			= 2,		/* ~100 kHz */
  };
  
  static struct platform_device at91cap9_twi_device = {
  	.name			= "i2c-gpio",
  	.id			= -1,
  	.dev.platform_data	= &pdata,
  };
  
  void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
  {
  	at91_set_GPIO_periph(AT91_PIN_PB4, 1);		/* TWD (SDA) */
  	at91_set_multi_drive(AT91_PIN_PB4, 1);
  
  	at91_set_GPIO_periph(AT91_PIN_PB5, 1);		/* TWCK (SCL) */
  	at91_set_multi_drive(AT91_PIN_PB5, 1);
  
  	i2c_register_board_info(0, devices, nr_devices);
  	platform_device_register(&at91cap9_twi_device);
  }
  
  #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
  
  static struct resource twi_resources[] = {
  	[0] = {
  		.start	= AT91CAP9_BASE_TWI,
  		.end	= AT91CAP9_BASE_TWI + SZ_16K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_ID_TWI,
  		.end	= AT91CAP9_ID_TWI,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device at91cap9_twi_device = {
  	.name		= "at91_i2c",
  	.id		= -1,
  	.resource	= twi_resources,
  	.num_resources	= ARRAY_SIZE(twi_resources),
  };
  
  void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
  {
  	/* pins used for TWI interface */
  	at91_set_B_periph(AT91_PIN_PB4, 0);		/* TWD */
  	at91_set_multi_drive(AT91_PIN_PB4, 1);
  
  	at91_set_B_periph(AT91_PIN_PB5, 0);		/* TWCK */
  	at91_set_multi_drive(AT91_PIN_PB5, 1);
  
  	i2c_register_board_info(0, devices, nr_devices);
  	platform_device_register(&at91cap9_twi_device);
  }
  #else
  void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {}
  #endif
  
  /* --------------------------------------------------------------------
   *  SPI
   * -------------------------------------------------------------------- */
  
  #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
  static u64 spi_dmamask = DMA_BIT_MASK(32);
  
  static struct resource spi0_resources[] = {
  	[0] = {
  		.start	= AT91CAP9_BASE_SPI0,
  		.end	= AT91CAP9_BASE_SPI0 + SZ_16K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_ID_SPI0,
  		.end	= AT91CAP9_ID_SPI0,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device at91cap9_spi0_device = {
  	.name		= "atmel_spi",
  	.id		= 0,
  	.dev		= {
  				.dma_mask		= &spi_dmamask,
  				.coherent_dma_mask	= DMA_BIT_MASK(32),
  	},
  	.resource	= spi0_resources,
  	.num_resources	= ARRAY_SIZE(spi0_resources),
  };
  
  static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA5, AT91_PIN_PA3, AT91_PIN_PD0, AT91_PIN_PD1 };
  
  static struct resource spi1_resources[] = {
  	[0] = {
  		.start	= AT91CAP9_BASE_SPI1,
  		.end	= AT91CAP9_BASE_SPI1 + SZ_16K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_ID_SPI1,
  		.end	= AT91CAP9_ID_SPI1,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device at91cap9_spi1_device = {
  	.name		= "atmel_spi",
  	.id		= 1,
  	.dev		= {
  				.dma_mask		= &spi_dmamask,
  				.coherent_dma_mask	= DMA_BIT_MASK(32),
  	},
  	.resource	= spi1_resources,
  	.num_resources	= ARRAY_SIZE(spi1_resources),
  };
  
  static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB15, AT91_PIN_PB16, AT91_PIN_PB17, AT91_PIN_PB18 };
  
  void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
  {
  	int i;
  	unsigned long cs_pin;
  	short enable_spi0 = 0;
  	short enable_spi1 = 0;
  
  	/* Choose SPI chip-selects */
  	for (i = 0; i < nr_devices; i++) {
  		if (devices[i].controller_data)
  			cs_pin = (unsigned long) devices[i].controller_data;
  		else if (devices[i].bus_num == 0)
  			cs_pin = spi0_standard_cs[devices[i].chip_select];
  		else
  			cs_pin = spi1_standard_cs[devices[i].chip_select];
  
  		if (devices[i].bus_num == 0)
  			enable_spi0 = 1;
  		else
  			enable_spi1 = 1;
  
  		/* enable chip-select pin */
  		at91_set_gpio_output(cs_pin, 1);
  
  		/* pass chip-select pin to driver */
  		devices[i].controller_data = (void *) cs_pin;
  	}
  
  	spi_register_board_info(devices, nr_devices);
  
  	/* Configure SPI bus(es) */
  	if (enable_spi0) {
  		at91_set_B_periph(AT91_PIN_PA0, 0);	/* SPI0_MISO */
  		at91_set_B_periph(AT91_PIN_PA1, 0);	/* SPI0_MOSI */
  		at91_set_B_periph(AT91_PIN_PA2, 0);	/* SPI0_SPCK */
  
  		at91_clock_associate("spi0_clk", &at91cap9_spi0_device.dev, "spi_clk");
  		platform_device_register(&at91cap9_spi0_device);
  	}
  	if (enable_spi1) {
  		at91_set_A_periph(AT91_PIN_PB12, 0);	/* SPI1_MISO */
  		at91_set_A_periph(AT91_PIN_PB13, 0);	/* SPI1_MOSI */
  		at91_set_A_periph(AT91_PIN_PB14, 0);	/* SPI1_SPCK */
  
  		at91_clock_associate("spi1_clk", &at91cap9_spi1_device.dev, "spi_clk");
  		platform_device_register(&at91cap9_spi1_device);
  	}
  }
  #else
  void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
  #endif
  
  
  /* --------------------------------------------------------------------
   *  Timer/Counter block
   * -------------------------------------------------------------------- */
  
  #ifdef CONFIG_ATMEL_TCLIB
  
  static struct resource tcb_resources[] = {
  	[0] = {
  		.start	= AT91CAP9_BASE_TCB0,
  		.end	= AT91CAP9_BASE_TCB0 + SZ_16K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_ID_TCB,
  		.end	= AT91CAP9_ID_TCB,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device at91cap9_tcb_device = {
  	.name		= "atmel_tcb",
  	.id		= 0,
  	.resource	= tcb_resources,
  	.num_resources	= ARRAY_SIZE(tcb_resources),
  };
  
  static void __init at91_add_device_tc(void)
  {
  	/* this chip has one clock and irq for all three TC channels */
  	at91_clock_associate("tcb_clk", &at91cap9_tcb_device.dev, "t0_clk");
  	platform_device_register(&at91cap9_tcb_device);
  }
  #else
  static void __init at91_add_device_tc(void) { }
  #endif
  
  
  /* --------------------------------------------------------------------
   *  RTT
   * -------------------------------------------------------------------- */
  
  static struct resource rtt_resources[] = {
  	{
  		.start	= AT91_BASE_SYS + AT91_RTT,
  		.end	= AT91_BASE_SYS + AT91_RTT + SZ_16 - 1,
  		.flags	= IORESOURCE_MEM,
  	}
  };
  
  static struct platform_device at91cap9_rtt_device = {
  	.name		= "at91_rtt",
  	.id		= 0,
  	.resource	= rtt_resources,
  	.num_resources	= ARRAY_SIZE(rtt_resources),
  };
  
  static void __init at91_add_device_rtt(void)
  {
  	platform_device_register(&at91cap9_rtt_device);
  }
  
  
  /* --------------------------------------------------------------------
   *  Watchdog
   * -------------------------------------------------------------------- */
  
  #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
  static struct platform_device at91cap9_wdt_device = {
  	.name		= "at91_wdt",
  	.id		= -1,
  	.num_resources	= 0,
  };
  
  static void __init at91_add_device_watchdog(void)
  {
  	platform_device_register(&at91cap9_wdt_device);
  }
  #else
  static void __init at91_add_device_watchdog(void) {}
  #endif
  
  
  /* --------------------------------------------------------------------
   *  PWM
   * --------------------------------------------------------------------*/
  
  #if defined(CONFIG_ATMEL_PWM)
  static u32 pwm_mask;
  
  static struct resource pwm_resources[] = {
  	[0] = {
  		.start	= AT91CAP9_BASE_PWMC,
  		.end	= AT91CAP9_BASE_PWMC + SZ_16K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_ID_PWMC,
  		.end	= AT91CAP9_ID_PWMC,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device at91cap9_pwm0_device = {
  	.name	= "atmel_pwm",
  	.id	= -1,
  	.dev	= {
  		.platform_data		= &pwm_mask,
  	},
  	.resource	= pwm_resources,
  	.num_resources	= ARRAY_SIZE(pwm_resources),
  };
  
  void __init at91_add_device_pwm(u32 mask)
  {
  	if (mask & (1 << AT91_PWM0))
  		at91_set_A_periph(AT91_PIN_PB19, 1);	/* enable PWM0 */
  
  	if (mask & (1 << AT91_PWM1))
  		at91_set_B_periph(AT91_PIN_PB8, 1);	/* enable PWM1 */
  
  	if (mask & (1 << AT91_PWM2))
  		at91_set_B_periph(AT91_PIN_PC29, 1);	/* enable PWM2 */
  
  	if (mask & (1 << AT91_PWM3))
  		at91_set_B_periph(AT91_PIN_PA11, 1);	/* enable PWM3 */
  
  	pwm_mask = mask;
  
  	platform_device_register(&at91cap9_pwm0_device);
  }
  #else
  void __init at91_add_device_pwm(u32 mask) {}
  #endif
  
  
  
  /* --------------------------------------------------------------------
   *  AC97
   * -------------------------------------------------------------------- */
  
  #if defined(CONFIG_SND_ATMEL_AC97C) || defined(CONFIG_SND_ATMEL_AC97C_MODULE)
  static u64 ac97_dmamask = DMA_BIT_MASK(32);
  static struct ac97c_platform_data ac97_data;
  
  static struct resource ac97_resources[] = {
  	[0] = {
  		.start	= AT91CAP9_BASE_AC97C,
  		.end	= AT91CAP9_BASE_AC97C + SZ_16K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_ID_AC97C,
  		.end	= AT91CAP9_ID_AC97C,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device at91cap9_ac97_device = {
  	.name		= "atmel_ac97c",
  	.id		= 1,
  	.dev		= {
  				.dma_mask		= &ac97_dmamask,
  				.coherent_dma_mask	= DMA_BIT_MASK(32),
  				.platform_data		= &ac97_data,
  	},
  	.resource	= ac97_resources,
  	.num_resources	= ARRAY_SIZE(ac97_resources),
  };
  
  void __init at91_add_device_ac97(struct ac97c_platform_data *data)
  {
  	if (!data)
  		return;
  
  	at91_set_A_periph(AT91_PIN_PA6, 0);	/* AC97FS */
  	at91_set_A_periph(AT91_PIN_PA7, 0);	/* AC97CK */
  	at91_set_A_periph(AT91_PIN_PA8, 0);	/* AC97TX */
  	at91_set_A_periph(AT91_PIN_PA9, 0);	/* AC97RX */
  
  	/* reset */
  	if (data->reset_pin)
  		at91_set_gpio_output(data->reset_pin, 0);
  
  	ac97_data = *data;
  	platform_device_register(&at91cap9_ac97_device);
  }
  #else
  void __init at91_add_device_ac97(struct ac97c_platform_data *data) {}
  #endif
  
  
  /* --------------------------------------------------------------------
   *  LCD Controller
   * -------------------------------------------------------------------- */
  
  #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
  static u64 lcdc_dmamask = DMA_BIT_MASK(32);
  static struct atmel_lcdfb_info lcdc_data;
  
  static struct resource lcdc_resources[] = {
  	[0] = {
  		.start	= AT91CAP9_LCDC_BASE,
  		.end	= AT91CAP9_LCDC_BASE + SZ_4K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_ID_LCDC,
  		.end	= AT91CAP9_ID_LCDC,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device at91_lcdc_device = {
  	.name		= "atmel_lcdfb",
  	.id		= 0,
  	.dev		= {
  				.dma_mask		= &lcdc_dmamask,
  				.coherent_dma_mask	= DMA_BIT_MASK(32),
  				.platform_data		= &lcdc_data,
  	},
  	.resource	= lcdc_resources,
  	.num_resources	= ARRAY_SIZE(lcdc_resources),
  };
  
  void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
  {
  	if (!data)
  		return;
  
  	if (cpu_is_at91cap9_revB())
  		set_irq_type(AT91CAP9_ID_LCDC, IRQ_TYPE_LEVEL_HIGH);
  
  	at91_set_A_periph(AT91_PIN_PC1, 0);	/* LCDHSYNC */
  	at91_set_A_periph(AT91_PIN_PC2, 0);	/* LCDDOTCK */
  	at91_set_A_periph(AT91_PIN_PC3, 0);	/* LCDDEN */
  	at91_set_B_periph(AT91_PIN_PB9, 0);	/* LCDCC */
  	at91_set_A_periph(AT91_PIN_PC6, 0);	/* LCDD2 */
  	at91_set_A_periph(AT91_PIN_PC7, 0);	/* LCDD3 */
  	at91_set_A_periph(AT91_PIN_PC8, 0);	/* LCDD4 */
  	at91_set_A_periph(AT91_PIN_PC9, 0);	/* LCDD5 */
  	at91_set_A_periph(AT91_PIN_PC10, 0);	/* LCDD6 */
  	at91_set_A_periph(AT91_PIN_PC11, 0);	/* LCDD7 */
  	at91_set_A_periph(AT91_PIN_PC14, 0);	/* LCDD10 */
  	at91_set_A_periph(AT91_PIN_PC15, 0);	/* LCDD11 */
  	at91_set_A_periph(AT91_PIN_PC16, 0);	/* LCDD12 */
  	at91_set_A_periph(AT91_PIN_PC17, 0);	/* LCDD13 */
  	at91_set_A_periph(AT91_PIN_PC18, 0);	/* LCDD14 */
  	at91_set_A_periph(AT91_PIN_PC19, 0);	/* LCDD15 */
  	at91_set_A_periph(AT91_PIN_PC22, 0);	/* LCDD18 */
  	at91_set_A_periph(AT91_PIN_PC23, 0);	/* LCDD19 */
  	at91_set_A_periph(AT91_PIN_PC24, 0);	/* LCDD20 */
  	at91_set_A_periph(AT91_PIN_PC25, 0);	/* LCDD21 */
  	at91_set_A_periph(AT91_PIN_PC26, 0);	/* LCDD22 */
  	at91_set_A_periph(AT91_PIN_PC27, 0);	/* LCDD23 */
  
  	lcdc_data = *data;
  	platform_device_register(&at91_lcdc_device);
  }
  #else
  void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
  #endif
  
  
  /* --------------------------------------------------------------------
   *  SSC -- Synchronous Serial Controller
   * -------------------------------------------------------------------- */
  
  #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
  static u64 ssc0_dmamask = DMA_BIT_MASK(32);
  
  static struct resource ssc0_resources[] = {
  	[0] = {
  		.start	= AT91CAP9_BASE_SSC0,
  		.end	= AT91CAP9_BASE_SSC0 + SZ_16K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_ID_SSC0,
  		.end	= AT91CAP9_ID_SSC0,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device at91cap9_ssc0_device = {
  	.name	= "ssc",
  	.id	= 0,
  	.dev	= {
  		.dma_mask		= &ssc0_dmamask,
  		.coherent_dma_mask	= DMA_BIT_MASK(32),
  	},
  	.resource	= ssc0_resources,
  	.num_resources	= ARRAY_SIZE(ssc0_resources),
  };
  
  static inline void configure_ssc0_pins(unsigned pins)
  {
  	if (pins & ATMEL_SSC_TF)
  		at91_set_A_periph(AT91_PIN_PB0, 1);
  	if (pins & ATMEL_SSC_TK)
  		at91_set_A_periph(AT91_PIN_PB1, 1);
  	if (pins & ATMEL_SSC_TD)
  		at91_set_A_periph(AT91_PIN_PB2, 1);
  	if (pins & ATMEL_SSC_RD)
  		at91_set_A_periph(AT91_PIN_PB3, 1);
  	if (pins & ATMEL_SSC_RK)
  		at91_set_A_periph(AT91_PIN_PB4, 1);
  	if (pins & ATMEL_SSC_RF)
  		at91_set_A_periph(AT91_PIN_PB5, 1);
  }
  
  static u64 ssc1_dmamask = DMA_BIT_MASK(32);
  
  static struct resource ssc1_resources[] = {
  	[0] = {
  		.start	= AT91CAP9_BASE_SSC1,
  		.end	= AT91CAP9_BASE_SSC1 + SZ_16K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_ID_SSC1,
  		.end	= AT91CAP9_ID_SSC1,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device at91cap9_ssc1_device = {
  	.name	= "ssc",
  	.id	= 1,
  	.dev	= {
  		.dma_mask		= &ssc1_dmamask,
  		.coherent_dma_mask	= DMA_BIT_MASK(32),
  	},
  	.resource	= ssc1_resources,
  	.num_resources	= ARRAY_SIZE(ssc1_resources),
  };
  
  static inline void configure_ssc1_pins(unsigned pins)
  {
  	if (pins & ATMEL_SSC_TF)
  		at91_set_A_periph(AT91_PIN_PB6, 1);
  	if (pins & ATMEL_SSC_TK)
  		at91_set_A_periph(AT91_PIN_PB7, 1);
  	if (pins & ATMEL_SSC_TD)
  		at91_set_A_periph(AT91_PIN_PB8, 1);
  	if (pins & ATMEL_SSC_RD)
  		at91_set_A_periph(AT91_PIN_PB9, 1);
  	if (pins & ATMEL_SSC_RK)
  		at91_set_A_periph(AT91_PIN_PB10, 1);
  	if (pins & ATMEL_SSC_RF)
  		at91_set_A_periph(AT91_PIN_PB11, 1);
  }
  
  /*
   * SSC controllers are accessed through library code, instead of any
   * kind of all-singing/all-dancing driver.  For example one could be
   * used by a particular I2S audio codec's driver, while another one
   * on the same system might be used by a custom data capture driver.
   */
  void __init at91_add_device_ssc(unsigned id, unsigned pins)
  {
  	struct platform_device *pdev;
  
  	/*
  	 * NOTE: caller is responsible for passing information matching
  	 * "pins" to whatever will be using each particular controller.
  	 */
  	switch (id) {
  	case AT91CAP9_ID_SSC0:
  		pdev = &at91cap9_ssc0_device;
  		configure_ssc0_pins(pins);
  		at91_clock_associate("ssc0_clk", &pdev->dev, "ssc");
  		break;
  	case AT91CAP9_ID_SSC1:
  		pdev = &at91cap9_ssc1_device;
  		configure_ssc1_pins(pins);
  		at91_clock_associate("ssc1_clk", &pdev->dev, "ssc");
  		break;
  	default:
  		return;
  	}
  
  	platform_device_register(pdev);
  }
  
  #else
  void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
  #endif
  
  
  /* --------------------------------------------------------------------
   *  UART
   * -------------------------------------------------------------------- */
  
  #if defined(CONFIG_SERIAL_ATMEL)
  static struct resource dbgu_resources[] = {
  	[0] = {
  		.start	= AT91_VA_BASE_SYS + AT91_DBGU,
  		.end	= AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91_ID_SYS,
  		.end	= AT91_ID_SYS,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct atmel_uart_data dbgu_data = {
  	.use_dma_tx	= 0,
  	.use_dma_rx	= 0,		/* DBGU not capable of receive DMA */
  	.regs		= (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
  };
  
  static u64 dbgu_dmamask = DMA_BIT_MASK(32);
  
  static struct platform_device at91cap9_dbgu_device = {
  	.name		= "atmel_usart",
  	.id		= 0,
  	.dev		= {
  				.dma_mask		= &dbgu_dmamask,
  				.coherent_dma_mask	= DMA_BIT_MASK(32),
  				.platform_data		= &dbgu_data,
  	},
  	.resource	= dbgu_resources,
  	.num_resources	= ARRAY_SIZE(dbgu_resources),
  };
  
  static inline void configure_dbgu_pins(void)
  {
  	at91_set_A_periph(AT91_PIN_PC30, 0);		/* DRXD */
  	at91_set_A_periph(AT91_PIN_PC31, 1);		/* DTXD */
  }
  
  static struct resource uart0_resources[] = {
  	[0] = {
  		.start	= AT91CAP9_BASE_US0,
  		.end	= AT91CAP9_BASE_US0 + SZ_16K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_ID_US0,
  		.end	= AT91CAP9_ID_US0,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct atmel_uart_data uart0_data = {
  	.use_dma_tx	= 1,
  	.use_dma_rx	= 1,
  };
  
  static u64 uart0_dmamask = DMA_BIT_MASK(32);
  
  static struct platform_device at91cap9_uart0_device = {
  	.name		= "atmel_usart",
  	.id		= 1,
  	.dev		= {
  				.dma_mask		= &uart0_dmamask,
  				.coherent_dma_mask	= DMA_BIT_MASK(32),
  				.platform_data		= &uart0_data,
  	},
  	.resource	= uart0_resources,
  	.num_resources	= ARRAY_SIZE(uart0_resources),
  };
  
  static inline void configure_usart0_pins(unsigned pins)
  {
  	at91_set_A_periph(AT91_PIN_PA22, 1);		/* TXD0 */
  	at91_set_A_periph(AT91_PIN_PA23, 0);		/* RXD0 */
  
  	if (pins & ATMEL_UART_RTS)
  		at91_set_A_periph(AT91_PIN_PA24, 0);	/* RTS0 */
  	if (pins & ATMEL_UART_CTS)
  		at91_set_A_periph(AT91_PIN_PA25, 0);	/* CTS0 */
  }
  
  static struct resource uart1_resources[] = {
  	[0] = {
  		.start	= AT91CAP9_BASE_US1,
  		.end	= AT91CAP9_BASE_US1 + SZ_16K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_ID_US1,
  		.end	= AT91CAP9_ID_US1,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct atmel_uart_data uart1_data = {
  	.use_dma_tx	= 1,
  	.use_dma_rx	= 1,
  };
  
  static u64 uart1_dmamask = DMA_BIT_MASK(32);
  
  static struct platform_device at91cap9_uart1_device = {
  	.name		= "atmel_usart",
  	.id		= 2,
  	.dev		= {
  				.dma_mask		= &uart1_dmamask,
  				.coherent_dma_mask	= DMA_BIT_MASK(32),
  				.platform_data		= &uart1_data,
  	},
  	.resource	= uart1_resources,
  	.num_resources	= ARRAY_SIZE(uart1_resources),
  };
  
  static inline void configure_usart1_pins(unsigned pins)
  {
  	at91_set_A_periph(AT91_PIN_PD0, 1);		/* TXD1 */
  	at91_set_A_periph(AT91_PIN_PD1, 0);		/* RXD1 */
  
  	if (pins & ATMEL_UART_RTS)
  		at91_set_B_periph(AT91_PIN_PD7, 0);	/* RTS1 */
  	if (pins & ATMEL_UART_CTS)
  		at91_set_B_periph(AT91_PIN_PD8, 0);	/* CTS1 */
  }
  
  static struct resource uart2_resources[] = {
  	[0] = {
  		.start	= AT91CAP9_BASE_US2,
  		.end	= AT91CAP9_BASE_US2 + SZ_16K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= AT91CAP9_ID_US2,
  		.end	= AT91CAP9_ID_US2,
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct atmel_uart_data uart2_data = {
  	.use_dma_tx	= 1,
  	.use_dma_rx	= 1,
  };
  
  static u64 uart2_dmamask = DMA_BIT_MASK(32);
  
  static struct platform_device at91cap9_uart2_device = {
  	.name		= "atmel_usart",
  	.id		= 3,
  	.dev		= {
  				.dma_mask		= &uart2_dmamask,
  				.coherent_dma_mask	= DMA_BIT_MASK(32),
  				.platform_data		= &uart2_data,
  	},
  	.resource	= uart2_resources,
  	.num_resources	= ARRAY_SIZE(uart2_resources),
  };
  
  static inline void configure_usart2_pins(unsigned pins)
  {
  	at91_set_A_periph(AT91_PIN_PD2, 1);		/* TXD2 */
  	at91_set_A_periph(AT91_PIN_PD3, 0);		/* RXD2 */
  
  	if (pins & ATMEL_UART_RTS)
  		at91_set_B_periph(AT91_PIN_PD5, 0);	/* RTS2 */
  	if (pins & ATMEL_UART_CTS)
  		at91_set_B_periph(AT91_PIN_PD6, 0);	/* CTS2 */
  }
  
  static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART];	/* the UARTs to use */
  struct platform_device *atmel_default_console_device;	/* the serial console device */
  
  void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
  {
  	struct platform_device *pdev;
  
  	switch (id) {
  		case 0:		/* DBGU */
  			pdev = &at91cap9_dbgu_device;
  			configure_dbgu_pins();
  			at91_clock_associate("mck", &pdev->dev, "usart");
  			break;
  		case AT91CAP9_ID_US0:
  			pdev = &at91cap9_uart0_device;
  			configure_usart0_pins(pins);
  			at91_clock_associate("usart0_clk", &pdev->dev, "usart");
  			break;
  		case AT91CAP9_ID_US1:
  			pdev = &at91cap9_uart1_device;
  			configure_usart1_pins(pins);
  			at91_clock_associate("usart1_clk", &pdev->dev, "usart");
  			break;
  		case AT91CAP9_ID_US2:
  			pdev = &at91cap9_uart2_device;
  			configure_usart2_pins(pins);
  			at91_clock_associate("usart2_clk", &pdev->dev, "usart");
  			break;
  		default:
  			return;
  	}
  	pdev->id = portnr;		/* update to mapped ID */
  
  	if (portnr < ATMEL_MAX_UART)
  		at91_uarts[portnr] = pdev;
  }
  
  void __init at91_set_serial_console(unsigned portnr)
  {
  	if (portnr < ATMEL_MAX_UART)
  		atmel_default_console_device = at91_uarts[portnr];
  }
  
  void __init at91_add_device_serial(void)
  {
  	int i;
  
  	for (i = 0; i < ATMEL_MAX_UART; i++) {
  		if (at91_uarts[i])
  			platform_device_register(at91_uarts[i]);
  	}
  
  	if (!atmel_default_console_device)
  		printk(KERN_INFO "AT91: No default serial console defined.\n");
  }
  #else
  void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
  void __init at91_set_serial_console(unsigned portnr) {}
  void __init at91_add_device_serial(void) {}
  #endif
  
  
  /* -------------------------------------------------------------------- */
  /*
   * These devices are always present and don't need any board-specific
   * setup.
   */
  static int __init at91_add_standard_devices(void)
  {
  	at91_add_device_rtt();
  	at91_add_device_watchdog();
  	at91_add_device_tc();
  	return 0;
  }
  
  arch_initcall(at91_add_standard_devices);
  