text: /*
   * TI DA830/OMAP L137 EVM board
   *
   * Author: Mark A. Greer <mgreer@mvista.com>
   * Derived from: arch/arm/mach-davinci/board-dm644x-evm.c
   *
   * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
   * the terms of the GNU General Public License version 2. This program
   * is licensed "as is" without any warranty of any kind, whether express
   * or implied.
   */
  #include <linux/kernel.h>
  #include <linux/init.h>
  #include <linux/console.h>
  #include <linux/interrupt.h>
  #include <linux/gpio.h>
  #include <linux/platform_device.h>
  #include <linux/i2c.h>
  #include <linux/i2c/pcf857x.h>
  #include <linux/platform_data/at24.h>
  #include <linux/mtd/mtd.h>
  #include <linux/mtd/partitions.h>
  #include <linux/spi/spi.h>
  #include <linux/spi/flash.h>
  #include <linux/platform_data/gpio-davinci.h>
  #include <linux/platform_data/mtd-davinci.h>
  #include <linux/platform_data/mtd-davinci-aemif.h>
  #include <linux/platform_data/spi-davinci.h>
  #include <linux/platform_data/usb-davinci.h>
  
  #include <asm/mach-types.h>
  #include <asm/mach/arch.h>
  
  #include <mach/common.h>
  #include <mach/cp_intc.h>
  #include <mach/mux.h>
  #include <mach/da8xx.h>
  
  #define DA830_EVM_PHY_ID		""
  /*
   * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
   */
  #define ON_BD_USB_DRV	GPIO_TO_PIN(1, 15)
  #define ON_BD_USB_OVC	GPIO_TO_PIN(2, 4)
  
  static const short da830_evm_usb11_pins[] = {
  	DA830_GPIO1_15, DA830_GPIO2_4,
  	-1
  };
  
  static da8xx_ocic_handler_t da830_evm_usb_ocic_handler;
  
  static int da830_evm_usb_set_power(unsigned port, int on)
  {
  	gpio_set_value(ON_BD_USB_DRV, on);
  	return 0;
  }
  
  static int da830_evm_usb_get_power(unsigned port)
  {
  	return gpio_get_value(ON_BD_USB_DRV);
  }
  
  static int da830_evm_usb_get_oci(unsigned port)
  {
  	return !gpio_get_value(ON_BD_USB_OVC);
  }
  
  static irqreturn_t da830_evm_usb_ocic_irq(int, void *);
  
  static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler)
  {
  	int irq 	= gpio_to_irq(ON_BD_USB_OVC);
  	int error	= 0;
  
  	if (handler != NULL) {
  		da830_evm_usb_ocic_handler = handler;
  
  		error = request_irq(irq, da830_evm_usb_ocic_irq,
  				    IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  				    "OHCI over-current indicator", NULL);
  		if (error)
  			printk(KERN_ERR "%s: could not request IRQ to watch "
  			       "over-current indicator changes\n", __func__);
  	} else
  		free_irq(irq, NULL);
  
  	return error;
  }
  
  static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
  	.set_power	= da830_evm_usb_set_power,
  	.get_power	= da830_evm_usb_get_power,
  	.get_oci	= da830_evm_usb_get_oci,
  	.ocic_notify	= da830_evm_usb_ocic_notify,
  
  	/* TPS2065 switch @ 5V */
  	.potpgt		= (3 + 1) / 2,	/* 3 ms max */
  };
  
  static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id)
  {
  	da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1);
  	return IRQ_HANDLED;
  }
  
  static __init void da830_evm_usb_init(void)
  {
  	u32 cfgchip2;
  	int ret;
  
  	/*
  	 * Set up USB clock/mode in the CFGCHIP2 register.
  	 * FYI:  CFGCHIP2 is 0x0000ef00 initially.
  	 */
  	cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
  
  	/* USB2.0 PHY reference clock is 24 MHz */
  	cfgchip2 &= ~CFGCHIP2_REFFREQ;
  	cfgchip2 |=  CFGCHIP2_REFFREQ_24MHZ;
  
  	/*
  	 * Select internal reference clock for USB 2.0 PHY
  	 * and use it as a clock source for USB 1.1 PHY
  	 * (this is the default setting anyway).
  	 */
  	cfgchip2 &= ~CFGCHIP2_USB1PHYCLKMUX;
  	cfgchip2 |=  CFGCHIP2_USB2PHYCLKMUX;
  
  	/*
  	 * We have to override VBUS/ID signals when MUSB is configured into the
  	 * host-only mode -- ID pin will float if no cable is connected, so the
  	 * controller won't be able to drive VBUS thinking that it's a B-device.
  	 * Otherwise, we want to use the OTG mode and enable VBUS comparators.
  	 */
  	cfgchip2 &= ~CFGCHIP2_OTGMODE;
  #ifdef	CONFIG_USB_MUSB_HOST
  	cfgchip2 |=  CFGCHIP2_FORCE_HOST;
  #else
  	cfgchip2 |=  CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN;
  #endif
  
  	__raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
  
  	/* USB_REFCLKIN is not used. */
  	ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
  	if (ret)
  		pr_warning("%s: USB 2.0 PinMux setup failed: %d\n",
  			   __func__, ret);
  	else {
  		/*
  		 * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
  		 * with the power on to power good time of 3 ms.
  		 */
  		ret = da8xx_register_usb20(1000, 3);
  		if (ret)
  			pr_warning("%s: USB 2.0 registration failed: %d\n",
  				   __func__, ret);
  	}
  
  	ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
  	if (ret) {
  		pr_warning("%s: USB 1.1 PinMux setup failed: %d\n",
  			   __func__, ret);
  		return;
  	}
  
  	ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV");
  	if (ret) {
  		printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
  		       "power control: %d\n", __func__, ret);
  		return;
  	}
  	gpio_direction_output(ON_BD_USB_DRV, 0);
  
  	ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC");
  	if (ret) {
  		printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
  		       "over-current indicator: %d\n", __func__, ret);
  		return;
  	}
  	gpio_direction_input(ON_BD_USB_OVC);
  
  	ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
  	if (ret)
  		pr_warning("%s: USB 1.1 registration failed: %d\n",
  			   __func__, ret);
  }
  
  static const short da830_evm_mcasp1_pins[] = {
  	DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
  	DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
  	DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
  	DA830_AXR1_11,
  	-1
  };
  
  static u8 da830_iis_serializer_direction[] = {
  	RX_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
  	INACTIVE_MODE,	TX_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
  	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
  };
  
  static struct snd_platform_data da830_evm_snd_data = {
  	.tx_dma_offset  = 0x2000,
  	.rx_dma_offset  = 0x2000,
  	.op_mode        = DAVINCI_MCASP_IIS_MODE,
  	.num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
  	.tdm_slots      = 2,
  	.serial_dir     = da830_iis_serializer_direction,
  	.asp_chan_q     = EVENTQ_0,
  	.version	= MCASP_VERSION_2,
  	.txnumevt	= 1,
  	.rxnumevt	= 1,
  };
  
  /*
   * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
   */
  static const short da830_evm_mmc_sd_pins[] = {
  	DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
  	DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
  	DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
  	DA830_MMCSD_CMD,   DA830_GPIO2_1,     DA830_GPIO2_2,
  	-1
  };
  
  #define DA830_MMCSD_WP_PIN		GPIO_TO_PIN(2, 1)
  #define DA830_MMCSD_CD_PIN		GPIO_TO_PIN(2, 2)
  
  static int da830_evm_mmc_get_ro(int index)
  {
  	return gpio_get_value(DA830_MMCSD_WP_PIN);
  }
  
  static int da830_evm_mmc_get_cd(int index)
  {
  	return !gpio_get_value(DA830_MMCSD_CD_PIN);
  }
  
  static struct davinci_mmc_config da830_evm_mmc_config = {
  	.get_ro			= da830_evm_mmc_get_ro,
  	.get_cd			= da830_evm_mmc_get_cd,
  	.wires			= 8,
  	.max_freq		= 50000000,
  	.caps			= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
  };
  
  static inline void da830_evm_init_mmc(void)
  {
  	int ret;
  
  	ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
  	if (ret) {
  		pr_warning("da830_evm_init: mmc/sd mux setup failed: %d\n",
  				ret);
  		return;
  	}
  
  	ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP");
  	if (ret) {
  		pr_warning("da830_evm_init: can not open GPIO %d\n",
  			   DA830_MMCSD_WP_PIN);
  		return;
  	}
  	gpio_direction_input(DA830_MMCSD_WP_PIN);
  
  	ret = gpio_request(DA830_MMCSD_CD_PIN, "MMC CD\n");
  	if (ret) {
  		pr_warning("da830_evm_init: can not open GPIO %d\n",
  			   DA830_MMCSD_CD_PIN);
  		return;
  	}
  	gpio_direction_input(DA830_MMCSD_CD_PIN);
  
  	ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
  	if (ret) {
  		pr_warning("da830_evm_init: mmc/sd registration failed: %d\n",
  				ret);
  		gpio_free(DA830_MMCSD_WP_PIN);
  	}
  }
  
  /*
   * UI board NAND/NOR flashes only use 8-bit data bus.
   */
  static const short da830_evm_emif25_pins[] = {
  	DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
  	DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
  	DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
  	DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
  	DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
  	DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
  	DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
  	-1
  };
  
  #define HAS_MMC		IS_ENABLED(CONFIG_MMC_DAVINCI)
  
  #ifdef CONFIG_DA830_UI_NAND
  static struct mtd_partition da830_evm_nand_partitions[] = {
  	/* bootloader (U-Boot, etc) in first sector */
  	[0] = {
  		.name		= "bootloader",
  		.offset		= 0,
  		.size		= SZ_128K,
  		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
  	},
  	/* bootloader params in the next sector */
  	[1] = {
  		.name		= "params",
  		.offset		= MTDPART_OFS_APPEND,
  		.size		= SZ_128K,
  		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
  	},
  	/* kernel */
  	[2] = {
  		.name		= "kernel",
  		.offset		= MTDPART_OFS_APPEND,
  		.size		= SZ_2M,
  		.mask_flags	= 0,
  	},
  	/* file system */
  	[3] = {
  		.name		= "filesystem",
  		.offset		= MTDPART_OFS_APPEND,
  		.size		= MTDPART_SIZ_FULL,
  		.mask_flags	= 0,
  	}
  };
  
  /* flash bbt decriptors */
  static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
  static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
  
  static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
  	.options	= NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
  			  NAND_BBT_WRITE | NAND_BBT_2BIT |
  			  NAND_BBT_VERSION | NAND_BBT_PERCHIP,
  	.offs		= 2,
  	.len		= 4,
  	.veroffs	= 16,
  	.maxblocks	= 4,
  	.pattern	= da830_evm_nand_bbt_pattern
  };
  
  static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
  	.options	= NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
  			  NAND_BBT_WRITE | NAND_BBT_2BIT |
  			  NAND_BBT_VERSION | NAND_BBT_PERCHIP,
  	.offs		= 2,
  	.len		= 4,
  	.veroffs	= 16,
  	.maxblocks	= 4,
  	.pattern	= da830_evm_nand_mirror_pattern
  };
  
  static struct davinci_aemif_timing da830_evm_nandflash_timing = {
  	.wsetup         = 24,
  	.wstrobe        = 21,
  	.whold          = 14,
  	.rsetup         = 19,
  	.rstrobe        = 50,
  	.rhold          = 0,
  	.ta             = 20,
  };
  
  static struct davinci_nand_pdata da830_evm_nand_pdata = {
  	.parts		= da830_evm_nand_partitions,
  	.nr_parts	= ARRAY_SIZE(da830_evm_nand_partitions),
  	.ecc_mode	= NAND_ECC_HW,
  	.ecc_bits	= 4,
  	.bbt_options	= NAND_BBT_USE_FLASH,
  	.bbt_td		= &da830_evm_nand_bbt_main_descr,
  	.bbt_md		= &da830_evm_nand_bbt_mirror_descr,
  	.timing         = &da830_evm_nandflash_timing,
  };
  
  static struct resource da830_evm_nand_resources[] = {
  	[0] = {		/* First memory resource is NAND I/O window */
  		.start	= DA8XX_AEMIF_CS3_BASE,
  		.end	= DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {		/* Second memory resource is AEMIF control registers */
  		.start	= DA8XX_AEMIF_CTL_BASE,
  		.end	= DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
  		.flags	= IORESOURCE_MEM,
  	},
  };
  
  static struct platform_device da830_evm_nand_device = {
  	.name		= "davinci_nand",
  	.id		= 1,
  	.dev		= {
  		.platform_data	= &da830_evm_nand_pdata,
  	},
  	.num_resources	= ARRAY_SIZE(da830_evm_nand_resources),
  	.resource	= da830_evm_nand_resources,
  };
  
  static inline void da830_evm_init_nand(int mux_mode)
  {
  	int ret;
  
  	if (HAS_MMC) {
  		pr_warning("WARNING: both MMC/SD and NAND are "
  				"enabled, but they share AEMIF pins.\n"
  				"\tDisable MMC/SD for NAND support.\n");
  		return;
  	}
  
  	ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
  	if (ret)
  		pr_warning("da830_evm_init: emif25 mux setup failed: %d\n",
  				ret);
  
  	ret = platform_device_register(&da830_evm_nand_device);
  	if (ret)
  		pr_warning("da830_evm_init: NAND device not registered.\n");
  
  	gpio_direction_output(mux_mode, 1);
  }
  #else
  static inline void da830_evm_init_nand(int mux_mode) { }
  #endif
  
  #ifdef CONFIG_DA830_UI_LCD
  static inline void da830_evm_init_lcdc(int mux_mode)
  {
  	int ret;
  
  	ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
  	if (ret)
  		pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n",
  				ret);
  
  	ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
  	if (ret)
  		pr_warning("da830_evm_init: lcd setup failed: %d\n", ret);
  
  	gpio_direction_output(mux_mode, 0);
  }
  #else
  static inline void da830_evm_init_lcdc(int mux_mode) { }
  #endif
  
  static struct at24_platform_data da830_evm_i2c_eeprom_info = {
  	.byte_len	= SZ_256K / 8,
  	.page_size	= 64,
  	.flags		= AT24_FLAG_ADDR16,
  	.setup		= davinci_get_mac_addr,
  	.context	= (void *)0x7f00,
  };
  
  static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
  		int gpio, unsigned ngpio, void *context)
  {
  	gpio_request(gpio + 6, "UI MUX_MODE");
  
  	/* Drive mux mode low to match the default without UI card */
  	gpio_direction_output(gpio + 6, 0);
  
  	da830_evm_init_lcdc(gpio + 6);
  
  	da830_evm_init_nand(gpio + 6);
  
  	return 0;
  }
  
  static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
  		unsigned ngpio, void *context)
  {
  	gpio_free(gpio + 6);
  	return 0;
  }
  
  static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
  	.gpio_base	= DAVINCI_N_GPIO,
  	.setup		= da830_evm_ui_expander_setup,
  	.teardown	= da830_evm_ui_expander_teardown,
  };
  
  static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
  	{
  		I2C_BOARD_INFO("24c256", 0x50),
  		.platform_data	= &da830_evm_i2c_eeprom_info,
  	},
  	{
  		I2C_BOARD_INFO("tlv320aic3x", 0x18),
  	},
  	{
  		I2C_BOARD_INFO("pcf8574", 0x3f),
  		.platform_data	= &da830_evm_ui_expander_info,
  	},
  };
  
  static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
  	.bus_freq	= 100,	/* kHz */
  	.bus_delay	= 0,	/* usec */
  };
  
  /*
   * The following EDMA channels/slots are not being used by drivers (for
   * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
   * they are being reserved for codecs on the DSP side.
   */
  static const s16 da830_dma_rsv_chans[][2] = {
  	/* (offset, number) */
  	{ 8,  2},
  	{12,  2},
  	{24,  4},
  	{30,  2},
  	{-1, -1}
  };
  
  static const s16 da830_dma_rsv_slots[][2] = {
  	/* (offset, number) */
  	{ 8,  2},
  	{12,  2},
  	{24,  4},
  	{30, 26},
  	{-1, -1}
  };
  
  static struct edma_rsv_info da830_edma_rsv[] = {
  	{
  		.rsv_chans	= da830_dma_rsv_chans,
  		.rsv_slots	= da830_dma_rsv_slots,
  	},
  };
  
  static struct mtd_partition da830evm_spiflash_part[] = {
  	[0] = {
  		.name = "DSP-UBL",
  		.offset = 0,
  		.size = SZ_8K,
  		.mask_flags = MTD_WRITEABLE,
  	},
  	[1] = {
  		.name = "ARM-UBL",
  		.offset = MTDPART_OFS_APPEND,
  		.size = SZ_16K + SZ_8K,
  		.mask_flags = MTD_WRITEABLE,
  	},
  	[2] = {
  		.name = "U-Boot",
  		.offset = MTDPART_OFS_APPEND,
  		.size = SZ_256K - SZ_32K,
  		.mask_flags = MTD_WRITEABLE,
  	},
  	[3] = {
  		.name = "U-Boot-Environment",
  		.offset = MTDPART_OFS_APPEND,
  		.size = SZ_16K,
  		.mask_flags = 0,
  	},
  	[4] = {
  		.name = "Kernel",
  		.offset = MTDPART_OFS_APPEND,
  		.size = MTDPART_SIZ_FULL,
  		.mask_flags = 0,
  	},
  };
  
  static struct flash_platform_data da830evm_spiflash_data = {
  	.name		= "m25p80",
  	.parts		= da830evm_spiflash_part,
  	.nr_parts	= ARRAY_SIZE(da830evm_spiflash_part),
  	.type		= "w25x32",
  };
  
  static struct davinci_spi_config da830evm_spiflash_cfg = {
  	.io_type	= SPI_IO_TYPE_DMA,
  	.c2tdelay	= 8,
  	.t2cdelay	= 8,
  };
  
  static struct spi_board_info da830evm_spi_info[] = {
  	{
  		.modalias		= "m25p80",
  		.platform_data		= &da830evm_spiflash_data,
  		.controller_data	= &da830evm_spiflash_cfg,
  		.mode			= SPI_MODE_0,
  		.max_speed_hz		= 30000000,
  		.bus_num		= 0,
  		.chip_select		= 0,
  	},
  };
  
  static __init void da830_evm_init(void)
  {
  	struct davinci_soc_info *soc_info = &davinci_soc_info;
  	int ret;
  
  	ret = da830_register_gpio();
  	if (ret)
  		pr_warn("da830_evm_init: GPIO init failed: %d\n", ret);
  
  	ret = da830_register_edma(da830_edma_rsv);
  	if (ret)
  		pr_warning("da830_evm_init: edma registration failed: %d\n",
  				ret);
  
  	ret = davinci_cfg_reg_list(da830_i2c0_pins);
  	if (ret)
  		pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n",
  				ret);
  
  	ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
  	if (ret)
  		pr_warning("da830_evm_init: i2c0 registration failed: %d\n",
  				ret);
  
  	da830_evm_usb_init();
  
  	soc_info->emac_pdata->rmii_en = 1;
  	soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID;
  
  	ret = davinci_cfg_reg_list(da830_cpgmac_pins);
  	if (ret)
  		pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n",
  				ret);
  
  	ret = da8xx_register_emac();
  	if (ret)
  		pr_warning("da830_evm_init: emac registration failed: %d\n",
  				ret);
  
  	ret = da8xx_register_watchdog();
  	if (ret)
  		pr_warning("da830_evm_init: watchdog registration failed: %d\n",
  				ret);
  
  	davinci_serial_init(da8xx_serial_device);
  	i2c_register_board_info(1, da830_evm_i2c_devices,
  			ARRAY_SIZE(da830_evm_i2c_devices));
  
  	ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
  	if (ret)
  		pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n",
  				ret);
  
  	da8xx_register_mcasp(1, &da830_evm_snd_data);
  
  	da830_evm_init_mmc();
  
  	ret = da8xx_register_rtc();
  	if (ret)
  		pr_warning("da830_evm_init: rtc setup failed: %d\n", ret);
  
  	ret = spi_register_board_info(da830evm_spi_info,
  				      ARRAY_SIZE(da830evm_spi_info));
  	if (ret)
  		pr_warn("%s: spi info registration failed: %d\n", __func__,
  			ret);
  
  	ret = da8xx_register_spi_bus(0, ARRAY_SIZE(da830evm_spi_info));
  	if (ret)
  		pr_warning("da830_evm_init: spi 0 registration failed: %d\n",
  			   ret);
  }
  
  #ifdef CONFIG_SERIAL_8250_CONSOLE
  static int __init da830_evm_console_init(void)
  {
  	if (!machine_is_davinci_da830_evm())
  		return 0;
  
  	return add_preferred_console("ttyS", 2, "115200");
  }
  console_initcall(da830_evm_console_init);
  #endif
  
  static void __init da830_evm_map_io(void)
  {
  	da830_init();
  }
  
  MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
  	.atag_offset	= 0x100,
  	.map_io		= da830_evm_map_io,
  	.init_irq	= cp_intc_init,
  	.init_time	= davinci_timer_init,
  	.init_machine	= da830_evm_init,
  	.init_late	= davinci_init_late,
  	.dma_zone_size	= SZ_128M,
  	.restart	= da8xx_restart,
  MACHINE_END
  