[deliverable/linux.git] / arch / arm / mach-davinci / board-da830-evm.c

/*
 * 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");

	if (davinci_aemif_setup(&da830_evm_nand_device))
		pr_warn("%s: Cannot configure AEMIF.\n", __func__);

	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
Commit	Line	Data
8593790d MG	1	/*
	2	* TI DA830/OMAP L137 EVM board
	3	*
	4	* Author: Mark A. Greer <mgreer@mvista.com>
	5	* Derived from: arch/arm/mach-davinci/board-dm644x-evm.c
	6	*
	7	* 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
	8	* the terms of the GNU General Public License version 2. This program
	9	* is licensed "as is" without any warranty of any kind, whether express
	10	* or implied.
	11	*/
	12	#include <linux/kernel.h>
8593790d MG	13	#include <linux/init.h>
8593790d MG	14	#include <linux/console.h>
0e9a3ddc	15	#include <linux/interrupt.h>
13e1f044	16	#include <linux/gpio.h>
733975a3	17	#include <linux/platform_device.h>
8593790d	18	#include <linux/i2c.h>
13e1f044	19	#include <linux/i2c/pcf857x.h>
25f73ed5	20	#include <linux/platform_data/at24.h>
733975a3 DG	21	#include <linux/mtd/mtd.h>
733975a3 DG	22	#include <linux/mtd/partitions.h>
16a3c832 SN	23	#include <linux/spi/spi.h>
16a3c832 SN	24	#include <linux/spi/flash.h>
b856671e PA	25	#include <linux/platform_data/gpio-davinci.h>
	26	#include <linux/platform_data/mtd-davinci.h>
	27	#include <linux/platform_data/mtd-davinci-aemif.h>
	28	#include <linux/platform_data/spi-davinci.h>
	29	#include <linux/platform_data/usb-davinci.h>
8593790d MG	30
	31	#include <asm/mach-types.h>
	32	#include <asm/mach/arch.h>
	33
b856671e	34	#include <mach/common.h>
8593790d	35	#include <mach/cp_intc.h>
32bf078c	36	#include <mach/mux.h>
8593790d MG	37	#include <mach/da8xx.h>
8593790d MG	38
782f2d78	39	#define DA830_EVM_PHY_ID ""
0e9a3ddc SS	40	/*
	41	* USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
	42	*/
	43	#define ON_BD_USB_DRV GPIO_TO_PIN(1, 15)
	44	#define ON_BD_USB_OVC GPIO_TO_PIN(2, 4)
	45
	46	static const short da830_evm_usb11_pins[] = {
	47	DA830_GPIO1_15, DA830_GPIO2_4,
	48	-1
	49	};
	50
	51	static da8xx_ocic_handler_t da830_evm_usb_ocic_handler;
	52
	53	static int da830_evm_usb_set_power(unsigned port, int on)
	54	{
	55	gpio_set_value(ON_BD_USB_DRV, on);
	56	return 0;
	57	}
	58
	59	static int da830_evm_usb_get_power(unsigned port)
	60	{
	61	return gpio_get_value(ON_BD_USB_DRV);
	62	}
	63
	64	static int da830_evm_usb_get_oci(unsigned port)
	65	{
	66	return !gpio_get_value(ON_BD_USB_OVC);
	67	}
	68
	69	static irqreturn_t da830_evm_usb_ocic_irq(int, void *);
	70
	71	static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler)
	72	{
	73	int irq = gpio_to_irq(ON_BD_USB_OVC);
	74	int error = 0;
	75
	76	if (handler != NULL) {
	77	da830_evm_usb_ocic_handler = handler;
	78
1091a654	79	error = request_irq(irq, da830_evm_usb_ocic_irq,
0e9a3ddc SS	80	IRQF_TRIGGER_RISING \| IRQF_TRIGGER_FALLING,
	81	"OHCI over-current indicator", NULL);
	82	if (error)
	83	printk(KERN_ERR "%s: could not request IRQ to watch "
	84	"over-current indicator changes\n", __func__);
	85	} else
	86	free_irq(irq, NULL);
	87
	88	return error;
	89	}
	90
	91	static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
	92	.set_power = da830_evm_usb_set_power,
	93	.get_power = da830_evm_usb_get_power,
	94	.get_oci = da830_evm_usb_get_oci,
	95	.ocic_notify = da830_evm_usb_ocic_notify,
	96
	97	/* TPS2065 switch @ 5V */
	98	.potpgt = (3 + 1) / 2, /* 3 ms max */
	99	};
	100
	101	static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id)
	102	{
	103	da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1);
	104	return IRQ_HANDLED;
	105	}
	106
	107	static __init void da830_evm_usb_init(void)
	108	{
	109	u32 cfgchip2;
	110	int ret;
	111
	112	/*
	113	* Set up USB clock/mode in the CFGCHIP2 register.
	114	* FYI: CFGCHIP2 is 0x0000ef00 initially.
	115	*/
d2de0582	116	cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
0e9a3ddc SS	117
	118	/* USB2.0 PHY reference clock is 24 MHz */
	119	cfgchip2 &= ~CFGCHIP2_REFFREQ;
	120	cfgchip2 \|= CFGCHIP2_REFFREQ_24MHZ;
	121
	122	/*
	123	* Select internal reference clock for USB 2.0 PHY
	124	* and use it as a clock source for USB 1.1 PHY
	125	* (this is the default setting anyway).
	126	*/
	127	cfgchip2 &= ~CFGCHIP2_USB1PHYCLKMUX;
	128	cfgchip2 \|= CFGCHIP2_USB2PHYCLKMUX;
	129
ca6a272a SS	130	/*
	131	* We have to override VBUS/ID signals when MUSB is configured into the
	132	* host-only mode -- ID pin will float if no cable is connected, so the
	133	* controller won't be able to drive VBUS thinking that it's a B-device.
	134	* Otherwise, we want to use the OTG mode and enable VBUS comparators.
	135	*/
	136	cfgchip2 &= ~CFGCHIP2_OTGMODE;
	137	#ifdef CONFIG_USB_MUSB_HOST
	138	cfgchip2 \|= CFGCHIP2_FORCE_HOST;
	139	#else
	140	cfgchip2 \|= CFGCHIP2_SESENDEN \| CFGCHIP2_VBDTCTEN;
	141	#endif
	142
d2de0582	143	__raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
0e9a3ddc	144
ca6a272a SS	145	/* USB_REFCLKIN is not used. */
	146	ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
	147	if (ret)
	148	pr_warning("%s: USB 2.0 PinMux setup failed: %d\n",
	149	__func__, ret);
	150	else {
	151	/*
	152	* TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
	153	* with the power on to power good time of 3 ms.
	154	*/
	155	ret = da8xx_register_usb20(1000, 3);
	156	if (ret)
	157	pr_warning("%s: USB 2.0 registration failed: %d\n",
	158	__func__, ret);
	159	}
	160
3821d10a	161	ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
0e9a3ddc SS	162	if (ret) {
	163	pr_warning("%s: USB 1.1 PinMux setup failed: %d\n",
	164	__func__, ret);
	165	return;
	166	}
	167
	168	ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV");
	169	if (ret) {
	170	printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
	171	"power control: %d\n", __func__, ret);
	172	return;
	173	}
	174	gpio_direction_output(ON_BD_USB_DRV, 0);
	175
	176	ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC");
	177	if (ret) {
	178	printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
	179	"over-current indicator: %d\n", __func__, ret);
	180	return;
	181	}
	182	gpio_direction_input(ON_BD_USB_OVC);
	183
	184	ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
	185	if (ret)
	186	pr_warning("%s: USB 1.1 registration failed: %d\n",
	187	__func__, ret);
	188	}
	189
32bf078c MG	190	static const short da830_evm_mcasp1_pins[] = {
	191	DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
	192	DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
	193	DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
	194	DA830_AXR1_11,
	195	-1
	196	};
	197
e33ef5e3 C	198	static u8 da830_iis_serializer_direction[] = {
	199	RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
	200	INACTIVE_MODE, TX_MODE, INACTIVE_MODE, INACTIVE_MODE,
	201	INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
	202	};
	203
	204	static struct snd_platform_data da830_evm_snd_data = {
	205	.tx_dma_offset = 0x2000,
	206	.rx_dma_offset = 0x2000,
	207	.op_mode = DAVINCI_MCASP_IIS_MODE,
	208	.num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
	209	.tdm_slots = 2,
	210	.serial_dir = da830_iis_serializer_direction,
48519f0a	211	.asp_chan_q = EVENTQ_0,
e33ef5e3 C	212	.version = MCASP_VERSION_2,
	213	.txnumevt = 1,
	214	.rxnumevt = 1,
	215	};
	216
2eb30c81 DG	217	/*
	218	* GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
	219	*/
	220	static const short da830_evm_mmc_sd_pins[] = {
	221	DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
	222	DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
	223	DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
	224	DA830_MMCSD_CMD, DA830_GPIO2_1, DA830_GPIO2_2,
	225	-1
	226	};
	227
	228	#define DA830_MMCSD_WP_PIN GPIO_TO_PIN(2, 1)
8ccfd3f0	229	#define DA830_MMCSD_CD_PIN GPIO_TO_PIN(2, 2)
2eb30c81 DG	230
	231	static int da830_evm_mmc_get_ro(int index)
	232	{
	233	return gpio_get_value(DA830_MMCSD_WP_PIN);
	234	}
	235
8ccfd3f0 VB	236	static int da830_evm_mmc_get_cd(int index)
	237	{
	238	return !gpio_get_value(DA830_MMCSD_CD_PIN);
	239	}
	240
2eb30c81 DG	241	static struct davinci_mmc_config da830_evm_mmc_config = {
2eb30c81 DG	242	.get_ro = da830_evm_mmc_get_ro,
8ccfd3f0	243	.get_cd = da830_evm_mmc_get_cd,
d154fed7	244	.wires = 8,
0046d0bf C	245	.max_freq = 50000000,
0046d0bf C	246	.caps = MMC_CAP_MMC_HIGHSPEED \| MMC_CAP_SD_HIGHSPEED,
2eb30c81 DG	247	};
	248
	249	static inline void da830_evm_init_mmc(void)
	250	{
	251	int ret;
	252
3821d10a	253	ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
2eb30c81 DG	254	if (ret) {
	255	pr_warning("da830_evm_init: mmc/sd mux setup failed: %d\n",
	256	ret);
	257	return;
	258	}
	259
	260	ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP");
	261	if (ret) {
	262	pr_warning("da830_evm_init: can not open GPIO %d\n",
	263	DA830_MMCSD_WP_PIN);
	264	return;
	265	}
	266	gpio_direction_input(DA830_MMCSD_WP_PIN);
	267
8ccfd3f0 VB	268	ret = gpio_request(DA830_MMCSD_CD_PIN, "MMC CD\n");
	269	if (ret) {
	270	pr_warning("da830_evm_init: can not open GPIO %d\n",
	271	DA830_MMCSD_CD_PIN);
	272	return;
	273	}
	274	gpio_direction_input(DA830_MMCSD_CD_PIN);
	275
2eb30c81 DG	276	ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
	277	if (ret) {
	278	pr_warning("da830_evm_init: mmc/sd registration failed: %d\n",
	279	ret);
	280	gpio_free(DA830_MMCSD_WP_PIN);
	281	}
	282	}
	283
a0433ac3 SN	284	/*
	285	* UI board NAND/NOR flashes only use 8-bit data bus.
	286	*/
	287	static const short da830_evm_emif25_pins[] = {
	288	DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
	289	DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
	290	DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
	291	DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
	292	DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
	293	DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
	294	DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
	295	-1
	296	};
	297
a0a56db9	298	#define HAS_MMC IS_ENABLED(CONFIG_MMC_DAVINCI)
b5ebe4e1	299
733975a3 DG	300	#ifdef CONFIG_DA830_UI_NAND
	301	static struct mtd_partition da830_evm_nand_partitions[] = {
	302	/* bootloader (U-Boot, etc) in first sector */
	303	[0] = {
	304	.name = "bootloader",
	305	.offset = 0,
	306	.size = SZ_128K,
	307	.mask_flags = MTD_WRITEABLE, /* force read-only */
	308	},
	309	/* bootloader params in the next sector */
	310	[1] = {
	311	.name = "params",
	312	.offset = MTDPART_OFS_APPEND,
	313	.size = SZ_128K,
	314	.mask_flags = MTD_WRITEABLE, /* force read-only */
	315	},
	316	/* kernel */
	317	[2] = {
	318	.name = "kernel",
	319	.offset = MTDPART_OFS_APPEND,
	320	.size = SZ_2M,
	321	.mask_flags = 0,
	322	},
	323	/* file system */
	324	[3] = {
	325	.name = "filesystem",
	326	.offset = MTDPART_OFS_APPEND,
	327	.size = MTDPART_SIZ_FULL,
	328	.mask_flags = 0,
	329	}
	330	};
	331
	332	/* flash bbt decriptors */
	333	static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
	334	static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
	335
	336	static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
	337	.options = NAND_BBT_LASTBLOCK \| NAND_BBT_CREATE \|
	338	NAND_BBT_WRITE \| NAND_BBT_2BIT \|
	339	NAND_BBT_VERSION \| NAND_BBT_PERCHIP,
	340	.offs = 2,
	341	.len = 4,
	342	.veroffs = 16,
	343	.maxblocks = 4,
	344	.pattern = da830_evm_nand_bbt_pattern
	345	};
	346
	347	static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
	348	.options = NAND_BBT_LASTBLOCK \| NAND_BBT_CREATE \|
	349	NAND_BBT_WRITE \| NAND_BBT_2BIT \|
	350	NAND_BBT_VERSION \| NAND_BBT_PERCHIP,
	351	.offs = 2,
	352	.len = 4,
	353	.veroffs = 16,
	354	.maxblocks = 4,
	355	.pattern = da830_evm_nand_mirror_pattern
	356	};
	357
217f1366 SR	358	static struct davinci_aemif_timing da830_evm_nandflash_timing = {
	359	.wsetup = 24,
	360	.wstrobe = 21,
	361	.whold = 14,
	362	.rsetup = 19,
	363	.rstrobe = 50,
	364	.rhold = 0,
	365	.ta = 20,
	366	};
	367
733975a3 DG	368	static struct davinci_nand_pdata da830_evm_nand_pdata = {
	369	.parts = da830_evm_nand_partitions,
	370	.nr_parts = ARRAY_SIZE(da830_evm_nand_partitions),
	371	.ecc_mode = NAND_ECC_HW,
	372	.ecc_bits = 4,
bb9ebd4e	373	.bbt_options = NAND_BBT_USE_FLASH,
733975a3 DG	374	.bbt_td = &da830_evm_nand_bbt_main_descr,
733975a3 DG	375	.bbt_md = &da830_evm_nand_bbt_mirror_descr,
217f1366	376	.timing = &da830_evm_nandflash_timing,
733975a3 DG	377	};
	378
	379	static struct resource da830_evm_nand_resources[] = {
	380	[0] = { /* First memory resource is NAND I/O window */
002cb2d2 SS	381	.start = DA8XX_AEMIF_CS3_BASE,
002cb2d2 SS	382	.end = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
733975a3 DG	383	.flags = IORESOURCE_MEM,
	384	},
	385	[1] = { /* Second memory resource is AEMIF control registers */
002cb2d2 SS	386	.start = DA8XX_AEMIF_CTL_BASE,
002cb2d2 SS	387	.end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
733975a3 DG	388	.flags = IORESOURCE_MEM,
	389	},
	390	};
	391
	392	static struct platform_device da830_evm_nand_device = {
	393	.name = "davinci_nand",
	394	.id = 1,
	395	.dev = {
	396	.platform_data = &da830_evm_nand_pdata,
	397	},
	398	.num_resources = ARRAY_SIZE(da830_evm_nand_resources),
	399	.resource = da830_evm_nand_resources,
	400	};
a0433ac3	401
77316f05	402	static inline void da830_evm_init_nand(int mux_mode)
a0433ac3 SN	403	{
	404	int ret;
	405
b5ebe4e1 SN	406	if (HAS_MMC) {
	407	pr_warning("WARNING: both MMC/SD and NAND are "
	408	"enabled, but they share AEMIF pins.\n"
	409	"\tDisable MMC/SD for NAND support.\n");
	410	return;
	411	}
	412
3821d10a	413	ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
a0433ac3 SN	414	if (ret)
	415	pr_warning("da830_evm_init: emif25 mux setup failed: %d\n",
	416	ret);
	417
	418	ret = platform_device_register(&da830_evm_nand_device);
	419	if (ret)
	420	pr_warning("da830_evm_init: NAND device not registered.\n");
77316f05	421
67f5185c IK	422	if (davinci_aemif_setup(&da830_evm_nand_device))
	423	pr_warn("%s: Cannot configure AEMIF.\n", __func__);
	424
77316f05	425	gpio_direction_output(mux_mode, 1);
a0433ac3 SN	426	}
a0433ac3 SN	427	#else
77316f05	428	static inline void da830_evm_init_nand(int mux_mode) { }
733975a3 DG	429	#endif
733975a3 DG	430
a0433ac3	431	#ifdef CONFIG_DA830_UI_LCD
77316f05	432	static inline void da830_evm_init_lcdc(int mux_mode)
a0433ac3 SN	433	{
	434	int ret;
	435
3821d10a	436	ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
a0433ac3 SN	437	if (ret)
	438	pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n",
	439	ret);
	440
	441	ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
	442	if (ret)
	443	pr_warning("da830_evm_init: lcd setup failed: %d\n", ret);
77316f05 SN	444
77316f05 SN	445	gpio_direction_output(mux_mode, 0);
a0433ac3 SN	446	}
a0433ac3 SN	447	#else
77316f05	448	static inline void da830_evm_init_lcdc(int mux_mode) { }
a0433ac3	449	#endif
733975a3	450
77316f05 SN	451	static struct at24_platform_data da830_evm_i2c_eeprom_info = {
	452	.byte_len = SZ_256K / 8,
	453	.page_size = 64,
	454	.flags = AT24_FLAG_ADDR16,
	455	.setup = davinci_get_mac_addr,
	456	.context = (void *)0x7f00,
	457	};
	458
1ef203c3 SR	459	static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
1ef203c3 SR	460	int gpio, unsigned ngpio, void *context)
77316f05 SN	461	{
	462	gpio_request(gpio + 6, "UI MUX_MODE");
	463
b5ebe4e1 SN	464	/* Drive mux mode low to match the default without UI card */
	465	gpio_direction_output(gpio + 6, 0);
	466
77316f05 SN	467	da830_evm_init_lcdc(gpio + 6);
	468
	469	da830_evm_init_nand(gpio + 6);
	470
	471	return 0;
	472	}
	473
	474	static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
	475	unsigned ngpio, void *context)
	476	{
	477	gpio_free(gpio + 6);
	478	return 0;
	479	}
	480
1ef203c3	481	static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
77316f05 SN	482	.gpio_base = DAVINCI_N_GPIO,
	483	.setup = da830_evm_ui_expander_setup,
	484	.teardown = da830_evm_ui_expander_teardown,
	485	};
	486
	487	static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
	488	{
	489	I2C_BOARD_INFO("24c256", 0x50),
	490	.platform_data = &da830_evm_i2c_eeprom_info,
	491	},
	492	{
	493	I2C_BOARD_INFO("tlv320aic3x", 0x18),
	494	},
	495	{
	496	I2C_BOARD_INFO("pcf8574", 0x3f),
	497	.platform_data = &da830_evm_ui_expander_info,
	498	},
	499	};
	500
	501	static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
	502	.bus_freq = 100, /* kHz */
	503	.bus_delay = 0, /* usec */
	504	};
	505
a941c503 RS	506	/*
	507	* The following EDMA channels/slots are not being used by drivers (for
	508	* example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
	509	* they are being reserved for codecs on the DSP side.
	510	*/
	511	static const s16 da830_dma_rsv_chans[][2] = {
	512	/* (offset, number) */
	513	{ 8, 2},
	514	{12, 2},
	515	{24, 4},
	516	{30, 2},
	517	{-1, -1}
	518	};
	519
	520	static const s16 da830_dma_rsv_slots[][2] = {
	521	/* (offset, number) */
	522	{ 8, 2},
	523	{12, 2},
	524	{24, 4},
	525	{30, 26},
	526	{-1, -1}
	527	};
	528
	529	static struct edma_rsv_info da830_edma_rsv[] = {
	530	{
	531	.rsv_chans = da830_dma_rsv_chans,
	532	.rsv_slots = da830_dma_rsv_slots,
	533	},
	534	};
	535
16a3c832 SN	536	static struct mtd_partition da830evm_spiflash_part[] = {
	537	[0] = {
	538	.name = "DSP-UBL",
	539	.offset = 0,
	540	.size = SZ_8K,
	541	.mask_flags = MTD_WRITEABLE,
	542	},
	543	[1] = {
	544	.name = "ARM-UBL",
	545	.offset = MTDPART_OFS_APPEND,
	546	.size = SZ_16K + SZ_8K,
	547	.mask_flags = MTD_WRITEABLE,
	548	},
	549	[2] = {
	550	.name = "U-Boot",
	551	.offset = MTDPART_OFS_APPEND,
	552	.size = SZ_256K - SZ_32K,
	553	.mask_flags = MTD_WRITEABLE,
	554	},
	555	[3] = {
	556	.name = "U-Boot-Environment",
	557	.offset = MTDPART_OFS_APPEND,
	558	.size = SZ_16K,
	559	.mask_flags = 0,
	560	},
	561	[4] = {
	562	.name = "Kernel",
	563	.offset = MTDPART_OFS_APPEND,
	564	.size = MTDPART_SIZ_FULL,
	565	.mask_flags = 0,
	566	},
	567	};
	568
	569	static struct flash_platform_data da830evm_spiflash_data = {
	570	.name = "m25p80",
	571	.parts = da830evm_spiflash_part,
	572	.nr_parts = ARRAY_SIZE(da830evm_spiflash_part),
	573	.type = "w25x32",
	574	};
	575
	576	static struct davinci_spi_config da830evm_spiflash_cfg = {
	577	.io_type = SPI_IO_TYPE_DMA,
	578	.c2tdelay = 8,
	579	.t2cdelay = 8,
	580	};
	581
	582	static struct spi_board_info da830evm_spi_info[] = {
	583	{
	584	.modalias = "m25p80",
	585	.platform_data = &da830evm_spiflash_data,
	586	.controller_data = &da830evm_spiflash_cfg,
	587	.mode = SPI_MODE_0,
	588	.max_speed_hz = 30000000,
	589	.bus_num = 0,
	590	.chip_select = 0,
	591	},
	592	};
	593
8593790d MG	594	static __init void da830_evm_init(void)
	595	{
	596	struct davinci_soc_info *soc_info = &davinci_soc_info;
	597	int ret;
	598
b856671e PA	599	ret = da830_register_gpio();
	600	if (ret)
	601	pr_warn("da830_evm_init: GPIO init failed: %d\n", ret);
	602
a941c503	603	ret = da830_register_edma(da830_edma_rsv);
8593790d MG	604	if (ret)
	605	pr_warning("da830_evm_init: edma registration failed: %d\n",
	606	ret);
	607
3821d10a	608	ret = davinci_cfg_reg_list(da830_i2c0_pins);
8593790d MG	609	if (ret)
	610	pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n",
	611	ret);
	612
	613	ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
	614	if (ret)
	615	pr_warning("da830_evm_init: i2c0 registration failed: %d\n",
	616	ret);
	617
0e9a3ddc SS	618	da830_evm_usb_init();
0e9a3ddc SS	619
8593790d	620	soc_info->emac_pdata->rmii_en = 1;
782f2d78	621	soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID;
8593790d	622
3821d10a	623	ret = davinci_cfg_reg_list(da830_cpgmac_pins);
8593790d MG	624	if (ret)
	625	pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n",
	626	ret);
	627
	628	ret = da8xx_register_emac();
	629	if (ret)
	630	pr_warning("da830_evm_init: emac registration failed: %d\n",
	631	ret);
	632
	633	ret = da8xx_register_watchdog();
	634	if (ret)
	635	pr_warning("da830_evm_init: watchdog registration failed: %d\n",
	636	ret);
	637
fcf7157b	638	davinci_serial_init(da8xx_serial_device);
8593790d MG	639	i2c_register_board_info(1, da830_evm_i2c_devices,
8593790d MG	640	ARRAY_SIZE(da830_evm_i2c_devices));
e33ef5e3	641
3821d10a	642	ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
e33ef5e3 C	643	if (ret)
	644	pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n",
	645	ret);
	646
b8864aa4	647	da8xx_register_mcasp(1, &da830_evm_snd_data);
2eb30c81 DG	648
2eb30c81 DG	649	da830_evm_init_mmc();
13e1f044	650
c51df70b MG	651	ret = da8xx_register_rtc();
	652	if (ret)
	653	pr_warning("da830_evm_init: rtc setup failed: %d\n", ret);
16a3c832	654
0273612c VD	655	ret = spi_register_board_info(da830evm_spi_info,
	656	ARRAY_SIZE(da830evm_spi_info));
	657	if (ret)
	658	pr_warn("%s: spi info registration failed: %d\n", __func__,
	659	ret);
	660
	661	ret = da8xx_register_spi_bus(0, ARRAY_SIZE(da830evm_spi_info));
16a3c832 SN	662	if (ret)
	663	pr_warning("da830_evm_init: spi 0 registration failed: %d\n",
	664	ret);
8593790d MG	665	}
	666
	667	#ifdef CONFIG_SERIAL_8250_CONSOLE
	668	static int __init da830_evm_console_init(void)
	669	{
1aa5f2a9 MW	670	if (!machine_is_davinci_da830_evm())
	671	return 0;
	672
8593790d MG	673	return add_preferred_console("ttyS", 2, "115200");
	674	}
	675	console_initcall(da830_evm_console_init);
	676	#endif
	677
8593790d MG	678	static void __init da830_evm_map_io(void)
	679	{
	680	da830_init();
	681	}
	682
48ea89ea	683	MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
e7e56014	684	.atag_offset = 0x100,
8593790d	685	.map_io = da830_evm_map_io,
bd808947	686	.init_irq = cp_intc_init,
6bb27d73	687	.init_time = davinci_timer_init,
8593790d	688	.init_machine = da830_evm_init,
3aa3e840	689	.init_late = davinci_init_late,
f68deabf	690	.dma_zone_size = SZ_128M,
c6121ddd	691	.restart = da8xx_restart,
8593790d	692	MACHINE_END