[linux-2.6-block.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/i2c/at24.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#include <mach/cp_intc.h>
#include <mach/mux.h>
#include <linux/platform_data/mtd-davinci.h>
#include <mach/da8xx.h>
#include <linux/platform_data/usb-davinci.h>
#include <linux/platform_data/mtd-davinci-aemif.h>
#include <linux/platform_data/spi-davinci.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_DISABLED |
				    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 struct davinci_uart_config da830_evm_uart_config __initdata = {
	.enabled_uarts = 0x7,
};

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,
	.version		= MMC_CTLR_VERSION_2,
};

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
};

#if defined(CONFIG_MMC_DAVINCI) || defined(CONFIG_MMC_DAVINCI_MODULE)
#define HAS_MMC	1
#else
#define HAS_MMC	0
#endif

#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_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(&da830_evm_uart_config);
	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>
8593790d	20	#include <linux/i2c/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>
8593790d MG	25
	26	#include <asm/mach-types.h>
	27	#include <asm/mach/arch.h>
	28
8593790d	29	#include <mach/cp_intc.h>
32bf078c	30	#include <mach/mux.h>
ec2a0833	31	#include <linux/platform_data/mtd-davinci.h>
8593790d	32	#include <mach/da8xx.h>
ec2a0833 AB	33	#include <linux/platform_data/usb-davinci.h>
	34	#include <linux/platform_data/mtd-davinci-aemif.h>
	35	#include <linux/platform_data/spi-davinci.h>
8593790d	36
782f2d78	37	#define DA830_EVM_PHY_ID ""
0e9a3ddc SS	38	/*
	39	* USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
	40	*/
	41	#define ON_BD_USB_DRV GPIO_TO_PIN(1, 15)
	42	#define ON_BD_USB_OVC GPIO_TO_PIN(2, 4)
	43
	44	static const short da830_evm_usb11_pins[] = {
	45	DA830_GPIO1_15, DA830_GPIO2_4,
	46	-1
	47	};
	48
	49	static da8xx_ocic_handler_t da830_evm_usb_ocic_handler;
	50
	51	static int da830_evm_usb_set_power(unsigned port, int on)
	52	{
	53	gpio_set_value(ON_BD_USB_DRV, on);
	54	return 0;
	55	}
	56
	57	static int da830_evm_usb_get_power(unsigned port)
	58	{
	59	return gpio_get_value(ON_BD_USB_DRV);
	60	}
	61
	62	static int da830_evm_usb_get_oci(unsigned port)
	63	{
	64	return !gpio_get_value(ON_BD_USB_OVC);
	65	}
	66
	67	static irqreturn_t da830_evm_usb_ocic_irq(int, void *);
	68
	69	static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler)
	70	{
	71	int irq = gpio_to_irq(ON_BD_USB_OVC);
	72	int error = 0;
	73
	74	if (handler != NULL) {
	75	da830_evm_usb_ocic_handler = handler;
	76
	77	error = request_irq(irq, da830_evm_usb_ocic_irq, IRQF_DISABLED \|
	78	IRQF_TRIGGER_RISING \| IRQF_TRIGGER_FALLING,
	79	"OHCI over-current indicator", NULL);
	80	if (error)
	81	printk(KERN_ERR "%s: could not request IRQ to watch "
	82	"over-current indicator changes\n", __func__);
	83	} else
	84	free_irq(irq, NULL);
	85
	86	return error;
	87	}
	88
	89	static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
	90	.set_power = da830_evm_usb_set_power,
	91	.get_power = da830_evm_usb_get_power,
	92	.get_oci = da830_evm_usb_get_oci,
	93	.ocic_notify = da830_evm_usb_ocic_notify,
	94
	95	/* TPS2065 switch @ 5V */
	96	.potpgt = (3 + 1) / 2, /* 3 ms max */
	97	};
	98
	99	static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id)
	100	{
	101	da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1);
102	return IRQ_HANDLED;
103	}
104
105	static __init void da830_evm_usb_init(void)
106	{
107	u32 cfgchip2;
108	int ret;
109
110	/*
111	* Set up USB clock/mode in the CFGCHIP2 register.
112	* FYI: CFGCHIP2 is 0x0000ef00 initially.
113	*/
d2de0582	114	cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
0e9a3ddc SS	115
	116	/* USB2.0 PHY reference clock is 24 MHz */
	117	cfgchip2 &= ~CFGCHIP2_REFFREQ;
	118	cfgchip2 \|= CFGCHIP2_REFFREQ_24MHZ;
	119
	120	/*
	121	* Select internal reference clock for USB 2.0 PHY
	122	* and use it as a clock source for USB 1.1 PHY
	123	* (this is the default setting anyway).
	124	*/
	125	cfgchip2 &= ~CFGCHIP2_USB1PHYCLKMUX;
	126	cfgchip2 \|= CFGCHIP2_USB2PHYCLKMUX;
	127
ca6a272a SS	128	/*
	129	* We have to override VBUS/ID signals when MUSB is configured into the
	130	* host-only mode -- ID pin will float if no cable is connected, so the
	131	* controller won't be able to drive VBUS thinking that it's a B-device.
	132	* Otherwise, we want to use the OTG mode and enable VBUS comparators.
	133	*/
	134	cfgchip2 &= ~CFGCHIP2_OTGMODE;
	135	#ifdef CONFIG_USB_MUSB_HOST
	136	cfgchip2 \|= CFGCHIP2_FORCE_HOST;
	137	#else
	138	cfgchip2 \|= CFGCHIP2_SESENDEN \| CFGCHIP2_VBDTCTEN;
	139	#endif
	140
d2de0582	141	__raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
0e9a3ddc	142
ca6a272a SS	143	/* USB_REFCLKIN is not used. */
	144	ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
	145	if (ret)
	146	pr_warning("%s: USB 2.0 PinMux setup failed: %d\n",
	147	__func__, ret);
	148	else {
	149	/*
	150	* TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
	151	* with the power on to power good time of 3 ms.
	152	*/
	153	ret = da8xx_register_usb20(1000, 3);
	154	if (ret)
	155	pr_warning("%s: USB 2.0 registration failed: %d\n",
	156	__func__, ret);
	157	}
	158
3821d10a	159	ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
0e9a3ddc SS	160	if (ret) {
	161	pr_warning("%s: USB 1.1 PinMux setup failed: %d\n",
	162	__func__, ret);
	163	return;
	164	}
	165
	166	ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV");
	167	if (ret) {
	168	printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
	169	"power control: %d\n", __func__, ret);
	170	return;
	171	}
	172	gpio_direction_output(ON_BD_USB_DRV, 0);
	173
	174	ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC");
	175	if (ret) {
	176	printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
	177	"over-current indicator: %d\n", __func__, ret);
	178	return;
	179	}
	180	gpio_direction_input(ON_BD_USB_OVC);
	181
	182	ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
	183	if (ret)
	184	pr_warning("%s: USB 1.1 registration failed: %d\n",
	185	__func__, ret);
	186	}
	187
8593790d MG	188	static struct davinci_uart_config da830_evm_uart_config __initdata = {
	189	.enabled_uarts = 0x7,
	190	};
	191
32bf078c MG	192	static const short da830_evm_mcasp1_pins[] = {
	193	DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
	194	DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
	195	DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
	196	DA830_AXR1_11,
	197	-1
	198	};
	199
e33ef5e3 C	200	static u8 da830_iis_serializer_direction[] = {
	201	RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
	202	INACTIVE_MODE, TX_MODE, INACTIVE_MODE, INACTIVE_MODE,
	203	INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
	204	};
	205
	206	static struct snd_platform_data da830_evm_snd_data = {
	207	.tx_dma_offset = 0x2000,
	208	.rx_dma_offset = 0x2000,
	209	.op_mode = DAVINCI_MCASP_IIS_MODE,
	210	.num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
	211	.tdm_slots = 2,
	212	.serial_dir = da830_iis_serializer_direction,
48519f0a	213	.asp_chan_q = EVENTQ_0,
e33ef5e3 C	214	.version = MCASP_VERSION_2,
	215	.txnumevt = 1,
	216	.rxnumevt = 1,
	217	};
	218
2eb30c81 DG	219	/*
	220	* GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
	221	*/
	222	static const short da830_evm_mmc_sd_pins[] = {
	223	DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
	224	DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
	225	DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
	226	DA830_MMCSD_CMD, DA830_GPIO2_1, DA830_GPIO2_2,
	227	-1
	228	};
	229
	230	#define DA830_MMCSD_WP_PIN GPIO_TO_PIN(2, 1)
8ccfd3f0	231	#define DA830_MMCSD_CD_PIN GPIO_TO_PIN(2, 2)
2eb30c81 DG	232
	233	static int da830_evm_mmc_get_ro(int index)
	234	{
	235	return gpio_get_value(DA830_MMCSD_WP_PIN);
	236	}
	237
8ccfd3f0 VB	238	static int da830_evm_mmc_get_cd(int index)
	239	{
	240	return !gpio_get_value(DA830_MMCSD_CD_PIN);
	241	}
	242
2eb30c81 DG	243	static struct davinci_mmc_config da830_evm_mmc_config = {
2eb30c81 DG	244	.get_ro = da830_evm_mmc_get_ro,
8ccfd3f0	245	.get_cd = da830_evm_mmc_get_cd,
d154fed7	246	.wires = 8,
0046d0bf C	247	.max_freq = 50000000,
0046d0bf C	248	.caps = MMC_CAP_MMC_HIGHSPEED \| MMC_CAP_SD_HIGHSPEED,
2eb30c81 DG	249	.version = MMC_CTLR_VERSION_2,
	250	};
	251
	252	static inline void da830_evm_init_mmc(void)
	253	{
	254	int ret;
	255
3821d10a	256	ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
2eb30c81 DG	257	if (ret) {
	258	pr_warning("da830_evm_init: mmc/sd mux setup failed: %d\n",
	259	ret);
	260	return;
	261	}
	262
	263	ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP");
	264	if (ret) {
	265	pr_warning("da830_evm_init: can not open GPIO %d\n",
	266	DA830_MMCSD_WP_PIN);
	267	return;
	268	}
	269	gpio_direction_input(DA830_MMCSD_WP_PIN);
	270
8ccfd3f0 VB	271	ret = gpio_request(DA830_MMCSD_CD_PIN, "MMC CD\n");
	272	if (ret) {
	273	pr_warning("da830_evm_init: can not open GPIO %d\n",
	274	DA830_MMCSD_CD_PIN);
	275	return;
	276	}
	277	gpio_direction_input(DA830_MMCSD_CD_PIN);
	278
2eb30c81 DG	279	ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
	280	if (ret) {
	281	pr_warning("da830_evm_init: mmc/sd registration failed: %d\n",
	282	ret);
	283	gpio_free(DA830_MMCSD_WP_PIN);
	284	}
	285	}
	286
a0433ac3 SN	287	/*
	288	* UI board NAND/NOR flashes only use 8-bit data bus.
	289	*/
	290	static const short da830_evm_emif25_pins[] = {
	291	DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
	292	DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
	293	DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
	294	DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
	295	DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
	296	DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
	297	DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
	298	-1
	299	};
	300
b5ebe4e1 SN	301	#if defined(CONFIG_MMC_DAVINCI) \|\| defined(CONFIG_MMC_DAVINCI_MODULE)
	302	#define HAS_MMC 1
	303	#else
	304	#define HAS_MMC 0
	305	#endif
	306
733975a3 DG	307	#ifdef CONFIG_DA830_UI_NAND
	308	static struct mtd_partition da830_evm_nand_partitions[] = {
	309	/* bootloader (U-Boot, etc) in first sector */
	310	[0] = {
	311	.name = "bootloader",
	312	.offset = 0,
	313	.size = SZ_128K,
	314	.mask_flags = MTD_WRITEABLE, /* force read-only */
	315	},
	316	/* bootloader params in the next sector */
	317	[1] = {
	318	.name = "params",
	319	.offset = MTDPART_OFS_APPEND,
	320	.size = SZ_128K,
	321	.mask_flags = MTD_WRITEABLE, /* force read-only */
	322	},
	323	/* kernel */
	324	[2] = {
	325	.name = "kernel",
	326	.offset = MTDPART_OFS_APPEND,
	327	.size = SZ_2M,
	328	.mask_flags = 0,
	329	},
	330	/* file system */
	331	[3] = {
	332	.name = "filesystem",
	333	.offset = MTDPART_OFS_APPEND,
	334	.size = MTDPART_SIZ_FULL,
	335	.mask_flags = 0,
	336	}
	337	};
	338
	339	/* flash bbt decriptors */
	340	static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
	341	static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
	342
	343	static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
	344	.options = NAND_BBT_LASTBLOCK \| NAND_BBT_CREATE \|
	345	NAND_BBT_WRITE \| NAND_BBT_2BIT \|
	346	NAND_BBT_VERSION \| NAND_BBT_PERCHIP,
	347	.offs = 2,
	348	.len = 4,
	349	.veroffs = 16,
	350	.maxblocks = 4,
	351	.pattern = da830_evm_nand_bbt_pattern
	352	};
	353
	354	static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
	355	.options = NAND_BBT_LASTBLOCK \| NAND_BBT_CREATE \|
	356	NAND_BBT_WRITE \| NAND_BBT_2BIT \|
	357	NAND_BBT_VERSION \| NAND_BBT_PERCHIP,
	358	.offs = 2,
	359	.len = 4,
	360	.veroffs = 16,
	361	.maxblocks = 4,
	362	.pattern = da830_evm_nand_mirror_pattern
	363	};
	364
217f1366 SR	365	static struct davinci_aemif_timing da830_evm_nandflash_timing = {
	366	.wsetup = 24,
	367	.wstrobe = 21,
	368	.whold = 14,
	369	.rsetup = 19,
	370	.rstrobe = 50,
	371	.rhold = 0,
	372	.ta = 20,
	373	};
	374
733975a3 DG	375	static struct davinci_nand_pdata da830_evm_nand_pdata = {
	376	.parts = da830_evm_nand_partitions,
	377	.nr_parts = ARRAY_SIZE(da830_evm_nand_partitions),
	378	.ecc_mode = NAND_ECC_HW,
	379	.ecc_bits = 4,
bb9ebd4e	380	.bbt_options = NAND_BBT_USE_FLASH,
733975a3 DG	381	.bbt_td = &da830_evm_nand_bbt_main_descr,
733975a3 DG	382	.bbt_md = &da830_evm_nand_bbt_mirror_descr,
217f1366	383	.timing = &da830_evm_nandflash_timing,
733975a3 DG	384	};
	385
	386	static struct resource da830_evm_nand_resources[] = {
	387	[0] = { /* First memory resource is NAND I/O window */
002cb2d2 SS	388	.start = DA8XX_AEMIF_CS3_BASE,
002cb2d2 SS	389	.end = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
733975a3 DG	390	.flags = IORESOURCE_MEM,
	391	},
	392	[1] = { /* Second memory resource is AEMIF control registers */
002cb2d2 SS	393	.start = DA8XX_AEMIF_CTL_BASE,
002cb2d2 SS	394	.end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
733975a3 DG	395	.flags = IORESOURCE_MEM,
	396	},
	397	};
	398
	399	static struct platform_device da830_evm_nand_device = {
	400	.name = "davinci_nand",
	401	.id = 1,
	402	.dev = {
	403	.platform_data = &da830_evm_nand_pdata,
	404	},
	405	.num_resources = ARRAY_SIZE(da830_evm_nand_resources),
	406	.resource = da830_evm_nand_resources,
	407	};
a0433ac3	408
77316f05	409	static inline void da830_evm_init_nand(int mux_mode)
a0433ac3 SN	410	{
	411	int ret;
	412
b5ebe4e1 SN	413	if (HAS_MMC) {
	414	pr_warning("WARNING: both MMC/SD and NAND are "
	415	"enabled, but they share AEMIF pins.\n"
	416	"\tDisable MMC/SD for NAND support.\n");
	417	return;
	418	}
	419
3821d10a	420	ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
a0433ac3 SN	421	if (ret)
	422	pr_warning("da830_evm_init: emif25 mux setup failed: %d\n",
	423	ret);
	424
	425	ret = platform_device_register(&da830_evm_nand_device);
	426	if (ret)
	427	pr_warning("da830_evm_init: NAND device not registered.\n");
77316f05 SN	428
77316f05 SN	429	gpio_direction_output(mux_mode, 1);
a0433ac3 SN	430	}
a0433ac3 SN	431	#else
77316f05	432	static inline void da830_evm_init_nand(int mux_mode) { }
733975a3 DG	433	#endif
733975a3 DG	434
a0433ac3	435	#ifdef CONFIG_DA830_UI_LCD
77316f05	436	static inline void da830_evm_init_lcdc(int mux_mode)
a0433ac3 SN	437	{
	438	int ret;
	439
3821d10a	440	ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
a0433ac3 SN	441	if (ret)
	442	pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n",
	443	ret);
	444
	445	ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
	446	if (ret)
	447	pr_warning("da830_evm_init: lcd setup failed: %d\n", ret);
77316f05 SN	448
77316f05 SN	449	gpio_direction_output(mux_mode, 0);
a0433ac3 SN	450	}
a0433ac3 SN	451	#else
77316f05	452	static inline void da830_evm_init_lcdc(int mux_mode) { }
a0433ac3	453	#endif
733975a3	454
77316f05 SN	455	static struct at24_platform_data da830_evm_i2c_eeprom_info = {
	456	.byte_len = SZ_256K / 8,
	457	.page_size = 64,
	458	.flags = AT24_FLAG_ADDR16,
	459	.setup = davinci_get_mac_addr,
	460	.context = (void *)0x7f00,
	461	};
	462
1ef203c3 SR	463	static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
1ef203c3 SR	464	int gpio, unsigned ngpio, void *context)
77316f05 SN	465	{
	466	gpio_request(gpio + 6, "UI MUX_MODE");
	467
b5ebe4e1 SN	468	/* Drive mux mode low to match the default without UI card */
	469	gpio_direction_output(gpio + 6, 0);
	470
77316f05 SN	471	da830_evm_init_lcdc(gpio + 6);
	472
	473	da830_evm_init_nand(gpio + 6);
	474
	475	return 0;
	476	}
	477
	478	static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
	479	unsigned ngpio, void *context)
	480	{
	481	gpio_free(gpio + 6);
	482	return 0;
	483	}
	484
1ef203c3	485	static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
77316f05 SN	486	.gpio_base = DAVINCI_N_GPIO,
	487	.setup = da830_evm_ui_expander_setup,
	488	.teardown = da830_evm_ui_expander_teardown,
	489	};
	490
	491	static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
	492	{
	493	I2C_BOARD_INFO("24c256", 0x50),
	494	.platform_data = &da830_evm_i2c_eeprom_info,
	495	},
	496	{
	497	I2C_BOARD_INFO("tlv320aic3x", 0x18),
	498	},
	499	{
	500	I2C_BOARD_INFO("pcf8574", 0x3f),
	501	.platform_data = &da830_evm_ui_expander_info,
	502	},
	503	};
	504
	505	static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
	506	.bus_freq = 100, /* kHz */
	507	.bus_delay = 0, /* usec */
	508	};
	509
a941c503 RS	510	/*
	511	* The following EDMA channels/slots are not being used by drivers (for
	512	* example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
	513	* they are being reserved for codecs on the DSP side.
	514	*/
	515	static const s16 da830_dma_rsv_chans[][2] = {
	516	/* (offset, number) */
	517	{ 8, 2},
	518	{12, 2},
	519	{24, 4},
	520	{30, 2},
	521	{-1, -1}
	522	};
	523
	524	static const s16 da830_dma_rsv_slots[][2] = {
	525	/* (offset, number) */
	526	{ 8, 2},
	527	{12, 2},
	528	{24, 4},
	529	{30, 26},
	530	{-1, -1}
	531	};
	532
	533	static struct edma_rsv_info da830_edma_rsv[] = {
	534	{
	535	.rsv_chans = da830_dma_rsv_chans,
	536	.rsv_slots = da830_dma_rsv_slots,
	537	},
	538	};
	539
16a3c832 SN	540	static struct mtd_partition da830evm_spiflash_part[] = {
	541	[0] = {
	542	.name = "DSP-UBL",
	543	.offset = 0,
	544	.size = SZ_8K,
	545	.mask_flags = MTD_WRITEABLE,
	546	},
	547	[1] = {
	548	.name = "ARM-UBL",
	549	.offset = MTDPART_OFS_APPEND,
	550	.size = SZ_16K + SZ_8K,
	551	.mask_flags = MTD_WRITEABLE,
	552	},
	553	[2] = {
	554	.name = "U-Boot",
	555	.offset = MTDPART_OFS_APPEND,
	556	.size = SZ_256K - SZ_32K,
	557	.mask_flags = MTD_WRITEABLE,
	558	},
	559	[3] = {
	560	.name = "U-Boot-Environment",
	561	.offset = MTDPART_OFS_APPEND,
	562	.size = SZ_16K,
	563	.mask_flags = 0,
	564	},
	565	[4] = {
	566	.name = "Kernel",
	567	.offset = MTDPART_OFS_APPEND,
	568	.size = MTDPART_SIZ_FULL,
	569	.mask_flags = 0,
	570	},
	571	};
	572
	573	static struct flash_platform_data da830evm_spiflash_data = {
	574	.name = "m25p80",
	575	.parts = da830evm_spiflash_part,
	576	.nr_parts = ARRAY_SIZE(da830evm_spiflash_part),
	577	.type = "w25x32",
	578	};
	579
	580	static struct davinci_spi_config da830evm_spiflash_cfg = {
	581	.io_type = SPI_IO_TYPE_DMA,
	582	.c2tdelay = 8,
	583	.t2cdelay = 8,
	584	};
	585
	586	static struct spi_board_info da830evm_spi_info[] = {
	587	{
	588	.modalias = "m25p80",
	589	.platform_data = &da830evm_spiflash_data,
	590	.controller_data = &da830evm_spiflash_cfg,
	591	.mode = SPI_MODE_0,
	592	.max_speed_hz = 30000000,
	593	.bus_num = 0,
	594	.chip_select = 0,
	595	},
	596	};
	597
8593790d MG	598	static __init void da830_evm_init(void)
	599	{
	600	struct davinci_soc_info *soc_info = &davinci_soc_info;
	601	int 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
	638	davinci_serial_init(&da830_evm_uart_config);
	639	i2c_register_board_info(1, da830_evm_i2c_devices,
	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