[linux-2.6-block.git] / arch / arm / mach-davinci / board-omapl138-hawk.c

/*
 * Hawkboard.org based on TI's OMAP-L138 Platform
 *
 * Initial code: Syed Mohammed Khasim
 *
 * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com
 *
 * 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/gpio.h>

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

#include <mach/cp_intc.h>
#include <mach/da8xx.h>
#include <mach/mux.h>

#define HAWKBOARD_PHY_ID		"davinci_mdio-0:07"
#define DA850_HAWK_MMCSD_CD_PIN		GPIO_TO_PIN(3, 12)
#define DA850_HAWK_MMCSD_WP_PIN		GPIO_TO_PIN(3, 13)

#define DA850_USB1_VBUS_PIN		GPIO_TO_PIN(2, 4)
#define DA850_USB1_OC_PIN		GPIO_TO_PIN(6, 13)

static short omapl138_hawk_mii_pins[] __initdata = {
	DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
	DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
	DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
	DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
	DA850_MDIO_D,
	-1
};

static __init void omapl138_hawk_config_emac(void)
{
	void __iomem *cfgchip3 = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
	int ret;
	u32 val;
	struct davinci_soc_info *soc_info = &davinci_soc_info;

	val = __raw_readl(cfgchip3);
	val &= ~BIT(8);
	ret = davinci_cfg_reg_list(omapl138_hawk_mii_pins);
	if (ret) {
		pr_warn("%s: CPGMAC/MII mux setup failed: %d\n", __func__, ret);
		return;
	}

	/* configure the CFGCHIP3 register for MII */
	__raw_writel(val, cfgchip3);
	pr_info("EMAC: MII PHY configured\n");

	soc_info->emac_pdata->phy_id = HAWKBOARD_PHY_ID;

	ret = da8xx_register_emac();
	if (ret)
		pr_warn("%s: EMAC registration failed: %d\n", __func__, ret);
}

/*
 * The following EDMA channels/slots are not being used by drivers (for
 * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM/Hawkboard,
 * hence they are being reserved for codecs on the DSP side.
 */
static const s16 da850_dma0_rsv_chans[][2] = {
	/* (offset, number) */
	{ 8,  6},
	{24,  4},
	{30,  2},
	{-1, -1}
};

static const s16 da850_dma0_rsv_slots[][2] = {
	/* (offset, number) */
	{ 8,  6},
	{24,  4},
	{30, 50},
	{-1, -1}
};

static const s16 da850_dma1_rsv_chans[][2] = {
	/* (offset, number) */
	{ 0, 28},
	{30,  2},
	{-1, -1}
};

static const s16 da850_dma1_rsv_slots[][2] = {
	/* (offset, number) */
	{ 0, 28},
	{30, 90},
	{-1, -1}
};

static struct edma_rsv_info da850_edma_cc0_rsv = {
	.rsv_chans	= da850_dma0_rsv_chans,
	.rsv_slots	= da850_dma0_rsv_slots,
};

static struct edma_rsv_info da850_edma_cc1_rsv = {
	.rsv_chans	= da850_dma1_rsv_chans,
	.rsv_slots	= da850_dma1_rsv_slots,
};

static struct edma_rsv_info *da850_edma_rsv[2] = {
	&da850_edma_cc0_rsv,
	&da850_edma_cc1_rsv,
};

static const short hawk_mmcsd0_pins[] = {
	DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
	DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
	DA850_GPIO3_12, DA850_GPIO3_13,
	-1
};

static int da850_hawk_mmc_get_ro(int index)
{
	return gpio_get_value(DA850_HAWK_MMCSD_WP_PIN);
}

static int da850_hawk_mmc_get_cd(int index)
{
	return !gpio_get_value(DA850_HAWK_MMCSD_CD_PIN);
}

static struct davinci_mmc_config da850_mmc_config = {
	.get_ro		= da850_hawk_mmc_get_ro,
	.get_cd		= da850_hawk_mmc_get_cd,
	.wires		= 4,
	.max_freq	= 50000000,
	.caps		= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
	.version	= MMC_CTLR_VERSION_2,
};

static __init void omapl138_hawk_mmc_init(void)
{
	int ret;

	ret = davinci_cfg_reg_list(hawk_mmcsd0_pins);
	if (ret) {
		pr_warn("%s: MMC/SD0 mux setup failed: %d\n", __func__, ret);
		return;
	}

	ret = gpio_request_one(DA850_HAWK_MMCSD_CD_PIN,
			GPIOF_DIR_IN, "MMC CD");
	if (ret < 0) {
		pr_warn("%s: can not open GPIO %d\n",
			__func__, DA850_HAWK_MMCSD_CD_PIN);
		return;
	}

	ret = gpio_request_one(DA850_HAWK_MMCSD_WP_PIN,
			GPIOF_DIR_IN, "MMC WP");
	if (ret < 0) {
		pr_warn("%s: can not open GPIO %d\n",
			__func__, DA850_HAWK_MMCSD_WP_PIN);
		goto mmc_setup_wp_fail;
	}

	ret = da8xx_register_mmcsd0(&da850_mmc_config);
	if (ret) {
		pr_warn("%s: MMC/SD0 registration failed: %d\n", __func__, ret);
		goto mmc_setup_mmcsd_fail;
	}

	return;

mmc_setup_mmcsd_fail:
	gpio_free(DA850_HAWK_MMCSD_WP_PIN);
mmc_setup_wp_fail:
	gpio_free(DA850_HAWK_MMCSD_CD_PIN);
}

static irqreturn_t omapl138_hawk_usb_ocic_irq(int irq, void *dev_id);
static da8xx_ocic_handler_t hawk_usb_ocic_handler;

static const short da850_hawk_usb11_pins[] = {
	DA850_GPIO2_4, DA850_GPIO6_13,
	-1
};

static int hawk_usb_set_power(unsigned port, int on)
{
	gpio_set_value(DA850_USB1_VBUS_PIN, on);
	return 0;
}

static int hawk_usb_get_power(unsigned port)
{
	return gpio_get_value(DA850_USB1_VBUS_PIN);
}

static int hawk_usb_get_oci(unsigned port)
{
	return !gpio_get_value(DA850_USB1_OC_PIN);
}

static int hawk_usb_ocic_notify(da8xx_ocic_handler_t handler)
{
	int irq         = gpio_to_irq(DA850_USB1_OC_PIN);
	int error       = 0;

	if (handler != NULL) {
		hawk_usb_ocic_handler = handler;

		error = request_irq(irq, omapl138_hawk_usb_ocic_irq,
					IRQF_DISABLED | IRQF_TRIGGER_RISING |
					IRQF_TRIGGER_FALLING,
					"OHCI over-current indicator", NULL);
		if (error)
			pr_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 omapl138_hawk_usb11_pdata = {
	.set_power      = hawk_usb_set_power,
	.get_power      = hawk_usb_get_power,
	.get_oci        = hawk_usb_get_oci,
	.ocic_notify    = hawk_usb_ocic_notify,
	/* TPS2087 switch @ 5V */
	.potpgt         = (3 + 1) / 2,  /* 3 ms max */
};

static irqreturn_t omapl138_hawk_usb_ocic_irq(int irq, void *dev_id)
{
	hawk_usb_ocic_handler(&omapl138_hawk_usb11_pdata, 1);
	return IRQ_HANDLED;
}

static __init void omapl138_hawk_usb_init(void)
{
	int ret;
	u32 cfgchip2;

	ret = davinci_cfg_reg_list(da850_hawk_usb11_pins);
	if (ret) {
		pr_warn("%s: USB 1.1 PinMux setup failed: %d\n", __func__, ret);
		return;
	}

	/* Setup the Ref. clock frequency for the HAWK at 24 MHz. */

	cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
	cfgchip2 &= ~CFGCHIP2_REFFREQ;
	cfgchip2 |=  CFGCHIP2_REFFREQ_24MHZ;
	__raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));

	ret = gpio_request_one(DA850_USB1_VBUS_PIN,
			GPIOF_DIR_OUT, "USB1 VBUS");
	if (ret < 0) {
		pr_err("%s: failed to request GPIO for USB 1.1 port "
			"power control: %d\n", __func__, ret);
		return;
	}

	ret = gpio_request_one(DA850_USB1_OC_PIN,
			GPIOF_DIR_IN, "USB1 OC");
	if (ret < 0) {
		pr_err("%s: failed to request GPIO for USB 1.1 port "
			"over-current indicator: %d\n", __func__, ret);
		goto usb11_setup_oc_fail;
	}

	ret = da8xx_register_usb11(&omapl138_hawk_usb11_pdata);
	if (ret) {
		pr_warn("%s: USB 1.1 registration failed: %d\n", __func__, ret);
		goto usb11_setup_fail;
	}

	return;

usb11_setup_fail:
	gpio_free(DA850_USB1_OC_PIN);
usb11_setup_oc_fail:
	gpio_free(DA850_USB1_VBUS_PIN);
}

static struct davinci_uart_config omapl138_hawk_uart_config __initdata = {
	.enabled_uarts = 0x7,
};

static __init void omapl138_hawk_init(void)
{
	int ret;

	davinci_serial_init(&omapl138_hawk_uart_config);

	omapl138_hawk_config_emac();

	ret = da850_register_edma(da850_edma_rsv);
	if (ret)
		pr_warn("%s: EDMA registration failed: %d\n", __func__, ret);

	omapl138_hawk_mmc_init();

	omapl138_hawk_usb_init();

	ret = da8xx_register_watchdog();
	if (ret)
		pr_warn("%s: watchdog registration failed: %d\n",
			__func__, ret);
}

#ifdef CONFIG_SERIAL_8250_CONSOLE
static int __init omapl138_hawk_console_init(void)
{
	if (!machine_is_omapl138_hawkboard())
		return 0;

	return add_preferred_console("ttyS", 2, "115200");
}
console_initcall(omapl138_hawk_console_init);
#endif

static void __init omapl138_hawk_map_io(void)
{
	da850_init();
}

MACHINE_START(OMAPL138_HAWKBOARD, "AM18x/OMAP-L138 Hawkboard")
	.atag_offset	= 0x100,
	.map_io		= omapl138_hawk_map_io,
	.init_irq	= cp_intc_init,
	.init_time	= davinci_timer_init,
	.init_machine	= omapl138_hawk_init,
	.init_late	= davinci_init_late,
	.dma_zone_size	= SZ_128M,
	.restart	= da8xx_restart,
MACHINE_END
Commit	Line	Data
6c18c91b VR	1	/*
	2	* Hawkboard.org based on TI's OMAP-L138 Platform
	3	*
	4	* Initial code: Syed Mohammed Khasim
	5	*
	6	* Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com
	7	*
	8	* This file is licensed under the terms of the GNU General Public License
	9	* version 2. This program is licensed "as is" without any warranty of
	10	* any kind, whether express or implied.
	11	*/
	12	#include <linux/kernel.h>
	13	#include <linux/init.h>
	14	#include <linux/console.h>
	15	#include <linux/gpio.h>
	16
	17	#include <asm/mach-types.h>
	18	#include <asm/mach/arch.h>
	19
	20	#include <mach/cp_intc.h>
	21	#include <mach/da8xx.h>
bb59b7fd VR	22	#include <mach/mux.h>
bb59b7fd VR	23
f6f97588	24	#define HAWKBOARD_PHY_ID "davinci_mdio-0:07"
ef782d8d VR	25	#define DA850_HAWK_MMCSD_CD_PIN GPIO_TO_PIN(3, 12)
ef782d8d VR	26	#define DA850_HAWK_MMCSD_WP_PIN GPIO_TO_PIN(3, 13)
bb59b7fd	27
f5714abb VR	28	#define DA850_USB1_VBUS_PIN GPIO_TO_PIN(2, 4)
	29	#define DA850_USB1_OC_PIN GPIO_TO_PIN(6, 13)
	30
bb59b7fd VR	31	static short omapl138_hawk_mii_pins[] __initdata = {
	32	DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
	33	DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
	34	DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
	35	DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
	36	DA850_MDIO_D,
	37	-1
	38	};
	39
	40	static __init void omapl138_hawk_config_emac(void)
	41	{
	42	void __iomem *cfgchip3 = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
	43	int ret;
	44	u32 val;
	45	struct davinci_soc_info *soc_info = &davinci_soc_info;
	46
	47	val = __raw_readl(cfgchip3);
	48	val &= ~BIT(8);
	49	ret = davinci_cfg_reg_list(omapl138_hawk_mii_pins);
	50	if (ret) {
6c7c23cc	51	pr_warn("%s: CPGMAC/MII mux setup failed: %d\n", __func__, ret);
bb59b7fd VR	52	return;
	53	}
	54
	55	/* configure the CFGCHIP3 register for MII */
	56	__raw_writel(val, cfgchip3);
	57	pr_info("EMAC: MII PHY configured\n");
	58
	59	soc_info->emac_pdata->phy_id = HAWKBOARD_PHY_ID;
	60
	61	ret = da8xx_register_emac();
	62	if (ret)
6c7c23cc	63	pr_warn("%s: EMAC registration failed: %d\n", __func__, ret);
bb59b7fd VR	64	}
bb59b7fd VR	65
5f72f380 VR	66	/*
	67	* The following EDMA channels/slots are not being used by drivers (for
	68	* example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM/Hawkboard,
	69	* hence they are being reserved for codecs on the DSP side.
	70	*/
	71	static const s16 da850_dma0_rsv_chans[][2] = {
	72	/* (offset, number) */
	73	{ 8, 6},
	74	{24, 4},
	75	{30, 2},
	76	{-1, -1}
	77	};
	78
	79	static const s16 da850_dma0_rsv_slots[][2] = {
	80	/* (offset, number) */
	81	{ 8, 6},
	82	{24, 4},
	83	{30, 50},
	84	{-1, -1}
	85	};
	86
	87	static const s16 da850_dma1_rsv_chans[][2] = {
	88	/* (offset, number) */
	89	{ 0, 28},
	90	{30, 2},
	91	{-1, -1}
	92	};
	93
	94	static const s16 da850_dma1_rsv_slots[][2] = {
	95	/* (offset, number) */
	96	{ 0, 28},
	97	{30, 90},
	98	{-1, -1}
	99	};
	100
	101	static struct edma_rsv_info da850_edma_cc0_rsv = {
	102	.rsv_chans = da850_dma0_rsv_chans,
	103	.rsv_slots = da850_dma0_rsv_slots,
	104	};
	105
	106	static struct edma_rsv_info da850_edma_cc1_rsv = {
	107	.rsv_chans = da850_dma1_rsv_chans,
	108	.rsv_slots = da850_dma1_rsv_slots,
	109	};
	110
	111	static struct edma_rsv_info *da850_edma_rsv[2] = {
	112	&da850_edma_cc0_rsv,
	113	&da850_edma_cc1_rsv,
	114	};
6c18c91b	115
ef782d8d VR	116	static const short hawk_mmcsd0_pins[] = {
	117	DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
	118	DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
	119	DA850_GPIO3_12, DA850_GPIO3_13,
	120	-1
	121	};
	122
	123	static int da850_hawk_mmc_get_ro(int index)
	124	{
	125	return gpio_get_value(DA850_HAWK_MMCSD_WP_PIN);
	126	}
	127
	128	static int da850_hawk_mmc_get_cd(int index)
	129	{
	130	return !gpio_get_value(DA850_HAWK_MMCSD_CD_PIN);
	131	}
	132
	133	static struct davinci_mmc_config da850_mmc_config = {
	134	.get_ro = da850_hawk_mmc_get_ro,
	135	.get_cd = da850_hawk_mmc_get_cd,
	136	.wires = 4,
	137	.max_freq = 50000000,
	138	.caps = MMC_CAP_MMC_HIGHSPEED \| MMC_CAP_SD_HIGHSPEED,
	139	.version = MMC_CTLR_VERSION_2,
	140	};
	141
	142	static __init void omapl138_hawk_mmc_init(void)
	143	{
	144	int ret;
	145
	146	ret = davinci_cfg_reg_list(hawk_mmcsd0_pins);
	147	if (ret) {
6c7c23cc	148	pr_warn("%s: MMC/SD0 mux setup failed: %d\n", __func__, ret);
ef782d8d VR	149	return;
	150	}
	151
	152	ret = gpio_request_one(DA850_HAWK_MMCSD_CD_PIN,
	153	GPIOF_DIR_IN, "MMC CD");
	154	if (ret < 0) {
6c7c23cc	155	pr_warn("%s: can not open GPIO %d\n",
ef782d8d VR	156	__func__, DA850_HAWK_MMCSD_CD_PIN);
	157	return;
	158	}
	159
	160	ret = gpio_request_one(DA850_HAWK_MMCSD_WP_PIN,
	161	GPIOF_DIR_IN, "MMC WP");
	162	if (ret < 0) {
6c7c23cc	163	pr_warn("%s: can not open GPIO %d\n",
ef782d8d VR	164	__func__, DA850_HAWK_MMCSD_WP_PIN);
	165	goto mmc_setup_wp_fail;
	166	}
	167
	168	ret = da8xx_register_mmcsd0(&da850_mmc_config);
	169	if (ret) {
6c7c23cc	170	pr_warn("%s: MMC/SD0 registration failed: %d\n", __func__, ret);
ef782d8d VR	171	goto mmc_setup_mmcsd_fail;
	172	}
	173
	174	return;
	175
	176	mmc_setup_mmcsd_fail:
	177	gpio_free(DA850_HAWK_MMCSD_WP_PIN);
	178	mmc_setup_wp_fail:
	179	gpio_free(DA850_HAWK_MMCSD_CD_PIN);
	180	}
	181
f5714abb VR	182	static irqreturn_t omapl138_hawk_usb_ocic_irq(int irq, void *dev_id);
	183	static da8xx_ocic_handler_t hawk_usb_ocic_handler;
	184
	185	static const short da850_hawk_usb11_pins[] = {
	186	DA850_GPIO2_4, DA850_GPIO6_13,
	187	-1
	188	};
	189
	190	static int hawk_usb_set_power(unsigned port, int on)
	191	{
	192	gpio_set_value(DA850_USB1_VBUS_PIN, on);
	193	return 0;
	194	}
	195
	196	static int hawk_usb_get_power(unsigned port)
	197	{
	198	return gpio_get_value(DA850_USB1_VBUS_PIN);
	199	}
	200
	201	static int hawk_usb_get_oci(unsigned port)
	202	{
	203	return !gpio_get_value(DA850_USB1_OC_PIN);
	204	}
	205
	206	static int hawk_usb_ocic_notify(da8xx_ocic_handler_t handler)
	207	{
	208	int irq = gpio_to_irq(DA850_USB1_OC_PIN);
	209	int error = 0;
	210
	211	if (handler != NULL) {
	212	hawk_usb_ocic_handler = handler;
	213
	214	error = request_irq(irq, omapl138_hawk_usb_ocic_irq,
	215	IRQF_DISABLED \| IRQF_TRIGGER_RISING \|
	216	IRQF_TRIGGER_FALLING,
	217	"OHCI over-current indicator", NULL);
	218	if (error)
	219	pr_err("%s: could not request IRQ to watch "
	220	"over-current indicator changes\n", __func__);
	221	} else {
	222	free_irq(irq, NULL);
	223	}
	224	return error;
	225	}
	226
	227	static struct da8xx_ohci_root_hub omapl138_hawk_usb11_pdata = {
	228	.set_power = hawk_usb_set_power,
	229	.get_power = hawk_usb_get_power,
	230	.get_oci = hawk_usb_get_oci,
	231	.ocic_notify = hawk_usb_ocic_notify,
	232	/* TPS2087 switch @ 5V */
	233	.potpgt = (3 + 1) / 2, /* 3 ms max */
	234	};
	235
	236	static irqreturn_t omapl138_hawk_usb_ocic_irq(int irq, void *dev_id)
	237	{
	238	hawk_usb_ocic_handler(&omapl138_hawk_usb11_pdata, 1);
	239	return IRQ_HANDLED;
	240	}
	241
	242	static __init void omapl138_hawk_usb_init(void)
	243	{
	244	int ret;
	245	u32 cfgchip2;
246
247	ret = davinci_cfg_reg_list(da850_hawk_usb11_pins);
248	if (ret) {
6c7c23cc	249	pr_warn("%s: USB 1.1 PinMux setup failed: %d\n", __func__, ret);
f5714abb VR	250	return;
	251	}
	252
	253	/* Setup the Ref. clock frequency for the HAWK at 24 MHz. */
	254
	255	cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
	256	cfgchip2 &= ~CFGCHIP2_REFFREQ;
	257	cfgchip2 \|= CFGCHIP2_REFFREQ_24MHZ;
	258	__raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
	259
	260	ret = gpio_request_one(DA850_USB1_VBUS_PIN,
	261	GPIOF_DIR_OUT, "USB1 VBUS");
	262	if (ret < 0) {
	263	pr_err("%s: failed to request GPIO for USB 1.1 port "
	264	"power control: %d\n", __func__, ret);
	265	return;
	266	}
	267
	268	ret = gpio_request_one(DA850_USB1_OC_PIN,
	269	GPIOF_DIR_IN, "USB1 OC");
	270	if (ret < 0) {
	271	pr_err("%s: failed to request GPIO for USB 1.1 port "
	272	"over-current indicator: %d\n", __func__, ret);
	273	goto usb11_setup_oc_fail;
	274	}
	275
	276	ret = da8xx_register_usb11(&omapl138_hawk_usb11_pdata);
	277	if (ret) {
6c7c23cc	278	pr_warn("%s: USB 1.1 registration failed: %d\n", __func__, ret);
f5714abb VR	279	goto usb11_setup_fail;
	280	}
	281
	282	return;
	283
	284	usb11_setup_fail:
	285	gpio_free(DA850_USB1_OC_PIN);
	286	usb11_setup_oc_fail:
	287	gpio_free(DA850_USB1_VBUS_PIN);
	288	}
	289
6c18c91b VR	290	static struct davinci_uart_config omapl138_hawk_uart_config __initdata = {
	291	.enabled_uarts = 0x7,
	292	};
	293
	294	static __init void omapl138_hawk_init(void)
	295	{
	296	int ret;
	297
	298	davinci_serial_init(&omapl138_hawk_uart_config);
	299
bb59b7fd VR	300	omapl138_hawk_config_emac();
bb59b7fd VR	301
5f72f380 VR	302	ret = da850_register_edma(da850_edma_rsv);
5f72f380 VR	303	if (ret)
6c7c23cc	304	pr_warn("%s: EDMA registration failed: %d\n", __func__, ret);
5f72f380	305
ef782d8d VR	306	omapl138_hawk_mmc_init();
ef782d8d VR	307
f5714abb VR	308	omapl138_hawk_usb_init();
f5714abb VR	309
6c18c91b VR	310	ret = da8xx_register_watchdog();
6c18c91b VR	311	if (ret)
6c7c23cc RT	312	pr_warn("%s: watchdog registration failed: %d\n",
6c7c23cc RT	313	__func__, ret);
6c18c91b VR	314	}
	315
	316	#ifdef CONFIG_SERIAL_8250_CONSOLE
	317	static int __init omapl138_hawk_console_init(void)
	318	{
	319	if (!machine_is_omapl138_hawkboard())
	320	return 0;
	321
	322	return add_preferred_console("ttyS", 2, "115200");
	323	}
	324	console_initcall(omapl138_hawk_console_init);
	325	#endif
	326
	327	static void __init omapl138_hawk_map_io(void)
	328	{
	329	da850_init();
	330	}
	331
	332	MACHINE_START(OMAPL138_HAWKBOARD, "AM18x/OMAP-L138 Hawkboard")
e7e56014	333	.atag_offset = 0x100,
6c18c91b VR	334	.map_io = omapl138_hawk_map_io,
6c18c91b VR	335	.init_irq = cp_intc_init,
6bb27d73	336	.init_time = davinci_timer_init,
6c18c91b	337	.init_machine = omapl138_hawk_init,
3aa3e840	338	.init_late = davinci_init_late,
f68deabf	339	.dma_zone_size = SZ_128M,
c6121ddd	340	.restart = da8xx_restart,
6c18c91b	341	MACHINE_END