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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/arm/mach-omap2/board-am3517crane.c
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/*

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 * Support for AM3517/05 Craneboard

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 * http://www.mistralsolutions.com/products/craneboard.php

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 *

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 * Copyright (C) 2010 Mistral Solutions Pvt Ltd. <www.mistralsolutions.com>

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 * Author: R.Srinath <[email protected]>

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 *

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 * Based on mach-omap2/board-am3517evm.c

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 *

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 * This program is free software; you can redistribute it and/or modify it

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 * under the terms of the GNU General Public License as  published by the

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 * Free Software Foundation version 2.

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 *

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 * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,

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 * whether express or implied; without even the implied warranty of

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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

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 * General Public License for more details.

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 */

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#include <linux/kernel.h>

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#include <linux/init.h>

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#include <linux/gpio.h>

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#include <mach/hardware.h>

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#include <asm/mach-types.h>

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#include <asm/mach/arch.h>

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#include <asm/mach/map.h>

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#include <plat/board.h>

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#include <plat/common.h>

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#include <plat/usb.h>

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#include "mux.h"

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#include "control.h"

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#define GPIO_USB_POWER		35

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#define GPIO_USB_NRESET		38

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/* Board initialization */

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static struct omap_board_config_kernel am3517_crane_config[] __initdata = {

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};

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#ifdef CONFIG_OMAP_MUX

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static struct omap_board_mux board_mux[] __initdata = {

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	{ .reg_offset = OMAP_MUX_TERMINATOR },

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};

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#else

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#define board_mux	NULL

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#endif

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static void __init am3517_crane_init_early(void)

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{

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	omap2_init_common_infrastructure();

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	omap2_init_common_devices(NULL, NULL);

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}

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static struct usbhs_omap_board_data usbhs_bdata __initdata = {

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	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,

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	.port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,

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	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,

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	.phy_reset  = true,

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	.reset_gpio_port[0]  = GPIO_USB_NRESET,

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	.reset_gpio_port[1]  = -EINVAL,

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	.reset_gpio_port[2]  = -EINVAL

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};

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static void __init am3517_crane_init(void)

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{

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	int ret;

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	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);

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	omap_serial_init();

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	omap_board_config = am3517_crane_config;

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	omap_board_config_size = ARRAY_SIZE(am3517_crane_config);

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	/* Configure GPIO for EHCI port */

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	if (omap_mux_init_gpio(GPIO_USB_NRESET, OMAP_PIN_OUTPUT)) {

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		pr_err("Can not configure mux for GPIO_USB_NRESET %d\n",

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			GPIO_USB_NRESET);

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		return;

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	}

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	if (omap_mux_init_gpio(GPIO_USB_POWER, OMAP_PIN_OUTPUT)) {

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		pr_err("Can not configure mux for GPIO_USB_POWER %d\n",

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			GPIO_USB_POWER);

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		return;

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	}

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	ret = gpio_request_one(GPIO_USB_POWER, GPIOF_OUT_INIT_HIGH,

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			       "usb_ehci_enable");

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	if (ret < 0) {

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		pr_err("Can not request GPIO %d\n", GPIO_USB_POWER);

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		return;

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	}

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	usbhs_init(&usbhs_bdata);

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}

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MACHINE_START(CRANEBOARD, "AM3517/05 CRANEBOARD")

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	.boot_params	= 0x80000100,

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	.reserve	= omap_reserve,

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	.map_io		= omap3_map_io,

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	.init_early	= am3517_crane_init_early,

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	.init_irq	= omap_init_irq,

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	.init_machine	= am3517_crane_init,

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	.timer		= &omap_timer,

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MACHINE_END

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