1/*
  2 * Support for AM3517/05 Craneboard
  3 * http://www.mistralsolutions.com/products/craneboard.php
  4 *
  5 * Copyright (C) 2010 Mistral Solutions Pvt Ltd. <www.mistralsolutions.com>
  6 * Author: R.Srinath <srinath@mistralsolutions.com>
  7 *
  8 * Based on mach-omap2/board-am3517evm.c
  9 *
 10 * This program is free software; you can redistribute it and/or modify it
 11 * under the terms of the GNU General Public License as  published by the
 12 * Free Software Foundation version 2.
 13 *
 14 * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
 15 * whether express or implied; without even the implied warranty of
 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 17 * General Public License for more details.
 18 */
 19
 20#include <linux/kernel.h>
 21#include <linux/init.h>
 22#include <linux/gpio.h>
 23
 24#include <mach/hardware.h>
 25#include <asm/mach-types.h>
 26#include <asm/mach/arch.h>
 27#include <asm/mach/map.h>
 28
 29#include <plat/board.h>
 30#include <plat/common.h>
 31#include <plat/usb.h>
 32
 33#include "mux.h"
 34#include "control.h"
 35
 36#define GPIO_USB_POWER		35
 37#define GPIO_USB_NRESET		38
 38
 39
 40/* Board initialization */
 41static struct omap_board_config_kernel am3517_crane_config[] __initdata = {
 42};
 43
 44#ifdef CONFIG_OMAP_MUX
 45static struct omap_board_mux board_mux[] __initdata = {
 46	{ .reg_offset = OMAP_MUX_TERMINATOR },
 47};
 48#endif
 49
 50static void __init am3517_crane_init_early(void)
 51{
 52	omap2_init_common_infrastructure();
 53	omap2_init_common_devices(NULL, NULL);
 54}
 55
 56static struct usbhs_omap_board_data usbhs_bdata __initdata = {
 57	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 58	.port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
 59	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 60
 61	.phy_reset  = true,
 62	.reset_gpio_port[0]  = GPIO_USB_NRESET,
 63	.reset_gpio_port[1]  = -EINVAL,
 64	.reset_gpio_port[2]  = -EINVAL
 65};
 66
 67static void __init am3517_crane_init(void)
 68{
 69	int ret;
 70
 71	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 72	omap_serial_init();
 73
 74	omap_board_config = am3517_crane_config;
 75	omap_board_config_size = ARRAY_SIZE(am3517_crane_config);
 76
 77	/* Configure GPIO for EHCI port */
 78	if (omap_mux_init_gpio(GPIO_USB_NRESET, OMAP_PIN_OUTPUT)) {
 79		pr_err("Can not configure mux for GPIO_USB_NRESET %d\n",
 80			GPIO_USB_NRESET);
 81		return;
 82	}
 83
 84	if (omap_mux_init_gpio(GPIO_USB_POWER, OMAP_PIN_OUTPUT)) {
 85		pr_err("Can not configure mux for GPIO_USB_POWER %d\n",
 86			GPIO_USB_POWER);
 87		return;
 88	}
 89
 90	ret = gpio_request_one(GPIO_USB_POWER, GPIOF_OUT_INIT_HIGH,
 91			       "usb_ehci_enable");
 92	if (ret < 0) {
 93		pr_err("Can not request GPIO %d\n", GPIO_USB_POWER);
 94		return;
 95	}
 96
 97	usbhs_init(&usbhs_bdata);
 98}
 99
100MACHINE_START(CRANEBOARD, "AM3517/05 CRANEBOARD")
101	.boot_params	= 0x80000100,
102	.reserve	= omap_reserve,
103	.map_io		= omap3_map_io,
104	.init_early	= am3517_crane_init_early,
105	.init_irq	= omap3_init_irq,
106	.init_machine	= am3517_crane_init,
107	.timer		= &omap3_timer,
108MACHINE_END