181b250cf5
Create the ehci and ohci specific platform data structures. The port enum values are made common for both ehci and ohci. Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
117 lines
2.9 KiB
C
117 lines
2.9 KiB
C
/*
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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 <srinath@mistralsolutions.com>
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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_irq(void)
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{
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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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omap2_init_common_infrastructure();
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omap2_init_common_devices(NULL, NULL);
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omap_init_irq();
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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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/* 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(GPIO_USB_POWER, "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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ret = gpio_direction_output(GPIO_USB_POWER, 1);
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if (ret < 0) {
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gpio_free(GPIO_USB_POWER);
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pr_err("Unable to initialize EHCI power\n");
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return;
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}
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usb_ehci_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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.map_io = omap3_map_io,
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.reserve = omap_reserve,
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.init_irq = am3517_crane_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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