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Srinath1cb125c2010-11-16 14:26:58 -08001/*
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>
Srinath840b9292010-12-23 12:17:48 -080022#include <linux/gpio.h>
Srinath1cb125c2010-11-16 14:26:58 -080023
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>
Srinath840b9292010-12-23 12:17:48 -080031#include <plat/usb.h>
Srinath1cb125c2010-11-16 14:26:58 -080032
33#include "mux.h"
Srinath840b9292010-12-23 12:17:48 -080034#include "control.h"
35
36#define GPIO_USB_POWER 35
37#define GPIO_USB_NRESET 38
38
Srinath1cb125c2010-11-16 14:26:58 -080039
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};
Srinath1cb125c2010-11-16 14:26:58 -080048#endif
49
Keshava Munegowda181b2502011-03-01 20:08:16 +053050static struct usbhs_omap_board_data usbhs_bdata __initdata = {
51 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
52 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
53 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
Srinath840b9292010-12-23 12:17:48 -080054
55 .phy_reset = true,
56 .reset_gpio_port[0] = GPIO_USB_NRESET,
57 .reset_gpio_port[1] = -EINVAL,
58 .reset_gpio_port[2] = -EINVAL
59};
60
Srinath1cb125c2010-11-16 14:26:58 -080061static void __init am3517_crane_init(void)
62{
Srinath840b9292010-12-23 12:17:48 -080063 int ret;
64
Srinath1cb125c2010-11-16 14:26:58 -080065 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
66 omap_serial_init();
Tony Lindgrena4ca9db2011-08-22 23:57:23 -070067 omap_sdrc_init(NULL, NULL);
Srinath840b9292010-12-23 12:17:48 -080068
Tony Lindgrene41cccf2011-02-24 14:36:03 -080069 omap_board_config = am3517_crane_config;
70 omap_board_config_size = ARRAY_SIZE(am3517_crane_config);
71
Srinath840b9292010-12-23 12:17:48 -080072 /* Configure GPIO for EHCI port */
73 if (omap_mux_init_gpio(GPIO_USB_NRESET, OMAP_PIN_OUTPUT)) {
74 pr_err("Can not configure mux for GPIO_USB_NRESET %d\n",
75 GPIO_USB_NRESET);
76 return;
77 }
78
79 if (omap_mux_init_gpio(GPIO_USB_POWER, OMAP_PIN_OUTPUT)) {
80 pr_err("Can not configure mux for GPIO_USB_POWER %d\n",
81 GPIO_USB_POWER);
82 return;
83 }
84
Igor Grinbergbc593f52011-05-03 18:22:09 +030085 ret = gpio_request_one(GPIO_USB_POWER, GPIOF_OUT_INIT_HIGH,
86 "usb_ehci_enable");
Srinath840b9292010-12-23 12:17:48 -080087 if (ret < 0) {
88 pr_err("Can not request GPIO %d\n", GPIO_USB_POWER);
89 return;
90 }
91
Keshava Munegowda9e64bb12011-03-01 20:08:19 +053092 usbhs_init(&usbhs_bdata);
Srinath1cb125c2010-11-16 14:26:58 -080093}
94
95MACHINE_START(CRANEBOARD, "AM3517/05 CRANEBOARD")
Nicolas Pitre5e52b432011-07-05 22:38:15 -040096 .atag_offset = 0x100,
Srinath1cb125c2010-11-16 14:26:58 -080097 .reserve = omap_reserve,
Russell King - ARM Linux3dc3bad2011-02-14 15:40:20 -080098 .map_io = omap3_map_io,
Tony Lindgren8f5b5a42011-08-22 23:57:24 -070099 .init_early = am35xx_init_early,
Tony Lindgren741e3a82011-05-17 03:51:26 -0700100 .init_irq = omap3_init_irq,
Srinath1cb125c2010-11-16 14:26:58 -0800101 .init_machine = am3517_crane_init,
Tony Lindgrene74984e2011-03-29 15:54:48 -0700102 .timer = &omap3_timer,
Srinath1cb125c2010-11-16 14:26:58 -0800103MACHINE_END