blob: 1b825a00c5b09a97d13accd4776e6d7e7e323a5c [file] [log] [blame]
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};
48#else
49#define board_mux NULL
50#endif
51
52static void __init am3517_crane_init_irq(void)
53{
54 omap_board_config = am3517_crane_config;
55 omap_board_config_size = ARRAY_SIZE(am3517_crane_config);
56
Paul Walmsley48057342010-12-21 15:25:10 -070057 omap2_init_common_infrastructure();
58 omap2_init_common_devices(NULL, NULL);
Srinath1cb125c2010-11-16 14:26:58 -080059 omap_init_irq();
Srinath1cb125c2010-11-16 14:26:58 -080060}
61
Keshava Munegowda181b2502011-03-01 20:08:16 +053062static struct usbhs_omap_board_data usbhs_bdata __initdata = {
63 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
64 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
65 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
Srinath840b9292010-12-23 12:17:48 -080066
67 .phy_reset = true,
68 .reset_gpio_port[0] = GPIO_USB_NRESET,
69 .reset_gpio_port[1] = -EINVAL,
70 .reset_gpio_port[2] = -EINVAL
71};
72
Srinath1cb125c2010-11-16 14:26:58 -080073static void __init am3517_crane_init(void)
74{
Srinath840b9292010-12-23 12:17:48 -080075 int ret;
76
Srinath1cb125c2010-11-16 14:26:58 -080077 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
78 omap_serial_init();
Srinath840b9292010-12-23 12:17:48 -080079
80 /* Configure GPIO for EHCI port */
81 if (omap_mux_init_gpio(GPIO_USB_NRESET, OMAP_PIN_OUTPUT)) {
82 pr_err("Can not configure mux for GPIO_USB_NRESET %d\n",
83 GPIO_USB_NRESET);
84 return;
85 }
86
87 if (omap_mux_init_gpio(GPIO_USB_POWER, OMAP_PIN_OUTPUT)) {
88 pr_err("Can not configure mux for GPIO_USB_POWER %d\n",
89 GPIO_USB_POWER);
90 return;
91 }
92
93 ret = gpio_request(GPIO_USB_POWER, "usb_ehci_enable");
94 if (ret < 0) {
95 pr_err("Can not request GPIO %d\n", GPIO_USB_POWER);
96 return;
97 }
98
99 ret = gpio_direction_output(GPIO_USB_POWER, 1);
100 if (ret < 0) {
101 gpio_free(GPIO_USB_POWER);
102 pr_err("Unable to initialize EHCI power\n");
103 return;
104 }
105
Keshava Munegowda181b2502011-03-01 20:08:16 +0530106 usb_ehci_init(&usbhs_bdata);
Srinath1cb125c2010-11-16 14:26:58 -0800107}
108
109MACHINE_START(CRANEBOARD, "AM3517/05 CRANEBOARD")
110 .boot_params = 0x80000100,
111 .map_io = omap3_map_io,
112 .reserve = omap_reserve,
113 .init_irq = am3517_crane_init_irq,
114 .init_machine = am3517_crane_init,
115 .timer = &omap_timer,
116MACHINE_END