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1cb125ca S |
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> | |
840b9296 | 22 | #include <linux/gpio.h> |
1cb125ca S |
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> | |
840b9296 | 31 | #include <plat/usb.h> |
1cb125ca S |
32 | |
33 | #include "mux.h" | |
840b9296 S |
34 | #include "control.h" |
35 | ||
36 | #define GPIO_USB_POWER 35 | |
37 | #define GPIO_USB_NRESET 38 | |
38 | ||
1cb125ca S |
39 | |
40 | /* Board initialization */ | |
41 | static struct omap_board_config_kernel am3517_crane_config[] __initdata = { | |
42 | }; | |
43 | ||
44 | #ifdef CONFIG_OMAP_MUX | |
45 | static struct omap_board_mux board_mux[] __initdata = { | |
46 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
47 | }; | |
48 | #else | |
49 | #define board_mux NULL | |
50 | #endif | |
51 | ||
52 | static 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 | ||
4805734b PW |
57 | omap2_init_common_infrastructure(); |
58 | omap2_init_common_devices(NULL, NULL); | |
1cb125ca | 59 | omap_init_irq(); |
1cb125ca S |
60 | } |
61 | ||
181b250c KM |
62 | static 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, | |
840b9296 S |
66 | |
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 | ||
1cb125ca S |
73 | static void __init am3517_crane_init(void) |
74 | { | |
840b9296 S |
75 | int ret; |
76 | ||
1cb125ca S |
77 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
78 | omap_serial_init(); | |
840b9296 S |
79 | |
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 | ||
181b250c | 106 | usb_ehci_init(&usbhs_bdata); |
1cb125ca S |
107 | } |
108 | ||
109 | MACHINE_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, | |
116 | MACHINE_END |