xref: /openbmc/u-boot/board/htkw/mcx/mcx.c (revision 2a57e7ec)
1 /*
2  * Copyright (C) 2011 Ilya Yanok, Emcraft Systems
3  *
4  * Based on ti/evm/evm.c
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc.
19  */
20 
21 #include <common.h>
22 #include <asm/io.h>
23 #include <asm/arch/mem.h>
24 #include <asm/arch/mmc_host_def.h>
25 #include <asm/arch/mux.h>
26 #include <asm/arch/sys_proto.h>
27 #include <asm/mach-types.h>
28 #include <asm/gpio.h>
29 #include <asm/omap_gpio.h>
30 #include "errno.h"
31 #include <i2c.h>
32 #ifdef CONFIG_USB_EHCI
33 #include <usb.h>
34 #include <asm/ehci-omap.h>
35 #endif
36 #include "mcx.h"
37 
38 DECLARE_GLOBAL_DATA_PTR;
39 
40 #ifdef CONFIG_USB_EHCI
41 static struct omap_usbhs_board_data usbhs_bdata = {
42 	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
43 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
44 	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
45 };
46 
47 int ehci_hcd_init(void)
48 {
49 	return omap_ehci_hcd_init(&usbhs_bdata);
50 }
51 
52 int ehci_hcd_stop(void)
53 {
54 	return omap_ehci_hcd_stop();
55 }
56 #endif
57 
58 /*
59  * Routine: board_init
60  * Description: Early hardware init.
61  */
62 int board_init(void)
63 {
64 	gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
65 	/* boot param addr */
66 	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
67 
68 	return 0;
69 }
70 
71 /*
72  * Routine: set_muxconf_regs
73  * Description: Setting up the configuration Mux registers specific to the
74  *		hardware. Many pins need to be moved from protect to primary
75  *		mode.
76  */
77 void set_muxconf_regs(void)
78 {
79 	MUX_MCX();
80 }
81 
82 #if defined(CONFIG_OMAP_HSMMC) && !defined(CONFIG_SPL_BUILD)
83 int board_mmc_init(bd_t *bis)
84 {
85 	return omap_mmc_init(0, 0, 0);
86 }
87 #endif
88 
89 #ifdef CONFIG_USB_EHCI_OMAP
90 #define USB_HOST_PWR_EN		132
91 int board_usb_init(void)
92 {
93 	if (gpio_request(USB_HOST_PWR_EN, "USB_HOST_PWR_EN") < 0) {
94 		puts("Failed to get USB_HOST_PWR_EN pin\n");
95 		return -ENODEV;
96 	}
97 	gpio_direction_output(USB_HOST_PWR_EN, 1);
98 
99 	return 0;
100 }
101 #endif
102