2 * am3517evm.c - board file for TI's AM3517 family of devices.
4 * Author: Vaibhav Hiremath <hvaibhav@ti.com>
6 * Based on ti/evm/evm.c
9 * Texas Instruments Incorporated - http://www.ti.com/
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #include <asm/omap_musb.h>
29 #include <asm/arch/am35x_def.h>
30 #include <asm/arch/mem.h>
31 #include <asm/arch/mux.h>
32 #include <asm/arch/sys_proto.h>
33 #include <asm/arch/mmc_host_def.h>
34 #include <asm/arch/musb.h>
35 #include <asm/mach-types.h>
36 #include <asm/errno.h>
37 #include <linux/usb/ch9.h>
38 #include <linux/usb/gadget.h>
39 #include <linux/usb/musb.h>
42 #include "am3517evm.h"
44 DECLARE_GLOBAL_DATA_PTR;
48 * Description: Early hardware init.
52 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
53 /* board id for Linux */
54 gd->bd->bi_arch_number = MACH_TYPE_OMAP3517EVM;
56 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
61 #ifdef CONFIG_USB_MUSB_AM35X
62 static struct musb_hdrc_config musb_config = {
69 static struct omap_musb_board_data musb_board_data = {
70 .set_phy_power = am35x_musb_phy_power,
71 .clear_irq = am35x_musb_clear_irq,
72 .reset = am35x_musb_reset,
75 static struct musb_hdrc_platform_data musb_plat = {
76 #if defined(CONFIG_MUSB_HOST)
78 #elif defined(CONFIG_MUSB_GADGET)
79 .mode = MUSB_PERIPHERAL,
81 #error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET"
83 .config = &musb_config,
85 .platform_ops = &am35x_ops,
86 .board_data = &musb_board_data,
89 static void am3517_evm_musb_init(void)
92 * Set up USB clock/mode in the DEVCONF2 register.
93 * USB2.0 PHY reference clock is 13 MHz
95 clrsetbits_le32(&am35x_scm_general_regs->devconf2,
96 CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE,
97 CONF2_REFFREQ_13MHZ | CONF2_SESENDEN |
98 CONF2_VBDTCTEN | CONF2_DATPOL);
100 musb_register(&musb_plat, &musb_board_data,
101 (void *)AM35XX_IPSS_USBOTGSS_BASE);
104 #define am3517_evm_musb_init() do {} while (0)
108 * Routine: misc_init_r
109 * Description: Init i2c, ethernet, etc... (done here so udelay works)
111 int misc_init_r(void)
113 #ifdef CONFIG_DRIVER_OMAP34XX_I2C
114 i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
119 am3517_evm_musb_init();
125 * Routine: set_muxconf_regs
126 * Description: Setting up the configuration Mux registers specific to the
127 * hardware. Many pins need to be moved from protect to primary
130 void set_muxconf_regs(void)
135 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
136 int board_mmc_init(bd_t *bis)
138 omap_mmc_init(0, 0, 0);
143 #if defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)
144 int board_eth_init(bd_t *bis)
148 rv = cpu_eth_init(bis);
152 rv = usb_eth_initialize(bis);