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 * SPDX-License-Identifier: GPL-2.0+
16 #include <asm/omap_musb.h>
17 #include <asm/arch/am35x_def.h>
18 #include <asm/arch/mem.h>
19 #include <asm/arch/mux.h>
20 #include <asm/arch/sys_proto.h>
21 #include <asm/arch/mmc_host_def.h>
22 #include <asm/arch/musb.h>
23 #include <asm/mach-types.h>
24 #include <asm/errno.h>
25 #include <linux/usb/ch9.h>
26 #include <linux/usb/gadget.h>
27 #include <linux/usb/musb.h>
30 #include "am3517evm.h"
32 DECLARE_GLOBAL_DATA_PTR
;
36 * Description: Early hardware init.
40 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
41 /* board id for Linux */
42 gd
->bd
->bi_arch_number
= MACH_TYPE_OMAP3517EVM
;
44 gd
->bd
->bi_boot_params
= (OMAP34XX_SDRC_CS0
+ 0x100);
49 #ifdef CONFIG_USB_MUSB_AM35X
50 static struct musb_hdrc_config musb_config
= {
57 static struct omap_musb_board_data musb_board_data
= {
58 .set_phy_power
= am35x_musb_phy_power
,
59 .clear_irq
= am35x_musb_clear_irq
,
60 .reset
= am35x_musb_reset
,
63 static struct musb_hdrc_platform_data musb_plat
= {
64 #if defined(CONFIG_MUSB_HOST)
66 #elif defined(CONFIG_MUSB_GADGET)
67 .mode
= MUSB_PERIPHERAL
,
69 #error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET"
71 .config
= &musb_config
,
73 .platform_ops
= &am35x_ops
,
74 .board_data
= &musb_board_data
,
77 static void am3517_evm_musb_init(void)
80 * Set up USB clock/mode in the DEVCONF2 register.
81 * USB2.0 PHY reference clock is 13 MHz
83 clrsetbits_le32(&am35x_scm_general_regs
->devconf2
,
84 CONF2_REFFREQ
| CONF2_OTGMODE
| CONF2_PHY_GPIOMODE
,
85 CONF2_REFFREQ_13MHZ
| CONF2_SESENDEN
|
86 CONF2_VBDTCTEN
| CONF2_DATPOL
);
88 musb_register(&musb_plat
, &musb_board_data
,
89 (void *)AM35XX_IPSS_USBOTGSS_BASE
);
92 #define am3517_evm_musb_init() do {} while (0)
96 * Routine: misc_init_r
97 * Description: Init i2c, ethernet, etc... (done here so udelay works)
101 #ifdef CONFIG_DRIVER_OMAP34XX_I2C
102 i2c_init(CONFIG_SYS_I2C_SPEED
, CONFIG_SYS_I2C_SLAVE
);
107 am3517_evm_musb_init();
113 * Routine: set_muxconf_regs
114 * Description: Setting up the configuration Mux registers specific to the
115 * hardware. Many pins need to be moved from protect to primary
118 void set_muxconf_regs(void)
123 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
124 int board_mmc_init(bd_t
*bis
)
126 return omap_mmc_init(0, 0, 0, -1, -1);
130 #if defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)
131 int board_eth_init(bd_t
*bis
)
135 rv
= cpu_eth_init(bis
);
139 rv
= usb_eth_initialize(bis
);