4 * Common board functions for AM33XX based boards
6 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
16 * GNU General Public License for more details.
22 #include <asm/arch/cpu.h>
23 #include <asm/arch/hardware.h>
24 #include <asm/arch/omap.h>
25 #include <asm/arch/ddr_defs.h>
26 #include <asm/arch/clock.h>
27 #include <asm/arch/gpio.h>
28 #include <asm/arch/mmc_host_def.h>
29 #include <asm/arch/sys_proto.h>
36 #include <asm/errno.h>
37 #include <linux/usb/ch9.h>
38 #include <linux/usb/gadget.h>
39 #include <linux/usb/musb.h>
40 #include <asm/omap_musb.h>
42 DECLARE_GLOBAL_DATA_PTR;
44 static const struct gpio_bank gpio_bank_am33xx[4] = {
45 { (void *)AM33XX_GPIO0_BASE, METHOD_GPIO_24XX },
46 { (void *)AM33XX_GPIO1_BASE, METHOD_GPIO_24XX },
47 { (void *)AM33XX_GPIO2_BASE, METHOD_GPIO_24XX },
48 { (void *)AM33XX_GPIO3_BASE, METHOD_GPIO_24XX },
51 const struct gpio_bank *const omap_gpio_bank = gpio_bank_am33xx;
53 #if defined(CONFIG_OMAP_HSMMC) && !defined(CONFIG_SPL_BUILD)
54 int cpu_mmc_init(bd_t *bis)
58 ret = omap_mmc_init(0, 0, 0);
62 return omap_mmc_init(1, 0, 0);
66 void setup_clocks_for_console(void)
68 /* Not yet implemented */
72 /* AM33XX has two MUSB controllers which can be host or gadget */
73 #if (defined(CONFIG_MUSB_GADGET) || defined(CONFIG_MUSB_HOST)) && \
74 (defined(CONFIG_AM335X_USB0) || defined(CONFIG_AM335X_USB1))
75 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
77 /* USB 2.0 PHY Control */
78 #define CM_PHY_PWRDN (1 << 0)
79 #define CM_PHY_OTG_PWRDN (1 << 1)
80 #define OTGVDET_EN (1 << 19)
81 #define OTGSESSENDEN (1 << 20)
83 static void am33xx_usb_set_phy_power(u8 on, u32 *reg_addr)
86 clrsetbits_le32(reg_addr, CM_PHY_PWRDN | CM_PHY_OTG_PWRDN,
87 OTGVDET_EN | OTGSESSENDEN);
89 clrsetbits_le32(reg_addr, 0, CM_PHY_PWRDN | CM_PHY_OTG_PWRDN);
93 static struct musb_hdrc_config musb_config = {
100 #ifdef CONFIG_AM335X_USB0
101 static void am33xx_otg0_set_phy_power(u8 on)
103 am33xx_usb_set_phy_power(on, &cdev->usb_ctrl0);
106 struct omap_musb_board_data otg0_board_data = {
107 .set_phy_power = am33xx_otg0_set_phy_power,
110 static struct musb_hdrc_platform_data otg0_plat = {
111 .mode = CONFIG_AM335X_USB0_MODE,
112 .config = &musb_config,
114 .platform_ops = &musb_dsps_ops,
115 .board_data = &otg0_board_data,
119 #ifdef CONFIG_AM335X_USB1
120 static void am33xx_otg1_set_phy_power(u8 on)
122 am33xx_usb_set_phy_power(on, &cdev->usb_ctrl1);
125 struct omap_musb_board_data otg1_board_data = {
126 .set_phy_power = am33xx_otg1_set_phy_power,
129 static struct musb_hdrc_platform_data otg1_plat = {
130 .mode = CONFIG_AM335X_USB1_MODE,
131 .config = &musb_config,
133 .platform_ops = &musb_dsps_ops,
134 .board_data = &otg1_board_data,
139 int arch_misc_init(void)
141 #ifdef CONFIG_AM335X_USB0
142 musb_register(&otg0_plat, &otg0_board_data,
143 (void *)AM335X_USB0_OTG_BASE);
145 #ifdef CONFIG_AM335X_USB1
146 musb_register(&otg1_plat, &otg1_board_data,
147 (void *)AM335X_USB1_OTG_BASE);