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- /*
- * board.c
- *
- * Common board functions for AM33XX based boards
- *
- * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
- * GNU General Public License for more details.
- */
- #include <common.h>
- #include <errno.h>
- #include <spl.h>
- #include <asm/arch/cpu.h>
- #include <asm/arch/hardware.h>
- #include <asm/arch/omap.h>
- #include <asm/arch/ddr_defs.h>
- #include <asm/arch/clock.h>
- #include <asm/arch/gpio.h>
- #include <asm/arch/mem.h>
- #include <asm/arch/mmc_host_def.h>
- #include <asm/arch/sys_proto.h>
- #include <asm/io.h>
- #include <asm/emif.h>
- #include <asm/gpio.h>
- #include <i2c.h>
- #include <miiphy.h>
- #include <cpsw.h>
- #include <asm/errno.h>
- #include <linux/usb/ch9.h>
- #include <linux/usb/gadget.h>
- #include <linux/usb/musb.h>
- #include <asm/omap_musb.h>
- DECLARE_GLOBAL_DATA_PTR;
- static const struct gpio_bank gpio_bank_am33xx[4] = {
- { (void *)AM33XX_GPIO0_BASE, METHOD_GPIO_24XX },
- { (void *)AM33XX_GPIO1_BASE, METHOD_GPIO_24XX },
- { (void *)AM33XX_GPIO2_BASE, METHOD_GPIO_24XX },
- { (void *)AM33XX_GPIO3_BASE, METHOD_GPIO_24XX },
- };
- const struct gpio_bank *const omap_gpio_bank = gpio_bank_am33xx;
- #if defined(CONFIG_OMAP_HSMMC) && !defined(CONFIG_SPL_BUILD)
- int cpu_mmc_init(bd_t *bis)
- {
- int ret;
- ret = omap_mmc_init(0, 0, 0, -1, -1);
- if (ret)
- return ret;
- return omap_mmc_init(1, 0, 0, -1, -1);
- }
- #endif
- void setup_clocks_for_console(void)
- {
- /* Not yet implemented */
- return;
- }
- /* AM33XX has two MUSB controllers which can be host or gadget */
- #if (defined(CONFIG_MUSB_GADGET) || defined(CONFIG_MUSB_HOST)) && \
- (defined(CONFIG_AM335X_USB0) || defined(CONFIG_AM335X_USB1))
- static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
- /* USB 2.0 PHY Control */
- #define CM_PHY_PWRDN (1 << 0)
- #define CM_PHY_OTG_PWRDN (1 << 1)
- #define OTGVDET_EN (1 << 19)
- #define OTGSESSENDEN (1 << 20)
- static void am33xx_usb_set_phy_power(u8 on, u32 *reg_addr)
- {
- if (on) {
- clrsetbits_le32(reg_addr, CM_PHY_PWRDN | CM_PHY_OTG_PWRDN,
- OTGVDET_EN | OTGSESSENDEN);
- } else {
- clrsetbits_le32(reg_addr, 0, CM_PHY_PWRDN | CM_PHY_OTG_PWRDN);
- }
- }
- static struct musb_hdrc_config musb_config = {
- .multipoint = 1,
- .dyn_fifo = 1,
- .num_eps = 16,
- .ram_bits = 12,
- };
- #ifdef CONFIG_AM335X_USB0
- static void am33xx_otg0_set_phy_power(u8 on)
- {
- am33xx_usb_set_phy_power(on, &cdev->usb_ctrl0);
- }
- struct omap_musb_board_data otg0_board_data = {
- .set_phy_power = am33xx_otg0_set_phy_power,
- };
- static struct musb_hdrc_platform_data otg0_plat = {
- .mode = CONFIG_AM335X_USB0_MODE,
- .config = &musb_config,
- .power = 50,
- .platform_ops = &musb_dsps_ops,
- .board_data = &otg0_board_data,
- };
- #endif
- #ifdef CONFIG_AM335X_USB1
- static void am33xx_otg1_set_phy_power(u8 on)
- {
- am33xx_usb_set_phy_power(on, &cdev->usb_ctrl1);
- }
- struct omap_musb_board_data otg1_board_data = {
- .set_phy_power = am33xx_otg1_set_phy_power,
- };
- static struct musb_hdrc_platform_data otg1_plat = {
- .mode = CONFIG_AM335X_USB1_MODE,
- .config = &musb_config,
- .power = 50,
- .platform_ops = &musb_dsps_ops,
- .board_data = &otg1_board_data,
- };
- #endif
- #endif
- int arch_misc_init(void)
- {
- #ifdef CONFIG_AM335X_USB0
- musb_register(&otg0_plat, &otg0_board_data,
- (void *)AM335X_USB0_OTG_BASE);
- #endif
- #ifdef CONFIG_AM335X_USB1
- musb_register(&otg1_plat, &otg1_board_data,
- (void *)AM335X_USB1_OTG_BASE);
- #endif
- return 0;
- }
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