upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/drivers/usb/musb/am35x.h

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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* am35x.h - TI's AM35x platform specific usb wrapper definitions.
*
* Author: Ajay Kumar Gupta <ajay.gupta@ti.com>
*
* Based on drivers/usb/musb/da8xx.h
*
* Copyright (c) 2010 Texas Instruments Incorporated
*/
#ifndef __AM35X_USB_H__
#define __AM35X_USB_H__
#include <asm/arch/am35x_def.h>
#include "musb_core.h"
/* Base address of musb wrapper */
#define AM35X_USB_OTG_BASE 0x5C040000
/* Base address of musb core */
#define AM35X_USB_OTG_CORE_BASE (AM35X_USB_OTG_BASE + 0x400)
/* Timeout for AM35x usb module */
#define AM35X_USB_OTG_TIMEOUT 0x3FFFFFF
/*
* AM35x platform USB wrapper register overlay.
*/
struct am35x_usb_regs {
u32 revision;
u32 control;
u32 status;
u32 emulation;
u32 reserved0[1];
u32 autoreq;
u32 srpfixtime;
u32 ep_intsrc;
u32 ep_intsrcset;
u32 ep_intsrcclr;
u32 ep_intmsk;
u32 ep_intmskset;
u32 ep_intmskclr;
u32 ep_intsrcmsked;
u32 reserved1[1];
u32 core_intsrc;
u32 core_intsrcset;
u32 core_intsrcclr;
u32 core_intmsk;
u32 core_intmskset;
u32 core_intmskclr;
u32 core_intsrcmsked;
u32 reserved2[1];
u32 eoi;
u32 mop_sop_en;
u32 reserved3[2];
u32 txmode;
u32 rxmode;
u32 epcount_mode;
};
#define am35x_usb_regs ((struct am35x_usb_regs *)AM35X_USB_OTG_BASE)
/* USB 2.0 PHY Control */
#define DEVCONF2_PHY_GPIOMODE (1 << 23)
#define DEVCONF2_OTGMODE (3 << 14)
#define DEVCONF2_SESENDEN (1 << 13) /* Vsess_end comparator */
#define DEVCONF2_VBDTCTEN (1 << 12) /* Vbus comparator */
#define DEVCONF2_REFFREQ_24MHZ (2 << 8)
#define DEVCONF2_REFFREQ_26MHZ (7 << 8)
#define DEVCONF2_REFFREQ_13MHZ (6 << 8)
#define DEVCONF2_REFFREQ (0xf << 8)
#define DEVCONF2_PHYCKGD (1 << 7)
#define DEVCONF2_VBUSSENSE (1 << 6)
#define DEVCONF2_PHY_PLLON (1 << 5) /* override PLL suspend */
#define DEVCONF2_RESET (1 << 4)
#define DEVCONF2_PHYPWRDN (1 << 3)
#define DEVCONF2_OTGPWRDN (1 << 2)
#define DEVCONF2_DATPOL (1 << 1)
#endif /* __AM35X_USB_H__ */