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|
/***********************license start***************
* Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights
* reserved.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Cavium Networks nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
* This Software, including technical data, may be subject to U.S. export control
* laws, including the U.S. Export Administration Act and its associated
* regulations, and may be subject to export or import regulations in other
* countries.
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
* AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR
* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
* THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
* DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
* SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
* MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
* VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
* CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
* PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
***********************license end**************************************/
/**
* cvmx-usbcx-defs.h
*
* Configuration and status register (CSR) type definitions for
* Octeon usbcx.
*
* This file is auto generated. Do not edit.
*
* <hr>$Revision$<hr>
*
*/
#ifndef __CVMX_USBCX_TYPEDEFS_H__
#define __CVMX_USBCX_TYPEDEFS_H__
#define CVMX_USBCX_DAINT(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000818ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_DAINTMSK(block_id) (CVMX_ADD_IO_SEG(0x00016F001000081Cull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_DCFG(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000800ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_DCTL(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000804ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_DIEPCTLX(offset, block_id) (CVMX_ADD_IO_SEG(0x00016F0010000900ull) + (((offset) & 7) + ((block_id) & 1) * 0x8000000000ull) * 32)
#define CVMX_USBCX_DIEPINTX(offset, block_id) (CVMX_ADD_IO_SEG(0x00016F0010000908ull) + (((offset) & 7) + ((block_id) & 1) * 0x8000000000ull) * 32)
#define CVMX_USBCX_DIEPMSK(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000810ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_DIEPTSIZX(offset, block_id) (CVMX_ADD_IO_SEG(0x00016F0010000910ull) + (((offset) & 7) + ((block_id) & 1) * 0x8000000000ull) * 32)
#define CVMX_USBCX_DOEPCTLX(offset, block_id) (CVMX_ADD_IO_SEG(0x00016F0010000B00ull) + (((offset) & 7) + ((block_id) & 1) * 0x8000000000ull) * 32)
#define CVMX_USBCX_DOEPINTX(offset, block_id) (CVMX_ADD_IO_SEG(0x00016F0010000B08ull) + (((offset) & 7) + ((block_id) & 1) * 0x8000000000ull) * 32)
#define CVMX_USBCX_DOEPMSK(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000814ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_DOEPTSIZX(offset, block_id) (CVMX_ADD_IO_SEG(0x00016F0010000B10ull) + (((offset) & 7) + ((block_id) & 1) * 0x8000000000ull) * 32)
#define CVMX_USBCX_DPTXFSIZX(offset, block_id) (CVMX_ADD_IO_SEG(0x00016F0010000100ull) + (((offset) & 7) + ((block_id) & 1) * 0x40000000000ull) * 4)
#define CVMX_USBCX_DSTS(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000808ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_DTKNQR1(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000820ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_DTKNQR2(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000824ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_DTKNQR3(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000830ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_DTKNQR4(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000834ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GAHBCFG(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000008ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GHWCFG1(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000044ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GHWCFG2(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000048ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GHWCFG3(block_id) (CVMX_ADD_IO_SEG(0x00016F001000004Cull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GHWCFG4(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000050ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GINTMSK(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000018ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GINTSTS(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000014ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GNPTXFSIZ(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000028ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GNPTXSTS(block_id) (CVMX_ADD_IO_SEG(0x00016F001000002Cull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GOTGCTL(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000000ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GOTGINT(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000004ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GRSTCTL(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000010ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GRXFSIZ(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000024ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GRXSTSPD(block_id) (CVMX_ADD_IO_SEG(0x00016F0010040020ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GRXSTSPH(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000020ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GRXSTSRD(block_id) (CVMX_ADD_IO_SEG(0x00016F001004001Cull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GRXSTSRH(block_id) (CVMX_ADD_IO_SEG(0x00016F001000001Cull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GSNPSID(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000040ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_GUSBCFG(block_id) (CVMX_ADD_IO_SEG(0x00016F001000000Cull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_HAINT(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000414ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_HAINTMSK(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000418ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_HCCHARX(offset, block_id) (CVMX_ADD_IO_SEG(0x00016F0010000500ull) + (((offset) & 7) + ((block_id) & 1) * 0x8000000000ull) * 32)
#define CVMX_USBCX_HCFG(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000400ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_HCINTMSKX(offset, block_id) (CVMX_ADD_IO_SEG(0x00016F001000050Cull) + (((offset) & 7) + ((block_id) & 1) * 0x8000000000ull) * 32)
#define CVMX_USBCX_HCINTX(offset, block_id) (CVMX_ADD_IO_SEG(0x00016F0010000508ull) + (((offset) & 7) + ((block_id) & 1) * 0x8000000000ull) * 32)
#define CVMX_USBCX_HCSPLTX(offset, block_id) (CVMX_ADD_IO_SEG(0x00016F0010000504ull) + (((offset) & 7) + ((block_id) & 1) * 0x8000000000ull) * 32)
#define CVMX_USBCX_HCTSIZX(offset, block_id) (CVMX_ADD_IO_SEG(0x00016F0010000510ull) + (((offset) & 7) + ((block_id) & 1) * 0x8000000000ull) * 32)
#define CVMX_USBCX_HFIR(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000404ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_HFNUM(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000408ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_HPRT(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000440ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_HPTXFSIZ(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000100ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_HPTXSTS(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000410ull) + ((block_id) & 1) * 0x100000000000ull)
#define CVMX_USBCX_NPTXDFIFOX(offset, block_id) (CVMX_ADD_IO_SEG(0x00016F0010001000ull) + (((offset) & 7) + ((block_id) & 1) * 0x100000000ull) * 4096)
#define CVMX_USBCX_PCGCCTL(block_id) (CVMX_ADD_IO_SEG(0x00016F0010000E00ull) + ((block_id) & 1) * 0x100000000000ull)
/**
* cvmx_usbc#_gahbcfg
*
* Core AHB Configuration Register (GAHBCFG)
*
* This register can be used to configure the core after power-on or a change in mode of operation.
* This register mainly contains AHB system-related configuration parameters. The AHB is the processor
* interface to the O2P USB core. In general, software need not know about this interface except to
* program the values as specified.
*
* The application must program this register as part of the O2P USB core initialization.
* Do not change this register after the initial programming.
*/
union cvmx_usbcx_gahbcfg {
uint32_t u32;
struct cvmx_usbcx_gahbcfg_s {
uint32_t reserved_9_31 : 23;
uint32_t ptxfemplvl : 1; /**< Periodic TxFIFO Empty Level (PTxFEmpLvl)
Software should set this bit to 0x1.
Indicates when the Periodic TxFIFO Empty Interrupt bit in the
Core Interrupt register (GINTSTS.PTxFEmp) is triggered. This
bit is used only in Slave mode.
* 1'b0: GINTSTS.PTxFEmp interrupt indicates that the Periodic
TxFIFO is half empty
* 1'b1: GINTSTS.PTxFEmp interrupt indicates that the Periodic
TxFIFO is completely empty */
uint32_t nptxfemplvl : 1; /**< Non-Periodic TxFIFO Empty Level (NPTxFEmpLvl)
Software should set this bit to 0x1.
Indicates when the Non-Periodic TxFIFO Empty Interrupt bit in
the Core Interrupt register (GINTSTS.NPTxFEmp) is triggered.
This bit is used only in Slave mode.
* 1'b0: GINTSTS.NPTxFEmp interrupt indicates that the Non-
Periodic TxFIFO is half empty
* 1'b1: GINTSTS.NPTxFEmp interrupt indicates that the Non-
Periodic TxFIFO is completely empty */
uint32_t reserved_6_6 : 1;
uint32_t dmaen : 1; /**< DMA Enable (DMAEn)
* 1'b0: Core operates in Slave mode
* 1'b1: Core operates in a DMA mode */
uint32_t hbstlen : 4; /**< Burst Length/Type (HBstLen)
This field has not effect and should be left as 0x0. */
uint32_t glblintrmsk : 1; /**< Global Interrupt Mask (GlblIntrMsk)
Software should set this field to 0x1.
The application uses this bit to mask or unmask the interrupt
line assertion to itself. Irrespective of this bit's setting, the
interrupt status registers are updated by the core.
* 1'b0: Mask the interrupt assertion to the application.
* 1'b1: Unmask the interrupt assertion to the application. */
} s;
};
typedef union cvmx_usbcx_gahbcfg cvmx_usbcx_gahbcfg_t;
/**
* cvmx_usbc#_ghwcfg3
*
* User HW Config3 Register (GHWCFG3)
*
* This register contains the configuration options of the O2P USB core.
*/
union cvmx_usbcx_ghwcfg3 {
uint32_t u32;
struct cvmx_usbcx_ghwcfg3_s {
uint32_t dfifodepth : 16; /**< DFIFO Depth (DfifoDepth)
This value is in terms of 32-bit words.
* Minimum value is 32
* Maximum value is 32768 */
uint32_t reserved_13_15 : 3;
uint32_t ahbphysync : 1; /**< AHB and PHY Synchronous (AhbPhySync)
Indicates whether AHB and PHY clocks are synchronous to
each other.
* 1'b0: No
* 1'b1: Yes
This bit is tied to 1. */
uint32_t rsttype : 1; /**< Reset Style for Clocked always Blocks in RTL (RstType)
* 1'b0: Asynchronous reset is used in the core
* 1'b1: Synchronous reset is used in the core */
uint32_t optfeature : 1; /**< Optional Features Removed (OptFeature)
Indicates whether the User ID register, GPIO interface ports,
and SOF toggle and counter ports were removed for gate count
optimization. */
uint32_t vendor_control_interface_support : 1; /**< Vendor Control Interface Support
* 1'b0: Vendor Control Interface is not available on the core.
* 1'b1: Vendor Control Interface is available. */
uint32_t i2c_selection : 1; /**< I2C Selection
* 1'b0: I2C Interface is not available on the core.
* 1'b1: I2C Interface is available on the core. */
uint32_t otgen : 1; /**< OTG Function Enabled (OtgEn)
The application uses this bit to indicate the O2P USB core's
OTG capabilities.
* 1'b0: Not OTG capable
* 1'b1: OTG Capable */
uint32_t pktsizewidth : 3; /**< Width of Packet Size Counters (PktSizeWidth)
* 3'b000: 4 bits
* 3'b001: 5 bits
* 3'b010: 6 bits
* 3'b011: 7 bits
* 3'b100: 8 bits
* 3'b101: 9 bits
* 3'b110: 10 bits
* Others: Reserved */
uint32_t xfersizewidth : 4; /**< Width of Transfer Size Counters (XferSizeWidth)
* 4'b0000: 11 bits
* 4'b0001: 12 bits
- ...
* 4'b1000: 19 bits
* Others: Reserved */
} s;
};
typedef union cvmx_usbcx_ghwcfg3 cvmx_usbcx_ghwcfg3_t;
/**
* cvmx_usbc#_gintmsk
*
* Core Interrupt Mask Register (GINTMSK)
*
* This register works with the Core Interrupt register to interrupt the application.
* When an interrupt bit is masked, the interrupt associated with that bit will not be generated.
* However, the Core Interrupt (GINTSTS) register bit corresponding to that interrupt will still be set.
* Mask interrupt: 1'b0, Unmask interrupt: 1'b1
*/
union cvmx_usbcx_gintmsk {
uint32_t u32;
struct cvmx_usbcx_gintmsk_s {
uint32_t wkupintmsk : 1; /**< Resume/Remote Wakeup Detected Interrupt Mask
(WkUpIntMsk) */
uint32_t sessreqintmsk : 1; /**< Session Request/New Session Detected Interrupt Mask
(SessReqIntMsk) */
uint32_t disconnintmsk : 1; /**< Disconnect Detected Interrupt Mask (DisconnIntMsk) */
uint32_t conidstschngmsk : 1; /**< Connector ID Status Change Mask (ConIDStsChngMsk) */
uint32_t reserved_27_27 : 1;
uint32_t ptxfempmsk : 1; /**< Periodic TxFIFO Empty Mask (PTxFEmpMsk) */
uint32_t hchintmsk : 1; /**< Host Channels Interrupt Mask (HChIntMsk) */
uint32_t prtintmsk : 1; /**< Host Port Interrupt Mask (PrtIntMsk) */
uint32_t reserved_23_23 : 1;
uint32_t fetsuspmsk : 1; /**< Data Fetch Suspended Mask (FetSuspMsk) */
uint32_t incomplpmsk : 1; /**< Incomplete Periodic Transfer Mask (incomplPMsk)
Incomplete Isochronous OUT Transfer Mask
(incompISOOUTMsk) */
uint32_t incompisoinmsk : 1; /**< Incomplete Isochronous IN Transfer Mask (incompISOINMsk) */
uint32_t oepintmsk : 1; /**< OUT Endpoints Interrupt Mask (OEPIntMsk) */
uint32_t inepintmsk : 1; /**< IN Endpoints Interrupt Mask (INEPIntMsk) */
uint32_t epmismsk : 1; /**< Endpoint Mismatch Interrupt Mask (EPMisMsk) */
uint32_t reserved_16_16 : 1;
uint32_t eopfmsk : 1; /**< End of Periodic Frame Interrupt Mask (EOPFMsk) */
uint32_t isooutdropmsk : 1; /**< Isochronous OUT Packet Dropped Interrupt Mask
(ISOOutDropMsk) */
uint32_t enumdonemsk : 1; /**< Enumeration Done Mask (EnumDoneMsk) */
uint32_t usbrstmsk : 1; /**< USB Reset Mask (USBRstMsk) */
uint32_t usbsuspmsk : 1; /**< USB Suspend Mask (USBSuspMsk) */
uint32_t erlysuspmsk : 1; /**< Early Suspend Mask (ErlySuspMsk) */
uint32_t i2cint : 1; /**< I2C Interrupt Mask (I2CINT) */
uint32_t ulpickintmsk : 1; /**< ULPI Carkit Interrupt Mask (ULPICKINTMsk)
I2C Carkit Interrupt Mask (I2CCKINTMsk) */
uint32_t goutnakeffmsk : 1; /**< Global OUT NAK Effective Mask (GOUTNakEffMsk) */
uint32_t ginnakeffmsk : 1; /**< Global Non-Periodic IN NAK Effective Mask (GINNakEffMsk) */
uint32_t nptxfempmsk : 1; /**< Non-Periodic TxFIFO Empty Mask (NPTxFEmpMsk) */
uint32_t rxflvlmsk : 1; /**< Receive FIFO Non-Empty Mask (RxFLvlMsk) */
uint32_t sofmsk : 1; /**< Start of (micro)Frame Mask (SofMsk) */
uint32_t otgintmsk : 1; /**< OTG Interrupt Mask (OTGIntMsk) */
uint32_t modemismsk : 1; /**< Mode Mismatch Interrupt Mask (ModeMisMsk) */
uint32_t reserved_0_0 : 1;
} s;
};
typedef union cvmx_usbcx_gintmsk cvmx_usbcx_gintmsk_t;
/**
* cvmx_usbc#_gintsts
*
* Core Interrupt Register (GINTSTS)
*
* This register interrupts the application for system-level events in the current mode of operation
* (Device mode or Host mode). It is shown in Interrupt. Some of the bits in this register are valid only in Host mode,
* while others are valid in Device mode only. This register also indicates the current mode of operation.
* In order to clear the interrupt status bits of type R_SS_WC, the application must write 1'b1 into the bit.
* The FIFO status interrupts are read only; once software reads from or writes to the FIFO while servicing these
* interrupts, FIFO interrupt conditions are cleared automatically.
*/
union cvmx_usbcx_gintsts {
uint32_t u32;
struct cvmx_usbcx_gintsts_s {
uint32_t wkupint : 1; /**< Resume/Remote Wakeup Detected Interrupt (WkUpInt)
In Device mode, this interrupt is asserted when a resume is
detected on the USB. In Host mode, this interrupt is asserted
when a remote wakeup is detected on the USB.
For more information on how to use this interrupt, see "Partial
Power-Down and Clock Gating Programming Model" on
page 353. */
uint32_t sessreqint : 1; /**< Session Request/New Session Detected Interrupt (SessReqInt)
In Host mode, this interrupt is asserted when a session request
is detected from the device. In Device mode, this interrupt is
asserted when the utmiotg_bvalid signal goes high.
For more information on how to use this interrupt, see "Partial
Power-Down and Clock Gating Programming Model" on
page 353. */
uint32_t disconnint : 1; /**< Disconnect Detected Interrupt (DisconnInt)
Asserted when a device disconnect is detected. */
uint32_t conidstschng : 1; /**< Connector ID Status Change (ConIDStsChng)
The core sets this bit when there is a change in connector ID
status. */
uint32_t reserved_27_27 : 1;
uint32_t ptxfemp : 1; /**< Periodic TxFIFO Empty (PTxFEmp)
Asserted when the Periodic Transmit FIFO is either half or
completely empty and there is space for at least one entry to be
written in the Periodic Request Queue. The half or completely
empty status is determined by the Periodic TxFIFO Empty Level
bit in the Core AHB Configuration register
(GAHBCFG.PTxFEmpLvl). */
uint32_t hchint : 1; /**< Host Channels Interrupt (HChInt)
The core sets this bit to indicate that an interrupt is pending on
one of the channels of the core (in Host mode). The application
must read the Host All Channels Interrupt (HAINT) register to
determine the exact number of the channel on which the
interrupt occurred, and then read the corresponding Host
Channel-n Interrupt (HCINTn) register to determine the exact
cause of the interrupt. The application must clear the
appropriate status bit in the HCINTn register to clear this bit. */
uint32_t prtint : 1; /**< Host Port Interrupt (PrtInt)
The core sets this bit to indicate a change in port status of one
of the O2P USB core ports in Host mode. The application must
read the Host Port Control and Status (HPRT) register to
determine the exact event that caused this interrupt. The
application must clear the appropriate status bit in the Host Port
Control and Status register to clear this bit. */
uint32_t reserved_23_23 : 1;
uint32_t fetsusp : 1; /**< Data Fetch Suspended (FetSusp)
This interrupt is valid only in DMA mode. This interrupt indicates
that the core has stopped fetching data for IN endpoints due to
the unavailability of TxFIFO space or Request Queue space.
This interrupt is used by the application for an endpoint
mismatch algorithm. */
uint32_t incomplp : 1; /**< Incomplete Periodic Transfer (incomplP)
In Host mode, the core sets this interrupt bit when there are
incomplete periodic transactions still pending which are
scheduled for the current microframe.
Incomplete Isochronous OUT Transfer (incompISOOUT)
The Device mode, the core sets this interrupt to indicate that
there is at least one isochronous OUT endpoint on which the
transfer is not completed in the current microframe. This
interrupt is asserted along with the End of Periodic Frame
Interrupt (EOPF) bit in this register. */
uint32_t incompisoin : 1; /**< Incomplete Isochronous IN Transfer (incompISOIN)
The core sets this interrupt to indicate that there is at least one
isochronous IN endpoint on which the transfer is not completed
in the current microframe. This interrupt is asserted along with
the End of Periodic Frame Interrupt (EOPF) bit in this register. */
uint32_t oepint : 1; /**< OUT Endpoints Interrupt (OEPInt)
The core sets this bit to indicate that an interrupt is pending on
one of the OUT endpoints of the core (in Device mode). The
application must read the Device All Endpoints Interrupt
(DAINT) register to determine the exact number of the OUT
endpoint on which the interrupt occurred, and then read the
corresponding Device OUT Endpoint-n Interrupt (DOEPINTn)
register to determine the exact cause of the interrupt. The
application must clear the appropriate status bit in the
corresponding DOEPINTn register to clear this bit. */
uint32_t iepint : 1; /**< IN Endpoints Interrupt (IEPInt)
The core sets this bit to indicate that an interrupt is pending on
one of the IN endpoints of the core (in Device mode). The
application must read the Device All Endpoints Interrupt
(DAINT) register to determine the exact number of the IN
endpoint on which the interrupt occurred, and then read the
corresponding Device IN Endpoint-n Interrupt (DIEPINTn)
register to determine the exact cause of the interrupt. The
application must clear the appropriate status bit in the
corresponding DIEPINTn register to clear this bit. */
uint32_t epmis : 1; /**< Endpoint Mismatch Interrupt (EPMis)
Indicates that an IN token has been received for a non-periodic
endpoint, but the data for another endpoint is present in the top
of the Non-Periodic Transmit FIFO and the IN endpoint
mismatch count programmed by the application has expired. */
uint32_t reserved_16_16 : 1;
uint32_t eopf : 1; /**< End of Periodic Frame Interrupt (EOPF)
Indicates that the period specified in the Periodic Frame Interval
field of the Device Configuration register (DCFG.PerFrInt) has
been reached in the current microframe. */
uint32_t isooutdrop : 1; /**< Isochronous OUT Packet Dropped Interrupt (ISOOutDrop)
The core sets this bit when it fails to write an isochronous OUT
packet into the RxFIFO because the RxFIFO doesn't have
enough space to accommodate a maximum packet size packet
for the isochronous OUT endpoint. */
uint32_t enumdone : 1; /**< Enumeration Done (EnumDone)
The core sets this bit to indicate that speed enumeration is
complete. The application must read the Device Status (DSTS)
register to obtain the enumerated speed. */
uint32_t usbrst : 1; /**< USB Reset (USBRst)
The core sets this bit to indicate that a reset is detected on the
USB. */
uint32_t usbsusp : 1; /**< USB Suspend (USBSusp)
The core sets this bit to indicate that a suspend was detected
on the USB. The core enters the Suspended state when there
is no activity on the phy_line_state_i signal for an extended
period of time. */
uint32_t erlysusp : 1; /**< Early Suspend (ErlySusp)
The core sets this bit to indicate that an Idle state has been
detected on the USB for 3 ms. */
uint32_t i2cint : 1; /**< I2C Interrupt (I2CINT)
This bit is always 0x0. */
uint32_t ulpickint : 1; /**< ULPI Carkit Interrupt (ULPICKINT)
This bit is always 0x0. */
uint32_t goutnakeff : 1; /**< Global OUT NAK Effective (GOUTNakEff)
Indicates that the Set Global OUT NAK bit in the Device Control
register (DCTL.SGOUTNak), set by the application, has taken
effect in the core. This bit can be cleared by writing the Clear
Global OUT NAK bit in the Device Control register
(DCTL.CGOUTNak). */
uint32_t ginnakeff : 1; /**< Global IN Non-Periodic NAK Effective (GINNakEff)
Indicates that the Set Global Non-Periodic IN NAK bit in the
Device Control register (DCTL.SGNPInNak), set by the
application, has taken effect in the core. That is, the core has
sampled the Global IN NAK bit set by the application. This bit
can be cleared by clearing the Clear Global Non-Periodic IN
NAK bit in the Device Control register (DCTL.CGNPInNak).
This interrupt does not necessarily mean that a NAK handshake
is sent out on the USB. The STALL bit takes precedence over
the NAK bit. */
uint32_t nptxfemp : 1; /**< Non-Periodic TxFIFO Empty (NPTxFEmp)
This interrupt is asserted when the Non-Periodic TxFIFO is
either half or completely empty, and there is space for at least
one entry to be written to the Non-Periodic Transmit Request
Queue. The half or completely empty status is determined by
the Non-Periodic TxFIFO Empty Level bit in the Core AHB
Configuration register (GAHBCFG.NPTxFEmpLvl). */
uint32_t rxflvl : 1; /**< RxFIFO Non-Empty (RxFLvl)
Indicates that there is at least one packet pending to be read
from the RxFIFO. */
uint32_t sof : 1; /**< Start of (micro)Frame (Sof)
In Host mode, the core sets this bit to indicate that an SOF
(FS), micro-SOF (HS), or Keep-Alive (LS) is transmitted on the
USB. The application must write a 1 to this bit to clear the
interrupt.
In Device mode, in the core sets this bit to indicate that an SOF
token has been received on the USB. The application can read
the Device Status register to get the current (micro)frame
number. This interrupt is seen only when the core is operating
at either HS or FS. */
uint32_t otgint : 1; /**< OTG Interrupt (OTGInt)
The core sets this bit to indicate an OTG protocol event. The
application must read the OTG Interrupt Status (GOTGINT)
register to determine the exact event that caused this interrupt.
The application must clear the appropriate status bit in the
GOTGINT register to clear this bit. */
uint32_t modemis : 1; /**< Mode Mismatch Interrupt (ModeMis)
The core sets this bit when the application is trying to access:
* A Host mode register, when the core is operating in Device
mode
* A Device mode register, when the core is operating in Host
mode
The register access is completed on the AHB with an OKAY
response, but is ignored by the core internally and doesn't
affect the operation of the core. */
uint32_t curmod : 1; /**< Current Mode of Operation (CurMod)
Indicates the current mode of operation.
* 1'b0: Device mode
* 1'b1: Host mode */
} s;
};
typedef union cvmx_usbcx_gintsts cvmx_usbcx_gintsts_t;
/**
* cvmx_usbc#_gnptxfsiz
*
* Non-Periodic Transmit FIFO Size Register (GNPTXFSIZ)
*
* The application can program the RAM size and the memory start address for the Non-Periodic TxFIFO.
*/
union cvmx_usbcx_gnptxfsiz {
uint32_t u32;
struct cvmx_usbcx_gnptxfsiz_s {
uint32_t nptxfdep : 16; /**< Non-Periodic TxFIFO Depth (NPTxFDep)
This value is in terms of 32-bit words.
Minimum value is 16
Maximum value is 32768 */
uint32_t nptxfstaddr : 16; /**< Non-Periodic Transmit RAM Start Address (NPTxFStAddr)
This field contains the memory start address for Non-Periodic
Transmit FIFO RAM. */
} s;
};
typedef union cvmx_usbcx_gnptxfsiz cvmx_usbcx_gnptxfsiz_t;
/**
* cvmx_usbc#_gnptxsts
*
* Non-Periodic Transmit FIFO/Queue Status Register (GNPTXSTS)
*
* This read-only register contains the free space information for the Non-Periodic TxFIFO and
* the Non-Periodic Transmit Request Queue
*/
union cvmx_usbcx_gnptxsts {
uint32_t u32;
struct cvmx_usbcx_gnptxsts_s {
uint32_t reserved_31_31 : 1;
uint32_t nptxqtop : 7; /**< Top of the Non-Periodic Transmit Request Queue (NPTxQTop)
Entry in the Non-Periodic Tx Request Queue that is currently
being processed by the MAC.
* Bits [30:27]: Channel/endpoint number
* Bits [26:25]:
- 2'b00: IN/OUT token
- 2'b01: Zero-length transmit packet (device IN/host OUT)
- 2'b10: PING/CSPLIT token
- 2'b11: Channel halt command
* Bit [24]: Terminate (last entry for selected channel/endpoint) */
uint32_t nptxqspcavail : 8; /**< Non-Periodic Transmit Request Queue Space Available
(NPTxQSpcAvail)
Indicates the amount of free space available in the Non-
Periodic Transmit Request Queue. This queue holds both IN
and OUT requests in Host mode. Device mode has only IN
requests.
* 8'h0: Non-Periodic Transmit Request Queue is full
* 8'h1: 1 location available
* 8'h2: 2 locations available
* n: n locations available (0..8)
* Others: Reserved */
uint32_t nptxfspcavail : 16; /**< Non-Periodic TxFIFO Space Avail (NPTxFSpcAvail)
Indicates the amount of free space available in the Non-
Periodic TxFIFO.
Values are in terms of 32-bit words.
* 16'h0: Non-Periodic TxFIFO is full
* 16'h1: 1 word available
* 16'h2: 2 words available
* 16'hn: n words available (where 0..32768)
* 16'h8000: 32768 words available
* Others: Reserved */
} s;
};
typedef union cvmx_usbcx_gnptxsts cvmx_usbcx_gnptxsts_t;
/**
* cvmx_usbc#_grstctl
*
* Core Reset Register (GRSTCTL)
*
* The application uses this register to reset various hardware features inside the core.
*/
union cvmx_usbcx_grstctl {
uint32_t u32;
struct cvmx_usbcx_grstctl_s {
uint32_t ahbidle : 1; /**< AHB Master Idle (AHBIdle)
Indicates that the AHB Master State Machine is in the IDLE
condition. */
uint32_t dmareq : 1; /**< DMA Request Signal (DMAReq)
Indicates that the DMA request is in progress. Used for debug. */
uint32_t reserved_11_29 : 19;
uint32_t txfnum : 5; /**< TxFIFO Number (TxFNum)
This is the FIFO number that must be flushed using the TxFIFO
Flush bit. This field must not be changed until the core clears
the TxFIFO Flush bit.
* 5'h0: Non-Periodic TxFIFO flush
* 5'h1: Periodic TxFIFO 1 flush in Device mode or Periodic
TxFIFO flush in Host mode
* 5'h2: Periodic TxFIFO 2 flush in Device mode
- ...
* 5'hF: Periodic TxFIFO 15 flush in Device mode
* 5'h10: Flush all the Periodic and Non-Periodic TxFIFOs in the
core */
uint32_t txfflsh : 1; /**< TxFIFO Flush (TxFFlsh)
This bit selectively flushes a single or all transmit FIFOs, but
cannot do so if the core is in the midst of a transaction.
The application must only write this bit after checking that the
core is neither writing to the TxFIFO nor reading from the
TxFIFO.
The application must wait until the core clears this bit before
performing any operations. This bit takes 8 clocks (of phy_clk or
hclk, whichever is slower) to clear. */
uint32_t rxfflsh : 1; /**< RxFIFO Flush (RxFFlsh)
The application can flush the entire RxFIFO using this bit, but
must first ensure that the core is not in the middle of a
transaction.
The application must only write to this bit after checking that the
core is neither reading from the RxFIFO nor writing to the
RxFIFO.
The application must wait until the bit is cleared before
performing any other operations. This bit will take 8 clocks
(slowest of PHY or AHB clock) to clear. */
uint32_t intknqflsh : 1; /**< IN Token Sequence Learning Queue Flush (INTknQFlsh)
The application writes this bit to flush the IN Token Sequence
Learning Queue. */
uint32_t frmcntrrst : 1; /**< Host Frame Counter Reset (FrmCntrRst)
The application writes this bit to reset the (micro)frame number
counter inside the core. When the (micro)frame counter is reset,
the subsequent SOF sent out by the core will have a
(micro)frame number of 0. */
uint32_t hsftrst : 1; /**< HClk Soft Reset (HSftRst)
The application uses this bit to flush the control logic in the AHB
Clock domain. Only AHB Clock Domain pipelines are reset.
* FIFOs are not flushed with this bit.
* All state machines in the AHB clock domain are reset to the
Idle state after terminating the transactions on the AHB,
following the protocol.
* CSR control bits used by the AHB clock domain state
machines are cleared.
* To clear this interrupt, status mask bits that control the
interrupt status and are generated by the AHB clock domain
state machine are cleared.
* Because interrupt status bits are not cleared, the application
can get the status of any core events that occurred after it set
this bit.
This is a self-clearing bit that the core clears after all necessary
logic is reset in the core. This may take several clocks,
depending on the core's current state. */
uint32_t csftrst : 1; /**< Core Soft Reset (CSftRst)
Resets the hclk and phy_clock domains as follows:
* Clears the interrupts and all the CSR registers except the
following register bits:
- PCGCCTL.RstPdwnModule
- PCGCCTL.GateHclk
- PCGCCTL.PwrClmp
- PCGCCTL.StopPPhyLPwrClkSelclk
- GUSBCFG.PhyLPwrClkSel
- GUSBCFG.DDRSel
- GUSBCFG.PHYSel
- GUSBCFG.FSIntf
- GUSBCFG.ULPI_UTMI_Sel
- GUSBCFG.PHYIf
- HCFG.FSLSPclkSel
- DCFG.DevSpd
* All module state machines (except the AHB Slave Unit) are
reset to the IDLE state, and all the transmit FIFOs and the
receive FIFO are flushed.
* Any transactions on the AHB Master are terminated as soon
as possible, after gracefully completing the last data phase of
an AHB transfer. Any transactions on the USB are terminated
immediately.
The application can write to this bit any time it wants to reset
the core. This is a self-clearing bit and the core clears this bit
after all the necessary logic is reset in the core, which may take
several clocks, depending on the current state of the core.
Once this bit is cleared software should wait at least 3 PHY
clocks before doing any access to the PHY domain
(synchronization delay). Software should also should check that
bit 31 of this register is 1 (AHB Master is IDLE) before starting
any operation.
Typically software reset is used during software development
and also when you dynamically change the PHY selection bits
in the USB configuration registers listed above. When you
change the PHY, the corresponding clock for the PHY is
selected and used in the PHY domain. Once a new clock is
selected, the PHY domain has to be reset for proper operation. */
} s;
};
typedef union cvmx_usbcx_grstctl cvmx_usbcx_grstctl_t;
/**
* cvmx_usbc#_grxfsiz
*
* Receive FIFO Size Register (GRXFSIZ)
*
* The application can program the RAM size that must be allocated to the RxFIFO.
*/
union cvmx_usbcx_grxfsiz {
uint32_t u32;
struct cvmx_usbcx_grxfsiz_s {
uint32_t reserved_16_31 : 16;
uint32_t rxfdep : 16; /**< RxFIFO Depth (RxFDep)
This value is in terms of 32-bit words.
* Minimum value is 16
* Maximum value is 32768 */
} s;
};
typedef union cvmx_usbcx_grxfsiz cvmx_usbcx_grxfsiz_t;
/**
* cvmx_usbc#_grxstsph
*
* Receive Status Read and Pop Register, Host Mode (GRXSTSPH)
*
* A read to the Receive Status Read and Pop register returns and additionally pops the top data entry out of the RxFIFO.
* This Description is only valid when the core is in Host Mode. For Device Mode use USBC_GRXSTSPD instead.
* NOTE: GRXSTSPH and GRXSTSPD are physically the same register and share the same offset in the O2P USB core.
* The offset difference shown in this document is for software clarity and is actually ignored by the
* hardware.
*/
union cvmx_usbcx_grxstsph {
uint32_t u32;
struct cvmx_usbcx_grxstsph_s {
uint32_t reserved_21_31 : 11;
uint32_t pktsts : 4; /**< Packet Status (PktSts)
Indicates the status of the received packet
* 4'b0010: IN data packet received
* 4'b0011: IN transfer completed (triggers an interrupt)
* 4'b0101: Data toggle error (triggers an interrupt)
* 4'b0111: Channel halted (triggers an interrupt)
* Others: Reserved */
uint32_t dpid : 2; /**< Data PID (DPID)
* 2'b00: DATA0
* 2'b10: DATA1
* 2'b01: DATA2
* 2'b11: MDATA */
uint32_t bcnt : 11; /**< Byte Count (BCnt)
Indicates the byte count of the received IN data packet */
uint32_t chnum : 4; /**< Channel Number (ChNum)
Indicates the channel number to which the current received
packet belongs. */
} s;
};
typedef union cvmx_usbcx_grxstsph cvmx_usbcx_grxstsph_t;
/**
* cvmx_usbc#_gusbcfg
*
* Core USB Configuration Register (GUSBCFG)
*
* This register can be used to configure the core after power-on or a changing to Host mode or Device mode.
* It contains USB and USB-PHY related configuration parameters. The application must program this register
* before starting any transactions on either the AHB or the USB.
* Do not make changes to this register after the initial programming.
*/
union cvmx_usbcx_gusbcfg {
uint32_t u32;
struct cvmx_usbcx_gusbcfg_s {
uint32_t reserved_17_31 : 15;
uint32_t otgi2csel : 1; /**< UTMIFS or I2C Interface Select (OtgI2CSel)
This bit is always 0x0. */
uint32_t phylpwrclksel : 1; /**< PHY Low-Power Clock Select (PhyLPwrClkSel)
Software should set this bit to 0x0.
Selects either 480-MHz or 48-MHz (low-power) PHY mode. In
FS and LS modes, the PHY can usually operate on a 48-MHz
clock to save power.
* 1'b0: 480-MHz Internal PLL clock
* 1'b1: 48-MHz External Clock
In 480 MHz mode, the UTMI interface operates at either 60 or
30-MHz, depending upon whether 8- or 16-bit data width is
selected. In 48-MHz mode, the UTMI interface operates at 48
MHz in FS mode and at either 48 or 6 MHz in LS mode
(depending on the PHY vendor).
This bit drives the utmi_fsls_low_power core output signal, and
is valid only for UTMI+ PHYs. */
uint32_t reserved_14_14 : 1;
uint32_t usbtrdtim : 4; /**< USB Turnaround Time (USBTrdTim)
Sets the turnaround time in PHY clocks.
Specifies the response time for a MAC request to the Packet
FIFO Controller (PFC) to fetch data from the DFIFO (SPRAM).
This must be programmed to 0x5. */
uint32_t hnpcap : 1; /**< HNP-Capable (HNPCap)
This bit is always 0x0. */
uint32_t srpcap : 1; /**< SRP-Capable (SRPCap)
This bit is always 0x0. */
uint32_t ddrsel : 1; /**< ULPI DDR Select (DDRSel)
Software should set this bit to 0x0. */
uint32_t physel : 1; /**< USB 2.0 High-Speed PHY or USB 1.1 Full-Speed Serial
Software should set this bit to 0x0. */
uint32_t fsintf : 1; /**< Full-Speed Serial Interface Select (FSIntf)
Software should set this bit to 0x0. */
uint32_t ulpi_utmi_sel : 1; /**< ULPI or UTMI+ Select (ULPI_UTMI_Sel)
This bit is always 0x0. */
uint32_t phyif : 1; /**< PHY Interface (PHYIf)
This bit is always 0x1. */
uint32_t toutcal : 3; /**< HS/FS Timeout Calibration (TOutCal)
The number of PHY clocks that the application programs in this
field is added to the high-speed/full-speed interpacket timeout
duration in the core to account for any additional delays
introduced by the PHY. This may be required, since the delay
introduced by the PHY in generating the linestate condition may
vary from one PHY to another.
The USB standard timeout value for high-speed operation is
736 to 816 (inclusive) bit times. The USB standard timeout
value for full-speed operation is 16 to 18 (inclusive) bit times.
The application must program this field based on the speed of
enumeration. The number of bit times added per PHY clock are:
High-speed operation:
* One 30-MHz PHY clock = 16 bit times
* One 60-MHz PHY clock = 8 bit times
Full-speed operation:
* One 30-MHz PHY clock = 0.4 bit times
* One 60-MHz PHY clock = 0.2 bit times
* One 48-MHz PHY clock = 0.25 bit times */
} s;
};
typedef union cvmx_usbcx_gusbcfg cvmx_usbcx_gusbcfg_t;
/**
* cvmx_usbc#_haint
*
* Host All Channels Interrupt Register (HAINT)
*
* When a significant event occurs on a channel, the Host All Channels Interrupt register
* interrupts the application using the Host Channels Interrupt bit of the Core Interrupt
* register (GINTSTS.HChInt). This is shown in Interrupt . There is one interrupt bit per
* channel, up to a maximum of 16 bits. Bits in this register are set and cleared when the
* application sets and clears bits in the corresponding Host Channel-n Interrupt register.
*/
union cvmx_usbcx_haint {
uint32_t u32;
struct cvmx_usbcx_haint_s {
uint32_t reserved_16_31 : 16;
uint32_t haint : 16; /**< Channel Interrupts (HAINT)
One bit per channel: Bit 0 for Channel 0, bit 15 for Channel 15 */
} s;
};
typedef union cvmx_usbcx_haint cvmx_usbcx_haint_t;
/**
* cvmx_usbc#_haintmsk
*
* Host All Channels Interrupt Mask Register (HAINTMSK)
*
* The Host All Channel Interrupt Mask register works with the Host All Channel Interrupt
* register to interrupt the application when an event occurs on a channel. There is one
* interrupt mask bit per channel, up to a maximum of 16 bits.
* Mask interrupt: 1'b0 Unmask interrupt: 1'b1
*/
union cvmx_usbcx_haintmsk {
uint32_t u32;
struct cvmx_usbcx_haintmsk_s {
uint32_t reserved_16_31 : 16;
uint32_t haintmsk : 16; /**< Channel Interrupt Mask (HAINTMsk)
One bit per channel: Bit 0 for channel 0, bit 15 for channel 15 */
} s;
};
typedef union cvmx_usbcx_haintmsk cvmx_usbcx_haintmsk_t;
/**
* cvmx_usbc#_hcchar#
*
* Host Channel-n Characteristics Register (HCCHAR)
*
*/
union cvmx_usbcx_hccharx {
uint32_t u32;
struct cvmx_usbcx_hccharx_s {
uint32_t chena : 1; /**< Channel Enable (ChEna)
This field is set by the application and cleared by the OTG host.
* 1'b0: Channel disabled
* 1'b1: Channel enabled */
uint32_t chdis : 1; /**< Channel Disable (ChDis)
The application sets this bit to stop transmitting/receiving data
on a channel, even before the transfer for that channel is
complete. The application must wait for the Channel Disabled
interrupt before treating the channel as disabled. */
uint32_t oddfrm : 1; /**< Odd Frame (OddFrm)
This field is set (reset) by the application to indicate that the
OTG host must perform a transfer in an odd (micro)frame. This
field is applicable for only periodic (isochronous and interrupt)
transactions.
* 1'b0: Even (micro)frame
* 1'b1: Odd (micro)frame */
uint32_t devaddr : 7; /**< Device Address (DevAddr)
This field selects the specific device serving as the data source
or sink. */
uint32_t ec : 2; /**< Multi Count (MC) / Error Count (EC)
When the Split Enable bit of the Host Channel-n Split Control
register (HCSPLTn.SpltEna) is reset (1'b0), this field indicates
to the host the number of transactions that should be executed
per microframe for this endpoint.
* 2'b00: Reserved. This field yields undefined results.
* 2'b01: 1 transaction
* 2'b10: 2 transactions to be issued for this endpoint per
microframe
* 2'b11: 3 transactions to be issued for this endpoint per
microframe
When HCSPLTn.SpltEna is set (1'b1), this field indicates the
number of immediate retries to be performed for a periodic split
transactions on transaction errors. This field must be set to at
least 2'b01. */
uint32_t eptype : 2; /**< Endpoint Type (EPType)
Indicates the transfer type selected.
* 2'b00: Control
* 2'b01: Isochronous
* 2'b10: Bulk
* 2'b11: Interrupt */
uint32_t lspddev : 1; /**< Low-Speed Device (LSpdDev)
This field is set by the application to indicate that this channel is
communicating to a low-speed device. */
uint32_t reserved_16_16 : 1;
uint32_t epdir : 1; /**< Endpoint Direction (EPDir)
Indicates whether the transaction is IN or OUT.
* 1'b0: OUT
* 1'b1: IN */
uint32_t epnum : 4; /**< Endpoint Number (EPNum)
Indicates the endpoint number on the device serving as the
data source or sink. */
uint32_t mps : 11; /**< Maximum Packet Size (MPS)
Indicates the maximum packet size of the associated endpoint. */
} s;
};
typedef union cvmx_usbcx_hccharx cvmx_usbcx_hccharx_t;
/**
* cvmx_usbc#_hcfg
*
* Host Configuration Register (HCFG)
*
* This register configures the core after power-on. Do not make changes to this register after initializing the host.
*/
union cvmx_usbcx_hcfg {
uint32_t u32;
struct cvmx_usbcx_hcfg_s {
uint32_t reserved_3_31 : 29;
uint32_t fslssupp : 1; /**< FS- and LS-Only Support (FSLSSupp)
The application uses this bit to control the core's enumeration
speed. Using this bit, the application can make the core
enumerate as a FS host, even if the connected device supports
HS traffic. Do not make changes to this field after initial
programming.
* 1'b0: HS/FS/LS, based on the maximum speed supported by
the connected device
* 1'b1: FS/LS-only, even if the connected device can support HS */
uint32_t fslspclksel : 2; /**< FS/LS PHY Clock Select (FSLSPclkSel)
When the core is in FS Host mode
* 2'b00: PHY clock is running at 30/60 MHz
* 2'b01: PHY clock is running at 48 MHz
* Others: Reserved
When the core is in LS Host mode
* 2'b00: PHY clock is running at 30/60 MHz. When the
UTMI+/ULPI PHY Low Power mode is not selected, use
30/60 MHz.
* 2'b01: PHY clock is running at 48 MHz. When the UTMI+
PHY Low Power mode is selected, use 48MHz if the PHY
supplies a 48 MHz clock during LS mode.
* 2'b10: PHY clock is running at 6 MHz. In USB 1.1 FS mode,
use 6 MHz when the UTMI+ PHY Low Power mode is
selected and the PHY supplies a 6 MHz clock during LS
mode. If you select a 6 MHz clock during LS mode, you must
do a soft reset.
* 2'b11: Reserved */
} s;
};
typedef union cvmx_usbcx_hcfg cvmx_usbcx_hcfg_t;
/**
* cvmx_usbc#_hcint#
*
* Host Channel-n Interrupt Register (HCINT)
*
* This register indicates the status of a channel with respect to USB- and AHB-related events.
* The application must read this register when the Host Channels Interrupt bit of the Core Interrupt
* register (GINTSTS.HChInt) is set. Before the application can read this register, it must first read
* the Host All Channels Interrupt (HAINT) register to get the exact channel number for the Host Channel-n
* Interrupt register. The application must clear the appropriate bit in this register to clear the
* corresponding bits in the HAINT and GINTSTS registers.
*/
union cvmx_usbcx_hcintx {
uint32_t u32;
struct cvmx_usbcx_hcintx_s {
uint32_t reserved_11_31 : 21;
uint32_t datatglerr : 1; /**< Data Toggle Error (DataTglErr) */
uint32_t frmovrun : 1; /**< Frame Overrun (FrmOvrun) */
uint32_t bblerr : 1; /**< Babble Error (BblErr) */
uint32_t xacterr : 1; /**< Transaction Error (XactErr) */
uint32_t nyet : 1; /**< NYET Response Received Interrupt (NYET) */
uint32_t ack : 1; /**< ACK Response Received Interrupt (ACK) */
uint32_t nak : 1; /**< NAK Response Received Interrupt (NAK) */
uint32_t stall : 1; /**< STALL Response Received Interrupt (STALL) */
uint32_t ahberr : 1; /**< This bit is always 0x0. */
uint32_t chhltd : 1; /**< Channel Halted (ChHltd)
Indicates the transfer completed abnormally either because of
any USB transaction error or in response to disable request by
the application. */
uint32_t xfercompl : 1; /**< Transfer Completed (XferCompl)
Transfer completed normally without any errors. */
} s;
};
typedef union cvmx_usbcx_hcintx cvmx_usbcx_hcintx_t;
/**
* cvmx_usbc#_hcintmsk#
*
* Host Channel-n Interrupt Mask Register (HCINTMSKn)
*
* This register reflects the mask for each channel status described in the previous section.
* Mask interrupt: 1'b0 Unmask interrupt: 1'b1
*/
union cvmx_usbcx_hcintmskx {
uint32_t u32;
struct cvmx_usbcx_hcintmskx_s {
uint32_t reserved_11_31 : 21;
uint32_t datatglerrmsk : 1; /**< Data Toggle Error Mask (DataTglErrMsk) */
uint32_t frmovrunmsk : 1; /**< Frame Overrun Mask (FrmOvrunMsk) */
uint32_t bblerrmsk : 1; /**< Babble Error Mask (BblErrMsk) */
uint32_t xacterrmsk : 1; /**< Transaction Error Mask (XactErrMsk) */
uint32_t nyetmsk : 1; /**< NYET Response Received Interrupt Mask (NyetMsk) */
uint32_t ackmsk : 1; /**< ACK Response Received Interrupt Mask (AckMsk) */
uint32_t nakmsk : 1; /**< NAK Response Received Interrupt Mask (NakMsk) */
uint32_t stallmsk : 1; /**< STALL Response Received Interrupt Mask (StallMsk) */
uint32_t ahberrmsk : 1; /**< AHB Error Mask (AHBErrMsk) */
uint32_t chhltdmsk : 1; /**< Channel Halted Mask (ChHltdMsk) */
uint32_t xfercomplmsk : 1; /**< Transfer Completed Mask (XferComplMsk) */
} s;
};
typedef union cvmx_usbcx_hcintmskx cvmx_usbcx_hcintmskx_t;
/**
* cvmx_usbc#_hcsplt#
*
* Host Channel-n Split Control Register (HCSPLT)
*
*/
union cvmx_usbcx_hcspltx {
uint32_t u32;
struct cvmx_usbcx_hcspltx_s {
uint32_t spltena : 1; /**< Split Enable (SpltEna)
The application sets this field to indicate that this channel is
enabled to perform split transactions. */
uint32_t reserved_17_30 : 14;
uint32_t compsplt : 1; /**< Do Complete Split (CompSplt)
The application sets this field to request the OTG host to
perform a complete split transaction. */
uint32_t xactpos : 2; /**< Transaction Position (XactPos)
This field is used to determine whether to send all, first, middle,
or last payloads with each OUT transaction.
* 2'b11: All. This is the entire data payload is of this transaction
(which is less than or equal to 188 bytes).
* 2'b10: Begin. This is the first data payload of this transaction
(which is larger than 188 bytes).
* 2'b00: Mid. This is the middle payload of this transaction
(which is larger than 188 bytes).
* 2'b01: End. This is the last payload of this transaction (which
is larger than 188 bytes). */
uint32_t hubaddr : 7; /**< Hub Address (HubAddr)
This field holds the device address of the transaction
translator's hub. */
uint32_t prtaddr : 7; /**< Port Address (PrtAddr)
This field is the port number of the recipient transaction
translator. */
} s;
};
typedef union cvmx_usbcx_hcspltx cvmx_usbcx_hcspltx_t;
/**
* cvmx_usbc#_hctsiz#
*
* Host Channel-n Transfer Size Register (HCTSIZ)
*
*/
union cvmx_usbcx_hctsizx {
uint32_t u32;
struct cvmx_usbcx_hctsizx_s {
uint32_t dopng : 1; /**< Do Ping (DoPng)
Setting this field to 1 directs the host to do PING protocol. */
uint32_t pid : 2; /**< PID (Pid)
The application programs this field with the type of PID to use
for the initial transaction. The host will maintain this field for the
rest of the transfer.
* 2'b00: DATA0
* 2'b01: DATA2
* 2'b10: DATA1
* 2'b11: MDATA (non-control)/SETUP (control) */
uint32_t pktcnt : 10; /**< Packet Count (PktCnt)
This field is programmed by the application with the expected
number of packets to be transmitted (OUT) or received (IN).
The host decrements this count on every successful
transmission or reception of an OUT/IN packet. Once this count
reaches zero, the application is interrupted to indicate normal
completion. */
uint32_t xfersize : 19; /**< Transfer Size (XferSize)
For an OUT, this field is the number of data bytes the host will
send during the transfer.
For an IN, this field is the buffer size that the application has
reserved for the transfer. The application is expected to
program this field as an integer multiple of the maximum packet
size for IN transactions (periodic and non-periodic). */
} s;
};
typedef union cvmx_usbcx_hctsizx cvmx_usbcx_hctsizx_t;
/**
* cvmx_usbc#_hfir
*
* Host Frame Interval Register (HFIR)
*
* This register stores the frame interval information for the current speed to which the O2P USB core has enumerated.
*/
union cvmx_usbcx_hfir {
uint32_t u32;
struct cvmx_usbcx_hfir_s {
uint32_t reserved_16_31 : 16;
uint32_t frint : 16; /**< Frame Interval (FrInt)
The value that the application programs to this field specifies
the interval between two consecutive SOFs (FS) or micro-
SOFs (HS) or Keep-Alive tokens (HS). This field contains the
number of PHY clocks that constitute the required frame
interval. The default value set in this field for a FS operation
when the PHY clock frequency is 60 MHz. The application can
write a value to this register only after the Port Enable bit of
the Host Port Control and Status register (HPRT.PrtEnaPort)
has been set. If no value is programmed, the core calculates
the value based on the PHY clock specified in the FS/LS PHY
Clock Select field of the Host Configuration register
(HCFG.FSLSPclkSel). Do not change the value of this field
after the initial configuration.
* 125 us (PHY clock frequency for HS)
* 1 ms (PHY clock frequency for FS/LS) */
} s;
};
typedef union cvmx_usbcx_hfir cvmx_usbcx_hfir_t;
/**
* cvmx_usbc#_hfnum
*
* Host Frame Number/Frame Time Remaining Register (HFNUM)
*
* This register indicates the current frame number.
* It also indicates the time remaining (in terms of the number of PHY clocks)
* in the current (micro)frame.
*/
union cvmx_usbcx_hfnum {
uint32_t u32;
struct cvmx_usbcx_hfnum_s {
uint32_t frrem : 16; /**< Frame Time Remaining (FrRem)
Indicates the amount of time remaining in the current
microframe (HS) or frame (FS/LS), in terms of PHY clocks.
This field decrements on each PHY clock. When it reaches
zero, this field is reloaded with the value in the Frame Interval
register and a new SOF is transmitted on the USB. */
uint32_t frnum : 16; /**< Frame Number (FrNum)
This field increments when a new SOF is transmitted on the
USB, and is reset to 0 when it reaches 16'h3FFF. */
} s;
};
typedef union cvmx_usbcx_hfnum cvmx_usbcx_hfnum_t;
/**
* cvmx_usbc#_hprt
*
* Host Port Control and Status Register (HPRT)
*
* This register is available in both Host and Device modes.
* Currently, the OTG Host supports only one port.
* A single register holds USB port-related information such as USB reset, enable, suspend, resume,
* connect status, and test mode for each port. The R_SS_WC bits in this register can trigger an
* interrupt to the application through the Host Port Interrupt bit of the Core Interrupt
* register (GINTSTS.PrtInt). On a Port Interrupt, the application must read this register and clear
* the bit that caused the interrupt. For the R_SS_WC bits, the application must write a 1 to the bit
* to clear the interrupt.
*/
union cvmx_usbcx_hprt {
uint32_t u32;
struct cvmx_usbcx_hprt_s {
uint32_t reserved_19_31 : 13;
uint32_t prtspd : 2; /**< Port Speed (PrtSpd)
Indicates the speed of the device attached to this port.
* 2'b00: High speed
* 2'b01: Full speed
* 2'b10: Low speed
* 2'b11: Reserved */
uint32_t prttstctl : 4; /**< Port Test Control (PrtTstCtl)
The application writes a nonzero value to this field to put
the port into a Test mode, and the corresponding pattern is
signaled on the port.
* 4'b0000: Test mode disabled
* 4'b0001: Test_J mode
* 4'b0010: Test_K mode
* 4'b0011: Test_SE0_NAK mode
* 4'b0100: Test_Packet mode
* 4'b0101: Test_Force_Enable
* Others: Reserved
PrtSpd must be zero (i.e. the interface must be in high-speed
mode) to use the PrtTstCtl test modes. */
uint32_t prtpwr : 1; /**< Port Power (PrtPwr)
The application uses this field to control power to this port,
and the core clears this bit on an overcurrent condition.
* 1'b0: Power off
* 1'b1: Power on */
uint32_t prtlnsts : 2; /**< Port Line Status (PrtLnSts)
Indicates the current logic level USB data lines
* Bit [10]: Logic level of D-
* Bit [11]: Logic level of D+ */
uint32_t reserved_9_9 : 1;
uint32_t prtrst : 1; /**< Port Reset (PrtRst)
When the application sets this bit, a reset sequence is
started on this port. The application must time the reset
period and clear this bit after the reset sequence is
complete.
* 1'b0: Port not in reset
* 1'b1: Port in reset
The application must leave this bit set for at least a
minimum duration mentioned below to start a reset on the
port. The application can leave it set for another 10 ms in
addition to the required minimum duration, before clearing
the bit, even though there is no maximum limit set by the
USB standard.
* High speed: 50 ms
* Full speed/Low speed: 10 ms */
uint32_t prtsusp : 1; /**< Port Suspend (PrtSusp)
The application sets this bit to put this port in Suspend
mode. The core only stops sending SOFs when this is set.
To stop the PHY clock, the application must set the Port
Clock Stop bit, which will assert the suspend input pin of
the PHY.
The read value of this bit reflects the current suspend
status of the port. This bit is cleared by the core after a
remote wakeup signal is detected or the application sets
the Port Reset bit or Port Resume bit in this register or the
Resume/Remote Wakeup Detected Interrupt bit or
Disconnect Detected Interrupt bit in the Core Interrupt
register (GINTSTS.WkUpInt or GINTSTS.DisconnInt,
respectively).
* 1'b0: Port not in Suspend mode
* 1'b1: Port in Suspend mode */
uint32_t prtres : 1; /**< Port Resume (PrtRes)
The application sets this bit to drive resume signaling on
the port. The core continues to drive the resume signal
until the application clears this bit.
If the core detects a USB remote wakeup sequence, as
indicated by the Port Resume/Remote Wakeup Detected
Interrupt bit of the Core Interrupt register
(GINTSTS.WkUpInt), the core starts driving resume
signaling without application intervention and clears this bit
when it detects a disconnect condition. The read value of
this bit indicates whether the core is currently driving
resume signaling.
* 1'b0: No resume driven
* 1'b1: Resume driven */
uint32_t prtovrcurrchng : 1; /**< Port Overcurrent Change (PrtOvrCurrChng)
The core sets this bit when the status of the Port
Overcurrent Active bit (bit 4) in this register changes. */
uint32_t prtovrcurract : 1; /**< Port Overcurrent Active (PrtOvrCurrAct)
Indicates the overcurrent condition of the port.
* 1'b0: No overcurrent condition
* 1'b1: Overcurrent condition */
uint32_t prtenchng : 1; /**< Port Enable/Disable Change (PrtEnChng)
The core sets this bit when the status of the Port Enable bit
[2] of this register changes. */
uint32_t prtena : 1; /**< Port Enable (PrtEna)
A port is enabled only by the core after a reset sequence,
and is disabled by an overcurrent condition, a disconnect
condition, or by the application clearing this bit. The
application cannot set this bit by a register write. It can only
clear it to disable the port. This bit does not trigger any
interrupt to the application.
* 1'b0: Port disabled
* 1'b1: Port enabled */
uint32_t prtconndet : 1; /**< Port Connect Detected (PrtConnDet)
The core sets this bit when a device connection is detected
to trigger an interrupt to the application using the Host Port
Interrupt bit of the Core Interrupt register (GINTSTS.PrtInt).
The application must write a 1 to this bit to clear the
interrupt. */
uint32_t prtconnsts : 1; /**< Port Connect Status (PrtConnSts)
* 0: No device is attached to the port.
* 1: A device is attached to the port. */
} s;
};
typedef union cvmx_usbcx_hprt cvmx_usbcx_hprt_t;
/**
* cvmx_usbc#_hptxfsiz
*
* Host Periodic Transmit FIFO Size Register (HPTXFSIZ)
*
* This register holds the size and the memory start address of the Periodic TxFIFO, as shown in Figures 310 and 311.
*/
union cvmx_usbcx_hptxfsiz {
uint32_t u32;
struct cvmx_usbcx_hptxfsiz_s {
uint32_t ptxfsize : 16; /**< Host Periodic TxFIFO Depth (PTxFSize)
This value is in terms of 32-bit words.
* Minimum value is 16
* Maximum value is 32768 */
uint32_t ptxfstaddr : 16; /**< Host Periodic TxFIFO Start Address (PTxFStAddr) */
} s;
};
typedef union cvmx_usbcx_hptxfsiz cvmx_usbcx_hptxfsiz_t;
/**
* cvmx_usbc#_hptxsts
*
* Host Periodic Transmit FIFO/Queue Status Register (HPTXSTS)
*
* This read-only register contains the free space information for the Periodic TxFIFO and
* the Periodic Transmit Request Queue
*/
union cvmx_usbcx_hptxsts {
uint32_t u32;
struct cvmx_usbcx_hptxsts_s {
uint32_t ptxqtop : 8; /**< Top of the Periodic Transmit Request Queue (PTxQTop)
This indicates the entry in the Periodic Tx Request Queue that
is currently being processes by the MAC.
This register is used for debugging.
* Bit [31]: Odd/Even (micro)frame
- 1'b0: send in even (micro)frame
- 1'b1: send in odd (micro)frame
* Bits [30:27]: Channel/endpoint number
* Bits [26:25]: Type
- 2'b00: IN/OUT
- 2'b01: Zero-length packet
- 2'b10: CSPLIT
- 2'b11: Disable channel command
* Bit [24]: Terminate (last entry for the selected
channel/endpoint) */
uint32_t ptxqspcavail : 8; /**< Periodic Transmit Request Queue Space Available
(PTxQSpcAvail)
Indicates the number of free locations available to be written in
the Periodic Transmit Request Queue. This queue holds both
IN and OUT requests.
* 8'h0: Periodic Transmit Request Queue is full
* 8'h1: 1 location available
* 8'h2: 2 locations available
* n: n locations available (0..8)
* Others: Reserved */
uint32_t ptxfspcavail : 16; /**< Periodic Transmit Data FIFO Space Available (PTxFSpcAvail)
Indicates the number of free locations available to be written to
in the Periodic TxFIFO.
Values are in terms of 32-bit words
* 16'h0: Periodic TxFIFO is full
* 16'h1: 1 word available
* 16'h2: 2 words available
* 16'hn: n words available (where 0..32768)
* 16'h8000: 32768 words available
* Others: Reserved */
} s;
};
typedef union cvmx_usbcx_hptxsts cvmx_usbcx_hptxsts_t;
#endif
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