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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2014 Michael Sparmann
* Copyright (C) 2014 by Marcin Bukat
* Copyright (C) 2016 by Cástor Muñoz
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __USB_DESIGNWARE_H__
#define __USB_DESIGNWARE_H__
#include <inttypes.h>
#include "config.h"
#ifndef REG32_PTR_T
#define REG32_PTR_T volatile uint32_t *
#endif
/* Global registers */
#define DWC_GOTGCTL (*((REG32_PTR_T)(OTGBASE + 0x00)))
#define DWC_GOTGINT (*((REG32_PTR_T)(OTGBASE + 0x04)))
#define DWC_GAHBCFG (*((REG32_PTR_T)(OTGBASE + 0x08)))
#define PTXFELVL (1<<8)
#define TXFELVL (1<<7)
#define DMAEN (1<<5)
#define HBSTLEN(x) ((x)<<1)
#define HBSTLEN_SINGLE 0
#define HBSTLEN_INCR 1
#define HBSTLEN_INCR4 3
#define HBSTLEN_INCR8 5
#define HBSTLEN_INCR16 7
#define GINT (1<<0)
#define DWC_GUSBCFG (*((REG32_PTR_T)(OTGBASE + 0x0c)))
#define FDMOD (1<<30)
#define TRDT(x) ((x)<<10)
#define DDRSEL (1<<7)
#define PHSEL (1<<6)
#define FSINTF (1<<5)
#define ULPI_UTMI_SEL (1<<4)
#define PHYIF16 (1<<3)
#define DWC_GRSTCTL (*((REG32_PTR_T)(OTGBASE + 0x10)))
#define AHBIDL (1<<31)
#define TXFNUM(x) ((x)<<6)
#define TXFFLSH (1<<5)
#define RXFFLSH (1<<4)
#define CSRST (1<<0)
#define DWC_GINTSTS (*((REG32_PTR_T)(OTGBASE + 0x14)))
#define WKUINT (1<<31)
#define SRQINT (1<<30)
#define DISCINT (1<<29)
#define CIDSCHG (1<<28)
#define PTXFE (1<<26)
#define HCINT (1<<25)
#define HPRTINT (1<<24)
#define FETSUSP (1<<22)
#define IPXFR (1<<21)
#define IISOIXFR (1<<20)
#define OEPINT (1<<19)
#define IEPINT (1<<18)
#define EPMIS (1<<17)
#define EOPF (1<<15)
#define ISOODPR (1<<14)
#define ENUMDNE (1<<13)
#define USBRST (1<<12)
#define USBSUSP (1<<11)
#define ESUSP (1<<10)
#define GOUTNAKEFF (1<<7)
#define GINAKEFF (1<<6)
#define NPTXFE (1<<5)
#define RXFLVL (1<<4)
#define SOF (1<<3)
#define OTGINT (1<<2)
#define MMIS (1<<1)
#define CMOD (1<<0)
#define DWC_GINTMSK (*((REG32_PTR_T)(OTGBASE + 0x18)))
#define DWC_GRXSTSR (*((REG32_PTR_T)(OTGBASE + 0x1c)))
#define DWC_GRXSTSP (*((REG32_PTR_T)(OTGBASE + 0x20)))
#define PKTSTS_GLOBALOUTNAK 1
#define PKTSTS_OUTRX 2
#define PKTSTS_HCHIN 2
#define PKTSTS_OUTDONE 3
#define PKTSTS_HCHIN_XFER_COMP 3
#define PKTSTS_SETUPDONE 4
#define PKTSTS_DATATOGGLEERR 5
#define PKTSTS_SETUPRX 6
#define PKTSTS_HCHHALTED 7
#define DWC_GRXFSIZ (*((REG32_PTR_T)(OTGBASE + 0x24)))
#ifdef USB_DW_SHARED_FIFO
#define DWC_GNPTXFSIZ (*((REG32_PTR_T)(OTGBASE + 0x28)))
#else
#define DWC_TX0FSIZ (*((REG32_PTR_T)(OTGBASE + 0x28)))
#endif
#define DWC_GNPTXSTS (*((REG32_PTR_T)(OTGBASE + 0x2c)))
#define DWC_GI2CCTL (*((REG32_PTR_T)(OTGBASE + 0x30)))
/* reserved */
#define DWC_GCCFG (*((REG32_PTR_T)(OTGBASE + 0x38)))
#define NOVBUSSENS (1<<21)
#define SOFOUTEN (1<<20)
#define VBUSBSEN (1<<19)
#define VBUSASEN (1<<18)
#define I2CPADEN (1<<17)
#define PWRDWN (1<<16)
#define DWC_CID (*((REG32_PTR_T)(OTGBASE + 0x3c)))
#define DWC_GSNPSID (*((REG32_PTR_T)(OTGBASE + 0x40)))
#define DWC_GHWCFG1 (*((REG32_PTR_T)(OTGBASE + 0x44)))
#define DWC_GHWCFG2 (*((REG32_PTR_T)(OTGBASE + 0x48)))
#define DWC_GHWCFG3 (*((REG32_PTR_T)(OTGBASE + 0x4c)))
#define DWC_GHWCFG4 (*((REG32_PTR_T)(OTGBASE + 0x50)))
#define DWC_GLPMCFG (*((REG32_PTR_T)(OTGBASE + 0x54)))
#define DWC_HPTXFSIZ (*((REG32_PTR_T)(OTGBASE + 0x100)))
#define DWC_DIEPTXF(x) (*((REG32_PTR_T)(OTGBASE + 0x104 + 4*(x)))) /*0..15*/
/* Host mode registers */
#define DWC_HCFG (*((REG32_PTR_T)(OTGBASE + 0x400)))
#define DWC_HFIR (*((REG32_PTR_T)(OTGBASE + 0x404)))
#define DWC_HFNUM (*((REG32_PTR_T)(OTGBASE + 0x408)))
/* reserved */
#define DWC_HPTXSTS (*((REG32_PTR_T)(OTGBASE + 0x410)))
#define DWC_HAINT (*((REG32_PTR_T)(OTGBASE + 0x414)))
#define DWC_HAINTMSK (*((REG32_PTR_T)(OTGBASE + 0x418)))
#define DWC_HPRT (*((REG32_PTR_T)(OTGBASE + 0x440)))
#define DWC_HCCHAR(x) (*((REG32_PTR_T)(OTGBASE + 0x500 + 0x20*(x))))
#define DWC_HCSPLT(x) (*((REG32_PTR_T)(OTGBASE + 0x504 + 0x20*(x))))
#define DWC_HCINT(x) (*((REG32_PTR_T)(OTGBASE + 0x508 + 0x20*(x))))
#define DWC_HCINTMSK(x) (*((REG32_PTR_T)(OTGBASE + 0x50c + 0x20*(x))))
#define DWC_HCTSIZ(x) (*((REG32_PTR_T)(OTGBASE + 0x510 + 0x20*(x))))
#define DWC_HCDMA(x) (*((REG32_PTR_T)(OTGBASE + 0x514 + 0x20*(x))))
/* Device mode registers */
#define DWC_DCFG (*((REG32_PTR_T)(OTGBASE + 0x800)))
#define EPMISCNT(x) ((x)<<18)
#define DAD(x) ((x)<<4)
#define NZLSOHSK (1<<2)
#define DWC_DCTL (*((REG32_PTR_T)(OTGBASE + 0x804)))
#define POPRGDNE (1<<11)
#define CGONAK (1<<10)
#define SGONAK (1<<9)
#define CGINAK (1<<8)
#define SGINAK (1<<7)
#define TCTL(x) ((x)<<4)
#define GONSTS (1<<3)
#define GINSTS (1<<2)
#define SDIS (1<<1)
#define RWUSIG (1<<0)
#define DWC_DSTS (*((REG32_PTR_T)(OTGBASE + 0x808)))
/* reserved */
#define DWC_DIEPMSK (*((REG32_PTR_T)(OTGBASE + 0x810)))
#define DWC_DOEPMSK (*((REG32_PTR_T)(OTGBASE + 0x814)))
#define DWC_DAINT (*((REG32_PTR_T)(OTGBASE + 0x818)))
#define DWC_DAINTMSK (*((REG32_PTR_T)(OTGBASE + 0x81c)))
/* reserved */
#define DWC_DVBUSDIS (*((REG32_PTR_T)(OTGBASE + 0x828)))
#define DWC_DVBUSPULSE (*((REG32_PTR_T)(OTGBASE + 0x82c)))
#ifdef USB_DW_SHARED_FIFO
#define DWC_DTKNQR1 (*((REG32_PTR_T)(OTGBASE + 0x820)))
#define DWC_DTKNQR2 (*((REG32_PTR_T)(OTGBASE + 0x824)))
#define DWC_DTKNQR3 (*((REG32_PTR_T)(OTGBASE + 0x830)))
#define DWC_DTKNQR4 (*((REG32_PTR_T)(OTGBASE + 0x834)))
#else /* !USB_DW_SHARED_FIFO */
#define DWC_DTHRCTL (*((REG32_PTR_T)(OTGBASE + 0x830)))
#define ARPEN (1<<27)
#define RXTHRLEN(x) ((x)<<17)
#define RXTHREN (1<<16)
#define TXTHRLEN(x) ((x)<<2)
#define ISOTHREN (1<<1)
#define NONISOTHREN (1<<0)
#define DWC_DIEPEMPMSK (*((REG32_PTR_T)(OTGBASE + 0x834)))
#define DWC_DEACHINT (*((REG32_PTR_T)(OTGBASE + 0x838)))
#define DWC_DEACHINTMSK (*((REG32_PTR_T)(OTGBASE + 0x83c)))
#define DWC_DIEPEACHMSK(x) (*((REG32_PTR_T)(OTGBASE + 0x840 + 4*(x))))
#define DWC_DOEPEACHMSK(x) (*((REG32_PTR_T)(OTGBASE + 0x880 + 4*(x))))
#endif
#define DWC_DIEPCTL(x) (*((REG32_PTR_T)(OTGBASE + 0x900 + 0x20*(x))))
#define DWC_DOEPCTL(x) (*((REG32_PTR_T)(OTGBASE + 0xb00 + 0x20*(x))))
#define EPENA (1<<31)
#define EPDIS (1<<30)
#define SD0PID (1<<28)
#define SNAK (1<<27)
#define CNAK (1<<26)
#define DTXFNUM(x) ((x)<<22)
#define STALL (1<<21)
#define EPTYP(x) ((x)<<18)
#define EPTYP_CONTROL 0
#define EPTYP_ISOCHRONOUS 1
#define EPTYP_BULK 2
#define EPTYP_INTERRUPT 3
#define NAKSTS (1<<17)
#define USBAEP (1<<15)
#define NEXTEP(x) ((x)<<11)
#define DWC_DIEPINT(x) (*((REG32_PTR_T)(OTGBASE + 0x908 + 0x20*(x))))
#define DWC_DOEPINT(x) (*((REG32_PTR_T)(OTGBASE + 0xb08 + 0x20*(x))))
#define TXFE (1<<7) /* IN */
#define INEPNE (1<<6) /* IN */
#define ITEPMIS (1<<5) /* IN */
#define ITTXFE (1<<4) /* IN */
#define OTEPDIS (1<<4) /* OUT */
#define TOC (1<<3) /* control IN */
#define STUP (1<<3) /* control OUT */
#define AHBERR (1<<2)
#define EPDISD (1<<1)
#define XFRC (1<<0)
#define DWC_DIEPTSIZ(x) (*((REG32_PTR_T)(OTGBASE + 0x910 + 0x20*(x))))
#define DWC_DOEPTSIZ(x) (*((REG32_PTR_T)(OTGBASE + 0xb10 + 0x20*(x))))
#define MCCNT(x) ((x)<<29) /* IN */
#define STUPCNT(x) ((x)<<29) /* control OUT */
#define RXDPID(x) ((x)<<29) /* isochronous OUT */
#define PKTCNT(x) ((x)<<19)
#define XFERSIZE(x) ((x)<<0)
#define DWC_DIEPDMA(x) (*((REG32_PTR_T)(OTGBASE + 0x914 + 0x20*(x))))
#define DWC_DOEPDMA(x) (*((REG32_PTR_T)(OTGBASE + 0xb14 + 0x20*(x))))
#define DWC_DTXFSTS(x) (*((REG32_PTR_T)(OTGBASE + 0x918 + 0x20*(x))))
#define DWC_PCGCCTL (*((REG32_PTR_T)(OTGBASE + 0xe00)))
#define DWC_DFIFO(x) (*((REG32_PTR_T)(OTGBASE + 0x1000 + 0x1000*(x))))
/* Device mode registers by (epnum,epdir), d==0 -> IN */
#define DWC_EPCTL(n,d) (*((REG32_PTR_T)(OTGBASE + 0x900 + 0x200*(d) + 0x20*(n))))
#define DWC_EPINT(n,d) (*((REG32_PTR_T)(OTGBASE + 0x908 + 0x200*(d) + 0x20*(n))))
#define DWC_EPTSIZ(n,d) (*((REG32_PTR_T)(OTGBASE + 0x910 + 0x200*(d) + 0x20*(n))))
#define DWC_EPDMA(n,d) (*((REG32_PTR_T)(OTGBASE + 0x914 + 0x200*(d) + 0x20*(n))))
/* HS PHY/interface configuration */
#define DWC_PHYTYPE_UTMI_8 (0)
#define DWC_PHYTYPE_UTMI_16 (PHYIF16)
#define DWC_PHYTYPE_ULPI_SDR (ULPI_UTMI_SEL)
#define DWC_PHYTYPE_ULPI_DDR (ULPI_UTMI_SEL|DDRSEL)
/* configure USB OTG capabilities on SoC */
struct usb_dw_config
{
uint8_t phytype; /* DWC_PHYTYPE_ */
uint16_t rx_fifosz;
uint16_t nptx_fifosz;
uint16_t ptx_fifosz;
#ifdef USB_DW_SHARED_FIFO
bool use_ptxfifo_as_plain_buffer;
#endif
#ifdef USB_DW_ARCH_SLAVE
bool disable_double_buffering;
#else
uint8_t ahb_burst_len; /* HBSTLEN_ */
#ifndef USB_DW_SHARED_FIFO
uint8_t ahb_threshold;
#endif
#endif
};
extern const struct usb_dw_config usb_dw_config;
extern void usb_dw_target_enable_clocks(void);
extern void usb_dw_target_disable_clocks(void);
extern void usb_dw_target_enable_irq(void);
extern void usb_dw_target_disable_irq(void);
extern void usb_dw_target_clear_irq(void);
#endif /* __USB_DESIGNWARE_H__ */
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