/* -*- c++ -*- */
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/* -*- c++ -*- */
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/* $Id: isr.h 395 2011-07-17 22:02:55Z mueller $ */
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/* $Id: isr.h 395 2011-07-17 22:02:55Z mueller $ */
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/*-----------------------------------------------------------------------------
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/*-----------------------------------------------------------------------------
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* Interrupt handling for FX2
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* Interrupt handling for FX2
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*-----------------------------------------------------------------------------
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*-----------------------------------------------------------------------------
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* Code taken from USRP2 firmware (GNU Radio Project), version 3.0.2,
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* Code taken from USRP2 firmware (GNU Radio Project), version 3.0.2,
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* Copyright 2003 Free Software Foundation, Inc.
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* Copyright 2003 Free Software Foundation, Inc.
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*-----------------------------------------------------------------------------
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*-----------------------------------------------------------------------------
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* This code is part of usbjtag. usbjtag is free software; you can redistribute
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* This code is part of usbjtag. usbjtag is free software; you can redistribute
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* it and/or modify it under the terms of the GNU General Public License as
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* it and/or modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the License,
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* published by the Free Software Foundation; either version 2 of the License,
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* or (at your option) any later version. usbjtag is distributed in the hope
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* or (at your option) any later version. usbjtag is distributed in the hope
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* that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details. You should have received a
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* GNU General Public License for more details. You should have received a
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* copy of the GNU General Public License along with this program in the file
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* copy of the GNU General Public License along with this program in the file
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* COPYING; if not, write to the Free Software Foundation, Inc., 51 Franklin
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* COPYING; if not, write to the Free Software Foundation, Inc., 51 Franklin
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* St, Fifth Floor, Boston, MA 02110-1301 USA
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* St, Fifth Floor, Boston, MA 02110-1301 USA
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*-----------------------------------------------------------------------------
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*-----------------------------------------------------------------------------
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*/
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*/
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#ifndef _ISR_H_
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#ifndef _ISR_H_
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#define _ISR_H_
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#define _ISR_H_
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/*
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/*
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* ----------------------------------------------------------------
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* ----------------------------------------------------------------
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* routines for managing interrupt services routines
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* routines for managing interrupt services routines
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* ----------------------------------------------------------------
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* ----------------------------------------------------------------
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*/
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*/
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/*
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/*
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* The FX2 has three discrete sets of interrupt vectors.
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* The FX2 has three discrete sets of interrupt vectors.
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* The first set is the standard 8051 vector (13 8-byte entries).
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* The first set is the standard 8051 vector (13 8-byte entries).
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* The second set is USB interrupt autovector (32 4-byte entries).
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* The second set is USB interrupt autovector (32 4-byte entries).
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* The third set is the FIFO/GPIF autovector (14 4-byte entries).
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* The third set is the FIFO/GPIF autovector (14 4-byte entries).
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*
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*
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* Since all the code we're running in the FX2 is ram based, we
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* Since all the code we're running in the FX2 is ram based, we
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* forego the typical "initialize the interrupt vectors at link time"
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* forego the typical "initialize the interrupt vectors at link time"
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* strategy, in favor of calls at run time that install the correct
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* strategy, in favor of calls at run time that install the correct
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* pointers to functions.
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* pointers to functions.
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*/
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*/
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/*
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/*
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* Standard Vector numbers
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* Standard Vector numbers
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*/
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*/
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#define SV_INT_0 0x03
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#define SV_INT_0 0x03
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#define SV_TIMER_0 0x0b
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#define SV_TIMER_0 0x0b
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#define SV_INT_1 0x13
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#define SV_INT_1 0x13
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#define SV_TIMER_1 0x1b
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#define SV_TIMER_1 0x1b
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#define SV_SERIAL_0 0x23
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#define SV_SERIAL_0 0x23
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#define SV_TIMER_2 0x2b
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#define SV_TIMER_2 0x2b
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#define SV_RESUME 0x33
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#define SV_RESUME 0x33
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#define SV_SERIAL_1 0x3b
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#define SV_SERIAL_1 0x3b
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#define SV_INT_2 0x43 // (INT_2) points at USB autovector
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#define SV_INT_2 0x43 // (INT_2) points at USB autovector
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#define SV_I2C 0x4b
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#define SV_I2C 0x4b
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#define SV_INT_4 0x53 // (INT_4) points at FIFO/GPIF autovector
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#define SV_INT_4 0x53 // (INT_4) points at FIFO/GPIF autovector
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#define SV_INT_5 0x5b
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#define SV_INT_5 0x5b
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#define SV_INT_6 0x63
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#define SV_INT_6 0x63
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#define SV_MIN SV_INT_0
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#define SV_MIN SV_INT_0
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#define SV_MAX SV_INT_6
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#define SV_MAX SV_INT_6
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/*
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/*
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* USB Auto Vector numbers
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* USB Auto Vector numbers
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*/
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*/
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#define UV_SUDAV 0x00
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#define UV_SUDAV 0x00
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#define UV_SOF 0x04
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#define UV_SOF 0x04
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#define UV_SUTOK 0x08
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#define UV_SUTOK 0x08
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#define UV_SUSPEND 0x0c
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#define UV_SUSPEND 0x0c
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#define UV_USBRESET 0x10
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#define UV_USBRESET 0x10
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#define UV_HIGHSPEED 0x14
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#define UV_HIGHSPEED 0x14
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#define UV_EP0ACK 0x18
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#define UV_EP0ACK 0x18
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#define UV_SPARE_1C 0x1c
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#define UV_SPARE_1C 0x1c
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#define UV_EP0IN 0x20
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#define UV_EP0IN 0x20
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#define UV_EP0OUT 0x24
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#define UV_EP0OUT 0x24
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#define UV_EP1IN 0x28
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#define UV_EP1IN 0x28
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#define UV_EP1OUT 0x2c
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#define UV_EP1OUT 0x2c
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#define UV_EP2 0x30
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#define UV_EP2 0x30
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#define UV_EP4 0x34
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#define UV_EP4 0x34
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#define UV_EP6 0x38
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#define UV_EP6 0x38
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#define UV_EP8 0x3c
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#define UV_EP8 0x3c
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#define UV_IBN 0x40
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#define UV_IBN 0x40
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#define UV_SPARE_44 0x44
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#define UV_SPARE_44 0x44
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#define UV_EP0PINGNAK 0x48
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#define UV_EP0PINGNAK 0x48
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#define UV_EP1PINGNAK 0x4c
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#define UV_EP1PINGNAK 0x4c
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#define UV_EP2PINGNAK 0x50
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#define UV_EP2PINGNAK 0x50
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#define UV_EP4PINGNAK 0x54
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#define UV_EP4PINGNAK 0x54
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#define UV_EP6PINGNAK 0x58
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#define UV_EP6PINGNAK 0x58
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#define UV_EP8PINGNAK 0x5c
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#define UV_EP8PINGNAK 0x5c
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#define UV_ERRLIMIT 0x60
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#define UV_ERRLIMIT 0x60
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#define UV_SPARE_64 0x64
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#define UV_SPARE_64 0x64
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#define UV_SPARE_68 0x68
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#define UV_SPARE_68 0x68
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#define UV_SPARE_6C 0x6c
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#define UV_SPARE_6C 0x6c
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#define UV_EP2ISOERR 0x70
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#define UV_EP2ISOERR 0x70
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#define UV_EP4ISOERR 0x74
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#define UV_EP4ISOERR 0x74
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#define UV_EP6ISOERR 0x78
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#define UV_EP6ISOERR 0x78
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#define UV_EP8ISOERR 0x7c
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#define UV_EP8ISOERR 0x7c
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#define UV_MIN UV_SUDAV
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#define UV_MIN UV_SUDAV
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#define UV_MAX UV_EP8ISOERR
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#define UV_MAX UV_EP8ISOERR
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/*
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/*
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* FIFO/GPIF Auto Vector numbers
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* FIFO/GPIF Auto Vector numbers
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*/
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*/
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#define FGV_EP2PF 0x80
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#define FGV_EP2PF 0x80
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#define FGV_EP4PF 0x84
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#define FGV_EP4PF 0x84
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#define FGV_EP6PF 0x88
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#define FGV_EP6PF 0x88
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#define FGV_EP8PF 0x8c
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#define FGV_EP8PF 0x8c
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#define FGV_EP2EF 0x90
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#define FGV_EP2EF 0x90
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#define FGV_EP4EF 0x94
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#define FGV_EP4EF 0x94
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#define FGV_EP6EF 0x98
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#define FGV_EP6EF 0x98
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#define FGV_EP8EF 0x9c
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#define FGV_EP8EF 0x9c
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#define FGV_EP2FF 0xa0
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#define FGV_EP2FF 0xa0
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#define FGV_EP4FF 0xa4
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#define FGV_EP4FF 0xa4
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#define FGV_EP6FF 0xa8
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#define FGV_EP6FF 0xa8
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#define FGV_EP8FF 0xac
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#define FGV_EP8FF 0xac
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#define FGV_GPIFDONE 0xb0
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#define FGV_GPIFDONE 0xb0
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#define FGV_GPIFWF 0xb4
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#define FGV_GPIFWF 0xb4
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#define FGV_MIN FGV_EP2PF
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#define FGV_MIN FGV_EP2PF
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#define FGV_MAX FGV_GPIFWF
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#define FGV_MAX FGV_GPIFWF
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/*
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/*
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* Hook standard interrupt vector.
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* Hook standard interrupt vector.
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*
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*
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* vector_number is from the SV_<foo> list above.
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* vector_number is from the SV_<foo> list above.
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* addr is the address of the interrupt service routine.
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* addr is the address of the interrupt service routine.
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*/
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*/
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void hook_sv (unsigned char vector_number, unsigned short addr);
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void hook_sv (unsigned char vector_number, unsigned short addr);
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/*
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/*
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* Hook usb interrupt vector.
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* Hook usb interrupt vector.
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*
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*
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* vector_number is from the UV_<foo> list above.
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* vector_number is from the UV_<foo> list above.
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* addr is the address of the interrupt service routine.
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* addr is the address of the interrupt service routine.
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*/
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*/
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void hook_uv (unsigned char vector_number, unsigned short addr);
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void hook_uv (unsigned char vector_number, unsigned short addr);
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/*
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/*
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* Hook fifo/gpif interrupt vector.
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* Hook fifo/gpif interrupt vector.
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*
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*
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* vector_number is from the FGV_<foo> list above.
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* vector_number is from the FGV_<foo> list above.
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* addr is the address of the interrupt service routine.
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* addr is the address of the interrupt service routine.
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*/
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*/
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void hook_fgv (unsigned char vector_number, unsigned short addr);
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void hook_fgv (unsigned char vector_number, unsigned short addr);
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/*
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/*
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* One time call to enable autovectoring for both USB and FIFO/GPIF
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* One time call to enable autovectoring for both USB and FIFO/GPIF
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*/
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*/
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void setup_autovectors (void);
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void setup_autovectors (void);
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/*
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/*
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* Must be called in each usb interrupt handler
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* Must be called in each usb interrupt handler
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*/
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*/
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#define clear_usb_irq() \
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#define clear_usb_irq() \
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EXIF &= ~bmEXIF_USBINT; \
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EXIF &= ~bmEXIF_USBINT; \
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INT2CLR = 0
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INT2CLR = 0
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/*
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/*
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* Must be calledin each fifo/gpif interrupt handler
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* Must be calledin each fifo/gpif interrupt handler
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*/
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*/
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#define clear_fifo_gpif_irq() \
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#define clear_fifo_gpif_irq() \
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EXIF &= ~bmEXIF_IE4; \
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EXIF &= ~bmEXIF_IE4; \
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INT4CLR = 0
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INT4CLR = 0
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#endif /* _ISR_H_ */
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#endif /* _ISR_H_ */
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