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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [sh/] [hs7729pci/] [v2_0/] [include/] [plf_intr.h] - Blame information for rev 174

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#ifndef CYGONCE_HAL_PLF_INTR_H
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#define CYGONCE_HAL_PLF_INTR_H
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//==========================================================================
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//
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//      plf_intr.h
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//
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//      Platform specific Interrupt and clock support
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//
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//==========================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s):    jskov
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// Contributors: jskov
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// Date:         2001-05-25
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// Purpose:      Define Interrupt support
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// Description:  The macros defined here provide the HAL APIs for handling
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//               interrupts and the clock for the HS7729PCI board.
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// Usage:
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//               #include <cyg/hal/plf_intr.h>
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//               ...
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//              
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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#include <pkgconf/hal.h>
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//----------------------------------------------------------------------------
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// External interrupts
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#define CYGNUM_HAL_INTERRUPT_EXTERNALS_BASE CYGNUM_HAL_INTERRUPT_LVL0
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#define CYGNUM_HAL_INTERRUPT_PCI            CYGNUM_HAL_INTERRUPT_LVL0
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#define CYGNUM_HAL_INTERRUPT_UIO_IRQ4       CYGNUM_HAL_INTERRUPT_LVL1
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#define CYGNUM_HAL_INTERRUPT_SLOT_IRQ1      CYGNUM_HAL_INTERRUPT_LVL2
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#define CYGNUM_HAL_INTERRUPT_UIO_IRQ12      CYGNUM_HAL_INTERRUPT_LVL3
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#define CYGNUM_HAL_INTERRUPT_PCMCIA_IRQ0    CYGNUM_HAL_INTERRUPT_LVL4
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#define CYGNUM_HAL_INTERRUPT_UIO_IRQ5       CYGNUM_HAL_INTERRUPT_LVL5
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#define CYGNUM_HAL_INTERRUPT_USB1           CYGNUM_HAL_INTERRUPT_LVL6
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#define CYGNUM_HAL_INTERRUPT_UIO_IRQ8       CYGNUM_HAL_INTERRUPT_LVL7
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#define CYGNUM_HAL_INTERRUPT_UIO_IRQ1       CYGNUM_HAL_INTERRUPT_LVL8
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#define CYGNUM_HAL_INTERRUPT_RESERVED1      CYGNUM_HAL_INTERRUPT_LVL9
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#define CYGNUM_HAL_INTERRUPT_PCMCIA_IRQ2    CYGNUM_HAL_INTERRUPT_LVL10
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#define CYGNUM_HAL_INTERRUPT_USB2           CYGNUM_HAL_INTERRUPT_LVL11
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#define CYGNUM_HAL_INTERRUPT_RESERVED2      CYGNUM_HAL_INTERRUPT_LVL12
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#define CYGNUM_HAL_INTERRUPT_SLOT_IRQ5      CYGNUM_HAL_INTERRUPT_LVL13
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#define CYGNUM_HAL_INTERRUPT_UIO_IRQ3       CYGNUM_HAL_INTERRUPT_LVL14
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// Decoded interrupts - these follow the INTC v3 vectors defined in
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// var_intr.h
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#define CYGNUM_HAL_INTERRUPT_PCIA           66
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#define CYGNUM_HAL_INTERRUPT_PCIB           67
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#define CYGNUM_HAL_INTERRUPT_PCIC           68
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#define CYGNUM_HAL_INTERRUPT_PCID           69
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#define CYGNUM_HAL_ISR_PLF_MAX              CYGNUM_HAL_INTERRUPT_PCID
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//----------------------------------------------------------------------------
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// Interrupt configuration extention macros
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#define CYGPRI_HAL_INTERRUPT_UPDATE_LEVEL_PLF(vec, level)                               \
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 case CYGNUM_HAL_INTERRUPT_NMI:                                                         \
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     /* fall through */                                                                 \
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 case CYGNUM_HAL_INTERRUPT_LVL0 ... CYGNUM_HAL_INTERRUPT_LVL14:                         \
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     /* Cannot change levels */                                                         \
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     break;                                                                             \
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 case CYGNUM_HAL_INTERRUPT_PCIA ... CYGNUM_HAL_INTERRUPT_PCID:                          \
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  {                                                                                     \
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      cyg_uint32 msk;                                                                   \
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      HAL_READ_UINT32(CYGARC_REG_SD0001_INT_ENABLE, msk);                               \
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      msk &= ~(CYGARC_REG_SD0001_INT_INTA << ((vec) - CYGNUM_HAL_INTERRUPT_PCIA));      \
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      msk |= CYGARC_REG_SD0001_INT_EN;                                                  \
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      if ((level))                                                                      \
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          msk |= CYGARC_REG_SD0001_INT_INTA << ((vec) - CYGNUM_HAL_INTERRUPT_PCIA);     \
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      HAL_WRITE_UINT32(CYGARC_REG_SD0001_INT_ENABLE, msk);                              \
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      break;                                                                            \
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  }
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#define CYGPRI_HAL_INTERRUPT_ACKNOWLEDGE_PLF(vec)                                       \
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  CYG_MACRO_START                                                                       \
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  if (vec >= CYGNUM_HAL_INTERRUPT_PCIA && vec <= CYGNUM_HAL_INTERRUPT_PCID) {           \
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      cyg_uint32 sts = CYGARC_REG_SD0001_INT_INTA << (vec - CYGNUM_HAL_INTERRUPT_PCIA); \
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      HAL_WRITE_UINT32(CYGARC_REG_SD0001_INT_STS1, sts);                                \
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  }                                                                                     \
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  CYG_MACRO_END
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//----------------------------------------------------------------------------
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// Reset.
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// Block interrupts and cause an exception. This forces a reset.
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#define HAL_PLATFORM_RESET() \
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    asm volatile ("ldc %0,sr;trapa #0x00;" : : "r" (CYGARC_REG_SR_BL))
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#define HAL_PLATFORM_RESET_ENTRY 0x80000000
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//--------------------------------------------------------------------------
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#endif // ifndef CYGONCE_HAL_PLF_INTR_H
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// End of plf_intr.h

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