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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [arm/] [xscale/] [iq80310/] [v2_0/] [include/] [plf_io.h] - Blame information for rev 174

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#ifndef CYGONCE_PLF_IO_H
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#define CYGONCE_PLF_IO_H
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//=============================================================================
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//
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//      plf_io.h
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//
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//      Platform specific IO 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, 2003 Red Hat, Inc.
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// Copyright (C) 2002 Gary Thomas
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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):    msalter
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// Contributors: hmt, jskov, msalter
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// Date:         2000-10-10
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// Purpose:      Intel IOP310 PCI IO support macros
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// Description: 
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// Usage:        #include <cyg/hal/plf_io.h>
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//
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//####DESCRIPTIONEND####
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//
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//=============================================================================
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// Translate the PCI interrupt requested by the device (INTA#, INTB#,
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// INTC# or INTD#) to the associated CPU interrupt (i.e., HAL vector).
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#define HAL_PCI_TRANSLATE_INTERRUPT( __bus, __devfn, __vec, __valid)          \
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    CYG_MACRO_START                                                           \
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    cyg_uint32 __dev = CYG_PCI_DEV_GET_DEV(__devfn);                          \
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    cyg_uint32 __fn = CYG_PCI_DEV_GET_FN(__devfn);                            \
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    __valid = false;                                                          \
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    if (__bus == (*SBNR_REG + 1) && __dev == 0 && __fn == 0) {                  \
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        __vec = CYGNUM_HAL_INTERRUPT_ETHERNET;                                \
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        __valid = true;                                                       \
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    } else {                                                                  \
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        cyg_uint8 __req;                                                      \
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        HAL_PCI_CFG_READ_UINT8(__bus, __devfn, CYG_PCI_CFG_INT_PIN, __req);   \
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        switch (__dev % 4) {                                                  \
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          case 0:                                                             \
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            switch(__req) {                                                   \
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              case 1: /* INTA */                                              \
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                __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTA; __valid=true; break;   \
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              case 2: /* INTB */                                              \
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                __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTB; __valid=true; break;   \
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              case 3: /* INTC */                                              \
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                __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTC; __valid=true; break;   \
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              case 4: /* INTD */                                              \
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                __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTD; __valid=true; break;   \
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            }                                                                 \
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            break;                                                            \
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          case 1:                                                             \
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            switch(__req) {                                                   \
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              case 1: /* INTA */                                              \
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                __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTB; __valid=true; break;   \
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              case 2: /* INTB */                                              \
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                __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTC; __valid=true; break;   \
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              case 3: /* INTC */                                              \
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                __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTD; __valid=true; break;   \
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              case 4: /* INTD */                                              \
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                __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTA; __valid=true; break;   \
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            }                                                                 \
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            break;                                                            \
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          case 2:                                                             \
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            switch(__req) {                                                   \
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              case 1: /* INTA */                                              \
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                __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTC; __valid=true; break;   \
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              case 2: /* INTB */                                              \
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                __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTD; __valid=true; break;   \
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              case 3: /* INTC */                                              \
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                __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTA; __valid=true; break;   \
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              case 4: /* INTD */                                              \
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                __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTB; __valid=true; break;   \
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            }                                                                 \
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            break;                                                            \
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          case 3:                                                             \
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            switch(__req) {                                                   \
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              case 1: /* INTA */                                              \
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                __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTD; __valid=true; break;   \
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              case 2: /* INTB */                                              \
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                __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTA; __valid=true; break;   \
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              case 3: /* INTC */                                              \
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                __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTB; __valid=true; break;   \
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              case 4: /* INTD */                                              \
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                __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTC; __valid=true; break;   \
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            }                                                                 \
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            break;                                                            \
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        }                                                                     \
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    }                                                                         \
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    CYG_MACRO_END
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//-----------------------------------------------------------------------------
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// end of plf_io.h
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#endif // CYGONCE_PLF_IO_H

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