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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 Free Software Foundation, 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
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY 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
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public 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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