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#ifndef CYGONCE_PLF_IO_H #define CYGONCE_PLF_IO_H //============================================================================= // // plf_io.h // // Platform specific IO support // //============================================================================= //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc. // Copyright (C) 2002 Gary Thomas // // eCos 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 or (at your option) any later version. // // eCos is distributed in the hope that it will be useful, but WITHOUT ANY // WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License along // with eCos; if not, write to the Free Software Foundation, Inc., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. // // As a special exception, if other files instantiate templates or use macros // or inline functions from this file, or you compile this file and link it // with other works to produce a work based on this file, this file does not // by itself cause the resulting work to be covered by the GNU General Public // License. However the source code for this file must still be made available // in accordance with section (3) of the GNU General Public License. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-license/ // ------------------------------------------- //####ECOSGPLCOPYRIGHTEND#### //============================================================================= //#####DESCRIPTIONBEGIN#### // // Author(s): msalter // Contributors: hmt, jskov, msalter // Date: 2000-10-10 // Purpose: Intel IOP310 PCI IO support macros // Description: // Usage: #include <cyg/hal/plf_io.h> // //####DESCRIPTIONEND#### // //============================================================================= // Translate the PCI interrupt requested by the device (INTA#, INTB#, // INTC# or INTD#) to the associated CPU interrupt (i.e., HAL vector). #define HAL_PCI_TRANSLATE_INTERRUPT( __bus, __devfn, __vec, __valid) \ CYG_MACRO_START \ cyg_uint32 __dev = CYG_PCI_DEV_GET_DEV(__devfn); \ cyg_uint32 __fn = CYG_PCI_DEV_GET_FN(__devfn); \ __valid = false; \ if (__bus == (*SBNR_REG + 1) && __dev == 0 && __fn == 0) { \ __vec = CYGNUM_HAL_INTERRUPT_ETHERNET; \ __valid = true; \ } else { \ cyg_uint8 __req; \ HAL_PCI_CFG_READ_UINT8(__bus, __devfn, CYG_PCI_CFG_INT_PIN, __req); \ switch (__dev % 4) { \ case 0: \ switch(__req) { \ case 1: /* INTA */ \ __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTA; __valid=true; break; \ case 2: /* INTB */ \ __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTB; __valid=true; break; \ case 3: /* INTC */ \ __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTC; __valid=true; break; \ case 4: /* INTD */ \ __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTD; __valid=true; break; \ } \ break; \ case 1: \ switch(__req) { \ case 1: /* INTA */ \ __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTB; __valid=true; break; \ case 2: /* INTB */ \ __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTC; __valid=true; break; \ case 3: /* INTC */ \ __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTD; __valid=true; break; \ case 4: /* INTD */ \ __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTA; __valid=true; break; \ } \ break; \ case 2: \ switch(__req) { \ case 1: /* INTA */ \ __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTC; __valid=true; break; \ case 2: /* INTB */ \ __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTD; __valid=true; break; \ case 3: /* INTC */ \ __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTA; __valid=true; break; \ case 4: /* INTD */ \ __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTB; __valid=true; break; \ } \ break; \ case 3: \ switch(__req) { \ case 1: /* INTA */ \ __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTD; __valid=true; break; \ case 2: /* INTB */ \ __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTA; __valid=true; break; \ case 3: /* INTC */ \ __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTB; __valid=true; break; \ case 4: /* INTD */ \ __vec=CYGNUM_HAL_INTERRUPT_PCI_S_INTC; __valid=true; break; \ } \ break; \ } \ } \ CYG_MACRO_END //----------------------------------------------------------------------------- // end of plf_io.h #endif // CYGONCE_PLF_IO_H