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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [arm/] [cma230/] [v2_0/] [include/] [hal_platform_extras.h] - Blame information for rev 773

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#ifndef CYGONCE_HAL_PLATFORM_EXTRAS_H
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#define CYGONCE_HAL_PLATFORM_EXTRAS_H
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/*=============================================================================
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//
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//      hal_platform_extras.h
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//
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//      Platform specific support for HAL (assembly code)
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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):    gthomas
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// Contributors: gthomas, msalter
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// Date:         1999-12-02
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// Purpose:      Cogent CMA222 platform extras, in particular MMU tables
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// Description:
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// Usage:       #include <cyg/hal/hal_platform_extras.h>
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//
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//####DESCRIPTIONEND####
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//
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//===========================================================================*/
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        .section ".mmu_tables","aw"
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#define NEXT_PAGE                \
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        .long   PTE                     ; \
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        .set    PTE,PTE+MMU_PAGE_SIZE
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_PT_0x0:
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        .set    PTE,DRAM_PA_START|MMU_L2_TYPE_Small\
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                    |MMU_AP_Any|MMU_Bufferable|MMU_Cacheable
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        .rept   (0x2000000)/0x1000
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        NEXT_PAGE
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        .endr
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        .balign 0x0400
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// Too bad these macros don't work ['as' bug?] :-(
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#define NEXT_SECTION                                            \
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        .long   PTE+OFF                                        ;\
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        .set    OFF,OFF+(MMU_SECTION_SIZE/MMU_PAGE_SIZE)*4
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#define FILL_SEGMENT_(base)                     \
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        .set    PTE,base                        \
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        .set    OFF,0x00000000                  \
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        .rept   0x10000000/MMU_SECTION_SIZE     \
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            NEXT_SECTION                        \
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        .endr
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#define OFF     ((MMU_SECTION_SIZE/MMU_PAGE_SIZE)*4)
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#define FILL_8M_SEGMENT(base,seg)               \
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        .long   base+(OFF*(seg+0x00));          \
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        .long   base+(OFF*(seg+0x01));          \
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        .long   base+(OFF*(seg+0x02));          \
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        .long   base+(OFF*(seg+0x03));          \
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        .long   base+(OFF*(seg+0x04));          \
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        .long   base+(OFF*(seg+0x05));          \
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        .long   base+(OFF*(seg+0x06));          \
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        .long   base+(OFF*(seg+0x07));          \
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        .long   base+(OFF*(seg+0x08));
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#define FILL_16M_SEGMENT(base,seg)              \
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        .long   base+(OFF*(seg+0x00));          \
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        .long   base+(OFF*(seg+0x01));          \
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        .long   base+(OFF*(seg+0x02));          \
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        .long   base+(OFF*(seg+0x03));          \
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        .long   base+(OFF*(seg+0x04));          \
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        .long   base+(OFF*(seg+0x05));          \
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        .long   base+(OFF*(seg+0x06));          \
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        .long   base+(OFF*(seg+0x07));          \
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        .long   base+(OFF*(seg+0x08));          \
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        .long   base+(OFF*(seg+0x09));          \
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        .long   base+(OFF*(seg+0x0A));          \
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        .long   base+(OFF*(seg+0x0B));          \
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        .long   base+(OFF*(seg+0x0C));          \
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        .long   base+(OFF*(seg+0x0D));          \
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        .long   base+(OFF*(seg+0x0E));          \
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        .long   base+(OFF*(seg+0x0F));
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#define FILL_32M_SEGMENT(base,seg)              \
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        FILL_16M_SEGMENT(base,0x00);            \
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        FILL_16M_SEGMENT(base,0x10);
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#define FILL_256M_SEGMENT(base)                 \
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        FILL_16M_SEGMENT(base,0x00);            \
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        FILL_16M_SEGMENT(base,0x10);            \
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        FILL_16M_SEGMENT(base,0x20);            \
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        FILL_16M_SEGMENT(base,0x30);            \
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        FILL_16M_SEGMENT(base,0x40);            \
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        FILL_16M_SEGMENT(base,0x50);            \
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        FILL_16M_SEGMENT(base,0x60);            \
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        FILL_16M_SEGMENT(base,0x70);            \
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        FILL_16M_SEGMENT(base,0x80);            \
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        FILL_16M_SEGMENT(base,0x90);            \
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        FILL_16M_SEGMENT(base,0xA0);            \
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        FILL_16M_SEGMENT(base,0xB0);            \
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        FILL_16M_SEGMENT(base,0xC0);            \
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        FILL_16M_SEGMENT(base,0xD0);            \
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        FILL_16M_SEGMENT(base,0xE0);            \
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        FILL_16M_SEGMENT(base,0xF0);
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        .balign 0x4000
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_MMU_table:
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        FILL_32M_SEGMENT(_PT_0x0+MMU_L1_TYPE_Page,0x00)
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        FILL_32M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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        FILL_32M_SEGMENT(PCIMEM_PA|MMU_L1_TYPE_Section|MMU_AP_Any)
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        FILL_32M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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        FILL_32M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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        FILL_32M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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        FILL_32M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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        FILL_8M_SEGMENT(ROM_PA|MMU_L1_TYPE_Section|MMU_AP_Any)
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        FILL_16M_SEGMENT(MBIO_PA|MMU_L1_TYPE_Section|MMU_AP_Any)
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        FILL_8M_SEGMENT(FLASH_PA|MMU_L1_TYPE_Section|MMU_AP_Any)
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        FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
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        FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
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        FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
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        FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
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        FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
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        FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
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        FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
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        FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
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        FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
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        FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
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        FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
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        FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
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        FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
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        FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
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        FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
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#endif // CYGONCE_HAL_PLATFORM_EXTRAS_H

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