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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [arm/] [xscale/] [iq80321/] [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 MMU table.
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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):    msalter
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// Contributors: msalter
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// Date:         2001-12-03
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// Purpose:      Intel XScale IQ80321 platform specific mmu table
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// Description:
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// Usage:        #include <cyg/hal/hal_platform_extras.h>
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//     Only used by "vectors.S"
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//
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//####DESCRIPTIONEND####
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//
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//===========================================================================*/
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#if defined(CYG_HAL_STARTUP_ROM)
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        .section .mmu_tables, "a"
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#ifdef CYG_HAL_MEMORY_MAP_NORMAL
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    mmu_table:
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        //  This page table sets up the preferred mapping:
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        //
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        //  Virtual Address   Physical Address  Size (MB)  Description
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        //  ---------------   ----------------  ---------  -----------
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        //     0x00000000       0xA0000000         512     DRAM
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        //     0x20000000       0x00000000        2048     ATU Outbound Direct
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        //     0xA0000000       0x80000000         257     ATU Outbound Xlate
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        //     0xB0100000       0x90100000         255     Unused
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        //     0xC0000000       0xA0000000         512     Uncached DRAM alias
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        //     0xE0000000       0xE0000000           1     Cache Flush
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        //     0xE0100000       0xE0100000         255     Unused
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        //     0xF0000000       0xF0000000           8     FLASH (PBIU CS0)
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        //     0xF0800000       0xF0800000         224     Unused
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        //     0xFE800000       0xFE800000           1     PBIU CS1-CS5
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        //     0xFE900000       0xFE900000          22     Unused
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        //     0xFFF00000       0xFFF00000           1     Verde PMMR
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        // 512MB ECC DRAM
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        // In flash based table: X=1, C=1, B=1, ECC
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        .set    __base,0xA00
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        .rept   0x200 - 0x000
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        FL_SECTION_ENTRY __base,1,3,1,0,1,1
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        .set    __base,__base+1
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        .endr
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        // 2048MB ATU Outbound direct
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        // X=0, Non-cacheable, Non-bufferable
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        .set    __base,0x000
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        .rept   0xA00 - 0x200
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        FL_SECTION_ENTRY __base,0,3,0,0,0,0
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        .set    __base,__base+1
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        .endr
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        // 257MB ATU Outbound translation
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        // X=0, Non-cacheable, Non-bufferable
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        .rept   0xB01 - 0xA00
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        FL_SECTION_ENTRY __base,0,3,0,0,0,0
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        .set    __base,__base+1
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        .endr
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        // Nothing here
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        .rept   0xC00 - 0xB01
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        FL_SECTION_ENTRY __base,0,0,0,0,0,0
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        .set    __base,__base+1
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        .endr
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        // Uncached/unbuffered alias for 512MB ECC DRAM
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        .set    __base,0xA00
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        .rept   0xE00 - 0xC00
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        FL_SECTION_ENTRY __base,0,3,1,0,0,0
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        .set    __base,__base+1
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        .endr
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        // Cache flush region.
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        // Don't need physical memory, just a cached area.
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        .set    __base,0xE00
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        .rept   0xE01 - 0xE00
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        FL_SECTION_ENTRY __base,1,3,0,0,1,1
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        .set    __base,__base+1
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        .endr
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        // Nothing here
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        .rept   0xF00 - 0xE01
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        FL_SECTION_ENTRY __base,0,0,0,0,0,0
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        .set    __base,__base+1
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        .endr
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        // 8MB of FLASH
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        // X=0, Cacheable, Non-bufferable
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        .rept   0xF08 - 0xF00
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        FL_SECTION_ENTRY __base,0,3,0,0,1,0
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        .set    __base,__base+1
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        .endr
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        // Nothing here
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        .rept   0xFE8 - 0xF08
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        FL_SECTION_ENTRY __base,0,0,0,0,0,0
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        .set    __base,__base+1
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        .endr
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        // PBIU CS1 - CS5
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        // X=0, Non-cacheable, Non-bufferable
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        .rept   0xFE9 - 0xFE8
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        FL_SECTION_ENTRY __base,0,3,0,0,0,0
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        .set    __base,__base+1
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        .endr
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        // Nothing here
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        .rept   0xFFF - 0xFE9
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        FL_SECTION_ENTRY __base,0,0,0,0,0,0
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        .set    __base,__base+1
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        .endr
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        // Verde PMMR
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        // X=0, Non-cacheable, Non-bufferable
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        .rept   0x1000 - 0xFFF
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        FL_SECTION_ENTRY __base,0,3,0,0,0,0
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        .set    __base,__base+1
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        .endr
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#else  /* CYG_HAL_MEMORY_MAP_NORMAL */
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    mmu_table:
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        //  This page table sets up an alternate mapping:
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        //
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        //  Virtual Address   Physical Address  Size (MB)  Description
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        //  ---------------   ----------------  ---------  -----------
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        //     0x00000000       0xA0000000           1     DRAM
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        //     0x00100000       0x00100000        2047     ATU Outbound Direct
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        //     0x80000000       0x80000000         257     ATU Outbound Xlate
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        //     0x90100000       0x90100000         255     Invalid
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        //     0xA0000000       0xA0000000         512     DRAM
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        //     0xC0000000       0xA0000000         512     Uncached DRAM alias
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        //     0xE0000000       0xE0000000           1     Cache Flush
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        //     0xE0100000       0xE0100000         255     Invalid
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        //     0xF0000000       0xF0000000           8     FLASH (PBIU CS0)
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        //     0xF0800000       0xF0800000         224     Invalid
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        //     0xFE800000       0xFE800000           1     PBIU CS1-CS5
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        //     0xFE900000       0xFE900000          22     Invalid
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        //     0xFFF00000       0xFFF00000           1     Verde PMMR
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        // 1MB ECC DRAM
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        // This is a duplicate mapping of the first MB of RAM. It is mapped
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        // here for CPU exception vectors.
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        .set    __base,0xA00
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        .rept   0x001 - 0x000
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        FL_SECTION_ENTRY __base,1,3,1,0,1,1
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        .set    __base,__base+1
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        .endr
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        .set    __base,0x001
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        // 2047MB ATU Outbound direct
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        // X=0, Non-cacheable, Non-bufferable
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        .rept   0x800 - 0x001
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        FL_SECTION_ENTRY __base,0,3,0,0,0,0
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        .set    __base,__base+1
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        .endr
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        // 257MB ATU Outbound translation
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        // X=0, Non-cacheable, Non-bufferable
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        .rept   0x901 - 0x800
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        FL_SECTION_ENTRY __base,0,3,0,0,0,0
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        .set    __base,__base+1
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        .endr
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        // Nothing here. Invalid.
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        .rept   0xA00 - 0x901
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        FL_SECTION_ENTRY __base,0,0,0,0,0,0
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        .set    __base,__base+1
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        .endr
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        // 512MB ECC DRAM
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        // X=1, C=1, B=1, ECC
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        .rept   0xC00 - 0xA00
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        FL_SECTION_ENTRY __base,1,3,1,0,1,1
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        .set    __base,__base+1
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        .endr
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219
        // Uncached/unbuffered alias for 512MB ECC DRAM
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        .set    __base,0xA00
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        .rept   0xE00 - 0xC00
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        FL_SECTION_ENTRY __base,0,3,1,0,0,0
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        .set    __base,__base+1
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        .endr
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        // Cache flush region.
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        // Don't need physical memory, just a cached area.
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        .set    __base,0xE00
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        .rept   0xE01 - 0xE00
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        FL_SECTION_ENTRY __base,1,3,0,0,1,1
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        .set    __base,__base+1
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        .endr
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        // Nothing here
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        .rept   0xF00 - 0xE01
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        FL_SECTION_ENTRY __base,0,0,0,0,0,0
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        .set    __base,__base+1
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        .endr
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        // 8MB of FLASH
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        // X=0, Cacheable, Non-bufferable
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        .rept   0xF08 - 0xF00
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        FL_SECTION_ENTRY __base,0,3,0,0,1,0
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        .set    __base,__base+1
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        .endr
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        // Nothing here
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        .rept   0xFE8 - 0xF08
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        FL_SECTION_ENTRY __base,0,0,0,0,0,0
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        .set    __base,__base+1
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        .endr
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        // PBIU CS1 - CS5
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        // X=0, Non-cacheable, Non-bufferable
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        .rept   0xFE9 - 0xFE8
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        FL_SECTION_ENTRY __base,0,3,0,0,0,0
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        .set    __base,__base+1
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        .endr
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260
        // Nothing here
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        .rept   0xFFF - 0xFE9
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        FL_SECTION_ENTRY __base,0,0,0,0,0,0
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        .set    __base,__base+1
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        .endr
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266
        // Verde PMMR
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        // X=0, Non-cacheable, Non-bufferable
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        .rept   0x1000 - 0xFFF
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        FL_SECTION_ENTRY __base,0,3,0,0,0,0
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        .set    __base,__base+1
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        .endr
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#endif /* CYG_HAL_MEMORY_MAP_NORMAL */
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274
 
275
#endif /* CYG_HAL_STARTUP_ROM */
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277
/*---------------------------------------------------------------------------*/
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/* end of hal_platform_setup.h                                               */
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#endif /* CYGONCE_HAL_PLATFORM_SETUP_H */

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