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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
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// Date: 1999-11-23
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// Purpose: Cirrus EDB7XXX 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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#if (CYGHWR_HAL_ARM_EDB7XXX_DRAM_SIZE == 2)
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#err Static MMU tables not yet available for 2M boards.
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#elif (CYGHWR_HAL_ARM_EDB7XXX_DRAM_SIZE == 16)
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.set PTE,(DRAM_PA_START+LCD_BUFFER_SIZE)|MMU_L2_TYPE_Small\
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|MMU_AP_Any|MMU_Bufferable|MMU_Cacheable
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.rept (0x800000-LCD_BUFFER_SIZE)/0x1000
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NEXT_PAGE
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.endr
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.set PTE,(DRAM_PA_START+0x01000000)|MMU_L2_TYPE_Small\
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|MMU_AP_Any|MMU_Bufferable|MMU_Cacheable
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.rept 0x800000/0x1000
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NEXT_PAGE
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.endr
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#endif
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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_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_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_16M_SEGMENT(_PT_0x0-0xE0000000+MMU_L1_TYPE_Page,0x00)
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FILL_16M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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FILL_16M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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FILL_16M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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FILL_16M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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FILL_16M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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FILL_16M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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FILL_16M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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FILL_16M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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FILL_16M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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FILL_16M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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FILL_16M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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FILL_16M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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FILL_16M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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FILL_16M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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FILL_16M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
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FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
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FILL_256M_SEGMENT(EXPANSION2_PA|MMU_L1_TYPE_Section|MMU_AP_Any)
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FILL_256M_SEGMENT(EXPANSION3_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(SRAM_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(IO_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(DRAM_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(ROM0_PA|MMU_L1_TYPE_Section|MMU_AP_Any)
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FILL_256M_SEGMENT(ROM1_PA|MMU_L1_TYPE_Section|MMU_AP_Any)
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#endif // CYGONCE_HAL_PLATFORM_EXTRAS_H
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