| 1 |
786 |
skrzyp |
#ifndef CYGONCE_HAL_PLATFORM_EXTRAS_H
|
| 2 |
|
|
#define CYGONCE_HAL_PLATFORM_EXTRAS_H
|
| 3 |
|
|
|
| 4 |
|
|
/*=============================================================================
|
| 5 |
|
|
//
|
| 6 |
|
|
// hal_platform_extras.h
|
| 7 |
|
|
//
|
| 8 |
|
|
// Platform specific support for HAL (assembly code)
|
| 9 |
|
|
//
|
| 10 |
|
|
//=============================================================================
|
| 11 |
|
|
// ####ECOSGPLCOPYRIGHTBEGIN####
|
| 12 |
|
|
// -------------------------------------------
|
| 13 |
|
|
// This file is part of eCos, the Embedded Configurable Operating System.
|
| 14 |
|
|
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
|
| 15 |
|
|
//
|
| 16 |
|
|
// eCos is free software; you can redistribute it and/or modify it under
|
| 17 |
|
|
// the terms of the GNU General Public License as published by the Free
|
| 18 |
|
|
// Software Foundation; either version 2 or (at your option) any later
|
| 19 |
|
|
// version.
|
| 20 |
|
|
//
|
| 21 |
|
|
// eCos is distributed in the hope that it will be useful, but WITHOUT
|
| 22 |
|
|
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
| 23 |
|
|
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
| 24 |
|
|
// for more details.
|
| 25 |
|
|
//
|
| 26 |
|
|
// You should have received a copy of the GNU General Public License
|
| 27 |
|
|
// along with eCos; if not, write to the Free Software Foundation, Inc.,
|
| 28 |
|
|
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
| 29 |
|
|
//
|
| 30 |
|
|
// As a special exception, if other files instantiate templates or use
|
| 31 |
|
|
// macros or inline functions from this file, or you compile this file
|
| 32 |
|
|
// and link it with other works to produce a work based on this file,
|
| 33 |
|
|
// this file does not by itself cause the resulting work to be covered by
|
| 34 |
|
|
// the GNU General Public License. However the source code for this file
|
| 35 |
|
|
// must still be made available in accordance with section (3) of the GNU
|
| 36 |
|
|
// General Public License v2.
|
| 37 |
|
|
//
|
| 38 |
|
|
// This exception does not invalidate any other reasons why a work based
|
| 39 |
|
|
// on this file might be covered by the GNU General Public License.
|
| 40 |
|
|
// -------------------------------------------
|
| 41 |
|
|
// ####ECOSGPLCOPYRIGHTEND####
|
| 42 |
|
|
//=============================================================================
|
| 43 |
|
|
//#####DESCRIPTIONBEGIN####
|
| 44 |
|
|
//
|
| 45 |
|
|
// Author(s): gthomas
|
| 46 |
|
|
// Contributors: gthomas, msalter
|
| 47 |
|
|
// Date: 1999-12-02
|
| 48 |
|
|
// Purpose: Cogent CMA222 platform extras, in particular MMU tables
|
| 49 |
|
|
// Description:
|
| 50 |
|
|
// Usage: #include <cyg/hal/hal_platform_extras.h>
|
| 51 |
|
|
//
|
| 52 |
|
|
//####DESCRIPTIONEND####
|
| 53 |
|
|
//
|
| 54 |
|
|
//===========================================================================*/
|
| 55 |
|
|
|
| 56 |
|
|
.section ".mmu_tables","aw"
|
| 57 |
|
|
|
| 58 |
|
|
#define NEXT_PAGE \
|
| 59 |
|
|
.long PTE ; \
|
| 60 |
|
|
.set PTE,PTE+MMU_PAGE_SIZE
|
| 61 |
|
|
|
| 62 |
|
|
_PT_0x0:
|
| 63 |
|
|
.set PTE,DRAM_PA_START|MMU_L2_TYPE_Small\
|
| 64 |
|
|
|MMU_AP_Any|MMU_Bufferable|MMU_Cacheable
|
| 65 |
|
|
.rept (0x2000000)/0x1000
|
| 66 |
|
|
NEXT_PAGE
|
| 67 |
|
|
.endr
|
| 68 |
|
|
.balign 0x0400
|
| 69 |
|
|
|
| 70 |
|
|
// Too bad these macros don't work ['as' bug?] :-(
|
| 71 |
|
|
|
| 72 |
|
|
#define NEXT_SECTION \
|
| 73 |
|
|
.long PTE+OFF ;\
|
| 74 |
|
|
.set OFF,OFF+(MMU_SECTION_SIZE/MMU_PAGE_SIZE)*4
|
| 75 |
|
|
|
| 76 |
|
|
#define FILL_SEGMENT_(base) \
|
| 77 |
|
|
.set PTE,base \
|
| 78 |
|
|
.set OFF,0x00000000 \
|
| 79 |
|
|
.rept 0x10000000/MMU_SECTION_SIZE \
|
| 80 |
|
|
NEXT_SECTION \
|
| 81 |
|
|
.endr
|
| 82 |
|
|
|
| 83 |
|
|
#define OFF ((MMU_SECTION_SIZE/MMU_PAGE_SIZE)*4)
|
| 84 |
|
|
|
| 85 |
|
|
#define FILL_8M_SEGMENT(base,seg) \
|
| 86 |
|
|
.long base+(OFF*(seg+0x00)); \
|
| 87 |
|
|
.long base+(OFF*(seg+0x01)); \
|
| 88 |
|
|
.long base+(OFF*(seg+0x02)); \
|
| 89 |
|
|
.long base+(OFF*(seg+0x03)); \
|
| 90 |
|
|
.long base+(OFF*(seg+0x04)); \
|
| 91 |
|
|
.long base+(OFF*(seg+0x05)); \
|
| 92 |
|
|
.long base+(OFF*(seg+0x06)); \
|
| 93 |
|
|
.long base+(OFF*(seg+0x07)); \
|
| 94 |
|
|
.long base+(OFF*(seg+0x08));
|
| 95 |
|
|
|
| 96 |
|
|
#define FILL_16M_SEGMENT(base,seg) \
|
| 97 |
|
|
.long base+(OFF*(seg+0x00)); \
|
| 98 |
|
|
.long base+(OFF*(seg+0x01)); \
|
| 99 |
|
|
.long base+(OFF*(seg+0x02)); \
|
| 100 |
|
|
.long base+(OFF*(seg+0x03)); \
|
| 101 |
|
|
.long base+(OFF*(seg+0x04)); \
|
| 102 |
|
|
.long base+(OFF*(seg+0x05)); \
|
| 103 |
|
|
.long base+(OFF*(seg+0x06)); \
|
| 104 |
|
|
.long base+(OFF*(seg+0x07)); \
|
| 105 |
|
|
.long base+(OFF*(seg+0x08)); \
|
| 106 |
|
|
.long base+(OFF*(seg+0x09)); \
|
| 107 |
|
|
.long base+(OFF*(seg+0x0A)); \
|
| 108 |
|
|
.long base+(OFF*(seg+0x0B)); \
|
| 109 |
|
|
.long base+(OFF*(seg+0x0C)); \
|
| 110 |
|
|
.long base+(OFF*(seg+0x0D)); \
|
| 111 |
|
|
.long base+(OFF*(seg+0x0E)); \
|
| 112 |
|
|
.long base+(OFF*(seg+0x0F));
|
| 113 |
|
|
|
| 114 |
|
|
#define FILL_32M_SEGMENT(base,seg) \
|
| 115 |
|
|
FILL_16M_SEGMENT(base,0x00); \
|
| 116 |
|
|
FILL_16M_SEGMENT(base,0x10);
|
| 117 |
|
|
|
| 118 |
|
|
#define FILL_256M_SEGMENT(base) \
|
| 119 |
|
|
FILL_16M_SEGMENT(base,0x00); \
|
| 120 |
|
|
FILL_16M_SEGMENT(base,0x10); \
|
| 121 |
|
|
FILL_16M_SEGMENT(base,0x20); \
|
| 122 |
|
|
FILL_16M_SEGMENT(base,0x30); \
|
| 123 |
|
|
FILL_16M_SEGMENT(base,0x40); \
|
| 124 |
|
|
FILL_16M_SEGMENT(base,0x50); \
|
| 125 |
|
|
FILL_16M_SEGMENT(base,0x60); \
|
| 126 |
|
|
FILL_16M_SEGMENT(base,0x70); \
|
| 127 |
|
|
FILL_16M_SEGMENT(base,0x80); \
|
| 128 |
|
|
FILL_16M_SEGMENT(base,0x90); \
|
| 129 |
|
|
FILL_16M_SEGMENT(base,0xA0); \
|
| 130 |
|
|
FILL_16M_SEGMENT(base,0xB0); \
|
| 131 |
|
|
FILL_16M_SEGMENT(base,0xC0); \
|
| 132 |
|
|
FILL_16M_SEGMENT(base,0xD0); \
|
| 133 |
|
|
FILL_16M_SEGMENT(base,0xE0); \
|
| 134 |
|
|
FILL_16M_SEGMENT(base,0xF0);
|
| 135 |
|
|
|
| 136 |
|
|
.balign 0x4000
|
| 137 |
|
|
_MMU_table:
|
| 138 |
|
|
FILL_32M_SEGMENT(_PT_0x0+MMU_L1_TYPE_Page,0x00)
|
| 139 |
|
|
FILL_32M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
|
| 140 |
|
|
FILL_32M_SEGMENT(PCIMEM_PA|MMU_L1_TYPE_Section|MMU_AP_Any)
|
| 141 |
|
|
FILL_32M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
|
| 142 |
|
|
FILL_32M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
|
| 143 |
|
|
FILL_32M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
|
| 144 |
|
|
FILL_32M_SEGMENT(MMU_L1_TYPE_Fault,0x00)
|
| 145 |
|
|
FILL_8M_SEGMENT(ROM_PA|MMU_L1_TYPE_Section|MMU_AP_Any)
|
| 146 |
|
|
FILL_16M_SEGMENT(MBIO_PA|MMU_L1_TYPE_Section|MMU_AP_Any)
|
| 147 |
|
|
FILL_8M_SEGMENT(FLASH_PA|MMU_L1_TYPE_Section|MMU_AP_Any)
|
| 148 |
|
|
FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
|
| 149 |
|
|
FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
|
| 150 |
|
|
FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
|
| 151 |
|
|
FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
|
| 152 |
|
|
FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
|
| 153 |
|
|
FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
|
| 154 |
|
|
FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
|
| 155 |
|
|
FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
|
| 156 |
|
|
FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
|
| 157 |
|
|
FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
|
| 158 |
|
|
FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
|
| 159 |
|
|
FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
|
| 160 |
|
|
FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
|
| 161 |
|
|
FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
|
| 162 |
|
|
FILL_256M_SEGMENT(MMU_L1_TYPE_Fault)
|
| 163 |
|
|
|
| 164 |
|
|
#endif // CYGONCE_HAL_PLATFORM_EXTRAS_H
|
