Mercurial > ecos
diff packages/hal/arm/cma230/current/include/hal_platform_extras.h @ 58:6e51d764f8f1 ecos-sw-1999-12-10
Merge from eCos master repository on 1999-12-10-07:47:04-GMT
| author | jlarmour |
|---|---|
| date | Fri, 10 Dec 1999 15:30:44 +0000 |
| parents | |
| children | c38311975d4f |
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new file mode 100644 --- /dev/null +++ b/packages/hal/arm/cma230/current/include/hal_platform_extras.h @@ -0,0 +1,154 @@ +#ifndef CYGONCE_HAL_PLATFORM_EXTRAS_H +#define CYGONCE_HAL_PLATFORM_EXTRAS_H + +/*============================================================================= +// +// hal_platform_extras.h +// +// Platform specific support for HAL (assembly code) +// +//============================================================================= +//####COPYRIGHTBEGIN#### +// +// ------------------------------------------- +// The contents of this file are subject to the Cygnus eCos Public License +// Version 1.0 (the "License"); you may not use this file except in +// compliance with the License. You may obtain a copy of the License at +// http://sourceware.cygnus.com/ecos +// +// Software distributed under the License is distributed on an "AS IS" +// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the +// License for the specific language governing rights and limitations under +// the License. +// +// The Original Code is eCos - Embedded Cygnus Operating System, released +// September 30, 1998. +// +// The Initial Developer of the Original Code is Cygnus. Portions created +// by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved. +// ------------------------------------------- +// +//####COPYRIGHTEND#### +//============================================================================= +//#####DESCRIPTIONBEGIN#### +// +// Author(s): gthomas +// Contributors: gthomas, msalter +// Date: 1999-12-02 +// Purpose: Cogent CMA222 platform extras, in particular MMU tables +// Description: +// Usage: #include <cyg/hal/hal_platform_extras.h> +// +//####DESCRIPTIONEND#### +// +//===========================================================================*/ + + .section ".mmu_tables","aw" + +#define NEXT_PAGE \ + .long PTE ; \ + .set PTE,PTE+MMU_PAGE_SIZE + +_PT_0x0: + .set PTE,DRAM_PA_START|MMU_L2_TYPE_Small\ + |MMU_AP_Any|MMU_Bufferable|MMU_Cacheable + .rept (0x2000000)/0x1000 + NEXT_PAGE + .endr + .balign 0x0400 + +// Too bad these macros don't work ['as' bug?] :-( + +#define NEXT_SECTION \ + .long PTE+OFF ;\ + .set OFF,OFF+(MMU_SECTION_SIZE/MMU_PAGE_SIZE)*4 + +#define FILL_SEGMENT_(base) \ + .set PTE,base \ + .set OFF,0x00000000 \ + .rept 0x10000000/MMU_SECTION_SIZE \ + NEXT_SECTION \ + .endr + +#define OFF ((MMU_SECTION_SIZE/MMU_PAGE_SIZE)*4) + +#define FILL_8M_SEGMENT(base,seg) \ + .long base+(OFF*(seg+0x00)); \ + .long base+(OFF*(seg+0x01)); \ + .long base+(OFF*(seg+0x02)); \ + .long base+(OFF*(seg+0x03)); \ + .long base+(OFF*(seg+0x04)); \ + .long base+(OFF*(seg+0x05)); \ + .long base+(OFF*(seg+0x06)); \ + .long base+(OFF*(seg+0x07)); \ + .long base+(OFF*(seg+0x08)); + +#define FILL_16M_SEGMENT(base,seg) \ + .long base+(OFF*(seg+0x00)); \ + .long base+(OFF*(seg+0x01)); \ + .long base+(OFF*(seg+0x02)); \ + .long base+(OFF*(seg+0x03)); \ + .long base+(OFF*(seg+0x04)); \ + .long base+(OFF*(seg+0x05)); \ + .long base+(OFF*(seg+0x06)); \ + .long base+(OFF*(seg+0x07)); \ + .long base+(OFF*(seg+0x08)); \ + .long base+(OFF*(seg+0x09)); \ + .long base+(OFF*(seg+0x0A)); \ + .long base+(OFF*(seg+0x0B)); \ + .long base+(OFF*(seg+0x0C)); \ + .long base+(OFF*(seg+0x0D)); \ + .long base+(OFF*(seg+0x0E)); \ + .long base+(OFF*(seg+0x0F)); + +#define FILL_32M_SEGMENT(base,seg) \ + FILL_16M_SEGMENT(base,0x00); \ + FILL_16M_SEGMENT(base,0x10); + +#define FILL_256M_SEGMENT(base) \ + FILL_16M_SEGMENT(base,0x00); \ + FILL_16M_SEGMENT(base,0x10); \ + FILL_16M_SEGMENT(base,0x20); \ + FILL_16M_SEGMENT(base,0x30); \ + FILL_16M_SEGMENT(base,0x40); \ + FILL_16M_SEGMENT(base,0x50); \ + FILL_16M_SEGMENT(base,0x60); \ + FILL_16M_SEGMENT(base,0x70); \ + FILL_16M_SEGMENT(base,0x80); \ + FILL_16M_SEGMENT(base,0x90); \ + FILL_16M_SEGMENT(base,0xA0); \ + FILL_16M_SEGMENT(base,0xB0); \ + FILL_16M_SEGMENT(base,0xC0); \ + FILL_16M_SEGMENT(base,0xD0); \ + FILL_16M_SEGMENT(base,0xE0); \ + FILL_16M_SEGMENT(base,0xF0); + + .balign 0x4000 +_MMU_table: + FILL_32M_SEGMENT(_PT_0x0+MMU_L1_TYPE_Page,0x00) + FILL_32M_SEGMENT(MMU_L1_TYPE_Fault,0x00) + FILL_32M_SEGMENT(PCIMEM_PA|MMU_L1_TYPE_Section|MMU_AP_Any) + FILL_32M_SEGMENT(MMU_L1_TYPE_Fault,0x00) + FILL_32M_SEGMENT(MMU_L1_TYPE_Fault,0x00) + FILL_32M_SEGMENT(MMU_L1_TYPE_Fault,0x00) + FILL_32M_SEGMENT(MMU_L1_TYPE_Fault,0x00) + FILL_8M_SEGMENT(ROM_PA|MMU_L1_TYPE_Section|MMU_AP_Any) + FILL_16M_SEGMENT(MBIO_PA|MMU_L1_TYPE_Section|MMU_AP_Any) + FILL_8M_SEGMENT(FLASH_PA|MMU_L1_TYPE_Section|MMU_AP_Any) + FILL_256M_SEGMENT(MMU_L1_TYPE_Fault) + FILL_256M_SEGMENT(MMU_L1_TYPE_Fault) + FILL_256M_SEGMENT(MMU_L1_TYPE_Fault) + FILL_256M_SEGMENT(MMU_L1_TYPE_Fault) + FILL_256M_SEGMENT(MMU_L1_TYPE_Fault) + FILL_256M_SEGMENT(MMU_L1_TYPE_Fault) + FILL_256M_SEGMENT(MMU_L1_TYPE_Fault) + FILL_256M_SEGMENT(MMU_L1_TYPE_Fault) + FILL_256M_SEGMENT(MMU_L1_TYPE_Fault) + FILL_256M_SEGMENT(MMU_L1_TYPE_Fault) + FILL_256M_SEGMENT(MMU_L1_TYPE_Fault) + FILL_256M_SEGMENT(MMU_L1_TYPE_Fault) + FILL_256M_SEGMENT(MMU_L1_TYPE_Fault) + FILL_256M_SEGMENT(MMU_L1_TYPE_Fault) + FILL_256M_SEGMENT(MMU_L1_TYPE_Fault) + +#endif // CYGONCE_HAL_PLATFORM_EXTRAS_H