Mercurial > ecos
view packages/hal/sh/cq7750/current/include/platform.inc @ 208:e0c0827131d1 ecos
Merge from eCos master repository on 2002-05-20-20:11:54-BST
| author | jlarmour |
|---|---|
| date | Mon, 20 May 2002 22:19:26 +0000 |
| parents | 42f843b391aa |
| children | d2c90368aeef |
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#ifndef CYGONCE_HAL_PLATFORM_INC #define CYGONCE_HAL_PLATFORM_INC ##============================================================================= ## ## platform.inc ## ## SH/CQ7750 board assembler header file ## ##============================================================================= #####ECOSGPLCOPYRIGHTBEGIN#### # ------------------------------------------- # This file is part of eCos, the Embedded Configurable Operating System. # Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. # # eCos is free software; you can redistribute it and/or modify it under # the terms of the GNU General Public License as published by the Free # Software Foundation; either version 2 or (at your option) any later version. # # eCos is distributed in the hope that it will be useful, but WITHOUT ANY # WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License # for more details. # # You should have received a copy of the GNU General Public License along # with eCos; if not, write to the Free Software Foundation, Inc., # 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. # # As a special exception, if other files instantiate templates or use macros # or inline functions from this file, or you compile this file and link it # with other works to produce a work based on this file, this file does not # by itself cause the resulting work to be covered by the GNU General Public # License. However the source code for this file must still be made available # in accordance with section (3) of the GNU General Public License. # # This exception does not invalidate any other reasons why a work based on # this file might be covered by the GNU General Public License. # # Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. # at http://sources.redhat.com/ecos/ecos-license # ------------------------------------------- #####ECOSGPLCOPYRIGHTEND#### ##============================================================================= #######DESCRIPTIONBEGIN#### ## ## Author(s): jskov ## Contributors:Ryozaburo Suzuki ## Date: 2000-04-18 ## Purpose: SH/CQ7750 board definitions. ## Description: This file contains various definitions and macros that are ## useful for writing assembly code for the SH/CQ7750 board. ## Usage: ## #include <cyg/hal/platform.inc> ## ... ## ## ######DESCRIPTIONEND#### ## ##============================================================================= #include <pkgconf/hal.h> #include <cyg/hal/sh_offsets.inc> #include <cyg/hal/sh_regs.h> #------------------------------------------------------------------------------ # Hardware initialization. .macro hal_hardware_init // Set up the Bus State Controller mova BSC_settings_table,r0 mov r0,r3 1: mov.l @r3+,r0 // Address (or zero) mov r0,r2 cmp/eq #0,r0 bt 4f mov.l @r3+,r1 // data mov.l @r3+,r0 // byte or word or long? cmp/eq #0,r0 // byte bt 2f cmp/eq #1,r0 // word bt 3f bra 1b // long mov.l r1,@r2 // delay slot 2: bra 1b mov.b r1,@r2 // delay slot 3: bra 1b mov.w r1,@r2 // delay slot .align 2 BSC_settings_table: # FRQCR: .long CYGARC_REG_FRQCR .long CYGARC_REG_FRQCR_INIT .long 2 # BCR1: .long CYGARC_REG_BCR1 .long 0x0020000c .long 2 # BCR2: .long CYGARC_REG_BCR2 .long 0x35F8 .long 1 # WCR1: .long CYGARC_REG_WCR1 .long 0x77117121 .long 2 # WCR2: .long CYGARC_REG_WCR2 .long 0xFC8AE520 .long 2 # WCR3: .long CYGARC_REG_WCR3 .long 0x07117101 .long 2 # PCR: .long CYGARC_REG_PCR .long 0x0000 .long 1 # RTCNT: .long CYGARC_REG_RTCNT .long 0xa500 .long 1 # RTCOR: .long CYGARC_REG_RTCOR .long 0xa53b .long 1 # RFCR: .long CYGARC_REG_RFCR .long 0xa400 .long 1 # RTCSR: .long CYGARC_REG_RTCSR .long 0xa508 .long 1 # MCR: .long CYGARC_REG_MCR .long 0x10192194 .long 2 # SDMR2: .long 0xFF90008c .long 0xaa .long 0 # MCR: .long CYGARC_REG_MCR .long 0x50192194 .long 2 # SDMR2: .long 0xFF90008c .long 0xaa .long 0 # Table end .long 0 .align 2 4: .endm #------------------------------------------------------------------------------ # Monitor initialization. #ifndef CYGPKG_HAL_SH_MON_DEFINED #if defined(CYG_HAL_STARTUP_ROM) || \ ( defined(CYG_HAL_STARTUP_RAM) && \ !defined(CYGSEM_HAL_USE_ROM_MONITOR)) # If we are starting up from ROM, or we are starting in # RAM and NOT using a ROM monitor, initialize the VSR table. .macro hal_mon_init mov.l $hal_vsr_table,r3 # Write exception vectors mov.l $cyg_hal_default_exception_vsr,r4 mov #CYGNUM_HAL_VSR_EXCEPTION_COUNT,r5 1: mov.l r4,@r3 add #4,r3 dt r5 bf 1b # Write interrupt vector mov.l $cyg_hal_default_interrupt_vsr,r4 mov.l $hal_vsr_table,r3 add #CYGNUM_HAL_VECTOR_INTERRUPT*4,r3 mov.l r4,@r3 bra 2f nop .align 2 SYM_PTR_REF(cyg_hal_default_exception_vsr) SYM_PTR_REF(cyg_hal_default_interrupt_vsr) SYM_PTR_REF(hal_vsr_table) 2: .endm #elif defined(CYG_HAL_STARTUP_RAM) && defined(CYGSEM_HAL_USE_ROM_MONITOR) # Initialize the VSR table entries # We only take control of the interrupt vector, # the rest are left to the ROM for now... .macro hal_mon_init # Write interrupt vector mov.l $hal_vsr_table,r3 mov.l $cyg_hal_default_interrupt_vsr,r4 add #CYGNUM_HAL_VECTOR_INTERRUPT*4,r3 mov.l r4,@r3 bra 2f nop .align 2 SYM_PTR_REF(cyg_hal_default_interrupt_vsr) SYM_PTR_REF(hal_vsr_table) 2: .endm #else .macro hal_mon_init .endm #endif #define CYGPKG_HAL_SH_MON_DEFINED #endif // CYGPKG_HAL_SH_MON_DEFINED #endif // CYGONCE_HAL_PLATFORM_INC
