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#ifndef CYGONCE_HAL_PLATFORM_SETUP_H
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#define CYGONCE_HAL_PLATFORM_SETUP_H
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/*=============================================================================
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//
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// hal_platform_setup.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 Free Software Foundation, 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
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY 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
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public 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): David A Rusling
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// Contributors: Philippe Robin
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// Date: November 7, 2000
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// Purpose: ARM INTEGRATOR platform specific support routines
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// Description:
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// Usage: #include <cyg/hal/hal_platform_setup.h>
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//
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//####DESCRIPTIONEND####
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//
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//===========================================================================*/
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#include <cyg/hal/hal_integrator.h>
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#ifdef CYG_HAL_STARTUP_ROMRAM
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#define CYGSEM_HAL_ROM_RESET_USES_JUMP
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#endif
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// Define macro used to diddle the LEDs during early initialization.
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// Can use r0+r1. Argument in \x.
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// Control the LEDs PP0-PP3. This requires the jumpers on pins 9-16 to
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// be set on LK11 in order to be visible. Otherwise the parallel port
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// data pins are diddled instead.
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#ifdef CYGHWR_HAL_ARM_INTEGRATOR_DIAG_LEDS
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#define CYGHWR_LED_MACRO \
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mov r1, #(15 & (\x)) ;\
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ldr r0,=INTEGRATOR_DBG_BASE ;\
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strb r1, [r0, #INTEGRATOR_DBG_LEDS_OFFSET] ;
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#endif
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#define PLATFORM_SETUP1 platform_setup1
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.macro platform_setup1
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#ifdef CYG_HAL_STARTUP_ROMRAM
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// This warps execution away from location 0+x to 0x24000000+x
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// so that we can turn the FLASH remapping off.
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orr pc,pc,#0x24000000
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nop
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nop
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nop
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nop
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#endif
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ldr r0,=INTEGRATOR_DBG_BASE
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ldr r1,=0
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strb r1, [r0, #INTEGRATOR_DBG_LEDS_OFFSET]
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ldr r0, =INTEGRATOR_HDR_BASE
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ldr r1, [r0, #INTEGRATOR_HDR_CTRL_OFFSET]
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orr r1, r1, #INTEGRATOR_HDR_CTRL_REMAP
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str r1, [r0, #INTEGRATOR_HDR_CTRL_OFFSET]
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ldr r1, =INTEGRATOR_IRQCONT_BASE
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ldr r0, =0xFFFFFFFF
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str r0, [r1, #INTEGRATOR_IRQENABLECLEAR]
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str r0, [r1, #INTEGRATOR_FIQENABLECLEAR]
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ldr r0,=INTEGRATOR_DBG_BASE
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ldr r1,=0xF
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strb r1, [r0, #INTEGRATOR_DBG_LEDS_OFFSET]
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LED 7
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#ifdef CYG_HAL_STARTUP_ROMRAM
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#if 0
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// Compute [logical] base address of this image in ROM
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bl 10f
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10: mov r9,lr // R9 = ROM address of 10:
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ldr r8,=10b // R8 = RAM address of 10:
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sub r9,r9,r8 // R9 = ROM-RAM
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ldr r0,=__exception_handlers // R0 = RAM address of __exception_handlers
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add r0,r0,r9 // R0 = ROM address of __exception_handlers
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#endif
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ldr r0,=0x24000000
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ldr r1,=__exception_handlers // ram base & length
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ldr r2,=__rom_data_end
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20: ldr r3,[r0],#4
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str r3,[r1],#4
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cmp r1,r2
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bne 20b
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ldr r0,=30f
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mov pc,r0
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nop
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nop
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nop
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nop
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30:
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#endif
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LED 6
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.endm
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/*---------------------------------------------------------------------------*/
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/* end of hal_platform_setup.h */
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#endif /* CYGONCE_HAL_PLATFORM_SETUP_H */
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