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skrzyp |
#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): jskov
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// Contributors:jskov
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// Date: 2001-03-16
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// Purpose: E7T 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/plf_io.h>
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#define CYGHWR_LED_MACRO \
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ldr r0,=E7T_IOPDATA ;\
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mov r1, #((15 & (\x)) << 4) ;\
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str r1, [r0] ;
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#if CYGNUM_HAL_COMMON_INTERRUPTS_STACK_SIZE==4096
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// Override default to a more sensible value
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#undef CYGNUM_HAL_COMMON_INTERRUPTS_STACK_SIZE
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#define CYGNUM_HAL_COMMON_INTERRUPTS_STACK_SIZE 2048
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#endif
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#if defined(CYG_HAL_STARTUP_ROM) || defined(CYG_HAL_STARTUP_ROMRAM)
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#define PLATFORM_SETUP1 ;\
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ldr r1,=E7T_IOPMOD ;\
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ldr r2,=0x0001fcf0 /* set led + seg to output */ ;\
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str r2,[r1,#0x00] ;\
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ldr r1,=E7T_IOPDATA ;\
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ldr r2,=0x00000050 /* set leds */ ;\
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str r2,[r1,#0x00] ;\
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;\
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20: ldr lr,=33f ;\
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ldr r0,=12f ;\
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ldmia r0,{r1-r12} ;\
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ldr r0,=E7T_EXTDBWTH ;\
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stmia r0,{r1-r12} ;\
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mov pc,lr ;\
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;\
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/* The below are set with a store-multiple instruction */ ;\
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/* Flash is 16 bit, SRAM is 32 bit */ ;\
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/* .long E7T_EXTDBWTH */ ;\
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12: .long ( (E7T_EXTDBWTH_16BIT<<E7T_EXTDBWTH_DSR0_shift) \
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|(E7T_EXTDBWTH_32BIT<<E7T_EXTDBWTH_DSR1_shift) \
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|(E7T_EXTDBWTH_32BIT<<E7T_EXTDBWTH_DSR2_shift) ) ;\
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/* Flash at 0x01800000-0x01880000, 5 cycles, 4 cycles */ ;\
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/* .long E7T_ROMCON0 */ ;\
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.long ( (E7T_ROMCON_PMC_ROM) \
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|(E7T_ROMCON_TPA_5C) \
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|(E7T_ROMCON_TACC_4C) \
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|((0x01800000 >> 16) << E7T_ROMCON_BASE_shift) \
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|((0x01880000 >> 16) << E7T_ROMCON_NEXT_shift)) ;\
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/* SRAM at 0x00000000-0x00400000, 5 cycles, 2 cycles */ ;\
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/* .long E7T_ROMCON1 */ ;\
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.long ( (E7T_ROMCON_PMC_ROM) \
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|(E7T_ROMCON_TPA_5C) \
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|(E7T_ROMCON_TACC_2C) \
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|((0x00000000 >> 16) << E7T_ROMCON_BASE_shift) \
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|((0x00040000 >> 16) << E7T_ROMCON_NEXT_shift)) ;\
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/* SRAM at 0x00400000-0x00800000, 5 cycles, 2 cycles */ ;\
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/* .long E7T_ROMCON2 */ ;\
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.long ( (E7T_ROMCON_PMC_ROM) \
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|(E7T_ROMCON_TPA_5C) \
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|(E7T_ROMCON_TACC_2C) \
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|((0x00040000 >> 16) << E7T_ROMCON_BASE_shift) \
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|((0x00080000 >> 16) << E7T_ROMCON_NEXT_shift)) ;\
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/* Below values are what Boot Monitor sets up */ ;\
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/* .long E7T_ROMCON3 */ ;\
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.long 0x08018020 ;\
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/* .long E7T_ROMCON4 */ ;\
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.long 0x0a020040 ;\
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/* .long E7T_ROMCON5 */ ;\
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.long 0x0c028040 ;\
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/* .long E7T_DRAMCON0 */ ;\
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.long 0x00000000 ;\
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/* .long E7T_DRAMCON1 */ ;\
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.long 0x00000000 ;\
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/* .long E7T_DRAMCON2 */ ;\
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.long 0x00000000 ;\
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/* .long E7T_DRAMCON3 */ ;\
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.long 0x00000000 ;\
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/* .long E7T_REFEXTCON */ ;\
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.long 0x9c218360 ;\
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;\
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33:
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#else
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#define PLATFORM_SETUP1
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#endif
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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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