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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [arm/] [e7t/] [v2_0/] [include/] [hal_platform_setup.h] - Blame information for rev 773

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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 Red Hat, 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 version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// 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 along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-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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#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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