OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [arm/] [pid/] [v2_0/] [include/] [hal_platform_setup.h] - Blame information for rev 174

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 27 unneback
#ifndef CYGONCE_HAL_PLATFORM_SETUP_H
2
#define CYGONCE_HAL_PLATFORM_SETUP_H
3
 
4
/*=============================================================================
5
//
6
//      hal_platform_setup.h
7
//
8
//      Platform specific support for HAL (assembly code)
9
//
10
//=============================================================================
11
//####ECOSGPLCOPYRIGHTBEGIN####
12
// -------------------------------------------
13
// This file is part of eCos, the Embedded Configurable Operating System.
14
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
15
//
16
// eCos is free software; you can redistribute it and/or modify it under
17
// the terms of the GNU General Public License as published by the Free
18
// Software Foundation; either version 2 or (at your option) any later version.
19
//
20
// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
21
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
22
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
23
// for more details.
24
//
25
// You should have received a copy of the GNU General Public License along
26
// with eCos; if not, write to the Free Software Foundation, Inc.,
27
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
28
//
29
// As a special exception, if other files instantiate templates or use macros
30
// or inline functions from this file, or you compile this file and link it
31
// with other works to produce a work based on this file, this file does not
32
// by itself cause the resulting work to be covered by the GNU General Public
33
// License. However the source code for this file must still be made available
34
// in accordance with section (3) of the GNU General Public License.
35
//
36
// This exception does not invalidate any other reasons why a work based on
37
// this file might be covered by the GNU General Public License.
38
//
39
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
40
// at http://sources.redhat.com/ecos/ecos-license/
41
// -------------------------------------------
42
//####ECOSGPLCOPYRIGHTEND####
43
//=============================================================================
44
//#####DESCRIPTIONBEGIN####
45
//
46
// Author(s):    gthomas
47
// Contributors: gthomas
48
// Date:        1999-04-13
49
// Purpose:     ARM/PID platform specific support routines
50
// Description:
51
// Usage:       #include <cyg/hal/hal_platform_setup.h>
52
//
53
//####DESCRIPTIONEND####
54
//
55
//===========================================================================*/
56
 
57
 
58
// Define macro used to diddle the LEDs during early initialization.
59
// Can use r0+r1. Argument in \x.
60
// Control the LEDs PP0-PP3. This requires the jumpers on pins 9-16 to
61
// be set on LK11 in order to be visible. Otherwise the parallel port
62
// data pins are diddled instead.
63
#ifdef CYGHWR_HAL_ARM_PID_DIAG_LEDS
64
#define CYGHWR_LED_MACRO                                                  \
65
        ldr     r0,=0x0d800040                                           ;\
66
        mov     r1, #((15 & (\x)) << 4)                                  ;\
67
        strb    r1, [r0]                                                 ;
68
#endif
69
 
70
#define MEM_RESET         0x0B000020  // Write to this location to enable RAM
71
 
72
#define PLATFORM_SETUP1                                 \
73
        ldr     r0,=10f                                ;\
74
        mov     pc,r0                                  ;\
75
10:     ldr     r0,=MEM_RESET   /* enable RAM */       ;\
76
        str     r0,[r0]
77
 
78
/*---------------------------------------------------------------------------*/
79
/* end of hal_platform_setup.h                                               */
80
#endif /* CYGONCE_HAL_PLATFORM_SETUP_H */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.