1 //==========================================================================
5 // HAL misc board support code for Atmel EB40A eval board
7 //==========================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
12 // Copyright (C) 2003 Nick Garnett <nickg@calivar.com>
14 // eCos is free software; you can redistribute it and/or modify it under
15 // the terms of the GNU General Public License as published by the Free
16 // Software Foundation; either version 2 or (at your option) any later version.
18 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
19 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
23 // You should have received a copy of the GNU General Public License along
24 // with eCos; if not, write to the Free Software Foundation, Inc.,
25 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
27 // As a special exception, if other files instantiate templates or use macros
28 // or inline functions from this file, or you compile this file and link it
29 // with other works to produce a work based on this file, this file does not
30 // by itself cause the resulting work to be covered by the GNU General Public
31 // License. However the source code for this file must still be made available
32 // in accordance with section (3) of the GNU General Public License.
34 // This exception does not invalidate any other reasons why a work based on
35 // this file might be covered by the GNU General Public License.
37 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
38 // at http://sources.redhat.com/ecos/ecos-license/
39 // -------------------------------------------
40 //####ECOSGPLCOPYRIGHTEND####
41 //==========================================================================
42 //#####DESCRIPTIONBEGIN####
45 // Contributors: gthomas, jskov, tkoeller, tdrury, nickg
47 // Purpose: HAL board support
48 // Description: Implementations of HAL board interfaces
50 //####DESCRIPTIONEND####
52 //========================================================================*/
54 #include <pkgconf/hal.h>
56 #include <cyg/infra/cyg_type.h> // base types
57 #include <cyg/hal/hal_io.h> // low level i/o
58 #include <cyg/hal/var_io.h> // common registers
59 #include <cyg/hal/plf_io.h> // platform registers
63 hal_at91_set_leds(int val)
65 HAL_WRITE_UINT32(AT91_PIO+AT91_PIO_SODR, EB40A_LED_ALL); // turn all LEDs off
66 HAL_WRITE_UINT32(AT91_PIO+AT91_PIO_CODR,
67 ((val&0xf)<<16)|(((val&0xf0)>>4)<<3)); // turn desired LEDs on
71 hal_at91_led_on(int val)
73 HAL_WRITE_UINT32(AT91_PIO+AT91_PIO_CODR,
74 ((val&0xf)<<16)|(((val&0xf0)>>4)<<3));
78 hal_at91_led_off(int val)
80 HAL_WRITE_UINT32(AT91_PIO+AT91_PIO_SODR,
81 ((val&0xf)<<3)|((val&0xf0)<<12));
85 hal_at91_get_leds(void)
88 HAL_READ_UINT32(AT91_PIO+AT91_PIO_PDSR, leds);
89 return (((leds>>3)&0xf)<<4)|((leds>>16)&0xf);
92 //--------------------------------------------------------------------------