1 #ifndef CYGONCE_HAL_VAR_ARCH_H
2 #define CYGONCE_HAL_VAR_ARCH_H
3 //=============================================================================
7 // LPC24XX variant architecture overrides
9 //=============================================================================
10 //####ECOSGPLCOPYRIGHTBEGIN####
11 // -------------------------------------------
12 // This file is part of eCos, the Embedded Configurable Operating System.
13 // Copyright (C) 2003 Jonathan Larmour <jifl@eCosCentric.com>
14 // Copyright (C) 2004 eCosCentric Limited
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.
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
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.
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.
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 //####ECOSGPLCOPYRIGHTEND####
40 //=============================================================================
41 //#####DESCRIPTIONBEGIN####
43 // Author(s): Uwe Kindler
44 // Contributors: jlarmour,Daniel Neri
46 // Purpose: LPC24XX variant architecture overrides
48 // Usage: #include <cyg/hal/hal_arch.h>
50 //####DESCRIPTIONEND####
52 //=============================================================================
54 #include <pkgconf/hal.h>
55 #include <cyg/hal/hal_io.h>
56 #include <cyg/infra/cyg_type.h>
58 //--------------------------------------------------------------------------
60 // This macro is called in the idle thread loop, and gives the HAL the
61 // chance to insert code. Typical idle thread behaviour might be to halt the
62 // processor. These implementations halt the system core clock.
64 #ifdef CYGHWR_HAL_ARM_LPC24XX_IDLE_PWRSAVE
65 #ifndef HAL_IDLE_THREAD_ACTION
67 #define HAL_IDLE_THREAD_ACTION(_count_) \
69 HAL_WRITE_UINT32(CYGARC_HAL_LPC24XX_REG_SCB_BASE + \
70 CYGARC_HAL_LPC24XX_REG_PCON, \
71 CYGARC_HAL_LPC24XX_REG_PCON_IDL); \
74 #endif // HAL_IDLE_THREAD_ACTION
75 #endif // CYGHWR_HAL_ARM_LPC24XX_IDLE_MODE
77 //-----------------------------------------------------------------------------
79 #endif // CYGONCE_HAL_VAR_ARCH_H