diff options
Diffstat (limited to 'include/mcf548x/mcdma_glue.h')
| -rw-r--r-- | include/mcf548x/mcdma_glue.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/include/mcf548x/mcdma_glue.h b/include/mcf548x/mcdma_glue.h new file mode 100644 index 0000000000..de0621120f --- /dev/null +++ b/include/mcf548x/mcdma_glue.h @@ -0,0 +1,106 @@ +/*===============================================================*\ +| Project: RTEMS generic MFC548x BSP | ++-----------------------------------------------------------------+ +| Copyright (c) 2004-2009 | +| Embedded Brains GmbH | +| Obere Lagerstr. 30 | +| D-82178 Puchheim | +| Germany | +| rtems@embedded-brains.de | ++-----------------------------------------------------------------+ +| The license and distribution terms for this file may be | +| found in the file LICENSE in this distribution or at | +| | +| http://www.rtems.org/license/LICENSE. | +| | ++-----------------------------------------------------------------+ +| this file declares glue functions to the Freescale Mcdma API | +\*===============================================================*/ +#ifndef _MCDMA_GLUE_H +#define _MCDMA_GLUE_H + +#include <rtems.h> +#include <mcf548x/mcf548x.h> + +#define MCDMA_CLR_PENDING(chan) (MCF548X_DMA_DIPR = (1 << (chan))) +#define MCDMA_GET_PENDING(chan) (MCF548X_DMA_DIPR & (1 << (chan))) + +/*=========================================================================*\ +| Function: | +\*-------------------------------------------------------------------------*/ +void mcdma_glue_irq_enable +( +/*-------------------------------------------------------------------------*\ +| Purpose: | +| enable interrupt for given task number | ++---------------------------------------------------------------------------+ +| Input Parameters: | +\*-------------------------------------------------------------------------*/ + int mcdma_taskno /* task number to enable */ + ); +/*-------------------------------------------------------------------------*\ +| Return Value: | +| none | +\*=========================================================================*/ + +/*=========================================================================*\ +| Function: | +\*-------------------------------------------------------------------------*/ +void mcdma_glue_irq_disable +( +/*-------------------------------------------------------------------------*\ +| Purpose: | +| disable interrupt for given task number | ++---------------------------------------------------------------------------+ +| Input Parameters: | +\*-------------------------------------------------------------------------*/ + int mcdma_taskno /* task number to disable */ + ); +/*-------------------------------------------------------------------------*\ +| Return Value: | +| none | +\*=========================================================================*/ + +/*=========================================================================*\ +| Function: | +\*-------------------------------------------------------------------------*/ +void mcdma_glue_irq_install +( +/*-------------------------------------------------------------------------*\ +| Purpose: | +| install given function as mcdma interrupt handler | ++---------------------------------------------------------------------------+ +| Input Parameters: | +\*-------------------------------------------------------------------------*/ + int mcdma_taskno, /* task number for handler */ + void (*the_handler)(rtems_irq_hdl_param), /* function to call */ + void *the_param + ); +/*-------------------------------------------------------------------------*\ +| Return Value: | +| none | +\*=========================================================================*/ + +/*=========================================================================*\ +| Function: | +\*-------------------------------------------------------------------------*/ +void mcdma_glue_init +( +/*-------------------------------------------------------------------------*\ +| Purpose: | +| initialize the mcdma module (if not yet done): | +| - load code | +| - initialize registers | +| - initialize bus arbiter | +| - initialize interrupt control | ++---------------------------------------------------------------------------+ +| Input Parameters: | +\*-------------------------------------------------------------------------*/ + void *sram_base /* base address for SRAM, to be used for DMA task */ + ); +/*-------------------------------------------------------------------------*\ +| Return Value: | +| none | +\*=========================================================================*/ + +#endif /* _MCDMA_GLUE_H */ |