forked from Imagelibrary/rtems
814eccb4cf
The VME support is only used by powerpc BSPs. This patch is a part of the BSP source reorganization. Update #3285.
199 lines
5.4 KiB
C
199 lines
5.4 KiB
C
/**
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* @file
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*
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* @ingroup shared_vmeamdefs
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*
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* @brief vxworks compatible addressing modes
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*/
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#ifndef VME_AM_DEFINITIONS_H
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#define VME_AM_DEFINITIONS_H
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/*
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* Authorship
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* ----------
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* This software was created by
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* Till Straumann <strauman@slac.stanford.edu>, 2002-2007,
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* Stanford Linear Accelerator Center, Stanford University.
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*
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* Acknowledgement of sponsorship
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* ------------------------------
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* This software was produced by
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* the Stanford Linear Accelerator Center, Stanford University,
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* under Contract DE-AC03-76SFO0515 with the Department of Energy.
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*
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* Government disclaimer of liability
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* ----------------------------------
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* Neither the United States nor the United States Department of Energy,
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* nor any of their employees, makes any warranty, express or implied, or
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* assumes any legal liability or responsibility for the accuracy,
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* completeness, or usefulness of any data, apparatus, product, or process
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* disclosed, or represents that its use would not infringe privately owned
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* rights.
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*
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* Stanford disclaimer of liability
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* --------------------------------
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* Stanford University makes no representations or warranties, express or
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* implied, nor assumes any liability for the use of this software.
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*
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* Stanford disclaimer of copyright
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* --------------------------------
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* Stanford University, owner of the copyright, hereby disclaims its
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* copyright and all other rights in this software. Hence, anyone may
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* freely use it for any purpose without restriction.
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*
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* Maintenance of notices
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* ----------------------
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* In the interest of clarity regarding the origin and status of this
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* SLAC software, this and all the preceding Stanford University notices
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* are to remain affixed to any copy or derivative of this software made
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* or distributed by the recipient and are to be affixed to any copy of
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* software made or distributed by the recipient that contains a copy or
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* derivative of this software.
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*
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* ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03
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*/
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/**
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* @defgroup shared_vmeamdefs VME_AM_DEFS
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*
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* @ingroup shared_vmeuniverse
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*
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* @brief 64-bit *addresses* are not supported [data are].
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*/
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#ifndef VME_AM_STD_SUP_BLT
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#define VME_AM_STD_SUP_BLT 0x3f
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#endif
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#ifndef VME_AM_STD_SUP_ASCENDING
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#define VME_AM_STD_SUP_ASCENDING 0x3f
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#endif
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#ifndef VME_AM_STD_SUP_PGM
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#define VME_AM_STD_SUP_PGM 0x3e
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#endif
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#ifndef VME_AM_STD_SUP_MBLT
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#define VME_AM_STD_SUP_MBLT 0x3c
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#endif
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#ifndef VME_AM_STD_USR_BLT
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#define VME_AM_STD_USR_BLT 0x3b
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#endif
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#ifndef VME_AM_STD_USR_ASCENDING
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#define VME_AM_STD_USR_ASCENDING 0x3b
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#endif
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#ifndef VME_AM_STD_USR_PGM
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#define VME_AM_STD_USR_PGM 0x3a
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#endif
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#ifndef VME_AM_STD_SUP_DATA
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#define VME_AM_STD_SUP_DATA 0x3d
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#endif
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#ifndef VME_AM_STD_USR_DATA
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#define VME_AM_STD_USR_DATA 0x39
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#endif
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#ifndef VME_AM_STD_USR_MBLT
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#define VME_AM_STD_USR_MBLT 0x38
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#endif
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#ifndef VME_AM_EXT_SUP_BLT
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#define VME_AM_EXT_SUP_BLT 0x0f
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#endif
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#ifndef VME_AM_EXT_SUP_ASCENDING
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#define VME_AM_EXT_SUP_ASCENDING 0x0f
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#endif
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#ifndef VME_AM_EXT_SUP_PGM
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#define VME_AM_EXT_SUP_PGM 0x0e
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#endif
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#ifndef VME_AM_EXT_SUP_DATA
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#define VME_AM_EXT_SUP_DATA 0x0d
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#endif
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#ifndef VME_AM_EXT_SUP_MBLT
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#define VME_AM_EXT_SUP_MBLT 0x0c
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#endif
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#ifndef VME_AM_EXT_USR_BLT
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#define VME_AM_EXT_USR_BLT 0x0b
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#endif
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#ifndef VME_AM_EXT_USR_ASCENDING
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#define VME_AM_EXT_USR_ASCENDING 0x0b
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#endif
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#ifndef VME_AM_EXT_USR_PGM
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#define VME_AM_EXT_USR_PGM 0x0a
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#endif
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#ifndef VME_AM_EXT_USR_DATA
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#define VME_AM_EXT_USR_DATA 0x09
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#endif
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#ifndef VME_AM_EXT_USR_MBLT
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#define VME_AM_EXT_USR_MBLT 0x08
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#endif
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#ifndef VME_AM_2eVME_6U
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#define VME_AM_2eVME_6U 0x20
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#endif
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#ifndef VME_AM_2eVME_3U
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#define VME_AM_2eVME_3U 0x21
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#endif
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#ifndef VME_AM_CSR
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#define VME_AM_CSR 0x2f
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#endif
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#ifndef VME_AM_SUP_SHORT_IO
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#define VME_AM_SUP_SHORT_IO 0x2d
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#endif
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#ifndef VME_AM_USR_SHORT_IO
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#define VME_AM_USR_SHORT_IO 0x29
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#endif
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#ifndef VME_AM_IS_SHORT
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#define VME_AM_IS_SHORT(a) (((a) & 0x30) == 0x20)
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#endif
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#ifndef VME_AM_IS_STD
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#define VME_AM_IS_STD(a) (((a) & 0x30) == 0x30)
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#endif
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#ifndef VME_AM_IS_EXT
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#define VME_AM_IS_EXT(a) (((a) & 0x30) == 0x00)
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#endif
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#ifndef VME_AM_IS_SUP
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#define VME_AM_IS_SUP(a) ((a) & 4)
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#endif
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/* Mask for standard address modifiers */
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#ifndef VME_AM_MASK
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#define VME_AM_MASK 0x3f
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#endif
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/* Hint that a window is mapping memory; the
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* driver may assume it to be safe to enable decoupled
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* cycles, caching and the like...
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*/
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#ifndef VME_AM_IS_MEMORY
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#define VME_AM_IS_MEMORY (1<<8)
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#endif
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/* I don't know AMs for 2eSST so we use some extra bits;
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* HOWEVER: these are just qualifiers to the VME_AM_2eVME_xx modes
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* i.e., if you want 2eSST you must also select 2eVME...
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*/
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/* 2eSST broadcast; you still need to set one of the speed bits */
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#define VME_AM_2eSST_BCST (1<<9)
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/* Low speed (driver specific) */
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#define VME_AM_2eSST_LO (1<<10)
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/* Mid speed (driver specific) */
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#define VME_AM_2eSST_MID (2<<10)
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/* High speed (driver specific) */
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#define VME_AM_2eSST_HI (3<<10)
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#define VME_AM_IS_2eSST(am) ((am) & (3<<10))
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/* Use 8/16/32-bit transfers for coupled- or BLT cycles
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* (MBLT, 2exxx are probably always 64-bit)
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*/
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#define VME_MODE_DBW_MSK (3<<12)
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#define VME_MODE_DBW8 (1<<12)
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#define VME_MODE_DBW16 (2<<12)
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#define VME_MODE_DBW32 (3<<12)
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/* Unused Flags 1<<14 .. 1<<23 are reserved
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*
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* (20-23 used by DMA API).
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* Flags 1<<24 .. 1<<31 are for driver specific options
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*/
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#endif
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