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.
143 lines
3.8 KiB
C
143 lines
3.8 KiB
C
/* Default VME bridge configuration - note that this file
|
|
* is independent of the bridge driver/chip
|
|
*/
|
|
|
|
/*
|
|
* Authorship
|
|
* ----------
|
|
* This software was created by
|
|
* Till Straumann <strauman@slac.stanford.edu>, 3/2002,
|
|
* Stanford Linear Accelerator Center, Stanford University.
|
|
*
|
|
* Acknowledgement of sponsorship
|
|
* ------------------------------
|
|
* This software was produced by
|
|
* the Stanford Linear Accelerator Center, Stanford University,
|
|
* under Contract DE-AC03-76SFO0515 with the Department of Energy.
|
|
*
|
|
* Government disclaimer of liability
|
|
* ----------------------------------
|
|
* Neither the United States nor the United States Department of Energy,
|
|
* nor any of their employees, makes any warranty, express or implied, or
|
|
* assumes any legal liability or responsibility for the accuracy,
|
|
* completeness, or usefulness of any data, apparatus, product, or process
|
|
* disclosed, or represents that its use would not infringe privately owned
|
|
* rights.
|
|
*
|
|
* Stanford disclaimer of liability
|
|
* --------------------------------
|
|
* Stanford University makes no representations or warranties, express or
|
|
* implied, nor assumes any liability for the use of this software.
|
|
*
|
|
* Stanford disclaimer of copyright
|
|
* --------------------------------
|
|
* Stanford University, owner of the copyright, hereby disclaims its
|
|
* copyright and all other rights in this software. Hence, anyone may
|
|
* freely use it for any purpose without restriction.
|
|
*
|
|
* Maintenance of notices
|
|
* ----------------------
|
|
* In the interest of clarity regarding the origin and status of this
|
|
* SLAC software, this and all the preceding Stanford University notices
|
|
* are to remain affixed to any copy or derivative of this software made
|
|
* or distributed by the recipient and are to be affixed to any copy of
|
|
* software made or distributed by the recipient that contains a copy or
|
|
* derivative of this software.
|
|
*
|
|
* ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03
|
|
*/
|
|
|
|
#include <bsp.h>
|
|
#include <bsp/VME.h>
|
|
#include <bsp/VMEConfig.h>
|
|
#ifdef BSP_VME_BAT_IDX
|
|
#include <libcpu/bat.h>
|
|
#endif
|
|
#include <rtems/bspIo.h>
|
|
|
|
extern int BSP_VMEInit(void);
|
|
extern int BSP_VMEIrqMgrInstall(void);
|
|
|
|
/* Use a weak alias for the VME configuration.
|
|
* This permits individual applications to override
|
|
* this routine.
|
|
* They may even create an 'empty'
|
|
*
|
|
* void BSP_vme_config(void) {}
|
|
*
|
|
* which will avoid linking in the Universe driver
|
|
* at all :-).
|
|
*/
|
|
|
|
void __BSP_default_vme_config(void);
|
|
void BSP_vme_config(void)
|
|
__attribute__ (( weak, alias("__BSP_default_vme_config") ));
|
|
|
|
void
|
|
__BSP_default_vme_config(void)
|
|
{
|
|
|
|
if ( BSP_VMEInit() ) {
|
|
printk("Skipping VME initialization...\n");
|
|
return;
|
|
}
|
|
|
|
#ifdef BSP_VME_BAT_IDX
|
|
/* setup a PCI area to map the VME bus */
|
|
setdbat(BSP_VME_BAT_IDX,
|
|
PCI_MEM_BASE + _VME_A32_WIN0_ON_PCI,
|
|
PCI_MEM_BASE + _VME_A32_WIN0_ON_PCI,
|
|
0x10000000,
|
|
IO_PAGE);
|
|
#endif
|
|
|
|
/* map VME address ranges */
|
|
BSP_VMEOutboundPortCfg(
|
|
0,
|
|
VME_AM_EXT_SUP_DATA,
|
|
_VME_A32_WIN0_ON_VME,
|
|
_VME_A32_WIN0_ON_PCI,
|
|
0x0e000000);
|
|
BSP_VMEOutboundPortCfg(
|
|
1,
|
|
VME_AM_STD_SUP_DATA,
|
|
0x00000000,
|
|
_VME_A24_ON_PCI,
|
|
0x00ff0000);
|
|
BSP_VMEOutboundPortCfg(
|
|
2,
|
|
VME_AM_SUP_SHORT_IO,
|
|
0x00000000,
|
|
_VME_A16_ON_PCI,
|
|
0x00010000);
|
|
|
|
#ifdef _VME_CSR_ON_PCI
|
|
/* Map VME64 CSR */
|
|
BSP_VMEOutboundPortCfg(
|
|
7,
|
|
VME_AM_CSR,
|
|
0,
|
|
_VME_CSR_ON_PCI,
|
|
0x01000000);
|
|
#endif
|
|
|
|
|
|
#ifdef _VME_DRAM_OFFSET
|
|
/* map our memory to VME giving the driver a hint that it's ordinary memory
|
|
* so they can enable decoupled cycles which should give better performance...
|
|
*/
|
|
BSP_VMEInboundPortCfg(
|
|
0,
|
|
VME_AM_EXT_SUP_DATA | VME_AM_IS_MEMORY,
|
|
_VME_DRAM_OFFSET,
|
|
PCI_DRAM_OFFSET,
|
|
BSP_mem_size);
|
|
#endif
|
|
|
|
/* stdio is not yet initialized; the driver will revert to printk */
|
|
BSP_VMEOutboundPortsShow(0);
|
|
BSP_VMEInboundPortsShow(0);
|
|
|
|
BSP_VMEIrqMgrInstall();
|
|
}
|