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/* 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_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();
}
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