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/* $Id$ */
/* Default VME bridge configuration - note that this file
* is independent of the bridge driver/chip
*/
/* Author: Till Straumann <strauman@slac.stanford.edu>, 3/2002 */
#include <bsp.h>
#include <bsp/VME.h>
#include <bsp/VMEConfig.h>
#include <libcpu/bat.h>
#include <rtems/bspIo.h>
/* 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,
0x0F000000);
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_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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