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Disabling PCI Memory Read Multiple improves Tulip transmit performance 30%.

This commit is contained in:
soren 2000-04-09 00:11:51 +00:00
parent 59307a9107
commit 43a7ae04c9
1 changed files with 3 additions and 4 deletions
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7
sys/arch/cobalt/dev/gt.c
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@ -1,4 +1,4 @@
/* $NetBSD: gt.c,v 1.2 2000/03/31 14:51:52 soren Exp $ */
/* $NetBSD: gt.c,v 1.3 2000/04/09 00:11:51 soren Exp $ */
/*
* Copyright (c) 2000 Soren S. Jorvang. All rights reserved.
@ -84,11 +84,10 @@ gt_attach(parent, self, aux)
#if NPCI > 0
pba.pba_busname = "pci";
pba.pba_dmat = &pci_bus_dma_tag;
pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED; /* XXX */
/* XXX mrl mrm mwai? */
pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED;
pba.pba_bus = 0;
pba.pba_flags = PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED |
PCI_FLAGS_MRL_OKAY | PCI_FLAGS_MRM_OKAY | PCI_FLAGS_MWI_OKAY;
PCI_FLAGS_MRL_OKAY | /*PCI_FLAGS_MRM_OKAY|*/ PCI_FLAGS_MWI_OKAY;
config_found(self, &pba, gt_print);
#endif
return;