From 06cfd95d98dd93a3b142c73c24a4baea496112e7 Mon Sep 17 00:00:00 2001 From: Till Straumann Date: Mon, 19 Jun 2006 20:51:19 +0000 Subject: Indicate that it's ok to use decoupled cycles to access on-board memory from VME. --- c/src/lib/libbsp/powerpc/ChangeLog | 6 ++++++ c/src/lib/libbsp/powerpc/shared/vme/vmeconfig.c | 6 ++++-- 2 files changed, 10 insertions(+), 2 deletions(-) (limited to 'c') diff --git a/c/src/lib/libbsp/powerpc/ChangeLog b/c/src/lib/libbsp/powerpc/ChangeLog index 9c877bff5b..3a4ad80ac7 100644 --- a/c/src/lib/libbsp/powerpc/ChangeLog +++ b/c/src/lib/libbsp/powerpc/ChangeLog @@ -1,3 +1,9 @@ +2006-06-19 Till Straumann + + * shared/vme/vmeconfig.c: Indicate that it's ok to + use decoupled cycles to access on-board memory from + VME. + 2006-06-19 Till Straumann * shared/vme/vme_universe.c: Only set/access the diff --git a/c/src/lib/libbsp/powerpc/shared/vme/vmeconfig.c b/c/src/lib/libbsp/powerpc/shared/vme/vmeconfig.c index e951acf51c..c726cbb675 100644 --- a/c/src/lib/libbsp/powerpc/shared/vme/vmeconfig.c +++ b/c/src/lib/libbsp/powerpc/shared/vme/vmeconfig.c @@ -64,10 +64,12 @@ __BSP_default_vme_config(void) 0x00010000); #ifdef _VME_DRAM_OFFSET - /* map our memory to VME */ + /* 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_EXT_SUP_DATA | VME_AM_IS_MEMORY, _VME_DRAM_OFFSET, PCI_DRAM_OFFSET, BSP_mem_size); -- cgit v1.2.3