diff options
| author | Till Straumann <strauman@slac.stanford.edu> | 2006-06-19 20:51:19 +0000 |
|---|---|---|
| committer | Till Straumann <strauman@slac.stanford.edu> | 2006-06-19 20:51:19 +0000 |
| commit | 06cfd95d98dd93a3b142c73c24a4baea496112e7 (patch) | |
| tree | 229fef86790b77b088f9f46765298b9a1da200f9 /c | |
| parent | Added address-modifier codes for BLT/MBLT. (diff) | |
| download | rtems-06cfd95d98dd93a3b142c73c24a4baea496112e7.tar.bz2 | |
Indicate that it's ok to use decoupled cycles to access
on-board memory from VME.
Diffstat (limited to 'c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/ChangeLog | 6 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/shared/vme/vmeconfig.c | 6 |
2 files changed, 10 insertions, 2 deletions
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 @@ -1,5 +1,11 @@ 2006-06-19 Till Straumann <strauman@slac.stanford.edu> + * 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 <strauman@slac.stanford.edu> + * shared/vme/vme_universe.c: Only set/access the _BSP_vme_bridge_irq variable on BSPs that define BSP_PCI_VME_DRIVER_DOES_EOI and BSP_PIC_DO_EOI. 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); |