[rtems commit] bsps/powerpc: Add option for write-through cache

Sebastian Huber sebh at rtems.org
Mon Jan 28 15:43:03 UTC 2013


Module:    rtems
Branch:    master
Commit:    036788d57b24ef22337825eb027aced3e31151c9
Changeset: http://git.rtems.org/rtems/commit/?id=036788d57b24ef22337825eb027aced3e31151c9

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Fri Jan 11 14:41:00 2013 +0100

bsps/powerpc: Add option for write-through cache

---

 .../lib/libcpu/powerpc/mpc55xx/include/regs-mmu.h  |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/c/src/lib/libcpu/powerpc/mpc55xx/include/regs-mmu.h b/c/src/lib/libcpu/powerpc/mpc55xx/include/regs-mmu.h
index 16612e6..aaddeec 100644
--- a/c/src/lib/libcpu/powerpc/mpc55xx/include/regs-mmu.h
+++ b/c/src/lib/libcpu/powerpc/mpc55xx/include/regs-mmu.h
@@ -157,7 +157,8 @@ extern "C" {
       .VALID = 1, .IPROT = 1, .TID = 0, .TS = 0, .TSIZE = (size) } \
     }, \
     .MAS2 = { .B = { \
-      .EPN = (addr) >> 10, .VLE = 0, .W = 0, .I = (io), .M = 0, .G = (io), .E = 0 } \
+      .EPN = (addr) >> 10, .VLE = 0, \
+      .W = (io) == 2, .I = (io) == 1, .M = 0, .G = (io) == 1, .E = 0 } \
     }, \
     .MAS3 = { .B = { \
       .RPN = (addr) >> 10, .U0 = 0, .U1 = 0, .U2 = 0, .U3 = 0, .UX = 0, \




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