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-rw-r--r--cpu/mpc83xx/cpu_init.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/cpu/mpc83xx/cpu_init.c b/cpu/mpc83xx/cpu_init.c
index e643037..fba5b02 100644
--- a/cpu/mpc83xx/cpu_init.c
+++ b/cpu/mpc83xx/cpu_init.c
@@ -79,6 +79,12 @@ void cpu_init_f (volatile immap_t * im)
(CFG_ACR_RPTCNT << ACR_RPTCNT_SHIFT);
#endif
+#ifdef CFG_SPCR_OPT
+ /* Optimize transactions between CSB and other devices */
+ im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_OPT) |
+ (CFG_SPCR_OPT << SPCR_OPT_SHIFT);
+#endif
+
#ifdef CFG_SPCR_TSECEP
/* all eTSEC's Emergency priority */
im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSECEP) |