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-rw-r--r--cpu/mpc8xx/scc.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/cpu/mpc8xx/scc.c b/cpu/mpc8xx/scc.c
index 09a3db1..09a6348 100644
--- a/cpu/mpc8xx/scc.c
+++ b/cpu/mpc8xx/scc.c
@@ -215,12 +215,14 @@ static int scc_init (struct eth_device *dev, bd_t * bis)
rxIdx = 0;
txIdx = 0;
+ if (!rtx) {
#ifdef CFG_ALLOC_DPRAM
- rtx = (RTXBD *) (immr->im_cpm.cp_dpmem +
- dpram_alloc_align (sizeof (RTXBD), 8));
+ rtx = (RTXBD *) (immr->im_cpm.cp_dpmem +
+ dpram_alloc_align (sizeof (RTXBD), 8));
#else
- rtx = (RTXBD *) (immr->im_cpm.cp_dpmem + CPM_SCC_BASE);
-#endif /* 0 */
+ rtx = (RTXBD *) (immr->im_cpm.cp_dpmem + CPM_SCC_BASE);
+#endif
+ }
#if (defined(PA_ENET_RXD) && defined(PA_ENET_TXD))
/* Configure port A pins for Txd and Rxd.