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-rw-r--r--c/src/lib/libbsp/sparc/shared/include/greth.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/include/greth.h b/c/src/lib/libbsp/sparc/shared/include/greth.h
index c0c3b9a28b..8c88172b94 100644
--- a/c/src/lib/libbsp/sparc/shared/include/greth.h
+++ b/c/src/lib/libbsp/sparc/shared/include/greth.h
@@ -81,6 +81,7 @@ typedef struct _greth_regs {
#define GRETH_CTRL_FULLD 0x00000010 /* Full Duplex */
#define GRETH_CTRL_PRO 0x00000020 /* Promiscuous (receive all) */
#define GRETH_CTRL_RST 0x00000040 /* Reset MAC */
+#define GRETH_CTRL_DD 0x00001000 /* Disable EDCL Duplex Detection */
/* Status Register */
#define GRETH_STATUS_RXERR 0x00000001 /* Receive Error */