X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fcpu%2Fmpc85xx%2Fc29x_serdes.c;h=74d27b9a63ffeb75a0404595f4057dedd033c951;hb=9920d151c4b22540a937c4225020069c583a7fad;hp=51972cb7cb3f6d833ebc19b71959cf7166fef689;hpb=4eef93da262048eb1118e726b3ec5b8ebd3c6c91;p=oweals%2Fu-boot.git

diff --git a/arch/powerpc/cpu/mpc85xx/c29x_serdes.c b/arch/powerpc/cpu/mpc85xx/c29x_serdes.c
index 51972cb7cb..74d27b9a63 100644
--- a/arch/powerpc/cpu/mpc85xx/c29x_serdes.c
+++ b/arch/powerpc/cpu/mpc85xx/c29x_serdes.c
@@ -32,6 +32,9 @@ static const struct serdes_config serdes1_cfg_tbl[] = {
 
 int is_serdes_configured(enum srds_prtcl device)
 {
+	if (!(serdes1_prtcl_map & (1 << NONE)))
+		fsl_serdes_init();
+
 	return (1 << device) & serdes1_prtcl_map;
 }
 
@@ -44,6 +47,9 @@ void fsl_serdes_init(void)
 	const struct serdes_config *ptr;
 	int lane;
 
+	if (serdes1_prtcl_map & (1 << NONE))
+		return;
+
 	debug("PORDEVSR[IO_SEL_SRDS] = %x\n", srds_cfg);
 
 	if (srds_cfg > ARRAY_SIZE(serdes1_cfg_tbl)) {
@@ -59,4 +65,7 @@ void fsl_serdes_init(void)
 		enum srds_prtcl lane_prtcl = ptr->lanes[lane];
 		serdes1_prtcl_map |= (1 << lane_prtcl);
 	}
+
+	/* Set the first bit to indicate serdes has been initialized */
+	serdes1_prtcl_map |= (1 << NONE);
 }