X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fcpu%2Fmpc85xx%2Fmpc8568_serdes.c;h=7c287a0ddd0aedecc6ff9111cc9b2ebf2ffad397;hb=d024236e5a31a2b4b82cbcc98b31b8170fc88d28;hp=9199f01b9bb2904b6daae770391f38f6d640bc33;hpb=3be2bdf5dc69b3142c1162a59bc67191c9077567;p=oweals%2Fu-boot.git

diff --git a/arch/powerpc/cpu/mpc85xx/mpc8568_serdes.c b/arch/powerpc/cpu/mpc85xx/mpc8568_serdes.c
index 9199f01b9b..7c287a0ddd 100644
--- a/arch/powerpc/cpu/mpc85xx/mpc8568_serdes.c
+++ b/arch/powerpc/cpu/mpc85xx/mpc8568_serdes.c
@@ -24,6 +24,9 @@ static u8 serdes1_cfg_tbl[][SRDS1_MAX_LANES] = {
 
 int is_serdes_configured(enum srds_prtcl prtcl)
 {
+	if (!(serdes1_prtcl_map & (1 << NONE)))
+		fsl_serdes_init();
+
 	return (1 << prtcl) & serdes1_prtcl_map;
 }
 
@@ -35,6 +38,9 @@ void fsl_serdes_init(void)
 				MPC85xx_PORDEVSR_IO_SEL_SHIFT;
 	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)) {
@@ -46,4 +52,7 @@ void fsl_serdes_init(void)
 		enum srds_prtcl lane_prtcl = serdes1_cfg_tbl[srds_cfg][lane];
 		serdes1_prtcl_map |= (1 << lane_prtcl);
 	}
+
+	/* Set the first bit to indicate serdes has been initialized */
+	serdes1_prtcl_map |= (1 << NONE);
 }