X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fcpu%2Fmpc85xx%2Fmpc8548_serdes.c;h=f1042d5b586bd5c59042d2456e56a36eecaa6d04;hb=ebf7fff20ab8127f318b238e47a21856497bd6fe;hp=c9eea15d3cd4a097602b419fb03302a926fdbfc7;hpb=5a34d9bf31a021987f97f20aefa812b97b58584e;p=u-boot

diff --git a/arch/powerpc/cpu/mpc85xx/mpc8548_serdes.c b/arch/powerpc/cpu/mpc85xx/mpc8548_serdes.c
index c9eea15d3c..f1042d5b58 100644
--- a/arch/powerpc/cpu/mpc85xx/mpc8548_serdes.c
+++ b/arch/powerpc/cpu/mpc85xx/mpc8548_serdes.c
@@ -1,23 +1,7 @@
 /*
  * Copyright 2010 Freescale Semiconductor, Inc.
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <config.h>
@@ -40,6 +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;
 }
 
@@ -51,6 +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] = %x\n", srds1_cfg);
 
 	if (srds1_cfg >= ARRAY_SIZE(serdes1_cfg_tbl)) {
@@ -62,4 +52,7 @@ void fsl_serdes_init(void)
 		enum srds_prtcl lane_prtcl = serdes1_cfg_tbl[srds1_cfg][lane];
 		serdes1_prtcl_map |= (1 << lane_prtcl);
 	}
+
+	/* Set the first bit to indicate serdes has been initialized */
+	serdes1_prtcl_map |= (1 << NONE);
 }