SPDX: Convert all of our single license tags to Linux Kernel style

[u-boot] / arch / powerpc / cpu / mpc85xx / mpc8548_serdes.c

diff --git a/arch/powerpc/cpu/mpc85xx/mpc8548_serdes.c b/arch/powerpc/cpu/mpc85xx/mpc8548_serdes.c
index 76288cd568e648eeb9ea4f76fcb7022e9af779d3..99bab9e8ef36da190efed8e65c83f10c9ab603f6 100644 (file)
--- a/arch/powerpc/cpu/mpc85xx/mpc8548_serdes.c
+++ b/arch/powerpc/cpu/mpc85xx/mpc8548_serdes.c
@@ -1,23 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * 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
  */
 
 #include <config.h>
@@ -40,6 +23,9 @@ 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;
 }
 
@@ -51,9 +37,12 @@ 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)) {
+       if (srds1_cfg >= ARRAY_SIZE(serdes1_cfg_tbl)) {
                printf("Invalid PORDEVSR[IO_SEL] = %d\n", srds1_cfg);
                return ;
        }
@@ -62,4 +51,7 @@ 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);
 }