Remove unnecessary instances of DECLARE_GLOBAL_DATA_PTR
[oweals/u-boot.git] / arch / powerpc / cpu / mpc85xx / mpc8568_serdes.c
index 9199f01b9bb2904b6daae770391f38f6d640bc33..7c287a0ddd0aedecc6ff9111cc9b2ebf2ffad397 100644 (file)
@@ -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);
 }