diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/p1023_serdes.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/p1023_serdes.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/p1023_serdes.c b/arch/powerpc/cpu/mpc85xx/p1023_serdes.c index e83b0a3359..b2b9f95ca9 100644 --- a/arch/powerpc/cpu/mpc85xx/p1023_serdes.c +++ b/arch/powerpc/cpu/mpc85xx/p1023_serdes.c @@ -24,7 +24,12 @@ static const u8 serdes1_cfg_tbl[][SRDS1_MAX_LANES] = { int is_serdes_configured(enum srds_prtcl device) { - int ret = (1 << device) & serdes1_prtcl_map; + int ret; + + if (!(serdes1_prtcl_map & (1 << NONE))) + fsl_serdes_init(); + + ret = (1 << device) & serdes1_prtcl_map; return ret; } @@ -36,6 +41,9 @@ 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)) { @@ -47,4 +55,6 @@ void fsl_serdes_init(void) serdes1_prtcl_map |= (1 << lane_prtcl); } + /* Set the first bit to indicate serdes has been initialized */ + serdes1_prtcl_map |= (1 << NONE); } |