diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc86xx/mpc8641_serdes.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc86xx/mpc8641_serdes.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/powerpc/cpu/mpc86xx/mpc8641_serdes.c b/arch/powerpc/cpu/mpc86xx/mpc8641_serdes.c index cc0f8e90c0..5b12cbdfff 100644 --- a/arch/powerpc/cpu/mpc86xx/mpc8641_serdes.c +++ b/arch/powerpc/cpu/mpc86xx/mpc8641_serdes.c @@ -38,11 +38,19 @@ static u8 serdes2_cfg_tbl[][SRDS2_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; if (ret) return ret; + if (!(serdes2_prtcl_map & (1 << NONE))) + fsl_serdes_init(); + return (1 << device) & serdes2_prtcl_map; } @@ -55,6 +63,10 @@ void fsl_serdes_init(void) MPC8641_PORDEVSR_IO_SEL_SHIFT; int lane; + if (serdes1_prtcl_map & (1 << NONE) && + serdes2_prtcl_map & (1 << NONE)) + return; + debug("PORDEVSR[IO_SEL_SRDS] = %x\n", srds_cfg); if (srds_cfg >= ARRAY_SIZE(serdes1_cfg_tbl)) { @@ -66,6 +78,9 @@ 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); + if (srds_cfg >= ARRAY_SIZE(serdes2_cfg_tbl)) { printf("Invalid PORDEVSR[IO_SEL_SRDS] = %d\n", srds_cfg); return; @@ -75,4 +90,7 @@ void fsl_serdes_init(void) enum srds_prtcl lane_prtcl = serdes2_cfg_tbl[srds_cfg][lane]; serdes2_prtcl_map |= (1 << lane_prtcl); } + + /* Set the first bit to indicate serdes has been initialized */ + serdes2_prtcl_map |= (1 << NONE); } |