diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/p1021_serdes.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/p1021_serdes.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/p1021_serdes.c b/arch/powerpc/cpu/mpc85xx/p1021_serdes.c index 99a77bd2b6..77b94399ba 100644 --- a/arch/powerpc/cpu/mpc85xx/p1021_serdes.c +++ b/arch/powerpc/cpu/mpc85xx/p1021_serdes.c @@ -41,6 +41,9 @@ 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; } @@ -55,6 +58,9 @@ void fsl_serdes_init(void) int lane; u32 mask, val; + if (serdes1_prtcl_map & (1 << NONE)) + return; + debug("PORDEVSR[IO_SEL_SRDS] = %x\n", srds_cfg); if (srds_cfg >= ARRAY_SIZE(serdes1_cfg_tbl)) { @@ -67,6 +73,9 @@ 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); + /* Init SERDES Receiver electrical idle detection control for PCIe */ /* Lane 0 is always PCIe 1 */ |