diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/mpc8536_serdes.c')
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/mpc8536_serdes.c | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/mpc8536_serdes.c b/arch/powerpc/cpu/mpc85xx/mpc8536_serdes.c index 7e72f5f..6dadeb8 100644 --- a/arch/powerpc/cpu/mpc85xx/mpc8536_serdes.c +++ b/arch/powerpc/cpu/mpc85xx/mpc8536_serdes.c @@ -66,10 +66,11 @@ #define FSL_SRDSCR3_LANEE_SGMII 0x00000000 #define FSL_SRDSCR3_LANEE_SATA 0x00150005 - #define SRDS1_MAX_LANES 8 #define SRDS2_MAX_LANES 2 +static u32 serdes1_prtcl_map, serdes2_prtcl_map; + static u8 serdes1_cfg_tbl[][SRDS1_MAX_LANES] = { [0x2] = {PCIE1, PCIE1, PCIE1, PCIE1, NONE, NONE, NONE, NONE}, [0x3] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1}, @@ -86,39 +87,12 @@ static u8 serdes2_cfg_tbl[][SRDS2_MAX_LANES] = { int is_serdes_configured(enum srds_prtcl device) { - int i; - ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); - u32 pordevsr = in_be32(&gur->pordevsr); - u32 srds1_cfg = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> - MPC85xx_PORDEVSR_IO_SEL_SHIFT; + int ret = (1 << device) & serdes1_prtcl_map; - u32 srds2_cfg = (pordevsr & MPC85xx_PORDEVSR_SRDS2_IO_SEL) >> - GUTS_PORDEVSR_SERDES2_IO_SEL_SHIFT; - - debug("%s: dev = %d\n", __FUNCTION__, device); - debug("PORDEVSR[IO_SEL] = %x\n", srds1_cfg); - debug("PORDEVSR[SRDS2_IO_SEL] = %x\n", srds2_cfg); - - if (srds1_cfg > ARRAY_SIZE(serdes1_cfg_tbl)) { - printf("Invalid PORDEVSR[IO_SEL] = %d\n", srds1_cfg); - return 0; - } - - if (srds2_cfg > ARRAY_SIZE(serdes2_cfg_tbl)) { - printf("Invalid PORDEVSR[SRDS2_IO_SEL] = %d\n", srds2_cfg); - return 0; - } - - for (i = 0; i < SRDS1_MAX_LANES; i++) { - if (serdes1_cfg_tbl[srds1_cfg][i] == device) - return 1; - } - for (i = 0; i < SRDS2_MAX_LANES; i++) { - if (serdes2_cfg_tbl[srds2_cfg][i] == device) - return 1; - } + if (ret) + return ret; - return 0; + return (1 << device) & serdes2_prtcl_map; } void fsl_serdes_init(void) @@ -126,13 +100,20 @@ void fsl_serdes_init(void) void *guts = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); void *sd = (void *)CONFIG_SYS_MPC85xx_SERDES2_ADDR; u32 pordevsr = in_be32(guts + GUTS_PORDEVSR_OFFS); - u32 srds2_io_sel; + u32 srds1_io_sel, srds2_io_sel; u32 tmp; + int lane; + + srds1_io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> + MPC85xx_PORDEVSR_IO_SEL_SHIFT; /* parse the SRDS2_IO_SEL of PORDEVSR */ srds2_io_sel = (pordevsr & GUTS_PORDEVSR_SERDES2_IO_SEL) >> GUTS_PORDEVSR_SERDES2_IO_SEL_SHIFT; + debug("PORDEVSR[SRDS1_IO_SEL] = %x\n", srds1_io_sel); + debug("PORDEVSR[SRDS2_IO_SEL] = %x\n", srds2_io_sel); + switch (srds2_io_sel) { case 1: /* Lane A - SATA1, Lane E - SATA2 */ /* CR 0 */ @@ -246,4 +227,23 @@ void fsl_serdes_init(void) default: break; } + + if (srds1_io_sel > ARRAY_SIZE(serdes1_cfg_tbl)) { + printf("Invalid PORDEVSR[SRDS1_IO_SEL] = %d\n", srds1_io_sel); + return; + } + for (lane = 0; lane < SRDS1_MAX_LANES; lane++) { + enum srds_prtcl lane_prtcl = serdes1_cfg_tbl[srds1_io_sel][lane]; + serdes1_prtcl_map |= (1 << lane_prtcl); + } + + if (srds2_io_sel > ARRAY_SIZE(serdes2_cfg_tbl)) { + printf("Invalid PORDEVSR[SRDS2_IO_SEL] = %d\n", srds2_io_sel); + return; + } + + for (lane = 0; lane < SRDS2_MAX_LANES; lane++) { + enum srds_prtcl lane_prtcl = serdes2_cfg_tbl[srds2_io_sel][lane]; + serdes2_prtcl_map |= (1 << lane_prtcl); + } } |