diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc8xxx/ddr/ddr2_dimm_params.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/ddr/ddr2_dimm_params.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ddr2_dimm_params.c b/arch/powerpc/cpu/mpc8xxx/ddr/ddr2_dimm_params.c index dcb37ce..b565e33 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/ddr2_dimm_params.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/ddr2_dimm_params.c @@ -250,24 +250,27 @@ ddr_compute_dimm_parameters(const ddr2_spd_eeprom_t *spd, pdimm->primary_sdram_width = spd->primw; pdimm->ec_sdram_width = spd->ecw; - /* FIXME: what about registered SO-DIMM? */ + /* These are all the types defined by the JEDEC DDR2 SPD 1.3 spec */ switch (spd->dimm_type) { - case 0x01: /* RDIMM */ - case 0x10: /* Mini-RDIMM */ - pdimm->registered_dimm = 1; /* register buffered */ + case DDR2_SPD_DIMMTYPE_RDIMM: + case DDR2_SPD_DIMMTYPE_72B_SO_RDIMM: + case DDR2_SPD_DIMMTYPE_MINI_RDIMM: + /* Registered/buffered DIMMs */ + pdimm->registered_dimm = 1; break; - case 0x02: /* UDIMM */ - case 0x04: /* SO-DIMM */ - case 0x08: /* Micro-DIMM */ - case 0x20: /* Mini-UDIMM */ - pdimm->registered_dimm = 0; /* unbuffered */ + case DDR2_SPD_DIMMTYPE_UDIMM: + case DDR2_SPD_DIMMTYPE_SO_DIMM: + case DDR2_SPD_DIMMTYPE_MICRO_DIMM: + case DDR2_SPD_DIMMTYPE_MINI_UDIMM: + /* Unbuffered DIMMs */ + pdimm->registered_dimm = 0; break; + case DDR2_SPD_DIMMTYPE_72B_SO_CDIMM: default: printf("unknown dimm_type 0x%02X\n", spd->dimm_type); return 1; - break; } /* SDRAM device parameters */ |