diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c b/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c index b67158c..d82eb67 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/ddr3_dimm_params.c @@ -210,12 +210,12 @@ ddr_compute_dimm_parameters(const ddr3_spd_eeprom_t *spd, * sdram minimum cycle time * we assume the MTB is 0.125ns * eg: - * tCK_min=15 MTB (1.875ns) ->DDR3-1066 + * tck_min=15 MTB (1.875ns) ->DDR3-1066 * =12 MTB (1.5ns) ->DDR3-1333 * =10 MTB (1.25ns) ->DDR3-1600 */ - pdimm->tCKmin_X_ps = spd->tCK_min * mtb_ps + - (spd->fine_tCK_min * ftb_10th_ps) / 10; + pdimm->tckmin_x_ps = spd->tck_min * mtb_ps + + (spd->fine_tck_min * ftb_10th_ps) / 10; /* * CAS latency supported @@ -223,55 +223,55 @@ ddr_compute_dimm_parameters(const ddr3_spd_eeprom_t *spd, * bit5 - CL5 * bit18 - CL18 */ - pdimm->caslat_X = ((spd->caslat_msb << 8) | spd->caslat_lsb) << 4; + pdimm->caslat_x = ((spd->caslat_msb << 8) | spd->caslat_lsb) << 4; /* * min CAS latency time - * eg: tAA_min = + * eg: taa_min = * DDR3-800D 100 MTB (12.5ns) * DDR3-1066F 105 MTB (13.125ns) * DDR3-1333H 108 MTB (13.5ns) * DDR3-1600H 90 MTB (11.25ns) */ - pdimm->tAA_ps = spd->tAA_min * mtb_ps + - (spd->fine_tAA_min * ftb_10th_ps) / 10; + pdimm->taa_ps = spd->taa_min * mtb_ps + + (spd->fine_taa_min * ftb_10th_ps) / 10; /* * min write recovery time * eg: - * tWR_min = 120 MTB (15ns) -> all speed grades. + * twr_min = 120 MTB (15ns) -> all speed grades. */ - pdimm->tWR_ps = spd->tWR_min * mtb_ps; + pdimm->twr_ps = spd->twr_min * mtb_ps; /* * min RAS to CAS delay time - * eg: tRCD_min = + * eg: trcd_min = * DDR3-800 100 MTB (12.5ns) * DDR3-1066F 105 MTB (13.125ns) * DDR3-1333H 108 MTB (13.5ns) * DDR3-1600H 90 MTB (11.25) */ - pdimm->tRCD_ps = spd->tRCD_min * mtb_ps + - (spd->fine_tRCD_min * ftb_10th_ps) / 10; + pdimm->trcd_ps = spd->trcd_min * mtb_ps + + (spd->fine_trcd_min * ftb_10th_ps) / 10; /* * min row active to row active delay time - * eg: tRRD_min = + * eg: trrd_min = * DDR3-800(1KB page) 80 MTB (10ns) * DDR3-1333(1KB page) 48 MTB (6ns) */ - pdimm->tRRD_ps = spd->tRRD_min * mtb_ps; + pdimm->trrd_ps = spd->trrd_min * mtb_ps; /* * min row precharge delay time - * eg: tRP_min = + * eg: trp_min = * DDR3-800D 100 MTB (12.5ns) * DDR3-1066F 105 MTB (13.125ns) * DDR3-1333H 108 MTB (13.5ns) * DDR3-1600H 90 MTB (11.25ns) */ - pdimm->tRP_ps = spd->tRP_min * mtb_ps + - (spd->fine_tRP_min * ftb_10th_ps) / 10; + pdimm->trp_ps = spd->trp_min * mtb_ps + + (spd->fine_trp_min * ftb_10th_ps) / 10; /* min active to precharge delay time * eg: tRAS_min = @@ -280,7 +280,7 @@ ddr_compute_dimm_parameters(const ddr3_spd_eeprom_t *spd, * DDR3-1333H 288 MTB (36ns) * DDR3-1600H 280 MTB (35ns) */ - pdimm->tRAS_ps = (((spd->tRAS_tRC_ext & 0xf) << 8) | spd->tRAS_min_lsb) + pdimm->tras_ps = (((spd->tras_trc_ext & 0xf) << 8) | spd->tras_min_lsb) * mtb_ps; /* * min active to actice/refresh delay time @@ -290,8 +290,8 @@ ddr_compute_dimm_parameters(const ddr3_spd_eeprom_t *spd, * DDR3-1333H 396 MTB (49.5ns) * DDR3-1600H 370 MTB (46.25ns) */ - pdimm->tRC_ps = (((spd->tRAS_tRC_ext & 0xf0) << 4) | spd->tRC_min_lsb) - * mtb_ps + (spd->fine_tRC_min * ftb_10th_ps) / 10; + pdimm->trc_ps = (((spd->tras_trc_ext & 0xf0) << 4) | spd->trc_min_lsb) + * mtb_ps + (spd->fine_trc_min * ftb_10th_ps) / 10; /* * min refresh recovery delay time * eg: tRFC_min = @@ -299,21 +299,21 @@ ddr_compute_dimm_parameters(const ddr3_spd_eeprom_t *spd, * 1Gb 880 MTB (110ns) * 2Gb 1280 MTB (160ns) */ - pdimm->tRFC_ps = ((spd->tRFC_min_msb << 8) | spd->tRFC_min_lsb) + pdimm->trfc_ps = ((spd->trfc_min_msb << 8) | spd->trfc_min_lsb) * mtb_ps; /* * min internal write to read command delay time - * eg: tWTR_min = 40 MTB (7.5ns) - all speed bins. + * eg: twtr_min = 40 MTB (7.5ns) - all speed bins. * tWRT is at least 4 mclk independent of operating freq. */ - pdimm->tWTR_ps = spd->tWTR_min * mtb_ps; + pdimm->twtr_ps = spd->twtr_min * mtb_ps; /* * min internal read to precharge command delay time - * eg: tRTP_min = 40 MTB (7.5ns) - all speed bins. + * eg: trtp_min = 40 MTB (7.5ns) - all speed bins. * tRTP is at least 4 mclk independent of operating freq. */ - pdimm->tRTP_ps = spd->tRTP_min * mtb_ps; + pdimm->trtp_ps = spd->trtp_min * mtb_ps; /* * Average periodic refresh interval @@ -324,13 +324,13 @@ ddr_compute_dimm_parameters(const ddr3_spd_eeprom_t *spd, /* * min four active window delay time - * eg: tFAW_min = + * eg: tfaw_min = * DDR3-800(1KB page) 320 MTB (40ns) * DDR3-1066(1KB page) 300 MTB (37.5ns) * DDR3-1333(1KB page) 240 MTB (30ns) * DDR3-1600(1KB page) 240 MTB (30ns) */ - pdimm->tFAW_ps = (((spd->tFAW_msb & 0xf) << 8) | spd->tFAW_min) + pdimm->tfaw_ps = (((spd->tfaw_msb & 0xf) << 8) | spd->tfaw_min) * mtb_ps; return 0; |