diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc8xxx/ddr/ddr1_dimm_params.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/ddr/ddr1_dimm_params.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ddr1_dimm_params.c b/arch/powerpc/cpu/mpc8xxx/ddr/ddr1_dimm_params.c index 376be2f..f137fce 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/ddr1_dimm_params.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/ddr1_dimm_params.c @@ -287,57 +287,57 @@ ddr_compute_dimm_parameters(const ddr1_spd_eeprom_t *spd, * The SPD clk_cycle field (tCKmin) is measured in tenths of * nanoseconds and represented as BCD. */ - pdimm->tCKmin_X_ps + pdimm->tckmin_x_ps = convert_bcd_tenths_to_cycle_time_ps(spd->clk_cycle); - pdimm->tCKmin_X_minus_1_ps + pdimm->tckmin_x_minus_1_ps = convert_bcd_tenths_to_cycle_time_ps(spd->clk_cycle2); - pdimm->tCKmin_X_minus_2_ps + pdimm->tckmin_x_minus_2_ps = convert_bcd_tenths_to_cycle_time_ps(spd->clk_cycle3); - pdimm->tCKmax_ps = compute_tckmax_from_spd_ps(spd->tckmax); + pdimm->tckmax_ps = compute_tckmax_from_spd_ps(spd->tckmax); /* * Compute CAS latencies defined by SPD - * The SPD caslat_X should have at least 1 and at most 3 bits set. + * The SPD caslat_x should have at least 1 and at most 3 bits set. * * If cas_lat after masking is 0, the __ilog2 function returns * 255 into the variable. This behavior is abused once. */ - pdimm->caslat_X = __ilog2(spd->cas_lat); - pdimm->caslat_X_minus_1 = __ilog2(spd->cas_lat - & ~(1 << pdimm->caslat_X)); - pdimm->caslat_X_minus_2 = __ilog2(spd->cas_lat - & ~(1 << pdimm->caslat_X) - & ~(1 << pdimm->caslat_X_minus_1)); + pdimm->caslat_x = __ilog2(spd->cas_lat); + pdimm->caslat_x_minus_1 = __ilog2(spd->cas_lat + & ~(1 << pdimm->caslat_x)); + pdimm->caslat_x_minus_2 = __ilog2(spd->cas_lat + & ~(1 << pdimm->caslat_x) + & ~(1 << pdimm->caslat_x_minus_1)); /* Compute CAS latencies below that defined by SPD */ pdimm->caslat_lowest_derated = compute_derated_DDR1_CAS_latency(get_memory_clk_period_ps()); /* Compute timing parameters */ - pdimm->tRCD_ps = spd->trcd * 250; - pdimm->tRP_ps = spd->trp * 250; - pdimm->tRAS_ps = spd->tras * 1000; + pdimm->trcd_ps = spd->trcd * 250; + pdimm->trp_ps = spd->trp * 250; + pdimm->tras_ps = spd->tras * 1000; - pdimm->tWR_ps = mclk_to_picos(3); - pdimm->tWTR_ps = mclk_to_picos(1); - pdimm->tRFC_ps = compute_trfc_ps_from_spd(0, spd->trfc); + pdimm->twr_ps = mclk_to_picos(3); + pdimm->twtr_ps = mclk_to_picos(1); + pdimm->trfc_ps = compute_trfc_ps_from_spd(0, spd->trfc); - pdimm->tRRD_ps = spd->trrd * 250; - pdimm->tRC_ps = compute_trc_ps_from_spd(0, spd->trc); + pdimm->trrd_ps = spd->trrd * 250; + pdimm->trc_ps = compute_trc_ps_from_spd(0, spd->trc); pdimm->refresh_rate_ps = determine_refresh_rate_ps(spd->refresh); - pdimm->tIS_ps = convert_bcd_hundredths_to_cycle_time_ps(spd->ca_setup); - pdimm->tIH_ps = convert_bcd_hundredths_to_cycle_time_ps(spd->ca_hold); - pdimm->tDS_ps + pdimm->tis_ps = convert_bcd_hundredths_to_cycle_time_ps(spd->ca_setup); + pdimm->tih_ps = convert_bcd_hundredths_to_cycle_time_ps(spd->ca_hold); + pdimm->tds_ps = convert_bcd_hundredths_to_cycle_time_ps(spd->data_setup); - pdimm->tDH_ps + pdimm->tdh_ps = convert_bcd_hundredths_to_cycle_time_ps(spd->data_hold); - pdimm->tRTP_ps = mclk_to_picos(2); /* By the book. */ - pdimm->tDQSQ_max_ps = spd->tdqsq * 10; - pdimm->tQHS_ps = spd->tqhs * 10; + pdimm->trtp_ps = mclk_to_picos(2); /* By the book. */ + pdimm->tdqsq_max_ps = spd->tdqsq * 10; + pdimm->tqhs_ps = spd->tqhs * 10; return 0; } |