Lines Matching +full:4 +full:ns
7 * JEDEC standard No.21-C 4_01_02_11R18.pdf
34 * 0100 4Gb 512MB
47 * 000 4bits
64 if ((spd->bus_width & 0x7) < 4) in compute_ranksize()
66 if ((spd->organization & 0x7) < 4) in compute_ranksize()
144 pdimm->rcw[i+1] = (rcw >> 4) & 0x0F; in ddr_compute_dimm_parameters()
171 pdimm->n_banks_per_sdram_device = 8 << ((spd->density_banks >> 4) & 0x7); in ddr_compute_dimm_parameters()
192 * The unit in the SPD spec is ns, in ddr_compute_dimm_parameters()
194 * eg: MTB = 0.125ns (125ps) in ddr_compute_dimm_parameters()
205 ((spd->ftb_div & 0xf0) >> 4) * 10 / (spd->ftb_div & 0x0f); in ddr_compute_dimm_parameters()
209 * we assume the MTB is 0.125ns in ddr_compute_dimm_parameters()
211 * tck_min=15 MTB (1.875ns) ->DDR3-1066 in ddr_compute_dimm_parameters()
212 * =12 MTB (1.5ns) ->DDR3-1333 in ddr_compute_dimm_parameters()
213 * =10 MTB (1.25ns) ->DDR3-1600 in ddr_compute_dimm_parameters()
224 pdimm->caslat_x = ((spd->caslat_msb << 8) | spd->caslat_lsb) << 4; in ddr_compute_dimm_parameters()
229 * DDR3-800D 100 MTB (12.5ns) in ddr_compute_dimm_parameters()
230 * DDR3-1066F 105 MTB (13.125ns) in ddr_compute_dimm_parameters()
231 * DDR3-1333H 108 MTB (13.5ns) in ddr_compute_dimm_parameters()
232 * DDR3-1600H 90 MTB (11.25ns) in ddr_compute_dimm_parameters()
240 * twr_min = 120 MTB (15ns) -> all speed grades. in ddr_compute_dimm_parameters()
247 * DDR3-800 100 MTB (12.5ns) in ddr_compute_dimm_parameters()
248 * DDR3-1066F 105 MTB (13.125ns) in ddr_compute_dimm_parameters()
249 * DDR3-1333H 108 MTB (13.5ns) in ddr_compute_dimm_parameters()
258 * DDR3-800(1KB page) 80 MTB (10ns) in ddr_compute_dimm_parameters()
259 * DDR3-1333(1KB page) 48 MTB (6ns) in ddr_compute_dimm_parameters()
266 * DDR3-800D 100 MTB (12.5ns) in ddr_compute_dimm_parameters()
267 * DDR3-1066F 105 MTB (13.125ns) in ddr_compute_dimm_parameters()
268 * DDR3-1333H 108 MTB (13.5ns) in ddr_compute_dimm_parameters()
269 * DDR3-1600H 90 MTB (11.25ns) in ddr_compute_dimm_parameters()
276 * DDR3-800D 300 MTB (37.5ns) in ddr_compute_dimm_parameters()
277 * DDR3-1066F 300 MTB (37.5ns) in ddr_compute_dimm_parameters()
278 * DDR3-1333H 288 MTB (36ns) in ddr_compute_dimm_parameters()
279 * DDR3-1600H 280 MTB (35ns) in ddr_compute_dimm_parameters()
286 * DDR3-800D 400 MTB (50ns) in ddr_compute_dimm_parameters()
287 * DDR3-1066F 405 MTB (50.625ns) in ddr_compute_dimm_parameters()
288 * DDR3-1333H 396 MTB (49.5ns) in ddr_compute_dimm_parameters()
289 * DDR3-1600H 370 MTB (46.25ns) in ddr_compute_dimm_parameters()
291 pdimm->trc_ps = (((spd->tras_trc_ext & 0xf0) << 4) | spd->trc_min_lsb) in ddr_compute_dimm_parameters()
296 * 512Mb 720 MTB (90ns) in ddr_compute_dimm_parameters()
297 * 1Gb 880 MTB (110ns) in ddr_compute_dimm_parameters()
298 * 2Gb 1280 MTB (160ns) in ddr_compute_dimm_parameters()
304 * eg: twtr_min = 40 MTB (7.5ns) - all speed bins. in ddr_compute_dimm_parameters()
305 * tWRT is at least 4 mclk independent of operating freq. in ddr_compute_dimm_parameters()
311 * eg: trtp_min = 40 MTB (7.5ns) - all speed bins. in ddr_compute_dimm_parameters()
312 * tRTP is at least 4 mclk independent of operating freq. in ddr_compute_dimm_parameters()
330 * DDR3-800(1KB page) 320 MTB (40ns) in ddr_compute_dimm_parameters()
331 * DDR3-1066(1KB page) 300 MTB (37.5ns) in ddr_compute_dimm_parameters()
332 * DDR3-1333(1KB page) 240 MTB (30ns) in ddr_compute_dimm_parameters()
333 * DDR3-1600(1KB page) 240 MTB (30ns) in ddr_compute_dimm_parameters()