Lines Matching defs:pdimm
133 int cal_dimm_params(const struct ddr4_spd *spd, struct dimm_params *pdimm)
162 memcpy(pdimm->mpart, spd->mpart, sizeof(pdimm->mpart) - 1);
166 pdimm->n_ranks = ((spd->organization >> 3) & 0x7) + 1;
167 debug("n_ranks %d\n", pdimm->n_ranks);
168 pdimm->rank_density = compute_ranksize(spd);
169 if (pdimm->rank_density == 0) {
173 debug("rank_density 0x%llx\n", pdimm->rank_density);
174 pdimm->capacity = pdimm->n_ranks * pdimm->rank_density;
175 debug("capacity 0x%llx\n", pdimm->capacity);
176 pdimm->die_density = spd->density_banks & 0xf;
177 debug("die density 0x%x\n", pdimm->die_density);
178 pdimm->primary_sdram_width = 1 << (3 + (spd->bus_width & 0x7));
179 debug("primary_sdram_width %d\n", pdimm->primary_sdram_width);
181 pdimm->ec_sdram_width = 8;
183 pdimm->ec_sdram_width = 0;
185 debug("ec_sdram_width %d\n", pdimm->ec_sdram_width);
186 pdimm->device_width = 1 << ((spd->organization & 0x7) + 2);
187 debug("device_width %d\n", pdimm->device_width);
188 pdimm->package_3ds = (spd->package_type & 0x3) == 0x2 ?
190 debug("package_3ds %d\n", pdimm->package_3ds);
196 pdimm->rdimm = 1;
197 pdimm->rc = spd->mod_section.registered.ref_raw_card & 0x9f;
199 pdimm->mirrored_dimm = 1;
202 pdimm->rcw[3] = val >> 4;
203 pdimm->rcw[4] = ((val & 0x3) << 2) | ((val & 0xc) >> 2);
205 pdimm->rcw[5] = ((val & 0x3) << 2) | ((val & 0xc) >> 2);
206 pdimm->rcw[6] = 0xf;
208 pdimm->rcw[8] = pdimm->die_density >= 0x6 ? 0x0 : 0x8 |
209 (pdimm->package_3ds > 0x3 ? 0x0 :
210 (pdimm->package_3ds > 0x1 ? 0x1 :
211 (pdimm->package_3ds > 0 ? 0x2 : 0x3)));
212 if (pdimm->package_3ds != 0 || pdimm->n_ranks != 4) {
213 pdimm->rcw[13] = 0x4;
215 pdimm->rcw[13] = 0x5;
217 pdimm->rcw[13] |= pdimm->mirrored_dimm ? 0x8 : 0;
226 pdimm->rc = spd->mod_section.unbuffered.ref_raw_card & 0x9f;
228 pdimm->mirrored_dimm = 1;
251 debug("rdimm %d\n", pdimm->rdimm);
252 debug("mirrored_dimm %d\n", pdimm->mirrored_dimm);
253 debug("rc 0x%x\n", pdimm->rc);
256 pdimm->n_row_addr = ((spd->addressing >> 3) & 0x7) + 12;
257 debug("n_row_addr %d\n", pdimm->n_row_addr);
258 pdimm->n_col_addr = (spd->addressing & 0x7) + 9;
259 debug("n_col_addr %d\n", pdimm->n_col_addr);
260 pdimm->bank_addr_bits = (spd->density_banks >> 4) & 0x3;
261 debug("bank_addr_bits %d\n", pdimm->bank_addr_bits);
262 pdimm->bank_group_bits = (spd->density_banks >> 6) & 0x3;
263 debug("bank_group_bits %d\n", pdimm->bank_group_bits);
265 if (pdimm->ec_sdram_width != 0) {
266 pdimm->edc_config = 0x02;
268 pdimm->edc_config = 0x00;
270 debug("edc_config %d\n", pdimm->edc_config);
273 pdimm->burst_lengths_bitmask = 0x0c;
274 debug("burst_lengths_bitmask 0x%x\n", pdimm->burst_lengths_bitmask);
284 pdimm->mtb_ps = 125;
285 pdimm->ftb_10th_ps = 10;
293 pdimm->tckmin_x_ps = spd_to_ps(spd->tck_min, spd->fine_tck_min);
294 debug("tckmin_x_ps %d\n", pdimm->tckmin_x_ps);
297 pdimm->tckmax_ps = spd_to_ps(spd->tck_max, spd->fine_tck_max);
298 debug("tckmax_ps %d\n", pdimm->tckmax_ps);
308 pdimm->caslat_x = (spd->caslat_b1 << 7) |
311 debug("caslat_x 0x%x\n", pdimm->caslat_x);
320 pdimm->taa_ps = spd_to_ps(spd->taa_min, spd->fine_taa_min);
321 debug("taa_ps %d\n", pdimm->taa_ps);
326 pdimm->trcd_ps = spd_to_ps(spd->trcd_min, spd->fine_trcd_min);
327 debug("trcd_ps %d\n", pdimm->trcd_ps);
332 pdimm->trp_ps = spd_to_ps(spd->trp_min, spd->fine_trp_min);
333 debug("trp_ps %d\n", pdimm->trp_ps);
336 pdimm->tras_ps = (((spd->tras_trc_ext & 0xf) << 8) +
337 spd->tras_min_lsb) * pdimm->mtb_ps;
338 debug("tras_ps %d\n", pdimm->tras_ps);
341 pdimm->trc_ps = spd_to_ps((((spd->tras_trc_ext & 0xf0) << 4) +
343 debug("trc_ps %d\n", pdimm->trc_ps);
345 pdimm->trfc1_ps = ((spd->trfc1_min_msb << 8) | (spd->trfc1_min_lsb)) *
346 pdimm->mtb_ps;
347 debug("trfc1_ps %d\n", pdimm->trfc1_ps);
348 pdimm->trfc2_ps = ((spd->trfc2_min_msb << 8) | (spd->trfc2_min_lsb)) *
349 pdimm->mtb_ps;
350 debug("trfc2_ps %d\n", pdimm->trfc2_ps);
351 pdimm->trfc4_ps = ((spd->trfc4_min_msb << 8) | (spd->trfc4_min_lsb)) *
352 pdimm->mtb_ps;
353 debug("trfc4_ps %d\n", pdimm->trfc4_ps);
355 pdimm->tfaw_ps = (((spd->tfaw_msb & 0xf) << 8) | spd->tfaw_min) *
356 pdimm->mtb_ps;
357 debug("tfaw_ps %d\n", pdimm->tfaw_ps);
360 pdimm->trrds_ps = spd_to_ps(spd->trrds_min, spd->fine_trrds_min);
361 debug("trrds_ps %d\n", pdimm->trrds_ps);
363 pdimm->trrdl_ps = spd_to_ps(spd->trrdl_min, spd->fine_trrdl_min);
364 debug("trrdl_ps %d\n", pdimm->trrdl_ps);
366 pdimm->tccdl_ps = spd_to_ps(spd->tccdl_min, spd->fine_tccdl_min);
367 debug("tccdl_ps %d\n", pdimm->tccdl_ps);
368 if (pdimm->package_3ds != 0) {
369 if (pdimm->die_density > 5) {
371 pdimm->die_density);
374 pdimm->trfc_slr_ps = (pdimm->die_density <= 4) ?
377 debug("trfc_slr_ps %d\n", pdimm->trfc_slr_ps);
380 pdimm->twr_ps = 15000;
381 debug("twr_ps %d\n", pdimm->twr_ps);
387 pdimm->refresh_rate_ps = 7800000;
388 debug("refresh_rate_ps %d\n", pdimm->refresh_rate_ps);
391 pdimm->dq_mapping[i] = spd->mapping[i];
392 debug("dq_mapping 0x%x\n", pdimm->dq_mapping[i]);
395 pdimm->dq_mapping_ors = ((spd->mapping[0] >> 6) & 0x3) == 0 ? 1 : 0;
396 debug("dq_mapping_ors %d\n", pdimm->dq_mapping_ors);