84 compute_ranksize(const struct ddr4_spd_eeprom_s *spd)  in compute_ranksize()  argument
94 	if ((spd->density_banks & 0xf) <= 7)  in compute_ranksize()
95 		nbit_sdram_cap_bsize = (spd->density_banks & 0xf) + 28;  in compute_ranksize()
96 	if ((spd->bus_width & 0x7) < 4)  in compute_ranksize()
97 		nbit_primary_bus_width = (spd->bus_width & 0x7) + 3;  in compute_ranksize()
98 	if ((spd->organization & 0x7) < 4)  in compute_ranksize()
99 		nbit_sdram_width = (spd->organization & 0x7) + 2;  in compute_ranksize()
100 	package_3ds = (spd->package_type & 0x3) == 0x2;  in compute_ranksize()
102 		die_count = (spd->package_type >> 4) & 0x7;  in compute_ranksize()
123 					 const generic_spd_eeprom_t *spd,  in ddr_compute_dimm_parameters()  argument
136 	if (spd->mem_type) {  in ddr_compute_dimm_parameters()
137 		if (spd->mem_type != SPD_MEMTYPE_DDR4) {  in ddr_compute_dimm_parameters()
147 	retval = ddr4_spd_check(spd);  in ddr_compute_dimm_parameters()
159 	if ((spd->info_size_crc & 0xF) > 2)  in ddr_compute_dimm_parameters()
160 		memcpy(pdimm->mpart, spd->mpart, sizeof(pdimm->mpart) - 1);  in ddr_compute_dimm_parameters()
163 	pdimm->n_ranks = ((spd->organization >> 3) & 0x7) + 1;  in ddr_compute_dimm_parameters()
164 	pdimm->rank_density = compute_ranksize(spd);  in ddr_compute_dimm_parameters()
166 	pdimm->primary_sdram_width = 1 << (3 + (spd->bus_width & 0x7));  in ddr_compute_dimm_parameters()
167 	if ((spd->bus_width >> 3) & 0x3)  in ddr_compute_dimm_parameters()
173 	pdimm->device_width = 1 << ((spd->organization & 0x7) + 2);  in ddr_compute_dimm_parameters()
178 	switch (spd->module_type & DDR4_SPD_MODULETYPE_MASK) {  in ddr_compute_dimm_parameters()
187 		if (spd->mod_section.unbuffered.addr_mapping & 0x1)  in ddr_compute_dimm_parameters()
189 		if ((spd->mod_section.unbuffered.mod_height & 0xe0) == 0 &&  in ddr_compute_dimm_parameters()
190 		    (spd->mod_section.unbuffered.ref_raw_card == 0x04)) {  in ddr_compute_dimm_parameters()
193 				if (spd->mapping[i] == udimm_rc_e_dq[i])  in ddr_compute_dimm_parameters()
197 				      60 + i, spd->mapping[i],  in ddr_compute_dimm_parameters()
199 				ptr = (u8 *)&spd->mapping[i];  in ddr_compute_dimm_parameters()
208 		printf("unknown module_type 0x%02X\n", spd->module_type);  in ddr_compute_dimm_parameters()
213 	pdimm->n_row_addr = ((spd->addressing >> 3) & 0x7) + 12;  in ddr_compute_dimm_parameters()
214 	pdimm->n_col_addr = (spd->addressing & 0x7) + 9;  in ddr_compute_dimm_parameters()
215 	pdimm->bank_addr_bits = (spd->density_banks >> 4) & 0x3;  in ddr_compute_dimm_parameters()
216 	pdimm->bank_group_bits = (spd->density_banks >> 6) & 0x3;  in ddr_compute_dimm_parameters()
243 	if ((spd->timebases & 0xf) == 0x0) {  in ddr_compute_dimm_parameters()
252 	pdimm->tckmin_x_ps = spd_to_ps(spd->tck_min, spd->fine_tck_min);  in ddr_compute_dimm_parameters()
255 	pdimm->tckmax_ps = spd_to_ps(spd->tck_max, spd->fine_tck_max);  in ddr_compute_dimm_parameters()
265 	pdimm->caslat_x  = (spd->caslat_b1 << 7)	|  in ddr_compute_dimm_parameters()
266 			   (spd->caslat_b2 << 15)	|  in ddr_compute_dimm_parameters()
267 			   (spd->caslat_b3 << 23);  in ddr_compute_dimm_parameters()
269 	BUG_ON(spd->caslat_b4 != 0);  in ddr_compute_dimm_parameters()
274 	pdimm->taa_ps = spd_to_ps(spd->taa_min, spd->fine_taa_min);  in ddr_compute_dimm_parameters()
279 	pdimm->trcd_ps = spd_to_ps(spd->trcd_min, spd->fine_trcd_min);  in ddr_compute_dimm_parameters()
284 	pdimm->trp_ps = spd_to_ps(spd->trp_min, spd->fine_trp_min);  in ddr_compute_dimm_parameters()
287 	pdimm->tras_ps = (((spd->tras_trc_ext & 0xf) << 8) +  in ddr_compute_dimm_parameters()
288 			  spd->tras_min_lsb) * pdimm->mtb_ps;  in ddr_compute_dimm_parameters()
291 	pdimm->trc_ps = spd_to_ps((((spd->tras_trc_ext & 0xf0) << 4) +  in ddr_compute_dimm_parameters()
292 				   spd->trc_min_lsb), spd->fine_trc_min);  in ddr_compute_dimm_parameters()
294 	pdimm->trfc1_ps = ((spd->trfc1_min_msb << 8) | (spd->trfc1_min_lsb)) *  in ddr_compute_dimm_parameters()
296 	pdimm->trfc2_ps = ((spd->trfc2_min_msb << 8) | (spd->trfc2_min_lsb)) *  in ddr_compute_dimm_parameters()
298 	pdimm->trfc4_ps = ((spd->trfc4_min_msb << 8) | (spd->trfc4_min_lsb)) *  in ddr_compute_dimm_parameters()
301 	pdimm->tfaw_ps = (((spd->tfaw_msb & 0xf) << 8) | spd->tfaw_min) *  in ddr_compute_dimm_parameters()
305 	pdimm->trrds_ps = spd_to_ps(spd->trrds_min, spd->fine_trrds_min);  in ddr_compute_dimm_parameters()
307 	pdimm->trrdl_ps = spd_to_ps(spd->trrdl_min, spd->fine_trrdl_min);  in ddr_compute_dimm_parameters()
309 	pdimm->tccdl_ps = spd_to_ps(spd->tccdl_min, spd->fine_tccdl_min);  in ddr_compute_dimm_parameters()
318 		pdimm->dq_mapping[i] = spd->mapping[i];  in ddr_compute_dimm_parameters()
320 	pdimm->dq_mapping_ors = ((spd->mapping[0] >> 6) & 0x3) == 0 ? 1 : 0;  in ddr_compute_dimm_parameters()