55 static int read_seed_from_cmos(struct pei_data *pei_data)  in read_seed_from_cmos()  argument
73 	ret = rtc_read32(dev, CMOS_OFFSET_MRC_SEED, &pei_data->scrambler_seed);  in read_seed_from_cmos()
76 				 &pei_data->scrambler_seed_s3);  in read_seed_from_cmos()
84 	      pei_data->scrambler_seed, CMOS_OFFSET_MRC_SEED);  in read_seed_from_cmos()
86 	      pei_data->scrambler_seed_s3, CMOS_OFFSET_MRC_SEED_S3);  in read_seed_from_cmos()
89 	c1 = compute_ip_checksum((u8 *)&pei_data->scrambler_seed,  in read_seed_from_cmos()
91 	c2 = compute_ip_checksum((u8 *)&pei_data->scrambler_seed_s3,  in read_seed_from_cmos()
100 		pei_data->scrambler_seed = 0;  in read_seed_from_cmos()
101 		pei_data->scrambler_seed_s3 = 0;  in read_seed_from_cmos()
108 static int prepare_mrc_cache(struct pei_data *pei_data)  in prepare_mrc_cache()  argument
114 	ret = read_seed_from_cmos(pei_data);  in prepare_mrc_cache()
124 	pei_data->mrc_input = mrc_cache->data;  in prepare_mrc_cache()
125 	pei_data->mrc_input_len = mrc_cache->data_size;  in prepare_mrc_cache()
127 	      pei_data->mrc_input, pei_data->mrc_input_len,  in prepare_mrc_cache()
133 static int write_seeds_to_cmos(struct pei_data *pei_data)  in write_seeds_to_cmos()  argument
146 	rtc_write32(dev, CMOS_OFFSET_MRC_SEED, pei_data->scrambler_seed);  in write_seeds_to_cmos()
148 	      pei_data->scrambler_seed, CMOS_OFFSET_MRC_SEED);  in write_seeds_to_cmos()
150 	rtc_write32(dev, CMOS_OFFSET_MRC_SEED_S3, pei_data->scrambler_seed_s3);  in write_seeds_to_cmos()
152 	      pei_data->scrambler_seed_s3, CMOS_OFFSET_MRC_SEED_S3);  in write_seeds_to_cmos()
155 	c1 = compute_ip_checksum((u8 *)&pei_data->scrambler_seed,  in write_seeds_to_cmos()
157 	c2 = compute_ip_checksum((u8 *)&pei_data->scrambler_seed_s3,  in write_seeds_to_cmos()
180 				   struct pei_data *pei_data)  in post_system_agent_init()  argument
196 	if (!pei_data->pcie_init)  in post_system_agent_init()
205 static int copy_spd(struct udevice *dev, struct pei_data *peid)  in copy_spd()
402 	struct pei_data _pei_data __aligned(8) = {  in dram_init()
455 	struct pei_data *pei_data = &_pei_data;  in dram_init()  local
477 	ret = copy_spd(dev, pei_data);  in dram_init()
482 	pei_data->boot_mode = gd->arch.pei_boot_mode;  in dram_init()
484 	debug("mrc_input %p\n", pei_data->mrc_input);  in dram_init()
491 	    pei_data->boot_mode == PEI_BOOT_RESUME) {  in dram_init()
492 		ret = prepare_mrc_cache(pei_data);  in dram_init()
498 	if (pei_data->boot_mode == PEI_BOOT_RESUME && !pei_data->mrc_input) {  in dram_init()
504 	pei_data->tx_byte = sdram_console_tx_byte;  in dram_init()
518 	ret = mrc_common_init(dev, pei_data, false);  in dram_init()
531 	debug("MRC output data length %#x at %p\n", pei_data->mrc_output_len,  in dram_init()
532 	      pei_data->mrc_output);  in dram_init()
534 	post_system_agent_init(dev, me_dev, pei_data);  in dram_init()
538 	if (pei_data->boot_mode != PEI_BOOT_RESUME) {  in dram_init()
543 		gd->arch.mrc_output = (char *)pei_data->mrc_output;  in dram_init()
544 		gd->arch.mrc_output_len = pei_data->mrc_output_len;  in dram_init()
545 		ret = write_seeds_to_cmos(pei_data);  in dram_init()