56 static int read_seed_from_cmos(struct pei_data *pei_data)  in read_seed_from_cmos()  argument
74 	ret = rtc_read32(dev, CMOS_OFFSET_MRC_SEED, &pei_data->scrambler_seed);  in read_seed_from_cmos()
77 				 &pei_data->scrambler_seed_s3);  in read_seed_from_cmos()
85 	      pei_data->scrambler_seed, CMOS_OFFSET_MRC_SEED);  in read_seed_from_cmos()
87 	      pei_data->scrambler_seed_s3, CMOS_OFFSET_MRC_SEED_S3);  in read_seed_from_cmos()
90 	c1 = compute_ip_checksum((u8 *)&pei_data->scrambler_seed,  in read_seed_from_cmos()
92 	c2 = compute_ip_checksum((u8 *)&pei_data->scrambler_seed_s3,  in read_seed_from_cmos()
101 		pei_data->scrambler_seed = 0;  in read_seed_from_cmos()
102 		pei_data->scrambler_seed_s3 = 0;  in read_seed_from_cmos()
109 static int prepare_mrc_cache(struct pei_data *pei_data)  in prepare_mrc_cache()  argument
115 	ret = read_seed_from_cmos(pei_data);  in prepare_mrc_cache()
125 	pei_data->mrc_input = mrc_cache->data;  in prepare_mrc_cache()
126 	pei_data->mrc_input_len = mrc_cache->data_size;  in prepare_mrc_cache()
128 	      pei_data->mrc_input, pei_data->mrc_input_len,  in prepare_mrc_cache()
134 static int write_seeds_to_cmos(struct pei_data *pei_data)  in write_seeds_to_cmos()  argument
147 	rtc_write32(dev, CMOS_OFFSET_MRC_SEED, pei_data->scrambler_seed);  in write_seeds_to_cmos()
149 	      pei_data->scrambler_seed, CMOS_OFFSET_MRC_SEED);  in write_seeds_to_cmos()
151 	rtc_write32(dev, CMOS_OFFSET_MRC_SEED_S3, pei_data->scrambler_seed_s3);  in write_seeds_to_cmos()
153 	      pei_data->scrambler_seed_s3, CMOS_OFFSET_MRC_SEED_S3);  in write_seeds_to_cmos()
156 	c1 = compute_ip_checksum((u8 *)&pei_data->scrambler_seed,  in write_seeds_to_cmos()
158 	c2 = compute_ip_checksum((u8 *)&pei_data->scrambler_seed_s3,  in write_seeds_to_cmos()
181 				   struct pei_data *pei_data)  in post_system_agent_init()  argument
197 	if (!pei_data->pcie_init)  in post_system_agent_init()
206 static int copy_spd(struct udevice *dev, struct pei_data *peid)  in copy_spd()
403 	struct pei_data _pei_data __aligned(8) = {  in dram_init()
456 	struct pei_data *pei_data = &_pei_data;  in dram_init()  local
478 	ret = copy_spd(dev, pei_data);  in dram_init()
483 	pei_data->boot_mode = gd->arch.pei_boot_mode;  in dram_init()
485 	debug("mrc_input %p\n", pei_data->mrc_input);  in dram_init()
492 	    pei_data->boot_mode == PEI_BOOT_RESUME) {  in dram_init()
493 		ret = prepare_mrc_cache(pei_data);  in dram_init()
499 	if (pei_data->boot_mode == PEI_BOOT_RESUME && !pei_data->mrc_input) {  in dram_init()
505 	pei_data->tx_byte = sdram_console_tx_byte;  in dram_init()
519 	ret = mrc_common_init(dev, pei_data, false);  in dram_init()
532 	debug("MRC output data length %#x at %p\n", pei_data->mrc_output_len,  in dram_init()
533 	      pei_data->mrc_output);  in dram_init()
535 	post_system_agent_init(dev, me_dev, pei_data);  in dram_init()
539 	if (pei_data->boot_mode != PEI_BOOT_RESUME) {  in dram_init()
544 		gd->arch.mrc_output = (char *)pei_data->mrc_output;  in dram_init()
545 		gd->arch.mrc_output_len = pei_data->mrc_output_len;  in dram_init()
546 		ret = write_seeds_to_cmos(pei_data);  in dram_init()