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- // SPDX-License-Identifier: Intel
- /*
- * Copyright (C) 2015-2016 Intel Corp.
- * (Written by Andrey Petrov <andrey.petrov@intel.com> for Intel Corp.)
- * (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
- * Mostly taken from coreboot fsp2_0/memory_init.c
- */
- #include <common.h>
- #include <binman.h>
- #include <bootstage.h>
- #include <asm/mrccache.h>
- #include <asm/fsp/fsp_infoheader.h>
- #include <asm/fsp2/fsp_api.h>
- #include <asm/fsp2/fsp_internal.h>
- #include <asm/arch/fsp/fsp_configs.h>
- #include <asm/arch/fsp/fsp_m_upd.h>
- static int prepare_mrc_cache_type(enum mrc_type_t type,
- struct mrc_data_container **cachep)
- {
- struct mrc_data_container *cache;
- struct mrc_region entry;
- int ret;
- ret = mrccache_get_region(type, NULL, &entry);
- if (ret)
- return ret;
- cache = mrccache_find_current(&entry);
- if (!cache)
- return -ENOENT;
- log_debug("MRC at %x, size %x\n", (uint)cache->data, cache->data_size);
- *cachep = cache;
- return 0;
- }
- int prepare_mrc_cache(struct fspm_upd *upd)
- {
- struct mrc_data_container *cache;
- int ret;
- ret = prepare_mrc_cache_type(MRC_TYPE_NORMAL, &cache);
- if (ret)
- return log_msg_ret("Cannot get normal cache", ret);
- upd->arch.nvs_buffer_ptr = cache->data;
- ret = prepare_mrc_cache_type(MRC_TYPE_VAR, &cache);
- if (ret)
- return log_msg_ret("Cannot get var cache", ret);
- upd->config.variable_nvs_buffer_ptr = cache->data;
- return 0;
- }
- int fsp_memory_init(bool s3wake, bool use_spi_flash)
- {
- struct fspm_upd upd, *fsp_upd;
- fsp_memory_init_func func;
- struct binman_entry entry;
- struct fsp_header *hdr;
- struct hob_header *hob;
- struct udevice *dev;
- int ret;
- ret = fsp_locate_fsp(FSP_M, &entry, use_spi_flash, &dev, &hdr, NULL);
- if (ret)
- return log_msg_ret("locate FSP", ret);
- debug("Found FSP_M at %x, size %x\n", hdr->img_base, hdr->img_size);
- /* Copy over the default config */
- fsp_upd = (struct fspm_upd *)(hdr->img_base + hdr->cfg_region_off);
- if (fsp_upd->header.signature != FSPM_UPD_SIGNATURE)
- return log_msg_ret("Bad UPD signature", -EPERM);
- memcpy(&upd, fsp_upd, sizeof(upd));
- ret = fspm_update_config(dev, &upd);
- if (ret)
- return log_msg_ret("Could not setup config", ret);
- debug("SDRAM init...");
- bootstage_start(BOOTSTAGE_ID_ACCUM_FSP_M, "fsp-m");
- func = (fsp_memory_init_func)(hdr->img_base + hdr->fsp_mem_init);
- ret = func(&upd, &hob);
- bootstage_accum(BOOTSTAGE_ID_ACCUM_FSP_M);
- if (ret)
- return log_msg_ret("SDRAM init fail\n", ret);
- gd->arch.hob_list = hob;
- debug("done\n");
- ret = fspm_done(dev);
- if (ret)
- return log_msg_ret("fsm_done\n", ret);
- return 0;
- }
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