2018-05-07 06:58:06 +09:00
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// SPDX-License-Identifier: GPL-2.0+
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2014-12-17 16:50:36 +09:00
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/*
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* Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
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*/
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#include <common.h>
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2019-08-25 05:10:32 +09:00
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#include <asm/fsp/fsp_support.h>
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2014-12-17 16:50:36 +09:00
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int dram_init(void)
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{
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2019-08-25 05:10:32 +09:00
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int ret;
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2014-12-17 16:50:36 +09:00
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2019-08-25 05:10:32 +09:00
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/* The FSP has already set up DRAM, so grab the info we need */
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ret = fsp_scan_for_ram_size();
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if (ret)
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return ret;
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2014-12-17 16:50:36 +09:00
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2019-09-25 23:11:27 +09:00
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if (IS_ENABLED(CONFIG_ENABLE_MRC_CACHE))
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gd->arch.mrc_output = fsp_get_nvs_data(gd->arch.hob_list,
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2015-10-12 13:37:42 +09:00
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&gd->arch.mrc_output_len);
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2014-12-17 16:50:36 +09:00
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return 0;
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}
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/*
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* This function looks for the highest region of memory lower than 4GB which
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* has enough space for U-Boot where U-Boot is aligned on a page boundary.
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* It overrides the default implementation found elsewhere which simply
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* picks the end of ram, wherever that may be. The location of the stack,
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* the relocation address, and how far U-Boot is moved by relocation are
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* set in the global data structure.
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*/
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ulong board_get_usable_ram_top(ulong total_size)
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{
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2014-12-17 16:50:49 +09:00
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return fsp_get_usable_lowmem_top(gd->arch.hob_list);
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2014-12-17 16:50:36 +09:00
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}
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