2018-05-07 06:58:06 +09:00
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// SPDX-License-Identifier: GPL-2.0+
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2011-12-23 14:51:29 +09:00
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/*
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* (C) Copyright 2011
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* Graeme Russ, <graeme.russ@gmail.com>
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*/
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2015-08-13 16:29:10 +09:00
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2011-12-23 14:51:29 +09:00
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#include <common.h>
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2016-09-21 11:28:55 +09:00
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#include <linux/errno.h>
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2015-01-02 08:18:11 +09:00
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#include <asm/mtrr.h>
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2011-12-23 14:51:29 +09:00
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DECLARE_GLOBAL_DATA_PTR;
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2011-12-23 19:14:22 +09:00
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int init_cache_f_r(void)
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{
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2019-09-25 23:56:49 +09:00
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bool do_mtrr = CONFIG_IS_ENABLED(X86_32BIT_INIT) ||
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IS_ENABLED(CONFIG_FSP_VERSION2);
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2015-01-02 08:18:11 +09:00
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int ret;
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2019-09-25 23:56:49 +09:00
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do_mtrr &= !IS_ENABLED(CONFIG_FSP_VERSION1) &&
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!IS_ENABLED(CONFIG_SYS_SLIMBOOTLOADER);
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if (do_mtrr) {
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ret = mtrr_commit(false);
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/*
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* If MTRR MSR is not implemented by the processor, just ignore
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* it
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*/
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if (ret && ret != -ENOSYS)
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return ret;
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}
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2011-12-23 19:14:22 +09:00
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/* Initialise the CPU cache(s) */
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return init_cache();
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}
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