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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (C) Copyright 2011
- * Graeme Russ, <graeme.russ@gmail.com>
- */
- #include <common.h>
- #include <init.h>
- #include <linux/errno.h>
- #include <asm/mtrr.h>
- DECLARE_GLOBAL_DATA_PTR;
- int init_cache_f_r(void)
- {
- bool do_mtrr = CONFIG_IS_ENABLED(X86_32BIT_INIT) ||
- IS_ENABLED(CONFIG_FSP_VERSION2);
- int ret;
- do_mtrr &= !IS_ENABLED(CONFIG_FSP_VERSION1) &&
- !IS_ENABLED(CONFIG_SYS_SLIMBOOTLOADER);
- if (do_mtrr) {
- ret = mtrr_commit(false);
- /*
- * If MTRR MSR is not implemented by the processor, just ignore
- * it
- */
- if (ret && ret != -ENOSYS)
- return ret;
- }
- /* Initialise the CPU cache(s) */
- return init_cache();
- }
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