u-boot/arch/x86/lib/init_helpers.c
Simon Glass 665cb18ea6 x86: Don't set up MTRRs in SPL
The MTRRs are normally set up in U-Boot proper, so avoid setting them up
in SPL as well.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-05-08 13:02:16 +08:00

34 lines
726 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2011
* Graeme Russ, <graeme.russ@gmail.com>
*/
#include <common.h>
#include <linux/errno.h>
#include <asm/mtrr.h>
DECLARE_GLOBAL_DATA_PTR;
/* Get the top of usable RAM */
__weak ulong board_get_usable_ram_top(ulong total_size)
{
return gd->ram_size;
}
int init_cache_f_r(void)
{
#if (CONFIG_IS_ENABLED(X86_32BIT_INIT) || \
(!defined(CONFIG_SPL_BUILD) && \
!CONFIG_IS_ENABLED(CONFIG_X86_RUN_64BIT))) && \
!defined(CONFIG_HAVE_FSP)
int ret;
ret = mtrr_commit(false);
/* If MTRR MSR is not implemented by the processor, just ignore it */
if (ret && ret != -ENOSYS)
return ret;
#endif
/* Initialise the CPU cache(s) */
return init_cache();
}