| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * (C) Copyright 2011 |
| * Graeme Russ, <graeme.russ@gmail.com> |
| */ |
| |
| #include <common.h> |
| #include <init.h> |
| #include <asm/global_data.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; |
| } |
| |
| if (!ll_boot_init()) |
| return 0; |
| |
| /* Initialise the CPU cache(s) */ |
| return init_cache(); |
| } |