diff options
Diffstat (limited to 'src/soc/intel/skylake/include/soc/smm.h')
| -rw-r--r-- | src/soc/intel/skylake/include/soc/smm.h | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/src/soc/intel/skylake/include/soc/smm.h b/src/soc/intel/skylake/include/soc/smm.h index f7f515cd9b..d89530287e 100644 --- a/src/soc/intel/skylake/include/soc/smm.h +++ b/src/soc/intel/skylake/include/soc/smm.h @@ -2,6 +2,7 @@ * This file is part of the coreboot project. * * Copyright (C) 2014 Google Inc. + * Copyright (C) 2015 Intel Corporation. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -14,14 +15,16 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * Foundation, Inc. */ -#ifndef _BROADWELL_SMM_H_ -#define _BROADWELL_SMM_H_ +#ifndef _SOC_SMM_H_ +#define _SOC_SMM_H_ #include <stdint.h> #include <cpu/x86/msr.h> +#include <soc/intel/common/romstage.h> +#include <soc/intel/common/memmap.h> struct ied_header { char signature[10]; @@ -40,23 +43,16 @@ struct smm_relocation_params { msr_t emrr_mask; msr_t uncore_emrr_base; msr_t uncore_emrr_mask; - /* The smm_save_state_in_msrs field indicates if SMM save state + /* + * The smm_save_state_in_msrs field indicates if SMM save state * locations live in MSRs. This indicates to the CPUs how to adjust - * the SMMBASE and IEDBASE */ + * the SMMBASE and IEDBASE + */ int smm_save_state_in_msrs; }; -/* There is a bug in the order of Kconfig includes in that arch/x86/Kconfig - * is included after chipset code. This causes the chipset's Kconfig to be - * clobbered by the arch/x86/Kconfig if they have the same name. */ -static inline int smm_region_size(void) -{ - /* Make it 8MiB by default. */ - if (CONFIG_SMM_TSEG_SIZE == 0) - return (8 << 20); - return CONFIG_SMM_TSEG_SIZE; -} - +#define smm_region_size mmap_region_granluarity +#if IS_ENABLED(CONFIG_HAVE_SMI_HANDLER) int smm_initialize(void); void smm_relocate(void); @@ -64,10 +60,24 @@ void smm_relocate(void); void southbridge_trigger_smi(void); void southbridge_clear_smi_status(void); -/* The initialization of the southbridge is split into 2 components. One is +/* + * The initialization of the southbridge is split into 2 compoments. One is * for clearing the state in the SMM registers. The other is for enabling - * SMIs. They are split so that other work between the 2 actions. */ + * SMIs. + */ void southbridge_smm_clear_state(void); void southbridge_smm_enable_smi(void); +#else /* CONFIG_HAVE_SMI_HANDLER */ +static inline int smm_initialize(void) +{ + return 0; +} + +static inline void smm_relocate(void) {} +static inline void southbridge_trigger_smi(void) {} +static inline void southbridge_clear_smi_status(void) {} +static inline void southbridge_smm_clear_state(void) {} +static inline void southbridge_smm_enable_smi(void) {} +#endif /* CONFIG_HAVE_SMI_HANDLER */ #endif |