diff options
| -rw-r--r-- | Makefile.inc | 11 | ||||
| -rw-r--r-- | src/include/spd_cache.h | 2 | ||||
| -rw-r--r-- | src/lib/Kconfig | 17 | ||||
| -rw-r--r-- | src/lib/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/mainboard/google/hatch/Kconfig | 1 | ||||
| -rw-r--r-- | util/cbfstool/default-x86.fmd | 1 |
6 files changed, 32 insertions, 2 deletions
diff --git a/Makefile.inc b/Makefile.inc index 90280df6c7..90c249474b 100644 --- a/Makefile.inc +++ b/Makefile.inc @@ -966,6 +966,16 @@ else FMAP_SMMSTORE_ENTRY := endif +ifeq ($(CONFIG_SPD_CACHE_IN_FMAP),y) +FMAP_SPD_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x4000) +FMAP_SPD_CACHE_SIZE := $(call int-multiply, $(CONFIG_DIMM_MAX) $(CONFIG_DIMM_SPD_SIZE)) +FMAP_SPD_CACHE_SIZE := $(call int-align, $(FMAP_SPD_CACHE_SIZE), 0x1000) +FMAP_SPD_CACHE_ENTRY := $(CONFIG_SPD_CACHE_FMAP_NAME)@$(FMAP_SPD_CACHE_BASE) $(FMAP_SPD_CACHE_SIZE) +FMAP_CURRENT_BASE := $(call int-add, $(FMAP_SPD_CACHE_BASE) $(FMAP_SPD_CACHE_SIZE)) +else +FMAP_SPD_CACHE_ENTRY := +endif + # # X86 FMAP region # @@ -1042,6 +1052,7 @@ $(obj)/fmap.fmd: $(top)/Makefile.inc $(DEFAULT_FLASHMAP) $(obj)/config.h -e "s,##CONSOLE_ENTRY##,$(FMAP_CONSOLE_ENTRY)," \ -e "s,##MRC_CACHE_ENTRY##,$(FMAP_MRC_CACHE_ENTRY)," \ -e "s,##SMMSTORE_ENTRY##,$(FMAP_SMMSTORE_ENTRY)," \ + -e "s,##SPD_CACHE_ENTRY##,$(FMAP_SPD_CACHE_ENTRY)," \ -e "s,##CBFS_BASE##,$(FMAP_CBFS_BASE)," \ -e "s,##CBFS_SIZE##,$(FMAP_CBFS_SIZE)," \ $(DEFAULT_FLASHMAP) > $@.tmp diff --git a/src/include/spd_cache.h b/src/include/spd_cache.h index 5465aadda4..a53b8eb948 100644 --- a/src/include/spd_cache.h +++ b/src/include/spd_cache.h @@ -7,7 +7,7 @@ #include <stddef.h> #include <stdint.h> -#define SPD_CACHE_FMAP_NAME "RW_SPD_CACHE" +#define SPD_CACHE_FMAP_NAME (CONFIG_SPD_CACHE_FMAP_NAME) #define SC_SPD_NUMS (CONFIG_DIMM_MAX) #define SC_SPD_OFFSET(n) (CONFIG_DIMM_SPD_SIZE * n) #define SC_CRC_OFFSET (CONFIG_DIMM_MAX * CONFIG_DIMM_SPD_SIZE) diff --git a/src/lib/Kconfig b/src/lib/Kconfig index 168a06801a..e1d56fe26b 100644 --- a/src/lib/Kconfig +++ b/src/lib/Kconfig @@ -46,6 +46,23 @@ config DIMM_SPD_SIZE config SPD_READ_BY_WORD bool +config SPD_CACHE_IN_FMAP + bool + default n + help + Enables capability to cache DIMM SPDs in a dedicated FMAP region + to speed loading of SPD data. Currently requires board-level + romstage implementation to read/write/utilize cached SPD data. + When the default FMAP is used, will create a region named RW_SPD_CACHE + to store the cached SPD data. + +config SPD_CACHE_FMAP_NAME + string + depends on SPD_CACHE_IN_FMAP + default "RW_SPD_CACHE" + help + Name of the FMAP region created in the default FMAP to cache SPD data. + if RAMSTAGE_LIBHWBASE config HWBASE_DYNAMIC_MMIO diff --git a/src/lib/Makefile.inc b/src/lib/Makefile.inc index 07555a7b03..8424cbfac3 100644 --- a/src/lib/Makefile.inc +++ b/src/lib/Makefile.inc @@ -372,4 +372,4 @@ endif ramstage-y += uuid.c -romstage-$(CONFIG_ROMSTAGE_SPD_SMBUS) += spd_cache.c +romstage-$(CONFIG_SPD_CACHE_IN_FMAP) += spd_cache.c diff --git a/src/mainboard/google/hatch/Kconfig b/src/mainboard/google/hatch/Kconfig index 20b71038d4..a4e91b6b0a 100644 --- a/src/mainboard/google/hatch/Kconfig +++ b/src/mainboard/google/hatch/Kconfig @@ -86,6 +86,7 @@ config ROMSTAGE_SPD_CBFS config ROMSTAGE_SPD_SMBUS bool default n + select SPD_CACHE_IN_FMAP config DRIVER_TPM_SPI_BUS default 0x1 diff --git a/util/cbfstool/default-x86.fmd b/util/cbfstool/default-x86.fmd index f0143e9575..25c5096ae1 100644 --- a/util/cbfstool/default-x86.fmd +++ b/util/cbfstool/default-x86.fmd @@ -12,6 +12,7 @@ FLASH@##ROM_BASE## ##ROM_SIZE## { ##CONSOLE_ENTRY## ##MRC_CACHE_ENTRY## ##SMMSTORE_ENTRY## + ##SPD_CACHE_ENTRY## FMAP@##FMAP_BASE## ##FMAP_SIZE## COREBOOT(CBFS)@##CBFS_BASE## ##CBFS_SIZE## } |