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intel/fsp2_0: Add help text for FSP_TEMP_RAM_SIZE Kconfig

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For CML & ICL, FSP requires at least heap = 0x10000 and stack = 0x20000.
Refer to FSP integration guide to know the exact FSP requirement.

BUG=b:140268415
TEST=Build and boot CML-Hatch and ICL.

Change-Id: Ic1463181b4a9dca136d00cb2f7e3cce4f7e57bd6
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35301
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Subrata Banik
2019-09-09 13:55:42 +05:30
committed by Patrick Georgi
parent 8edc6dc91f
commit 1d260e6573
3 changed files with 23 additions and 1 deletions
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6
src/drivers/intel/fsp2_0/Kconfig
View File

@@ -154,8 +154,12 @@ config FSP_USES_CB_STACK
config FSP_TEMP_RAM_SIZE
hex
default 0x10000
depends on FSP_USES_CB_STACK
help
The amount of anticipated heap usage in CAR by FSP to setup HOB.
This configuration is applicable for FSP specification using shared
stack with coreboot/bootloader.
Sync this value with Platform FSP integration guide recommendation.
config VERIFY_HOBS
bool "Verify the FSP hand-off-blocks"

9
src/soc/intel/cannonlake/Kconfig
View File

@@ -125,6 +125,15 @@ config DCACHE_BSP_STACK_SIZE
The amount of anticipated stack usage in CAR by bootblock and
other stages.
config FSP_TEMP_RAM_SIZE
hex
depends on FSP_USES_CB_STACK
default 0x10000
help
The amount of anticipated heap usage in CAR by FSP.
Refer to Platform FSP integration guide document to know
the exact FSP requirement for Heap setup.
config IFD_CHIPSET
string
default "cnl"

9
src/soc/intel/icelake/Kconfig
View File

@@ -76,6 +76,15 @@ config DCACHE_BSP_STACK_SIZE
The amount of anticipated stack usage in CAR by bootblock and
other stages.
config FSP_TEMP_RAM_SIZE
hex
depends on FSP_USES_CB_STACK
default 0x10000
help
The amount of anticipated heap usage in CAR by FSP.
Refer to Platform FSP integration guide document to know
the exact FSP requirement for Heap setup.
config IFD_CHIPSET
string
default "icl"