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x86: Add a config for the systemagent PCIEX regions size

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Add a way to specify the required size for this region. This is used when
generating ACPI tables.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2020-09-22 12:44:51 -06:00 committed by Bin Meng
parent 4c44aa7aab
commit 97bafc9df9
2 changed files with 19 additions and 0 deletions
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18
arch/x86/Kconfig
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@ -976,4 +976,22 @@ config TPL_ACPI_GPE
See https://queue.acm.org/blogposting.cfm?id=18977 for more info
config SA_PCIEX_LENGTH
hex
default 0x10000000 if (PCIEX_LENGTH_256MB)
default 0x8000000 if (PCIEX_LENGTH_128MB)
default 0x4000000 if (PCIEX_LENGTH_64MB)
default 0x10000000
help
This option allows you to select length of PCIEX region.
config PCIEX_LENGTH_256MB
bool
config PCIEX_LENGTH_128MB
bool
config PCIEX_LENGTH_64MB
bool
endmenu

1
arch/x86/cpu/apollolake/Kconfig
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@ -13,6 +13,7 @@ config INTEL_APOLLOLAKE
select TPL_X86_TSC_TIMER_NATIVE
select SPL_PCH_SUPPORT
select TPL_PCH_SUPPORT
select PCIEX_LENGTH_256MB
select PCH_SUPPORT
select P2SB
select SMP_AP_WORK