[PATCH 074/108] x86: Add a config for the systemagent PCIEX regions size

[Simon Glass]

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

Signed-off-by: Simon Glass <s...@chromium.org>
---

 arch/x86/Kconfig                | 18 ++++++++++++++++++
 arch/x86/cpu/apollolake/Kconfig |  1 +
 2 files changed, 19 insertions(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index af44da1091..5e3357ccee 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -950,4 +950,22 @@ 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
diff --git a/arch/x86/cpu/apollolake/Kconfig b/arch/x86/cpu/apollolake/Kconfig
index c66863c52e..7d7b5c3a0e 100644
--- a/arch/x86/cpu/apollolake/Kconfig
+++ b/arch/x86/cpu/apollolake/Kconfig
@@ -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 ACPI_GNVS_EXTERNAL
-- 
2.25.0.341.g760bfbb309-goog