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

Message ID 20200126220508.74.Ibf6615ca086fcd12272968cb3f86975a5a6cef51@changeid
State Accepted
Commit 97bafc9df9df629577df00c2649902897e644b52
Headers show
Series RFC: dm: Add programatic generation of ACPI tables | expand

Commit Message

Simon Glass Jan. 27, 2020, 5:06 a.m. UTC 
Add a way to specify the required size for this region. This is used when
generating ACPI tables.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

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

Patch

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