x86: itss: Add a Kconfig option to enable/disable ITSS driver

Add a Kconfig option to support enabling/disabling the inclusion of the ITSS driver depending on the platform. Atuomatically select the ITSS driver when building for Apollo Lake. Signed-off-by: Wolfgang Wallner <[email protected]> Reviewed-by: Simon Glass <[email protected]> Reviewed-by: Bin Meng <[email protected]> [bmeng: squashed in http://patchwork.ozlabs.org/patch/1232761/] Signed-off-by: Bin Meng <[email protected]>
imaami · Feb 4, 2020 · 1d5bf32 · 1d5bf32
1 parent 43709fa
commit 1d5bf32
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Showing 3 changed files with 8 additions and 3 deletions.
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
@@ -709,6 +709,12 @@ config ROM_TABLE_SIZE
 	hex
 	default 0x10000
 
+config HAVE_ITSS
+	bool "Enable ITSS"
+	help
+	  Select this to include the driver for the Interrupt Timer
+	  Subsystem (ITSS) which is found on several Intel devices.
+
 menu "System tables"
 	depends on !EFI && !SYS_COREBOOT
 

diff --git a/arch/x86/cpu/apollolake/Kconfig b/arch/x86/cpu/apollolake/Kconfig
@@ -39,6 +39,7 @@ config INTEL_APOLLOLAKE
 	imply HAVE_X86_FIT
 	imply INTEL_GPIO
 	imply SMP
+	imply HAVE_ITSS
 
 if INTEL_APOLLOLAKE
 

diff --git a/arch/x86/cpu/intel_common/Makefile b/arch/x86/cpu/intel_common/Makefile
@@ -27,9 +27,7 @@ obj-y += microcode.o
 endif
 endif
 obj-y += pch.o
-ifdef CONFIG_INTEL_APOLLOLAKE
-obj-y += itss.o
-endif
+obj-$(CONFIG_HAVE_ITSS) += itss.o
 
 ifdef CONFIG_SPL
 ifndef CONFIG_SPL_BUILD