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[Xen-devel] [PATCH v6 08/13] arm: add ALL, QEMU, Rcar3 and MPSoC configs



Add a "Platform Support" choice with four kconfig options: QEMU, RCAR3,
MPSOC and ALL. They enable the required options for their hardware
platform. ALL enables all available platforms and it's the default. It
doesn't automatically select any of the related drivers, otherwise they
cannot be disabled. ALL is implemented by selecting hidden options
corresponding to QEMU, MPSOC and RCAR3.

In the case of the MPSOC that has a platform file under
arch/arm/platforms/, build the file if MPSOC.

Signed-off-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
CC: artem_mygaiev@xxxxxxxx
CC: volodymyr_babchuk@xxxxxxxx

---
Changes in v5:
- turn platform support into a choice
- add ALL

Changes in v4:
- fix GICv3/GICV3
- default y to all options
- build xilinx-zynqmp if MPSOC
---
 xen/arch/arm/Kconfig            |  2 ++
 xen/arch/arm/platforms/Kconfig  | 55 +++++++++++++++++++++++++++++++++++++++++
 xen/arch/arm/platforms/Makefile |  2 +-
 3 files changed, 58 insertions(+), 1 deletion(-)
 create mode 100644 xen/arch/arm/platforms/Kconfig

diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig
index 2b87111..75cacfb 100644
--- a/xen/arch/arm/Kconfig
+++ b/xen/arch/arm/Kconfig
@@ -213,6 +213,8 @@ config ARM64_HARDEN_BRANCH_PREDICTOR
 config ARM32_HARDEN_BRANCH_PREDICTOR
     def_bool y if ARM_32 && HARDEN_BRANCH_PREDICTOR
 
+source "arch/arm/platforms/Kconfig"
+
 source "common/Kconfig"
 
 source "drivers/Kconfig"
diff --git a/xen/arch/arm/platforms/Kconfig b/xen/arch/arm/platforms/Kconfig
new file mode 100644
index 0000000..07c5930
--- /dev/null
+++ b/xen/arch/arm/platforms/Kconfig
@@ -0,0 +1,55 @@
+choice
+       prompt "Platform Support"
+       default ALL
+       ---help---
+       Choose which hardware platform to enable in Xen.
+
+       If unsure, choose ALL.
+
+config ALL
+       bool "All Platforms"
+       select MPSOC_PLATFORM
+       select QEMU_PLATFORM
+       select RCAR3_PLATFORM
+       ---help---
+       Enable support for all available hardware platforms. It doesn't
+       automatically select any of the related drivers.
+
+config QEMU
+       bool "QEMU aarch virt machine support"
+       depends on ARM_64
+       select QEMU_PLATFORM
+       select GICV3
+       select HAS_PL011
+       ---help---
+       Enable all the required drivers for QEMU aarch64 virt emulated
+       machine.
+
+config RCAR3
+       bool "Renesas RCar3 support"
+       depends on ARM_64
+       select RCAR3_PLATFORM
+       select HAS_SCIF
+       ---help---
+       Enable all the required drivers for Renesas RCar3
+
+config MPSOC
+       bool "Xilinx Ultrascale+ MPSoC support"
+       depends on ARM_64
+       select MPSOC_PLATFORM
+       select HAS_CADENCE_UART
+       select ARM_SMMU
+       ---help---
+       Enable all the required drivers for Xilinx Ultrascale+ MPSoC
+
+endchoice
+
+config QEMU_PLATFORM
+       bool
+
+config RCAR3_PLATFORM
+       bool
+
+config MPSOC_PLATFORM
+       bool
+
diff --git a/xen/arch/arm/platforms/Makefile b/xen/arch/arm/platforms/Makefile
index 80e555c..a79bdb9 100644
--- a/xen/arch/arm/platforms/Makefile
+++ b/xen/arch/arm/platforms/Makefile
@@ -8,4 +8,4 @@ obj-$(CONFIG_ARM_64) += seattle.o
 obj-y += sunxi.o
 obj-$(CONFIG_ARM_64) += thunderx.o
 obj-$(CONFIG_ARM_64) += xgene-storm.o
-obj-$(CONFIG_ARM_64) += xilinx-zynqmp.o
+obj-$(CONFIG_MPSOC_PLATFORM)  += xilinx-zynqmp.o
-- 
1.9.1


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