[PATCH v2 5/6] ARM: sunxi: Introduce mach-sunxi

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Add some boilerplate, Makefiles, Kbuild.
A generic barebox-dt-2nd.img image can be build for A64 SoC using
the sunxi_v8_defconfig.

This image can be booted from u-boot and has been tested on Pine64+,
it should work on other A64 SoC such as the pinephone, and other Pine64
boards, it might also work on H6 SoC which uses the same sd/mmc controler.

Signed-off-by: Jules Maselbas <jmaselbas@xxxxxxxx>
---
v1->v2:
 - removed RELOCATABLE and HAVE_PBL_MULTI_IMAGES from Kconfig (Ahmad)
 - used __dummy__.o insead of an empty file (Ahmad)
 - removed include/mach/sunxi/barebox-arm.h (Ahmad)

 arch/arm/Kconfig                    | 12 ++++++++++++
 arch/arm/Makefile                   |  1 +
 arch/arm/configs/sunxi_v8_defconfig | 12 ++++++++++++
 arch/arm/mach-sunxi/Kconfig         | 12 ++++++++++++
 arch/arm/mach-sunxi/Makefile        |  1 +
 5 files changed, 38 insertions(+)
 create mode 100644 arch/arm/configs/sunxi_v8_defconfig
 create mode 100644 arch/arm/mach-sunxi/Kconfig
 create mode 100644 arch/arm/mach-sunxi/Makefile

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 0251f2dcef..83adfaddf7 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -109,6 +109,17 @@ config ARCH_SOCFPGA
 	select CPU_V7
 	select COMMON_CLK
 
+config ARCH_SUNXI
+	bool "Allwinner SoCs"
+	depends on 64BIT
+	select CLKDEV_LOOKUP
+	select COMMON_CLK
+	select COMMON_CLK_OF_PROVIDER
+	select GPIOLIB
+	select OFDEVICE
+	select OFTREE
+	select PINCTRL
+
 config ARCH_TEGRA
 	bool "NVIDIA Tegra"
 	depends on 32BIT
@@ -256,6 +267,7 @@ source "arch/arm/mach-omap/Kconfig"
 source "arch/arm/mach-pxa/Kconfig"
 source "arch/arm/mach-rockchip/Kconfig"
 source "arch/arm/mach-socfpga/Kconfig"
+source "arch/arm/mach-sunxi/Kconfig"
 source "arch/arm/mach-stm32mp/Kconfig"
 source "arch/arm/mach-versatile/Kconfig"
 source "arch/arm/mach-vexpress/Kconfig"
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 270f5dfdc1..e4041cf715 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -102,6 +102,7 @@ machine-$(CONFIG_ARCH_ROCKCHIP)		+= rockchip
 machine-$(CONFIG_ARCH_SAMSUNG)		+= samsung
 machine-$(CONFIG_ARCH_SOCFPGA)		+= socfpga
 machine-$(CONFIG_ARCH_STM32MP)		+= stm32mp
+machine-$(CONFIG_ARCH_SUNXI)		+= sunxi
 machine-$(CONFIG_ARCH_VERSATILE)	+= versatile
 machine-$(CONFIG_ARCH_VEXPRESS)		+= vexpress
 machine-$(CONFIG_ARCH_TEGRA)		+= tegra
diff --git a/arch/arm/configs/sunxi_v8_defconfig b/arch/arm/configs/sunxi_v8_defconfig
new file mode 100644
index 0000000000..ebadd1c950
--- /dev/null
+++ b/arch/arm/configs/sunxi_v8_defconfig
@@ -0,0 +1,12 @@
+CONFIG_ARCH_SUNXI=y
+CONFIG_64BIT=y
+CONFIG_BOARD_ARM_GENERIC_DT=y
+CONFIG_ARCH_SUN50I_A64=y
+CONFIG_DRIVER_SERIAL_NS16550=y
+CONFIG_MCI=y
+CONFIG_MCI_SUNXI_SMHC=y
+CONFIG_CMD_DMESG=y
+CONFIG_MCI_STARTUP=y
+CONFIG_FS_FAT=y
+CONFIG_IMAGE_COMPRESSION_XZKERN=y
+CONFIG_MMU=y
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
new file mode 100644
index 0000000000..e8d23772c2
--- /dev/null
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -0,0 +1,12 @@
+if ARCH_SUNXI
+
+config ARCH_SUN50I_A64
+	bool "Allwinner A64 SoC"
+	select CPU_V8
+	select CPU_SUPPORTS_64BIT_KERNEL
+	select CLOCKSOURCE_ARM_ARCHITECTED_TIMER
+	select PINCTRL_SUN50I_A64
+	help
+	  Allwinner A64 (sun50iw1) SoC
+
+endif
diff --git a/arch/arm/mach-sunxi/Makefile b/arch/arm/mach-sunxi/Makefile
new file mode 100644
index 0000000000..16a218658a
--- /dev/null
+++ b/arch/arm/mach-sunxi/Makefile
@@ -0,0 +1 @@
+obj- := __dummy__.o
-- 
2.47.1





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