rock-3a: add

The ROCK 3A has an rpi form factor and features:
- 4x Cortex-A55 ARM processor
- Mali G52 GPU
- 0.8TOPS NPU
- 32bit 3200Mb/s LPDDR4, up to 4K@60
- HDMI, MIPI DSI, MIPI CSI
- 3.5mm jack with mic
- USB Port
- GbE LAN
- PCIe 3.0, PCIe 2.0
- 40-pin color expansion header
- RTC
- supports USB PD and QC powering

https://wiki.radxa.com/Rock3/3a

Signed-off-by: Trevor Woerner <twoerner@gmail.com>
Signed-off-by: Anthony Davies <anthony.t.davies@gmail.com>

README

@@ -38,6 +38,7 @@ Status of supported boards:
 		roc-rk3328-cc
 		roc-rk3308-cc
 		orangepi-5-plus
+		rock-3a
 	builds:
 		marsboard-rk3066
 		radxarock

conf/machine/include/rk3568.inc

@@ -0,0 +1,19 @@
+SOC_FAMILY = "rk3568"
+
+DEFAULTTUNE ?= "cortexa55"
+
+require conf/machine/include/soc-family.inc
+require conf/machine/include/arm/armv8-2a/tune-cortexa55.inc
+require conf/machine/include/rockchip-defaults.inc
+require conf/machine/include/rockchip-wic.inc
+
+KBUILD_DEFCONFIG ?= "defconfig"
+KERNEL_FEATURES:append:rk3568 = " bsp/rockchip/remove-non-rockchip-arch-arm64.scc"
+KERNEL_CLASSES = "kernel-fitimage"
+KERNEL_IMAGETYPE ?= "fitImage"
+
+PREFERRED_PROVIDER_trusted-firmware-a = "rockchip-rkbin"
+PREFERRED_PROVIDER_optee-os = "rockchip-rkbin"
+
+UBOOT_SUFFIX ?= "itb"
+UBOOT_ENTRYPOINT ?= "0x06000000"

conf/machine/rock-3a.conf

@@ -0,0 +1,11 @@
+#@TYPE: Machine
+#@NAME: Radxa Rock 3a
+#@DESCRIPTION: ROCK3 is a series of Rockchip RK3566/RK3568 based SBC(Single Board Computer) and Compute Module by Radxa.
+#https://wiki.radxa.com/Rock3/3a
+
+require conf/machine/include/rk3568.inc
+
+KERNEL_DEVICETREE = "rockchip/rk3568-rock-3a.dtb"
+MACHINE_EXTRA_RRECOMMENDS += "kernel-modules"
+
+UBOOT_MACHINE = "rock-3a-rk3568_defconfig"

recipes-bsp/rkbin/rockchip-rkbin_git.bb

@@ -14,6 +14,7 @@ S = "${WORKDIR}/git"
 
 COMPATIBLE_MACHINE = "^$"
 COMPATIBLE_MACHINE:rk3308 = "rk3308"
+COMPATIBLE_MACHINE:rk3568 = "rk3568"
 COMPATIBLE_MACHINE:rk3588s = "rk3588s"
 
 PACKAGE_ARCH = "${MACHINE_ARCH}"
@@ -35,6 +36,15 @@ do_deploy:rk3308() {
 	install -m 644 ${S}/bin/rk33/rk3308_ddr_589MHz_uart?_m0_v*.bin ${DEPLOYDIR}/ddr-rk3308.bin
 }
 
+do_deploy:rk3568() {
+	# Prebuilt TF-A
+	install -m 644 ${S}/bin/rk35/rk3568_bl31_v*.elf ${DEPLOYDIR}/bl31-rk3568.elf
+	# Prebuilt OPTEE-OS
+	install -m 644 ${S}/bin/rk35/rk3568_bl32_v*.bin ${DEPLOYDIR}/tee-rk3568.bin
+	# Prebuilt U-Boot TPL (DDR init)
+	install -m 644 ${S}/bin/rk35/rk3568_ddr_1560MHz_v1.18.bin ${DEPLOYDIR}/ddr-rk3568.bin
+}
+
 do_deploy:rk3588s() {
 	# Prebuilt TF-A
 	install -m 644 ${S}/bin/rk35/rk3588_bl31_v*.elf ${DEPLOYDIR}/bl31-rk3588.elf

recipes-bsp/u-boot/u-boot%.bbappend

@@ -16,6 +16,10 @@ EXTRA_OEMAKE:append:rk3308 = " \
 	"
 EXTRA_OEMAKE:append:rk3328 = " BL31=${DEPLOY_DIR_IMAGE}/bl31-rk3328.elf"
 EXTRA_OEMAKE:append:rk3399 = " BL31=${DEPLOY_DIR_IMAGE}/bl31-rk3399.elf"
+EXTRA_OEMAKE:append:rk3568 = " \
+	BL31=${DEPLOY_DIR_IMAGE}/bl31-rk3568.elf \
+	ROCKCHIP_TPL=${DEPLOY_DIR_IMAGE}/ddr-rk3568.bin \
+	"
 EXTRA_OEMAKE:append:rk3588s = " \
 	BL31=${DEPLOY_DIR_IMAGE}/bl31-rk3588.elf \
 	ROCKCHIP_TPL=${DEPLOY_DIR_IMAGE}/ddr-rk3588.bin \
@@ -26,6 +30,7 @@ INIT_FIRMWARE_DEPENDS:px30 = " trusted-firmware-a:do_deploy"
 INIT_FIRMWARE_DEPENDS:rk3308 = " ${@bb.utils.contains('RKBIN_RK3308_LATEST', '1', 'rockchip-rkbin', 'rk3308-rkbin', d)}:do_deploy"
 INIT_FIRMWARE_DEPENDS:rk3328 = " trusted-firmware-a:do_deploy"
 INIT_FIRMWARE_DEPENDS:rk3399 = " trusted-firmware-a:do_deploy"
+INIT_FIRMWARE_DEPENDS:rk3568 = " rockchip-rkbin:do_deploy"
 INIT_FIRMWARE_DEPENDS:rk3588s = " rockchip-rkbin:do_deploy"
 do_compile[depends] .= "${INIT_FIRMWARE_DEPENDS}"
 

recipes-kernel/linux/linux-yocto_%.bbappend

@@ -18,6 +18,7 @@ COMPATIBLE_MACHINE:nanopi-m4b = "nanopi-m4b"
 COMPATIBLE_MACHINE:rock-pi-s = "rock-pi-s"
 COMPATIBLE_MACHINE:roc-rk3328-cc = "roc-rk3328-cc"
 COMPATIBLE_MACHINE:roc-rk3308-cc = "roc-rk3308-cc"
+COMPATIBLE_MACHINE:rock-3a = "rock-3a"
 
 SRC_URI:append = " file://rockchip-kmeta;type=kmeta;name=rockchip-kmeta;destsuffix=rockchip-kmeta"
 SRC_URI:append:nanopi-r4s = " file://nanopi-r4s.scc"