From: Anthony Davies <anthony.t.dav...@gmail.com>

Add support for the Radxa Rock 3A
https://wiki.radxa.com/Rock3/3a

The TF-A project does not currently have support for
the rk3568. Therefore, for the time-being, the only way to supply a
TPL/DDR-init for the rk3568 is to use the closed-source rkbin binaries
from Rockchip. If/when TF-A adds support for the rk3588 we can investigate
switching.

recipes-bsp/rkbin/rockchip-rkbin_git.bb was modified to allow a machine
override to allow both rk3568 and rk3588s to use differnet binary blobs

Signed-off-by: Anthony Davies <anthony.t.dav...@gmail.com>
---
 README                                  |  1 +
 conf/machine/include/rk3568.inc         | 17 +++++++++++++++++
 conf/machine/rock-3a.conf               | 12 ++++++++++++
 recipes-bsp/rkbin/rockchip-rkbin_git.bb | 16 +++++++++++++++-
 recipes-bsp/u-boot/u-boot%.bbappend     |  5 +++++
 5 files changed, 50 insertions(+), 1 deletion(-)
 create mode 100644 conf/machine/include/rk3568.inc
 create mode 100644 conf/machine/rock-3a.conf

diff --git a/README b/README
index 8104474..3357b47 100644
--- a/README
+++ b/README
@@ -32,6 +32,7 @@ Status of supported boards:
                nanopi-r4s
                rock-5b
                nanopi-r2s
+    rock-3a
        builds:
                marsboard-rk3066
                radxarock
diff --git a/conf/machine/include/rk3568.inc b/conf/machine/include/rk3568.inc
new file mode 100644
index 0000000..5382b58
--- /dev/null
+++ b/conf/machine/include/rk3568.inc
@@ -0,0 +1,17 @@
+MACHINEOVERRIDES =. "rk3568:"
+DEFAULTTUNE ?= "cortexa55"
+
+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"
diff --git a/conf/machine/rock-3a.conf b/conf/machine/rock-3a.conf
new file mode 100644
index 0000000..2ed83a3
--- /dev/null
+++ b/conf/machine/rock-3a.conf
@@ -0,0 +1,12 @@
+#@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
+
+require conf/machine/include/rk3568.inc
+
+KERNEL_DEVICETREE = "rockchip/rk3568-rock-3a.dtb"
+MACHINE_EXTRA_RRECOMMENDS += "kernel-modules"
+
+UBOOT_MACHINE = "rock-3a-rk3568_defconfig"
diff --git a/recipes-bsp/rkbin/rockchip-rkbin_git.bb 
b/recipes-bsp/rkbin/rockchip-rkbin_git.bb
index 7fefb01..273f394 100644
--- a/recipes-bsp/rkbin/rockchip-rkbin_git.bb
+++ b/recipes-bsp/rkbin/rockchip-rkbin_git.bb
@@ -14,6 +14,7 @@ S = "${WORKDIR}/git"
 
 COMPATIBLE_MACHINE = ""
 COMPATIBLE_MACHINE:rk3588s = "rk3588s"
+COMPATIBLE_MACHINE:rk3568 = "rk3568"
 
 PACKAGE_ARCH = "${MACHINE_ARCH}"
 
@@ -25,7 +26,16 @@ do_install() {
 PACKAGES = "${PN}"
 ALLOW_EMPTY:${PN} = "1"
 
-do_deploy() {
+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
        # Prebuilt OPTEE-OS
@@ -34,4 +44,8 @@ do_deploy() {
        install -m 644 ${S}/bin/rk35/rk3588_ddr_lp4_2112MHz_lp5_2736MHz_v*.bin 
${DEPLOYDIR}/ddr-rk3588.bin
 }
 
+do_deploy() {
+# Needed as a default perhaps a bb.fatal with a message saying an override 
needs to be set
+}
+
 addtask deploy after do_install
diff --git a/recipes-bsp/u-boot/u-boot%.bbappend 
b/recipes-bsp/u-boot/u-boot%.bbappend
index e79c471..66c81da 100644
--- a/recipes-bsp/u-boot/u-boot%.bbappend
+++ b/recipes-bsp/u-boot/u-boot%.bbappend
@@ -9,12 +9,17 @@ EXTRA_OEMAKE:append:rk3588s = " \
        BL31=${DEPLOY_DIR_IMAGE}/bl31-rk3588.elf \
        ROCKCHIP_TPL=${DEPLOY_DIR_IMAGE}/ddr-rk3588.bin \
        "
+EXTRA_OEMAKE:append:rk3568 = " \
+       BL31=${DEPLOY_DIR_IMAGE}/bl31-rk3568.elf \
+       ROCKCHIP_TPL=${DEPLOY_DIR_IMAGE}/ddr-rk3568.bin \
+       "
 
 INIT_FIRMWARE_DEPENDS ??= ""
 INIT_FIRMWARE_DEPENDS:px30 = " trusted-firmware-a:do_deploy"
 INIT_FIRMWARE_DEPENDS:rk3328 = " trusted-firmware-a:do_deploy"
 INIT_FIRMWARE_DEPENDS:rk3399 = " trusted-firmware-a:do_deploy"
 INIT_FIRMWARE_DEPENDS:rk3588s = " rockchip-rkbin:do_deploy"
+INIT_FIRMWARE_DEPENDS:rk3568 = " rockchip-rkbin:do_deploy"
 do_compile[depends] .= "${INIT_FIRMWARE_DEPENDS}"
 
 do_compile:append:rock2-square () {
-- 
2.34.1

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