[PATCH 10/12] ARM: Rockchip: Add rk3568 evb board support
Sascha Hauer
s.hauer at pengutronix.de
Mon Jun 21 02:28:00 PDT 2021
This adds support for the rk3568 evb board. Tested features so far are:
- 1st stage booting
- Network
- SD card
- eMMC
The dts files are based on the ones posted on the mailing lists, they
should be rebased on the upstream files once they show up in barebox.
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
Link: https://lore.barebox.org/20210615141641.31577-11-s.hauer@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
Documentation/boards/rockchip.rst | 39 ++
arch/arm/boards/Makefile | 1 +
arch/arm/boards/rockchip-rk3568-evb/Makefile | 2 +
arch/arm/boards/rockchip-rk3568-evb/board.c | 36 ++
.../arm/boards/rockchip-rk3568-evb/lowlevel.c | 49 ++
arch/arm/dts/Makefile | 1 +
arch/arm/dts/rk3568-evb1-v10.dts | 487 ++++++++++++++++++
arch/arm/mach-rockchip/Kconfig | 6 +
images/Makefile.rockchip | 10 +
9 files changed, 631 insertions(+)
create mode 100644 arch/arm/boards/rockchip-rk3568-evb/Makefile
create mode 100644 arch/arm/boards/rockchip-rk3568-evb/board.c
create mode 100644 arch/arm/boards/rockchip-rk3568-evb/lowlevel.c
create mode 100644 arch/arm/dts/rk3568-evb1-v10.dts
diff --git a/Documentation/boards/rockchip.rst b/Documentation/boards/rockchip.rst
index a5599c6d5f..d03c4686df 100644
--- a/Documentation/boards/rockchip.rst
+++ b/Documentation/boards/rockchip.rst
@@ -45,3 +45,42 @@ Instructions.
* Run "rk-makebootable FlashData barebox-radxa-rock.bin rrboot.bin"
* Insert SD card and run "dd if=rrboot.bin of=</dev/sdcard> bs=$((0x200)) seek=$((0x40))"
* SD card is ready
+
+Rockchip RK3568
+===============
+
+RK3568 EVB
+----------
+
+Building
+^^^^^^^^
+
+The build process needs three binary files which have to be copied from the
+`rkbin https://github.com/rockchip-linux/rkbin` repository to the barebox source tree:
+
+.. code-block:: sh
+ cp $RKBIN/rk35/rk3568_bl31_v1.24.elf firmware/rk3568-bl31.bin
+ cp $RKBIN/bin/rk35/rk3568_bl32_v1.05.bin firmware/rk3568-op-tee.bin
+ cp $RKBIN/bin/rk35/rk3568_ddr_1560MHz_v1.08.bin arch/arm/boards/rockchip-rk3568-evb/sdram-init.bin
+
+With these barebox can be compiled as:
+
+.. code-block:: sh
+
+ make ARCH=arm rockchip_v8_defconfig
+ make ARCH=arm
+
+**NOTE** I found the bl32 firmware non working for me as of 7d631e0d5b2d373b54d4533580d08fb9bd2eaad4 in the rkbin repository.
+
+Creating a bootable SD card
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+A bootable SD card can be created with:
+
+.. code-block:: sh
+
+ dd if=images/barebox-rk3568-evb.img of=/dev/sdx bs=1024 seek=32
+
+The barebox image is written to the raw device, so make sure the partitioning
+doesn't conflict with the are barebox is written to. Starting the first
+partition at offset 8MiB is a safe bet.
diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile
index b3415eb4a2..5aac64fce5 100644
--- a/arch/arm/boards/Makefile
+++ b/arch/arm/boards/Makefile
@@ -181,3 +181,4 @@ obj-$(CONFIG_MACH_LS1046ARDB) += ls1046ardb/
obj-$(CONFIG_MACH_TQMLS1046A) += tqmls1046a/
obj-$(CONFIG_MACH_MNT_REFORM) += mnt-reform/
obj-$(CONFIG_MACH_SKOV_ARM9CPU) += skov-arm9cpu/
+obj-$(CONFIG_MACH_RK3568_EVB) += rockchip-rk3568-evb/
diff --git a/arch/arm/boards/rockchip-rk3568-evb/Makefile b/arch/arm/boards/rockchip-rk3568-evb/Makefile
new file mode 100644
index 0000000000..01c7a259e9
--- /dev/null
+++ b/arch/arm/boards/rockchip-rk3568-evb/Makefile
@@ -0,0 +1,2 @@
+obj-y += board.o
+lwl-y += lowlevel.o
diff --git a/arch/arm/boards/rockchip-rk3568-evb/board.c b/arch/arm/boards/rockchip-rk3568-evb/board.c
new file mode 100644
index 0000000000..57c24ed3c6
--- /dev/null
+++ b/arch/arm/boards/rockchip-rk3568-evb/board.c
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <common.h>
+#include <init.h>
+#include <mach/bbu.h>
+#include <bootsource.h>
+
+static int rk3568_evb_probe(struct device_d *dev)
+{
+ enum bootsource bootsource = bootsource_get();
+ int instance = bootsource_get_instance();
+
+ barebox_set_model("Rockchip RK3568 EVB");
+ barebox_set_hostname("rk3568-evb");
+
+ if (bootsource == BOOTSOURCE_MMC && instance == 1)
+ of_device_enable_path("/chosen/environment-sd");
+ else
+ of_device_enable_path("/chosen/environment-emmc");
+
+ rk3568_bbu_mmc_register("emmc", BBU_HANDLER_FLAG_DEFAULT, "/dev/emmc.barebox");
+ rk3568_bbu_mmc_register("sd", 0, "/dev/sd.barebox");
+
+ return 0;
+}
+
+static const struct of_device_id rk3568_evb_of_match[] = {
+ { .compatible = "rockchip,rk3568-evb1-v10" },
+ { /* Sentinel */},
+};
+
+static struct driver_d rk3568_evb_board_driver = {
+ .name = "board-rk3568-evb",
+ .probe = rk3568_evb_probe,
+ .of_compatible = rk3568_evb_of_match,
+};
+coredevice_platform_driver(rk3568_evb_board_driver);
diff --git a/arch/arm/boards/rockchip-rk3568-evb/lowlevel.c b/arch/arm/boards/rockchip-rk3568-evb/lowlevel.c
new file mode 100644
index 0000000000..363639d21b
--- /dev/null
+++ b/arch/arm/boards/rockchip-rk3568-evb/lowlevel.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <common.h>
+#include <linux/sizes.h>
+#include <asm/barebox-arm-head.h>
+#include <asm/barebox-arm.h>
+#include <mach/hardware.h>
+#include <mach/atf.h>
+#include <debug_ll.h>
+#include <mach/rockchip.h>
+
+extern char __dtb_rk3568_evb1_v10_start[];
+
+static noinline void rk3568_start(void)
+{
+ void *fdt;
+
+ /*
+ * Enable vccio4 1.8V and vccio6 1.8V
+ * Needed for GMAC to work.
+ */
+ writel(RK_SETBITS(0x50), 0xfdc20140);
+
+ fdt = __dtb_rk3568_evb1_v10_start;
+
+ if (current_el() == 3) {
+ rk3568_lowlevel_init();
+ rk3568_atf_load_bl31(fdt);
+ /* not reached */
+ }
+
+ barebox_arm_entry(RK3568_DRAM_BOTTOM, 0x80000000 - RK3568_DRAM_BOTTOM, fdt);
+}
+
+ENTRY_FUNCTION(start_rk3568_evb, r0, r1, r2)
+{
+ /*
+ * Image execution starts at 0x0, but this is used for ATF and
+ * OP-TEE later, so move away from here.
+ */
+ if (current_el() == 3)
+ relocate_to_adr_full(RK3568_BAREBOX_LOAD_ADDRESS);
+ else
+ relocate_to_current_adr();
+
+ setup_c();
+
+ rk3568_start();
+}
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index a07a3bf33f..ffa9fe88c1 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -96,6 +96,7 @@ lwl-$(CONFIG_MACH_PROTONIC_IMX8M) += imx8mm-prt8mm.dtb.o
lwl-$(CONFIG_MACH_RADXA_ROCK) += rk3188-radxarock.dtb.o
lwl-$(CONFIG_MACH_PHYTEC_SOM_RK3288) += rk3288-phycore-som.dtb.o
lwl-$(CONFIG_MACH_REALQ7) += imx6q-dmo-edmqmx6.dtb.o
+lwl-$(CONFIG_MACH_RK3568_EVB) += rk3568-evb1-v10.dtb.o
lwl-$(CONFIG_MACH_RPI) += bcm2835-rpi.dtb.o
lwl-$(CONFIG_MACH_RPI2) += bcm2836-rpi-2.dtb.o
lwl-$(CONFIG_MACH_RPI3) += bcm2837-rpi-3.dtb.o
diff --git a/arch/arm/dts/rk3568-evb1-v10.dts b/arch/arm/dts/rk3568-evb1-v10.dts
new file mode 100644
index 0000000000..ca6f9c2803
--- /dev/null
+++ b/arch/arm/dts/rk3568-evb1-v10.dts
@@ -0,0 +1,487 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2021 Rockchip Electronics Co., Ltd.
+ *
+ */
+
+/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+#include "rk3568.dtsi"
+
+/ {
+ model = "Rockchip RK3568 EVB1 DDR4 V10 Board";
+ compatible = "rockchip,rk3568-evb1-v10", "rockchip,rk3568";
+
+ aliases {
+ emmc = &sdhci;
+ sd = &sdmmc0;
+ };
+
+ chosen: chosen {
+ stdout-path = "serial2:1500000n8";
+
+ environment-sd {
+ compatible = "barebox,environment";
+ device-path = &environment_sd;
+ status = "disabled";
+ };
+
+ environment-emmc {
+ compatible = "barebox,environment";
+ device-path = &environment_emmc;
+ status = "disabled";
+ };
+ };
+
+ memory at a00000 {
+ device_type = "memory";
+ reg = <0x0 0x00a00000 0x0 0x7f600000>;
+ };
+
+ dc_12v: dc-12v {
+ compatible = "regulator-fixed";
+ regulator-name = "dc_12v";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ };
+
+ vcc3v3_sys: vcc3v3-sys {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc3v3_sys";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&dc_12v>;
+ };
+
+ vcc5v0_sys: vcc5v0-sys {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc5v0_sys";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ vin-supply = <&dc_12v>;
+ };
+
+ vcc3v3_lcd0_n: vcc3v3-lcd0-n {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc3v3_lcd0_n";
+ regulator-boot-on;
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc3v3_lcd1_n: vcc3v3-lcd1-n {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc3v3_lcd1_n";
+ regulator-boot-on;
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+};
+
+&gmac0 {
+ phy-mode = "rgmii";
+ clock_in_out = "output";
+
+ assigned-clocks = <&cru SCLK_GMAC0_RX_TX>, <&cru SCLK_GMAC0>;
+ assigned-clock-parents = <&cru SCLK_GMAC0_RGMII_SPEED>;
+ assigned-clock-rates = <0>, <125000000>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&gmac0_miim
+ &gmac0_tx_bus2
+ &gmac0_rx_bus2
+ &gmac0_rgmii_clk
+ &gmac0_rgmii_bus>;
+
+ tx_delay = <0x3c>;
+ rx_delay = <0x2f>;
+
+ phy-handle = <&rgmii_phy0>;
+ status = "okay";
+};
+
+&gmac1 {
+ phy-mode = "rgmii";
+ clock_in_out = "output";
+
+ assigned-clocks = <&cru SCLK_GMAC1_RX_TX>, <&cru SCLK_GMAC1>;
+ assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>;
+ assigned-clock-rates = <0>, <125000000>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&gmac1m1_miim
+ &gmac1m1_tx_bus2
+ &gmac1m1_rx_bus2
+ &gmac1m1_rgmii_clk
+ &gmac1m1_rgmii_bus>;
+
+ tx_delay = <0x4f>;
+ rx_delay = <0x26>;
+
+ phy-handle = <&rgmii_phy1>;
+ status = "okay";
+};
+
+&i2c0 {
+ status = "okay";
+
+ rk809: pmic at 20 {
+ compatible = "rockchip,rk809";
+ reg = <0x20>;
+ interrupt-parent = <&gpio0>;
+ interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+
+ pinctrl-names = "default", "pmic-sleep",
+ "pmic-power-off", "pmic-reset";
+ pinctrl-0 = <&pmic_int>;
+ pinctrl-1 = <&soc_slppin_slp>, <&rk817_slppin_slp>;
+ pinctrl-2 = <&soc_slppin_gpio>, <&rk817_slppin_pwrdn>;
+ pinctrl-3 = <&soc_slppin_gpio>, <&rk817_slppin_rst>;
+
+ rockchip,system-power-controller;
+ wakeup-source;
+ #clock-cells = <1>;
+ clock-output-names = "rk808-clkout1", "rk808-clkout2";
+ //fb-inner-reg-idxs = <2>;
+ /* 1: rst regs (default in codes), 0: rst the pmic */
+ pmic-reset-func = <0>;
+
+ vcc1-supply = <&vcc3v3_sys>;
+ vcc2-supply = <&vcc3v3_sys>;
+ vcc3-supply = <&vcc3v3_sys>;
+ vcc4-supply = <&vcc3v3_sys>;
+ vcc5-supply = <&vcc3v3_sys>;
+ vcc6-supply = <&vcc3v3_sys>;
+ vcc7-supply = <&vcc3v3_sys>;
+ vcc8-supply = <&vcc3v3_sys>;
+ vcc9-supply = <&vcc3v3_sys>;
+
+ pwrkey {
+ status = "okay";
+ };
+
+ pinctrl_rk8xx: pinctrl_rk8xx {
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ rk817_slppin_null: rk817_slppin_null {
+ pins = "gpio_slp";
+ function = "pin_fun0";
+ };
+
+ rk817_slppin_slp: rk817_slppin_slp {
+ pins = "gpio_slp";
+ function = "pin_fun1";
+ };
+
+ rk817_slppin_pwrdn: rk817_slppin_pwrdn {
+ pins = "gpio_slp";
+ function = "pin_fun2";
+ };
+
+ rk817_slppin_rst: rk817_slppin_rst {
+ pins = "gpio_slp";
+ function = "pin_fun3";
+ };
+ };
+
+ regulators {
+ vdd_logic: DCDC_REG1 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <1350000>;
+ regulator-init-microvolt = <900000>;
+ regulator-ramp-delay = <6001>;
+ regulator-initial-mode = <0x2>;
+ regulator-name = "vdd_logic";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vdd_gpu: DCDC_REG2 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <1350000>;
+ regulator-init-microvolt = <900000>;
+ regulator-ramp-delay = <6001>;
+ regulator-initial-mode = <0x2>;
+ regulator-name = "vdd_gpu";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc_ddr: DCDC_REG3 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-initial-mode = <0x2>;
+ regulator-name = "vcc_ddr";
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
+ };
+
+ vdd_npu: DCDC_REG4 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <1350000>;
+ regulator-init-microvolt = <900000>;
+ regulator-ramp-delay = <6001>;
+ regulator-initial-mode = <0x2>;
+ regulator-name = "vdd_npu";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vdda0v9_image: LDO_REG1 {
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <900000>;
+ regulator-name = "vdda0v9_image";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vdda_0v9: LDO_REG2 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <900000>;
+ regulator-name = "vdda_0v9";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vdda0v9_pmu: LDO_REG3 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <900000>;
+ regulator-name = "vdda0v9_pmu";
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <900000>;
+ };
+ };
+
+ vccio_acodec: LDO_REG4 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vccio_acodec";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vccio_sd: LDO_REG5 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vccio_sd";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc3v3_pmu: LDO_REG6 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vcc3v3_pmu";
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <3300000>;
+ };
+ };
+
+ vcca_1v8: LDO_REG7 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vcca_1v8";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcca1v8_pmu: LDO_REG8 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vcca1v8_pmu";
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ regulator-suspend-microvolt = <1800000>;
+ };
+ };
+
+ vcca1v8_image: LDO_REG9 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vcca1v8_image";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc_1v8: DCDC_REG5 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "vcc_1v8";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc_3v3: SWITCH_REG1 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-name = "vcc_3v3";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+
+ vcc3v3_sd: SWITCH_REG2 {
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-name = "vcc3v3_sd";
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
+ };
+ };
+};
+
+&mdio0 {
+ rgmii_phy0: phy at 0 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reset-gpios = <&gpio2 RK_PD3 GPIO_ACTIVE_LOW>;
+ reset-assert-us = <20000>;
+ reset-deassert-us = <100000>;
+ reg = <0x0>;
+ };
+};
+
+&mdio1 {
+ rgmii_phy1: phy at 0 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reset-gpios = <&gpio2 RK_PD1 GPIO_ACTIVE_LOW>;
+ reset-assert-us = <20000>;
+ reset-deassert-us = <100000>;
+ reg = <0x0>;
+ };
+};
+
+&pinctrl {
+ pmic {
+ pmic_int: pmic_int {
+ rockchip,pins =
+ <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+
+ soc_slppin_gpio: soc_slppin_gpio {
+ rockchip,pins =
+ <0 RK_PA2 RK_FUNC_GPIO &pcfg_output_low>;
+ };
+
+ soc_slppin_slp: soc_slppin_slp {
+ rockchip,pins =
+ <0 RK_PA2 1 &pcfg_pull_none>;
+ };
+
+ soc_slppin_rst: soc_slppin_rst {
+ rockchip,pins =
+ <0 RK_PA2 2 &pcfg_pull_none>;
+ };
+ };
+};
+
+&sdhci {
+ bus-width = <8>;
+ max-frequency = <200000000>;
+ non-removable;
+ no-sd;
+ status = "okay";
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition at 8000 {
+ label = "barebox";
+ reg = <0x8000 0x400000>;
+ };
+
+ environment_emmc: partition at 408000 {
+ label = "barebox-environment";
+ reg = <0x408000 0x8000>;
+ };
+ };
+};
+
+&sdmmc0 {
+ max-frequency = <150000000>;
+ supports-sd;
+ bus-width = <4>;
+ cap-mmc-highspeed;
+ cap-sd-highspeed;
+ disable-wp;
+ sd-uhs-sdr104;
+ vmmc-supply = <&vcc3v3_sd>;
+ vqmmc-supply = <&vccio_sd>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det>;
+ status = "okay";
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition at 8000 {
+ label = "barebox";
+ reg = <0x8000 0x400000>;
+ };
+
+ environment_sd: partition at 408000 {
+ label = "barebox-environment";
+ reg = <0x408000 0x8000>;
+ };
+ };
+};
+
+&uart2 {
+ status = "okay";
+};
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index b4c8573c6e..2786fadeaf 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -45,6 +45,12 @@ config MACH_PHYTEC_SOM_RK3288
help
Say Y here if you are using a RK3288 based Phytecs SOM
+config MACH_RK3568_EVB
+ select ARCH_RK3568
+ bool "RK3568 EVB"
+ help
+ Say Y here if you are using a RK3568 EVB
+
endmenu
config ARCH_RK3568_OPTEE
diff --git a/images/Makefile.rockchip b/images/Makefile.rockchip
index 16303164ae..e64fccec6b 100644
--- a/images/Makefile.rockchip
+++ b/images/Makefile.rockchip
@@ -9,3 +9,13 @@ image-$(CONFIG_MACH_RADXA_ROCK) += barebox-radxa-rock.img
pblb-$(CONFIG_MACH_PHYTEC_SOM_RK3288) += start_rk3288_phycore_som
FILE_barebox-rk3288-phycore-som.img = start_rk3288_phycore_som.pblb
image-$(CONFIG_MACH_PHYTEC_SOM_RK3288) += barebox-rk3288-phycore-som.img
+
+pblb-$(CONFIG_MACH_RK3568_EVB) += start_rk3568_evb
+image-$(CONFIG_MACH_RK3568_EVB) += barebox-rk3568-evb.img
+
+quiet_cmd_rkimg_image = RK-IMG $@
+ cmd_rkimg_image = $(objtree)/scripts/rkimage -o $@ $(word 2,$^) $(word 1,$^)
+
+$(obj)/barebox-rk3568-evb.img: $(obj)/start_rk3568_evb.pblb \
+ $(board)/rockchip-rk3568-evb/sdram-init.bin
+ $(call if_changed,rkimg_image)
--
2.29.2
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