[PATCH 2/2] board: rockchip: Add minimal generic RK3399 board
Jonas Karlman
jonas at kwiboo.se
Tue Feb 4 08:27:05 CET 2025
Add a minimal generic RK3399 board that only have eMMC, SDMMC, SPI flash
and USB OTG enabled. This defconfig can be used to boot from eMMC,
SD-card or SPI flash on most RK3399 boards that follow reference board
design.
Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
---
arch/arm/dts/rk3399-generic-u-boot.dtsi | 10 +++
arch/arm/dts/rk3399-generic.dts | 83 +++++++++++++++++++++++++
board/rockchip/evb_rk3399/MAINTAINERS | 6 ++
configs/generic-rk3399_defconfig | 76 ++++++++++++++++++++++
doc/board/rockchip/rockchip.rst | 1 +
5 files changed, 176 insertions(+)
create mode 100644 arch/arm/dts/rk3399-generic-u-boot.dtsi
create mode 100644 arch/arm/dts/rk3399-generic.dts
create mode 100644 configs/generic-rk3399_defconfig
diff --git a/arch/arm/dts/rk3399-generic-u-boot.dtsi b/arch/arm/dts/rk3399-generic-u-boot.dtsi
new file mode 100644
index 000000000000..d977b642f8d7
--- /dev/null
+++ b/arch/arm/dts/rk3399-generic-u-boot.dtsi
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+#include "rk3399-u-boot.dtsi"
+
+&spi1 {
+ flash at 0 {
+ bootph-pre-ram;
+ bootph-some-ram;
+ };
+};
diff --git a/arch/arm/dts/rk3399-generic.dts b/arch/arm/dts/rk3399-generic.dts
new file mode 100644
index 000000000000..c698f59c565d
--- /dev/null
+++ b/arch/arm/dts/rk3399-generic.dts
@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Minimal generic DT for RK3399 with eMMC, SD-card, SPI flash and USB OTG enabled
+ */
+
+/dts-v1/;
+#include "rk3399.dtsi"
+
+/ {
+ model = "Generic RK3399";
+ compatible = "rockchip,rk3399";
+
+ aliases {
+ mmc0 = &sdhci;
+ mmc1 = &sdmmc;
+ };
+
+ chosen {
+ stdout-path = "serial2:1500000n8";
+ };
+};
+
+&emmc_phy {
+ status = "okay";
+};
+
+&sdhci {
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ max-frequency = <150000000>;
+ mmc-hs200-1_8v;
+ mmc-ddr-1_8v;
+ no-sd;
+ no-sdio;
+ non-removable;
+ status = "okay";
+};
+
+&sdmmc {
+ bus-width = <4>;
+ cap-sd-highspeed;
+ disable-wp;
+ max-frequency = <150000000>;
+ no-mmc;
+ no-sdio;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc_bus4 &sdmmc_clk &sdmmc_cmd &sdmmc_cd>;
+ status = "okay";
+};
+
+&spi1 {
+ status = "okay";
+
+ flash at 0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <25000000>;
+ };
+};
+
+&u2phy0 {
+ status = "okay";
+};
+
+&u2phy0_otg {
+ status = "okay";
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&usbdrd3_0 {
+ status = "okay";
+};
+
+&usbdrd_dwc3_0 {
+ dr_mode = "peripheral";
+ maximum-speed = "high-speed";
+ phys = <&u2phy0_otg>;
+ phy-names = "usb2-phy";
+ status = "okay";
+};
diff --git a/board/rockchip/evb_rk3399/MAINTAINERS b/board/rockchip/evb_rk3399/MAINTAINERS
index 8dab3fa70f56..8319db2e976c 100644
--- a/board/rockchip/evb_rk3399/MAINTAINERS
+++ b/board/rockchip/evb_rk3399/MAINTAINERS
@@ -14,6 +14,12 @@ S: Maintained
F: configs/eaidk-610-rk3399_defconfig
F: arch/arm/dts/rk3399-eaidk-610*
+GENERIC-RK3399
+M: Jonas Karlman <jonas at kwiboo.se>
+S: Maintained
+F: configs/generic-rk3399_defconfig
+F: arch/arm/dts/rk3399-generic*
+
KHADAS-EDGE
M: Nick Xie <nick at khadas.com>
S: Maintained
diff --git a/configs/generic-rk3399_defconfig b/configs/generic-rk3399_defconfig
new file mode 100644
index 000000000000..4df70fa4c15e
--- /dev/null
+++ b/configs/generic-rk3399_defconfig
@@ -0,0 +1,76 @@
+CONFIG_ARM=y
+CONFIG_SKIP_LOWLEVEL_INIT=y
+CONFIG_COUNTER_FREQUENCY=24000000
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_SF_DEFAULT_SPEED=25000000
+CONFIG_DEFAULT_DEVICE_TREE="rk3399-generic"
+CONFIG_DM_RESET=y
+CONFIG_ROCKCHIP_RK3399=y
+CONFIG_ROCKCHIP_EXTERNAL_TPL=y
+CONFIG_ROCKCHIP_SPI_IMAGE=y
+CONFIG_TARGET_EVB_RK3399=y
+CONFIG_SYS_LOAD_ADDR=0x800800
+CONFIG_SF_DEFAULT_BUS=1
+CONFIG_DEBUG_UART_BASE=0xFF1A0000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_SPL_SPI_FLASH_SUPPORT=y
+CONFIG_SPL_SPI=y
+CONFIG_DEBUG_UART=y
+CONFIG_FIT_VERBOSE=y
+# CONFIG_BOOTMETH_VBE is not set
+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-generic.dtb"
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_SPL_MAX_SIZE=0x40000
+CONFIG_SPL_PAD_TO=0x7f8000
+# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
+CONFIG_SPL_SPI_LOAD=y
+CONFIG_SYS_SPI_U_BOOT_OFFS=0xE0000
+CONFIG_SPL_ATF_NO_PLATFORM_PARAM=y
+CONFIG_CMD_MEMINFO=y
+CONFIG_CMD_MEMINFO_MAP=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_MISC=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_ROCKUSB=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_RNG=y
+# CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_SPL_OF_CONTROL=y
+# CONFIG_OF_UPSTREAM is not set
+CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_NO_NET=y
+# CONFIG_ADC is not set
+# CONFIG_USB_FUNCTION_FASTBOOT is not set
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_SUPPORT_EMMC_RPMB=y
+CONFIG_MMC_DW=y
+CONFIG_MMC_DW_ROCKCHIP=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_SDMA=y
+CONFIG_MMC_SDHCI_ROCKCHIP=y
+CONFIG_SPI_FLASH_SFDP_SUPPORT=y
+CONFIG_SPI_FLASH_GIGADEVICE=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_SILICONKAISER=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_SPI_FLASH_XMC=y
+CONFIG_SPI_FLASH_XTX=y
+CONFIG_SPI_FLASH_ZBIT=y
+CONFIG_PHY_ROCKCHIP_INNO_USB2=y
+CONFIG_BAUDRATE=1500000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYS_NS16550_MEM32=y
+CONFIG_ROCKCHIP_SPI=y
+CONFIG_SYSRESET=y
+CONFIG_SYSRESET_PSCI=y
+CONFIG_USB=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_USB_FUNCTION_ROCKUSB=y
+CONFIG_ERRNO_STR=y
diff --git a/doc/board/rockchip/rockchip.rst b/doc/board/rockchip/rockchip.rst
index 6b48187ba79d..5a029afae305 100644
--- a/doc/board/rockchip/rockchip.rst
+++ b/doc/board/rockchip/rockchip.rst
@@ -84,6 +84,7 @@ List of mainline supported Rockchip boards:
- FriendlyElec NanoPi M4 (nanopi-m4-rk3399)
- FriendlyElec NanoPi M4B (nanopi-m4b-rk3399)
- FriendlyARM NanoPi NEO4 (nanopi-neo4-rk3399)
+ - Generic RK3399 (generic-rk3399)
- Google Bob (chromebook_bob)
- Google Kevin (chromebook_kevin)
- Khadas Edge (khadas-edge-rk3399)
--
2.48.1
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