board: rockchip: add Radxa ROCK5B Rk3588 board

ROCK 5B is a Rockchip RK3588 based SBC (Single Board Computer) by Radxa.

There are tree variants depending on the DRAM size : 4G, 8G and 16G.

Specification:

    Rockchip Rk3588 SoC
    4x ARM Cortex-A76, 4x ARM Cortex-A55
    4/8/16GB memory LPDDR4x
    Mali G610MC4 GPU
    MIPI CSI 2 multiple lanes connector
    eMMC module connector
    uSD slot (up to 128GB)
    2x USB 2.0, 2x USB 3.0
    2x HDMI output, 1x HDMI input
    Ethernet port
    40-pin IO header including UART, SPI, I2C and 5V DC power in
    USB PD over USB Type-C
    Size: 85mm x 54mm

Kernel commits:
a1d3281450ab ("arm64: dts: rockchip: Add rock-5b board")
6fb13f888f2a ("arm64: dts: rockchip: Update sdhci alias for rock-5b")

Signed-off-by: Eugen Hristev <eugen.hristev@collabora.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

arch/arm/dts/Makefile

@@ -170,7 +170,8 @@ dtb-$(CONFIG_ROCKCHIP_RK3568) += \
 	rk3568-rock-3a.dtb
 
 dtb-$(CONFIG_ROCKCHIP_RK3588) += \
-	rk3588-edgeble-neu6a-io.dtb
+	rk3588-edgeble-neu6a-io.dtb \
+	rk3588-rock-5b.dtb
 
 dtb-$(CONFIG_ROCKCHIP_RV1108) += \
 	rv1108-elgin-r1.dtb \

arch/arm/dts/rk3588-rock-5b-u-boot.dtsi

@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2023 Collabora Ltd.
+ */
+
+#include "rk3588-u-boot.dtsi"
+
+/ {
+	aliases {
+		mmc0 = &sdmmc;
+	};
+
+	chosen {
+		u-boot,spl-boot-order = &sdmmc;
+	};
+};
+
+&sdmmc {
+	bus-width = <4>;
+	u-boot,dm-spl;
+	status = "okay";
+};

arch/arm/dts/rk3588-rock-5b.dts

@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+
+#include "rk3588.dtsi"
+
+/ {
+	model = "Radxa ROCK 5 Model B";
+	compatible = "radxa,rock-5b", "rockchip,rk3588";
+
+	aliases {
+		mmc0 = &sdhci;
+		serial2 = &uart2;
+	};
+
+	chosen {
+		stdout-path = "serial2:1500000n8";
+	};
+
+	vcc5v0_sys: vcc5v0-sys-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_sys";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+};
+
+&sdhci {
+	bus-width = <8>;
+	no-sdio;
+	no-sd;
+	non-removable;
+	max-frequency = <200000000>;
+	mmc-hs400-1_8v;
+	mmc-hs400-enhanced-strobe;
+	status = "okay";
+};
+
+&uart2 {
+	pinctrl-0 = <&uart2m0_xfer>;
+	status = "okay";
+};

arch/arm/mach-rockchip/rk3588/Kconfig

@@ -13,6 +13,31 @@ config TARGET_RK3588_NEU6
 	  IO board and Neu6a needs to mount on top of this IO board in order to
 	  create complete Edgeble Neural Compute Module 6(Neu6) IO platform.
 
+config TARGET_ROCK5B_RK3588
+	bool "Radxa ROCK5B RK3588 board"
+	select BOARD_LATE_INIT
+	help
+	  Radxa ROCK5B is a Rockchip RK3588 based SBC (Single Board Computer)
+	  by Radxa.
+
+	  There are tree variants depending on the DRAM size : 4G, 8G and 16G.
+
+	  Specification:
+
+	  Rockchip Rk3588 SoC
+	  4x ARM Cortex-A76, 4x ARM Cortex-A55
+	  4/8/16GB memory LPDDR4x
+	  Mali G610MC4 GPU
+	  MIPI CSI 2 multiple lanes connector
+	  eMMC module connector
+	  uSD slot (up to 128GB)
+	  2x USB 2.0, 2x USB 3.0
+	  2x HDMI output, 1x HDMI input
+	  Ethernet port
+	  40-pin IO header including UART, SPI, I2C and 5V DC power in
+	  USB PD over USB Type-C
+	  Size: 85mm x 54mm
+
 config ROCKCHIP_BOOT_MODE_REG
 	default 0xfd588080
 
@@ -26,5 +51,6 @@ config SYS_MALLOC_F_LEN
 	default 0x80000
 
 source board/edgeble/neural-compute-module-6/Kconfig
+source board/radxa/rock5b-rk3588/Kconfig
 
 endif

board/radxa/rock5b-rk3588/Kconfig

@@ -0,0 +1,15 @@
+if TARGET_ROCK5B_RK3588
+
+config SYS_BOARD
+	default "rock5b-rk3588"
+
+config SYS_VENDOR
+	default "radxa"
+
+config SYS_CONFIG_NAME
+	default "rock5b-rk3588"
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+
+endif

board/radxa/rock5b-rk3588/MAINTAINERS

@@ -0,0 +1,6 @@
+ROCK5B-RK3588
+M:	Eugen Hristev <eugen.hristev@collabora.com>
+S:	Maintained
+F:	board/radxa/rock5b-rk3588
+F:	include/configs/rock5b-rk3588
+F:	configs/rock5b-rk3588_defconfig

board/radxa/rock5b-rk3588/Makefile

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier:     GPL-2.0+
+#
+# Copyright (c) 2022 Collabora Ltd.
+#
+
+obj-y += rock5b-rk3588.o

board/radxa/rock5b-rk3588/rock5b-rk3588.c

@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2023 Collabora Ltd.
+ */

configs/rock5b-rk3588_defconfig

@@ -0,0 +1,71 @@
+CONFIG_ARM=y
+CONFIG_SKIP_LOWLEVEL_INIT=y
+CONFIG_COUNTER_FREQUENCY=24000000
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_TEXT_BASE=0x00a00000
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_NR_DRAM_BANKS=2
+CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
+CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0xc00000
+CONFIG_DEFAULT_DEVICE_TREE="rk3588-rock-5b"
+CONFIG_DM_RESET=y
+CONFIG_ROCKCHIP_RK3588=y
+CONFIG_SPL_ROCKCHIP_BACK_TO_BROM=y
+CONFIG_SPL_ROCKCHIP_COMMON_BOARD=y
+CONFIG_SPL_MMC=y
+CONFIG_SPL_SERIAL=y
+CONFIG_SPL_STACK_R_ADDR=0x600000
+CONFIG_TARGET_ROCK5B_RK3588=y
+CONFIG_SPL_STACK=0x400000
+CONFIG_DEBUG_UART_BASE=0xFEB50000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_SYS_LOAD_ADDR=0xc00800
+CONFIG_DEBUG_UART=y
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_SPL_FIT_SIGNATURE=y
+CONFIG_SPL_LOAD_FIT=y
+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3588-rock-5b.dtb"
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_DISPLAY_BOARDINFO_LATE=y
+CONFIG_SPL_MAX_SIZE=0x20000
+CONFIG_SPL_PAD_TO=0x7f8000
+CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
+CONFIG_SPL_BSS_START_ADDR=0x4000000
+CONFIG_SPL_BSS_MAX_SIZE=0x4000
+# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
+# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
+CONFIG_SPL_STACK_R=y
+CONFIG_SPL_ATF=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_MMC=y
+# CONFIG_CMD_SETEXPR is not set
+# CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_OF_LIVE=y
+CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_SPL_REGMAP=y
+CONFIG_SPL_SYSCON=y
+CONFIG_SPL_CLK=y
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_MISC=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_ETH_DESIGNWARE=y
+CONFIG_GMAC_ROCKCHIP=y
+CONFIG_REGULATOR_PWM=y
+CONFIG_PWM_ROCKCHIP=y
+CONFIG_SPL_RAM=y
+CONFIG_BAUDRATE=1500000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_DEBUG_UART_ANNOUNCE=y
+CONFIG_SYSRESET=y
+# CONFIG_BINMAN_FDT is not set
+CONFIG_ERRNO_STR=y

doc/board/rockchip/rockchip.rst

@@ -92,6 +92,7 @@ List of mainline supported Rockchip boards:
 
 * rk3588
      - Edgeble Neural Compute Module 6 SoM - Neu6a (neu6a-io-rk3588)
+     - Radxa ROCK 5B (rock5b-rk3588)
 
 * rv1108
      - Rockchip Evb-rv1108 (evb-rv1108)

include/configs/rock5b-rk3588.h

@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2022 Collabora Ltd.
+ */
+
+#ifndef __ROCK5B_RK3588_H
+#define __ROCK5B_RK3588_H
+
+#define ROCKCHIP_DEVICE_SETTINGS \
+		"stdout=serial,vidconsole\0" \
+		"stderr=serial,vidconsole\0"
+
+#include <configs/rk3588_common.h>
+
+#endif /* __ROCK5B_RK3588_H */