board: rockchip: Add Edgeble Neural Compute Module 6B

Neural Compute Module 6B(Neu6B) is a 96boards SoM-CB compute module
based on Rockchip RK3588J from Edgeble AI.

Add support for this SoM and IO board.

Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

5 files changed, 98 insertions, 0 deletions

diff --git a/arch/arm/dts/rk3588-edgeble-neu6b-io-u-boot.dtsi b/arch/arm/dts/rk3588-edgeble-neu6b-io-u-boot.dtsi
new file mode 100644
index 0000000..cd7626b
--- /dev/null
+++ b/arch/arm/dts/rk3588-edgeble-neu6b-io-u-boot.dtsi
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd.
+ */
+
+#include "rk3588j-u-boot.dtsi"
+
+/ {
+	aliases {
+		mmc0 = &sdmmc;
+	};
+
+	chosen {
+		stdout-path = &uart2;
+		u-boot,spl-boot-order = &sdmmc;
+	};
+};
+
+&sdmmc {
+	bus-width = <4>;
+	status = "okay";
+};
diff --git a/arch/arm/mach-rockchip/rk3588/Kconfig b/arch/arm/mach-rockchip/rk3588/Kconfig
index 0255f65..d72ef92 100644
--- a/arch/arm/mach-rockchip/rk3588/Kconfig
+++ b/arch/arm/mach-rockchip/rk3588/Kconfig
@@ -19,6 +19,16 @@ 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 6A(Neu6A) IO platform.
 
+	  Neu6B:
+	  Neural Compute Module 6B(Neu6B) is a 96boards SoM-CB compute module
+	  based on Rockchip RK3588J from Edgeble AI.
+
+	  Neu6A-IO:
+	  Neural Compute Module 6B(Neu6B) IO board is an industrial form factor
+	  IO board and Neu6a needs to mount on top of this IO board in order to
+	  create complete Edgeble Neural Compute Module 6B(Neu6B) IO platform.
+
+config TARGET_ROCK5B_RK3588
 config TARGET_ROCK5B_RK3588
 	bool "Radxa ROCK5B RK3588 board"
 	select BOARD_LATE_INIT
diff --git a/board/edgeble/neural-compute-module-6/MAINTAINERS b/board/edgeble/neural-compute-module-6/MAINTAINERS
index 249df95..bc7f9b0 100644
--- a/board/edgeble/neural-compute-module-6/MAINTAINERS
+++ b/board/edgeble/neural-compute-module-6/MAINTAINERS
@@ -4,3 +4,4 @@ S:	Maintained
 F:	board/edgeble/neural-compute-module-6
 F:	include/configs/neural-compute-module-6.h
 F:	configs/neu6a-io-rk3588_defconfig
+F:	configs/neu6b-io-rk3588_defconfig
diff --git a/configs/neu6b-io-rk3588_defconfig b/configs/neu6b-io-rk3588_defconfig
new file mode 100644
index 0000000..c7bc3b1
--- /dev/null
+++ b/configs/neu6b-io-rk3588_defconfig
@@ -0,0 +1,64 @@
+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-edgeble-neu6b-io"
+CONFIG_ROCKCHIP_RK3588=y
+CONFIG_SPL_ROCKCHIP_COMMON_BOARD=y
+CONFIG_SPL_SERIAL=y
+CONFIG_SPL_STACK_R_ADDR=0x600000
+CONFIG_TARGET_RK3588_NEU6=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_LOAD_FIT=y
+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3588-edgeble-neu6b-io.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_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_SYSRESET=y
+CONFIG_ERRNO_STR=y
diff --git a/doc/board/rockchip/rockchip.rst b/doc/board/rockchip/rockchip.rst
index 315ad41..d302202 100644
--- a/doc/board/rockchip/rockchip.rst
+++ b/doc/board/rockchip/rockchip.rst
@@ -99,6 +99,7 @@ List of mainline supported Rockchip boards:
 * rk3588
      - Rockchip EVB (evb-rk3588)
      - Edgeble Neural Compute Module 6A SoM - Neu6a (neu6a-io-rk3588)
+     - Edgeble Neural Compute Module 6B SoM - Neu6b (neu6b-io-rk3588)
      - Radxa ROCK 5B (rock5b-rk3588)
 
 * rv1108