board: rockchip: add Rockchip Toybrick TB-RK3588X board

TB-RK3588X board is a Rockchip Toybrick RK3588 based development board.

Specification:
	Rockchip Rk3588 SoC
	4x ARM Cortex-A76, 4x ARM Cortex-A55
	8/16GB Memory LPDDR4x
	Mali G610MC4 GPU
	2× MIPI-CSI0 Connector
	1x 2Lanes PCIe3.0 Connector
	1x SATA3.0 Connector
	32GB eMMC Module
	2x USB 2.0, 2x USB 3.0
	1x HDMI Output, 1x HDMI Input
	2x Ethernet Port

Functions work normally:
	[1] USB2.0 Host
	[2] Ethernet0 with PHY RTL8211F

More information can be obtained from the following websites:
	[1] https://t.rock-chips.com/en/wiki/EN/tb-rk3588x_en/index.html
	[2] http://t.rock-chips.com/

Kernel commits:
	8ffe365f8dc7 ("arm64: dts: rockchip: Add devicetree support for TB-RK3588X board")
	7140387ff49d ("dt-bindings: arm: rockchip: Add Toybrick TB-RK3588X")

Reviewed-by: Weizhao Ouyang <weizhao.ouyang@arm.com>
Signed-off-by: Elon Zhang <zhangzj@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

4 files changed, 65 insertions, 0 deletions

diff --git a/board/rockchip/toybrick_rk3588/Kconfig b/board/rockchip/toybrick_rk3588/Kconfig
new file mode 100644
index 00000000000..8e781a18d9d
--- /dev/null
+++ b/board/rockchip/toybrick_rk3588/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_TOYBRICK_RK3588
+
+config SYS_BOARD
+	default "toybrick_rk3588"
+
+config SYS_VENDOR
+	default "rockchip"
+
+config SYS_CONFIG_NAME
+	default "toybrick_rk3588"
+
+endif
diff --git a/board/rockchip/toybrick_rk3588/MAINTAINERS b/board/rockchip/toybrick_rk3588/MAINTAINERS
new file mode 100644
index 00000000000..cd4401c24f3
--- /dev/null
+++ b/board/rockchip/toybrick_rk3588/MAINTAINERS
@@ -0,0 +1,8 @@
+TOYBRICK-RK3588
+M:	Elon Zhang <zhangzj@rock-chips.com>
+S:	Maintained
+F:	board/rockchip/toybrick_rk3588
+F:	include/configs/toybrick_rk3588.h
+F:	configs/toybrick-rk3588_defconfig
+F:	arch/arm/dts/rk3588-toybrick-x0.dts
+F:	arch/arm/dts/rk3588-toybrick-x0-u-boot.dtsi
diff --git a/board/rockchip/toybrick_rk3588/Makefile b/board/rockchip/toybrick_rk3588/Makefile
new file mode 100644
index 00000000000..75d4d9438f7
--- /dev/null
+++ b/board/rockchip/toybrick_rk3588/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier:     GPL-2.0+
+#
+# Copyright (c) 2024 Rockchip Electronics Co,. Ltd.
+#
+
+obj-y += toybrick-rk3588.o
diff --git a/board/rockchip/toybrick_rk3588/toybrick-rk3588.c b/board/rockchip/toybrick_rk3588/toybrick-rk3588.c
new file mode 100644
index 00000000000..e3217f70b50
--- /dev/null
+++ b/board/rockchip/toybrick_rk3588/toybrick-rk3588.c
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2024 Rockchip Electronics Co,. Ltd.
+ */
+
+#include <fdtdec.h>
+#include <fdt_support.h>
+
+#ifdef CONFIG_OF_BOARD_SETUP
+static int rk3588_add_reserved_memory_fdt_nodes(void *new_blob)
+{
+	struct fdt_memory gap1 = {
+		.start = 0x3fc000000,
+		.end = 0x3fc4fffff,
+	};
+	struct fdt_memory gap2 = {
+		.start = 0x3fff00000,
+		.end = 0x3ffffffff,
+	};
+	unsigned long flags = FDTDEC_RESERVED_MEMORY_NO_MAP;
+	int ret;
+
+	/*
+	 * Inject the reserved-memory nodes into the DTS
+	 */
+	ret = fdtdec_add_reserved_memory(new_blob, "gap1", &gap1,  NULL, 0,
+					 NULL, flags);
+	if (ret)
+		return ret;
+
+	return fdtdec_add_reserved_memory(new_blob, "gap2", &gap2,  NULL, 0,
+					  NULL, flags);
+}
+
+int ft_board_setup(void *blob, struct bd_info *bd)
+{
+	return rk3588_add_reserved_memory_fdt_nodes(blob);
+}
+#endif