aarch64: add rk3399_rockpro64 BSP

This adds a basic BSP for RockPro64, which includes a UART,
an ARM timer, and GICv3 support, and utilizes all available
memory as defined by the upstream U-Boot configuration.

Closes #5414

bsps/aarch64/rk3399/console/console.c

@@ -0,0 +1,139 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64RK3399
+ *
+ * @brief Console Configuration
+ */
+
+/*
+ * Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <bsp.h>
+#include <bsp/console-termios.h>
+#include <bsp/rk3399.h>
+
+#include <rtems/bspIo.h>
+#include <rtems/console.h>
+
+#include <libchip/ns16550.h>
+
+uint32_t rk3399_uart_reg_shift = 2;
+
+static uint8_t get_register(uintptr_t addr, uint8_t i)
+{
+  volatile uint8_t *reg = (uint8_t *) addr;
+
+  i <<= rk3399_uart_reg_shift;
+  return reg [i];
+}
+
+static void set_register(uintptr_t addr, uint8_t i, uint8_t val)
+{
+  volatile uint8_t *reg = (uint8_t *) addr;
+  i <<= rk3399_uart_reg_shift;
+  reg [i] = val;
+}
+
+static ns16550_context rk3399_uart_instances[5] = {
+  {
+  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("RK3399 UART 0"),
+  .get_reg = get_register,
+  .set_reg = set_register,
+  .initial_baud = RK3399_UART_DEFAULT_BAUD,
+  .port = RK3399_UART0_BASE
+  }, { 
+  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("RK3399 UART 1"),
+  .get_reg = get_register,
+  .set_reg = set_register,
+  .initial_baud = RK3399_UART_DEFAULT_BAUD,
+  .port = RK3399_UART1_BASE
+  }, { 
+  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("RK3399 UART 2"),
+  .get_reg = get_register,
+  .set_reg = set_register,
+  .initial_baud = RK3399_UART_DEFAULT_BAUD,
+  .port = RK3399_UART2_BASE
+  }, { 
+  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("RK3399 UART 3"),
+  .get_reg = get_register,
+  .set_reg = set_register,
+  .initial_baud = RK3399_UART_DEFAULT_BAUD,
+  .port = RK3399_UART3_BASE
+  }, { 
+  .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("RK3399 UART 4"),
+  .get_reg = get_register,
+  .set_reg = set_register,
+  .initial_baud = RK3399_UART_DEFAULT_BAUD,
+  .port = RK3399_UART4_BASE
+  }
+};
+
+rtems_status_code console_initialize(
+  rtems_device_major_number major,
+  rtems_device_minor_number minor,
+  void *arg
+)
+{
+  (void) major;
+  (void) minor;
+  (void) arg;
+
+  size_t i;
+
+  rtems_termios_initialize();
+
+  for (i = 0; i < RTEMS_ARRAY_SIZE(rk3399_uart_instances); ++i) {
+    ns16550_context *ctx = &rk3399_uart_instances[i];
+    char uart[] = "/dev/ttySX";
+
+    uart[sizeof(uart) - 2] = (char) ('0' + i);
+
+    rtems_termios_device_install(
+      &uart[0],
+      &ns16550_handler_polled,
+      NULL,
+      &ctx->base
+    );
+
+    if (i == BSP_CONSOLE_MINOR) {
+      link(&uart[0], CONSOLE_DEVICE_NAME);
+    }
+  }
+
+  return RTEMS_SUCCESSFUL;
+}
+
+static void output_char(char c)
+{
+  rtems_termios_device_context *ctx = &rk3399_uart_instances[BSP_CONSOLE_MINOR].base;
+  ns16550_polled_putchar(ctx, c);
+}
+
+BSP_output_char_function_type BSP_output_char = output_char;
+
+BSP_polling_getchar_function_type BSP_poll_char = NULL;

bsps/aarch64/rk3399/include/bsp.h

@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64RK3399
+ *
+ * @brief Core BSP definitions
+ */
+
+/*
+ * Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LIBBSP_AARCH64_RK3399_BSP_H
+#define LIBBSP_AARCH64_RK3399_BSP_H
+
+/**
+ * @addtogroup RTEMSBSPsAArch64
+ *
+ * @{
+ */
+
+#include <bspopts.h>
+
+#ifndef ASM
+
+#include <bsp/default-initial-extension.h>
+#include <bsp/start.h>
+
+#include <rtems.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define BSP_ARM_GIC_CPUIF_BASE 0xfff00000
+#define BSP_ARM_GIC_DIST_BASE 0xfee00000
+#define BSP_ARM_GIC_REDIST_BASE 0xfef00000
+
+BSP_START_TEXT_SECTION void rk3399_setup_mmu_and_cache( void );
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* ASM */
+
+/** @} */
+
+#endif /* LIBBSP_AARCH64_RK3399_BSP_H */

bsps/aarch64/rk3399/include/bsp/irq.h

@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64RK3399
+ *
+ * @brief BSP IRQ definitions
+ */
+
+/*
+ * Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LIBBSP_AARCH64_RK3399_IRQ_H
+#define LIBBSP_AARCH64_RK3399_IRQ_H
+
+#ifndef ASM
+
+#include <rtems/irq.h>
+#include <rtems/irq-extension.h>
+
+#include <dev/irq/arm-gic-irq.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define BSP_INTERRUPT_VECTOR_COUNT 1020
+
+/* Interrupts vectors */
+#define BSP_TIMER_VIRT_PPI 27
+#define BSP_TIMER_PHYS_NS_PPI 30
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* ASM */
+
+#endif /* LIBBSP_AARCH64_RK3399_IRQ_H */

bsps/aarch64/rk3399/include/bsp/rk3399.h

@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64RK3399
+ *
+ * @brief Register definitions.
+ */
+
+/*
+ * Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LIBBSP_AARCH64_RK3399_RK3399_H
+#define LIBBSP_AARCH64_RK3399_RK3399_H
+
+#include <bsp/utility.h>
+#include <bspopts.h>
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @name RK3399 UARTs
+ *
+ * @{
+ */
+#define RK3399_UART_BASE 0xff180000
+#define RK3399_UART_DEVICE_SIZE 0x10000
+
+#define RK3399_UART0_BASE (RK3399_UART_BASE + 0x00000)
+#define RK3399_UART0_SIZE RK3399_UART_DEVICE_SIZE
+#define RK3399_UART1_BASE (RK3399_UART_BASE + 0x10000)
+#define RK3399_UART1_SIZE RK3399_UART_DEVICE_SIZE
+#define RK3399_UART2_BASE (RK3399_UART_BASE + 0x20000)
+#define RK3399_UART2_SIZE RK3399_UART_DEVICE_SIZE
+#define RK3399_UART3_BASE (RK3399_UART_BASE + 0x30000)
+#define RK3399_UART3_SIZE RK3399_UART_DEVICE_SIZE
+
+#define RK3399_UART4_BASE 0xff370000
+#define RK3399_UART4_SIZE RK3399_UART_DEVICE_SIZE
+
+#define RK3399_UART_DEFAULT_BAUD 1500000
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBBSP_AARCH64_RK3399_RK3399_H */

bsps/aarch64/rk3399/include/tm27.h

@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64RK3399
+ *
+ * @brief BSP tm27 header
+ */
+
+/*
+ * Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _RTEMS_TMTEST27
+#error "This is an RTEMS internal file you must not include directly."
+#endif
+
+#ifndef __tm27_h
+#define __tm27_h
+
+#include <dev/irq/arm-gic-tm27.h>
+
+#endif /* __tm27_h */

bsps/aarch64/rk3399/start/bspstart.c

@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64RK3399
+ *
+ * @brief This source file contains the implementation of bsp_start().
+ */
+
+/*
+ * Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <bsp.h>
+#include <bsp/bootcard.h>
+#include <bsp/irq-generic.h>
+#include <bsp/linker-symbols.h>
+
+void bsp_start( void )
+{
+  bsp_interrupt_initialize();
+  rtems_cache_coherent_add_area(
+    bsp_section_nocacheheap_begin,
+    (uintptr_t) bsp_section_nocacheheap_size
+  );
+}

bsps/aarch64/rk3399/start/bspstarthooks.c

@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64RK3399
+ *
+ * @brief BSP Startup Hooks
+ */
+
+/*
+ * Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <bsp.h>
+#include <bsp/start.h>
+
+BSP_START_TEXT_SECTION void rk3399_setup_mmu_and_cache(void);
+
+#ifdef BSP_START_ENABLE_EL3_START_SUPPORT
+BSP_START_TEXT_SECTION void bsp_start_hook_0(void)
+{
+  /* Do nothing */
+}
+#endif
+
+BSP_START_TEXT_SECTION void bsp_start_hook_1(void)
+{
+  _AARCH64_Data_synchronization_barrier();
+  _AARCH64_Instruction_synchronization_barrier();
+
+  AArch64_start_set_vector_base();
+  bsp_start_copy_sections();
+
+  rk3399_setup_mmu_and_cache();
+  bsp_start_clear_bss();
+}

bsps/aarch64/rk3399/start/bspstartmmu.c

@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64RK3399
+ *
+ * @brief This source file contains the default MMU tables and setup.
+ */
+
+/*
+ * Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <bsp.h>
+#include <bsp/aarch64-mmu.h>
+#include <libcpu/mmu-vmsav8-64.h>
+
+BSP_START_TEXT_SECTION void rk3399_setup_mmu_and_cache( void )
+{
+  aarch64_mmu_control *control = &aarch64_mmu_instance;
+
+  aarch64_mmu_setup();
+
+  aarch64_mmu_setup_translation_table(
+    control,
+    &aarch64_mmu_config_table[ 0 ],
+    aarch64_mmu_config_table_size
+  );
+
+  aarch64_mmu_enable( control );
+}

bsps/aarch64/rk3399/start/mmu-config.c

@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsAArch64RK3399
+ *
+ * @brief This source file contains the definition of ::aarch64_mmu_config_table
+ *   and ::aarch64_mmu_config_table_size.
+ */
+
+/*
+ * Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <bsp.h>
+#include <bsp/start.h>
+#include <bsp/rk3399.h>
+#include <bsp/aarch64-mmu.h>
+#include <libcpu/mmu-vmsav8-64.h>
+
+BSP_START_DATA_SECTION const aarch64_mmu_config_entry
+aarch64_mmu_config_table[] = {
+  AARCH64_MMU_DEFAULT_SECTIONS,
+  { /* GIC500 */
+    .begin = 0xFEE00000ULL,
+    .end = 0xFF000000ULL,
+    .flags = AARCH64_MMU_DEVICE
+  },
+  { /* NS16550 UART0-UART3 */
+    .begin = RK3399_UART_BASE,
+    .end = RK3399_UART_BASE + RK3399_UART_DEVICE_SIZE * 4,
+    .flags = AARCH64_MMU_DEVICE
+  },
+  { /* NS16550 UART4 */
+    .begin = RK3399_UART4_BASE,
+    .end = RK3399_UART4_BASE + RK3399_UART_DEVICE_SIZE,
+    .flags = AARCH64_MMU_DEVICE
+  }
+};
+
+BSP_START_DATA_SECTION const size_t aarch64_mmu_config_table_size =
+  RTEMS_ARRAY_SIZE(aarch64_mmu_config_table);

spec/build/bsps/aarch64/rk3399/abi.yml

@@ -0,0 +1,18 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-string: null
+- split: null
+- env-append: null
+build-type: option
+copyrights:
+- Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+default:
+- enabled-by: true
+  value:
+  - -mcpu=cortex-a72
+description: |
+  ABI flags
+enabled-by: true
+links: []
+name: ABI_FLAGS
+type: build

spec/build/bsps/aarch64/rk3399/bsprockpro64.yml

@@ -0,0 +1,19 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+arch: aarch64
+bsp: rk3399_rockpro64
+build-type: bsp
+cflags: []
+copyrights:
+- Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+cppflags: []
+enabled-by: true
+family: rk3399
+includes: []
+install: []
+links:
+- role: build-dependency
+  uid: grp
+- role: build-dependency
+  uid: linkcmds
+source: []
+type: build

spec/build/bsps/aarch64/rk3399/grp.yml

@@ -0,0 +1,51 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+build-type: group
+cflags: []
+copyrights:
+- Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+cppflags: []
+cxxflags: []
+enabled-by: true
+includes: []
+install: []
+ldflags: []
+links:
+- role: build-dependency
+  uid: ../grp
+- role: build-dependency
+  uid: ../start
+- role: build-dependency
+  uid: abi
+- role: build-dependency
+  uid: obj
+- role: build-dependency
+  uid: optconminor
+- role: build-dependency
+  uid: optloadoff
+- role: build-dependency
+  uid: optnocachelen
+- role: build-dependency
+  uid: optramlen
+- role: build-dependency
+  uid: optramori
+- role: build-dependency
+  uid: ../objclockarmgenerictimer
+- role: build-dependency
+  uid: ../../obj
+- role: build-dependency
+  uid: ../../objirq
+- role: build-dependency
+  uid: ../../dev/irq/objarmgicv3
+- role: build-dependency
+  uid: ../../objmem
+- role: build-dependency
+  uid: ../../optcachedata
+- role: build-dependency
+  uid: ../../optcacheinst
+- role: build-dependency
+  uid: ../../opto2
+- role: build-dependency
+  uid: ../../bspopts
+type: build
+use-after: []
+use-before: []

spec/build/bsps/aarch64/rk3399/linkcmds.yml

@@ -0,0 +1,73 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+build-type: config-file
+content: |
+  /* SPDX-License-Identifier: BSD-2-Clause */
+
+  /*
+   * Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+   *
+   * Redistribution and use in source and binary forms, with or without
+   * modification, are permitted provided that the following conditions
+   * are met:
+   * 1. Redistributions of source code must retain the above copyright
+   *    notice, this list of conditions and the following disclaimer.
+   * 2. Redistributions in binary form must reproduce the above copyright
+   *    notice, this list of conditions and the following disclaimer in the
+   *    documentation and/or other materials provided with the distribution.
+   *
+   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+   * POSSIBILITY OF SUCH DAMAGE.
+   */
+
+  MEMORY {
+    RAM       : ORIGIN = ${BSP_RK3399_RAM_BASE} + ${BSP_RK3399_LOAD_OFFSET}, LENGTH = ${BSP_RK3399_RAM_LENGTH} - ${BSP_RK3399_LOAD_OFFSET} - ${BSP_RK3399_NOCACHE_LENGTH} - 0x1000 * ${AARCH64_MMU_TRANSLATION_TABLE_PAGES}
+    RAM_MMU   : ORIGIN = ${BSP_RK3399_RAM_BASE} + ${BSP_RK3399_RAM_LENGTH} - (0x1000 * ${AARCH64_MMU_TRANSLATION_TABLE_PAGES}) - ${BSP_RK3399_NOCACHE_LENGTH}, LENGTH = 0x1000 * ${AARCH64_MMU_TRANSLATION_TABLE_PAGES}
+    NOCACHE   : ORIGIN = ${BSP_RK3399_RAM_BASE} + ${BSP_RK3399_RAM_LENGTH} - ${BSP_RK3399_NOCACHE_LENGTH}, LENGTH = ${BSP_RK3399_NOCACHE_LENGTH}
+  }
+
+  REGION_ALIAS ("REGION_START",          RAM);
+  REGION_ALIAS ("REGION_VECTOR",         RAM);
+  REGION_ALIAS ("REGION_TEXT",           RAM);
+  REGION_ALIAS ("REGION_TEXT_LOAD",      RAM);
+  REGION_ALIAS ("REGION_RODATA",         RAM);
+  REGION_ALIAS ("REGION_RODATA_LOAD",    RAM);
+  REGION_ALIAS ("REGION_DATA",           RAM);
+  REGION_ALIAS ("REGION_DATA_LOAD",      RAM);
+  REGION_ALIAS ("REGION_FAST_TEXT",      RAM);
+  REGION_ALIAS ("REGION_FAST_TEXT_LOAD", RAM);
+  REGION_ALIAS ("REGION_FAST_DATA",      RAM);
+  REGION_ALIAS ("REGION_FAST_DATA_LOAD", RAM);
+  REGION_ALIAS ("REGION_BSS",            RAM);
+  REGION_ALIAS ("REGION_WORK",           RAM);
+  REGION_ALIAS ("REGION_STACK",          RAM);
+  REGION_ALIAS ("REGION_NOCACHE",        NOCACHE);
+  REGION_ALIAS ("REGION_NOCACHE_LOAD",   NOCACHE);
+
+  bsp_stack_exception_size = DEFINED (bsp_stack_exception_size) ? bsp_stack_exception_size : 1024;
+
+  bsp_section_rwbarrier_align = DEFINED (bsp_section_rwbarrier_align) ? bsp_section_rwbarrier_align : 1M;
+
+  bsp_vector_table_in_start_section = 1;
+  bsp_translation_table_base = ORIGIN (RAM_MMU);
+  bsp_translation_table_end = ORIGIN (RAM_MMU) + LENGTH (RAM_MMU);
+  
+  OUTPUT_FORMAT ("elf64-littleaarch64")
+  OUTPUT_ARCH (aarch64)
+
+  INCLUDE linkcmds.base
+copyrights:
+- Copyright (C) 2026 Ning Yang
+enabled-by: true
+install-path: ${BSP_LIBDIR}
+links: []
+target: linkcmds
+type: build

spec/build/bsps/aarch64/rk3399/obj.yml

@@ -0,0 +1,38 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+build-type: objects
+cflags: []
+copyrights:
+- Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+cppflags: []
+cxxflags: []
+enabled-by: true
+includes: []
+install:
+- destination: ${BSP_INCLUDEDIR}
+  source:
+  - bsps/aarch64/rk3399/include/bsp.h
+- destination: ${BSP_INCLUDEDIR}/bsp
+  source:
+  - bsps/aarch64/rk3399/include/bsp/irq.h
+links:
+- role: build-dependency
+  uid: ../optmmupages
+source:
+- bsps/aarch64/rk3399/console/console.c
+- bsps/aarch64/rk3399/start/bspstart.c
+- bsps/aarch64/rk3399/start/bspstarthooks.c
+- bsps/aarch64/rk3399/start/bspstartmmu.c
+- bsps/aarch64/rk3399/start/mmu-config.c
+- bsps/aarch64/shared/cache/cache.c
+- bsps/aarch64/shared/mmu/mmu-setup.c
+- bsps/aarch64/shared/mmu/vmsav8-64.c
+- bsps/aarch64/shared/start/start-cpu-mpidr.S
+- bsps/shared/dev/btimer/btimer-cpucounter.c
+- bsps/shared/dev/getentropy/getentropy-cpucounter.c
+- bsps/shared/dev/serial/console-termios-init.c
+- bsps/shared/dev/serial/console-termios.c
+- bsps/shared/irq/irq-default-handler.c
+- bsps/shared/start/bspreset-arm-psci.S
+- bsps/shared/start/gettargethash-default.c
+- bsps/shared/start/sbrk.c
+type: build

spec/build/bsps/aarch64/rk3399/optconminor.yml

@@ -0,0 +1,17 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-integer: null
+- define: null
+build-type: option
+copyrights:
+- Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+default:
+- enabled-by: true
+  value: 2
+description: |
+  minor number of console device
+enabled-by: true
+format: '{}'
+links: []
+name: BSP_CONSOLE_MINOR
+type: build

spec/build/bsps/aarch64/rk3399/optloadoff.yml

@@ -0,0 +1,19 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-integer: null
+- assert-uint32: null
+- env-assign: null
+- format-and-define: null
+build-type: option
+copyrights:
+- Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+default:
+- enabled-by: true
+  value: 0x00200000
+description: |
+  offset of RAM region from memory area base
+enabled-by: true
+format: '{:#010x}'
+links: []
+name: BSP_RK3399_LOAD_OFFSET
+type: build

spec/build/bsps/aarch64/rk3399/optnocachelen.yml

@@ -0,0 +1,19 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-integer: null
+- assert-uint32: null
+- env-assign: null
+- format-and-define: null
+build-type: option
+copyrights:
+- Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+default:
+- enabled-by: true
+  value: 0x00100000
+description: |
+  length of nocache RAM region
+enabled-by: true
+format: '{:#010x}'
+links: []
+name: BSP_RK3399_NOCACHE_LENGTH
+type: build

spec/build/bsps/aarch64/rk3399/optramlen.yml

@@ -0,0 +1,19 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-integer: null
+- assert-uint32: null
+- env-assign: null
+- format-and-define: null
+build-type: option
+copyrights:
+- Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+default:
+- enabled-by: true
+  value: 0xf0efe000
+description: |
+  length of memory area available to the BSP
+enabled-by: true
+format: '{:#010x}'
+links: []
+name: BSP_RK3399_RAM_LENGTH
+type: build

spec/build/bsps/aarch64/rk3399/optramori.yml

@@ -0,0 +1,19 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-integer: null
+- assert-uint32: null
+- env-assign: null
+- format-and-define: null
+build-type: option
+copyrights:
+- Copyright (C) 2026 Ning Yang <yangn0@qq.com>
+default:
+- enabled-by: true
+  value: 0
+description: |
+  base address of memory area available to the BSP
+enabled-by: true
+format: '{:#010x}'
+links: []
+name: BSP_RK3399_RAM_BASE
+type: build

spec/build/bsps/dev/irq/optarmgic-icc-bpr0.yml

@@ -12,6 +12,7 @@ default:
   - aarch64/a72_ilp32_qemu
   - aarch64/a72_lp64_qemu
   - aarch64/raspberrypi4b
+  - aarch64/rk3399_rockpro64
   - aarch64/versal_aiedge
   - aarch64/versal_qemu
   - aarch64/versal_vck190

spec/build/bsps/dev/irq/optarmgic-icc-igrpen0.yml

@@ -12,6 +12,7 @@ default:
   - aarch64/a72_ilp32_qemu
   - aarch64/a72_lp64_qemu
   - aarch64/raspberrypi4b
+  - aarch64/rk3399_rockpro64
   - aarch64/versal_aiedge
   - aarch64/versal_qemu
   - aarch64/versal_vck190