add uno r4 wih FLASH_IMAGE_START=0x4000, running but interrupt (systick) does not seems to work

15 files changed, 272 insertions, 13 deletions

diff --git a/.idea/runConfigurations/ra4m1.xml b/.idea/runConfigurations/ra4m1.xml
index 22bb61949..149a157c4 100644
--- a/.idea/runConfigurations/ra4m1.xml
+++ b/.idea/runConfigurations/ra4m1.xml
@@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="ra4m1" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" PROGRAM_PARAMS="-device &quot;R7FA4M1AB&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun -jlinkscriptfile $ProjectFileDir$/hw/bsp/ra/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="cdc_msc" TARGET_NAME="cdc_msc" CONFIG_NAME="ra6m5" version="1" RUN_TARGET_PROJECT_NAME="cdc_msc" RUN_TARGET_NAME="cdc_msc">
+  <configuration default="false" name="ra4m1" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" PROGRAM_PARAMS="-device &quot;R7FA4M1AB&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun -jlinkscriptfile $PROJECT_DIR$/hw/bsp/ra/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="cdc_msc" TARGET_NAME="cdc_msc" version="1" RUN_TARGET_PROJECT_NAME="cdc_msc" RUN_TARGET_NAME="cdc_msc">
     <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
       <debugger kind="GDB" isBundled="true" />
     </custom-gdb-server>
diff --git a/.idea/runConfigurations/ra6m1.xml b/.idea/runConfigurations/ra6m1.xml
index 438ac4063..57af9abd9 100644
--- a/.idea/runConfigurations/ra6m1.xml
+++ b/.idea/runConfigurations/ra6m1.xml
@@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="ra6m1" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" PROGRAM_PARAMS="-device &quot;R7FA6M1AD&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun -jlinkscriptfile $ProjectFileDir$/hw/bsp/ra/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="cdc_msc" TARGET_NAME="cdc_msc" CONFIG_NAME="ra6m5" version="1" RUN_TARGET_PROJECT_NAME="cdc_msc" RUN_TARGET_NAME="cdc_msc">
+  <configuration default="false" name="ra6m1" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" PROGRAM_PARAMS="-device &quot;R7FA6M1AD&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun -jlinkscriptfile $PROJECT_DIR$/hw/bsp/ra/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="cdc_msc" TARGET_NAME="cdc_msc" version="1" RUN_TARGET_PROJECT_NAME="cdc_msc" RUN_TARGET_NAME="cdc_msc">
     <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
       <debugger kind="GDB" isBundled="true" />
     </custom-gdb-server>
diff --git a/.idea/runConfigurations/ra6m5.xml b/.idea/runConfigurations/ra6m5.xml
index 89f9787a0..1a6358304 100644
--- a/.idea/runConfigurations/ra6m5.xml
+++ b/.idea/runConfigurations/ra6m5.xml
@@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="ra6m5" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" PROGRAM_PARAMS="-device &quot;R7FA6M5BH&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun -jlinkscriptfile $ProjectFileDir$/hw/bsp/ra/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc_hid" CONFIG_NAME="ra6m5" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc_hid">
+  <configuration default="false" name="ra6m5" type="com.jetbrains.cidr.embedded.customgdbserver.type" factoryName="com.jetbrains.cidr.embedded.customgdbserver.factory" PROGRAM_PARAMS="-device &quot;R7FA6M5BH&quot; -if swd -speed 50000 -port 25321 -nogui -singlerun -jlinkscriptfile $PROJECT_DIR$/hw/bsp/ra/debug.jlinkscript" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="tinyusb_examples" TARGET_NAME="cdc_msc_hid" CONFIG_NAME="ra6m5" version="1" RUN_TARGET_PROJECT_NAME="tinyusb_examples" RUN_TARGET_NAME="cdc_msc_hid">
     <custom-gdb-server version="1" gdb-connect="tcp::25321" executable="/usr/bin/JLinkGDBServer" warmup-ms="0" download-type="ALWAYS" reset-cmd="monitor reset" reset-type="AFTER_DOWNLOAD">
       <debugger kind="GDB" isBundled="true" />
     </custom-gdb-server>
diff --git a/hw/bsp/ra/boards/ra4m1_ek/fsp_cfg/bsp/bsp_mcu_family_cfg.h b/hw/bsp/ra/boards/ra4m1_ek/fsp_cfg/bsp/bsp_mcu_family_cfg.h
index 3bde2db0d..72cdb89e6 100644
--- a/hw/bsp/ra/boards/ra4m1_ek/fsp_cfg/bsp/bsp_mcu_family_cfg.h
+++ b/hw/bsp/ra/boards/ra4m1_ek/fsp_cfg/bsp/bsp_mcu_family_cfg.h
@@ -12,16 +12,16 @@
 #define BSP_MOCO_HZ                 (8000000)
 #define BSP_SUB_CLOCK_HZ            (32768)
 #if   BSP_CFG_HOCO_FREQUENCY == 0
-#define BSP_HOCO_HZ             (24000000)
+  #define BSP_HOCO_HZ             (24000000)
 #elif BSP_CFG_HOCO_FREQUENCY == 2
-                #define BSP_HOCO_HZ             (32000000)
-            #elif BSP_CFG_HOCO_FREQUENCY == 4
-                #define BSP_HOCO_HZ             (48000000)
-            #elif BSP_CFG_HOCO_FREQUENCY == 5
-                #define BSP_HOCO_HZ             (64000000)
-            #else
-                #error "Invalid HOCO frequency chosen (BSP_CFG_HOCO_FREQUENCY) in bsp_clock_cfg.h"
-            #endif
+  #define BSP_HOCO_HZ             (32000000)
+#elif BSP_CFG_HOCO_FREQUENCY == 4
+  #define BSP_HOCO_HZ             (48000000)
+#elif BSP_CFG_HOCO_FREQUENCY == 5
+  #define BSP_HOCO_HZ             (64000000)
+#else
+  #error "Invalid HOCO frequency chosen (BSP_CFG_HOCO_FREQUENCY) in bsp_clock_cfg.h"
+#endif
 #define BSP_CORTEX_VECTOR_TABLE_ENTRIES    (16U)
 #define BSP_VECTOR_TABLE_MAX_ENTRIES       (48U)
 
diff --git a/hw/bsp/ra/boards/uno_r4/board.cmake b/hw/bsp/ra/boards/uno_r4/board.cmake
new file mode 100644
index 000000000..34780d776
--- /dev/null
+++ b/hw/bsp/ra/boards/uno_r4/board.cmake
@@ -0,0 +1,11 @@
+set(CMAKE_SYSTEM_PROCESSOR cortex-m4 CACHE INTERNAL "System Processor")
+set(MCU_VARIANT ra4m1)
+
+set(JLINK_DEVICE R7FA4M1AB)
+set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/${BOARD}.ld)
+
+function(update_board TARGET)
+#  target_compile_definitions(${TARGET} PUBLIC)
+#  target_sources(${TARGET} PRIVATE)
+#  target_include_directories(${BOARD_TARGET} PUBLIC)
+endfunction()
diff --git a/hw/bsp/ra/boards/uno_r4/board.h b/hw/bsp/ra/boards/uno_r4/board.h
new file mode 100644
index 000000000..72abda27f
--- /dev/null
+++ b/hw/bsp/ra/boards/uno_r4/board.h
@@ -0,0 +1,53 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2023 Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef _BOARD_H_
+#define _BOARD_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define LED1          BSP_IO_PORT_01_PIN_11 // D13
+#define LED_STATE_ON  1
+
+#define SW1                   BSP_IO_PORT_01_PIN_10 // D12
+#define BUTTON_STATE_ACTIVE   0
+
+static const ioport_pin_cfg_t board_pin_cfg[] = {
+    {.pin = LED1, .pin_cfg = IOPORT_CFG_PORT_DIRECTION_OUTPUT},
+    {.pin = SW1, .pin_cfg = IOPORT_CFG_PORT_DIRECTION_INPUT},
+    // USB FS D+, D-, VBus
+    {.pin = BSP_IO_PORT_04_PIN_07, .pin_cfg = IOPORT_CFG_PERIPHERAL_PIN | IOPORT_PERIPHERAL_USB_FS},
+    {.pin = BSP_IO_PORT_09_PIN_14, .pin_cfg = IOPORT_CFG_PERIPHERAL_PIN | IOPORT_PERIPHERAL_USB_FS},
+    {.pin = BSP_IO_PORT_09_PIN_15, .pin_cfg = IOPORT_CFG_PERIPHERAL_PIN | IOPORT_PERIPHERAL_USB_FS},
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/hw/bsp/ra/boards/uno_r4/board.mk b/hw/bsp/ra/boards/uno_r4/board.mk
new file mode 100644
index 000000000..cbe6c782c
--- /dev/null
+++ b/hw/bsp/ra/boards/uno_r4/board.mk
@@ -0,0 +1,9 @@
+CPU_CORE = cortex-m4
+MCU_VARIANT = ra4m1
+
+LD_FILE = $(BOARD_PATH)/${BOARD}.ld
+
+# For flash-jlink target
+JLINK_DEVICE = R7FA4M1AB
+
+flash: flash-jlink
diff --git a/hw/bsp/ra/boards/uno_r4/fsp_cfg/bsp/bsp_cfg.h b/hw/bsp/ra/boards/uno_r4/fsp_cfg/bsp/bsp_cfg.h
new file mode 100644
index 000000000..c1d1022cc
--- /dev/null
+++ b/hw/bsp/ra/boards/uno_r4/fsp_cfg/bsp/bsp_cfg.h
@@ -0,0 +1,35 @@
+/* generated configuration header file - do not edit */
+#ifndef BSP_CFG_H_
+#define BSP_CFG_H_
+
+#include "bsp_clock_cfg.h"
+#include "bsp_mcu_family_cfg.h"
+#include "board_cfg.h"
+
+#undef RA_NOT_DEFINED
+#define BSP_CFG_RTOS (0)
+#if defined(_RA_BOOT_IMAGE)
+#define BSP_CFG_BOOT_IMAGE (1)
+#endif
+#define BSP_CFG_MCU_VCC_MV (3300)
+#define BSP_CFG_STACK_MAIN_BYTES (0x800)
+#define BSP_CFG_HEAP_BYTES (0x1000)
+#define BSP_CFG_PARAM_CHECKING_ENABLE (1)
+#define BSP_CFG_ASSERT (0)
+#define BSP_CFG_ERROR_LOG (0)
+
+#define BSP_CFG_PFS_PROTECT ((1))
+
+#define BSP_CFG_C_RUNTIME_INIT ((1))
+#define BSP_CFG_EARLY_INIT     ((0))
+
+#define BSP_CFG_STARTUP_CLOCK_REG_NOT_RESET ((0))
+
+#define BSP_CLOCK_CFG_MAIN_OSC_POPULATED (0)
+
+#define BSP_CLOCK_CFG_MAIN_OSC_CLOCK_SOURCE	(0)
+#define BSP_CLOCK_CFG_SUBCLOCK_DRIVE		(0)
+#define BSP_CLOCK_CFG_SUBCLOCK_POPULATED	(0)
+#define BSP_CLOCK_CFG_SUBCLOCK_STABILIZATION_MS 1000
+
+#endif /* BSP_CFG_H_ */
diff --git a/hw/bsp/ra/boards/uno_r4/fsp_cfg/bsp/bsp_mcu_device_cfg.h b/hw/bsp/ra/boards/uno_r4/fsp_cfg/bsp/bsp_mcu_device_cfg.h
new file mode 100644
index 000000000..444d32e56
--- /dev/null
+++ b/hw/bsp/ra/boards/uno_r4/fsp_cfg/bsp/bsp_mcu_device_cfg.h
@@ -0,0 +1,5 @@
+/* generated configuration header file - do not edit */
+#ifndef BSP_MCU_DEVICE_CFG_H_
+#define BSP_MCU_DEVICE_CFG_H_
+#define BSP_CFG_MCU_PART_SERIES (4)
+#endif /* BSP_MCU_DEVICE_CFG_H_ */
diff --git a/hw/bsp/ra/boards/uno_r4/fsp_cfg/bsp/bsp_mcu_device_pn_cfg.h b/hw/bsp/ra/boards/uno_r4/fsp_cfg/bsp/bsp_mcu_device_pn_cfg.h
new file mode 100644
index 000000000..336918800
--- /dev/null
+++ b/hw/bsp/ra/boards/uno_r4/fsp_cfg/bsp/bsp_mcu_device_pn_cfg.h
@@ -0,0 +1,11 @@
+/* generated configuration header file - do not edit */
+#ifndef BSP_MCU_DEVICE_PN_CFG_H_
+#define BSP_MCU_DEVICE_PN_CFG_H_
+#define BSP_MCU_R7FA4M1AB3CNE
+#define BSP_MCU_FEATURE_SET ('A')
+#define BSP_ROM_SIZE_BYTES (262144)
+#define BSP_RAM_SIZE_BYTES (32768)
+#define BSP_DATA_FLASH_SIZE_BYTES (8192)
+#define BSP_PACKAGE_QFN
+#define BSP_PACKAGE_PINS (48)
+#endif /* BSP_MCU_DEVICE_PN_CFG_H_ */
diff --git a/hw/bsp/ra/boards/uno_r4/fsp_cfg/bsp/bsp_mcu_family_cfg.h b/hw/bsp/ra/boards/uno_r4/fsp_cfg/bsp/bsp_mcu_family_cfg.h
new file mode 100644
index 000000000..fc604eb3b
--- /dev/null
+++ b/hw/bsp/ra/boards/uno_r4/fsp_cfg/bsp/bsp_mcu_family_cfg.h
@@ -0,0 +1,87 @@
+/* generated configuration header file through renesas e2 studio */
+#ifndef BSP_MCU_FAMILY_CFG_H_
+#define BSP_MCU_FAMILY_CFG_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "bsp_mcu_device_pn_cfg.h"
+#include "bsp_mcu_device_cfg.h"
+#include "bsp_mcu_info.h"
+#include "bsp_clock_cfg.h"
+
+#define BSP_MCU_GROUP_RA4M1 (1)
+#define BSP_LOCO_HZ                 (32768)
+#define BSP_MOCO_HZ                 (8000000)
+#define BSP_SUB_CLOCK_HZ            (32768)
+#if   BSP_CFG_HOCO_FREQUENCY == 0
+  #define BSP_HOCO_HZ             (24000000)
+#elif BSP_CFG_HOCO_FREQUENCY == 2
+  #define BSP_HOCO_HZ             (32000000)
+#elif BSP_CFG_HOCO_FREQUENCY == 4
+  #define BSP_HOCO_HZ             (48000000)
+#elif BSP_CFG_HOCO_FREQUENCY == 5
+  #define BSP_HOCO_HZ             (64000000)
+#else
+  #error "Invalid HOCO frequency chosen (BSP_CFG_HOCO_FREQUENCY) in bsp_clock_cfg.h"
+#endif
+#define BSP_CORTEX_VECTOR_TABLE_ENTRIES    (16U)
+#define BSP_VECTOR_TABLE_MAX_ENTRIES       (48U)
+#define BSP_MCU_VBATT_SUPPORT       (1)
+
+#define OFS_SEQ1 0xA001A001 | (1 << 1) | (3 << 2)
+#define OFS_SEQ2 (15 << 4) | (3 << 8) | (3 << 10)
+#define OFS_SEQ3 (1 << 12) | (1 << 14) | (1 << 17)
+#define OFS_SEQ4 (3 << 18) |(15 << 20) | (3 << 24) | (3 << 26)
+#define OFS_SEQ5 (1 << 28) | (1 << 30)
+#define BSP_CFG_ROM_REG_OFS0 (OFS_SEQ1 | OFS_SEQ2 | OFS_SEQ3 | OFS_SEQ4 | OFS_SEQ5)
+#define BSP_CFG_ROM_REG_OFS1 (0xFFFFFEC3 | (1 << 2) | (3 << 3) | (0 << 8))
+#define BSP_CFG_USE_LOW_VOLTAGE_MODE ((0))
+#define BSP_CFG_ROM_REG_MPU_PC0_ENABLE (1)
+#define BSP_CFG_ROM_REG_MPU_PC0_START (0x00FFFFFC)
+#define BSP_CFG_ROM_REG_MPU_PC0_END (0x00FFFFFF)
+#define BSP_CFG_ROM_REG_MPU_PC1_ENABLE (1)
+#define BSP_CFG_ROM_REG_MPU_PC1_START (0x00FFFFFC)
+#define BSP_CFG_ROM_REG_MPU_PC1_END (0x00FFFFFF)
+#define BSP_CFG_ROM_REG_MPU_REGION0_ENABLE (1)
+#define BSP_CFG_ROM_REG_MPU_REGION0_START (0x00FFFFFC)
+#define BSP_CFG_ROM_REG_MPU_REGION0_END (0x00FFFFFF)
+#define BSP_CFG_ROM_REG_MPU_REGION1_ENABLE (1)
+#define BSP_CFG_ROM_REG_MPU_REGION1_START (0x200FFFFC)
+#define BSP_CFG_ROM_REG_MPU_REGION1_END (0x200FFFFF)
+#define BSP_CFG_ROM_REG_MPU_REGION2_ENABLE (1)
+#define BSP_CFG_ROM_REG_MPU_REGION2_START (0x407FFFFC)
+#define BSP_CFG_ROM_REG_MPU_REGION2_END (0x407FFFFF)
+#define BSP_CFG_ROM_REG_MPU_REGION3_ENABLE (1)
+#define BSP_CFG_ROM_REG_MPU_REGION3_START (0x400DFFFC)
+#define BSP_CFG_ROM_REG_MPU_REGION3_END (0x400DFFFF)
+#ifndef BSP_CLOCK_CFG_MAIN_OSC_WAIT
+#define BSP_CLOCK_CFG_MAIN_OSC_WAIT (9)
+#endif
+/* Used to create IELS values for the interrupt initialization table g_interrupt_event_link_select. */
+#define BSP_PRV_IELS_ENUM(vector)    (ELC_ ## vector)
+
+/*
+ ID Code
+ Note: To permanently lock and disable the debug interface define the BSP_ID_CODE_PERMANENTLY_LOCKED in the compiler settings.
+ WARNING: This will disable debug access to the part and cannot be reversed by a debug probe.
+ */
+#if defined(BSP_ID_CODE_PERMANENTLY_LOCKED)
+            #define BSP_CFG_ID_CODE_LONG_1 (0x00000000)
+            #define BSP_CFG_ID_CODE_LONG_2 (0x00000000)
+            #define BSP_CFG_ID_CODE_LONG_3 (0x00000000)
+            #define BSP_CFG_ID_CODE_LONG_4 (0x00000000)
+            #else
+/* ID CODE: FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF */
+#define BSP_CFG_ID_CODE_LONG_1 (0xFFFFFFFF)
+#define BSP_CFG_ID_CODE_LONG_2 (0xFFFFFFFF)
+#define BSP_CFG_ID_CODE_LONG_3 (0xFFFFFFFF)
+#define BSP_CFG_ID_CODE_LONG_4 (0xffFFFFFF)
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BSP_MCU_FAMILY_CFG_H_ */
diff --git a/hw/bsp/ra/boards/uno_r4/fsp_cfg/bsp_clock_cfg.h b/hw/bsp/ra/boards/uno_r4/fsp_cfg/bsp_clock_cfg.h
new file mode 100644
index 000000000..63618ec4b
--- /dev/null
+++ b/hw/bsp/ra/boards/uno_r4/fsp_cfg/bsp_clock_cfg.h
@@ -0,0 +1,21 @@
+/* generated configuration header file - do not edit */
+#ifndef BSP_CLOCK_CFG_H_
+#define BSP_CLOCK_CFG_H_
+#define BSP_CFG_CLOCKS_SECURE (0)
+#define BSP_CFG_CLOCKS_OVERRIDE (0)
+#define BSP_CFG_XTAL_HZ (0) /* XTAL 0Hz */
+#define BSP_CFG_PLL_SOURCE (BSP_CLOCKS_CLOCK_DISABLED) /* PLL Src: XTAL */
+#define BSP_CFG_HOCO_FREQUENCY (4) /* HOCO 48MHz */
+#define BSP_CFG_PLL_DIV (BSP_CLOCKS_PLL_DIV_4) /* PLL Div /4 */
+#define BSP_CFG_PLL_MUL BSP_CLOCKS_PLL_MUL(12, 0) /* PLL Mul x12 */
+#define BSP_CFG_CLOCK_SOURCE (BSP_CLOCKS_SOURCE_CLOCK_HOCO) /* Clock Src: HOCO */
+#define BSP_CFG_ICLK_DIV (BSP_CLOCKS_SYS_CLOCK_DIV_1) /* ICLK Div /1 */
+#define BSP_CFG_PCLKA_DIV (BSP_CLOCKS_SYS_CLOCK_DIV_1) /* PCLKA Div /1 */
+#define BSP_CFG_PCLKB_DIV (BSP_CLOCKS_SYS_CLOCK_DIV_2) /* PCLKB Div /2 */
+#define BSP_CFG_PCLKC_DIV (BSP_CLOCKS_SYS_CLOCK_DIV_1) /* PCLKC Div /1 */
+#define BSP_CFG_PCLKD_DIV (BSP_CLOCKS_SYS_CLOCK_DIV_1) /* PCLKD Div /1 */
+#define BSP_CFG_FCLK_DIV (BSP_CLOCKS_SYS_CLOCK_DIV_2) /* FCLK Div /2 */
+#define BSP_CFG_CLKOUT_SOURCE (BSP_CLOCKS_CLOCK_DISABLED) /* CLKOUT Src: SUBCLK */
+#define BSP_CFG_CLKOUT_DIV (BSP_CLOCKS_SYS_CLOCK_DIV_1) /* CLKOUT Div /1 */
+#define BSP_CFG_UCK_SOURCE (BSP_CLOCKS_SOURCE_CLOCK_HOCO) /* UCLK Src: HOCO */
+#endif /* BSP_CLOCK_CFG_H_ */
diff --git a/hw/bsp/ra/boards/uno_r4/uno_r4.ld b/hw/bsp/ra/boards/uno_r4/uno_r4.ld
new file mode 100644
index 000000000..45f11dfb1
--- /dev/null
+++ b/hw/bsp/ra/boards/uno_r4/uno_r4.ld
@@ -0,0 +1,25 @@
+RAM_START = 0x20000000;
+RAM_LENGTH = 0x8000;
+FLASH_START = 0x00000000;
+FLASH_LENGTH = 0x40000;
+DATA_FLASH_START = 0x40100000;
+DATA_FLASH_LENGTH = 0x2000;
+OPTION_SETTING_START = 0x00000000;
+OPTION_SETTING_LENGTH = 0x0;
+OPTION_SETTING_S_START = 0x80000000;
+OPTION_SETTING_S_LENGTH = 0x0;
+ID_CODE_START = 0x01010018;
+ID_CODE_LENGTH = 0x20;
+SDRAM_START = 0x80010000;
+SDRAM_LENGTH = 0x0;
+QSPI_FLASH_START = 0x60000000;
+QSPI_FLASH_LENGTH = 0x0;
+OSPI_DEVICE_0_START = 0x80020000;
+OSPI_DEVICE_0_LENGTH = 0x0;
+OSPI_DEVICE_1_START = 0x80030000;
+OSPI_DEVICE_1_LENGTH = 0x0;
+
+/* Uno R4 has bootloader */
+FLASH_IMAGE_START = 0x4000;
+
+INCLUDE fsp.ld
diff --git a/hw/bsp/ra/family.mk b/hw/bsp/ra/family.mk
index f5097460a..a5325306d 100644
--- a/hw/bsp/ra/family.mk
+++ b/hw/bsp/ra/family.mk
@@ -59,9 +59,10 @@ INC += \
 
 ifndef LD_FILE
 LD_FILE = $(FAMILY_PATH)/linker/gcc/$(MCU_VARIANT).ld
-LDFLAGS += -L$(TOP)/$(FAMILY_PATH)/linker/gcc
 endif
 
+LDFLAGS += -L$(TOP)/$(FAMILY_PATH)/linker/gcc
+
 # For freeRTOS port source
 # hack to use the port provided by renesas
 FREERTOS_PORTABLE_SRC = $(FSP_RA)/src/rm_freertos_port
diff --git a/src/portable/renesas/rusb2/hcd_rusb2.c b/src/portable/renesas/rusb2/hcd_rusb2.c
index c5ed8ae55..7f49dc8a9 100644
--- a/src/portable/renesas/rusb2/hcd_rusb2.c
+++ b/src/portable/renesas/rusb2/hcd_rusb2.c
@@ -186,6 +186,7 @@ static inline void pipe_wait_for_ready(rusb2_reg_t* rusb, unsigned num)
 
 static void pipe_write_packet(void *buf, volatile void *fifo, unsigned len)
 {
+  // NOTE: unlike DCD, Highspeed 32-bit FIFO does not need to adjust the fifo address
   volatile hw_fifo_t *reg = (volatile hw_fifo_t*)fifo;
   uintptr_t addr = (uintptr_t)buf;
   while (len >= 2) {