add renesas ek-ra4m3 board port

Signed-off-by: Rafael Silva <[email protected]>

Author: perigoso

.github/workflows/build_arm.yml

@@ -48,6 +48,7 @@ jobs:
         - 'mm32'
         - 'msp432e4'
         - 'nrf'
+        - 'ra'
         - 'rp2040'
         - 'samd11'
         - 'samd21'

hw/bsp/board_mcu.h

@@ -127,13 +127,16 @@
 
 #elif CFG_TUSB_MCU == OPT_MCU_RP2040
   #include "pico.h"
-  
+
 #elif CFG_TUSB_MCU == OPT_MCU_EFM32GG
   #include "em_device.h"
 
 #elif CFG_TUSB_MCU == OPT_MCU_RX63X || CFG_TUSB_MCU == OPT_MCU_RX65X
   // no header needed
 
+#elif CFG_TUSB_MCU == OPT_MCU_RAXXX
+  #include "bsp_api.h"
+
 #elif CFG_TUSB_MCU == OPT_MCU_GD32VF103
   #include "gd32vf103.h"
 

hw/bsp/ra/boards/ek_ra4m3/board.mk

@@ -0,0 +1,15 @@
+CFLAGS += \
+	-mcpu=cortex-m33 \
+	-mfloat-abi=hard \
+	-mfpu=fpv5-sp-d16 \
+	-DCFG_TUSB_MCU=OPT_MCU_RAXXX
+
+FSP_MCU_DIR = hw/mcu/renesas/fsp/ra/fsp/src/bsp/mcu/ra4m3
+FSP_BOARD_DIR = hw/mcu/renesas/fsp/ra/board/ra4m3_ek
+
+# All source paths should be relative to the top level.
+LD_FILE = $(BOARD_PATH)/ek_ra4m3.ld
+
+# For flash-jlink target
+JLINK_DEVICE = R7FA4M3AF
+JLINK_IF     = SWD

hw/bsp/ra/boards/ek_ra4m3/ek_ra4m3.c

@@ -0,0 +1,210 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022, Rafael Silva
+ *
+ * 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.
+ */
+
+#include <stdio.h>
+
+#include "bsp/board.h"
+#include "bsp_api.h"
+#include "r_ioport.h"
+#include "r_ioport_api.h"
+#include "renesas.h"
+
+/* Key code for writing PRCR register. */
+#define BSP_PRV_PRCR_KEY	 (0xA500U)
+#define BSP_PRV_PRCR_PRC1_UNLOCK ((BSP_PRV_PRCR_KEY) | 0x2U)
+#define BSP_PRV_PRCR_LOCK	 ((BSP_PRV_PRCR_KEY) | 0x0U)
+
+#define SW1  (BSP_IO_PORT_00_PIN_05)
+#define SW2  (BSP_IO_PORT_00_PIN_06)
+#define LED1 (BSP_IO_PORT_04_PIN_15)
+#define LED3 (BSP_IO_PORT_04_PIN_00)
+#define LED2 (BSP_IO_PORT_04_PIN_04)
+
+/* ISR prototypes */
+void usbfs_interrupt_handler(void);
+void usbfs_resume_handler(void);
+void usbfs_d0fifo_handler(void);
+void usbfs_d1fifo_handler(void);
+
+BSP_DONT_REMOVE const
+	fsp_vector_t g_vector_table[BSP_ICU_VECTOR_MAX_ENTRIES] BSP_PLACE_IN_SECTION(BSP_SECTION_APPLICATION_VECTORS) = {
+		[0] = usbfs_interrupt_handler, /* USBFS INT (USBFS interrupt) */
+		[1] = usbfs_resume_handler,    /* USBFS RESUME (USBFS resume interrupt) */
+		[2] = usbfs_d0fifo_handler,    /* USBFS FIFO 0 (DMA transfer request 0) */
+		[3] = usbfs_d1fifo_handler,    /* USBFS FIFO 1 (DMA transfer request 1) */
+};
+const bsp_interrupt_event_t g_interrupt_event_link_select[BSP_ICU_VECTOR_MAX_ENTRIES] = {
+	[0] = BSP_PRV_IELS_ENUM(EVENT_USBFS_INT),    /* USBFS INT (USBFS interrupt) */
+	[1] = BSP_PRV_IELS_ENUM(EVENT_USBFS_RESUME), /* USBFS RESUME (USBFS resume interrupt) */
+	[2] = BSP_PRV_IELS_ENUM(EVENT_USBFS_FIFO_0), /* USBFS FIFO 0 (DMA transfer request 0) */
+	[3] = BSP_PRV_IELS_ENUM(EVENT_USBFS_FIFO_1)  /* USBFS FIFO 1 (DMA transfer request 1) */
+};
+
+const ioport_pin_cfg_t g_bsp_pin_cfg_data[] = {
+	{.pin = BSP_IO_PORT_04_PIN_07,
+	 .pin_cfg = ((uint32_t) IOPORT_CFG_PERIPHERAL_PIN | (uint32_t) IOPORT_PERIPHERAL_USB_FS)},
+	{.pin = BSP_IO_PORT_05_PIN_00,
+	 .pin_cfg = ((uint32_t) IOPORT_CFG_PERIPHERAL_PIN | (uint32_t) IOPORT_PERIPHERAL_USB_FS)},
+	{.pin = BSP_IO_PORT_05_PIN_01,
+	 .pin_cfg = ((uint32_t) IOPORT_CFG_PERIPHERAL_PIN | (uint32_t) IOPORT_PERIPHERAL_USB_FS)},
+	{.pin = LED1, .pin_cfg = ((uint32_t) IOPORT_CFG_PORT_DIRECTION_OUTPUT | (uint32_t) IOPORT_CFG_PORT_OUTPUT_LOW)},
+	{.pin = LED2, .pin_cfg = ((uint32_t) IOPORT_CFG_PORT_DIRECTION_OUTPUT | (uint32_t) IOPORT_CFG_PORT_OUTPUT_LOW)},
+	{.pin = LED3, .pin_cfg = ((uint32_t) IOPORT_CFG_PORT_DIRECTION_OUTPUT | (uint32_t) IOPORT_CFG_PORT_OUTPUT_LOW)},
+	{.pin = SW1, .pin_cfg = ((uint32_t) IOPORT_CFG_PORT_DIRECTION_INPUT)},
+	{.pin = SW2, .pin_cfg = ((uint32_t) IOPORT_CFG_PORT_DIRECTION_INPUT)}};
+
+const ioport_cfg_t g_bsp_pin_cfg = {
+	.number_of_pins = sizeof(g_bsp_pin_cfg_data) / sizeof(ioport_pin_cfg_t),
+	.p_pin_cfg_data = &g_bsp_pin_cfg_data[0],
+};
+ioport_instance_ctrl_t g_ioport_ctrl;
+const ioport_instance_t g_ioport = {.p_api = &g_ioport_on_ioport, .p_ctrl = &g_ioport_ctrl, .p_cfg = &g_bsp_pin_cfg};
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void usbfs_interrupt_handler(void)
+{
+	IRQn_Type irq = R_FSP_CurrentIrqGet();
+	R_BSP_IrqStatusClear(irq);
+
+	tud_int_handler(0);
+}
+void usbfs_resume_handler(void)
+{
+	IRQn_Type irq = R_FSP_CurrentIrqGet();
+	R_BSP_IrqStatusClear(irq);
+
+	tud_int_handler(0);
+}
+void usbfs_d0fifo_handler(void)
+{
+	IRQn_Type irq = R_FSP_CurrentIrqGet();
+	R_BSP_IrqStatusClear(irq);
+
+	tud_int_handler(0);
+}
+void usbfs_d1fifo_handler(void)
+{
+	IRQn_Type irq = R_FSP_CurrentIrqGet();
+	R_BSP_IrqStatusClear(irq);
+
+	tud_int_handler(0);
+}
+
+void board_init(void)
+{
+	/* Configure pins. */
+	R_IOPORT_Open(&g_ioport_ctrl, &g_bsp_pin_cfg);
+
+	/* Enable USB_BASE */
+	R_SYSTEM->PRCR = (uint16_t) BSP_PRV_PRCR_PRC1_UNLOCK;
+	R_MSTP->MSTPCRB &= ~(1U << 11U);
+	R_SYSTEM->PRCR = (uint16_t) BSP_PRV_PRCR_LOCK;
+
+#if CFG_TUSB_OS  == OPT_OS_FREERTOS
+  // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
+  NVIC_SetPriority(TU_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
+  NVIC_SetPriority(USBFS_RESUME_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
+  NVIC_SetPriority(USBFS_FIFO_0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
+  NVIC_SetPriority(USBFS_FIFO_1_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
+#endif
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+	/* Init systick */
+  	SysTick_Config(SystemCoreClock / 1000);
+#endif
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+	R_IOPORT_PinWrite(&g_ioport_ctrl, LED1, state);
+	R_IOPORT_PinWrite(&g_ioport_ctrl, LED2, state);
+	R_IOPORT_PinWrite(&g_ioport_ctrl, LED3, state);
+}
+
+uint32_t board_button_read(void)
+{
+	bsp_io_level_t lvl;
+	R_IOPORT_PinRead(&g_ioport_ctrl, SW1, &lvl);
+	return lvl;
+}
+
+int board_uart_read(uint8_t *buf, int len)
+{
+	(void) buf;
+	(void) len;
+	return 0;
+}
+
+int board_uart_write(void const *buf, int len)
+{
+	(void) buf;
+	(void) len;
+	return 0;
+}
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+volatile uint32_t system_ticks = 0;
+void SysTick_Handler(void)
+{
+	system_ticks++;
+}
+
+uint32_t board_millis(void)
+{
+	return system_ticks;
+}
+#else
+#endif
+
+int close(int fd)
+{
+	(void) fd;
+	return -1;
+}
+int fstat(int fd, void *pstat)
+{
+	(void) fd;
+	(void) pstat;
+	return 0;
+}
+off_t lseek(int fd, off_t pos, int whence)
+{
+	(void) fd;
+	(void) pos;
+	(void) whence;
+	return 0;
+}
+int isatty(int fd)
+{
+	(void) fd;
+	return 1;
+}