Initial project setup

managed_components/espressif__tinyusb/hw/bsp/broadcom_64bit/boards/raspberrypi_cm4/board.cmake

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+set(CMAKE_SYSTEM_CPU cortex-a72 CACHE INTERNAL "System Processor")
+set(BCM_VERSION 2711)
+
+function(update_board TARGET)
+endfunction()

managed_components/espressif__tinyusb/hw/bsp/broadcom_64bit/boards/raspberrypi_cm4/board.h

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+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, 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.
+ */
+
+/* metadata:
+   name: Raspberry CM4
+   url: https://www.raspberrypi.org/products/compute-module-4
+*/
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */

managed_components/espressif__tinyusb/hw/bsp/broadcom_64bit/boards/raspberrypi_cm4/board.mk

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+CPU_CORE = cortex-a72
+CFLAGS += -DBCM_VERSION=2711 \
+          -DCFG_TUSB_MCU=OPT_MCU_BCM2711

managed_components/espressif__tinyusb/hw/bsp/broadcom_64bit/boards/raspberrypi_zero2/board.cmake

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+set(CMAKE_SYSTEM_CPU cortex-a53 CACHE INTERNAL "System Processor")
+set(BCM_VERSION 2837)
+
+function(update_board TARGET)
+endfunction()

managed_components/espressif__tinyusb/hw/bsp/broadcom_64bit/boards/raspberrypi_zero2/board.h

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+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, 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.
+ */
+
+/* metadata:
+   name: Raspberry Zero2
+   url: https://www.raspberrypi.org/products/raspberry-pi-zero-2-w
+*/
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */

managed_components/espressif__tinyusb/hw/bsp/broadcom_64bit/boards/raspberrypi_zero2/board.mk

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+CPU_CORE = cortex-a53
+CFLAGS += -DBCM_VERSION=2837 \
+          -DCFG_TUSB_MCU=OPT_MCU_BCM2837

managed_components/espressif__tinyusb/hw/bsp/broadcom_64bit/family.c

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+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 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.
+ */
+
+/* metadata:
+   manufacturer: Raspberry Pi
+*/
+
+#include "bsp/board_api.h"
+#include "board.h"
+
+// Suppress warning caused by mcu driver
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-qual"
+#pragma GCC diagnostic ignored "-Wredundant-decls"
+#endif
+
+#include "broadcom/cpu.h"
+#include "broadcom/gpio.h"
+#include "broadcom/interrupts.h"
+#include "broadcom/mmu.h"
+#include "broadcom/caches.h"
+#include "broadcom/vcmailbox.h"
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
+
+// LED
+#define LED_PIN               18
+#define LED_STATE_ON          1
+
+// UART TX
+#define UART_TX_PIN           14
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void USB_IRQHandler(void) {
+  tud_int_handler(0);
+}
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM
+//--------------------------------------------------------------------+
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+void board_init(void) {
+  setup_mmu_flat_map();
+  init_caches();
+
+  // LED
+  gpio_set_function(LED_PIN, GPIO_FUNCTION_OUTPUT);
+  gpio_set_pull(LED_PIN, BP_PULL_NONE);
+  board_led_write(true);
+
+  // Uart
+  COMPLETE_MEMORY_READS;
+  AUX->ENABLES_b.UART_1 = true;
+
+  UART1->IER = 0;
+  UART1->CNTL = 0;
+  UART1->LCR_b.DATA_SIZE = UART1_LCR_DATA_SIZE_MODE_8BIT;
+  UART1->MCR = 0;
+  UART1->IER = 0;
+
+  uint32_t source_clock = vcmailbox_get_clock_rate_measured(VCMAILBOX_CLOCK_CORE);
+  UART1->BAUD = ((source_clock / (115200 * 8)) - 1);
+  UART1->CNTL |= UART1_CNTL_TX_ENABLE_Msk;
+  COMPLETE_MEMORY_READS;
+
+  gpio_set_function(UART_TX_PIN, GPIO_FUNCTION_ALT5);
+
+  // Turn on USB peripheral.
+  vcmailbox_set_power_state(VCMAILBOX_DEVICE_USB_HCD, true);
+
+  // Timer 1/1024 second tick
+  SYSTMR->CS_b.M1 = 1;
+  SYSTMR->C1 = SYSTMR->CLO + 977;
+  BP_EnableIRQ(TIMER_1_IRQn);
+
+  BP_SetPriority(USB_IRQn, 0x00);
+  BP_ClearPendingIRQ(USB_IRQn);
+  BP_EnableIRQ(USB_IRQn);
+  BP_EnableIRQs();
+}
+
+void board_led_write(bool state) {
+  gpio_set_value(LED_PIN, state ? LED_STATE_ON : (1 - LED_STATE_ON));
+}
+
+uint32_t board_button_read(void) {
+  return 0;
+}
+
+int board_uart_read(uint8_t* buf, int len) {
+  (void) buf;
+  (void) len;
+  return 0;
+}
+
+int board_uart_write(void const* buf, int len) {
+  for (int i = 0; i < len; i++) {
+    const char* cbuf = buf;
+    while (!UART1->STAT_b.TX_READY) {}
+    if (cbuf[i] == '\n') {
+      UART1->IO = '\r';
+      while (!UART1->STAT_b.TX_READY) {}
+    }
+    UART1->IO = cbuf[i];
+  }
+  return len;
+}
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+volatile uint32_t system_ticks = 0;
+
+void TIMER_1_IRQHandler(void) {
+  system_ticks++;
+  SYSTMR->C1 += 977;
+  SYSTMR->CS_b.M1 = 1;
+}
+
+uint32_t board_millis(void) {
+  return system_ticks;
+}
+
+#endif
+
+void HardFault_Handler(void) {
+  // asm("bkpt");
+}
+
+// Required by __libc_init_array in startup code if we are compiling using
+// -nostdlib/-nostartfiles.
+void _init(void) {
+
+}

managed_components/espressif__tinyusb/hw/bsp/broadcom_64bit/family.cmake

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+include_guard()
+
+set(SDK_DIR ${TOP}/hw/mcu/broadcom)
+set(CMSIS_5 ${TOP}/lib/CMSIS_5)
+
+# include board specific
+include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
+
+# toolchain set up
+set(CMAKE_TOOLCHAIN_FILE ${TOP}/examples/build_system/cmake/toolchain/aarch64_${TOOLCHAIN}.cmake)
+
+set(FAMILY_MCUS BCM2711 BCM2835 CACHE INTERNAL "")
+
+
+#------------------------------------
+# BOARD_TARGET
+#------------------------------------
+# only need to be built ONCE for all examples
+function(add_board_target BOARD_TARGET)
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif ()
+
+  if (NOT DEFINED LD_FILE_GNU)
+    set(LD_FILE_GNU ${SDK_DIR}/broadcom/link8.ld)
+  endif ()
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+
+  set(STARTUP_FILE_GNU ${SDK_DIR}/broadcom/boot8.s)
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+
+  add_library(${BOARD_TARGET} STATIC
+    ${SDK_DIR}/broadcom/gen/interrupt_handlers.c
+    ${SDK_DIR}/broadcom/gpio.c
+    ${SDK_DIR}/broadcom/interrupts.c
+    ${SDK_DIR}/broadcom/mmu.c
+    ${SDK_DIR}/broadcom/caches.c
+    ${SDK_DIR}/broadcom/vcmailbox.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_compile_options(${BOARD_TARGET} PUBLIC
+    -O0
+    -ffreestanding
+    -mgeneral-regs-only
+    -fno-exceptions
+    -std=c17
+    )
+  target_compile_definitions(${BOARD_TARGET} PUBLIC
+    BCM_VERSION=${BCM_VERSION}
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${SDK_DIR}
+    ${CMSIS_5}/CMSIS/Core_A/Include
+    )
+
+  update_board(${BOARD_TARGET})
+
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+#    target_compile_options(${BOARD_TARGET} PUBLIC
+#      )
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      "LINKER:--entry=_start"
+      --specs=nosys.specs
+      -nostartfiles
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_Clang}"
+      "LINKER:--entry=_start"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
+  endif ()
+endfunction()
+
+
+#------------------------------------
+# Functions
+#------------------------------------
+function(family_configure_example TARGET RTOS)
+  family_configure_common(${TARGET} ${RTOS})
+
+  # Board target
+  add_board_target(board_${BOARD})
+
+  #---------- Port Specific ----------
+  # These files are built for each example since it depends on example's tusb_config.h
+  target_sources(${TARGET} PUBLIC
+    # BSP
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/family.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../board.c
+    )
+  target_include_directories(${TARGET} PUBLIC
+    # family, hw, board
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../../
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}
+    )
+
+  # Add TinyUSB target and port source
+  family_add_tinyusb(${TARGET} OPT_MCU_BCM${BCM_VERSION})
+  target_sources(${TARGET} PUBLIC
+    ${TOP}/src/portable/synopsys/dwc2/dcd_dwc2.c
+    ${TOP}/src/portable/synopsys/dwc2/hcd_dwc2.c
+    ${TOP}/src/portable/synopsys/dwc2/dwc2_common.c
+    )
+  target_link_libraries(${TARGET} PUBLIC board_${BOARD})
+
+
+
+  # Flashing
+  family_add_bin_hex(${TARGET})
+  family_flash_jlink(${TARGET})
+endfunction()

managed_components/espressif__tinyusb/hw/bsp/broadcom_64bit/family.mk

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+MCU_DIR = hw/mcu/broadcom
+include $(TOP)/$(BOARD_PATH)/board.mk
+
+CFLAGS += \
+	-Wall \
+	-O0 \
+	-ffreestanding \
+	-nostdlib \
+	-nostartfiles \
+	--specs=nosys.specs \
+	-mgeneral-regs-only \
+	-std=c17
+
+CROSS_COMPILE = aarch64-none-elf-
+
+# mcu driver cause following warnings
+CFLAGS_GCC += -Wno-error=cast-qual -Wno-error=redundant-decls
+
+SRC_C += \
+	src/portable/synopsys/dwc2/dcd_dwc2.c \
+	src/portable/synopsys/dwc2/hcd_dwc2.c \
+	src/portable/synopsys/dwc2/dwc2_common.c \
+	$(MCU_DIR)/broadcom/gen/interrupt_handlers.c \
+	$(MCU_DIR)/broadcom/gpio.c \
+	$(MCU_DIR)/broadcom/interrupts.c \
+	$(MCU_DIR)/broadcom/mmu.c \
+	$(MCU_DIR)/broadcom/caches.c \
+	$(MCU_DIR)/broadcom/vcmailbox.c
+
+LD_FILE = $(MCU_DIR)/broadcom/link8.ld
+
+INC += \
+	$(TOP)/$(BOARD_PATH) \
+	$(TOP)/$(MCU_DIR) \
+	$(TOP)/lib/CMSIS_5/CMSIS/Core_A/Include
+
+SRC_S += $(MCU_DIR)/broadcom/boot8.s
+
+$(BUILD)/kernel8.img: $(BUILD)/$(PROJECT).elf
+	$(OBJCOPY) -O binary $^ $@
+
+# Copy to kernel to netboot drive or SD card
+# Change destinaation to fit your need
+flash: $(BUILD)/kernel8.img
+	@$(CP) $< /home/$(USER)/Documents/code/pi_tinyusb/boot_cpy