add sltb009a efm32gg12 dev board

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

hw/bsp/sltb009a/board.mk

@@ -0,0 +1,44 @@
+CFLAGS += \
+  -flto \
+  -mthumb \
+  -mcpu=cortex-m4 \
+  -mfloat-abi=hard \
+  -mfpu=fpv4-sp-d16 \
+  -nostdlib -nostartfiles \
+  -D__START=main \
+  -DEFM32GG12B810F1024GM64 \
+  -DCFG_TUSB_MCU=OPT_MCU_EFM32GG12
+
+# mcu driver cause following warnings
+#CFLAGS += -Wno-error=unused-parameter
+
+SILABS_FAMILY = efm32gg12b
+SILABS_FAMILY_ = EFM32GG12B
+SILABS_CMSIS = hw/mcu/silabs/cmsis-dfp-$(SILABS_FAMILY)/Device/SiliconLabs/$(SILABS_FAMILY_)
+
+# All source paths should be relative to the top level.
+LD_FILE = $(SILABS_CMSIS)/Source/GCC/$(SILABS_FAMILY).ld
+
+SRC_C += \
+  $(SILABS_CMSIS)/Source/system_$(SILABS_FAMILY).c \
+
+SRC_S += \
+  $(SILABS_CMSIS)/Source/GCC/startup_$(SILABS_FAMILY).S
+
+INC += \
+  $(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
+  $(TOP)/$(SILABS_CMSIS)/Include \
+  $(TOP)/hw/bsp/$(BOARD)
+
+# For TinyUSB port source
+VENDOR = silabs
+CHIP_FAMILY = efm32gg
+
+# For freeRTOS port source
+FREERTOS_PORT = ARM_CM4
+
+# For flash-jlink target
+JLINK_DEVICE = EFM32GG12B810F1024
+
+# flash target ROM bootloader
+flash: $(BUILD)/$(BOARD)-firmware.bin

hw/bsp/sltb009a/sltb009a.c

@@ -0,0 +1,171 @@
+/* 
+ * 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.
+ */
+
+#include "../board.h"
+#include "em_device.h"
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void USB_IRQHandler(void)
+{
+  tud_int_handler(0);
+}
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM
+//--------------------------------------------------------------------+
+#define LED_PORT              0
+#define LED_PIN               0
+#define LED_STATE_ON          1
+
+#define BUTTON_PORT           0
+#define BUTTON_PIN            0
+#define BUTTON_STATE_ACTIVE   0
+
+
+/**
+  * @brief  System Clock Configuration
+  *         The system Clock is configured as follow :
+  *            System Clock source            = PLL (HSE)
+  *            SYSCLK(Hz)                     = 72000000
+  *            HCLK(Hz)                       = 72000000
+  *            AHB Prescaler                  = 1
+  *            APB1 Prescaler                 = 2
+  *            APB2 Prescaler                 = 1
+  *            HSE Frequency(Hz)              = 8000000
+  *            HSE PREDIV1                    = 1
+  *            PLLMUL                         = 9
+  *            Flash Latency(WS)              = 2
+  * @param  None
+  * @retval None
+  */
+void SystemClock_Config(void)
+{
+
+}
+
+void board_init(void)
+{
+  SystemClock_Config();
+
+  #if CFG_TUSB_OS  == OPT_OS_NONE
+  // 1ms tick timer
+  //SysTick_Config(SystemCoreClock / 1000);
+  #endif
+
+  // LED
+
+  // Button
+
+  // USB Pins
+  // Configure USB DM and DP pins.
+
+  // USB Clock enable
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+  (void)state;
+}
+
+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)
+{
+  (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;
+}
+#endif
+
+void HardFault_Handler(void)
+{
+  asm("bkpt");
+}
+
+void MemManage_Handler(void)
+{
+  asm("bkpt");
+}
+
+void BusFault_Handler(void)
+{
+  asm("bkpt");
+}
+
+void UsageFault_Handler(void)
+{
+  asm("bkpt");
+}
+
+#ifdef  USE_FULL_ASSERT
+/**
+  * @brief  Reports the name of the source file and the source line number
+  *         where the assert_param error has occurred.
+  * @param  file: pointer to the source file name
+  * @param  line: assert_param error line source number
+  * @retval None
+  */
+void assert_failed(char *file, uint32_t line)
+{ 
+  /* USER CODE BEGIN 6 */
+  /* User can add his own implementation to report the file name and line number,
+     tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
+  /* USER CODE END 6 */
+}
+#endif /* USE_FULL_ASSERT */
+
+// Required by __libc_init_array in startup code if we are compiling using
+// -nostdlib/-nostartfiles.
+void _init(void)
+{
+
+}