Squashed 'third_party/pico-sdk/lib/tinyusb/' content from commit 868948f67c
Change-Id: I5d33c2566dd597be9d4b1c30d4b3723c5ef4a265
git-subtree-dir: third_party/pico-sdk/lib/tinyusb
git-subtree-split: 868948f67c90fa7c2553cdcd604b52862cf55720
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/hw/bsp/stm32g4/boards/stm32g474nucleo/board.h b/hw/bsp/stm32g4/boards/stm32g474nucleo/board.h
new file mode 100644
index 0000000..eab0bd5
--- /dev/null
+++ b/hw/bsp/stm32g4/boards/stm32g474nucleo/board.h
@@ -0,0 +1,134 @@
+/*
+ * 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.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+// G474RE Nucleo does not has usb connection. We need to manually connect
+// - PA12 for D+, CN10.12
+// - PA11 for D-, CN10.14
+
+// LED
+#define LED_PORT GPIOA
+#define LED_PIN GPIO_PIN_5
+#define LED_STATE_ON 0
+
+// Button
+#define BUTTON_PORT GPIOC
+#define BUTTON_PIN GPIO_PIN_13
+#define BUTTON_STATE_ACTIVE 1
+
+// UART Enable for STLink VCOM
+#define UART_DEV LPUART1
+#define UART_CLK_EN __HAL_RCC_LPUART1_CLK_ENABLE
+#define UART_GPIO_PORT GPIOA
+#define UART_GPIO_AF GPIO_AF12_LPUART1
+#define UART_TX_PIN GPIO_PIN_2
+#define UART_RX_PIN GPIO_PIN_3
+
+
+//--------------------------------------------------------------------+
+// RCC Clock
+//--------------------------------------------------------------------+
+static inline void board_clock_init(void)
+{
+ RCC_OscInitTypeDef RCC_OscInitStruct = {0};
+ RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
+ RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
+
+ // Configure the main internal regulator output voltage
+ HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1_BOOST);
+
+ // Initializes the CPU, AHB and APB busses clocks
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48 | RCC_OSCILLATORTYPE_HSE;
+ RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+ RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+ RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV4;
+ RCC_OscInitStruct.PLL.PLLN = 50;
+ RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
+ RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
+ RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
+ HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+ // Initializes the CPU, AHB and APB busses clocks
+ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+ HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_8);
+
+ PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
+ PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
+ HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) ;
+
+#if 0 // TODO need to check if USB clock is enabled
+ /* Enable HSI48 */
+ memset(&RCC_OscInitStruct, 0, sizeof(RCC_OscInitStruct));
+
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48;
+ RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
+ HAL_RCC_OscConfig(&RCC_OscInitStruct);
+
+ /*Enable CRS Clock*/
+ RCC_CRSInitTypeDef RCC_CRSInitStruct= {0};
+ __HAL_RCC_CRS_CLK_ENABLE();
+
+ /* Default Synchro Signal division factor (not divided) */
+ RCC_CRSInitStruct.Prescaler = RCC_CRS_SYNC_DIV1;
+
+ /* Set the SYNCSRC[1:0] bits according to CRS_Source value */
+ RCC_CRSInitStruct.Source = RCC_CRS_SYNC_SOURCE_USB;
+
+ /* HSI48 is synchronized with USB SOF at 1KHz rate */
+ RCC_CRSInitStruct.ReloadValue = __HAL_RCC_CRS_RELOADVALUE_CALCULATE(48000000, 1000);
+ RCC_CRSInitStruct.ErrorLimitValue = RCC_CRS_ERRORLIMIT_DEFAULT;
+
+ /* Set the TRIM[5:0] to the default value */
+ RCC_CRSInitStruct.HSI48CalibrationValue = RCC_CRS_HSI48CALIBRATION_DEFAULT;
+
+ /* Start automatic synchronization */
+ HAL_RCCEx_CRSConfig(&RCC_CRSInitStruct);
+#endif
+}
+
+static inline void board_vbus_sense_init(void)
+{
+ // Enable VBUS sense (B device) via pin PA9
+}
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */