adding generalized dwc2 driver

hw/bsp/stm32f4/family.mk

@@ -21,7 +21,7 @@ CFLAGS += \
 CFLAGS += -Wno-error=cast-align
 
 SRC_C += \
-	src/portable/st/synopsys/dcd_synopsys.c \
+	src/portable/synopsys/dwc2/dcd_dwc2.c \
 	$(ST_CMSIS)/Source/Templates/system_stm32$(ST_FAMILY)xx.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal.c \
 	$(ST_HAL_DRIVER)/Src/stm32$(ST_FAMILY)xx_hal_cortex.c \

src/device/dcd_attr.h

@@ -85,24 +85,53 @@
   #define DCD_ATTR_ENDPOINT_EXCLUSIVE_NUMBER
 
 //------------- ST -------------//
-#elif TU_CHECK_MCU(STM32F0) || TU_CHECK_MCU(STM32F1) || TU_CHECK_MCU(STM32F3) || \
-      TU_CHECK_MCU(STM32L0) || TU_CHECK_MCU(STM32L1) || TU_CHECK_MCU(STM32L4)
-  // F1: F102, F103
-  // L4: L4x2, L4x3
+#elif TU_CHECK_MCU(STM32F0)
   #define DCD_ATTR_ENDPOINT_MAX   8
 
-#elif TU_CHECK_MCU(STM32F2) || TU_CHECK_MCU(STM32F4) || TU_CHECK_MCU(STM32F3)
-  // F1: F105, F107 only has 4
-  // L4: L4x5, L4x6 has 6
-  // For most mcu, FS has 4, HS has 6
+#elif TU_CHECK_MCU(STM32F1)
+  #if defined (STM32F105x8) || defined (STM32F105xB) || defined (STM32F105xC) || \
+      defined (STM32F107xB) || defined (STM32F107xC)
+    #define DCD_ATTR_ENDPOINT_MAX   4
+    #define DCD_ATTR_DWC2_STM32
+  #else
+    #define DCD_ATTR_ENDPOINT_MAX   8
+  #endif
+
+#elif TU_CHECK_MCU(STM32F2)
+  // FS has 4 ep, HS has 5 ep
   #define DCD_ATTR_ENDPOINT_MAX   6
+  #define DCD_ATTR_DWC2_STM32
+
+#elif TU_CHECK_MCU(STM32F3)
+  #define DCD_ATTR_ENDPOINT_MAX   8
+
+#elif TU_CHECK_MCU(STM32F4)
+  // For most mcu, FS has 4, HS has 6. TODO 446/469/479 HS has 9
+  #define DCD_ATTR_ENDPOINT_MAX   6
+  #define DCD_ATTR_DWC2_STM32
 
 #elif TU_CHECK_MCU(STM32F7)
   // FS has 6, HS has 9
   #define DCD_ATTR_ENDPOINT_MAX   9
+  #define DCD_ATTR_DWC2_STM32
 
 #elif TU_CHECK_MCU(STM32H7)
   #define DCD_ATTR_ENDPOINT_MAX   9
+  #define DCD_ATTR_DWC2_STM32
+
+#elif TU_CHECK_MCU(STM32L0) || TU_CHECK_MCU(STM32L1)
+  #define DCD_ATTR_ENDPOINT_MAX   8
+
+#elif TU_CHECK_MCU(STM32L4)
+  #if defined (STM32L475xx) || defined (STM32L476xx) ||                          \
+      defined (STM32L485xx) || defined (STM32L486xx) || defined (STM32L496xx) || \
+      defined (STM32L4R5xx) || defined (STM32L4R7xx) || defined (STM32L4R9xx) || \
+      defined (STM32L4S5xx) || defined (STM32L4S7xx) || defined (STM32L4S9xx)
+    #define DCD_ATTR_ENDPOINT_MAX   6
+    #define DCD_ATTR_DWC2_STM32
+  #else
+    #define DCD_ATTR_ENDPOINT_MAX   8
+  #endif
 
 //------------- Sony -------------//
 #elif TU_CHECK_MCU(CXD56)

src/portable/synopsys/dwc2/dwc2_gd32.h

@@ -0,0 +1,56 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021, 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 DWC2_GD32_H_
+#define DWC2_GD32_H_
+
+// for remote wakeup delay
+#define __NOP()   __asm volatile ("nop")
+
+// These numbers are the same for the whole GD32VF103 family.
+#define OTG_FS_IRQn     86
+#define EP_MAX_FS       4
+#define EP_FIFO_SIZE_FS 1280
+
+// The GD32VF103 is a RISC-V MCU, which implements the ECLIC Core-Local
+// Interrupt Controller by Nuclei. It is nearly API compatible to the
+// NVIC used by ARM MCUs.
+#define ECLIC_INTERRUPT_ENABLE_BASE 0xD2001001UL
+
+#define NVIC_EnableIRQ __eclic_enable_interrupt
+#define NVIC_DisableIRQ __eclic_disable_interrupt
+
+static inline void __eclic_enable_interrupt (uint32_t irq) {
+  *(volatile uint8_t*)(ECLIC_INTERRUPT_ENABLE_BASE + (irq * 4)) = 1;
+}
+
+static inline void __eclic_disable_interrupt (uint32_t irq){
+  *(volatile uint8_t*)(ECLIC_INTERRUPT_ENABLE_BASE + (irq * 4)) = 0;
+}
+
+
+#endif /* DWC2_GD32_H_ */

src/portable/synopsys/dwc2/dwc2_stm32.h

@@ -0,0 +1,72 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021, 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 _TUSB_DWC2_STM32_H_
+#define _TUSB_DWC2_STM32_H_
+
+// EP_MAX       : Max number of bi-directional endpoints including EP0
+// EP_FIFO_SIZE : Size of dedicated USB SRAM
+#if CFG_TUSB_MCU == OPT_MCU_STM32F1
+  #include "stm32f1xx.h"
+  #define EP_MAX_FS       4
+  #define EP_FIFO_SIZE_FS 1280
+
+#elif CFG_TUSB_MCU == OPT_MCU_STM32F2
+  #include "stm32f2xx.h"
+  #define EP_MAX_FS       USB_OTG_FS_MAX_IN_ENDPOINTS
+  #define EP_FIFO_SIZE_FS USB_OTG_FS_TOTAL_FIFO_SIZE
+
+#elif CFG_TUSB_MCU == OPT_MCU_STM32F4
+  #include "stm32f4xx.h"
+  #define EP_MAX_FS       USB_OTG_FS_MAX_IN_ENDPOINTS
+  #define EP_FIFO_SIZE_FS USB_OTG_FS_TOTAL_FIFO_SIZE
+  #define EP_MAX_HS       USB_OTG_HS_MAX_IN_ENDPOINTS
+  #define EP_FIFO_SIZE_HS USB_OTG_HS_TOTAL_FIFO_SIZE
+
+#elif CFG_TUSB_MCU == OPT_MCU_STM32H7
+  #include "stm32h7xx.h"
+  #define EP_MAX_FS       9
+  #define EP_FIFO_SIZE_FS 4096
+  #define EP_MAX_HS       9
+  #define EP_FIFO_SIZE_HS 4096
+
+#elif CFG_TUSB_MCU == OPT_MCU_STM32F7
+  #include "stm32f7xx.h"
+  #define EP_MAX_FS       6
+  #define EP_FIFO_SIZE_FS 1280
+  #define EP_MAX_HS       9
+  #define EP_FIFO_SIZE_HS 4096
+
+#elif CFG_TUSB_MCU == OPT_MCU_STM32L4
+  #include "stm32l4xx.h"
+  #define EP_MAX_FS       6
+  #define EP_FIFO_SIZE_FS 1280
+
+#else
+  #error "Unsupported MCUs"
+#endif
+
+#endif /* DWC2_STM32_H_ */