tinyusb: Enable USB for STM32H7

STM32H7 uses same USB hardware block but requires enabling voltage detector to work. This slightly reworks code to work on all synopsys bases devices. Signed-off-by: Jerzy Kasenberg <jerzy.kasenberg@codecoup.pl>
kasjer · Mar 6, 2024 · be6e5fb · be6e5fb
1 parent e0b0516
commit be6e5fb
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Showing 3 changed files with 39 additions and 13 deletions.
diff --git a/hw/usb/tinyusb/pkg.yml b/hw/usb/tinyusb/pkg.yml
@@ -46,6 +46,8 @@ pkg.deps.'MCU_TARGET == "nRF5340_APP"':
     - "@apache-mynewt-core/hw/usb/tinyusb/nrf53"
 pkg.deps.MCU_STM32F4:
     - "@apache-mynewt-core/hw/usb/tinyusb/synopsys"
+pkg.deps.MCU_STM32H7:
+    - "@apache-mynewt-core/hw/usb/tinyusb/synopsys"
 pkg.deps.MCU_STM32F7:
     - "@apache-mynewt-core/hw/usb/tinyusb/synopsys"
 pkg.deps.MCU_STM32L4:

diff --git a/hw/usb/tinyusb/synopsys/include/tusb_hw.h b/hw/usb/tinyusb/synopsys/include/tusb_hw.h
@@ -32,6 +32,8 @@
 #define CFG_TUSB_MCU OPT_MCU_STM32F4
 #elif MYNEWT_VAL(MCU_STM32F7)
 #define CFG_TUSB_MCU OPT_MCU_STM32F7
+#elif MYNEWT_VAL(MCU_STM32H7)
+#define CFG_TUSB_MCU OPT_MCU_STM32H7
 #elif MYNEWT_VAL(MCU_STM32L4)
 #define CFG_TUSB_MCU OPT_MCU_STM32L4
 #elif MYNEWT_VAL(MCU_STM32U5)

diff --git a/hw/usb/tinyusb/synopsys/src/synopsys.c b/hw/usb/tinyusb/synopsys/src/synopsys.c
@@ -24,6 +24,7 @@
 
 #include <mcu/stm32_hal.h>
 
+#if defined(USB_OTG_FS)
 #if defined(STM32U5)
 #define GPIO_AF_USB GPIO_AF10_USB
 #else
@@ -36,13 +37,31 @@ OTG_FS_IRQHandler(void)
     /* TinyUSB provides interrupt handler code */
     tud_int_handler(0);
 }
+#define USB_OTG                 USB_OTG_FS
+#define USB_OTG_CLK_ENABLE      __HAL_RCC_USB_OTG_FS_CLK_ENABLE
+#elif defined(USB_OTG_HS)
+static void
+OTG_HS_IRQHandler(void)
+{
+    /* TinyUSB provides interrupt handler code */
+    tud_int_handler(0);
+}
+#define USB_OTG                 USB_OTG_HS
+#define USB_OTG_CLK_ENABLE      __HAL_RCC_USB_OTG_HS_CLK_ENABLE
+#define GPIO_AF10_OTG_FS        GPIO_AF10_OTG1_FS
+#define GPIO_AF_USB             GPIO_AF10_OTG_FS
+#endif
 
 void
 tinyusb_hardware_init(void)
 {
+#if defined(USB_OTG_FS)
     NVIC_SetVector(OTG_FS_IRQn, (uint32_t)OTG_FS_IRQHandler);
     NVIC_SetPriority(OTG_FS_IRQn, 2);
-
+#elif defined(USB_OTG_HS)
+    NVIC_SetVector(OTG_HS_IRQn, (uint32_t)OTG_HS_IRQHandler);
+    NVIC_SetPriority(OTG_HS_IRQn, 2);
+#endif
     /*
      * USB Pin Init
      * PA11- DM, PA12- DP
@@ -58,28 +77,31 @@ tinyusb_hardware_init(void)
 #endif
     hal_gpio_init_af(MCU_GPIO_PORTA(12), GPIO_AF_USB, GPIO_NOPULL, GPIO_MODE_AF_PP);
 
+#if MYNEWT_VAL(MCU_STM32H7)
+    HAL_PWREx_EnableUSBVoltageDetector();
+#endif
     /*
      * Enable USB OTG clock, force device mode
      */
-    __HAL_RCC_USB_OTG_FS_CLK_ENABLE();
+    USB_OTG_CLK_ENABLE();
 
 #if MYNEWT_VAL(USB_ID_PIN_ENABLE)
     hal_gpio_init_af(MCU_GPIO_PORTA(10), GPIO_AF_USB, GPIO_PULLUP, GPIO_MODE_AF_OD);
 #else
-    USB_OTG_FS->GUSBCFG &= ~USB_OTG_GUSBCFG_FHMOD;
-    USB_OTG_FS->GUSBCFG |= USB_OTG_GUSBCFG_FDMOD;
+    USB_OTG->GUSBCFG &= ~USB_OTG_GUSBCFG_FHMOD;
+    USB_OTG->GUSBCFG |= USB_OTG_GUSBCFG_FDMOD;
 #endif
 
 #ifdef USB_OTG_GCCFG_NOVBUSSENS
 #if !MYNEWT_VAL(USB_VBUS_DETECTION_ENABLE)
     /* PA9- VUSB not used for USB */
-    USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_NOVBUSSENS;
-    USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBUSBSEN;
-    USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBUSASEN;
+    USB_OTG->GCCFG |= USB_OTG_GCCFG_NOVBUSSENS;
+    USB_OTG->GCCFG &= ~USB_OTG_GCCFG_VBUSBSEN;
+    USB_OTG->GCCFG &= ~USB_OTG_GCCFG_VBUSASEN;
 #else
-    USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_NOVBUSSENS;
-    USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBUSBSEN;
-    USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBUSASEN;
+    USB_OTG->GCCFG &= ~USB_OTG_GCCFG_NOVBUSSENS;
+    USB_OTG->GCCFG &= ~USB_OTG_GCCFG_VBUSBSEN;
+    USB_OTG->GCCFG |= USB_OTG_GCCFG_VBUSASEN;
     hal_gpio_init_in(MCU_GPIO_PORTA(9), HAL_GPIO_PULL_NONE);
 #endif
 #elif USB_OTG_GCCFG_VBDEN
@@ -88,10 +110,10 @@ tinyusb_hardware_init(void)
     USB_OTG_FS->GCCFG |= USB_OTG_GCCFG_VBDEN;
 #else
     /* PA9- VUSB not used for USB */
-    USB_OTG_FS->GCCFG &= ~USB_OTG_GCCFG_VBDEN;
+    USB_OTG->GCCFG &= ~USB_OTG_GCCFG_VBDEN;
     /* B-peripheral session valid override enable */
-    USB_OTG_FS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOEN;
-    USB_OTG_FS->GOTGCTL |= USB_OTG_GOTGCTL_BVALOVAL;
+    USB_OTG->GOTGCTL |= USB_OTG_GOTGCTL_BVALOEN;
+    USB_OTG->GOTGCTL |= USB_OTG_GOTGCTL_BVALOVAL;
 #endif
 #endif