remove dcd_efm32

1 files changed, 87 insertions, 0 deletions

diff --git a/src/portable/synopsys/dwc2/dwc2_efm32.h b/src/portable/synopsys/dwc2/dwc2_efm32.h
new file mode 100644
index 000000000..ee4c3c715
--- /dev/null
+++ b/src/portable/synopsys/dwc2/dwc2_efm32.h
@@ -0,0 +1,87 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 Rafael Silva (@perigoso)
+ * 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_EFM32_H_
+#define _DWC2_EFM32_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#include "em_device.h"
+
+// EFM32 has custom control register before DWC registers
+#define DWC2_REG_BASE       (USB_BASE + offsetof(USB_TypeDef, GOTGCTL))
+#define DWC2_EP_MAX         7
+#define DWC2_EP_FIFO_SIZE   2048
+
+TU_ATTR_ALWAYS_INLINE
+static inline void dwc2_dcd_int_enable(uint8_t rhport)
+{
+  (void) rhport;
+  NVIC_EnableIRQ(USB_IRQn);
+}
+
+TU_ATTR_ALWAYS_INLINE
+static inline void dwc2_dcd_int_disable (uint8_t rhport)
+{
+  (void) rhport;
+  NVIC_DisableIRQ(USB_IRQn);
+}
+
+static inline void dwc2_remote_wakeup_delay(void)
+{
+  // try to delay for 1 ms
+//  uint32_t count = SystemCoreClock / 1000;
+//  while ( count-- ) __NOP();
+}
+
+// MCU specific PHY init, called BEFORE core reset
+static inline void dwc2_phy_init(dwc2_regs_t * dwc2, uint8_t hs_phy_type)
+{
+  (void) dwc2;
+  (void) hs_phy_type;
+
+  // Enable PHY
+  USB->ROUTE = USB_ROUTE_PHYPEN;
+}
+
+// MCU specific PHY update, it is called AFTER init() and core reset
+static inline void dwc2_phy_update(dwc2_regs_t * dwc2, uint8_t hs_phy_type)
+{
+  (void) dwc2;
+  (void) hs_phy_type;
+
+  // EFM32 Manual: turn around must be 5 (reset & default value)
+  // dwc2->gusbcfg = (dwc2->gusbcfg & ~GUSBCFG_TRDT_Msk) | (5u << GUSBCFG_TRDT_Pos);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif