Initial import of NFC GNSS SDK project

2026-09-15 16:10:12 +08:00
commit 2746cc3d4e
3070 changed files with 892062 additions and 0 deletions
@@ -0,0 +1,3 @@
+MODULE := usb
+
+include $(RIOTBASE)/Makefile.base
@@ -0,0 +1,53 @@
+
+#include <string.h>
+#include "reg.h"
+#include "syscall-arom.h"
+#include "usb_serial.h"
+
+/* Ep address used by use serial device */
+#define EPIN                                 0x81
+#define USB_DIR_OUT                          0       /* to device */
+#define USB_DIR_IN                           0x80    /* to host */
+#define EP_HW_NUM(addr)                      ((addr) & 0x7f)
+/*---------------------------------------------------------------------------*/
+#if AROM_VERSION == AROM_VER_2024_04_30_LAPWING_CR5
+#define USB_REG_BASE                         0xC0000000
+#define DWC3_DALEPENA                        (USB_REG_BASE + 0xC720)
+#define DWC3_DALEPENA_EP(n)                  (1 << n)
+/*---------------------------------------------------------------------------*/
+static unsigned int
+dwc3_get_ep_hardware_num(unsigned char addr)
+{
+  return 2 * EP_HW_NUM(addr) + ((addr & USB_DIR_IN) >> 7);
+}
+/*---------------------------------------------------------------------------*/
+#else
+/*---------------------------------------------------------------------------*/
+#define USB_REG_BASE                         0xD4208000
+#define EP_CTRL(X)                           (USB_REG_BASE + 0x1C0 + 4 * (X))
+#define CTRL_RXE                             (1 << 7)
+#define CTRL_TXE                             (1 << 23)
+#endif /* AROM_VERSION == AROM_VER_2024_04_30_LAPWING_CR5 */
+/*---------------------------------------------------------------------------*/
+static bool
+ep_is_enabled(unsigned addr)
+{
+#if AROM_VERSION == AROM_VER_2024_04_30_LAPWING_CR5
+  unsigned ep_num = dwc3_get_ep_hardware_num(addr);
+  return (readl(DWC3_DALEPENA) & DWC3_DALEPENA_EP(ep_num));
+#else
+  uint32_t val = readl(EP_CTRL(EP_HW_NUM(addr)));
+  return (addr & USB_DIR_IN) ? (val & CTRL_TXE) : (val & CTRL_RXE);
+#endif /* AROM_VERSION == AROM_VER_2024_04_30_LAPWING_CR5 */
+}
+/*---------------------------------------------------------------------------*/
+/*
+ * When the enumeration is complete, the bulk eps are enabled(in the setting
+ * configuration phase). Determine whether enumeration is complete by checking
+ * if the bulk ep is enabled.
+ */
+bool
+usb_enumeration_is_complete(void)
+{
+  return ep_is_enabled(EPIN);
+}