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diff --git a/sys/dev/usb/controller/dwc3.h b/sys/dev/usb/controller/dwc3.h
--- a/sys/dev/usb/controller/dwc3.h
+++ b/sys/dev/usb/controller/dwc3.h
@@ -31,6 +31,15 @@
#ifndef _DWC3_H_
#define _DWC3_H_
+#define DWC3_IP_ID 0x5533
+#define DWC3_1_IP_ID 0x3331
+#define DWC3_2_IP_ID 0x3332
+
+#define DWC3_VERSION_MASK 0xFFFF0000
+#define DWC3_REVISION_MASK 0xFFFF
+#define DWC3_VERSION(x) ((x & DWC3_VERSION_MASK) >> 16)
+#define DWC3_REVISION(x) (x & DWC3_REVISION_MASK)
+
#define DWC3_GSBUSCFG0 0xc100
#define DWC3_GSBUSCFG1 0xc104
#define DWC3_GTXTHRCFG 0xc108
@@ -80,6 +89,9 @@
#define DWC3_GPRTBIMAP_HSLO 0xc180
#define DWC3_GPRTBIMAP_FSLO 0xc188
+#define DWC3_1_VER_NUMBER 0xc1a0
+#define DWC3_1_VER_TYPE 0xc1a4
+
#define DWC3_GUSB2PHYCFG0 0xc200
#define DWC3_GUSB2PHYCFG0_PHYSOFTRST (1 << 31)
#define DWC3_GUSB2PHYCFG0_U2_FREECLK_EXISTS (1 << 30)
diff --git a/sys/dev/usb/controller/dwc3.c b/sys/dev/usb/controller/dwc3.c
--- a/sys/dev/usb/controller/dwc3.c
+++ b/sys/dev/usb/controller/dwc3.c
@@ -86,6 +86,9 @@
bus_space_tag_t bst;
bus_space_handle_t bsh;
uint32_t snpsid;
+ uint32_t snpsversion;
+ uint32_t snpsrevision;
+ uint32_t snpsversion_type;
#ifdef FDT
clk_t clk_ref;
clk_t clk_suspend;
@@ -389,8 +392,26 @@
sc->bsh = rman_get_bushandle(sc->mem_res);
sc->snpsid = DWC3_READ(sc, DWC3_GSNPSID);
- if (bootverbose)
- device_printf(sc->dev, "snps id: %#012x\n", sc->snpsid);
+ sc->snpsversion = DWC3_VERSION(sc->snpsid);
+ sc->snpsrevision = DWC3_REVISION(sc->snpsid);
+ if (sc->snpsversion == DWC3_1_IP_ID ||
+ sc->snpsversion == DWC3_2_IP_ID) {
+ sc->snpsrevision = DWC3_READ(sc, DWC3_1_VER_NUMBER);
+ sc->snpsversion_type = DWC3_READ(sc, DWC3_1_VER_TYPE);
+ }
+ if (bootverbose) {
+ if (sc->snpsversion == DWC3_IP_ID)
+ device_printf(sc->dev, "SNPS Version: DWC3 (%x %x)\n",
+ sc->snpsversion, sc->snpsrevision);
+ if (sc->snpsversion == DWC3_1_IP_ID)
+ device_printf(sc->dev, "SNPS Version: DWC3.1 (%x %x %x)\n",
+ sc->snpsversion, sc->snpsrevision,
+ sc->snpsversion_type);
+ if (sc->snpsversion == DWC3_2_IP_ID)
+ device_printf(sc->dev, "SNPS Version: DWC3.2 (%x %x %x)\n",
+ sc->snpsversion, sc->snpsrevision,
+ sc->snpsversion_type);
+ }
#ifdef DWC3_DEBUG
snps_dwc3_dump_ctrlparams(sc);
#endif

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