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usb/dwc3: Read the full IDs/version

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We need to enable some quirks based on the version so read it.

Reviewed by:	andrew
Differential Revision:	https://reviews.freebsd.org/D37393
Sponsored by:	Beckhoff Automation GmbH & Co. KG
This commit is contained in:
Emmanuel Vadot 2022-11-15 11:22:23 +01:00
parent dbd7bb7c89
commit 0e87f58bd7
2 changed files with 40 additions and 2 deletions
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30
sys/dev/usb/controller/dwc3.c
View File

@ -86,6 +86,9 @@ struct snps_dwc3_softc {
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 +392,31 @@ snps_dwc3_common_attach(device_t dev, bool is_fdt)
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) {
switch (sc->snpsversion) {
case DWC3_IP_ID:
device_printf(sc->dev, "SNPS Version: DWC3 (%x %x)\n",
sc->snpsversion, sc->snpsrevision);
break;
case DWC3_1_IP_ID:
device_printf(sc->dev, "SNPS Version: DWC3.1 (%x %x %x)\n",
sc->snpsversion, sc->snpsrevision,
sc->snpsversion_type);
break;
case DWC3_2_IP_ID:
device_printf(sc->dev, "SNPS Version: DWC3.2 (%x %x %x)\n",
sc->snpsversion, sc->snpsrevision,
sc->snpsversion_type);
break;
}
}
#ifdef DWC3_DEBUG
snps_dwc3_dump_ctrlparams(sc);
#endif

12
sys/dev/usb/controller/dwc3.h
View File

@ -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)