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authorMark Kettenis <kettenis@cvs.openbsd.org>2018-04-09 20:39:04 +0000
committerMark Kettenis <kettenis@cvs.openbsd.org>2018-04-09 20:39:04 +0000
commite35676f1c470b7e077dfd93de1d883b5a5e79fdd (patch)
treea62eaff4a6fd0b315858447eed09d2b95e1dcc72 /sys/dev/fdt/xhci_fdt.c
parentda3965a4df1392a024334520db51d277e907d1f1 (diff)
Add two more dwc3 quirks.
ok visa@, patrick@
Diffstat (limited to 'sys/dev/fdt/xhci_fdt.c')
-rw-r--r--sys/dev/fdt/xhci_fdt.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/sys/dev/fdt/xhci_fdt.c b/sys/dev/fdt/xhci_fdt.c
index c98dbf8368a..9976b81445c 100644
--- a/sys/dev/fdt/xhci_fdt.c
+++ b/sys/dev/fdt/xhci_fdt.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: xhci_fdt.c,v 1.7 2018/03/29 11:41:15 kettenis Exp $ */
+/* $OpenBSD: xhci_fdt.c,v 1.8 2018/04/09 20:39:03 kettenis Exp $ */
/*
* Copyright (c) 2017 Mark kettenis <kettenis@openbsd.org>
*
@@ -134,9 +134,12 @@ unmap:
#define USB3_GCTL_PRTCAPDIR_MASK (0x3 << 12)
#define USB3_GCTL_PRTCAPDIR_HOST (0x1 << 12)
#define USB3_GCTL_PRTCAPDIR_DEVICE (0x2 << 12)
+#define USB3_GUCTL1 0xc11c
+#define USB3_GUCTL1_TX_IPGAP_LINECHECK_DIS (1 << 28)
#define USB3_GUSB2PHYCFG0 0xc200
#define USB3_GUSB2PHYCFG0_U2_FREECLK_EXISTS (1 << 30)
#define USB3_GUSB2PHYCFG0_USBTRDTIM(n) ((n) << 10)
+#define USB3_GUSB2PHYCFG0_ENBLSLPM (1 << 8)
#define USB3_GUSB2PHYCFG0_SUSPENDUSB20 (1 << 6)
#define USB3_GUSB2PHYCFG0_PHYIF (1 << 3)
@@ -147,7 +150,7 @@ xhci_dwc3_init(struct xhci_fdt_softc *sc)
int node = sc->sc_node;
uint32_t reg;
- /* We don't support device mode, so alway force host mode. */
+ /* We don't support device mode, so always force host mode. */
reg = bus_space_read_4(sc->sc.iot, sc->sc.ioh, USB3_GCTL);
reg &= ~USB3_GCTL_PRTCAPDIR_MASK;
reg |= USB3_GCTL_PRTCAPDIR_HOST;
@@ -166,9 +169,17 @@ xhci_dwc3_init(struct xhci_fdt_softc *sc)
}
if (OF_getproplen(node, "snps,dis-u2-freeclk-exists-quirk") == 0)
reg &= ~USB3_GUSB2PHYCFG0_U2_FREECLK_EXISTS;
+ if (OF_getproplen(node, "snps,dis_enblslpm_quirk") == 0)
+ reg &= ~USB3_GUSB2PHYCFG0_ENBLSLPM;
if (OF_getproplen(node, "snps,dis_u2_susphy_quirk") == 0)
reg &= ~USB3_GUSB2PHYCFG0_SUSPENDUSB20;
bus_space_write_4(sc->sc.iot, sc->sc.ioh, USB3_GUSB2PHYCFG0, reg);
+
+ /* Configure USB3 quirks. */
+ reg = bus_space_read_4(sc->sc.iot, sc->sc.ioh, USB3_GUCTL1);
+ if (OF_getproplen(node, "snps,dis-tx-ipgap-linecheck-quirk") == 0)
+ reg |= USB3_GUCTL1_TX_IPGAP_LINECHECK_DIS;
+ bus_space_write_4(sc->sc.iot, sc->sc.ioh, USB3_GUCTL1, reg);
}
/*