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Add support for snps,dis-tx-ipgap-linecheck-quirk quirk

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This commit is contained in:
jmcneill 2019-12-12 00:45:59 +00:00
parent bb0577334b
commit c3f116d3b1
1 changed files with 14 additions and 4 deletions
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18
sys/dev/fdt/dwc3_fdt.c
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@ -1,4 +1,4 @@
/* $NetBSD: dwc3_fdt.c,v 1.7 2019/04/19 19:05:56 jmcneill Exp $ */
/* $NetBSD: dwc3_fdt.c,v 1.8 2019/12/12 00:45:59 jmcneill Exp $ */
/*-
* Copyright (c) 2018 Jared McNeill <jmcneill@invisible.ca>
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: dwc3_fdt.c,v 1.7 2019/04/19 19:05:56 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: dwc3_fdt.c,v 1.8 2019/12/12 00:45:59 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@ -52,6 +52,9 @@ __KERNEL_RCSID(0, "$NetBSD: dwc3_fdt.c,v 1.7 2019/04/19 19:05:56 jmcneill Exp $"
#define GCTL_PRTCAP_OTG 3
#define GCTL_CORESOFTRESET __BIT(11)
#define DWC3_GUCTL1 0xc11c
#define GUCTL1_TX_IPGAP_LINECHECK_DIS __BIT(28)
#define DWC3_SNPSID 0xc120
#define DWC3_SNPSID_REV __BITS(15,0)
@ -120,7 +123,7 @@ dwc3_fdt_soft_reset(struct xhci_softc *sc)
}
static void
dwc3_fdt_enable_phy(struct xhci_softc *sc, const int phandle)
dwc3_fdt_enable_phy(struct xhci_softc *sc, const int phandle, u_int rev)
{
const char *max_speed, *phy_type;
u_int phyif_utmi_bits;
@ -162,6 +165,13 @@ dwc3_fdt_enable_phy(struct xhci_softc *sc, const int phandle)
val &= ~GUSB3PIPECTL_DEPOCHANGE;
WR4(sc, DWC3_GUSB3PIPECTL(0), val);
if (rev >= 0x250a) {
val = RD4(sc, DWC3_GUCTL1);
if (of_hasprop(phandle, "snps,dis-tx-ipgap-linecheck-quirk"))
val |= GUCTL1_TX_IPGAP_LINECHECK_DIS;
WR4(sc, DWC3_GUCTL1, val);
}
max_speed = fdtbus_get_string(phandle, "maximum-speed");
if (max_speed == NULL)
max_speed = "super-speed";
@ -279,7 +289,7 @@ dwc3_fdt_attach(device_t parent, device_t self, void *aux)
}
dwc3_fdt_soft_reset(sc);
dwc3_fdt_enable_phy(sc, dwc3_phandle);
dwc3_fdt_enable_phy(sc, dwc3_phandle, rev);
dwc3_fdt_set_mode(sc, GCTL_PRTCAP_HOST);
if (!fdtbus_intr_str(dwc3_phandle, 0, intrstr, sizeof(intrstr))) {