static int
dwc3_init(struct exynos_xhci_softc *esc)
{
int hwparams1;
int rev;
int reg;
rev = READ4(esc, GSNPSID);
if ((rev & GSNPSID_MASK) != 0x55330000) {
printf("It is not DWC3 controller\n");
return (-1);
}
/* Reset controller */
WRITE4(esc, GCTL, GCTL_CORESOFTRESET);
WRITE4(esc, GUSB3PIPECTL(0), GUSB3PIPECTL_PHYSOFTRST);
WRITE4(esc, GUSB2PHYCFG(0), GUSB2PHYCFG_PHYSOFTRST);
DELAY(100000);
reg = READ4(esc, GUSB3PIPECTL(0));
reg &= ~(GUSB3PIPECTL_PHYSOFTRST);
WRITE4(esc, GUSB3PIPECTL(0), reg);
reg = READ4(esc, GUSB2PHYCFG(0));
reg &= ~(GUSB2PHYCFG_PHYSOFTRST);
WRITE4(esc, GUSB2PHYCFG(0), reg);
reg = READ4(esc, GCTL);
reg &= ~GCTL_CORESOFTRESET;
WRITE4(esc, GCTL, reg);
hwparams1 = READ4(esc, GHWPARAMS1);
reg = READ4(esc, GCTL);
reg &= ~(GCTL_SCALEDOWN_MASK << GCTL_SCALEDOWN_SHIFT);
reg &= ~(GCTL_DISSCRAMBLE);
if (GHWPARAMS1_EN_PWROPT(hwparams1) == \
GHWPARAMS1_EN_PWROPT_CLK)
reg &= ~(GCTL_DSBLCLKGTNG);
if ((rev & REVISION_MASK) < 0x190a)
reg |= (GCTL_U2RSTECN);
WRITE4(esc, GCTL, reg);
/* Set host mode */
reg = READ4(esc, GCTL);
reg &= ~(GCTL_PRTCAPDIR(GCTL_PRTCAP_OTG));
reg |= GCTL_PRTCAPDIR(GCTL_PRTCAP_HOST);
WRITE4(esc, GCTL, reg);
return (0);
}
dump_register(GHWPARAMS0), dump_register(GHWPARAMS1), dump_register(GHWPARAMS2), dump_register(GHWPARAMS3), dump_register(GHWPARAMS4), dump_register(GHWPARAMS5), dump_register(GHWPARAMS6), dump_register(GHWPARAMS7), dump_register(GDBGFIFOSPACE), dump_register(GDBGLTSSM), dump_register(GPRTBIMAP_HS0), dump_register(GPRTBIMAP_HS1), dump_register(GPRTBIMAP_FS0), dump_register(GPRTBIMAP_FS1), dump_register(GUSB2PHYCFG(0)), dump_register(GUSB2PHYCFG(1)), dump_register(GUSB2PHYCFG(2)), dump_register(GUSB2PHYCFG(3)), dump_register(GUSB2PHYCFG(4)), dump_register(GUSB2PHYCFG(5)), dump_register(GUSB2PHYCFG(6)), dump_register(GUSB2PHYCFG(7)), dump_register(GUSB2PHYCFG(8)), dump_register(GUSB2PHYCFG(9)), dump_register(GUSB2PHYCFG(10)), dump_register(GUSB2PHYCFG(11)), dump_register(GUSB2PHYCFG(12)), dump_register(GUSB2PHYCFG(13)), dump_register(GUSB2PHYCFG(14)), dump_register(GUSB2PHYCFG(15)),