usb: dwc3: Capture new capability register GHWPARAMS9

DWC_usb32 introduces a new HW capability register GHWPARAMS9. Capture
this in the dwc->hwparams.hwparams9 field.
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/f76cc4a9c8c4ab325f5babe03c57b039166360b0.1619134559.git.Thinh.Nguyen@synopsys.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/dwc3/core.c

@@ -570,6 +570,9 @@ static void dwc3_cache_hwparams(struct dwc3 *dwc)
 	parms->hwparams6 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS6);
 	parms->hwparams7 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS7);
 	parms->hwparams8 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS8);
+
+	if (DWC3_IP_IS(DWC32))
+		parms->hwparams9 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS9);
 }
 
 static int dwc3_core_ulpi_init(struct dwc3 *dwc)

drivers/usb/dwc3/core.h

@@ -143,6 +143,7 @@
 #define DWC3_GHWPARAMS8		0xc600
 #define DWC3_GUCTL3		0xc60c
 #define DWC3_GFLADJ		0xc630
+#define DWC3_GHWPARAMS9		0xc680
 
 /* Device Registers */
 #define DWC3_DCFG		0xc700
@@ -857,6 +858,7 @@ struct dwc3_hwparams {
 	u32	hwparams6;
 	u32	hwparams7;
 	u32	hwparams8;
+	u32	hwparams9;
 };
 
 /* HWPARAMS0 */