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.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 2f118ad..b6e53d8 100644 (file)
--- a/drivers/usb/dwc3/core.c
+++ b/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)

diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 7e3afa5..b678200 100644 (file)
--- a/drivers/usb/dwc3/core.h
+++ b/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 */