The revision is different for these, add the additional check as in
xhci-dwc3 core_init code.
Equivalent upstream Linux patch:
690fb3718a70 ("usb: dwc3: Support Synopsys USB 3.1 IP")
Reviewed-by: Neil Armstrong <neil.armstr...@linaro.org>
Tested-by: Neil Armstrong <neil.armstr...@linaro.org> # on SM8550
Reviewed-by: Mattijs Korpershoek <mkorpersh...@baylibre.com>
Reviewed-by: Marek Vasut <ma...@denx.de>
Signed-off-by: Caleb Connolly <caleb.conno...@linaro.org>
---
Changes since v1:
* Reference Linux patch
* V1:
https://lore.kernel.org/u-boot/20240411160527.835767-1-caleb.conno...@linaro.org
---
drivers/usb/dwc3/core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 96e850b7170f..db045f5822d4 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -594,9 +594,10 @@ static int dwc3_core_init(struct dwc3 *dwc)
int ret;
reg = dwc3_readl(dwc->regs, DWC3_GSNPSID);
/* This should read as U3 followed by revision number */
- if ((reg & DWC3_GSNPSID_MASK) != 0x55330000) {
+ if ((reg & DWC3_GSNPSID_MASK) != 0x55330000 &&
+ (reg & DWC3_GSNPSID_MASK) != 0x33310000) {
dev_err(dwc->dev, "this is not a DesignWare USB3 DRD Core\n");
ret = -ENODEV;
goto err0;
}
--
2.44.0
