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usb: dwc2: gadget: Set GDFIFOCFG

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Add programming of GDFIFOCFG register in device mode.
It must contain start address for EP Info block and
total FIFO depth.

Signed-off-by: Sevak Arakelyan <sevaka@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Sevak Arakelyan 2017-01-18 18:34:19 -08:00 committed by Felipe Balbi
parent e92b9d449d
commit f87c842f72
1 changed files with 3 additions and 0 deletions
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3
drivers/usb/dwc2/gadget.c
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@ -241,6 +241,9 @@ static void dwc2_hsotg_init_fifo(struct dwc2_hsotg *hsotg)
val = dwc2_readl(hsotg->regs + DPTXFSIZN(ep));
}
dwc2_writel(hsotg->hw_params.total_fifo_size |
addr << GDFIFOCFG_EPINFOBASE_SHIFT,
hsotg->regs + GDFIFOCFG);
/*
* according to p428 of the design guide, we need to ensure that
* all fifos are flushed before continuing