[U-Boot] [PATCH 2/4] usb: dwc2-otg: redefine fifo-size for rk3288

Simon Glass sjg at chromium.org
Thu Jun 30 17:23:55 CEST 2016


Hi Ziyuan,

On 30 June 2016 at 00:21, Ziyuan Xu <xzy.xu at rock-chips.com> wrote:
> Redefine RX FIFO size & TX FIFO size for rk3288.
>
> Signed-off-by: Ziyuan Xu <xzy.xu at rock-chips.com>
> ---
>
>  drivers/usb/gadget/dwc2_udc_otg_regs.h | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/drivers/usb/gadget/dwc2_udc_otg_regs.h b/drivers/usb/gadget/dwc2_udc_otg_regs.h
> index 78ec90e..a0617c8 100644
> --- a/drivers/usb/gadget/dwc2_udc_otg_regs.h
> +++ b/drivers/usb/gadget/dwc2_udc_otg_regs.h
> @@ -130,8 +130,14 @@ struct dwc2_usbotg_reg {
>  #define HIGH_SPEED_CONTROL_PKT_SIZE    64
>  #define HIGH_SPEED_BULK_PKT_SIZE       512
>
> +#ifdef CONFIG_ROCKCHIP_RK3288
> +#define RX_FIFO_SIZE                   (275*4)
> +#define NPTX_FIFO_SIZE                 (16*4)
> +#else
>  #define RX_FIFO_SIZE                   (1024*4)
>  #define NPTX_FIFO_SIZE                 (1024*4)
> +#endif

I cannot see where this is used. Can you explain? Also can you add a
reason for the change in your commit message?

> +
>  #define PTX_FIFO_SIZE                  (1536*1)
>
>  #define DEPCTL_TXFNUM_0                (0x0<<22)
> --
> 1.9.1
>
>

Regards,
Simon


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