[U-Boot] [PATCH 3/4] USB:gadget:designware Support high speed

[Marek Vasut]

Dear Amit Virdi,

> From: Vipin KUMAR <vipin.kumar at st.com>
> 
> This patch adds the support for usb device high speed for designware
> peripheral.
> 
> Signed-off-by: Vipin Kumar <vipin.kumar at st.com>
> Signed-off-by: Amit Virdi <amit.virdi at st.com>
> ---
>  drivers/usb/gadget/designware_udc.c |   13 +++++++++----
>  include/usb/designware_udc.h        |    3 +++
>  2 files changed, 12 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/usb/gadget/designware_udc.c
> b/drivers/usb/gadget/designware_udc.c index 3c20f3d..d4b53a2 100644
> --- a/drivers/usb/gadget/designware_udc.c
> +++ b/drivers/usb/gadget/designware_udc.c
> @@ -566,7 +566,7 @@ int udc_init(void)
>  	writel(~0x0, &udc_regs_p->dev_int_mask);
>  	writel(~0x0, &udc_regs_p->endp_int_mask);
> 
> -	writel(DEV_CONF_FS_SPEED | DEV_CONF_REMWAKEUP | DEV_CONF_SELFPOW |
> +	writel(DEV_CONF_HS_SPEED | DEV_CONF_REMWAKEUP | DEV_CONF_SELFPOW |
>  	       DEV_CONF_PHYINT_16, &udc_regs_p->dev_conf);

Won't this break anything?
> 
>  	writel(DEV_CNTL_SOFTDISCONNECT, &udc_regs_p->dev_cntl);
> @@ -577,6 +577,11 @@ int udc_init(void)
>  	return 0;
>  }
> 
> +int is_usbd_high_speed(void)
> +{
> +	return (readl(&udc_regs_p->dev_stat) & DEV_STAT_ENUM) ? 0 : 1;
> +}
> +
>  /*
>   * udc_setup_ep - setup endpoint
>   * Associate a physical endpoint with endpoint_instance
> @@ -792,7 +797,7 @@ void udc_startup_events(struct usb_device_instance
> *device) /*
>   * Plug detection interrupt handling
>   */
> -void dw_udc_plug_irq(void)
> +static void dw_udc_plug_irq(void)

This staticisation stuff should go in a separate patch please.

>  {
>  	if (readl(&plug_regs_p->plug_state) & PLUG_STATUS_ATTACHED) {
>  		/*
> @@ -816,7 +821,7 @@ void dw_udc_plug_irq(void)
>  /*
>   * Device interrupt handling
>   */
> -void dw_udc_dev_irq(void)
> +static void dw_udc_dev_irq(void)
>  {
>  	if (readl(&udc_regs_p->dev_int) & DEV_INT_USBRESET) {
>  		writel(~0x0, &udc_regs_p->endp_int_mask);
> @@ -886,7 +891,7 @@ void dw_udc_dev_irq(void)
>  /*
>   * Endpoint interrupt handling
>   */
> -void dw_udc_endpoint_irq(void)
> +static void dw_udc_endpoint_irq(void)
>  {
>  	while (readl(&udc_regs_p->endp_int) & ENDP0_INT_CTRLOUT) {
> 
> diff --git a/include/usb/designware_udc.h b/include/usb/designware_udc.h
> index ae98e8c..8d48ae9 100644
> --- a/include/usb/designware_udc.h
> +++ b/include/usb/designware_udc.h
> @@ -197,6 +197,9 @@ struct udcfifo_regs {
>  #define  UDC_INT_PACKET_SIZE		64
>  #define  UDC_OUT_ENDPOINT		2
>  #define  UDC_BULK_PACKET_SIZE		64
> +#if defined(CONFIG_USBD_HS)
> +#define  UDC_BULK_HS_PACKET_SIZE	512
> +#endif

You can define this without the ifdef

>  #define  UDC_IN_ENDPOINT		3
>  #define  UDC_OUT_PACKET_SIZE		64
>  #define  UDC_IN_PACKET_SIZE		64

Best regards,
Marek Vasut