[U-Boot] [PATCH v4 2/4] board: evb-rk3399: add api to support dwc3 gadget

[Marek Vasut]

On 09/01/2016 04:14 AM, Kever Yang wrote:
> This patch add board_usb_init() and interrupt callback
> for dwc3 gadget.
> 
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
> ---
> 
> Changes in v4:
> - parse DT for quirk, base address and maximum speed
> 
> Changes in v3:
> - remove utmi width DT parse from borad init
> 
> Changes in v2:
> - parse dt for utmi width
> 
>  board/rockchip/evb_rk3399/evb-rk3399.c | 51 ++++++++++++++++++++++++++++++++++
>  1 file changed, 51 insertions(+)
> 
> diff --git a/board/rockchip/evb_rk3399/evb-rk3399.c b/board/rockchip/evb_rk3399/evb-rk3399.c
> index d394276..58bfa78 100644
> --- a/board/rockchip/evb_rk3399/evb-rk3399.c
> +++ b/board/rockchip/evb_rk3399/evb-rk3399.c
> @@ -7,6 +7,8 @@
>  #include <dm.h>
>  #include <dm/pinctrl.h>
>  #include <asm/arch/periph.h>
> +#include <usb.h>
> +#include <dwc3-uboot.h>
>  
>  DECLARE_GLOBAL_DATA_PTR;
>  
> @@ -54,3 +56,52 @@ void dram_init_banksize(void)
>  	gd->bd->bi_dram[0].start = 0x200000;
>  	gd->bd->bi_dram[0].size = 0x80000000;
>  }
> +
> +#ifdef CONFIG_USB_DWC3
> +static struct dwc3_device dwc3_device_data = {
> +	.index = 0,
> +};
> +
> +int usb_gadget_handle_interrupts(void)
> +{
> +	dwc3_uboot_handle_interrupt(0);
> +	return 0;
> +}
> +
> +int board_usb_init(int index, enum usb_init_type init)
> +{
> +	const void *blob = gd->fdt_blob;
> +	int node;
> +	const char *string;
> +
> +	node = fdt_node_offset_by_compatible(blob, -1,
> +			"rockchip,rk3399-xhci");
> +	if (node < 0) {
> +		debug("%s dwc3 node not found\n", __func__);
> +	} else {
> +		dwc3_device_data.base = fdtdec_get_addr(blob, node, "reg");
> +		dwc3_device_data.dis_u2_susphy_quirk =
> +			fdtdec_get_int(blob, node,
> +				       "snps,dis-u2-susphy-quirk", -1);
> +
> +		string = fdt_getprop(blob, node, "maximum-speed", NULL);
> +		if (string) {
> +			if (0 == strcmp(string, "super-speed"))
> +				dwc3_device_data.maximum_speed = USB_SPEED_SUPER;
> +			else if (0 == strcmp(string, "high-speed"))
> +				dwc3_device_data.maximum_speed = USB_SPEED_HIGH;
> +			else if (0 == strcmp(string, "full-speed"))
> +				dwc3_device_data.maximum_speed = USB_SPEED_FULL;
> +			else
> +				debug("%s: Cannot decode speed'%s'\n", __func__,
> +				      string);
> +		} else {
> +			dwc3_device_data.maximum_speed = USB_SPEED_HIGH;
> +		}
> +		/* Hardcode controller in peripheral mode */
> +		dwc3_device_data.dr_mode = USB_DR_MODE_PERIPHERAL;
> +	}
> +
> +	return dwc3_uboot_init(&dwc3_device_data);
> +}
> +#endif
> 
So will every board have a copy of this exact code, verbatim ?

-- 
Best regards,
Marek Vasut