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.y...@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
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