This patch implements board_usb_init() for dwc2 gadget, it generally called from do_fastboot to do dwc2 udc probe and support fastboot over USB.
Signed-off-by: William Wu william.wu@rock-chips.com --- board/rockchip/evb_rv1108/evb_rv1108.c | 47 ++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+)
diff --git a/board/rockchip/evb_rv1108/evb_rv1108.c b/board/rockchip/evb_rv1108/evb_rv1108.c index fe37eac..8ca5ee6 100644 --- a/board/rockchip/evb_rv1108/evb_rv1108.c +++ b/board/rockchip/evb_rv1108/evb_rv1108.c @@ -50,3 +50,50 @@ int dram_init_banksize(void)
return 0; } + +#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG) +#include <usb.h> +#include <usb/dwc2_udc.h> + +static struct dwc2_plat_otg_data rv1108_otg_data = { + .rx_fifo_sz = 512, + .np_tx_fifo_sz = 16, + .tx_fifo_sz = 128, +}; + +int board_usb_init(int index, enum usb_init_type init) +{ + int node; + const char *mode; + bool matched = false; + const void *blob = gd->fdt_blob; + + /* find the usb_otg node */ + node = fdt_node_offset_by_compatible(blob, -1, + "rockchip,rv1108-usb"); + + while (node > 0) { + mode = fdt_getprop(blob, node, "dr_mode", NULL); + if (mode && strcmp(mode, "otg") == 0) { + matched = true; + break; + } + + node = fdt_node_offset_by_compatible(blob, node, + "rockchip,rv1108-usb"); + } + if (!matched) { + debug("Not found usb_otg device\n"); + return -ENODEV; + } + + rv1108_otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg"); + + return dwc2_udc_probe(&rv1108_otg_data); +} + +int board_usb_cleanup(int index, enum usb_init_type init) +{ + return 0; +} +#endif