On 8 August 2017 at 21:36, William Wu william.wu@rock-chips.com wrote:
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);
These USB init things have been bothering me for a while. Do you think this could be changed into a driver that you could probe with device_probe()? Then much of the code in here would not be needed and it might be easier to tidy it up when we have proper driver-model support for USB device mode.
+}
+int board_usb_cleanup(int index, enum usb_init_type init) +{
return 0;+}
+#endif
2.0.0
Regards, Simon