1 /* 2 * (C) Copyright 2016 Rockchip Electronics Co., Ltd 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <asm/armv8/mmu.h> 9 #include <dwc3-uboot.h> 10 #include <usb.h> 11 12 DECLARE_GLOBAL_DATA_PTR; 13 14 int board_init(void) 15 { 16 return 0; 17 } 18 19 #if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG) 20 #include <usb.h> 21 #include <usb/dwc2_udc.h> 22 23 static struct dwc2_plat_otg_data rk3328_otg_data = { 24 .rx_fifo_sz = 512, 25 .np_tx_fifo_sz = 16, 26 .tx_fifo_sz = 128, 27 }; 28 29 int board_usb_init(int index, enum usb_init_type init) 30 { 31 int node; 32 const char *mode; 33 bool matched = false; 34 const void *blob = gd->fdt_blob; 35 36 /* find the usb_otg node */ 37 node = fdt_node_offset_by_compatible(blob, -1, 38 "rockchip,rk3328-usb"); 39 40 while (node > 0) { 41 mode = fdt_getprop(blob, node, "dr_mode", NULL); 42 if (mode && strcmp(mode, "otg") == 0) { 43 matched = true; 44 break; 45 } 46 47 node = fdt_node_offset_by_compatible(blob, node, 48 "rockchip,rk3328-usb"); 49 } 50 if (!matched) { 51 debug("Not found usb_otg device\n"); 52 return -ENODEV; 53 } 54 55 rk3328_otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg"); 56 57 return dwc2_udc_probe(&rk3328_otg_data); 58 } 59 60 int board_usb_cleanup(int index, enum usb_init_type init) 61 { 62 return 0; 63 } 64 #endif 65