1 /* 2 * Copyright (C) 2012 Altera Corporation <www.altera.com> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <errno.h> 9 #include <asm/arch/reset_manager.h> 10 #include <asm/io.h> 11 12 #include <usb.h> 13 #include <usb/dwc2_udc.h> 14 15 DECLARE_GLOBAL_DATA_PTR; 16 17 void s_init(void) {} 18 19 /* 20 * Miscellaneous platform dependent initialisations 21 */ 22 int board_init(void) 23 { 24 /* Address of boot parameters for ATAG (if ATAG is used) */ 25 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 26 27 return 0; 28 } 29 30 #ifdef CONFIG_USB_GADGET 31 struct dwc2_plat_otg_data socfpga_otg_data = { 32 .usb_gusbcfg = 0x1417, 33 }; 34 35 int board_usb_init(int index, enum usb_init_type init) 36 { 37 int node[2], count; 38 fdt_addr_t addr; 39 40 count = fdtdec_find_aliases_for_id(gd->fdt_blob, "udc", 41 COMPAT_ALTERA_SOCFPGA_DWC2USB, 42 node, 2); 43 if (count <= 0) /* No controller found. */ 44 return 0; 45 46 addr = fdtdec_get_addr(gd->fdt_blob, node[0], "reg"); 47 if (addr == FDT_ADDR_T_NONE) { 48 printf("UDC Controller has no 'reg' property!\n"); 49 return -EINVAL; 50 } 51 52 /* Patch the address from OF into the controller pdata. */ 53 socfpga_otg_data.regs_otg = addr; 54 55 return dwc2_udc_probe(&socfpga_otg_data); 56 } 57 58 int g_dnl_board_usb_cable_connected(void) 59 { 60 return 1; 61 } 62 #endif 63