1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Altera SoCFPGA common board code 4 * 5 * Copyright (C) 2015 Marek Vasut <marex@denx.de> 6 */ 7 8 #include <common.h> 9 #include <errno.h> 10 #include <asm/arch/reset_manager.h> 11 #include <asm/io.h> 12 13 #include <usb.h> 14 #include <usb/dwc2_udc.h> 15 16 DECLARE_GLOBAL_DATA_PTR; 17 18 void s_init(void) {} 19 20 /* 21 * Miscellaneous platform dependent initialisations 22 */ 23 int board_init(void) 24 { 25 /* Address of boot parameters for ATAG (if ATAG is used) */ 26 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; 27 28 return 0; 29 } 30 31 #ifdef CONFIG_USB_GADGET 32 struct dwc2_plat_otg_data socfpga_otg_data = { 33 .usb_gusbcfg = 0x1417, 34 }; 35 36 int board_usb_init(int index, enum usb_init_type init) 37 { 38 int node[2], count; 39 fdt_addr_t addr; 40 41 count = fdtdec_find_aliases_for_id(gd->fdt_blob, "udc", 42 COMPAT_ALTERA_SOCFPGA_DWC2USB, 43 node, 2); 44 if (count <= 0) /* No controller found. */ 45 return 0; 46 47 addr = fdtdec_get_addr(gd->fdt_blob, node[0], "reg"); 48 if (addr == FDT_ADDR_T_NONE) { 49 printf("UDC Controller has no 'reg' property!\n"); 50 return -EINVAL; 51 } 52 53 /* Patch the address from OF into the controller pdata. */ 54 socfpga_otg_data.regs_otg = addr; 55 56 return dwc2_udc_probe(&socfpga_otg_data); 57 } 58 59 int g_dnl_board_usb_cable_connected(void) 60 { 61 return 1; 62 } 63 #endif 64