1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Altera SoCFPGA common board code
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Copyright (C) 2015 Marek Vasut <marex@denx.de>
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include <common.h>
10*4882a593Smuzhiyun #include <errno.h>
11*4882a593Smuzhiyun #include <asm/arch/reset_manager.h>
12*4882a593Smuzhiyun #include <asm/io.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #include <usb.h>
15*4882a593Smuzhiyun #include <usb/dwc2_udc.h>
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
18*4882a593Smuzhiyun
s_init(void)19*4882a593Smuzhiyun void s_init(void) {}
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun /*
22*4882a593Smuzhiyun * Miscellaneous platform dependent initialisations
23*4882a593Smuzhiyun */
board_init(void)24*4882a593Smuzhiyun int board_init(void)
25*4882a593Smuzhiyun {
26*4882a593Smuzhiyun /* Address of boot parameters for ATAG (if ATAG is used) */
27*4882a593Smuzhiyun gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun return 0;
30*4882a593Smuzhiyun }
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun #ifdef CONFIG_USB_GADGET
33*4882a593Smuzhiyun struct dwc2_plat_otg_data socfpga_otg_data = {
34*4882a593Smuzhiyun .usb_gusbcfg = 0x1417,
35*4882a593Smuzhiyun };
36*4882a593Smuzhiyun
board_usb_init(int index,enum usb_init_type init)37*4882a593Smuzhiyun int board_usb_init(int index, enum usb_init_type init)
38*4882a593Smuzhiyun {
39*4882a593Smuzhiyun int node[2], count;
40*4882a593Smuzhiyun fdt_addr_t addr;
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun count = fdtdec_find_aliases_for_id(gd->fdt_blob, "udc",
43*4882a593Smuzhiyun COMPAT_ALTERA_SOCFPGA_DWC2USB,
44*4882a593Smuzhiyun node, 2);
45*4882a593Smuzhiyun if (count <= 0) /* No controller found. */
46*4882a593Smuzhiyun return 0;
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun addr = fdtdec_get_addr(gd->fdt_blob, node[0], "reg");
49*4882a593Smuzhiyun if (addr == FDT_ADDR_T_NONE) {
50*4882a593Smuzhiyun printf("UDC Controller has no 'reg' property!\n");
51*4882a593Smuzhiyun return -EINVAL;
52*4882a593Smuzhiyun }
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun /* Patch the address from OF into the controller pdata. */
55*4882a593Smuzhiyun socfpga_otg_data.regs_otg = addr;
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun return dwc2_udc_probe(&socfpga_otg_data);
58*4882a593Smuzhiyun }
59*4882a593Smuzhiyun
g_dnl_board_usb_cable_connected(void)60*4882a593Smuzhiyun int g_dnl_board_usb_cable_connected(void)
61*4882a593Smuzhiyun {
62*4882a593Smuzhiyun return 1;
63*4882a593Smuzhiyun }
64*4882a593Smuzhiyun #endif
65