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