1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2017, STMicroelectronics - All Rights Reserved
4 * Author(s): Patrice Chotard, <patrice.chotard@st.com> for STMicroelectronics.
5 */
6
7 #include <common.h>
8 #include <cpu_func.h>
9 #include <linux/usb/otg.h>
10 #include <dwc3-sti-glue.h>
11 #include <dwc3-uboot.h>
12 #include <usb.h>
13
14 DECLARE_GLOBAL_DATA_PTR;
15
dram_init(void)16 int dram_init(void)
17 {
18 gd->ram_size = PHYS_SDRAM_1_SIZE;
19 return 0;
20 }
21
dram_init_banksize(void)22 int dram_init_banksize(void)
23 {
24 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
25 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
26
27 return 0;
28 }
29
30 #if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
enable_caches(void)31 void enable_caches(void)
32 {
33 /* Enable D-cache. I-cache is already enabled in start.S */
34 dcache_enable();
35 }
36 #endif
37
board_init(void)38 int board_init(void)
39 {
40 return 0;
41 }
42
43 #ifdef CONFIG_USB_DWC3
44 static struct dwc3_device dwc3_device_data = {
45 .maximum_speed = USB_SPEED_HIGH,
46 .dr_mode = USB_DR_MODE_PERIPHERAL,
47 .index = 0,
48 };
49
usb_gadget_handle_interrupts(int index)50 int usb_gadget_handle_interrupts(int index)
51 {
52 dwc3_uboot_handle_interrupt(index);
53 return 0;
54 }
55
board_usb_init(int index,enum usb_init_type init)56 int board_usb_init(int index, enum usb_init_type init)
57 {
58 int node;
59 const void *blob = gd->fdt_blob;
60
61 /* find the snps,dwc3 node */
62 node = fdt_node_offset_by_compatible(blob, -1, "snps,dwc3");
63
64 dwc3_device_data.base = fdtdec_get_addr(blob, node, "reg");
65
66 return dwc3_uboot_init(&dwc3_device_data);
67 }
68
board_usb_cleanup(int index,enum usb_init_type init)69 int board_usb_cleanup(int index, enum usb_init_type init)
70 {
71 dwc3_uboot_exit(index);
72 return 0;
73 }
74
g_dnl_board_usb_cable_connected(void)75 int g_dnl_board_usb_cable_connected(void)
76 {
77 return 1;
78 }
79 #endif
80