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 <linux/usb/otg.h>
9 #include <dwc3-sti-glue.h>
10 #include <dwc3-uboot.h>
11 #include <usb.h>
12
13 DECLARE_GLOBAL_DATA_PTR;
14
dram_init(void)15 int dram_init(void)
16 {
17 gd->ram_size = PHYS_SDRAM_1_SIZE;
18 return 0;
19 }
20
dram_init_banksize(void)21 int dram_init_banksize(void)
22 {
23 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
24 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
25
26 return 0;
27 }
28
29 #ifndef CONFIG_SYS_DCACHE_OFF
enable_caches(void)30 void enable_caches(void)
31 {
32 /* Enable D-cache. I-cache is already enabled in start.S */
33 dcache_enable();
34 }
35 #endif
36
board_init(void)37 int board_init(void)
38 {
39 return 0;
40 }
41
42 #ifdef CONFIG_USB_DWC3
43 static struct dwc3_device dwc3_device_data = {
44 .maximum_speed = USB_SPEED_HIGH,
45 .dr_mode = USB_DR_MODE_PERIPHERAL,
46 .index = 0,
47 };
48
usb_gadget_handle_interrupts(int index)49 int usb_gadget_handle_interrupts(int index)
50 {
51 dwc3_uboot_handle_interrupt(index);
52 return 0;
53 }
54
board_usb_init(int index,enum usb_init_type init)55 int board_usb_init(int index, enum usb_init_type init)
56 {
57 int node;
58 const void *blob = gd->fdt_blob;
59
60 /* find the snps,dwc3 node */
61 node = fdt_node_offset_by_compatible(blob, -1, "snps,dwc3");
62
63 dwc3_device_data.base = fdtdec_get_addr(blob, node, "reg");
64
65 return dwc3_uboot_init(&dwc3_device_data);
66 }
67
board_usb_cleanup(int index,enum usb_init_type init)68 int board_usb_cleanup(int index, enum usb_init_type init)
69 {
70 dwc3_uboot_exit(index);
71 return 0;
72 }
73
g_dnl_board_usb_cable_connected(void)74 int g_dnl_board_usb_cable_connected(void)
75 {
76 return 1;
77 }
78 #endif
79