1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2017, STMicroelectronics - All Rights Reserved
4 * Author(s): Patrice Chotard, <patrice.chotard@foss.st.com> for STMicroelectronics.
5 */
6
7 #include <common.h>
8 #include <cpu_func.h>
9 #include <init.h>
10 #include <asm/cache.h>
11 #include <asm/global_data.h>
12 #include <linux/usb/otg.h>
13 #include <dwc3-sti-glue.h>
14 #include <dwc3-uboot.h>
15 #include <usb.h>
16
17 DECLARE_GLOBAL_DATA_PTR;
18
dram_init(void)19 int dram_init(void)
20 {
21 gd->ram_size = PHYS_SDRAM_1_SIZE;
22 return 0;
23 }
24
dram_init_banksize(void)25 int dram_init_banksize(void)
26 {
27 gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
28 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
29
30 return 0;
31 }
32
33 #if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
enable_caches(void)34 void enable_caches(void)
35 {
36 /* Enable D-cache. I-cache is already enabled in start.S */
37 dcache_enable();
38 }
39 #endif
40
board_init(void)41 int board_init(void)
42 {
43 return 0;
44 }
45
46 #ifdef CONFIG_USB_DWC3
47 static struct dwc3_device dwc3_device_data = {
48 .maximum_speed = USB_SPEED_HIGH,
49 .dr_mode = USB_DR_MODE_PERIPHERAL,
50 .index = 0,
51 };
52
usb_gadget_handle_interrupts(int index)53 int usb_gadget_handle_interrupts(int index)
54 {
55 dwc3_uboot_handle_interrupt(index);
56 return 0;
57 }
58
board_usb_init(int index,enum usb_init_type init)59 int board_usb_init(int index, enum usb_init_type init)
60 {
61 int node;
62 const void *blob = gd->fdt_blob;
63
64 /* find the snps,dwc3 node */
65 node = fdt_node_offset_by_compatible(blob, -1, "snps,dwc3");
66
67 dwc3_device_data.base = fdtdec_get_addr(blob, node, "reg");
68
69 return dwc3_uboot_init(&dwc3_device_data);
70 }
71
board_usb_cleanup(int index,enum usb_init_type init)72 int board_usb_cleanup(int index, enum usb_init_type init)
73 {
74 dwc3_uboot_exit(index);
75 return 0;
76 }
77
g_dnl_board_usb_cable_connected(void)78 int g_dnl_board_usb_cable_connected(void)
79 {
80 return 1;
81 }
82 #endif
83