1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (c) 2017 Intel Corporation
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun #include <common.h>
7*4882a593Smuzhiyun #include <dwc3-uboot.h>
8*4882a593Smuzhiyun #include <environment.h>
9*4882a593Smuzhiyun #include <mmc.h>
10*4882a593Smuzhiyun #include <u-boot/md5.h>
11*4882a593Smuzhiyun #include <usb.h>
12*4882a593Smuzhiyun #include <watchdog.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #include <linux/usb/gadget.h>
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #include <asm/cache.h>
17*4882a593Smuzhiyun #include <asm/scu.h>
18*4882a593Smuzhiyun #include <asm/u-boot-x86.h>
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun static struct dwc3_device dwc3_device_data = {
23*4882a593Smuzhiyun .maximum_speed = USB_SPEED_HIGH,
24*4882a593Smuzhiyun .base = CONFIG_SYS_USB_OTG_BASE,
25*4882a593Smuzhiyun .dr_mode = USB_DR_MODE_PERIPHERAL,
26*4882a593Smuzhiyun .index = 0,
27*4882a593Smuzhiyun };
28*4882a593Smuzhiyun
usb_gadget_handle_interrupts(int controller_index)29*4882a593Smuzhiyun int usb_gadget_handle_interrupts(int controller_index)
30*4882a593Smuzhiyun {
31*4882a593Smuzhiyun dwc3_uboot_handle_interrupt(controller_index);
32*4882a593Smuzhiyun WATCHDOG_RESET();
33*4882a593Smuzhiyun return 0;
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun
board_usb_init(int index,enum usb_init_type init)36*4882a593Smuzhiyun int board_usb_init(int index, enum usb_init_type init)
37*4882a593Smuzhiyun {
38*4882a593Smuzhiyun if (index == 0 && init == USB_INIT_DEVICE)
39*4882a593Smuzhiyun return dwc3_uboot_init(&dwc3_device_data);
40*4882a593Smuzhiyun return -EINVAL;
41*4882a593Smuzhiyun }
42*4882a593Smuzhiyun
board_usb_cleanup(int index,enum usb_init_type init)43*4882a593Smuzhiyun int board_usb_cleanup(int index, enum usb_init_type init)
44*4882a593Smuzhiyun {
45*4882a593Smuzhiyun if (index == 0 && init == USB_INIT_DEVICE) {
46*4882a593Smuzhiyun dwc3_uboot_exit(index);
47*4882a593Smuzhiyun return 0;
48*4882a593Smuzhiyun }
49*4882a593Smuzhiyun return -EINVAL;
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun
assign_serial(void)52*4882a593Smuzhiyun static void assign_serial(void)
53*4882a593Smuzhiyun {
54*4882a593Smuzhiyun struct mmc *mmc = find_mmc_device(0);
55*4882a593Smuzhiyun unsigned char ssn[16];
56*4882a593Smuzhiyun char usb0addr[18];
57*4882a593Smuzhiyun char serial[33];
58*4882a593Smuzhiyun int i;
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun if (!mmc)
61*4882a593Smuzhiyun return;
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun md5((unsigned char *)mmc->cid, sizeof(mmc->cid), ssn);
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun snprintf(usb0addr, sizeof(usb0addr), "02:00:86:%02x:%02x:%02x",
66*4882a593Smuzhiyun ssn[13], ssn[14], ssn[15]);
67*4882a593Smuzhiyun env_set("usb0addr", usb0addr);
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun for (i = 0; i < 16; i++)
70*4882a593Smuzhiyun snprintf(&serial[2 * i], 3, "%02x", ssn[i]);
71*4882a593Smuzhiyun env_set("serial#", serial);
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun #if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
74*4882a593Smuzhiyun env_save();
75*4882a593Smuzhiyun #endif
76*4882a593Smuzhiyun }
77*4882a593Smuzhiyun
assign_hardware_id(void)78*4882a593Smuzhiyun static void assign_hardware_id(void)
79*4882a593Smuzhiyun {
80*4882a593Smuzhiyun struct ipc_ifwi_version v;
81*4882a593Smuzhiyun char hardware_id[4];
82*4882a593Smuzhiyun int ret;
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun ret = scu_ipc_command(IPCMSG_GET_FW_REVISION, 1, NULL, 0, (u32 *)&v, 4);
85*4882a593Smuzhiyun if (ret < 0)
86*4882a593Smuzhiyun printf("Can't retrieve hardware revision\n");
87*4882a593Smuzhiyun
88*4882a593Smuzhiyun snprintf(hardware_id, sizeof(hardware_id), "%02X", v.hardware_id);
89*4882a593Smuzhiyun env_set("hardware_id", hardware_id);
90*4882a593Smuzhiyun
91*4882a593Smuzhiyun #if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
92*4882a593Smuzhiyun env_save();
93*4882a593Smuzhiyun #endif
94*4882a593Smuzhiyun }
95*4882a593Smuzhiyun
board_late_init(void)96*4882a593Smuzhiyun int board_late_init(void)
97*4882a593Smuzhiyun {
98*4882a593Smuzhiyun if (!env_get("serial#"))
99*4882a593Smuzhiyun assign_serial();
100*4882a593Smuzhiyun
101*4882a593Smuzhiyun if (!env_get("hardware_id"))
102*4882a593Smuzhiyun assign_hardware_id();
103*4882a593Smuzhiyun
104*4882a593Smuzhiyun return 0;
105*4882a593Smuzhiyun }
106