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495f3774 AS |
1 | /* |
2 | * Copyright (c) 2017 Intel Corporation | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0+ | |
5 | */ | |
6 | #include <common.h> | |
7 | #include <dwc3-uboot.h> | |
01510091 | 8 | #include <environment.h> |
495f3774 AS |
9 | #include <mmc.h> |
10 | #include <u-boot/md5.h> | |
11 | #include <usb.h> | |
12 | #include <watchdog.h> | |
13 | ||
14 | #include <linux/usb/gadget.h> | |
15 | ||
16 | #include <asm/cache.h> | |
17 | #include <asm/scu.h> | |
18 | #include <asm/u-boot-x86.h> | |
19 | ||
20 | DECLARE_GLOBAL_DATA_PTR; | |
21 | ||
22 | static struct dwc3_device dwc3_device_data = { | |
23 | .maximum_speed = USB_SPEED_HIGH, | |
24 | .base = CONFIG_SYS_USB_OTG_BASE, | |
25 | .dr_mode = USB_DR_MODE_PERIPHERAL, | |
26 | .index = 0, | |
27 | }; | |
28 | ||
29 | int usb_gadget_handle_interrupts(int controller_index) | |
30 | { | |
31 | dwc3_uboot_handle_interrupt(controller_index); | |
32 | WATCHDOG_RESET(); | |
33 | return 0; | |
34 | } | |
35 | ||
36 | int board_usb_init(int index, enum usb_init_type init) | |
37 | { | |
38 | if (index == 0 && init == USB_INIT_DEVICE) | |
39 | return dwc3_uboot_init(&dwc3_device_data); | |
40 | return -EINVAL; | |
41 | } | |
42 | ||
43 | int board_usb_cleanup(int index, enum usb_init_type init) | |
44 | { | |
45 | if (index == 0 && init == USB_INIT_DEVICE) { | |
46 | dwc3_uboot_exit(index); | |
47 | return 0; | |
48 | } | |
49 | return -EINVAL; | |
50 | } | |
51 | ||
52 | static void assign_serial(void) | |
53 | { | |
54 | struct mmc *mmc = find_mmc_device(0); | |
55 | unsigned char ssn[16]; | |
56 | char usb0addr[18]; | |
57 | char serial[33]; | |
58 | int i; | |
59 | ||
60 | if (!mmc) | |
61 | return; | |
62 | ||
63 | md5((unsigned char *)mmc->cid, sizeof(mmc->cid), ssn); | |
64 | ||
65 | snprintf(usb0addr, sizeof(usb0addr), "02:00:86:%02x:%02x:%02x", | |
66 | ssn[13], ssn[14], ssn[15]); | |
382bee57 | 67 | env_set("usb0addr", usb0addr); |
495f3774 AS |
68 | |
69 | for (i = 0; i < 16; i++) | |
70 | snprintf(&serial[2 * i], 3, "%02x", ssn[i]); | |
382bee57 | 71 | env_set("serial#", serial); |
495f3774 AS |
72 | |
73 | #if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE) | |
01510091 | 74 | env_save(); |
495f3774 AS |
75 | #endif |
76 | } | |
77 | ||
78 | static void assign_hardware_id(void) | |
79 | { | |
80 | struct ipc_ifwi_version v; | |
81 | char hardware_id[4]; | |
82 | int ret; | |
83 | ||
84 | ret = scu_ipc_command(IPCMSG_GET_FW_REVISION, 1, NULL, 0, (u32 *)&v, 4); | |
85 | if (ret < 0) | |
86 | printf("Can't retrieve hardware revision\n"); | |
87 | ||
88 | snprintf(hardware_id, sizeof(hardware_id), "%02X", v.hardware_id); | |
382bee57 | 89 | env_set("hardware_id", hardware_id); |
495f3774 AS |
90 | |
91 | #if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE) | |
01510091 | 92 | env_save(); |
495f3774 AS |
93 | #endif |
94 | } | |
95 | ||
96 | int board_late_init(void) | |
97 | { | |
98 | if (!getenv("serial#")) | |
99 | assign_serial(); | |
100 | ||
101 | if (!getenv("hardware_id")) | |
102 | assign_hardware_id(); | |
103 | ||
104 | return 0; | |
105 | } |