| /* |
| * Copyright (c) 2017 Intel Corporation |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| #include <common.h> |
| #include <dwc3-uboot.h> |
| #include <environment.h> |
| #include <mmc.h> |
| #include <u-boot/md5.h> |
| #include <usb.h> |
| #include <watchdog.h> |
| |
| #include <linux/usb/gadget.h> |
| |
| #include <asm/cache.h> |
| #include <asm/scu.h> |
| #include <asm/u-boot-x86.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| static struct dwc3_device dwc3_device_data = { |
| .maximum_speed = USB_SPEED_HIGH, |
| .base = CONFIG_SYS_USB_OTG_BASE, |
| .dr_mode = USB_DR_MODE_PERIPHERAL, |
| .index = 0, |
| }; |
| |
| int usb_gadget_handle_interrupts(int controller_index) |
| { |
| dwc3_uboot_handle_interrupt(controller_index); |
| WATCHDOG_RESET(); |
| return 0; |
| } |
| |
| int board_usb_init(int index, enum usb_init_type init) |
| { |
| if (index == 0 && init == USB_INIT_DEVICE) |
| return dwc3_uboot_init(&dwc3_device_data); |
| return -EINVAL; |
| } |
| |
| int board_usb_cleanup(int index, enum usb_init_type init) |
| { |
| if (index == 0 && init == USB_INIT_DEVICE) { |
| dwc3_uboot_exit(index); |
| return 0; |
| } |
| return -EINVAL; |
| } |
| |
| static void assign_serial(void) |
| { |
| struct mmc *mmc = find_mmc_device(0); |
| unsigned char ssn[16]; |
| char usb0addr[18]; |
| char serial[33]; |
| int i; |
| |
| if (!mmc) |
| return; |
| |
| md5((unsigned char *)mmc->cid, sizeof(mmc->cid), ssn); |
| |
| snprintf(usb0addr, sizeof(usb0addr), "02:00:86:%02x:%02x:%02x", |
| ssn[13], ssn[14], ssn[15]); |
| setenv("usb0addr", usb0addr); |
| |
| for (i = 0; i < 16; i++) |
| snprintf(&serial[2 * i], 3, "%02x", ssn[i]); |
| setenv("serial#", serial); |
| |
| #if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE) |
| env_save(); |
| #endif |
| } |
| |
| static void assign_hardware_id(void) |
| { |
| struct ipc_ifwi_version v; |
| char hardware_id[4]; |
| int ret; |
| |
| ret = scu_ipc_command(IPCMSG_GET_FW_REVISION, 1, NULL, 0, (u32 *)&v, 4); |
| if (ret < 0) |
| printf("Can't retrieve hardware revision\n"); |
| |
| snprintf(hardware_id, sizeof(hardware_id), "%02X", v.hardware_id); |
| setenv("hardware_id", hardware_id); |
| |
| #if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE) |
| env_save(); |
| #endif |
| } |
| |
| int board_late_init(void) |
| { |
| if (!getenv("serial#")) |
| assign_serial(); |
| |
| if (!getenv("hardware_id")) |
| assign_hardware_id(); |
| |
| return 0; |
| } |