113 lines
2.2 KiB
C
113 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2017 Intel Corporation
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*/
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#include <common.h>
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#include <dwc3-uboot.h>
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#include <env.h>
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#include <mmc.h>
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#include <u-boot/md5.h>
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#include <usb.h>
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#include <watchdog.h>
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#include <linux/usb/gadget.h>
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#include <asm/cache.h>
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#include <asm/pmu.h>
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#include <asm/scu.h>
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#include <asm/u-boot-x86.h>
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/* List of Intel Tangier LSSs */
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#define PMU_LSS_TANGIER_SDIO0_01 1
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int board_early_init_r(void)
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{
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pmu_turn_power(PMU_LSS_TANGIER_SDIO0_01, true);
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return 0;
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}
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static struct dwc3_device dwc3_device_data = {
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.maximum_speed = USB_SPEED_HIGH,
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.base = CONFIG_SYS_USB_OTG_BASE,
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.dr_mode = USB_DR_MODE_PERIPHERAL,
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.index = 0,
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};
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int usb_gadget_handle_interrupts(int controller_index)
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{
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dwc3_uboot_handle_interrupt(controller_index);
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WATCHDOG_RESET();
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return 0;
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}
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int board_usb_init(int index, enum usb_init_type init)
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{
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if (index == 0 && init == USB_INIT_DEVICE)
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return dwc3_uboot_init(&dwc3_device_data);
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return -EINVAL;
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}
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int board_usb_cleanup(int index, enum usb_init_type init)
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{
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if (index == 0 && init == USB_INIT_DEVICE) {
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dwc3_uboot_exit(index);
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return 0;
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}
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return -EINVAL;
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}
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static void assign_serial(void)
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{
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struct mmc *mmc = find_mmc_device(0);
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unsigned char ssn[16];
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char usb0addr[18];
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char serial[33];
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int i;
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if (!mmc)
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return;
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md5((unsigned char *)mmc->cid, sizeof(mmc->cid), ssn);
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snprintf(usb0addr, sizeof(usb0addr), "02:00:86:%02x:%02x:%02x",
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ssn[13], ssn[14], ssn[15]);
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env_set("usb0addr", usb0addr);
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for (i = 0; i < 16; i++)
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snprintf(&serial[2 * i], 3, "%02x", ssn[i]);
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env_set("serial#", serial);
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#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
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env_save();
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#endif
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}
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static void assign_hardware_id(void)
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{
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struct ipc_ifwi_version v;
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char hardware_id[4];
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int ret;
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ret = scu_ipc_command(IPCMSG_GET_FW_REVISION, 1, NULL, 0, (u32 *)&v, 4);
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if (ret < 0)
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printf("Can't retrieve hardware revision\n");
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snprintf(hardware_id, sizeof(hardware_id), "%02X", v.hardware_id);
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env_set("hardware_id", hardware_id);
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#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
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env_save();
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#endif
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}
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int board_late_init(void)
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{
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if (!env_get("serial#"))
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assign_serial();
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if (!env_get("hardware_id"))
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assign_hardware_id();
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return 0;
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}
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