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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (c) 2017 Intel Corporation
- */
- #include <common.h>
- #include <env.h>
- #include <init.h>
- #include <mmc.h>
- #include <u-boot/md5.h>
- #include <asm/cache.h>
- #include <asm/pmu.h>
- #include <asm/scu.h>
- #include <asm/u-boot-x86.h>
- /* List of Intel Tangier LSSs */
- #define PMU_LSS_TANGIER_SDIO0_01 1
- int board_early_init_r(void)
- {
- pmu_turn_power(PMU_LSS_TANGIER_SDIO0_01, true);
- return 0;
- }
- 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]);
- env_set("usb0addr", usb0addr);
- for (i = 0; i < 16; i++)
- snprintf(&serial[2 * i], 3, "%02x", ssn[i]);
- env_set("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);
- env_set("hardware_id", hardware_id);
- #if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
- env_save();
- #endif
- }
- int board_late_init(void)
- {
- if (!env_get("serial#"))
- assign_serial();
- if (!env_get("hardware_id"))
- assign_hardware_id();
- return 0;
- }
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