mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
f89e8acbc8
DM is the modern default approach for the drivers in U-Boot. It also allows to configure code via Device Tree. Move Intel Edison to use DM_USB_GADGET and drop hard coded values. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
79 lines
1.5 KiB
C
79 lines
1.5 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 <env.h>
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#include <init.h>
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#include <mmc.h>
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#include <u-boot/md5.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 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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