u-boot/drivers/nvme/nvme-uclass.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2017 NXP Semiconductors
* Copyright (C) 2017 Bin Meng <bmeng.cn@gmail.com>
*/
#define LOG_CATEGORY UCLASS_NVME
#include <common.h>
#include <bootdev.h>
#include <dm.h>
#include <init.h>
#include <log.h>
#include <nvme.h>
static int nvme_bootdev_bind(struct udevice *dev)
{
struct bootdev_uc_plat *ucp = dev_get_uclass_plat(dev);
ucp->prio = BOOTDEVP_4_SCAN_FAST;
return 0;
}
static int nvme_bootdev_hunt(struct bootdev_hunter *info, bool show)
{
int ret;
/* init PCI first since this is often used to provide NVMe */
if (IS_ENABLED(CONFIG_PCI)) {
ret = pci_init();
if (ret)
log_warning("Failed to init PCI (%dE)\n", ret);
}
ret = nvme_scan_namespace();
if (ret)
return log_msg_ret("scan", ret);
return 0;
}
UCLASS_DRIVER(nvme) = {
.name = "nvme",
.id = UCLASS_NVME,
};
struct bootdev_ops nvme_bootdev_ops = {
};
static const struct udevice_id nvme_bootdev_ids[] = {
{ .compatible = "u-boot,bootdev-nvme" },
{ }
};
U_BOOT_DRIVER(nvme_bootdev) = {
.name = "nvme_bootdev",
.id = UCLASS_BOOTDEV,
.ops = &nvme_bootdev_ops,
.bind = nvme_bootdev_bind,
.of_match = nvme_bootdev_ids,
};
BOOTDEV_HUNTER(nvme_bootdev_hunter) = {
.prio = BOOTDEVP_4_SCAN_FAST,
.uclass = UCLASS_NVME,
.hunt = nvme_bootdev_hunt,
.drv = DM_DRIVER_REF(nvme_bootdev),
};