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https://source.denx.de/u-boot/u-boot.git
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a080b98981
Some boot methods don't act on a single bootdev but instead do their own thing. An example is EFI bootmgr which scan various devices using its own logic. Add a bootdev to handle this. Signed-off-by: Simon Glass <sjg@chromium.org>
67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Bootdevice for system, used for bootmeths not tied to any partition device
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*
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* Copyright 2021 Google LLC
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#define LOG_CATEGORY UCLASS_BOOTSTD
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#include <common.h>
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#include <bootdev.h>
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#include <bootflow.h>
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#include <bootmeth.h>
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#include <command.h>
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#include <distro.h>
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#include <dm.h>
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#include <log.h>
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#include <net.h>
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static int system_get_bootflow(struct udevice *dev, struct bootflow_iter *iter,
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struct bootflow *bflow)
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{
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int ret;
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/* Must be an bootstd device */
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ret = bootflow_iter_uses_system(iter);
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if (ret)
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return log_msg_ret("net", ret);
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ret = bootmeth_check(bflow->method, iter);
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if (ret)
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return log_msg_ret("check", ret);
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ret = bootmeth_read_bootflow(bflow->method, bflow);
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if (ret)
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return log_msg_ret("method", ret);
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return 0;
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}
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static int system_bootdev_bind(struct udevice *dev)
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{
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struct bootdev_uc_plat *ucp = dev_get_uclass_plat(dev);
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ucp->prio = BOOTDEVP_6_SYSTEM;
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return 0;
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}
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struct bootdev_ops system_bootdev_ops = {
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.get_bootflow = system_get_bootflow,
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};
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static const struct udevice_id system_bootdev_ids[] = {
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{ .compatible = "u-boot,bootdev-system" },
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{ }
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};
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U_BOOT_DRIVER(system_bootdev) = {
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.name = "system_bootdev",
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.id = UCLASS_BOOTDEV,
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.ops = &system_bootdev_ops,
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.bind = system_bootdev_bind,
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.of_match = system_bootdev_ids,
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};
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