mirror of
https://github.com/smaeul/u-boot.git
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3c2e531cb8
This does not relate to sandbox. Correct the name. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
103 lines
2.3 KiB
C
103 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Bootmethod for QEMU qfw
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*
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* Copyright 2023 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 <command.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 <env.h>
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#include <qfw.h>
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#include <dm.h>
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static int qfw_check(struct udevice *dev, struct bootflow_iter *iter)
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{
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const struct udevice *media = dev_get_parent(iter->dev);
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enum uclass_id id = device_get_uclass_id(media);
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log_debug("media=%s\n", media->name);
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if (id == UCLASS_QFW)
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return 0;
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return -ENOTSUPP;
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}
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static int qfw_read_bootflow(struct udevice *dev, struct bootflow *bflow)
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{
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struct udevice *qfw_dev = dev_get_parent(bflow->dev);
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ulong load, initrd;
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int ret;
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load = env_get_hex("kernel_addr_r", 0);
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initrd = env_get_hex("ramdisk_addr_r", 0);
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log_debug("setup kernel %s %lx %lx\n", qfw_dev->name, load, initrd);
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bflow->name = strdup("qfw");
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if (!bflow->name)
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return log_msg_ret("name", -ENOMEM);
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ret = qemu_fwcfg_setup_kernel(qfw_dev, load, initrd);
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log_debug("setup kernel result %d\n", ret);
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if (ret)
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return log_msg_ret("cmd", -EIO);
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bflow->state = BOOTFLOWST_READY;
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return 0;
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}
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static int qfw_read_file(struct udevice *dev, struct bootflow *bflow,
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const char *file_path, ulong addr, ulong *sizep)
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{
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return -ENOSYS;
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}
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static int qfw_boot(struct udevice *dev, struct bootflow *bflow)
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{
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int ret;
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ret = run_command("booti ${kernel_addr_r} ${ramdisk_addr_r}:${filesize} ${fdtcontroladdr}",
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0);
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if (ret) {
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ret = run_command("bootz ${kernel_addr_r} ${ramdisk_addr_r}:${filesize} "
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"${fdtcontroladdr}", 0);
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}
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return ret ? -EIO : 0;
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}
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static int qfw_bootmeth_bind(struct udevice *dev)
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{
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struct bootmeth_uc_plat *plat = dev_get_uclass_plat(dev);
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plat->desc = "QEMU boot using firmware interface";
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return 0;
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}
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static struct bootmeth_ops qfw_bootmeth_ops = {
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.check = qfw_check,
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.read_bootflow = qfw_read_bootflow,
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.read_file = qfw_read_file,
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.boot = qfw_boot,
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};
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static const struct udevice_id qfw_bootmeth_ids[] = {
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{ .compatible = "u-boot,qfw-extlinux" },
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{ }
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};
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U_BOOT_DRIVER(bootmeth_qfw) = {
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.name = "bootmeth_qfw",
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.id = UCLASS_BOOTMETH,
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.of_match = qfw_bootmeth_ids,
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.ops = &qfw_bootmeth_ops,
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.bind = qfw_bootmeth_bind,
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};
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