mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-23 12:14:32 +08:00
1047b5340c
At present bootstd requires CONFIG_CMDLINE to operate. Add a new 'programmatic' boot which can be used when no command line is available. For now it does almost nothing, since most bootmeths require the command line. Signed-off-by: Simon Glass <sjg@chromium.org>
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright 2021 Google LLC
|
|
* Written by Simon Glass <sjg@chromium.org>
|
|
*/
|
|
|
|
#define LOG_CATEGORY UCLASS_BOOTSTD
|
|
|
|
#include <bootflow.h>
|
|
#include <bootstd.h>
|
|
#include <command.h>
|
|
#include <dm.h>
|
|
|
|
/*
|
|
* show_bootmeths() - List available bootmeths
|
|
*
|
|
* We could refactor this to use do_bootmeth_list() if more detail (or ordering)
|
|
* are needed
|
|
*/
|
|
static void show_bootmeths(void)
|
|
{
|
|
struct udevice *dev;
|
|
struct uclass *uc;
|
|
|
|
printf("Bootmeths: ");
|
|
uclass_id_foreach_dev(UCLASS_BOOTMETH, dev, uc)
|
|
printf(" %s", dev->name);
|
|
printf("\n");
|
|
}
|
|
|
|
int bootstd_prog_boot(void)
|
|
{
|
|
struct bootflow_iter iter;
|
|
struct bootflow bflow;
|
|
int ret, flags, i;
|
|
|
|
printf("Programmatic boot starting\n");
|
|
show_bootmeths();
|
|
flags = BOOTFLOWIF_HUNT | BOOTFLOWIF_SHOW | BOOTFLOWIF_SKIP_GLOBAL;
|
|
|
|
bootstd_clear_glob();
|
|
for (i = 0, ret = bootflow_scan_first(NULL, NULL, &iter, flags, &bflow);
|
|
i < 1000 && ret != -ENODEV;
|
|
i++, ret = bootflow_scan_next(&iter, &bflow)) {
|
|
if (!bflow.err)
|
|
bootflow_run_boot(&iter, &bflow);
|
|
bootflow_free(&bflow);
|
|
}
|
|
|
|
return -EFAULT;
|
|
}
|