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bootstd: Add a new pre-scan priority for bootdevs

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We need extensions to be set up before we start trying to boot any of the
bootdevs. Add a new priority before all the others for tht sort of thing.
Also add a 'none' option, so that the first one is not 0.

While we are here, comment enum bootdev_prio_t fully and expand the test
for the 'bootdev hunt' command.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2023-01-17 10:48:08 -07:00 • committed by Tom Rini
parent 79a7d4a61f
commit eacc261178
12 changed files with 84 additions and 44 deletions
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8
boot/bootdev-uclass.c
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@ -630,6 +630,7 @@ static int build_order(struct udevice *bootstd, struct udevice **order,
int bootdev_setup_iter_order(struct bootflow_iter *iter, struct udevice **devp)
{
struct udevice *bootstd, *dev = *devp, **order;
bool show = iter->flags & BOOTFLOWF_SHOW;
struct uclass *uc;
int count, upto;
int ret;
@ -640,6 +641,13 @@ int bootdev_setup_iter_order(struct bootflow_iter *iter, struct udevice **devp)
return log_msg_ret("std", ret);
}
/* hunt for any pre-scan devices */
if (iter->flags & BOOTFLOWF_HUNT) {
ret = bootdev_hunt_prio(BOOTDEVP_1_PRE_SCAN, show);
if (ret)
return log_msg_ret("pre", ret);
}
/* Handle scanning a single device */
if (dev) {
iter->flags |= BOOTFLOWF_SINGLE_DEV;