[DistroKit] [PATCH] v8a: barebox: add missing defaultenv directory for MMC boot

[DistroKit] [PATCH] v8a: barebox: add missing defaultenv directory for MMC boot

[Johannes Zink]

MMC images generated by DistroKit for i.MX8M family of EVK boards did
not boot beyond bootloader shell without manual intervention, because
there was no environment compiled in telling barebox where to load the
kernel from. Add this missing environment, so we can boot directly to
userspace shell with DistroKit-generated i.MX8M SD-Card images.

Fixes: f1d8cd1 ("Add barebox for i.MX8M boards")
Co-developed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Johannes Zink <j.zink@pengutronix.de>
---
 .../barebox-imx8m-defaultenv/init/bootsource          | 11 +++++++++++
 .../nv/linux.bootargs.loglevel                        |  1 +
 2 files changed, 12 insertions(+)
 create mode 100644 configs/platform-v8a/barebox-imx8m-defaultenv/init/bootsource
 create mode 100644 configs/platform-v8a/barebox-imx8m-defaultenv/nv/linux.bootargs.loglevel

diff --git a/configs/platform-v8a/barebox-imx8m-defaultenv/init/bootsource b/configs/platform-v8a/barebox-imx8m-defaultenv/init/bootsource
new file mode 100644
index 0000000..0dfb309
--- /dev/null
+++ b/configs/platform-v8a/barebox-imx8m-defaultenv/init/bootsource
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+if [ -n "${nv.boot.default}" ]; then
+	exit
+fi
+
+
+if [ "$bootsource" = mmc ]; then
+	detect mmc$bootsource_instance
+	global.boot.default="mmc$bootsource_instance net"
+fi
diff --git a/configs/platform-v8a/barebox-imx8m-defaultenv/nv/linux.bootargs.loglevel b/configs/platform-v8a/barebox-imx8m-defaultenv/nv/linux.bootargs.loglevel
new file mode 100644
index 0000000..705752c
--- /dev/null
+++ b/configs/platform-v8a/barebox-imx8m-defaultenv/nv/linux.bootargs.loglevel
@@ -0,0 +1 @@
+loglevel=5 systemd.log_level=warning systemd.show_status=auto
-- 
2.30.2

Re: [DistroKit] [PATCH] v8a: barebox: add missing defaultenv directory for MMC boot

[Robert Schwebel]

On Wed, Jul 13, 2022 at 10:45:55AM +0200, Johannes Zink wrote:
> MMC images generated by DistroKit for i.MX8M family of EVK boards did
> not boot beyond bootloader shell without manual intervention, because
> there was no environment compiled in telling barebox where to load the
> kernel from. Add this missing environment, so we can boot directly to
> userspace shell with DistroKit-generated i.MX8M SD-Card images.
> 
> Fixes: f1d8cd1 ("Add barebox for i.MX8M boards")
> Co-developed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
> Signed-off-by: Johannes Zink <j.zink@pengutronix.de>
> ---
>  .../barebox-imx8m-defaultenv/init/bootsource          | 11 +++++++++++
>  .../nv/linux.bootargs.loglevel                        |  1 +
>  2 files changed, 12 insertions(+)
>  create mode 100644 configs/platform-v8a/barebox-imx8m-defaultenv/init/bootsource
>  create mode 100644 configs/platform-v8a/barebox-imx8m-defaultenv/nv/linux.bootargs.loglevel

Applied to next.

rsc
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