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mirror of https://xff.cz/git/u-boot/ synced 2025-11-01 19:05:51 +01:00

reboot-mode: read the boot mode from RTC memory

RTC devices could provide battery-backed memory that can be used for
storing the reboot mode magic value.

Add a new reboot-mode back-end that uses RTC to store the reboot-mode
magic value. The driver also supports both endianness modes.

Signed-off-by: Nandor Han <nandor.han@vaisala.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Nandor Han
2021-06-10 16:56:45 +03:00
committed by Tom Rini
parent f9db2f16cb
commit c74675bd90
8 changed files with 215 additions and 0 deletions

View File

@@ -67,6 +67,16 @@
mode-download = <0x03>;
};
reboot_mode1: reboot-mode@14 {
compatible = "reboot-mode-rtc";
rtc = <&rtc_0>;
reg = <0x30 4>;
u-boot,env-variable = "bootstatus";
big-endian;
mode-test = <0x21969147>;
mode-download = <0x51939147>;
};
audio: audio-codec {
compatible = "sandbox,audio-codec";
#sound-dai-cells = <1>;