diff options
| author | Michał Żygowski <michal.zygowski@3mdeb.com> | 2022-10-04 11:31:12 +0200 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-02-15 13:17:29 +0000 |
| commit | 23b79483554f0a5bbd5e7212a21c8d780a158d3d (patch) | |
| tree | 75425bb3ebd548cb18d7390e23704329589ecf87 /src/include | |
| parent | 53ee1bba7201f7eec249684b408f82caa4bec1aa (diff) | |
pc80/i8254: Add speaker beep function
Some platforms have an onboard speaker which could be used as an
indicator of successful boot or critical error, e.g. in die_notify
function. The function assumes that SPKR GPIO is properly configured
by the platform code.
Signed-off-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Change-Id: I8189b3462bb5140af352fa786db3a6a2a45076f2
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68100
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Krystian Hebel <krystian.hebel@3mdeb.com>
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/pc80/i8254.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/pc80/i8254.h b/src/include/pc80/i8254.h index a9c0baee4f..b1edf686df 100644 --- a/src/include/pc80/i8254.h +++ b/src/include/pc80/i8254.h @@ -43,5 +43,6 @@ void setup_i8254(void); unsigned long calibrate_tsc_with_pit(void); +void beep(unsigned int frequency_hz, unsigned int duration_msec); #endif /* PC80_I8254_H */ |