diff options
Diffstat (limited to 'src/mainboard/lenovo/t400')
| -rw-r--r-- | src/mainboard/lenovo/t400/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/mainboard/lenovo/t400/blc.c | 38 |
2 files changed, 39 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/t400/Makefile.inc b/src/mainboard/lenovo/t400/Makefile.inc index 3aa94b59d2..8ac61bbb77 100644 --- a/src/mainboard/lenovo/t400/Makefile.inc +++ b/src/mainboard/lenovo/t400/Makefile.inc @@ -18,3 +18,4 @@ romstage-y += dock.c ramstage-y += dock.c ramstage-y += cstates.c romstage-y += hybrid_graphics.c +ramstage-y += blc.c diff --git a/src/mainboard/lenovo/t400/blc.c b/src/mainboard/lenovo/t400/blc.c new file mode 100644 index 0000000000..01f34c1c46 --- /dev/null +++ b/src/mainboard/lenovo/t400/blc.c @@ -0,0 +1,38 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2017 arthur@aheymans.xyz + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <stdint.h> +#include <commonlib/helpers.h> +#include <northbridge/intel/gm45/gm45.h> + +static const struct blc_pwm_t blc_entries[] = { + /* Vendor BIOS seems to intend to set PWM freq at 220Hz */ + /* T400 */ + {"B141EW04 V7 ", 110}, + {"LP141WX3-TLR1", 110}, + {"LP141WX5-TLP2", 450}, + {"LTN141AT12401", 450}, + {"LTN141W1-L05", 110}, + {"LTN141WD-L05", 110}, + /* T500 */ + {"LP154W02-TL06", 110}, + {"LTN154P3-L02", 110}, +}; + +int get_blc_values(const struct blc_pwm_t **entries) +{ + *entries = blc_entries; + return ARRAY_SIZE(blc_entries); +} |