diff options
| author | Werner Zeh <werner.zeh@siemens.com> | 2017-07-27 13:48:18 +0200 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2017-07-28 16:16:42 +0000 |
| commit | c38ab85cd44457a6dd522a81d6c14b075796c1b0 (patch) | |
| tree | bcfc79bb3464b7e9a4ef9844ec945b65c0ff7f32 /src/drivers | |
| parent | 909536a666d9f42b4e27e8ce93251d85ef9fcb74 (diff) | |
siemens/nc_fpga: Add support for lowest FAN speed to FAN controller
The functionality of the FAN controller is extended to provide a
lowest startup speed of the FAN. Add the parameter "fanmin" to
the fan_ctrl_t structure and initialize the value.
Change-Id: Ib2e093ed6f5fc29bbea879779eb4777eb371b937
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/20789
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/drivers')
| -rw-r--r-- | src/drivers/siemens/nc_fpga/nc_fpga.c | 3 | ||||
| -rw-r--r-- | src/drivers/siemens/nc_fpga/nc_fpga.h | 5 |
2 files changed, 5 insertions, 3 deletions
diff --git a/src/drivers/siemens/nc_fpga/nc_fpga.c b/src/drivers/siemens/nc_fpga/nc_fpga.c index ab44e2387b..61d9e0841e 100644 --- a/src/drivers/siemens/nc_fpga/nc_fpga.c +++ b/src/drivers/siemens/nc_fpga/nc_fpga.c @@ -1,7 +1,7 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2016 Siemens AG. + * Copyright (C) 2016-2017 Siemens AG. * * 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 @@ -73,6 +73,7 @@ static void init_fan_ctrl (void *base_adr) FPGA_SET_PARAM(FANKi, ctrl->ki); FPGA_SET_PARAM(FANKd, ctrl->kd); FPGA_SET_PARAM(FANMaxSpeed, ctrl->fanmax); + FPGA_SET_PARAM(FANStartSpeed, ctrl->fanmin); /* Set freeze and FAN configuration. */ if ((hwilib_get_field(FF_FanReq, &fan_req, 1) == 1) && (hwilib_get_field(FF_FreezeDis, &freeze_disable, 1) == 1)) { diff --git a/src/drivers/siemens/nc_fpga/nc_fpga.h b/src/drivers/siemens/nc_fpga/nc_fpga.h index 2cb020012b..7bf087b69a 100644 --- a/src/drivers/siemens/nc_fpga/nc_fpga.h +++ b/src/drivers/siemens/nc_fpga/nc_fpga.h @@ -1,7 +1,7 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2016 Siemens AG. + * Copyright (C) 2016-2017 Siemens AG. * * 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 @@ -60,7 +60,8 @@ typedef struct { uint16_t kp; uint16_t ki; uint16_t kd; - uint16_t res8[2]; + uint16_t fanmin; + uint16_t res8; uint16_t fanmax; uint16_t hystval; uint16_t hystthreshold; |