Werner Zeh has uploaded this change for review. ( https://review.coreboot.org/20789
Change subject: siemens/nc_fpga: Add support for lowest FAN speed to FAN controller ......................................................................
siemens/nc_fpga: Add support for lowest FAN speed to FAN controller
The functionality of the FAN controller was extended to enable 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 --- M src/drivers/siemens/nc_fpga/nc_fpga.c M src/drivers/siemens/nc_fpga/nc_fpga.h 2 files changed, 5 insertions(+), 3 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/89/20789/1
diff --git a/src/drivers/siemens/nc_fpga/nc_fpga.c b/src/drivers/siemens/nc_fpga/nc_fpga.c index ab44e23..61d9e08 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 @@ 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 2cb0200..7bf087b 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 @@ 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;