diff options
Diffstat (limited to 'src/southbridge/amd/cimx/sb800/fan.h')
| -rw-r--r-- | src/southbridge/amd/cimx/sb800/fan.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/src/southbridge/amd/cimx/sb800/fan.h b/src/southbridge/amd/cimx/sb800/fan.h new file mode 100644 index 0000000000..a0fc04ee25 --- /dev/null +++ b/src/southbridge/amd/cimx/sb800/fan.h @@ -0,0 +1,152 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Sage Electronic Engineering, LLC + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _SB800_FAN_H_ +#define _SB800_FAN_H_ + +#ifndef __PRE_RAM__ +void init_sb800_IMC_fans(device_t dev); +void init_sb800_MANUAL_fans(device_t dev); +#endif + +/* Fan Register Definitions */ +#define FAN_0_OFFSET 0x00 +#define FAN_1_OFFSET 0x10 +#define FAN_2_OFFSET 0x20 +#define FAN_3_OFFSET 0x30 +#define FAN_4_OFFSET 0x40 + +#define FAN_INPUT_CONTROL_REG 0x00 +#define FAN_CONTROL_REG 0x01 +#define FAN_FREQUENCY_REG 0x02 +#define FAN_LOW_DUTY_REG 0x03 +#define FAN_MED_DUTY_REG 0x04 +#define FAN_MULTIPLIER_REG 0x05 +#define FAN_LOW_TEMP_LO_REG 0x06 +#define FAN_LOW_TEMP_HI_REG 0x07 +#define FAN_MED_TEMP_LO_REG 0x08 +#define FAN_MED_TEMP_HI_REG 0x09 +#define FAN_HIGH_TEMP_LO_REG 0x0A +#define FAN_HIGH_TEMP_HI_REG 0x0B +#define FAN_LINEAR_RANGE_REG 0x0C +#define FAN_LINEAR_HOLD_REG 0x0D + +/* FanXInputControl Definitions */ +#define FAN_INPUT_INTERNAL_DIODE 0 +#define FAN_INPUT_TEMP0 1 +#define FAN_INPUT_TEMP1 2 +#define FAN_INPUT_TEMP2 3 +#define FAN_INPUT_TEMP3 4 +#define FAN_INPUT_TEMP0_FILTER 5 +#define FAN_INPUT_ZERO 6 +#define FAN_INPUT_DISABLED 7 + +/* FanXControl Definitions */ +#define FAN_AUTOMODE (1 << 0) +#define FAN_LINEARMODE (1 << 1) +#define FAN_STEPMODE 0 /* ~(1 << 1) */ +#define FAN_POLARITY_HIGH (1 << 2) +#define FAN_POLARITY_LOW 0 /*~(1 << 2) */ + +/* FanXLowDuty Definitions */ +#define FAN_POLARITY_HIGH_MAX_SPEED 0xff +#define FAN_POLARITY_LOW_MAX_SPEED 0x00 + +/* FanXFreq Definitions */ +/* Typically, fans run at 25KHz */ +#define FREQ_28KHZ 0x0 +#define FREQ_25KHZ 0x1 +#define FREQ_23KHZ 0x2 +#define FREQ_21KHZ 0x3 +#define FREQ_29KHZ 0x4 +#define FREQ_18KHZ 0x5 +/* Any value > 05h and < F7: Freq = 1/(FreqDiv * 2048 * 15ns) */ +#define FREQ_100HZ 0xF7 +#define FREQ_87HZ 0xF8 +#define FREQ_58HZ 0xF9 +#define FREQ_44HZ 0xFA +#define FREQ_35HZ 0xFB +#define FREQ_29HZ 0xFC +#define FREQ_22HZ 0xFD +#define FREQ_14HZ 0xFE +#define FREQ_11HZ 0xFF + + +/* IMC Fan Control Definitions */ +#define IMC_MODE1_FAN_ENABLED ( 1 << 0 ) +#define IMC_MODE1_FAN_IMC_CONTROLLED ( 1 << 2 ) +#define IMC_MODE1_FAN_LINEAR_MODE ( 1 << 4 ) +#define IMC_MODE1_FAN_STEP_MODE 0 /* ~( 1 << 4 ) */ +#define IMC_MODE1_NO_FANOUT 0 /* ~( 7 << 5 ) */ +#define IMC_MODE1_FANOUT0 ( 1 << 5 ) +#define IMC_MODE1_FANOUT1 ( 2 << 5 ) +#define IMC_MODE1_FANOUT2 ( 3 << 5 ) +#define IMC_MODE1_FANOUT3 ( 4 << 5 ) +#define IMC_MODE1_FANOUT4 ( 5 << 5 ) + +#define IMC_MODE2_TEMPIN_NONE 0 /* ~( 7 << 0) */ +#define IMC_MODE2_TEMPIN_0 1 +#define IMC_MODE2_TEMPIN_1 2 +#define IMC_MODE2_TEMPIN_2 3 +#define IMC_MODE2_TEMPIN_3 4 +#define IMC_MODE2_INT_TEMPIN 5 +#define IMC_MODE2_TEMPIN_SB_TSI 6 +#define IMC_MODE2_TEMPIN_OTHER 7 +#define IMC_MODE2_FANIN_NONE 0 /* ~ (7 << 3) */ +#define IMC_MODE2_FANIN0 ( 1 << 3 ) +#define IMC_MODE2_FANIN1 ( 2 << 3 ) +#define IMC_MODE2_FANIN2 ( 3 << 3 ) +#define IMC_MODE2_FANIN3 ( 4 << 3 ) +#define IMC_MODE2_FANIN4 ( 5 << 3 ) +#define IMC_MODE2_TEMP_AVERAGING_ENABLED ( 1 << 6 ) +#define IMC_MODE2_TEMP_AVERAGING_DISABLED 0 /* ~( 1 << 6 ) */ + +#define IMC_TEMP_SENSOR_ON_SMBUS_0 0 +#define IMC_TEMP_SENSOR_ON_SMBUS_2 1 +#define IMC_TEMP_SENSOR_ON_SMBUS_3 2 +#define IMC_TEMP_SENSOR_ON_SMBUS_4 3 + +#define IMC_ZONE0 0 +#define IMC_ZONE1 1 +#define IMC_ZONE2 2 +#define IMC_ZONE3 3 +#define IMC_ZONE4 4 + +#define IMC_TEMPIN_TUNING_DEFAULT_MODE 0 +#define IMC_TEMPIN_TUNING_HIGH_CURRENT_RATIO 1 +#define IMC_TEMPIN_TUNING_HIGH_CURRENT 2 +#define IMC_TEMPIN_TUNING_DISABLE_FILTERING ( 1 << 2 ) + +/* IMCFUNSupportBitMap - Zone enable values */ +#define IMC_ENABLE_ZONE0 0x111 +#define IMC_ENABLE_ZONE1 0x222 +#define IMC_ENABLE_ZONE2 0x333 +#define IMC_ENABLE_ZONE3 0x444 +#define IMC_ENABLE_TEMPIN0 ( 1 << 12 ) +#define IMC_ENABLE_TEMPIN1 ( 1 << 13 ) +#define IMC_ENABLE_TEMPIN2 ( 1 << 14 ) +#define IMC_ENABLE_TEMPIN3 ( 1 << 15 ) + +/* Array size settings */ +#define IMC_FAN_THRESHOLD_COUNT 9 +#define IMC_FAN_SPEED_COUNT 8 +#define IMC_FAN_CONFIG_COUNT 8 +#define FAN_REGISTER_COUNT 15 + +#endif |