diff options
Diffstat (limited to 'src/mainboard/kontron/986lcd-m/mainboard.c')
| -rw-r--r-- | src/mainboard/kontron/986lcd-m/mainboard.c | 161 |
1 files changed, 159 insertions, 2 deletions
diff --git a/src/mainboard/kontron/986lcd-m/mainboard.c b/src/mainboard/kontron/986lcd-m/mainboard.c index 4cc883efeb..9a2a5fdc5c 100644 --- a/src/mainboard/kontron/986lcd-m/mainboard.c +++ b/src/mainboard/kontron/986lcd-m/mainboard.c @@ -1,7 +1,7 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2007-2008 coresystems GmbH + * Copyright (C) 2007-2009 coresystems GmbH * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -19,10 +19,12 @@ * MA 02110-1301 USA */ - +#include <types.h> #include <device/device.h> #include <console/console.h> #include <boot/tables.h> +#include <pc80/mc146818rtc.h> +#include <arch/io.h> #include "chip.h" int add_northbridge_resources(struct lb_memory *mem); @@ -32,7 +34,162 @@ int add_mainboard_resources(struct lb_memory *mem) return add_northbridge_resources(mem); } +/* Hardware Monitor */ + +static u16 hwm_base = 0xa00; + +static void hwm_write(u8 reg, u8 value) +{ + outb(reg, hwm_base + 0x05); + outb(value, hwm_base + 0x06); +} + +static void hwm_bank(u8 bank) +{ + hwm_write(0x4e, bank); +} + +#define FAN_CRUISE_CONTROL_DISABLED 0 +#define FAN_CRUISE_CONTROL_SPEED 1 +#define FAN_CRUISE_CONTROL_THERMAL 2 + +#define FAN_SPEED_5625 0 +//#define FAN_TEMPERATURE_30DEGC 0 + +struct fan_speed { + u8 fan_in; + u16 fan_speed; +}; + +// FANIN Target Speed Register +// FANIN = 337500 / RPM +struct fan_speed fan_speeds[] = { + { 0x3c, 5625 }, { 0x41, 5192 }, { 0x47, 4753 }, { 0x4e, 4326 }, + { 0x56, 3924 }, { 0x5f, 3552 }, { 0x69, 3214 }, { 0x74, 2909 }, + { 0x80, 2636 }, { 0x8d, 2393 }, { 0x9b, 2177 }, { 0xaa, 1985 }, + { 0xba, 1814 }, { 0xcb, 1662 }, { 0xdd, 1527 }, { 0xf0, 1406 } +}; + +struct temperature { + u8 deg_celsius; + u8 deg_fahrenheit; +}; + +struct temperature temperatures[] = { + { 30, 86 }, { 33, 91 }, { 36, 96 }, { 39, 102 }, + { 42, 107 }, { 45, 113 }, { 48, 118 }, { 51, 123 }, + { 54, 129 }, { 57, 134 }, { 60, 140 }, { 63, 145 }, + { 66, 150 }, { 69, 156 }, { 72, 161 }, { 75, 167 } +}; + +static void hwm_setup(void) +{ + int cpufan_control = 0, sysfan_control = 0; + int cpufan_speed = 0, sysfan_speed = 0; + int cpufan_temperature = 0, sysfan_temperature = 0; + + if (get_option(&cpufan_control, "cpufan_cruise_control") < 0) + cpufan_control = FAN_CRUISE_CONTROL_DISABLED; + if (get_option(&cpufan_speed, "cpufan_speed") < 0) + cpufan_speed = FAN_SPEED_5625; + //if (get_option(&cpufan_temperature, "cpufan_temperature") < 0) + // cpufan_temperature = FAN_TEMPERATURE_30DEGC; + + if (get_option(&sysfan_control, "sysfan_cruise_control") < 0) + sysfan_control = FAN_CRUISE_CONTROL_DISABLED; + if (get_option(&sysfan_speed, "sysfan_speed") < 0) + sysfan_speed = FAN_SPEED_5625; + //if (get_option(&sysfan_temperature, "sysfan_temperature") < 0) + // sysfan_temperature = FAN_TEMPERATURE_30DEGC; + + // hwm_write(0x31, 0x20); // AVCC high limit + // hwm_write(0x34, 0x06); // VIN2 low limit + + hwm_bank(0); + hwm_write(0x59, 0x20); // Diode Selection + hwm_write(0x5d, 0x0f); // All Sensors Diode, not Thermistor + + hwm_bank(4); + hwm_write(0x54, 0xf1); // SYSTIN temperature offset + hwm_write(0x55, 0x19); // CPUTIN temperature offset + hwm_write(0x56, 0xfc); // AUXTIN temperature offset + + hwm_bank(0x80); // Default + + u8 fan_config = 0; + // 00 FANOUT is Manual Mode + // 01 FANOUT is Thermal Cruise Mode + // 10 FANOUT is Fan Speed Cruise Mode + switch (cpufan_control) { + case FAN_CRUISE_CONTROL_SPEED: fan_config |= (2 << 4); break; + case FAN_CRUISE_CONTROL_THERMAL: fan_config |= (1 << 4); break; + } + switch (sysfan_control) { + case FAN_CRUISE_CONTROL_SPEED: fan_config |= (2 << 2); break; + case FAN_CRUISE_CONTROL_THERMAL: fan_config |= (1 << 2); break; + } + // This register must be written first + hwm_write(0x04, fan_config); + + switch (cpufan_control) { + case FAN_CRUISE_CONTROL_SPEED: + printk_debug("Fan Cruise Control setting CPU fan to %d RPM\n", + fan_speeds[cpufan_speed].fan_speed); + hwm_write(0x06, fan_speeds[cpufan_speed].fan_in); // CPUFANIN target speed + break; + case FAN_CRUISE_CONTROL_THERMAL: + printk_debug("Fan Cruise Control setting CPU fan to activation at %d deg C/%d deg F\n", + temperatures[cpufan_temperature].deg_celsius, + temperatures[cpufan_temperature].deg_fahrenheit); + hwm_write(0x06, temperatures[cpufan_temperature].deg_celsius); // CPUFANIN target temperature + break; + } + + switch (sysfan_control) { + case FAN_CRUISE_CONTROL_SPEED: + printk_debug("Fan Cruise Control setting system fan to %d RPM\n", + fan_speeds[sysfan_speed].fan_speed); + hwm_write(0x05, fan_speeds[sysfan_speed].fan_in); // SYSFANIN target speed + break; + case FAN_CRUISE_CONTROL_THERMAL: + printk_debug("Fan Cruise Control setting system fan to activation at %d deg C/%d deg F\n", + temperatures[sysfan_temperature].deg_celsius, + temperatures[sysfan_temperature].deg_fahrenheit); + hwm_write(0x05, temperatures[sysfan_temperature].deg_celsius); // SYSFANIN target temperature + break; + } + + hwm_write(0x0e, 0x02); // Fan Output Step Down Time + hwm_write(0x0f, 0x02); // Fan Output Step Up Time + + hwm_write(0x47, 0xaf); // FAN divisor register + hwm_write(0x4b, 0x84); // AUXFANIN speed divisor + + hwm_write(0x40, 0x01); // Init, but no SMI# +} + +/* Audio Setup */ + +extern u32 * cim_verb_data; +extern u32 cim_verb_data_size; + +static void verb_setup(void) +{ + // Default VERB is fine on this mainboard. + cim_verb_data = NULL; + cim_verb_data_size = 0; +} + +// mainboard_enable is executed as first thing after +// enumerate_buses(). +static void mainboard_enable(device_t dev) +{ + verb_setup(); + hwm_setup(); +} + struct chip_operations mainboard_ops = { CHIP_NAME("Kontron 986LCD-M Mainboard") + .enable_dev = mainboard_enable, }; |