diff options
| author | Ronald Hoogenboom <hoogenboom30@zonnet.nl> | 2008-06-22 14:33:17 +0000 |
|---|---|---|
| committer | Ward Vandewege <ward@gnu.org> | 2008-06-22 14:33:17 +0000 |
| commit | fb73fa1bcb3ac3579ad786911c09f05950c8b3a8 (patch) | |
| tree | 412e11d0159aaed5e3c132c2fb364b3074c343ad /src/mainboard/gigabyte/m57sli/fanctl.c | |
| parent | 14669ae023e9bb502866e9a49fb0577870dbda80 (diff) | |
Enable hardware fan control for m57sli.
Tested on v1 and v2 of the board.
Signed-off-by: Ronald Hoogenboom <hoogenboom30@zonnet.nl>
Signed-off-by: Ward Vandewege <ward@gnu.org>
Acked-by: Ronald Hoogenboom <hoogenboom30@zonnet.nl>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3381 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/gigabyte/m57sli/fanctl.c')
| -rw-r--r-- | src/mainboard/gigabyte/m57sli/fanctl.c | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/src/mainboard/gigabyte/m57sli/fanctl.c b/src/mainboard/gigabyte/m57sli/fanctl.c index 8b74014dbd..952392d9ef 100644 --- a/src/mainboard/gigabyte/m57sli/fanctl.c +++ b/src/mainboard/gigabyte/m57sli/fanctl.c @@ -9,16 +9,30 @@ static void write_index(uint16_t port_base, uint8_t reg, uint8_t value) static const struct { uint8_t index, value; } sequence[]= { + /* Make sure we can monitor, and enable SMI# interrupt output */ + { 0x00, 0x13}, + /* Disable fan interrupt status bits for SMI# */ + { 0x04, 0x37}, + /* Disable VIN interrupt status bits for SMI# */ + { 0x05, 0xff}, + /* Disable fan interrupt status bits for IRQ */ + { 0x07, 0x37}, + /* Disable VIN interrupt status bits for IRQ */ + { 0x08, 0xff}, + /* Disable external sensor interrupt */ + { 0x09, 0x87}, + /* Enable 16 bit counter divisors */ + { 0x0c, 0x07}, /* Set FAN_CTL control register (0x14) polarity to high, and activate fans 1, 2 and 3. */ - { 0x14, 0x87}, + { 0x14, 0xd7}, /* set the correct sensor types 1,2 thermistor; 3 diode */ { 0x51, 0x1c}, - /* set the 'zero' voltage for diode type sensor */ + /* set the 'zero' voltage for diode type sensor 3 */ { 0x5c, 0x80}, // { 0x56, 0xe5}, // { 0x57, 0xe5}, - { 0x59, 0xe5}, + { 0x59, 0xec}, { 0x5c, 0x00}, /* fan1 (controlled by temp3) control parameters */ /* fan off limit */ @@ -33,14 +47,24 @@ static const struct { { 0x64, 0x90}, /* direct-down and interval */ { 0x65, 0x03}, + /* temperature limit of fan stop for fan3 (automatic) */ + { 0x70, 0xff}, + /* temperature limit of fan start for fan3 (automatic) */ + { 0x71, 0x14}, + /* Set PWM start & slope for fan3 */ + { 0x73, 0x20}, + /* Initialize PWM automatic mode slope values for fan3 */ + { 0x74, 0x90}, + /* set smartguardian temperature interval for fan3 */ + { 0x75, 0x03}, /* fan1 auto controlled by temp3 */ { 0x15, 0x82}, - /* fan2 soft controlled, max speed */ - { 0x16, 0x7f}, - /* fan3 soft controlled, 75% speed */ - { 0x17, 0x60}, + /* fan2 auto controlled by temp3 */ + { 0x16, 0x82}, + /* fan3 auto controlled by temp3 */ + { 0x17, 0x82}, /* all fans enable, fan1 ctl smart */ - { 0x13, 0x71} + { 0x13, 0x77} }; #define ARRAYSIZE(x) sizeof x/sizeof *x |