This patch enables automatic fan control on the gigabyte M57sli-s4
motherboard using the environmental controller of the IT8716 superio.
All fan outputs are controlled by the cpu temperature sensor for safety.
Signed-off-by: Ronald Hoogenboom <[EMAIL PROTECTED]>
Index: src/superio/ite/it8716f/superio.c
===================================================================
--- src/superio/ite/it8716f/superio.c (revision 3129)
+++ src/superio/ite/it8716f/superio.c (working copy)
@@ -50,6 +50,9 @@
pnp_write_config(dev, 0x02, 0x02);
}
+#ifdef HAVE_FANCTL
+extern void init_ec(uint16_t base);
+#else
static void pnp_write_index(uint16_t port_base, uint8_t reg, uint8_t value)
{
outb(reg, port_base);
@@ -62,9 +65,6 @@
return inb(port_base + 1);
}
-/* #ifdef HAVE_FANCTL
-extern void init_ec(uint16_t base);
-#else */
static void init_ec(uint16_t base)
{
uint8_t value;
@@ -80,8 +80,8 @@
printk_debug("FAN_CTL: reg = 0x%04x, writing value = 0x%02x\r\n",
base + 0x14, value | 0x87);
}
-//#endif
+#endif
static void it8716f_init(device_t dev)
{
struct superio_ite_it8716f_config *conf;
Index: src/mainboard/gigabyte/m57sli/fanctl.c
===================================================================
--- src/mainboard/gigabyte/m57sli/fanctl.c (revision 3129)
+++ src/mainboard/gigabyte/m57sli/fanctl.c (working copy)
@@ -9,38 +9,58 @@
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 sensors, 1-3 */
{ 0x5c, 0x80},
-// { 0x56, 0xe5},
-// { 0x57, 0xe5},
- { 0x59, 0xe5},
+ { 0x59, 0xec},
{ 0x5c, 0x00},
/* fan1 (controlled by temp3) control parameters */
/* fan off limit */
{ 0x60, 0xff},
/* fan start limit */
{ 0x61, 0x14},
- /* ???? */
-// { 0x62, 0x00},
/* start PWM */
{ 0x63, 0x27},
/* smooth and slope PWM */
{ 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, 0x75}
};
#define ARRAYSIZE(x) sizeof x/sizeof *x
--
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