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#include <arch/io.h>
#include <stdlib.h>
#include <superio/ite/it8716f/it8716f.h>
static void write_index(uint16_t port_base, uint8_t reg, uint8_t value)
{
outb(reg, port_base);
outb(value, port_base + 1);
}
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, 0xd7},
/* set the correct sensor types 1,2 thermistor; 3 diode */
{ 0x51, 0x1c},
/* set the 'zero' voltage for diode type sensor 3 */
{ 0x5c, 0x80},
// { 0x56, 0xe5},
// { 0x57, 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 auto controlled by temp3 */
{ 0x16, 0x82},
/* fan3 auto controlled by temp3 */
{ 0x17, 0x82},
/* all fans enable, fan1 ctl smart */
{ 0x13, 0x77}
};
/*
* Called from superio.c
*/
void init_ec(uint16_t base)
{
int i;
for (i = 0; i < ARRAY_SIZE(sequence); i++) {
write_index(base, sequence[i].index, sequence[i].value);
}
}
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