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Add fan control support to ITE IT8716F. 

Signed-off-by: Ward Vandewege <ward@gnu.org>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2620 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Ward Vandewege 2007-04-27 21:24:53 +00:00 committed by Stefan Reinauer
parent 0e08333349
commit 989de36703
1 changed files with 33 additions and 2 deletions
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35
src/superio/ite/it8716f/superio.c
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@ -23,6 +23,7 @@
#include <device/device.h>
#include <device/pnp.h>
#include <console/console.h>
#include <uart8250.h>
#include <pc80/keyboard.h>
#include "chip.h"
@ -49,6 +50,31 @@ static void pnp_exit_ext_func_mode(device_t dev)
pnp_write_config(dev, 0x02, 0x02);
}
static void pnp_write_index(unsigned long port_base, uint8_t reg, uint8_t value)
{
outb(reg, port_base);
outb(value, port_base + 1);
}
static uint8_t pnp_read_index(unsigned long port_base, uint8_t reg)
{
outb(reg, port_base);
return inb(port_base + 1);
}
static void init_ec(unsigned long base)
{
uint8_t value;
// Read out current value of FAN_CTL Control register (0x14)
value = pnp_read_index(base, 0x14);
printk_debug("FAN_CTL: reg = 0x%04x, read value = 0x%02x\r\n",base + 0x14, value);
// Set FAN_CTL Control register (0x14) polarity to High, and activate fans 1, 2 and 3
pnp_write_index(base, 0x14, value | 0x87);
printk_debug("FAN_CTL: reg = 0x%04x, writing value = 0x%02x\r\n",base + 0x14, value | 0x87);
}
static void it8716f_init(device_t dev)
{
struct superio_ite_it8716f_config *conf;
@ -60,7 +86,7 @@ static void it8716f_init(device_t dev)
conf = dev->chip_info;
/* TODO: FDC, PP, EC, KBCM, MIDI, GAME, IR. */
/* TODO: FDC, PP, KBCM, MIDI, GAME, IR. */
switch (dev->path.u.pnp.device) {
case IT8716F_SP1:
res0 = find_resource(dev, PNP_IDX_IO0);
@ -70,6 +96,11 @@ static void it8716f_init(device_t dev)
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com2);
break;
case IT8716F_EC:
res0 = find_resource(dev, PNP_IDX_IO0);
#define EC_INDEX_PORT 5
init_ec(res0->base + EC_INDEX_PORT);
break;
case IT8716F_KBCK:
res0 = find_resource(dev, PNP_IDX_IO0);
res1 = find_resource(dev, PNP_IDX_IO1);
@ -113,7 +144,7 @@ static struct pnp_info pnp_dev_info[] = {
{ &ops, IT8716F_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
{ &ops, IT8716F_SP2, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
{ &ops, IT8716F_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
{ &ops, IT8716F_EC, },
{ &ops, IT8716F_EC, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7f8, 0 }, { 0x7f8, 0x4}, },
{ &ops, IT8716F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7ff, 0 }, { 0x7ff, 0x4}, },
{ &ops, IT8716F_KBCM, PNP_IRQ0, },
// No 7 { 0,},