diff options
| author | Ward Vandewege <ward@gnu.org> | 2007-04-27 21:24:53 +0000 |
|---|---|---|
| committer | Stefan Reinauer <stepan@openbios.org> | 2007-04-27 21:24:53 +0000 |
| commit | 989de36703684e3686de730b1a56e41eeca5d5d5 (patch) | |
| tree | cf2a87c904c63172d576be6493a924c01b5fe2cd /src | |
| parent | 0e08333349e01961a1019283ce03d02dae56e3a7 (diff) | |
| download | coreboot-989de36703684e3686de730b1a56e41eeca5d5d5.tar.xz | |
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
Diffstat (limited to 'src')
| -rw-r--r-- | src/superio/ite/it8716f/superio.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/src/superio/ite/it8716f/superio.c b/src/superio/ite/it8716f/superio.c index f8cdd42bef..33b6c4180d 100644 --- a/src/superio/ite/it8716f/superio.c +++ b/src/superio/ite/it8716f/superio.c @@ -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,}, |