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authorVladimir Serbinenko <phcoder@gmail.com>2024-05-19 16:32:24 +0300
committerFelix Held <felix-coreboot@felixheld.de>2024-08-20 13:10:02 +0000
commit32d21ff3eb857352944a343546b3cbea546ed979 (patch)
tree0e7fa18928805a40f1a77cf80da97a6808925388 /src/superio/ite/it8728f/superio.c
parent36555afb965c71ee9dd3568956fd31400d46dece (diff)
superio/ite/it8728f: Support setting power state after power failure
This properly supports power_on_after_fail setting on affected mainboards. Tested on GA-H61M-S2PV Change-Id: I3dcc4f032bc5f629fb916c4122beb8dc096bab20 Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/82737 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/superio/ite/it8728f/superio.c')
-rw-r--r--src/superio/ite/it8728f/superio.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/superio/ite/it8728f/superio.c b/src/superio/ite/it8728f/superio.c
index 5e4c2fddb8..f3bdd85b49 100644
--- a/src/superio/ite/it8728f/superio.c
+++ b/src/superio/ite/it8728f/superio.c
@@ -5,14 +5,21 @@
#include <superio/conf_mode.h>
#include <pc80/keyboard.h>
#include <superio/ite/common/env_ctrl.h>
+#include <option.h>
#include "chip.h"
#include "it8728f.h"
+#define MAINBOARD_POWER_OFF 0
+#define MAINBOARD_POWER_ON 1
+#define MAINBOARD_POWER_KEEP 2
+
static void it8728f_init(struct device *dev)
{
const struct superio_ite_it8728f_config *conf = dev->chip_info;
const struct resource *res;
+ uint8_t power_status;
+ uint8_t byte_f2, byte_f4;
if (!dev->enabled)
return;
@@ -24,6 +31,28 @@ static void it8728f_init(struct device *dev)
if (!conf || !res)
break;
ite_ec_init(res->base, &conf->ec);
+
+ /* Set power state after power fail */
+ power_status = get_uint_option("power_on_after_fail",
+ CONFIG_MAINBOARD_POWER_FAILURE_STATE);
+ pnp_enter_conf_mode(dev);
+ pnp_set_logical_device(dev);
+ byte_f4 = pnp_read_config(dev, 0xf4);
+ byte_f2 = pnp_read_config(dev, 0xf2);
+ if (power_status == MAINBOARD_POWER_ON) {
+ byte_f4 |= 0x20;
+ } else if (power_status == MAINBOARD_POWER_KEEP) {
+ byte_f4 &= ~0x20;
+ byte_f2 |= 0x20;
+ } else {
+ byte_f4 &= ~0x20;
+ byte_f2 &= ~0x20;
+ }
+ pnp_write_config(dev, 0xf4, byte_f4);
+ pnp_write_config(dev, 0xf2, byte_f2);
+ pnp_exit_conf_mode(dev);
+ printk(BIOS_INFO, "set power %u after power fail\n", power_status);
+
break;
case IT8728F_KBCK:
set_kbc_ps2_mode();