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-rw-r--r--src/superio/nuvoton/nct5572d/superio.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/src/superio/nuvoton/nct5572d/superio.c b/src/superio/nuvoton/nct5572d/superio.c
index 6cafb039e6..8c80a3ef93 100644
--- a/src/superio/nuvoton/nct5572d/superio.c
+++ b/src/superio/nuvoton/nct5572d/superio.c
@@ -23,6 +23,7 @@
#include <pc80/keyboard.h>
#include <pc80/mc146818rtc.h>
#include <stdlib.h>
+#include <arch/acpi.h>
#include <superio/conf_mode.h>
#include "nct5572d.h"
@@ -38,6 +39,7 @@ static void nct5572d_init(struct device *dev)
{
uint8_t byte;
uint8_t power_status;
+ uint8_t mouse_detected;
if (!dev->enabled)
return;
@@ -45,7 +47,23 @@ static void nct5572d_init(struct device *dev)
switch(dev->path.pnp.device) {
/* TODO: Might potentially need code for HWM or FDC etc. */
case NCT5572D_KBC:
- pc_keyboard_init(NO_AUX_DEVICE);
+ /* Enable mouse controller */
+ pnp_enter_conf_mode_8787(dev);
+ byte = pnp_read_config(dev, 0x2a);
+ byte &= ~(0x1 << 1);
+ pnp_write_config(dev, 0x2a, byte);
+ pnp_exit_conf_mode_aa(dev);
+
+ mouse_detected = pc_keyboard_init(PROBE_AUX_DEVICE);
+
+ if (!mouse_detected && !acpi_is_wakeup_s3()) {
+ /* Disable mouse controller */
+ pnp_enter_conf_mode_8787(dev);
+ byte = pnp_read_config(dev, 0x2a);
+ byte |= 0x1 << 1;
+ pnp_write_config(dev, 0x2a, byte);
+ pnp_exit_conf_mode_aa(dev);
+ }
break;
case NCT5572D_ACPI:
/* Set power state after power fail */