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-rw-r--r--src/superio/ite/Makefile.mk3
-rw-r--r--src/superio/ite/common/early_serial.c8
-rw-r--r--src/superio/ite/common/ite.h7
3 files changed, 15 insertions, 3 deletions
diff --git a/src/superio/ite/Makefile.mk b/src/superio/ite/Makefile.mk
index b6d0199934..d44ade4e10 100644
--- a/src/superio/ite/Makefile.mk
+++ b/src/superio/ite/Makefile.mk
@@ -7,6 +7,9 @@ romstage-$(CONFIG_SUPERIO_ITE_COMMON_PRE_RAM) += common/early_serial.c
## include generic ite environment controller driver
ramstage-$(CONFIG_SUPERIO_ITE_ENV_CTRL) += common/env_ctrl.c
+## include generic ite driver to smm to control S3-relevant functions
+smm-$(CONFIG_SUPERIO_ITE_COMMON_PRE_RAM) += common/early_serial.c
+
subdirs-y += it8528e
subdirs-y += it8613e
subdirs-y += it8623e
diff --git a/src/superio/ite/common/early_serial.c b/src/superio/ite/common/early_serial.c
index 552f1104ba..b8a6ba558c 100644
--- a/src/superio/ite/common/early_serial.c
+++ b/src/superio/ite/common/early_serial.c
@@ -75,6 +75,7 @@ void ite_enable_serial(pnp_devfn_t dev, u16 iobase)
*
* LDN 7, reg 0x2a - needed for S3, or memory power will be cut off
* this was documented only in IT8712F_V0.9.2!
+ * Also documented in IT8728F_V0.4.2 and IT8772E_V0.4
*
* Enable 3VSBSW#. (For System Suspend-to-RAM)
* 0: 3VSBSW# will be always inactive.
@@ -85,13 +86,16 @@ void ite_enable_serial(pnp_devfn_t dev, u16 iobase)
* and pass: GPIO_DEV
*/
-void ite_enable_3vsbsw(pnp_devfn_t dev)
+void ite_set_3vsbsw(pnp_devfn_t dev, bool enable)
{
u8 tmp;
pnp_enter_conf_state(dev);
pnp_set_logical_device(dev);
tmp = pnp_read_config(dev, ITE_CONFIG_REG_MFC);
- tmp |= 0x80;
+ if (enable)
+ tmp |= 0x80;
+ else
+ tmp &= ~0x80;
pnp_write_config(dev, ITE_CONFIG_REG_MFC, tmp);
pnp_exit_conf_state(dev);
}
diff --git a/src/superio/ite/common/ite.h b/src/superio/ite/common/ite.h
index 19ade4b9b6..1a147bef65 100644
--- a/src/superio/ite/common/ite.h
+++ b/src/superio/ite/common/ite.h
@@ -4,6 +4,7 @@
#define SUPERIO_ITE_COMMON_PRE_RAM_H
#include <device/pnp_type.h>
+#include <stdbool.h>
#include <stdint.h>
#define ITE_UART_CLK_PREDIVIDE_48 0x00 /* default */
@@ -14,11 +15,15 @@ void ite_enable_serial(pnp_devfn_t dev, u16 iobase);
/* Some boards need to init wdt+gpio's very early */
void ite_reg_write(pnp_devfn_t dev, u8 reg, u8 value);
-void ite_enable_3vsbsw(pnp_devfn_t dev);
+void ite_set_3vsbsw(pnp_devfn_t dev, bool enable);
void ite_delay_pwrgd3(pnp_devfn_t dev);
void ite_kill_watchdog(pnp_devfn_t dev);
void ite_ac_resume_southbridge(pnp_devfn_t dev);
+/* Alias for backwards compatibility */
+static inline void ite_enable_3vsbsw(pnp_devfn_t dev) { ite_set_3vsbsw(dev, true); }
+static inline void ite_disable_3vsbsw(pnp_devfn_t dev) { ite_set_3vsbsw(dev, false); }
+
void pnp_enter_conf_state(pnp_devfn_t dev);
void pnp_exit_conf_state(pnp_devfn_t dev);