[coreboot-gerrit] Change in coreboot[master]: superio/ite/it8720f: fix power control init
Felix Held (Code Review)
gerrit at coreboot.org
Thu Jul 26 20:06:44 CEST 2018
Felix Held has uploaded this change for review. ( https://review.coreboot.org/27648
Change subject: superio/ite/it8720f: fix power control init
......................................................................
superio/ite/it8720f: fix power control init
Change-Id: I3c26a2837e451dbfd3cee82e9beedc0f4a90af03
Signed-off-by: Felix Held <felix-coreboot at felixheld.de>
---
M src/superio/ite/it8720f/it8720f.h
M src/superio/ite/it8720f/superio.c
2 files changed, 21 insertions(+), 7 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/48/27648/1
diff --git a/src/superio/ite/it8720f/it8720f.h b/src/superio/ite/it8720f/it8720f.h
index f8b7efb..093e895 100644
--- a/src/superio/ite/it8720f/it8720f.h
+++ b/src/superio/ite/it8720f/it8720f.h
@@ -30,4 +30,8 @@
#define IT8720F_GPIO 0x07 /* GPIO (including SPI flash interface) */
#define IT8720F_CIR 0x0a /* Consumer IR */
+/* Registers in LDNs */
+#define IT8720F_EC_PCR1 0xf2
+#define IT8720F_EC_PCR2 0xf4
+
#endif /* SUPERIO_ITE_IT8720F_H */
diff --git a/src/superio/ite/it8720f/superio.c b/src/superio/ite/it8720f/superio.c
index 142686e..b3e5222 100644
--- a/src/superio/ite/it8720f/superio.c
+++ b/src/superio/ite/it8720f/superio.c
@@ -33,17 +33,27 @@
static void power_control_init(struct device *dev)
{
int power_on = MAINBOARD_POWER_OFF;
- u8 addr, value;
+ u8 value;
get_option(&power_on, "power_on_after_fail");
- if (power_on == MAINBOARD_POWER_OFF)
- return;
+
pnp_enter_conf_mode(dev);
pnp_set_logical_device(dev);
- addr = power_on == MAINBOARD_POWER_KEEP ? 0xf2 : 0xf4;
- value = pnp_read_config(dev, addr);
- value |= BIT(5);
- pnp_write_config(dev, addr, value);
+
+ value = pnp_read_config(dev, IT8720F_EC_PCR1);
+ if (power_on == MAINBOARD_POWER_KEEP)
+ value |= (1<<5);
+ else
+ value &= ~(1<<5);
+ pnp_write_config(dev, IT8720F_EC_PCR1, value);
+
+ value = pnp_read_config(dev, IT8720F_EC_PCR2);
+ if (power_on == MAINBOARD_POWER_ON)
+ value |= (1<<5);
+ else
+ value &= ~(1<<5);
+ pnp_write_config(dev, IT8720F_EC_PCR2, value);
+
pnp_exit_conf_mode(dev);
}
--
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I3c26a2837e451dbfd3cee82e9beedc0f4a90af03
Gerrit-Change-Number: 27648
Gerrit-PatchSet: 1
Gerrit-Owner: Felix Held <felix-coreboot at felixheld.de>
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