[coreboot-gerrit] New patch to review for coreboot: eac3413 samus: Minor fixes for P1.9 boards
Marc Jones (marc.jones@se-eng.com)
gerrit at coreboot.org
Sat Jan 3 00:22:18 CET 2015
Marc Jones (marc.jones at se-eng.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8048
-gerrit
commit eac3413f0cff28f25ec4550c08b800515a26981d
Author: Duncan Laurie <dlaurie at chromium.org>
Date: Tue Jun 10 10:05:03 2014 -0700
samus: Minor fixes for P1.9 boards
- Put SSD into reset on transition to S3/S5 to prevent leakage
- Fix GPIO number for wlan disable used in smihandler
- Enable generic hub driver in libpayload
- Fix comment in devicetree about S0ix
BUG=chrome-os-partner:28502
BRANCH=None
TEST=Build and boot on samus
Original-Change-Id: Idce566d0f22622d36697be54ab51cacb576c5d6d
Original-Signed-off-by: Duncan Laurie <dlaurie at chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/203185
Original-Reviewed-by: Aaron Durbin <adurbin at chromium.org>
(cherry picked from commit c0dd822babee3d766eff1735687d14e63380f702)
Signed-off-by: Marc Jones <marc.jones at se-eng.com>
Change-Id: Idc2da99fce817aaf893f031ffbb4ac4a2ade31b0
---
src/mainboard/google/samus/devicetree.cb | 2 +-
src/mainboard/google/samus/smihandler.c | 8 ++++++--
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/src/mainboard/google/samus/devicetree.cb b/src/mainboard/google/samus/devicetree.cb
index ce13a1d..95ab44b 100644
--- a/src/mainboard/google/samus/devicetree.cb
+++ b/src/mainboard/google/samus/devicetree.cb
@@ -52,7 +52,7 @@ chip soc/intel/broadwell
# Disable PCIe CLKOUT 1-5 and CLKOUT_XDP
register "icc_clock_disable" = "0x013b0000"
- # Enable S0ix
+ # Disable S0ix for now
register "s0ix_enable" = "0"
device cpu_cluster 0 on
diff --git a/src/mainboard/google/samus/smihandler.c b/src/mainboard/google/samus/smihandler.c
index b43b46a..932d606 100644
--- a/src/mainboard/google/samus/smihandler.c
+++ b/src/mainboard/google/samus/smihandler.c
@@ -32,8 +32,8 @@
#include <broadwell/smm.h>
#include "ec.h"
-/* GPIO46 controls the WLAN_DISABLE_L signal. */
-#define GPIO_WLAN_DISABLE_L 46
+#define GPIO_SSD_RESET_L 47
+#define GPIO_WLAN_DISABLE_L 42
#define GPIO_LTE_DISABLE_L 59
int mainboard_io_trap_handler(int smif)
@@ -103,6 +103,8 @@ void mainboard_smi_sleep(u8 slp_typ)
1, USB_CHARGE_MODE_DISABLED);
}
+ /* Put SSD in reset to prevent leak. */
+ set_gpio(GPIO_SSD_RESET_L, 0);
/* Prevent leak from standby rail to WLAN rail in S3. */
set_gpio(GPIO_WLAN_DISABLE_L, 0);
/* Disable LTE */
@@ -119,6 +121,8 @@ void mainboard_smi_sleep(u8 slp_typ)
1, USB_CHARGE_MODE_DISABLED);
}
+ /* Put SSD in reset to prevent leak. */
+ set_gpio(GPIO_SSD_RESET_L, 0);
/* Prevent leak from standby rail to WLAN rail in S5. */
set_gpio(GPIO_WLAN_DISABLE_L, 0);
/* Disable LTE */
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