[coreboot-gerrit] New patch to review for coreboot: 7ca5f57 google/snow: enable clock gating to save power
David Hendricks (dhendrix@chromium.org)
gerrit at coreboot.org
Fri Apr 19 01:02:14 CEST 2013
David Hendricks (dhendrix at chromium.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/3110
-gerrit
commit 7ca5f576ae9174c0289a3f562db64361e8d93d7e
Author: David Hendricks <dhendrix at chromium.org>
Date: Thu Apr 18 13:49:57 2013 -0700
google/snow: enable clock gating to save power
This enables clock gating to save power on unused IPs.
Change-Id: I9ab2a2535ebb91bb4110390a6f055a67146bdbf9
Signed-off-by: David Hendricks <dhendrix at chromium.org>
---
src/mainboard/google/snow/ramstage.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/mainboard/google/snow/ramstage.c b/src/mainboard/google/snow/ramstage.c
index bacf3e9..fa8c70b 100644
--- a/src/mainboard/google/snow/ramstage.c
+++ b/src/mainboard/google/snow/ramstage.c
@@ -227,6 +227,9 @@ static void mainboard_init(device_t dev)
i2c_init(TPS69050_BUS, CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
i2c_init(7, CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+ /* Clock Gating all the unused IP's to save power */
+ clock_gate();
+
/* Disable USB3.0 PLL to save 250mW of power */
disable_usb30_pll();
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