[coreboot-gerrit] New patch to review for coreboot: 7ca5f57 google/snow: enable clock gating to save power

[David Hendricks]

David Hendricks ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/3110

-gerrit

commit 7ca5f576ae9174c0289a3f562db64361e8d93d7e
Author: David Hendricks 
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 
---
 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();