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(parent: 0df8afd) | patch
ARM: AM335x: Enable DDR dynamic IO power down
authorSatyanarayana, Sandhya <sandhya.satyanarayana@ti.com>
Thu, 19 Dec 2013 04:30:29 +0000 (10:00 +0530)
committerTom Rini <trini@ti.com>
Fri, 24 Jan 2014 16:38:39 +0000 (11:38 -0500)
commite9b13ce0b6f58f9d1c9d2a4f3e2927b671503a9e
treeb4df7b423b02b5b6e26de096ad7921c2138f5c94tree | snapshot
parent0df8afdf107268198e706ce84b71820db3572936commit | diff
ARM: AM335x: Enable DDR dynamic IO power down

This patch enables dynamically powering down the
IO receiver when not performing a read on boards using DDR3.
This optimizes both active and standby power consumption.
This bit is not set on EVM SK and EVM 1.5 and later boards.
Setting the same.

This has been tested on PG2.0 EVM1.5, EVM1.2, EVM-SK, BBB.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Satyanarayana, Sandhya <sandhya.satyanarayana@ti.com>
arch/arm/include/asm/arch-am33xx/ddr_defs.h diff | blob | history
Broadcom-s U-Boot