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| author | Lokesh Vutla <lokeshvutla@ti.com> | 2013-12-19 10:00:28 +0530 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-01-24 11:38:39 -0500 |
| commit | 0df8afdf107268198e706ce84b71820db3572936 (patch) | |
| tree | af80b03684ca2b07d768a3b8edd96174a3b84781 | |
| parent | e37e954eba3edb5015a0a02880d57517f57425d8 (diff) | |
| download | u-boot-imx-0df8afdf107268198e706ce84b71820db3572936.zip u-boot-imx-0df8afdf107268198e706ce84b71820db3572936.tar.gz u-boot-imx-0df8afdf107268198e706ce84b71820db3572936.tar.bz2 | |
ARM: AM43xx: Enable DDR dynamic IO power down for DDR3
This patch enables dynamically powering down the
IO receiver when not performing a read on DDR3 board.
This optimizes both active and standby power consumption.
This is derived from a patch that is done on AM335x[1]
[1] http://arago-project.org/git/projects/?p=u-boot-am33x.git;a=commit;h=6a9ee4bc72ece53fabf01825605fba3d71d5feb2
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
| -rw-r--r-- | board/ti/am43xx/board.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c index ed87cd9..4e6846a 100644 --- a/board/ti/am43xx/board.c +++ b/board/ti/am43xx/board.c @@ -188,7 +188,7 @@ const struct ctrl_ioregs ioregs_ddr3 = { .dt1ioctl = DDR3_DATA0_IOCTRL_VALUE, .dt2ioctrl = DDR3_DATA0_IOCTRL_VALUE, .dt3ioctrl = DDR3_DATA0_IOCTRL_VALUE, - .emif_sdram_config_ext = 0x0043, + .emif_sdram_config_ext = 0x0143, }; const struct emif_regs ddr3_emif_regs_400Mhz = { |