Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-09-21 07:01:57 +00:00
Code Issues Projects Releases Packages Wiki Activity

pcm051: Enable DDR PHY dynamic power down bit

Browse source 
This is done already for am335x in
59dcf970d1 and also applies for pcm051.

It powers down the IO receiver when not performing read which helps
reducing the overall power consuption in low power states
(suspend/standby).

Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
This commit is contained in:
Lars Poeschel 2013-04-03 04:37:52 +00:00 committed by Tom Rini
parent 76b09b8561
commit cecac32a06
1 changed files with 2 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
board/phytec/pcm051/board.c
View file

@ -104,7 +104,8 @@ static struct emif_regs ddr3_emif_reg_data = {
.sdram_tim2 = MT41J256M8HX15E_EMIF_TIM2,
.sdram_tim3 = MT41J256M8HX15E_EMIF_TIM3,
.zq_config = MT41J256M8HX15E_ZQ_CFG,
.emif_ddr_phy_ctlr_1 = MT41J256M8HX15E_EMIF_READ_LATENCY,
.emif_ddr_phy_ctlr_1 = MT41J256M8HX15E_EMIF_READ_LATENCY |
PHY_EN_DYN_PWRDN,
};
#endif