redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

memory: emif: setup LP settings on freq update 

Program the power management shadow register on freq update
Else the concept of threshold frequencies dont really matter
as the system always uses the performance mode timing for LP
which is programmed in at init time.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Ambresh K <ambresh@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Ambresh K 2013-03-16 11:46:42 +05:30 committed by Greg Kroah-Hartman
parent 0a5f19cf30
commit 9ea03dec38
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/memory/emif.c
View File

@ -819,6 +819,8 @@ static void setup_registers(struct emif_data *emif, struct emif_regs *regs)
writel(regs->sdram_tim2_shdw, base + EMIF_SDRAM_TIMING_2_SHDW);
writel(regs->phy_ctrl_1_shdw, base + EMIF_DDR_PHY_CTRL_1_SHDW);
writel(regs->pwr_mgmt_ctrl_shdw,
base + EMIF_POWER_MANAGEMENT_CTRL_SHDW);
/* Settings specific for EMIF4D5 */
if (emif->plat_data->ip_rev != EMIF_4D5)