From: Nishanth Menon <nm@xxxxxx>
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@xxxxxx>
---
drivers/memory/emif.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/memory/emif.c b/drivers/memory/emif.c
index 8589aba..69a480d 100644
--- a/drivers/memory/emif.c
+++ b/drivers/memory/emif.c
@@ -815,6 +815,11 @@ 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);
+ if (emif->lpmode != EMIF_LP_MODE_DISABLE) {
+ writel(regs->pwr_mgmt_ctrl_shdw,
+ base + EMIF_POWER_MANAGEMENT_CTRL_SHDW);
+ }
+
/* Settings specific for EMIF4D5 */
if (emif->plat_data->ip_rev != EMIF_4D5)
return;
--
1.7.9.5
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