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| author | Ambresh K <ambresh@ti.com> | 2013-03-16 11:46:42 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-25 13:18:12 -0700 |
| commit | 9ea03dec380208bfee015b25f253c2f58aba0071 (patch) | |
| tree | daae779fc72e6ab3157ae8191f63c738bb041ff9 /drivers/memory | |
| parent | 0a5f19cf303ea9cc9bf89a42960a69db4ea3c35b (diff) | |
| download | linux-exynos-9ea03dec380208bfee015b25f253c2f58aba0071.tar.gz linux-exynos-9ea03dec380208bfee015b25f253c2f58aba0071.tar.bz2 linux-exynos-9ea03dec380208bfee015b25f253c2f58aba0071.zip | |
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>
Diffstat (limited to 'drivers/memory')
| -rw-r--r-- | drivers/memory/emif.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/memory/emif.c b/drivers/memory/emif.c index 897c39a8db86..bda11ebb25cd 100644 --- a/drivers/memory/emif.c +++ b/drivers/memory/emif.c @@ -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) |