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authorBrad Griffis <bgriffis@ti.com>2019-04-29 09:59:32 +0530
committerTom Rini <trini@konsulko.com>2019-05-05 08:48:50 -0400
commit1dbd9a7b17da299af4675894b55e7ef8e0e18319 (patch)
tree522ea4daf15f594b4dc3516a5ff7700928f9ea2c /arch/arm/mach-omap2/am33xx/ddr.c
parent7b5774e4bd81a84fb93dcfaaa4ec474289d8f52d (diff)
arm: mach-omap2: am33xx: ddr: update value for ext_phy_ctrl_36
for suspend/resume robustness update value for ext_phy_ctrl_36 for suspend/resume robustness with hardware leveling enabled. Match recommended values from EMIF Tools app note: http://www.ti.com/lit/an/sprac70/sprac70.pdf Signed-off-by: Brad Griffis <bgriffis@ti.com> Signed-off-by: Keerthy <j-keerthy@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/am33xx/ddr.c')
-rw-r--r--arch/arm/mach-omap2/am33xx/ddr.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/am33xx/ddr.c b/arch/arm/mach-omap2/am33xx/ddr.c
index c70b6fe31b..3fd1d086ff 100644
--- a/arch/arm/mach-omap2/am33xx/ddr.c
+++ b/arch/arm/mach-omap2/am33xx/ddr.c
@@ -311,8 +311,8 @@ static void ext_phy_settings_hwlvl(const struct emif_regs *regs, int nr)
writel(0x00000000, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_34_shdw);
writel(0x00000000, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_35);
writel(0x00000000, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_35_shdw);
- writel(0x000000FF, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_36);
- writel(0x000000FF, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_36_shdw);
+ writel(0x00000077, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_36);
+ writel(0x00000077, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_36_shdw);
/*
* Sequence to ensure that the PHY is again in a known state after