diff options
| author | Brad Griffis <bgriffis@ti.com> | 2019-04-29 09:59:32 +0530 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-05-05 08:48:50 -0400 |
| commit | 1dbd9a7b17da299af4675894b55e7ef8e0e18319 (patch) | |
| tree | 522ea4daf15f594b4dc3516a5ff7700928f9ea2c | |
| parent | 7b5774e4bd81a84fb93dcfaaa4ec474289d8f52d (diff) | |
| download | u-boot-1dbd9a7b17da299af4675894b55e7ef8e0e18319.tar.gz | |
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>
| -rw-r--r-- | arch/arm/mach-omap2/am33xx/ddr.c | 4 |
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 |