diff options
| author | Jagan Teki | 2019-07-16 17:27:11 +0530 |
|---|---|---|
| committer | Kever Yang | 2019-07-20 23:59:44 +0800 |
| commit | 6cbd2426b34e7430b0733ab9a912d378c027b647 (patch) | |
| tree | 2774d9d1007de337b5608fa67628267e60024b9c | |
| parent | c716bf67f5eb54ed64538f7ce70b36da04c55352 (diff) | |
ram: rk3399: Move mode_sel assignment
mode_sel assignment is based on dram type.
In phy_io_config, already have vref setting based
on the dram type, so move this mode_sel assignment
on vref setting area.
No functionality change.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <Kever.yang@rock-chips.com>
| -rw-r--r-- | drivers/ram/rockchip/sdram_rk3399.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index 3f20aba939c..35de76adb3a 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -205,6 +205,7 @@ static int phy_io_config(const struct chan_info *chan, vref_value_dq = 0x1f; vref_mode_ac = 0x6; vref_value_ac = 0x1f; + mode_sel = 0x6; } else if (params->base.dramtype == LPDDR3) { if (params->base.odt == 1) { vref_mode_dq = 0x5; /* LPDDR3 ODT */ @@ -265,12 +266,14 @@ static int phy_io_config(const struct chan_info *chan, } vref_mode_ac = 0x2; vref_value_ac = 0x1f; + mode_sel = 0x0; } else if (params->base.dramtype == DDR3) { /* DDR3L */ vref_mode_dq = 0x1; vref_value_dq = 0x1f; vref_mode_ac = 0x1; vref_value_ac = 0x1f; + mode_sel = 0x1; } else { debug("Unknown DRAM type.\n"); return -EINVAL; @@ -292,15 +295,6 @@ static int phy_io_config(const struct chan_info *chan, /* PHY_915 PHY_PAD_VREF_CTRL_AC 12bits offset_16 */ clrsetbits_le32(&denali_phy[915], 0xfff << 16, reg_value << 16); - if (params->base.dramtype == LPDDR4) - mode_sel = 0x6; - else if (params->base.dramtype == LPDDR3) - mode_sel = 0x0; - else if (params->base.dramtype == DDR3) - mode_sel = 0x1; - else - return -EINVAL; - /* PHY_924 PHY_PAD_FDBK_DRIVE */ clrsetbits_le32(&denali_phy[924], 0x7 << 15, mode_sel << 15); /* PHY_926 PHY_PAD_DATA_DRIVE */ |