@@ -349,7 +349,7 @@ static int phy_io_config(const struct chan_info *chan,
u32 drv_value, odt_value;
u32 speed;
- /* vref setting */
+ /* vref setting & mode setting */
if (sdram_params->base.dramtype == LPDDR4) {
struct io_setting *io = lpddr4_get_io_settings(sdram_params,
mr5);
@@ -358,15 +358,18 @@ static int phy_io_config(const struct chan_info *chan,
if (rd_vref < 36700) {
/* MODE_LV[2:0] = LPDDR4 (Range 2)*/
vref_mode_dq = 0x7;
+ /* MODE[2:0]= LPDDR4 Range 2(0.4*VDDQ) */
+ mode_sel = 0x5;
vref_value_dq = (rd_vref - 3300) / 521;
} else {
/* MODE_LV[2:0] = LPDDR4 (Range 1)*/
vref_mode_dq = 0x6;
+ /* MODE[2:0]= LPDDR4 Range 1(0.33*VDDQ) */
+ mode_sel = 0x4;
vref_value_dq = (rd_vref - 15300) / 521;
}
vref_mode_ac = 0x6;
vref_value_ac = 0x1f;
- mode_sel = 0x6;
} else if (sdram_params->base.dramtype == LPDDR3) {
if (sdram_params->base.odt == 1) {
vref_mode_dq = 0x5; /* LPDDR3 ODT */