[PATCH 1/3] ram: rk3328: only do data traning for cs0

[Kever Yang]

No need to do twice data training for rk3328 ddr sdram, we re-use the
setting for both channel. And adjust the sdram_init properly for correct
init flow.

Signed-off-by: Kever Yang <kever.y...@rock-chips.com>
Signed-off-by: YouMin Chen <c...@rock-chips.com>
---

 drivers/ram/rockchip/sdram_rk3328.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/ram/rockchip/sdram_rk3328.c 
b/drivers/ram/rockchip/sdram_rk3328.c
index 69521cef69..8329f4a352 100644
--- a/drivers/ram/rockchip/sdram_rk3328.c
+++ b/drivers/ram/rockchip/sdram_rk3328.c
@@ -377,16 +377,12 @@ static int sdram_init(struct dram_info *dram,
                printf("data training error\n");
                return -1;
        }
-       if (data_training(dram, 1, sdram_params->base.dramtype) != 0) {
-               printf("data training error\n");
-               return -1;
-       }
 
        if (sdram_params->base.dramtype == DDR4)
                pctl_write_vrefdq(dram->pctl, 0x3, 5670,
                                  sdram_params->base.dramtype);
 
-       if (pre_init == 0) {
+       if (pre_init != 0) {
                rx_deskew_switch_adjust(dram);
                tx_deskew_switch_adjust(dram);
        }
@@ -482,7 +478,7 @@ static int sdram_init_detect(struct dram_info *dram,
        memcpy(&sdram_ch, &sdram_params->ch,
               sizeof(struct rk3328_sdram_channel));
 
-       sdram_init(dram, sdram_params, 1);
+       sdram_init(dram, sdram_params, 0);
        dram_detect_cap(dram, sdram_params, 0);
 
        /* modify bw, cs related timing */
@@ -495,7 +491,7 @@ static int sdram_init_detect(struct dram_info *dram,
                sdram_ch.noc_timings.ddrtiming.b.bwratio = 1;
 
        /* reinit sdram by real dram cap */
-       sdram_init(dram, sdram_params, 0);
+       sdram_init(dram, sdram_params, 1);
 
        /* redetect cs1 row */
        sdram_detect_cs1_row(cap_info, sdram_params->base.dramtype);
-- 
2.17.1