diff options
| -rw-r--r-- | drivers/ram/rockchip/sdram_rk3399.c | 50 |
1 files changed, 38 insertions, 12 deletions
diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index 492b0975dd..e9c0fdf2d4 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -887,6 +887,7 @@ static int data_training(const struct chan_info *chan, u32 channel, u32 training_flag) { u32 *denali_phy = chan->publ->denali_phy; + int ret; /* PHY_927 PHY_PAD_DQS_DRIVE RPULL offset_22 */ setbits_le32(&denali_phy[927], (1 << 22)); @@ -907,24 +908,49 @@ static int data_training(const struct chan_info *chan, u32 channel, } /* ca training(LPDDR4,LPDDR3 support) */ - if ((training_flag & PI_CA_TRAINING) == PI_CA_TRAINING) - data_training_ca(chan, channel, params); + if ((training_flag & PI_CA_TRAINING) == PI_CA_TRAINING) { + ret = data_training_ca(chan, channel, params); + if (ret < 0) { + debug("%s: data training ca failed\n", __func__); + return ret; + } + } /* write leveling(LPDDR4,LPDDR3,DDR3 support) */ - if ((training_flag & PI_WRITE_LEVELING) == PI_WRITE_LEVELING) - data_training_wl(chan, channel, params); + if ((training_flag & PI_WRITE_LEVELING) == PI_WRITE_LEVELING) { + ret = data_training_wl(chan, channel, params); + if (ret < 0) { + debug("%s: data training wl failed\n", __func__); + return ret; + } + } /* read gate training(LPDDR4,LPDDR3,DDR3 support) */ - if ((training_flag & PI_READ_GATE_TRAINING) == PI_READ_GATE_TRAINING) - data_training_rg(chan, channel, params); + if ((training_flag & PI_READ_GATE_TRAINING) == PI_READ_GATE_TRAINING) { + ret = data_training_rg(chan, channel, params); + if (ret < 0) { + debug("%s: data training rg failed\n", __func__); + return ret; + } + } /* read leveling(LPDDR4,LPDDR3,DDR3 support) */ - if ((training_flag & PI_READ_LEVELING) == PI_READ_LEVELING) - data_training_rl(chan, channel, params); + if ((training_flag & PI_READ_LEVELING) == PI_READ_LEVELING) { + ret = data_training_rl(chan, channel, params); + if (ret < 0) { + debug("%s: data training rl failed\n", __func__); + return ret; + } + } /* wdq leveling(LPDDR4 support) */ - if ((training_flag & PI_WDQ_LEVELING) == PI_WDQ_LEVELING) - data_training_wdql(chan, channel, params); + if ((training_flag & PI_WDQ_LEVELING) == PI_WDQ_LEVELING) { + ret = data_training_wdql(chan, channel, params); + if (ret < 0) { + debug("%s: data training wdql failed\n", __func__); + return ret; + } + } /* PHY_927 PHY_PAD_DQS_DRIVE RPULL offset_22 */ clrbits_le32(&denali_phy[927], (1 << 22)); @@ -1062,7 +1088,7 @@ static int switch_to_phy_index1(struct dram_info *dram, clrsetbits_le32(&denali_phy[896], (0x3 << 8) | 1, 1 << 8); ret = data_training(&dram->chan[channel], channel, params, PI_FULL_TRAINING); - if (ret) { + if (ret < 0) { debug("index1 training failed\n"); return ret; } @@ -1108,7 +1134,7 @@ static int sdram_init(struct dram_info *dram, udelay(10); if (data_training(chan, channel, params, PI_FULL_TRAINING)) { - printf("SDRAM initialization failed, reset\n"); + printf("%s: data training failed\n", __func__); return -EIO; } |