diff options
Diffstat (limited to 'src/cpu/samsung')
| -rw-r--r-- | src/cpu/samsung/exynos5420/dmc_init_ddr3.c | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/src/cpu/samsung/exynos5420/dmc_init_ddr3.c b/src/cpu/samsung/exynos5420/dmc_init_ddr3.c index 6c774a04f5..e236e99022 100644 --- a/src/cpu/samsung/exynos5420/dmc_init_ddr3.c +++ b/src/cpu/samsung/exynos5420/dmc_init_ddr3.c @@ -323,67 +323,6 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, int interleave_size, int reset) writel(val, &drex1->directcmd); writel(val | (0x1 << DIRECT_CMD_CHIP_SHIFT), &drex1->directcmd); - /* Set Read DQ Calibration */ - val = (0x3 << DIRECT_CMD_BANK_SHIFT) | 0x4; - writel(val, &drex0->directcmd); - writel(val | (0x1 << DIRECT_CMD_CHIP_SHIFT), &drex0->directcmd); - writel(val, &drex1->directcmd); - writel(val | (0x1 << DIRECT_CMD_CHIP_SHIFT), &drex1->directcmd); - - - val = readl(&phy0_ctrl->phy_con1); - val |= READ_LEVELLING_DDR3; - writel(val, &phy0_ctrl->phy_con1); - val = readl(&phy1_ctrl->phy_con1); - val |= READ_LEVELLING_DDR3; - writel(val, &phy1_ctrl->phy_con1); - - val = readl(&phy0_ctrl->phy_con2); - val |= (RDLVL_EN | RDLVL_INCR_ADJ); - writel(val, &phy0_ctrl->phy_con2); - val = readl(&phy1_ctrl->phy_con2); - val |= (RDLVL_EN | RDLVL_INCR_ADJ); - writel(val, &phy1_ctrl->phy_con2); - - setbits_le32(&drex0->rdlvl_config, CTRL_RDLVL_DATA_ENABLE); - i = TIMEOUT; - while (((readl(&drex0->phystatus) & RDLVL_COMPLETE_CHO) != - RDLVL_COMPLETE_CHO) && (i > 0)) { - /* - * TODO(waihong): Comment on how long this take to - * timeout - */ - udelay(1); - i--; - } - if (!i) - return SETUP_ERR_RDLV_COMPLETE_TIMEOUT; - clrbits_le32(&drex0->rdlvl_config, CTRL_RDLVL_DATA_ENABLE); - - setbits_le32(&drex1->rdlvl_config, CTRL_RDLVL_DATA_ENABLE); - i = TIMEOUT; - while (((readl(&drex1->phystatus) & RDLVL_COMPLETE_CHO) != - RDLVL_COMPLETE_CHO) && (i > 0)) { - /* - * TODO(waihong): Comment on how long this take to - * timeout - */ - udelay(1); - i--; - } - if (!i) - return SETUP_ERR_RDLV_COMPLETE_TIMEOUT; - clrbits_le32(&drex1->rdlvl_config, CTRL_RDLVL_DATA_ENABLE); - - val = (0x3 << DIRECT_CMD_BANK_SHIFT); - writel(val, &drex0->directcmd); - writel(val | (0x1 << DIRECT_CMD_CHIP_SHIFT), &drex0->directcmd); - writel(val, &drex1->directcmd); - writel(val | (0x1 << DIRECT_CMD_CHIP_SHIFT), &drex1->directcmd); - - update_reset_dll(drex0, DDR_MODE_DDR3); - update_reset_dll(drex1, DDR_MODE_DDR3); - /* Common Settings for Leveling */ val = PHY_CON12_RESET_VAL; writel((val + nLockW_phy0), &phy0_ctrl->phy_con12); @@ -391,9 +330,6 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, int interleave_size, int reset) setbits_le32(&phy0_ctrl->phy_con2, DLL_DESKEW_EN); setbits_le32(&phy1_ctrl->phy_con2, DLL_DESKEW_EN); - - update_reset_dll(drex0, DDR_MODE_DDR3); - update_reset_dll(drex1, DDR_MODE_DDR3); } /* Send PALL command */ |