diff options
Diffstat (limited to 'src/cpu/samsung')
| -rw-r--r-- | src/cpu/samsung/exynos5420/dmc_init_ddr3.c | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/src/cpu/samsung/exynos5420/dmc_init_ddr3.c b/src/cpu/samsung/exynos5420/dmc_init_ddr3.c index 0a4edc848b..6c774a04f5 100644 --- a/src/cpu/samsung/exynos5420/dmc_init_ddr3.c +++ b/src/cpu/samsung/exynos5420/dmc_init_ddr3.c @@ -264,10 +264,11 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, int interleave_size, int reset) nLockR |= nLockW_phy1; writel(nLockR, &phy1_ctrl->phy_con12); - writel(0x00030004, &drex0->directcmd); - writel(0x00130004, &drex0->directcmd); - writel(0x00030004, &drex1->directcmd); - writel(0x00130004, &drex1->directcmd); + 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); setbits_le32(&phy0_ctrl->phy_con2, RDLVL_GATE_EN); setbits_le32(&phy1_ctrl->phy_con2, RDLVL_GATE_EN); @@ -316,16 +317,19 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, int interleave_size, int reset) writel(0, &phy0_ctrl->phy_con14); writel(0, &phy1_ctrl->phy_con14); - writel(0x00030000, &drex0->directcmd); - writel(0x00130000, &drex0->directcmd); - writel(0x00030000, &drex1->directcmd); - writel(0x00130000, &drex1->directcmd); + 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); /* Set Read DQ Calibration */ - writel(0x00030004, &drex0->directcmd); - writel(0x00130004, &drex0->directcmd); - writel(0x00030004, &drex1->directcmd); - writel(0x00130004, &drex1->directcmd); + 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; @@ -371,10 +375,11 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, int interleave_size, int reset) return SETUP_ERR_RDLV_COMPLETE_TIMEOUT; clrbits_le32(&drex1->rdlvl_config, CTRL_RDLVL_DATA_ENABLE); - writel(0x00030000, &drex0->directcmd); - writel(0x00130000, &drex0->directcmd); - writel(0x00030000, &drex1->directcmd); - writel(0x00130000, &drex1->directcmd); + 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); |