diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap-common/emif-common.c')
-rw-r--r-- | arch/arm/cpu/armv7/omap-common/emif-common.c | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/emif-common.c b/arch/arm/cpu/armv7/omap-common/emif-common.c index 6b33b45e7c..36738847b1 100644 --- a/arch/arm/cpu/armv7/omap-common/emif-common.c +++ b/arch/arm/cpu/armv7/omap-common/emif-common.c @@ -250,33 +250,39 @@ static void update_hwleveling_output(u32 base, const struct emif_regs *regs) { struct emif_reg_struct *emif = (struct emif_reg_struct *)base; u32 *emif_ext_phy_ctrl_reg, *emif_phy_status; - u32 reg, i; + u32 reg, i, phy; emif_phy_status = (u32 *)&emif->emif_ddr_phy_status[7]; + phy = readl(&emif->emif_ddr_phy_ctrl_1); /* Update PHY_REG_RDDQS_RATIO */ emif_ext_phy_ctrl_reg = (u32 *)&emif->emif_ddr_ext_phy_ctrl_7; - for (i = 0; i < PHY_RDDQS_RATIO_REGS; i++) { - reg = readl(emif_phy_status++); - writel(reg, emif_ext_phy_ctrl_reg++); - writel(reg, emif_ext_phy_ctrl_reg++); - } + if (!(phy & EMIF_DDR_PHY_CTRL_1_RDLVL_MASK_MASK)) + for (i = 0; i < PHY_RDDQS_RATIO_REGS; i++) { + reg = readl(emif_phy_status++); + writel(reg, emif_ext_phy_ctrl_reg++); + writel(reg, emif_ext_phy_ctrl_reg++); + } /* Update PHY_REG_FIFO_WE_SLAVE_RATIO */ emif_ext_phy_ctrl_reg = (u32 *)&emif->emif_ddr_ext_phy_ctrl_2; - for (i = 0; i < PHY_FIFO_WE_SLAVE_RATIO_REGS; i++) { - reg = readl(emif_phy_status++); - writel(reg, emif_ext_phy_ctrl_reg++); - writel(reg, emif_ext_phy_ctrl_reg++); - } + emif_phy_status = (u32 *)&emif->emif_ddr_phy_status[12]; + if (!(phy & EMIF_DDR_PHY_CTRL_1_RDLVLGATE_MASK_MASK)) + for (i = 0; i < PHY_FIFO_WE_SLAVE_RATIO_REGS; i++) { + reg = readl(emif_phy_status++); + writel(reg, emif_ext_phy_ctrl_reg++); + writel(reg, emif_ext_phy_ctrl_reg++); + } /* Update PHY_REG_WR_DQ/DQS_SLAVE_RATIO */ emif_ext_phy_ctrl_reg = (u32 *)&emif->emif_ddr_ext_phy_ctrl_12; - for (i = 0; i < PHY_REG_WR_DQ_SLAVE_RATIO_REGS; i++) { - reg = readl(emif_phy_status++); - writel(reg, emif_ext_phy_ctrl_reg++); - writel(reg, emif_ext_phy_ctrl_reg++); - } + emif_phy_status = (u32 *)&emif->emif_ddr_phy_status[17]; + if (!(phy & EMIF_DDR_PHY_CTRL_1_WRLVL_MASK_MASK)) + for (i = 0; i < PHY_REG_WR_DQ_SLAVE_RATIO_REGS; i++) { + reg = readl(emif_phy_status++); + writel(reg, emif_ext_phy_ctrl_reg++); + writel(reg, emif_ext_phy_ctrl_reg++); + } /* Disable Leveling */ writel(regs->emif_ddr_phy_ctlr_1, &emif->emif_ddr_phy_ctrl_1); |